1 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3 * gcse.c (dump_cuid_table): Correct typo.
5 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7 * toplev.c (display_help): Prepend '-m' to target specific
9 (check_lang_option): Ignore text after end of first word of a
10 language specific option.
12 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14 * reload1.c (reg_used_by_pseudo): New static variable.
15 (choose_reload_regs): Initialize it.
16 Use it instead of testing spill_reg_order to determine whether a
17 pseudo is live in a hard register across the current insn.
18 Fix a typo in a reference to reload_reg_rtx.
20 * flow.c (propagate_block): Replace code that computes and uses
21 regs_sometimes_live with simpler code that just walks the set of
22 currently live registers.
24 * Makefile.in (insn-extract.o): Fix dependencies.
25 * genextract.c (main): Generate includes for insn-config.h and
27 Delete generation of declarations which are now in recog.h.
28 * genrecog.c (main): Delete generation of definitions which are
30 * local-alloc.c (block_alloc): Use extract_insn and the variables
31 it sets up instead of looking up values by insn_code.
32 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
33 recog_dup_num): Define here instead of generating the definition in
35 (recog_n_operands, recog_n_dups, recog_n_alternatives,
36 recog_operand_mode, recog_constraints, recog_operand_address_p):
38 (extract_insn): New function.
39 * recog.h (extract_insn): Declare function.
40 (which_alternative, recog_n_operands, recog_n_dups,
41 recog_n_alternatives, recog_operand_mode, recog_constraints,
42 recog_operand_address_p): Declare variables.
43 * regclass.c (n_occurrences): New static function.
44 * reload.c (n_occurrences): Delete function.
45 (find_reloads): Use extract_insn.
46 * reload.h (n_occurrences): Delete declaration.
48 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
50 * reload1.c (reload_as_needed): Fix test for when to call
51 update_eliminable_offsets.
53 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
55 Fix consistency problems with reg_equiv_{mem,address};
56 Improve reload inheritance;
58 * reload.c (reload_out_reg): New variable.
59 (loc_mentioned_in_p, remove_address_replacements): New functions.
60 (remove_replacements): Deleted.
61 (push_reload): Set reload_out_reg[i].
62 When merging, also set reload_{in,out}_reg[i], and remove
63 duplicate address reloads.
64 (combine_reloads): Copy reload_out_reg[i].
65 (find_reloads): Do make_memloc substitution also when
66 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
68 Include *recog_operand_loc in commutativity operand changes.
69 Generate optional output reloads.
70 Delete reference to n_memlocs. Don't set *recog_operand_loc before
71 processing operands. Call make_memloc in reg_equiv_address code.
72 Set *recog_operand_loc only after processing operands, and only
73 if replace is true. Return a value.
74 When changing address reload types for operands that didn't get
75 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
76 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
77 Don't emit USEs for pseudo SUBREGs when not replacing.
78 (find_reloads_address): Do make_memloc substitution also when
79 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
81 (find_reloads_toplev): Likewise.
82 Call make_memloc in reg_equiv_address code.
83 (debug_reload_to_stream): Add code to output reload_out_reg.
84 (make_memloc): Delete local variable i, ifdefed out code, and
85 references to memlocs and n_memlocs.
86 (memlocs, n_memlocs): Delete.
87 (push_secondary_reload): Clear reload_out_reg.
88 (find_reloads_address_1): Provide memrefloc argument to all calls
89 to find_reloads_address.
90 In AUTO_INC code, handle non-directly addressable equivalences properly.
91 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
92 (find_reloads): Add return type.
93 (remove_address_replacements, deallocate_reload_reg): Declare.
94 * reload1.c (num_not_at_initial_offset): No longer static.
95 (delete_address_reloads, delete_address_reloads_1): Likewise.
96 (deallocate_reload_reg): New function.
97 (spill_reg_stored_to): New array.
98 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
99 (eliminate_regs_in_insn): Move assignments of previous_offset and
100 max_offset fields, and recalculation of num_not_at_initial_offset
101 into new static function:
102 (update_eliminable_offsets) .
103 (reload_as_needed): Call update_eliminable_offsetss after calling
105 Call forget_old_reloads_1 with contents of reloaded auto_inc
106 expressions if the actual addressing can't be changed to match the
108 (choose_reload_regs): For inheritance, replace
109 reload_reg_free_before_p test with reload_reg_used_at_all test, and
110 remove stand-alone reload_reg_used_at_all test.
111 Use reload_out_reg to determine which reload regs have output reloads.
112 Treat reload_override_in more similar to inherited reloads.
113 Handle (subreg (reg... for inheritance.
114 For flag_expensive_optimizations, add an extra pass to remove
115 unnecessary reloads from known working inheritance.
116 Delete obsolete code for pseudos replaced with MEMs.
117 Handle inheritance from auto_inc expressions.
118 (emit_reload_insns): If reload_in is a MEM, set OLD to
120 Don't reload directly from oldequiv; if it's a pseudo with a
121 stack slot, use reload_in[j].
122 Check that reload_in_reg[j] is a MEM before replacing reload_in
123 from reg_reloaded_contents.
124 Include non-spill registers in reload inheritance processing.
125 Also try to use reload_out_reg to set spill_reg_store /
127 In code to set new_spill_reg_store, use single_set to find out if
128 there is a single set.
129 Add code that allows to delete optional output reloads.
130 Add code to allow deletion of output reloads that use no spill reg.
131 At the end, set reload_override_in to oldequiv.
132 Also call delete_output_reload if reload_out_reg is equal to old
134 Add code to call delete_output_reload for stores with no matching load.
135 Set / use spill_reg_stored_to.
136 Handle case where secondary output reload uses a temporary, but
137 actual store isn't found.
138 When looking for a store of a value not loaded in order to call
139 delete_output_reload, count_occurences should return 0 for no
140 loads; but discount inherited input reloadill_reg_stored_to.
141 Do checks for extra uses of REG. Changed all
143 Use delete_address_reloads.
144 (reload): Take return value of find_reloads into account.
145 If a no-op set needs more than one reload, delete it.
146 (reload_reg_free_before_p): RELOAD_FOR_INPUT
147 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
148 for the same operand.
149 (clear_reload_reg_in_use): Check for other reloads that keep a
151 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
152 RELOAD_FOR_OPADDR_ADDR.
153 Take into account when an address address reload is only needed
154 for the address reload we are considering.
155 (count_occurrences): Use rtx_equal_p for MEMs.
156 (inc_for_reload): Return instruction that stores into RELOADREG.
157 New argument two, IN, and rtx. Changed all callers.
158 (calculate_needs_all_insns, reload_as_needed):
159 Don't clear after_call for a CLOBBER.
160 Keep track of how many hard registers need to be copied from
161 after_call, and don't clear after_call before we have seen
162 that much copies, or we see a different instruction.
164 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
166 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
167 after reload has completed.
169 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
171 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
172 a macro name and the next token with a single blank if that whitespace
173 is in a macro buffer and the next token is not '('.
175 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
177 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
179 (skip_if_group): Ditto.
180 (skip_to_end_of_comment): Ditto.
182 (discard_comments): Ditto.
183 (change_newlines): Ditto.
185 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
187 * c-lex.c (yylex): Fix unaligned access of wchar_t.
189 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
191 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
192 (TARGET_OPTIONS): Add --help documentation.
194 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
196 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
198 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
200 * fixinc/* Moved in from ../contrib directory in preparation
201 for integrating it into the normal build process. In particular,
202 fixinc/Makefile.in must be config-ed into the build directory
203 as fixinc/Makefile. Proposed patches to ./Makefile.in and
204 ./configure.in will be "in the mail" momentarily.
206 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
208 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
209 accidently walk into the free list. Comment how that can happen.
210 (invalidate): Fix indentation.
212 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
213 Jeffrey A Law (law@cygnus.com)
215 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
216 reload. Never perform rescans of the insn chain after reload.
217 (propagate_block): Do not delete insn or create new autoinc addressing
220 * jump.c (jump_optimize): Unconditionally use the code that was
221 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
222 * reload1.c (reload): When reloading is finished, delete all
223 REG_DEAD and REG_UNUSED notes.
224 (emit_reload_insns): Delete all code that was conditional on
225 PRESERVE_DEATH_INFO_REGNO_P.
226 (no_longer_dead_regs): Delete variable.
227 (reload_cse_delete_death_notes): Delete function.
228 (reload_cse_no_longer_dead): Delete function.
229 (reload_cse_regs_1): Delete all code to handle deletion of death
231 (reload_cse_noop_set_p): Likewise.
232 (reload_cse_simplify_set): Likewise.
233 (reload_cse_simplify_operands): Likewise.
234 (reload_cse_move2add): Likewise.
235 * reorg.c (used_spill_regs): Delete declaration.
236 (max_label_num_after_reload): Delete declaration.
237 (find_dead_or_set_registers): Don't assume that spill regs are
238 dead at a CODE_LABEL.
239 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
241 * sched.c (sched_analyze_insn): Likewise.
242 (update_flow_info): Likewise.
243 * haifa-sched.c (sched_analyze_insn): Likewise.
244 (update_flow_info): Likewise.
245 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
246 * toplev.c (max_label_num_after_reload): Delete variable.
247 (rest_of_compilation): Don't set max_label_num_after_reload.
248 Call life_analysis after reload_cse_regs if optimizing.
249 * config/gmicro/gmicro.h: Delete comment referring to
250 PRESERVE_DEATH_INFO_REGNO_P.
251 * config/i386/i386.h: Likewise.
252 * config/m88k/m88k.h: Likewise.
253 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
254 * config/sh/sh.h: Likewise.
256 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
258 * loop.c (strength_reduce): Restore marking bct_p as
260 * rs6000.c (optimization_options): Change #ifdef HAIFA to
261 HAVE_decrement_and_branch_on_count.
262 (small_data_operand): Remove TARGET_ELF condition for marking
263 parameters ATTRIBUTE_UNUSED.
265 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
267 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
268 (SELECT_SECTION): Resync with svr4.h.
270 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
272 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
275 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
277 * c-pragma.c (handle_pragma_token): Test for null tree before
278 dereferencing TREE_CODE.
280 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
282 * config/c4x/c4x.c: Convert to use GEN_INT.
283 (c4x_parallel_process): Rework to handle new repeat loop structure.
285 * config/c4x/c4x.md: Convert to use GEN_INT.
286 (rptb_end): Convert to use GE test. Replace uses with clobbers.
287 (decrement_and_branch_on_count): Likewise.
289 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
290 loop.c has the desired functionality.
291 (rc_reg_operand): New prototype.
293 * config/c4x/t-c4x: Can now build all front ends.
295 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
297 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
299 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
301 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
302 * config/t-rtems: Do not install assert.h -- use newlib's.
304 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
306 * combine.c (combine_instructions): When finished, call init_recog.
307 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
309 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
311 * toplev.c: If flag_syntax_only, don't open or write assembler file.
313 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
315 * cppalloc.c (memory_full): Mark function prototype with
318 * demangle.h (collect_exit): Likewise.
320 * fix-header.c (v_fatal, fatal): Likewise.
322 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
325 * gcov.c (print_usage): Likewise.
327 * genattr.c (fatal, fancy_abort): Likewise.
329 * genattrtab.c (fatal, fancy_abort): Likewise.
331 * gencodes.c (fatal, fancy_abort): Likewise.
333 * genconfig.c (fatal, fancy_abort): Likewise.
335 * genemit.c (fatal, fancy_abort): Likewise.
337 * genextract.c (fatal, fancy_abort): Likewise.
339 * genflags.c (fatal, fancy_abort): Likewise.
341 * genopinit.c (fatal, fancy_abort): Likewise.
343 * genoutput.c (fatal, fancy_abort): Likewise.
345 * genpeep.c (fatal, fancy_abort): Likewise.
347 * genrecog.c (fatal, fancy_abort): Likewise.
349 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
350 __sjpopnthrow, __throw): Likewise.
352 * objc/objc-act.c (objc_fatal): Likewise.
354 * protoize.c (usage, aux_info_corrupted,
355 declare_source_confusing): Likewise.
357 * rtl.c (dump_and_abort): Likewise.
359 * rtl.h (sets_cc0_p): Likewise.
361 * toplev.c (float_signal, pipe_closed): Likewise.
363 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
365 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
366 when generating the decision tree for the general case.
368 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
369 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
371 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * Makefile.in (sched.o): Depend on recog.h.
375 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
376 (unsigned) when comparing against one.
377 (find_base_value): Likewise.
378 (record_base_value): Cast variable `regno' to (unsigned) when
379 comparing against one. Cast the result of REGNO() macro to
380 (unsigned) when comparing against one.
381 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
383 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
384 variable where an unsigned index is needed.
386 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
387 before comparing against one.
389 * collect2.c: Add prototypes for functions `error', `fatal' and
390 `fatal_perror'. Make these functions take variable arguments
391 instead of faking it with a fixed number of args.
392 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
395 * combine.c (can_combine_p): Mark parameter `pred' with
397 (find_split_point): Cast variable `src' to (unsigned
398 HOST_WIDE_INT) when comparing against one.
399 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
400 (simplify_logical): Likewise.
401 (force_to_mode): Cast result of INTVAL() macro to (unsigned
402 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
403 HOST_WIDE_INT) in shift.
404 (simplify_and_const_int): Cast result of INTVAL() macro to
405 `unsigned HOST_WIDE_INT' when comparing against one.
406 (merge_outer_ops): Cast variable const0 to `unsigned
407 HOST_WIDE_INT' when comparing against the result of
408 GET_MODE_MASK() macro.
409 (simplify_comparison): Likewise for variable `c0'. Cast variable
410 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
411 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
412 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
413 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
414 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
415 comparing against one.
416 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
418 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
419 macro to `unsigned HOST_WIDE_INT' when comparing against one.
420 (output_block_move): Cast `sizeof' expression to (int) when
421 comparing against one.
422 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
424 (save_restore_insns): Cast `base_offset' to `long' to match format
425 specifier in fprintf.
427 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
428 to `enum machine_mode'.
430 * flow.c (life_analysis_1): Remove unused variable `insn'.
432 * gcc.c (translate_options): Move variables `j' and `k' into the
433 scope in which they are used. Change their types to `size_t'.
434 (set_spec): Cast the argument of ctype macro to `unsigned char'.
435 (read_specs): Likewise.
436 (process_command): Cast `sizeof' to (int) when comparing against one.
437 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
438 (handle_braces): Cast both sides of `==' expression to `long' to
439 ensure sign matching.
440 (main): Cast variable `i' to `int' when comparing against one.
442 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
443 int to size_t. Cast variable `i' to size_t when comparing against
446 * genattrtab.c (convert_set_attr_alternative): Remove unused
447 parameter `insn_code'. All callers changed.
448 (convert_set_attr): Likewise.
450 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
451 size_t when comparing against one. Likewise for variable `len'.
453 * global.c (global_alloc): Cast variable `max_regno' to size_t
454 when comparing against one. Likewise for variable `max_allocno'.
456 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
458 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
459 `set' with ATTRIBUTE_UNUSED.
460 (find_free_reg): Cast `sizeof' expression to (int) when comparing
463 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
464 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
465 (get_condition): Cast variable `const_val' to `unsigned
466 HOST_WIDE_INT' when comparing against one. Cast unsigned
467 expression to HOST_WIDE_INT when comparing against one.
468 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
469 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
470 `unsigned' when comparing against one.
472 * protoize.c (is_id_char): Change type of parameter `ch' to
474 (munge_compile_params): Cast argument of ctype macro to (const
476 (process_aux_info_file): Cast variable `aux_info_size' to int when
477 comparing against one.
478 (forward_to_next_token_char): Cast argument of ctype macro to
479 `const unsigned char'.
480 (edit_formals_lists): Likewise.
481 (find_rightmost_formals_list): Likewise.
482 (add_local_decl): Likewise.
483 (add_global_decls): Likewise.
484 (edit_fn_definition): Likewise.
485 (do_cleaning): Likewise.
486 (scan_for_missed_items): Likewise.
487 (edit_file): Cast variable `orig_size' to (int) when comparing
489 (main): Cast argument of ctype macro to `const unsigned char'.
491 * recog.c (const_int_operand): Mark parameter `mode' with
494 * regclass.c (record_reg_classes): Change type of variable `c' to
495 `unsigned char'. Cast `char' array index to `unsigned char'.
497 * reload.c (push_secondary_reload): Cast argument to
498 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
500 * reload1.c (calculate_needs): Cast `char' array index to
502 (set_label_offsets): Change type of variable `i' to unsigned int.
503 Cast result of XVECLEN() macro to unsigned when comparing against
505 (mark_not_eliminable): Change type of variable `i' to unsigned.
506 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
507 when comparing against one.
508 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
509 comparing against one.
510 (choose_reload_regs): Hide unused label `fail'.
511 (reload_cse_simplify_operands): Cast `char' array index to
513 (reload_combine_note_store): Mark parameter `set' with
514 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
516 (reload_cse_move2add): Remove unused variable `src2'.
518 * sched.c: Include recog.h.
519 (sched_note_set): Remove unused parameter `b'. All callers
521 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
522 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
523 when comparing against one.
525 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
526 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
527 comparing against one.
529 * unroll.c (precondition_loop_p): Remove unused parameter
530 `loop_end'. All callers changed.
532 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
534 * reload1.c (maybe_fix_stack_asms): New static function.
537 * reload.h (compute_use_by_pseudos): Declare.
539 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
540 (something_needs_reloads): Delete variable.
541 (finish_spills): New function.
542 (compute_use_by_pseudos): New function.
544 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
545 Use the reload_insn_chain instead of walking the rtl directly.
547 (reload): Allocate and free spilled_pseudos.
548 Ensure that all calls of spill_hard_reg are followed by a call to
550 Use the insns_need_reload list instead of something_needs_reloads
551 to find out if reload_as_needed must be called.
552 Clear unused_insn_chains at the end.
554 (calculate_needs_all_insns): Lose FIRST parameter. All callers
556 Delete code to keep track of current basic block.
557 Walk reload_insn_chain instead of the rtl structure. Build the
558 insns_need_reload chain.
559 Remember which insns need reloading/elimination by setting the
560 appropriate fields in struct insn_chain, not by putting modes on the
563 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
564 arg INSN. All callers changed.
565 Delete declaration of struct needs.
566 Don't set something_needs_reloads.
567 Record insn needs in the CHAIN argument.
569 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
571 (reload_as_needed): Lose FIRST arg. All callers changed.
572 Walk the reload_insn_chain instead of the rtx structure.
573 Delete code to keep track of current basic block.
574 Rename one of the NEXT variables to OLD_NEXT.
576 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
578 (choose_reload_regs): Likewise.
580 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
583 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
584 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
585 (hard_regs_live, hard_regs_need_restore): Delete variables.
586 (n_regs_saved): Now static.
587 (referenced_regs, this_insn_sets): New variables.
589 (setup_save_areas): Restructure the code a bit.
591 (restore_referenced_regs): Delete function.
592 (mark_referenced_regs): New function, similar to the old
593 restore_referenced_regs, but mark registers in referenced_regs.
595 (clear_reg_live): Delete function.
596 (mark_set_regs): Renamed from set_reg_live. All callers changed.
597 Only mark registers in this_insn_sets.
599 (save_call_clobbered_regs): Rework this function to walk the
600 reload_insn_chain instead of using the list of instructions directly.
601 Delete code to keep track of register lives, compute live regs on the
602 fly from information in the chain.
603 Instead of calling restore_referenced_regs, use mark_referenced_regs,
604 then walk the set it computes and call insert_restore as appropriate.
606 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
608 Restructure the code a bit. Test hard_regs_saved instead of
609 hard_regs_need_restore.
610 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
611 args. All callers changed.
612 Restructure the code a bit. Use TO_SAVE to determine which regs to
613 save instead of more complicated test.
614 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
616 Create a new insn_chain structure for the new insn and place it
619 * rtl.texi: Update documentation to reflect that reload no longer
620 puts modes on the insns.
622 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
624 * function.c (purge_addressof_1): Force the first argument of a
627 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
629 * rtl.h: Delete duplicate prototypes. Add some missing
631 * rtlanal.c: (for_each_rtx): Formatting tweak.
633 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
635 * real.c (emdnorm and etoasc): Disable round to even for c4x target
636 to be compatible with TI compiler.
638 * Makefile.in (USER_H): Add va-c4x.h to definition.
640 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
642 * function.c (purge_addressof_1): Fix typo in inequality: do
643 bitfield optimization for equal mode sizes.
644 * expmed.c (store_bit_field): Don't take subregs of subregs in
645 the movstrict case. Tidy a potential problem in the multi-word case.
646 (extract_bit_field): Likewise.
648 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
650 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
652 Compute max_uid_for_flow by calling get_max_uid after the scan.
653 (find_basic_blocks_1): Don't emit NOPs here.
655 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
657 * alias.c (base_alias_check): Accept new args for the modes of the
658 two references. Use them to determine if an AND can overlap. Update
660 (memrefs_conflict_p): Assume sizes are aligned, and uses them
661 to determine if an AND can overlap.
663 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
665 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
666 check. Add comment to document problems with TARGET_SUN_FPA version
668 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
670 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * Makefile.in (gencheck.o): Depend on gansidecl.h.
674 * c-common.c (print_char_table): Add missing initializers.
675 (scan_char_table): Likewise.
676 (time_char_table): Likewise.
678 * c-decl.c (c_decode_option): Mark parameter `argc' with
680 (declare_parm_level): Mark parameter `definition_flag' with
683 * c-lex.c (readescape): Use `(unsigned)1' in shift.
684 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
687 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
689 (emit_call_1): Mark parameters `fndecl' and `funtype' with
691 (expand_call): Cast result of MIN() to (unsigned int) when
692 comparing against an unsigned value.
694 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
696 (make_definition): Remove unused parameter `op'. All callers
698 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
699 comparing against the result of pointer arithmetic.
701 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
702 when comparing against one.
704 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
705 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
707 (output_die): Move variable `i' into the scope in which it is
708 used. Change its type to `unsigned'.
709 (output_die): Cast the result of `strlen' to (int) when passing it
710 to ASM_OUTPUT_ASCII().
711 (output_pubnames): Likewise.
712 (output_line_info): Likewise.
714 * emit-rtl.c (global_rtl): Add missing initializers.
716 * explow.c (promote_mode): Mark parameter `for_call' with
719 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
720 `unsigned HOST_WIDE_INT' when comparing against one.
721 (synth_mult): Change type of variable `cost' to int.
722 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
724 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
725 when comparing against one.
726 (get_inner_reference): Change variable `alignment' to unsigned.
727 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
728 int) when comparing against one.
729 (expand_builtin_setjmp): Change type of variable `i' to size_t.
731 * fold-const.c (div_and_round_double): Cast BASE to
732 (HOST_WIDE_INT) when comparing against one.
734 * gencheck.c: Include gansidecl.h.
735 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
737 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
738 `tcode' with ATTRIBUTE_UNUSED.
740 * real.c (edivm): Cast constant value to (unsigned long) in
741 expression compared against an unsigned value.
743 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
744 comparing against one.
745 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
746 when comparing against one.
748 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
749 (unsigned int) when comparing against one. Likewise for
751 (smallest_mode_for_size): Likewise.
752 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
753 (restore_storage_status): Likewise.
755 * toplev.c (debug_args): Add missing initializer.
756 (f_options): Spelling correction. Add missing initializers.
757 (documented_lang_options): Likewise.
758 (debug_end_source_file): Mark parameter `lineno' with
761 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
762 `decl' and `type' with ATTRIBUTE_UNUSED.
764 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
765 when comparing against one.
766 (assemble_variable): Mark parameter `top_level' with
768 (assemble_external_libcall): Mark parameter `fun' with
770 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
773 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
775 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
776 Replace use of r5 with use of r19.
778 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
780 * config/v850/v850.c (compute_register_save_size): Allow for the
781 fact that helper functions save all registers, not just those used
784 Replace constant 31 with macro LINK_POINTER_REGNUM.
786 * config/v850/v850.md: Use 'indirect_operand' rather than
787 'memory_operand' for bit test/set/clear patterns.
789 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
791 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
792 * varasm.c (assemble_start_function et al): Don't call
793 ASM_GLOBALIZE_LABEL for weak symbols.
795 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
797 * cse.c (equiv_constant): Check for NULL return from
798 gen_lowpart_if_possible().
800 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
802 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
804 * collect2.c (main): Pass -EL/-EB through to the compiler.
806 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
808 * expr.c (push_block): Handle targets where the stack grows
809 to higher addresses, but args grow to lower addresses and
810 ACCUMULATE_OUTGOING_ARGS is not defined.
812 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
814 * config/v850/v850.c (print_operand): Extend meaning
815 of 'c' operands to support .vtinherit.
817 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
819 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
820 Added ATTRIBUTE_UNUSED to unused function arguments.
821 (rc_reg_operand): New predicate.
822 (c4x_rptb_insert): New function.
823 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
824 (c4x_optimization_options): New function.
826 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
827 (decrement_and_branch_on_count): New pattern.
828 (rptb_top): Modified pattern to work with BCT optimization.
830 * config/c4x/c4x.h (RC_REG): New register class.
831 (rc_reg_operand): Define prototype.
832 (IS_RC_REG): New macro.
833 (IS_RC_OR_PSEUDO_REG): New macro.
834 (IS_RC_OR_PSEUDO_REGNO): New macro.
835 (OPTIMIZATION_OPTIONS): Define.
837 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
839 * collect2.c (extract_init_priority): No priority is 65535.
841 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
843 * Makefile.in (build_tooldir): new variable, same as old
844 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
845 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
846 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
848 * configure.in (gxx_include_dir): set default based on unlibsubdir
849 * Makefile.in (tooldir): ditto
850 (cccp.o, cpplib.o): use unlibsubdir implicitly through
851 gxx_include_dir, includedir and tooldir
852 (protoize.o, unprotoize.o): ditto
854 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
856 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
858 * config/arm/thumb.c (thumb_override_options): Add warning about
859 PIC code not being supported just yet.
861 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
863 * flow.c: Update comment.
864 (notice_stack_pointer_modification): New static function.
865 (record_volatile_insns): Use it.
866 (mark_regs_live_at_end): Mark the stack pointer as alive
867 at the end of the function if current_function_sp_is_unchanging
869 (life_analysis_1): Set current_function_sp_is_unchanging.
870 * function.c: Define it.
871 (init_function_start): Initialize it.
872 * output.h: Declare it.
873 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
874 the stack pointer as alive at the end of the function if
875 current_function_sp_is_unchanging is set.
876 * i386.c (ix86_epilogue): Optimize the restoring
877 of the stack pointer.
879 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
881 * version.c: Bump for snapshot.
883 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
885 * c-pragma.c (handle_pragma_token): If passed a token instead
886 of a tree, use that as the pack value.
888 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
890 * flow.c (find_basic_blocks_1): Fix prototype.
892 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
894 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
895 (struct tree_decl): New fields no_check_memory_usage.
896 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
897 (init_attributes): Register it as a new attribute.
898 (decl_attributes): Set flags on functions given that attribute.
899 * c-decl.c (duplicate_decls): Merge new attribute.
900 * expr.h (current_function_check_memory_usage): Declare new var.
901 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
902 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
903 current_function_check_memory_usage.
904 * function.h: Add field to struct function.
905 * function.c (current_function_check_memory_usage): Define it.
906 (push_function_context_to, pop_function_context_from): Save and
908 (expand_function_start): Set it, based on global flag and function
911 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
912 check non-automatic variables, to permit detection of writes to
913 read-only locations in embedded systems without memory management.
914 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
915 when emitting chkr_set_right_libfunc call, even if the argument is
916 BLKmode or variable-sized; don't abort.
918 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
919 symbols in Pmode, not VOIDmode.
921 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
923 * cppexp.c: When forcing unsigned comparisons, cast both sides
926 * cpphash.h: Move static declaration of hashtab[]...
927 * cpphash.c: ...here.
929 * cpplib.c: Cast difference of two pointers to size_t before
930 comparing it to size_t. Cast signed to unsigned
931 before comparing to size_t. (FIXME: struct argdata should use
932 unsigned buffer sizes.)
933 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
934 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
935 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
936 size_t before comparison.
938 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
940 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
941 (find_basic_blocks_1): Similarly.
942 * output.h (find_basic_blocks): Fix prototype.
943 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
944 find_basic_blocks anymore.
946 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
948 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
949 (sbitmap_free, sbitmap_vector_free): New macros.
950 * output.h (rtl_dump_file): Declare.
952 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
954 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
956 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
960 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
961 (divide): Remove unused variable `tmp'.
962 (si_to_float): Cast numeric constant to (SItype) before comparing
965 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
967 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
968 * gcc.c (add_preprocessor_option): Correct typo when allocating
969 memory, sizeof() argument had one too many `*'.
970 (add_assembler_option): Likewise.
971 (add_linker_option): Likewise.
972 * gcov.c (output_data): Likewise.
973 * local-alloc.c (memref_used_between_p): Likewise.
974 (update_equiv_regs): Likewise.
975 * loop.c (strength_reduce): Likewise.
976 * reg-stack.c (record_asm_reg_life): Likewise.
977 (subst_asm_stack_reg): Likewise.
978 * reorg.c (dbr_schedule): Likewise.
980 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
982 * flow.c (life_analysis_1): Break out some functions.
983 (find_basic_blocks_1): Likewise. Also move some variables out and
985 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
986 new static var nonlocal_label_list with it.
987 (active_eh_region, nested_eh_region, label_value_list,
988 nonlocal_label_list): New static variables.
989 (make_edges, delete_unreachable_blocks, delete_block): New static
990 functions, broken out of find_basic_blocks_1.
991 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
992 noop_move_p): New static functions, broken out of life_analysis_1.
994 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
996 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
997 Take extra care for op0 now possibly being a subreg.
998 (extract_bit_field): Likewise.
999 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1000 the reg to memory if there is no equal sized integral mode.
1001 * stor-layout.c (int_mode_for_mode): New function.
1002 * machmode.h: Prototype it.
1004 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1006 * global.c (build_insn_chain): Verify no real insns exist past the
1007 end of the last basic block, then exit the loop.
1009 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1011 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1013 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1015 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1017 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1019 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1021 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1023 * flow.c (find_basic_blocks): Correctly determine when a call
1024 is within an exception region.
1026 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1028 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1030 * cpplib.h: Protect from multiple inclusions.
1031 * cpplib.c: Fix minor formatting problems.
1033 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1035 * jump.c (jump_optimize): Revert accidental patch.
1037 * Makefile.in (cpplib.o): Use unlibsubdir.
1039 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1041 * loop.c (get_condition): Allow combine when either compare is
1044 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1046 * version.c: Bump for snapshot.
1048 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1050 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1051 (init_lex): Initialize ridpointers[RID_BYREF].
1052 * c-lex.h (enum rid): Add RID_BYREF.
1053 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1054 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1055 (encode_type_qualifiers): Similarly
1056 * c-gperf.h: Rebuilt.
1058 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1060 * c-common.c (type_for_mode): Only return TItype nodes when
1061 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1062 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1063 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1064 (init_decl_processing): Only create TItype nodes when
1065 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1066 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1067 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1069 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1071 * stmt.c (n_occurrences): New static function.
1072 (expand_asm_operands): Verify that all constrains match in the
1073 number of alternatives.
1074 Verify that '+' or '=' are at the beginning of an output constraint.
1075 Don't allow '&' for input operands.
1076 Verify that '%' isn't written for the last operand.
1077 * reload.c (find_reloads): Abort if an asm is found with invalid
1078 constraints; all possible problems ought to be checked for earlier.
1080 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1082 * flags.h (flag_branch_on_count_reg): Always declare
1083 * toplev.c (flag_branch_on_count_reg): Likewise.
1084 * toplev.c: Fix typos.
1086 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1089 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1091 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1093 (find_basic_blocks_1): Add a nop to the end of a basic block when
1094 a trailing call insn does not have abnormal control flow.
1095 * gcse.c (pre_transpout): New variable.
1096 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1097 (compute_pre_transpout): Calculate it.
1098 (compute_pre_ppinout): Use it to eliminate impossible placements
1099 due to abnormal control flow through calls.
1100 (compute_pre_data): Call compute_pre_transpout.
1102 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1104 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1106 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1108 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1109 and matching define_insns): Tack on a `use' of the table label, so
1110 flow analysis will recognize a tablejump.
1112 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1114 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1115 always end basic blocks for abnormal edge reasons.
1117 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1119 * config/i386/i386.h: Remove definition of
1120 HANDLE_PRAGMA_PACK_PUSH_POP.
1122 * config/i386/go32.h: Add definition of
1123 HANDLE_PRAGMA_PACK_PUSH_POP.
1125 * config/i386/win32.h: Add definition of
1126 HANDLE_PRAGMA_PACK_PUSH_POP.
1128 * config/i386/cygwin32.h: Add definition of
1129 HANDLE_PRAGMA_PACK_PUSH_POP.
1131 * c-pragma.c (insert_pack_attributes): Do not insert
1132 attributes unless #pragma pack(push,<n>) is in effect.
1134 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1136 * expr.c (emit_group_store): Handle a PARALLEL destination.
1138 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1140 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1141 the new insns before the argument regs are loaded.
1143 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1145 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1146 (c-parse.gperf): Update comments describing invocation flags.
1147 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1149 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1151 * reload1.c (reload): Call free before clobbering the memory
1152 locations or constants pointers.
1154 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1156 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1157 for efficiency by checking whether we need to modify the current
1158 stack permission at all.
1159 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1160 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1161 __enable_execute_stack libcall here too if
1162 TRANSFER_FROM_TRAMPOLINE is defined.
1163 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1166 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1168 * Makefile.in (DRIVER_DEFINES): Remove last change.
1170 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1172 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1173 insns we're going to copy.
1174 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1176 * loop.c (count_one_set): Add prototype.
1178 * caller-save.c (restore_referenced_regs): Lose mode argument.
1179 (insert_save): Lose mode argument.
1180 (insert_restore): Lose mode argument.
1181 (insert_one_insn): Lose mode argument.
1182 (save_call_clobbered_regs): Lose mode argument.
1183 (setup_save_areas): Take no argument and return void. All callers
1185 Don't verify validity of memory addresses.
1186 * reload.h (setup_save_ares): Adjust prototype.
1187 (save_call_clobbered_regs): Likewise.
1188 * reload1.c (delete_caller_save_insns): New function.
1189 (caller_save_spill_class): Delete variable.
1190 (caller_save_group_size): Delete variable.
1191 (reload): Call setup_save_areas and save_call_clobbered_regs
1192 in the main loop, before calling calculate_needs_all_insns.
1193 Don't call save_call_clobbered_regs after the loop.
1194 Call delete_caller_save_insns at the end of an iteration if
1196 Delete code to manage caller_save_spill_class.
1197 Emit the final note before setting reload_first_uid.
1198 Simplify test that determines whether reload_as_needed gets run.
1199 (calculate_needs): Delete code to manage caller_save_spill_class.
1201 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1203 * collect2.c (main): Initialize ld_file_name.
1205 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1207 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1208 check for flag_function_sections.
1210 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1212 * cse.c (insert_regs): Fix bug in Sep 24 change.
1214 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1216 * flags.h (flag_dump_unnumbered): Declare.
1217 * toplev.c (flag_dump_unnumbered): Don't declare.
1218 * print-rtl.c (flags.h): Include.
1219 (print_rtl_single): Add return value.
1220 * rtl.h (print_rtl_single): Update declaration.
1221 * flow.c (flag_dump_unnumbered): Don't declare.
1222 (print_rtl_with_bb): Use return value of print_rtl_single.
1224 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1226 * loop.c (count_one_set): New static function, broken out of
1228 (count_loop_regs_set): Call it.
1229 * global.c (mark_reg_store): Handle clobbers here by not calling
1231 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1232 is in fact a clobber.
1233 * integrate.c (process_reg_param): New function, broken out of
1234 expand_inline_function.
1235 (expand_inline_function): Call it.
1238 * i386.md (addsidi3_1): Delete unused variable temp.
1239 (addsidi3_2): Likewise.
1240 (clstrstrsi): Delete unused variable addr1.
1242 * rtl.h: Don't declare any functions also declared in recog.h.
1244 * Makefile.in (stupid.o): Update dependencies.
1245 (global.o): Likewise.
1247 * global.c: Include reload.h
1248 (reg_becomes_live): New function.
1249 (reg_dies): New function.
1250 (build_insn_chain): New function.
1251 (global_alloc): Call build_insn_chain before calling reload.
1253 * reload.h (struct needs): New structure definition.
1254 (struct insn_chain): Likewise.
1255 (reload_insn_chain): Declare variable.
1256 (new_insn_chain): Declare function.
1259 * reload1.c (reload_startobj): New variable.
1260 (reload_insn_chain): New variable.
1261 (unused_insn_chains): New variable.
1262 (new_insn_chain): New function.
1263 (init_reload): Initialize reload_startobj, not reload_firstobj.
1264 (reload): Initialize reload_firstobj.
1265 Before returning, free everything on the reload_obstack.
1267 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1268 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1269 current_chain): New variables.
1270 (reg_where_born): Delete variable.
1271 (REG_WHERE_BORN): New macro.
1272 (find_clobbered_regs): New function.
1273 (stupid_life_analysis): Don't allocate/free reg_where_born.
1274 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1275 reg_where_dead_chain.
1276 Use REG_WHERE_BORN instead of reg_where_born.
1277 While processing the insns, build the reload_insn_chain with
1278 information about register lifetimes.
1279 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1280 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1282 Compute and information about birth and death of pseudo registers in
1283 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1284 Delete code to set elements of reg_where_born.
1286 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1288 * tree.def (GOTO_EXPR): Modified documentation.
1289 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1292 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1294 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1295 loop_final_value, loop_comparison_code): No longer static.
1296 (unroll_loop): Delete loop_start_value update.
1297 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1298 loop_final_value, loop_comparison_code): Extern.
1299 (loop_start_value): Delete extern.
1300 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1301 loop_comparison_value, loop_comparison_code): Delete.
1302 (loop_optimize): Remove initialization for deleted variables.
1303 (strength_reduce): Delete analyze_loop_iterations call. Only call
1304 insert_bct if flag_branch_count_on_reg set.
1305 (analyze_loop_iterations): Delete.
1306 (insert_bct): Remove iteration count calculation. Move checks for
1307 viable BCT optimization to here. Obtain iteration count from
1308 loop_iterations and correct for unrolling. Check for enough
1309 iteration to be beneficial. Comment out runtime iteration count
1311 (insert_bct): Print iteration count in dump file. Remove
1312 loop_var_mode and use word_mode directly.
1314 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1315 * rs6000.c (rs6000_override_options): Use it.
1316 (optimization_options): Enable use of flag_branch_on_count_reg.
1317 * rs6000.md (define_function_unit): Describe 604e.
1319 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1321 * loop.c (move_movables): Corrected threshold calculation for
1322 moved_once registers.
1324 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1326 * loop.c (combine_givs_p): Fix test for identical givs.
1328 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1330 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1331 call abort if the function is already defined.
1333 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1335 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1336 truncation is not a no-op.
1338 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1340 * version.c: Bump for snapshot.
1342 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1344 * version.c: Bump for snapshot.
1346 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1348 * expmed.c (expand_divmod): Don't widen for computing remainder
1349 if we seem to have a divmod pattern for needed mode.
1351 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1353 * cpplib.c (macroexpand): Correct off-by-one error in handling
1356 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1358 * combine.c (expand_field_assignment): Don't do bitwise operations
1359 on MODE_FLOAT; pun to MODE_INT if possible.
1361 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1362 scott snyder <snyder@d0sgif.fnal.gov>
1364 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1365 linker. Recognize mangled names in quotes.
1367 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1369 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1370 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1371 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1372 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1374 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1376 * function.c (purge_addressof_1): If trying to take a sub-word
1377 integral piece of a floating point mode, put it on the stack.
1379 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1381 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1383 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1385 * PROJECTS: Remove template friends.
1387 * collect2.c (sort_ids): Remove unused variable.
1389 * tm.texi (MATH_LIBRARY): Document.
1390 (NEED_MATH_LIBRARY): Remove.
1392 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1393 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1395 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1397 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1398 last_end to 0x7fffffff.
1400 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1402 * function.c (purge_addressof_1): Do not perform endianness
1403 corrections on bitpos, who we call will do it for us.
1405 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1407 * h8300.c (WORD_REG_USED): Fix typo.
1408 (initial_offset): Use WORD_REG_USED.
1410 * h8300.c (handle_pragma): Fix typo.
1412 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1414 * caller-save.c (insert_save_restore): Break this function up
1415 into new functions insert_restore, insert_save and insert_one_insn.
1416 All callers changed.
1417 (insert_restore): New function, mostly broken out of
1418 insert_save_restore.
1419 (insert_save): Likewise.
1420 (insert_one_insn): Likewise.
1421 (restore_referenced_regs): New argument BLOCK. All callers changed.
1422 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1423 in this function, do it in insert_one_insn instead.
1425 * reload1.c (reload): Break out some more pieces into separate
1427 (dump_needs): New function, broken out of reload.
1428 (set_initial_elim_offsets): Likewise.
1429 (init_elim_table): Likewise.
1430 (update_eliminables): Likewise.
1432 * global.c (global_alloc): Delete code to manage the scratch_list.
1433 * local-alloc.c (qty_scratch_rtx): Delete.
1434 (scratch_block): Delete.
1435 (scratch_list): Delete.
1436 (scratch_list_length): Delete.
1437 (scratch_index): Delete.
1438 (alloc_qty_for_scratch): Delete.
1439 (local-alloc): Update initialization of max_qty.
1440 Delete code to manage the scratch list.
1441 Delete code to allocate/initialize qty_scratch_rtx.
1442 (block_alloc): Don't allocate quantities for scratches.
1443 Delete code to manage the scratch list.
1444 * regs.h (scratch_list): Delete declaration.
1445 (scratch_block): Delete declaration.
1446 (scratch_list_length): Delete declaration.
1447 * reload1.c (reload): Delete code to manage the scratch list.
1448 (spill_hard_reg): Likewise.
1449 (mark_scratch_live): Delete.
1451 * recog.c (alter_subreg): Delete declaration.
1453 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1455 * Makefile.in (cccp.o): Fix typo in last patch.
1457 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1459 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1460 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1462 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1464 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1465 NULL_RTX as an argument.
1467 * Makefile.in (unlibsubdir): Define.
1468 (DRIVER_DEFINES): Use unlibsubdir.
1469 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1470 (stmp-fixinc): Similarly.
1472 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1474 * regmove.c (regmove_optimize): Add variable old_max_uid.
1475 At the end of the function, update basic_block_end.
1477 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1479 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1480 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1483 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1485 * config/arm/arm.c: Improve interworking support.
1487 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1489 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1490 copied from reload_out[r] .
1492 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1494 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1495 with more than three size ranges.
1497 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1499 * rtl.c (mode_name): Add a null string at the end of the array.
1500 (mode_wider_mode): Change type to unsigned char.
1501 (mode_mask_array): New variable.
1502 (init_rtl): Update for mode_wider_mode type change.
1504 * rtl.h (mode_wider_mode): Change type to unsigned char.
1505 (mode_mask_array): Declare.
1506 (GET_MODE_MASK): Use mode_mask_array.
1508 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1510 * calls.c (expand_call) : Encapsulate code into
1511 copy_blkmode_from_reg.
1512 * expr.c (copy_blkmode_from_reg): New function.
1513 * expr.h (copy_blkmode_from_reg): New function.
1514 * integrate.c (function_cannot_inline_p): We can inline
1516 (expand_inline_function): Use copy_blkmode_from_reg
1517 if needed. Avoid creating BLKmode REGs.
1518 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1521 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1523 * config/v850/v850.c: Add function prototypes.
1524 Add support for v850 special data areas.
1526 * config/v850/v850.h: Add support for v850 special data areas.
1528 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1529 HANDLE_PRAGMA_PACK_PUSH_POP.
1530 (push_alignment): New function: Cache an alignment requested
1531 by a #pragma pack(push,<n>).
1532 (pop_alignment): New function: Pop an alignment from the
1534 (insert_pack_attributes): New function: Generate __packed__
1535 and __aligned__ attributes for new decls whilst a #pragma pack
1537 (add_weak): New function: Cache a #pragma weak directive.
1538 (handle_pragma_token): Document calling conventions. Add
1539 support for #pragma pack(push,<n>) and #pragma pack (pop).
1541 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1542 are defined enable HANDLE_PRAGMA_PACK.
1543 Move 'struct weak_syms' here (from varasm.c).
1544 Add pragma states for push and pop pragmas.
1546 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1549 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1550 HANDLE_GENERIC_PRAGMAS.
1552 * varasm.c: Move definition of 'struct weak_syms' into
1554 (handle_pragma_weak): Deleted.
1556 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1558 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1560 * c-decl.c (start_function): Add invocation of
1561 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1563 * tm.texi: Remove description of non-existant macro
1564 SET_DEFAULT_SECTION_NAME.
1566 (HANDLE_SYSV_PRAGMA): Document.
1567 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1569 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1571 * config.sub: Recognize i[34567]86-pc-udk as new target.
1572 * configure.in: Likewise.
1573 * config/i386/t-udk: New file.
1574 * config/i386/udk.h: New file.
1576 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1578 * reorg.c (check_annul_list_true_false): Remove unused variables.
1579 (steal_delay_list_from_target): Add missing "used_annul" variable.
1580 (try_merge_delay_insns): Close out half formed comment.
1582 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1584 * cpplib.c (macroexpand): If arg->raw_before or
1585 arg->raw_after, remove any no-reexpansion escape at the
1586 beginning of the pasted token. Correct handling of whitespace
1587 markers and no-reexpand markers at the end if arg->raw_after.
1589 * toplev.c (documented_lang_options): Recognize -include,
1590 -imacros, -iwithprefix, -iwithprefixbefore.
1591 * cpplib.c (cpp_start_read): Process -imacros and -include
1592 switches at the same time and in command-line order, after
1593 initializing the dependency-output code. Emit properly nested
1594 #line directives for them. Emit a #line for the main file
1595 before processing these switches, and don't do it again
1598 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1600 * function.c (purge_addressof_1): Use bitfield manipulation
1601 routines to handle mem mode < reg mode.
1603 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1605 * reorg.c (try_merge_delay_insns): Account for resources referenced
1606 in each instruction in INSN's delay list before trying to eliminate
1607 useless instructions. Similarly when looking at a trial insn's delay
1610 * reorg.c (check_annul_list_true_false): New function.
1611 (steal_delay_list_from_{target,fallthrough}): Call it and also
1612 refine tests for when we may annul if already filled a slot.
1613 (fill_slots_from_thread): Likewise.
1614 (delete_from_delay_slot): Return newly-created thread.
1615 (try_merge_delay_isns): Use its new return value.
1617 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1619 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1620 used to compute a giv or as some other non-counting use.
1622 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1624 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1625 * local-alloc.c (find_free_reg): Use it.
1626 * global.c (find_reg): Likewise.
1627 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1629 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1630 * caller-save.c (init_caller_save): Use it.
1631 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1633 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1635 * configure.in: Add --enable-cpplib option which uses cpplib
1636 for cpp, but doesn't link cpplib into cc1. Make help text
1637 capitalization consistent.
1638 * configure: Rebuilt.
1640 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1642 * function.c (gen_mem_addressof): If the address REG is
1643 REG_USERVAR_P make the new REG be so also.
1644 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1645 in an attempt to clarify slightly.
1647 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1649 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1650 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1652 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1654 * toplev.c: Fix last patch.
1656 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1658 * loop.c (get_condition): Fix typo in May 9 change.
1660 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1662 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1664 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1666 * toplev.c (documented_lang_options): Spelling corrections.
1668 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1670 * configure.in: new flags --with-ld and --with-as, equivalent
1671 to setting LD and AS environment variables. Test whether
1672 specified arguments are GNU commands, and report them with
1673 checking messages. Use the specified AS for configure
1676 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1678 * gcc.c (find_a_file): when looking for `as' and `ld', return
1679 the DEFAULT program if it exists
1680 * collect2.c (main): use DEFAULT_LINKER if it exists
1682 * gcc.c (find_a_file): the test for existence of a full
1683 pathname was reversed
1685 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1687 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1688 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1690 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1692 * tree.h (TYPE_BINFO): Document.
1694 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1696 * i386-coff.h (dbxcoff.h): Added.
1698 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1700 * toplev.c: fix bad patch around flag_data_sections.
1702 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1704 * reload1.c (reload): Use reload_address_index_reg_class and
1705 reload_address_base_reg_class when setting
1706 caller_save_spill_class. (Patch generated by Jim Wilson:
1709 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1711 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1712 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1713 * expr.c (store_field): Add alias_set parameter. Set the
1714 MEM_ALIAS_SET accordingly, if the target is a MEM.
1715 (expand_assignment): Use it.
1716 (store_constructor_field): Pass 0.
1717 (expand_expr): Likewise.
1719 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1721 * flags.h: Add flag_data_sections.
1722 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1723 (compile_file): Error if flag_data_sections not supported.
1724 * varasm.c (assemble_variable): Handle flag_data_sections.
1725 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1726 * config/mips/elf.h: Likewise.
1727 * config/mips/elf64.h: Likewise.
1728 * invoke.texi: Describe -fdata-sections.
1730 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1732 * invoke.texi (-ffloat-store): Clarify that this option
1733 does not affect intermediate results -- only variables.
1735 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1737 * cpp.texi: Update for Fortran usage from Craig.
1739 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1741 * rs6000.c (function_arg_boundary): Revert accidental change on
1744 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1746 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1747 (output_mi_thunk): Declare.
1749 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1750 (output_function_profiler): Use r12 for temp, instead of r11 so
1751 that we preserve the static chain register.
1753 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1755 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1757 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1759 * sh.c (gen_shl_sext): Fix case 5.
1761 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1763 * reload1.c (reload_combine): Re-add line that got accidentally lost.
1765 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1767 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
1768 accessing variables until they are initialized via va_arg().
1770 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1772 * reload1.c (reload_combine): Initialize set before using.
1774 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
1776 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
1779 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
1781 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
1782 operand3 with mask before using it. Patch provided by Jim Wilson.
1784 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1786 * config/sparc/sparc.c (function_value): Perform the equivalent of
1787 PROMOTE_MODE for ARCH64.
1788 (eligible_for_epilogue_delay): Allow DImode operations in delay
1789 slot of a return for ARCH64.
1791 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1793 * sh.md (sqrtsf2): Fix mode of sqrt.
1795 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1797 * reload1.c (choose_reload_regs): Also try inheritance when
1798 reload_in is a stack slot of a pseudo, even if we already got a
1801 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1803 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
1804 (reload_cse_regs): New function body: call reload_cse_regs_1,
1805 reload_combine, reload_cse_move2add.
1806 When doing expensive_optimizations, call reload_cse_regs_1 a
1807 second time after reload_cse_move2add.
1808 (reload_combine, reload_combine_note_store): New functions.
1809 (reload_combine_note_use): New function.
1810 (reload_cse_move2add, move2add_note_store): New functions.
1812 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1814 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
1815 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
1817 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
1818 more than 3 such reloads.
1820 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
1821 RELOAD_FOR_X_ADDR_ADDR reload.
1823 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1825 * expr.c (store_constructor): When initializing a field that is smaller
1826 than a word, at the start of a word, try to widen it to a full word.
1828 * cse.c (cse_insn): When we are about to change a register,
1829 remove any invalid references to it.
1831 (remove_invalid_subreg_refs): New function.
1832 (mention_regs): Special treatment for SUBREGs.
1833 (insert_regs): Don't strip SUBREG for call to mention_regs.
1834 Check if reg_tick needs to be bumped up before that call.
1835 (lookup_as_function): Try to match known word_mode constants when
1836 looking for a norrower constant.
1837 (canon_hash): Special treatment for SUBREGs.
1839 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1841 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
1842 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
1843 defined, emit libcall to __enable_execute_stack. Also fix opcodes
1844 and offsets in actual stack trampoline code so they match the
1845 commentary and actually work.
1847 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1849 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
1851 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
1852 tmake_file. Set extra_parts to needed crt objects.
1853 * configure: Rebuilt.
1854 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
1855 (TARGET_DEFAULT): Set if default is v9 or ultra.
1856 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
1857 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
1858 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
1859 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1860 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
1861 (TARGET_VERSION): Define.
1862 (MULTILIB_DEFAULT): Define.
1863 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
1864 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
1865 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
1867 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
1868 * config/sparc/sparc.c (sparc_override_options): If arch and
1869 pointer size disagree, emit diagnostic and fix it up. If
1870 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
1871 V8PLUS in 64-bit mode.
1872 * config/sparc/t-linux64: New file.
1873 * config/sparc/t-sol2-64: New file.
1874 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
1875 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
1876 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
1877 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
1878 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
1879 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
1881 (STARTFILE_SPEC): Set approriately based upon those.
1882 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
1883 disposition of DEFAULT_ARCH32_P.
1884 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
1885 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
1886 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
1887 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
1888 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
1890 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
1892 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
1894 * rtl.h (init_virtual_regs): New function.
1895 * emit-rtl.c (init_virtual_regs): Define.
1896 (insn_emit): Use it.
1897 * integrate.c (save_for_inline_copying): Likewise.
1899 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
1901 * config/arm/thumb.h: The following patches were made by Jim Wilson:
1902 (enum reg_class): Add NONARG_LO_REGS support.
1903 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
1904 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
1905 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
1906 completes. Re-enable HImode REG+OFFSET addresses.
1907 (LEGITIMIZE_RELOAD_ADDRESS): Define.
1909 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
1911 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
1913 * alpha.c (get_aligned_mem): Revert Sep 20 change.
1914 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
1915 (alpha_align_insns): Properly calculate initial offset wrt max_align.
1917 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
1919 * arm.c (find_barrier): Revert change of Apr 23. Handle table
1920 jumps as a single entity, taking into account the size of the
1923 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1925 * tree.def (SWITCH_EXPR): New tree node definition.
1927 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
1929 * version.c: Bump for snapshot.
1931 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
1933 * version.c: Bump for snapshot.
1935 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
1937 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
1940 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
1942 * Revert this patch.
1943 * reload.c (find_reloads): Do not replace a pseudo with
1944 (MEM (reg_equiv_addr)) in the initializing insn for the
1947 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
1949 * final.c (final_scan_insn): Disable tracking CC across branches.
1951 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1953 * expr.h (eh_rtime_match_libfunc): New extern declaration.
1954 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
1955 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
1956 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
1957 NULL. Only include <stdio.h> if inhibit_libc is not defined.
1959 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
1961 * toplev.c (rest_of_compilation): Skip compiling anything with
1962 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
1964 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
1966 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
1967 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
1968 use in_libcall_block.
1969 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
1970 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
1973 Mon Sep 21 14:02:23 1998
1975 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
1976 typo in no-fancy-math-387 description.
1978 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
1980 * version.c: Bump for snapshot.
1982 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
1984 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
1986 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
1988 * i386.h: (TARGET_SWITCHES) Add description fields for flags
1989 documented in install.texi.
1990 (TARGET_OPTIONS) Likewise.
1992 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
1994 * version.c: Bump for snapshot.
1996 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
1998 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
1999 * cccp.c (main): Likewise.
2001 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2002 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2005 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2007 * Makefile.in (LIBS): Link in libiberty.a.
2008 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2010 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2012 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2013 it to update bb boundaries. Update caller.
2014 * function.c (reposition_prologue_and_epilogue_notes): Update
2015 bb boundaries wrt the moved note.
2017 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2019 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2021 * configure: Regenerate.
2023 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2025 * alpha.c (alpha_sr_alias_set): New variable.
2026 (override_options): Set it.
2027 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2028 (mode_mask_operand): Fix signed-unsigned comparision warning.
2029 (alpha_expand_block_move): Likewise.
2030 (print_operand): Likewise.
2031 (get_aligned_mem): Use change_address.
2032 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2033 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2034 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2035 (alpha_align_insns): Remade from old alphaev5_align_insns
2036 to handle multiple processors.
2037 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2038 * output.h (label_to_alignment): Prototype.
2040 * tree.c (new_alias_set): New function.
2041 * tree.h (new_alias_set): Declare it.
2042 * c-common.c (c_get_alias_set): Use it.
2044 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2046 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2047 to an ABS expr, convert an unsigned input to signed.
2049 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2051 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2053 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2055 * configure.in: Add support for c4x targets.
2056 * configure: Rebuilt.
2058 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2060 * combine.c (distribute_notes): If an insn is a cc0 user, only
2061 delete it if we can also delete the cc0 setter.
2063 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2065 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2066 (invert_truthvalue): Enable truthvalue inversion for
2067 floating-point operands if -ffast-math.
2069 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2071 * configure.in: Disable collect2 for nextstep. Instead use
2073 * configure: Rebuilt.
2074 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2075 (ENDFILE_SPEC): Define.
2076 (OBJECT_FORMAT_MACHO): Define.
2077 (EH_FRAME_SECTION_ASM_OP): Define.
2078 * crtstuff.c: Handle MACHO.
2080 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2082 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2084 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2086 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2087 (_fpadd_parts): Get sign right for 0.
2089 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2091 * ginclude/varargs.h: Add support for C4x target.
2092 * ginclude/stdargs.h: Likewise.
2094 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2096 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2097 (alpha_emit_set_long_const): Rewrite to be callable from reload
2099 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2100 * alpha.md (movdi): Likewise.
2102 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2104 * arm.c (add_constant): New parameter address_only, change caller.
2105 Set it non-zero if taking the address of an item in the pool.
2106 (arm_reorg): Handle cases where we need the address of an item in
2109 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2111 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2112 memory addresses that are not in standard canonical form.
2114 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2116 * README.C4X: New file with information about the c4x ports.
2117 * ginclude/va-c4x.h: New file for c4x varargs support.
2118 * config/c4x: New directory with c4x port files.
2120 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2122 * reload.c (find_reloads): Do not replace a pseudo with
2123 (MEM (reg_equiv_addr)) in the initializing insn for the
2126 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2128 * toplev.c (rest_of_compilation): Set bct_p on second call to
2130 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2132 (strength_reduce): Only call analyze_loop_iterations and
2133 insert_bct if bct_p set.
2134 (check_dbra_loop): Fix typo.
2135 (insert_bct): Use word_mode instead of SImode.
2136 (instrument_loop_bct): Likewise. Do not delete iteration count
2137 condition code generation insn. Initialize iteration count before
2139 * rtl.h (loop_optimize): Update prototype.
2141 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2142 not doubleword aligned.
2144 * rs6000.c (optimization_options): New function.
2145 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2146 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2147 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2148 first; cr1 can be used for FP record condition insns.
2150 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2152 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2155 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2158 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2160 (block_move_call): New function: Call a library routine to copy a
2162 (m32r_expand_block_move): New function: Expand a "movstrsi"
2163 pattern into a sequence of insns.
2164 (m32r_output_block_move): New function: Expand a
2165 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2166 (m32r_block_immediate_operand): New function: Return true if the
2167 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2169 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2171 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2173 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2175 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2177 * regmove.c (copy_src_to_dest): Check that modes match.
2179 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2181 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2183 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2185 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2186 narrower than FLOAT_REGS.
2188 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2190 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2192 * Makefile.in (old_gxx_include_dir): removed
2194 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2196 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2199 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2200 (sh_handle_pragma): Change function arguments to match new
2201 specification for HANDLE_PRAGMA.
2203 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2207 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2208 When generating output, initialize missing struct member to zero.
2210 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2212 * regmove.c (copy_src_to_dest): Don't copy if that requires
2213 (a) new register(s).
2215 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2217 * global.c (reg_allocno): Now static.
2218 * reload1.c (reg_allocno): Delete declaration.
2219 (order_regs_for_reload): Take no arguments. Don't treat regs
2220 allocated by global differently than those allocated by local-alloc.
2222 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2224 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2225 condition, fix format strings.
2226 (output_function_epilogue): Likewise.
2228 * m68k/m68k.c: Don't include <stdlib.h> directly.
2230 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2232 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2233 mem_first_set, mem_last_set; because 0 can be a CUID.
2234 (oprs_unchanged_p): Use new definition.
2235 (record_last_reg_set_info): Likewise.
2236 (record_last_mem_set_info): Likewise.
2237 (compute_hash_table): Likewise.
2239 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2241 * rs6000.c (output_epilogue): Handle Chill.
2243 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2244 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2246 * combine.c (make_extraction): If no mode is specified for
2247 an operand of insv, extv, or extzv, default it to word_mode.
2248 (simplify_comparison): Similarly.
2249 * expmed.c (store_bit_field): Similarly.
2250 (extract_bit_field): Similarly.
2251 * function.c (fixup_var_regs_1): Similarly.
2252 * recog.c (validate_replace_rtx_1): Similarly.
2253 * mips.md (extv, extzv, insv expanders): Default modes for most
2254 operands. Handle TARGET_64BIT.
2255 (movdi_uld, movdi_usd): New patterns.
2257 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2258 equivalent memory location unless we have been provided a scratch
2259 register. Similarly do not call find_replacement unless a
2260 scratch register has been provided.
2262 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2264 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2267 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2269 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2270 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2271 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2272 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2273 * c-decl.c (init_decl_processing): Update accordingly.
2274 * expr.c (expand_builtin): Likewise.
2276 * rtl.h (global_rtl): Add cfa entry.
2277 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2278 (LAST_VIRTUAL_REGISTER): Update.
2279 * emit-rtl.c (global_rtl): Add cfa entry.
2280 (init_emit): Initialize it.
2281 * function.c (cfa_offset): New.
2282 (instantiate_virtual_regs): Initialize it.
2283 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2284 (expand_function_end): Call expand_eh_return.
2285 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2287 * except.c (current_function_eh_stub_label): Kill.
2288 (current_function_eh_old_stub_label): Likwise; update all references.
2289 (expand_builtin_set_return_addr_reg): Kill.
2290 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2291 (expand_builtin_set_eh_regs): Kill.
2292 (eh_regs): Produce a third reg for the actual handler address.
2293 (eh_return_context, eh_return_stack_adjust): New.
2294 (eh_return_handler, eh_return_stub_label): New.
2295 (init_eh_for_function): Initialize them.
2296 (expand_builtin_eh_return, expand_eh_return): New.
2297 * except.h: Update prototypes.
2298 * flow.c (find_basic_blocks_1): Update references to the stub label.
2299 * function.h (struct function): Kill stub label elements.
2301 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2302 register number is one that would be in the previous window.
2303 Provide a dummy definition for non-windowed targets.
2304 (get_reg_addr): New function.
2305 (get_reg, put_reg, copy_reg): Use it.
2306 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2307 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2309 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2310 (alpha_init_expanders): Initialize it.
2311 (alpha_expand_epilogue): Use it.
2312 * alpha.h: Declare it.
2313 * alpha.md (eh_epilogue): New.
2315 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2316 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2318 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2320 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2323 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2325 * except.h (struct eh_entry): Add false_label field.
2326 (end_catch_handler): Add prototype.
2327 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2328 (start_catch_handler): When using old style exceptions, issue
2329 runtime typematch code before continuing with the handler.
2330 (end_catch_handler): New function, generates label after handler
2331 if needed by older style exceptions.
2332 (expand_start_all_catch): No need to check for new style exceptions.
2333 (output_exception_table_entry): Only output the first handler label
2334 for old style exceptions.
2335 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2336 mechanism into one function, if a runtime matcher is provided.
2338 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2340 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2342 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2344 * integrate.c (copy_decl_list): Fix typo.
2346 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2348 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2351 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2353 * version.c: Bump for snapshot.
2355 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2357 * version.c: Bump for snapshot.
2359 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2361 * version.c: Bump for snapshot.
2363 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2365 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2367 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2369 * configure.in: remove usage of `!' to negate the result of a
2370 command; some common shells do not support it
2372 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2374 * configure.in: in sparc9-sol2 config, use 'if test' not
2376 * configure: Rebuilt.
2378 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2380 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2381 (CPP_CPU_DEFAULT_SPEC): Likewise.
2382 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2383 for arch64 libfuncs.
2385 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2388 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2392 * collect2.c: Don't declare `sys_siglist' here.
2393 (my_strsignal): Prototype and define new function. Use it in
2394 place of `sys_siglist' hacks.
2396 * mips_tfile.c: Likewise.
2398 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2399 (GCC_NEED_DECLARATIONS): Likewise.
2401 * system.h (strsignal): Prototype it, if necessary.
2402 (sys_siglist): Declare it, if necessary.
2404 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2406 * loop.c (move_movables): While removing insn sequences, preserve
2407 the next pointer of the most recently deleted insn when we skip
2410 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2412 * objc/config-lang.in: Do not output the name of the selected
2413 thread file when building the front-end. The Makefile for the
2414 runtime library will do this.
2416 * objc/Make-lang.in: Do not build the runtime library or install
2417 the Objective C header files. The Makefile for the runtime
2418 library will do this.
2420 * objc/Makefile.in (all.indirect): Only build the front-end.
2421 (compiler): Rename to `frontend'.
2422 (obj-runtime): Remove target.
2423 (copy-headers): Likewise.
2424 (clean): No need to remove `libobjc.a' any longer.
2426 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2428 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2429 supported with -mcpu=xxx.
2431 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2433 * flow.c (mark_set_1): Recognize multi-register structure return
2434 values in CALL insns.
2435 (mark_used_regs): Likewise.
2436 (count_reg_sets_1): Likewise.
2437 (count_reg_references): Likewise.
2438 * rtlanal.c (note_stores): Likewise.
2439 (reg_overlap_mentioned_p): Likewise.
2440 * haifa-sched.c (check_live_1): Likewise.
2441 (update_live_1): Likewise.
2442 (sched_analyze_1): Likewise.
2443 (sched_note_set): Likewise.
2444 (birthing_insn_p): Likewise.
2445 (attach_deaths): Likewise.
2447 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2450 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2452 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2454 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2456 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2458 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2460 * configure.in: Add check for GAS subsection -1 support.
2461 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2462 * configure config.in: Rebuilt.
2463 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2464 SImode is subsection -1 works, else use DImode.
2465 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2466 subsection -1 works.
2467 * config/sparc/sparc.c (sparc_output_addr_vec,
2468 sparc_output_addr_diff_vec): Use them if defined.
2470 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2472 * tree.h (DECL_ORIGIN): New macro.
2473 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2474 (copy_decl_list): Use it.
2475 (integrate_parm_decls): Likewise.
2476 (integrate_decl_tree): Likewise.
2477 * dwarf2out.c (decl_ultimate_origin): Simplify.
2478 * dwarfout.c (decl_ultimate_origin): Likewise.
2479 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2480 (pushdecl): Likewise.
2482 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2484 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2486 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2488 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2490 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2492 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2493 empty or has a single entry.
2495 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2496 before calling reg_to_stack.
2498 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2500 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2501 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2503 * c-tree.h (warn_long_long): Declare it.
2505 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2507 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2508 initialized float-int union if the value is a NaN.
2510 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2512 * c-lex.c (real_yylex): Don't warn about long long constants if
2513 we're allowing long long
2515 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2517 * except.h (current_function_eh_stub_label): Declare.
2518 (current_function_eh_old_stub_label): Declare.
2519 * function.h (struct function): New members eh_stub_label and
2521 * except.c (current_function_eh_stub_label): New variable.
2522 (current_function_eh_old_stub_label): New variable.
2523 (init_eh_for_function): Clear them.
2524 (save_eh_status): Save them.
2525 (restore_eh_status): Restore them.
2526 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2527 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2528 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2529 make an edge from the block that contains it to the block starting
2530 with the label if this label is one of the eh stub labels.
2531 If eh stub labels exist, show they are reachable from the last block
2534 * reload1.c (reload): Break out several subroutines and make some
2536 (calculate_needs_all_insns): New function, broken out of reload.
2537 (calculate_needs): Likewise.
2538 (find_reload_regs): Likewise.
2539 (find_group): Likewise.
2540 (find_tworeg_group): Likewise.
2541 (something_needs_reloads): New global variable, formerly in reload.
2542 (something_needs_elimination): Likewise.
2543 (caller_save_spill_class): Likewise.
2544 (caller_save_group_size): Likewise.
2545 (max_needs): Likewise.
2546 (group_size): Likewise.
2547 (max_groups): Likewise.
2548 (max_nongroups): Likewise.
2549 (group_mode): Likewise.
2550 (max_needs_insn): Likewise.
2551 (max_groups_insn): Likewise.
2552 (max_nongroups_insn): Likewise.
2553 (failure): Likewise.
2555 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2557 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2559 * loop.c (load_mems): Copy rtx for output mem.
2561 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2563 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2564 mips1 or mips2 either.
2566 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2568 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2570 (pa_adjust_insn_length): Update to work with new marking scheme
2571 for jumps inside switch tables.
2572 * pa.md (switch_jump): Remove pattern.
2573 (jump): Handle jumps inside jump tables.
2575 * Makefile.in (profile.o): Depend on insn-config.h
2577 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2579 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2581 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2583 Add preliminary native sparcv9 Solaris support.
2584 * configure.in: Recognize sparv9-*-solaris2*
2585 * configure: rebuilt
2586 * config.sub: Recognize sparcv9 just like sparc64.
2587 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2588 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2589 32-bit and 64-bit Solaris systems.
2590 * config/sparc/t-sol2: Assemble those with cpp.
2591 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2592 (*TF*_LIBCALL): If ARCH64 use V9 names.
2593 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2595 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2597 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2598 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2600 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2602 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2603 to Pmode if CASE_VECTOR_MODE is something else.
2605 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2607 * prefix.c (update_path): Correctly handle cases where PATH is
2608 a substring of the builtin prefix, but specifies a different
2611 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2613 * expr.c: Corrected comment about what MOVE_RATIO does.
2614 * config/alpha/alpha.h: Ditto.
2615 * config/1750a/1750a.h: Ditto.
2616 * config/clipper/clipper.h: Ditto.
2617 * config/i386/i386.h: Ditto.
2619 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2621 * configure.in (m68k-next-nextstep3*): Use collect2.
2622 Similarly for x86 NeXT configurations.
2623 * configure: Rebuilt.
2625 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2627 * configure.in: Don't assume srcdir is .../gcc
2628 * configure: Rebuilt.
2630 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2632 * global.c: Update comments.
2633 (global_alloc): Assign allocation-numbers
2634 even for registers allocated by local_alloc in case
2635 they are later spilled and retry_global_alloc is called.
2636 (mark_reg_store, mark_reg_clobber,
2637 mark_reg_conflicts, mark_reg_death): Always record a
2638 conflict with a pseudo register even if it has been
2639 assigned to a hard register.
2640 (dump_conflicts): Don't list pseudo registers already assigned to
2641 a hard register as needing to be allocated, but do list their
2643 * local-alloc.c: Update comment.
2645 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2647 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2648 * configure: Rebuilt.
2650 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2652 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2654 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2655 for all targets that set -msoft-float.
2657 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * toplev.c (print_switch_values): Make static to match prototype.
2661 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2663 * configure.in: If we are unable to find the "gnatbind" program,
2664 then do not configure the ada subdir.
2665 * configure: Rebuilt.
2667 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2669 * version.c: Bump for snapshot.
2671 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2673 * version.c: Bump for snapshot.
2675 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2678 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2680 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2682 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2684 * genextract.c: Have insn-extract.c include toplev.h.
2686 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2688 * toplev.c: Include expr.h.
2689 (really_sorry, fancy_abort): Remove prototypes.
2690 (set_target_switch): Add argument in prototype.
2691 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2692 (v_really_sorry): Likewise.
2693 (print_version, print_single_switch, print_switch_values): Make
2694 static and add prototype arguments.
2695 (decl_printable_name): Add prototype arguments.
2696 (lang_expand_expr_t): New typedef.
2697 (lang_expand_expr): Declare as a lang_expand_expr_t.
2698 (incomplete_decl_finalize_hook): Add prototype argument.
2699 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2700 (botch): Likewise for variable `s'.
2701 (rest_of_type_compilation): Mark variables `type' and `toplev'
2702 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2703 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2704 (display_help): Make variable `i' an `unsigned long'.
2705 (main): Remove unused parameter `envp'.
2706 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2707 Cast -1 when comparing it with a `size_t'.
2709 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2710 prototype with ATTRIBUTE_NORETURN.
2711 (fatal_insn_not_found, fatal_insn, really_sorry,
2712 push_float_handler, pop_float_handler): Add prototypes.
2713 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2714 (do_abort, botch): Add prototypes.
2716 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2718 * final.c (final): If a label is reached only from a single jump,
2719 call NOTICE_UPDATE_CC on the jump and its predecessor before
2720 emitting the insn after the label.
2722 * i386.h: Add AMD K6 support.
2723 Change TARGET_* macros to use table lookup.
2724 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2725 (ADJUST_COST): Change definition to call function in i386.c.
2726 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2727 * i386.c: Add AMD K6 support.
2728 Add constants for feature tests used by TARGET_* macros.
2729 (split_di): If before reload, call gen_lowpart and gen_highpart.
2730 (x86_adjust_cost): New function.
2731 (put_jump_code): New function.
2732 (print_operand): New codes 'D' and 'd'.
2733 * i386.md: New insn types. New insn attribute "memory".
2734 Redefine scheduling parameters to use new types and add AMD K6
2735 support. Explicitly set type of most insns.
2736 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2737 Pro and K6 prefer movl $1,reg to incl reg.
2738 (adddi3, subdi3): Set cc_status.
2739 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2740 to int; x86 can't have more than 2^31 DImode shifts per file.
2741 (setcc): Combine all setcc patterns. Allow writing memory.
2742 Combine all jump patterns using match_operator.
2743 (*bzero): Name pattern. Emit mutliple stos instructions when that
2744 is faster than rep stos.
2745 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2748 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2750 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2753 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2755 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2756 not whatever we're generating now.
2758 * alpha.c (set_frame_related_p, FRP): New.
2759 (alpha_expand_prologue): Mark frame related insns.
2760 (alpha_expand_epilogue): Likewise, but with a null FRP.
2761 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
2762 * alpha.md (exception_receiver): New.
2763 * alpha/crtbegin.asm (.eh_frame): New beginning.
2764 (__do_frame_setup, __do_frame_takedown): New.
2765 * alpha/crtend.asm (.eh_frame): New ending.
2766 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
2767 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
2768 (ASM_FILE_START): Don't emit .file for dwarf2.
2770 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
2771 * rtl.c (reg_note_name): Likewise.
2772 * rtl.texi (REG_NOTES): Likewise.
2773 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
2776 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
2778 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
2779 * i386.md (movsf, movdf, movxf): Validate memory address returned
2780 from force_const_mem. Kill useless REG_EQUAL setting code.
2782 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
2784 * m68k.md (zero_extendsidi2): Fix typo.
2786 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
2788 * configure.in: Removed references to the removed file
2789 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
2790 * arm*-*-netbsd* and ns32k-*-netbsd*.
2791 * config/i386/xm-netbsd.h: Removed unnecessary file.
2792 * config/m68k/xm-netbsd.h: Likewise.
2793 * config/sparc/xm-netbsd.h: Likewise.
2794 * config/mips/xm-netbsd.h: Likewise.
2796 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
2798 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
2799 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
2801 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
2802 for exact section attributions.
2804 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
2806 * i386/crtdll.h (CPP_PREDEFINES): Define.
2808 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
2810 * m68k.md (5200 movqi): Do not allow byte sized memory references
2812 * m68k.c (output_move_qimode): Do not use byte sized operations on
2815 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
2816 explicit rules for building. Similarly for alloca, vfprintf,
2817 choose-temp and mkstemp, getopt, getopt1, and obstack.
2818 (INCLUDES): Add $(srcdir)/../include.
2819 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
2820 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
2822 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
2824 * gcc.c (do_spec_1): [case 'o'] Account for
2825 lang_specific_extra_outfiles.
2826 (main): Correctly clear all slots in outfiles for
2827 lang_specific_extra_outfiles. Set input_file_number before
2828 calling lang_specific_pre_link.
2830 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
2832 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
2834 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2836 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
2838 (sparc_output_deferred_case_vectors): If no work to do, return.
2839 Fix thinko in Sept 1 change.
2841 1998-09-03 SL Baur <steve@altair.xemacs.org>
2843 * Makefile.in: add semicolon in BISON definition for portability.
2845 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2847 * config/nextstep.c (handle_pragma): Correct name of third
2850 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
2852 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
2853 * config/m32r/m32r.h: Make register 17 be fixed.
2854 * config/m32r/m32r.c: Use SImode for cc operations.
2856 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
2858 * invoke.texi (Warning Options): Add -Wnon-template-friend
2861 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
2863 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
2865 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
2867 * rs6000.md (movsf): Disable explicit secondary-reload-like
2868 functionality if TARGET_POWERPC64.
2869 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
2872 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
2874 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
2875 and term.h from fixinc.wrap.
2877 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
2880 safe to include both string.h and strings.h together.
2881 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
2882 which headers to search for function declarations. Continue to
2883 prefer string.h over strings.h when both are not acceptable.
2885 * acconfig.h (STRING_WITH_STRINGS): Add stub.
2887 * configure.in: Call GCC_HEADER_STRING.
2889 * system.h: Test STRING_WITH_STRINGS when deciding which headers
2890 to include. Continue to prefer string.h over strings.h when both
2893 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2895 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
2896 not assume top 32-bits of symbolic addresses are zero if
2899 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
2901 * ginclude/va-alpha.h: Protect entire second portion of the
2902 file against double inclusion.
2904 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
2906 Added support for the Boehm's garbage collector.
2907 * configure.in: Handle --enable-objc-gc.
2908 * configure: Rebuilt.
2909 * Makefile.in (CHECK_TARGETS): Add check-objc.
2910 (check-objc): New rule.
2911 * objc/Make-lang.in: Build a different Objective-C library that
2912 runs with the Boehm's collector.
2913 * objc/encoding.c (objc_round_acc_size_for_types): New function.
2914 * objc/encoding.c: Correctly compute the size of compound types in
2915 the presence of bitfields. Skip the variable name of the type if
2916 any. Added support for long long.
2917 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
2918 (_F_GCINVISIBLE): New mask.
2919 * objc/gc.c: New file. Compute the type memory mask associated with
2920 a class based on the runtime information.
2921 * objc/misc.c: Added the hooks that use the Boehm's collector
2922 allocation functions.
2923 * objc/objc-act.c (build_class_template): Generate a new class
2924 member (gc_object_type) to hold the class' type memory mask.
2925 (build_shared_structure_initializer): Initialize the new member to
2927 (encode_complete_bitfield): New function. Generate the new
2929 (encode_field_decl): Generate the new encoding only for the GNU
2931 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
2933 (class_get_gc_object_type): New function to mark a pointer instance
2934 variable as a weak pointer.
2935 * objc/objc-features.texi: New file.
2936 * objc/objc.h (gc_object_type): New class member.
2937 * objc/objects.c (class_create_instance): Create a typed memory
2938 object when compiled with Boehm's collector support.
2939 * objc/sendmsg.c (__objc_init_install_dtable): Call
2940 __objc_send_initialize instead of setting the initialize flag.
2941 (__objc_send_initialize): Call __objc_generate_gc_type_description
2942 to generate the class type memory mask. Rewrite the code that
2943 sends the +initialize so that it is called only once (bug report
2944 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
2945 * testsuite/objc: New testsuite for Objective-C type encoding.
2946 * testsuite/lib/objc-torture.exp: New file.
2947 * testsuite/lib/objc.exp: New file.
2949 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
2951 * jump.c (jump_optimize): In if/then/else transformations, add
2952 another call to modified_between_p for the jump insn.
2954 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
2956 * fix-header.c (symlink): Treat like readlink.
2958 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2960 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
2963 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
2965 * config/nextstep.h: Update HANDLE_PRAGMA macro.
2966 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
2967 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
2969 * config/nextstep.c (handle_pragma): Take three arguments, as per
2970 the new HANDLE_PRAGMA macro specification.
2971 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
2972 per the new HANDLE_PRAGMA macro specification.
2973 * config/i960/i960.c (process_pragma): Take three arguments, as
2974 per the new HANDLE_PRAGMA macro specification.
2976 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
2978 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
2979 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
2980 if unknown pragmas are encountered.
2981 (handle_sysv_pragma): Interpret return code from
2982 handle_pragma_token (). Return success/failure indication rather
2983 than next unprocessed character.
2984 (pragma_getc): New function: retrieves characters from the
2985 input stream. Defined when HANDLE_PRAGMA is enabled.
2986 (pragma_ungetc): New function: replaces characters back into the
2987 input stream. Defined when HANDLE_PRAGMA is enabled.
2989 * c-pragma.c (handle_pragma_token): Return success/failure status
2992 * c-pragma.h: Change prototype of handle_pragma_token().
2994 * varasm.c: (handle_pragma_weak): Only create this function if
2995 HANDLE_PRAGMA_WEAK is defined.
2997 * c-common,c (decl_attributes): If defined call the expression
2998 contained within the INSERT_ATTRIBUTES macro before adding
2999 attributes to a decl.
3001 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3002 HANDLE_PRAGMA, which takes three arguments.
3003 (INSERT_ATTRIBUTES): Document this new macro.
3005 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3006 new INSERT_ATTRIBUTES macro.
3008 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3010 * config/sparc/sparc.md (movdf): Only generate special RTL for
3011 LABEL_REFs when PIC.
3012 (move_label_di): Remove
3013 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3014 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3015 references when PIC.
3016 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3017 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3018 output an .xword for all 64-bit cases.
3020 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3022 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3023 alignment, use FUNCTION_BOUNDARY instead.
3024 (sparc_output_deferred_case_vectors): Likewise.
3026 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3028 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3029 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3031 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3033 * alpha/va_list.h: New file.
3034 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3036 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3038 * NEWS: Add SCO Openserver and Unixware 7 notes.
3042 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3044 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3045 (record_constant_1): Handle RANGE_EXPR.
3047 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3049 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3050 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3051 and NOTE_INSN_RANGE_END specially.
3052 (reemit_notes): Likewise.
3054 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3056 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3057 (ultrasparc_sched_init): Remove unneeded &.
3059 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3061 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3062 for m68020-60, to prevent the use of fintrz.
3064 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3066 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3068 * Makefile.in: Likewise.
3069 * configure: Regenerated.
3071 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3073 * configure.in (gxx_include_dir): Changed to
3074 '${prefix}/include/g++'-${libstdcxx_interface}.
3075 * configure: Rebuilt.
3077 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3079 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3081 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3082 *sequences* *below* which scalar moves will be used.
3084 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3086 * collect2.c (mktemp): Delete unused declaration.
3088 * config/xm-netbsd.h: Remove unnecessary file.
3089 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3090 file anymore, it is not needed.
3092 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3094 * convert.c (convert_to_integer): Issue an error on conversions to
3097 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3099 * Makefile.in: Add lang_tree_files and gencheck.h.
3100 * configure.in: Generate them.
3101 * gencheck.c: Include gencheck.h.
3103 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3105 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3106 movdi_lo_sum_pic and movdi_high_pic and make visible.
3107 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3108 emit these when Pmode is not SImode.
3109 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3111 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3113 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3114 .linkonce directive after the first time.
3116 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3118 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3119 the clobbered operand overlaps with an input.
3120 (bne0_di): Similarly.
3122 * Makefile.in (INSTALL): Remove "--no-header" argument.
3124 * NEWS: Various updates.
3126 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3128 * config/sparc/sparc.c (arith_operand, const64_operand,
3129 const64_high_operand, arith_double_4096_operand): Mark mode as
3131 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3133 (sparc_emit_set_const64): Remove unused variable i.
3134 (sparc_splitdi_legitimate): Likewise for addr_part.
3135 (ultra_code_from_mask): Likewise for mask.
3136 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3137 reverse return values so it matches usage and comments.
3138 (ultra_flush_pipeline): Likewise.
3139 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3140 this_type, and allow loads and stores of differing FP modes as
3141 they do not create a conflict.
3142 (ultra_find_type): Initialize fpmode to SFmode, fix
3143 parenthesization thinkos in large conditional.
3144 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3145 Init free_slot_mask after ultra_cur_hist is reset, not before.
3146 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3147 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3148 use ultra_flush_pipeline instead, then re-init group pointer.
3149 Fix statement with no effect. If no progress made in, and no
3150 instructions scheduled at all, advance to new pipeline cycle else
3151 we get into an endless loop.
3152 (ultrasparc_adjust_cost): Remove previous arg.
3153 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3155 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3157 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3158 code. Use reg_overlap_mentioned_p to detect when source and
3159 destination overlap.
3160 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3162 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3164 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3165 COMPARISON_VAL, into invariant_p.
3167 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3169 * regmove.c (regclass_compatible_p): New function.
3170 (regmove_optimize): Use it.
3172 Use NREGS parameter insted of calling max_reg_num.
3174 (fixup_match_1): Don't use code = MINUS when later tieing with
3175 a hard register is likely.
3177 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3179 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3180 COMPARISON_VAL was normalized.
3182 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3184 * loop.c (check_dbra_loop): The loop ending comparison value
3185 must be an invariant or we can not reverse the loop.
3187 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3188 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3190 (load_mems_and_recount_loop_regs_set): Likewise.
3192 * i386.c (print_operand): Remove obsolete 'c' docs.
3194 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3196 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3197 * frame.c (init_object_mutex): New function.
3198 (init_object_mutex_once): Likewise.
3199 (find_fde): Call it.
3200 (__register_frame_info): Likewise.
3201 (__register_frame_info_table): Likewise.
3202 (__deregister_frame_info): Likewise.
3204 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3206 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3208 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3210 * loop.c (check_dbra_loop): Enable code for reversal
3211 of some loops without a known constant loop end.
3213 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3215 * haifa-sched.c (last_clock_var): New.
3216 (schedule_block): Initialize it.
3217 (schedule_insn): Use it to fill insn modes with issue information.
3219 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3220 Tag trapb and next insn with TImode.
3221 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3222 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3223 Invoke alphaev5_align_insns as appropriate.
3224 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3225 (MD_SCHED_VARIABLE_ISSUE): New.
3226 * alpha.md (attr type): Add multi.
3227 (define_asm_attributes): New.
3228 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3229 (arg_home): Likewise.
3230 (fnop, unop, realign): New.
3232 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3234 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3235 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3237 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3238 (rs6000-ibm-aix4.[12]*): Likewise.
3239 * configure: Regnerate.
3241 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3243 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3244 already contains the return address.
3246 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3248 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3249 word sized hunks when loading unaligned args into registers.
3251 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3252 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3254 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3256 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3258 * loop.c (check_dbra_loop): Add some code that would allow reversal
3259 of some loops without a known constant loop end if it were enabled.
3261 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3263 * mips.md (lshrsi3_internal2+2): Fix type-o.
3265 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3267 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3268 correctly with regards to stdio.h.
3270 * calls.c: Remove stdarg.h/varargs.h.
3273 * combine.c: Likewise.
3274 * cpperror.c: Likewise.
3275 * cpplib.c: Likewise.
3276 * cpplib.h: Likewise.
3277 * doprint.c: Likewise.
3278 * emit-rtl.c: Likewise.
3279 * final.c: Likewise.
3280 * fix-header.c: Likewise.
3282 * genattr.c: Likewise.
3283 * genattrtab.c: Likewise.
3284 * gencodes.c: Likewise.
3285 * genconfig.c: Likewise.
3286 * genemit.c: Likewise.
3287 * genextract.c: Likewise.
3288 * genflags.c: Likewise.
3289 * genopinit.c: Likewise.
3290 * genoutput.c: Likewise.
3291 * genpeep.c: Likewise.
3292 * genrecog.c: Likewise.
3293 * mips-tfile.c: Likewise.
3294 * prefix.c: Likewise.
3295 * protoize.c: Likewise.
3296 * regmove.c: Likewise.
3297 * toplev.c: Likewise.
3300 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3302 * config/sparc/sparc.c (sparc_override_options): If not
3303 TARGET_FPU, turn off TARGET_VIS.
3304 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3305 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3306 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3307 (movdi_insn_sp64): Add VIS fzero alternative.
3308 (clear_sf, clear_df): New VIS patterns.
3309 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3311 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3313 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3315 * loop.c (n_times_set, n_times_used, may_not_optimize,
3316 reg_single_usage): Convert to varrays. All uses changed.
3317 (insert_loop_mem): Return a value.
3318 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3319 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3322 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3325 * configure.in: Do not set thread_file to "irix" since no such
3328 * sparc.md (float abs/neg splits): Check reload_completed before
3329 calling alter_subreg.
3331 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3333 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3335 * config/sparc/sparc.h: Declare it.
3336 * config/sparc/sparc.md (float abs/neg splits): Use it.
3337 (all other splits): Handle SUBREGs properly where necessary.
3338 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3340 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3342 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3343 an insn on the unfilled_slots_list that has no delay slots.
3344 (fill_eager_delay_slots): Similarly.
3346 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3348 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3349 as an ordinary operand.
3351 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3353 * tree.c (valid_machine_attribute): Don't apply attributes to both
3356 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3358 * reload.c (operands_match_p): Handle rtvecs.
3360 * i386.c (legitimate_pic_address_disp_p): New.
3361 (legitimate_address_p): Use it.
3362 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3363 Handle constant pool symbols just like statics.
3364 (emit_pic_move): Use Pmode not SImode for clarity.
3365 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3366 [UNSPEC]: New, handling what we killed above.
3367 [PLUS]: Detect and abort on invalid symbol arithmetic.
3368 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3370 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3372 * alias.c: Include output.h.
3373 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3374 different if we're in a varargs function.
3375 * Makefile.in (alias.o): Depend on output.h
3377 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3379 * sh.h (GIV_SORT_CRITERION): Delete.
3381 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3383 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3384 * stupid.c (stupid_life_analysis): Ditto.
3385 * reload1.c (reload): Ditto.
3387 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3389 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3390 arith_double_4096_operand, arith_double_add_operand): New
3392 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3393 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3394 them to transform add/sub 4096 into add/sub -4096.
3396 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3398 * loop.c (scan_loop): Allocate some slop to handle pseudos
3399 generated by move_movables.
3400 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3403 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3405 * tree.def (DECL_RESULT): Correct documentation.
3407 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3409 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3410 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3411 conflicts will all RELOAD_FOR_OUTPUT reloads.
3413 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3414 loads the function result, substitute with a USE.
3416 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3418 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3419 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3420 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3421 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3422 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3423 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3425 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3426 'o' to 'm' for GPR variant constraints.
3428 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3430 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3432 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3434 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3435 when the source and destination overlap.
3437 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3438 clash with global type.
3440 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3442 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3444 * c-common.c (combine_strings): Also set TREE_READONLY.
3445 Change warn_write_strings to flag_const_strings.
3446 * c-decl.c, c-tree.h: Likewise.
3448 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3450 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3451 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3452 sequence, use SET/IOR instead so CSE can see it.
3453 * config/sparc/sparc.md (movhi_const64_special,
3454 movsi_const64_special): New patterns necessitated by that change.
3455 (movhi_high): Remove.
3456 (movhi_lo_sum): Change to match an IOR.
3457 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3458 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3459 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3460 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3461 registers are involved.
3462 (snesi_zero_extend split): Remove reload_completed test.
3463 (unnamed plus and minus zero_extend sidi splits): Add it.
3465 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3467 * extend.texi: Remove description of extension to explicit
3468 instantiation that is now endorsed by standard C++.
3470 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3472 * config/arc/arc.c (arc_initialize_pic): Remove.
3473 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3474 nothing on any platform and is invoked by no-one, it does not even
3475 appear in the documentation.
3476 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3477 * config/sparc/sparc.c (initialize_pic): Likewise.
3478 (find_addr_reg): Remove this as well, no longer referenced after
3481 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3483 * recog.c (validate_replace_rtx_group): New function.
3484 * recog.h (validate_replace_rtx_group): Declare it.
3485 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3486 the entire group of substitutions.
3488 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3490 * loop.c (load_mems): Fix initializers.
3492 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3494 * config/sparc/sparc.md (TFmode splits): Handle destination
3495 registers being referenced in the address correctly.
3497 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3498 TREE_UNSIGNED, when bitsize of type's mode is larger than
3499 HOST_BITS_PER_WIDE_INT.
3501 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3503 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3504 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3505 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3507 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3510 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3512 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3513 * h8300.h (TINY_DATA_NAME_P): Likewise.
3514 (STRIP_NAME_ENCODING): Handle '&'.
3516 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3517 register (it could be accessed via an outer SUBREG).
3518 (REG_OK_FOR_BASE_P): Likewwise.
3519 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3521 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3524 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3526 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3528 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3529 must be offsettable so the splits can be made.
3531 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3533 * config/i386/winnt.c: Include system.h, not stdio.h to get
3534 sys/param.h pulled in before rtl.h in case the system defines MIN
3537 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3539 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3541 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3543 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3545 * cpplib.c (cpp_define): Handle macros with parameters.
3547 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3549 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3550 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3551 and DImode 64-bit. Use llong for minimal-toc SFmode and
3552 SYMBOL_REF / LABEL_REF 64-bit.
3553 (output_function_profiler): Use llong for profiler label and ld to
3554 load 64-bit label address.
3556 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3558 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3561 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3563 * version.c: Bump for snapshot.
3565 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3567 * version.c: Bump for snapshot.
3569 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3571 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3573 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3575 * tm.texi (Misc): Fix typo "teh".
3577 * tm.texi (PIC): Fix typo "PPIC".
3579 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3580 effect when -O2 and higher.
3581 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3583 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3585 * regclass.c: Changed register set documentation to be consistent
3588 * final.c (final_start_function) Removed redundant test for
3591 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3593 * rtl.h (rtx_function): New type.
3594 (for_each_rtx): New function.
3595 * rtlanal.c (for_each_rtx): Define it.
3597 * recog.c (change_t): New type.
3598 (change_objects, change_old_codes, change_locs, change_olds):
3600 (changes): New variable.
3601 (validate_change): Dynamically allocate room for more changes, if
3602 necessary. Uses changes array instead of change_objects, etc.
3603 (apply_change_group): Use changes array instead of
3604 change_objects, etc.
3606 * loop.c (loop_mem_info): New type.
3607 (loop_mems): New variable.
3608 (loop_mems_idx): Likewise.
3609 (looop_mems_allocated): Likewise.
3610 (scan_loop): Remove nregs parameter.
3611 (next_insn_in_loop): New function.
3612 (load_mems_and_recount_loop_regs_set): Likewise.
3613 (load_mems): Likewise.
3614 (insert_loop_mem): Likewise.
3615 (replace_loop_mem): Likewise.
3616 (replace_label): Likewise.
3617 (INSN_IN_RANGE_P): New macro.
3618 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3619 (scan_loop): Remove nregs parameter, compute it after any new
3620 registers are created by load_mems. Use INSN_IN_RANGE_P and
3621 next_insn_in_loop rather than expanding them inline. Call
3622 load_mems to load memory into pseudos, if appropriate.
3623 (prescan_loop): Figure out whether or not there are jumps from the
3624 loop to targets other than the label immediately following the
3625 loop. Call insert_loop_mem to notice all the MEMs used in the
3626 loop, if it could be safe to pull MEMs into REGs for the duration
3628 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3630 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3632 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3634 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3636 * config/sparc/sparc.c (finalize_pic): Check for the correct
3637 nonlocal_goto_receiver UNSPEC number.
3638 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3639 making note of this dependency existing in sparc.c
3640 (negtf2_notv9 split): Give NEG SFmode.
3641 (negsf2): Fix insn output string.
3643 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3645 * c-common.c (decl_attributes): Issue an error if the argument
3646 to alias is not a string.
3648 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3650 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3651 pending memory flush list.
3653 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3655 (try_combine): Allow combining insns with REG_LIBCALL notes.
3657 * expr.c (emit_block_move): Do not call memcpy as a libcall
3658 instead build up a CALL_EXPR and call it like any other
3660 (clear_storage): Similarly for memset.
3662 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3665 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3668 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3669 and REG_LIVE_LENGTH as successful substitutions are made.
3671 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3673 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3674 statement after end of loop label.
3676 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3678 * config/sparc/sparc.c (ultra_types_avail): New variable.
3679 (ultra_build_types_avail): New function to record mask of insn
3680 types in ready list at this cycle.
3681 (ultrasparc_sched_reorder): Call it.
3682 (ultra_find_type): Use it to quicken the search. Also simplif
3683 dependency check, don't use rtx_equal_p because we know exactly
3684 what we are looking for.
3686 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3688 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3689 for architecture v4.
3691 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3693 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3695 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3696 movdf_const_intreg and helper splits): New patterns to move float
3697 constants into integer registers.
3698 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3701 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3704 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3706 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3708 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3709 a BASE_REGS register is needed as an intermediate when copying
3710 a symbolic value into any register class other than BASE_REGS.
3712 * expr.c (move_by_pieces): No longer static. Remove prototype.
3713 * rtl.h (move_by_pieces): Add extern prototype.
3714 * mips.c (expand_block_move): Handle aligned straight line copy by
3715 calling move_by_pieces.
3717 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3720 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3722 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3723 jumps out of the loop to be treated as part of the exit test.
3725 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 Jeff Law <law@cygnus.com>
3728 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3729 * cplus-dem.c: Delete.
3731 * Makefile.in (fold-const.o): depend on $(RTL_H).
3733 * fold-const.c: Include rtl.h to get the prototype for
3734 `set_identifier_local_value'.
3736 * loop.c (express_from_1): Remove unused variable `tmp'.
3737 (combine_givs): cast the first argument of bzero to char *.
3739 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3741 * c-decl.c (init_decl_processing): Remove unneeded &.
3743 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3745 * except.c (set_exception_lang_code, set_exception_version_code):
3746 Change parameter from `short' to `int' to avoid using a gcc
3749 * except.h (set_exception_lang_code, set_exception_version_code):
3750 Likewise for prototypes.
3752 * flow.c (count_reg_references): Remove unused variables `regno'
3755 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3757 * prefix.c (translate_name): Cast the result of `alloca'.
3759 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
3761 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3763 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
3765 (valid_dbcc_comparison_p): Mark mode argument as unused.
3766 (symbolic_operand): Likewise.
3767 (legitimize_pic_address): Likewise.
3768 (const_uint32_operand): Likewise.
3769 (const_sint32_operand): Likewise.
3770 * sched.c [!INSN_SCHEDULING]: Define only dummy function
3771 schedule_insns and comment out rest of file.
3773 * m68k.c (output_move_simode_const): Use subl to move a zero into an
3775 (output_move_[hq]imode): Likewise.
3777 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
3779 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
3780 * invoke.texi: Corresponding changes.
3782 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
3784 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
3786 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3788 * config/sparc/sparc.c (ultra_code_from_mask,
3789 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3790 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
3791 ultrasparc_sched_init, ultrasparc_variable_issue,
3792 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
3793 functions to describe UltraSPARC pipeline exactly to Haifa.
3794 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
3795 as there is nothing the scheduler can do about it. Indicate that
3796 REG_DEP_OUTPUT's collide. Fixup formatting.
3797 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
3798 divide costs on Ultra for DImode.
3799 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
3801 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
3802 ieuN and add call_no_delay_slot to type list.
3803 (cti function unit): New unit for branches on UltraSPARC.
3804 (subx/addx insns): Set type to misc.
3805 (sidi zero/sign extension insns on arch64): Set type to shift.
3806 (sign_extendhidi2_insn): Set type to sload.
3808 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
3810 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
3811 (output_epilog): Use if != 0 for offset.
3812 (rs6000_fatal_bad_address): Prepare for Intl.
3813 * rs6000.h (rs6000_fatal_bad_address): Declare.
3814 * rs6000.md (movsfcc, movdfcc): Use else if.
3815 (elf_high): Use {liu|lis}.
3816 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
3817 (movsi): Use rs6000_fatal_bad_address.
3819 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
3821 * reload.c (find_equiv_reg): Reject equivalences separated
3822 by a volatile instruction.
3824 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3826 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
3828 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
3830 * alpha.md (movsicc): Fix mode mismatch.
3832 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
3834 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
3836 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
3838 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3840 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
3841 write-only modifier from operand 1 constraint.
3843 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3845 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
3846 emitting a XOR of -1 at the end, emit a NOT instead for combine's
3848 (sparc_emit_set_const64): Likewise, also when computing trailing
3849 bits do not negate low_bits and make fast_int an int.
3851 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
3853 * loop.c (add_label_notes): Do not ignore references to labels
3854 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
3855 * gcse.c (add_label_notes): Similarly.
3857 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
3859 * m68k.md (adddi_dilshr32): One of the operands must be a register.
3860 (adddi_dishl32): Similarly.
3862 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
3864 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
3865 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
3866 * cse.c (cse_basic_block): Add parens to shut up warnings.
3868 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3870 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
3871 sparc_emit_set_const64_longway, const64_is_2insns,
3872 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
3873 in 64-bit constant formation.
3874 * config/sparc/sparc.md (snesi_zero_extend split): Generate
3875 rtl for addx not subx.
3876 (define_insn movdi_const64_special): Make available even when
3877 HOST_BITS_PER_WIDE_INT is not 64.
3878 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
3879 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
3880 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
3881 instances of operand 1 inside a QI subreg.
3882 (xordi3_sp64_dbl): Remove '%' constraint for op1.
3883 (one_cmpldi2_sp64): Fix output string.
3884 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
3886 (unnamed arch64 ashift DI): Truncate shift count if greater than
3889 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3891 * expr.c (store_expr): Don't optimize away load-store pair
3892 when either source or destination have a side effect.
3894 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
3896 * genrecog.c (add_to_sequence): Fatal error if the modes of the
3897 operands of SET are incompatible.
3899 * alpha.md: Fix max and min patterns so modes of SET operands match.
3901 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
3903 * configure.in: Avoid [[ by using test and changequote.
3904 * configure: Rebuild.
3906 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3908 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
3910 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
3911 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
3912 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
3913 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
3914 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
3915 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
3916 Fix mismatching modes in SET operands.
3917 (conditional move patterns): Fix formatting.
3918 (unnamed subx arch64 pattern): Remove duplicate insn.
3920 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3922 * config/sparc/sparc.c (const64_operand, const64_high_operand):
3923 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
3924 (input_operand): Fixup test for what we accept for constant
3926 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
3928 (safe_constDI): Remove.
3929 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3930 gen_safe_XOR64): New functions.
3931 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
3932 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
3934 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
3935 available when HOST_BITS_PER_WIDE_INT is not 64.
3936 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
3937 move before movdi_insn_sp64 pattern.
3938 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
3939 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
3940 symbolic_operand as predicate for second operand.
3941 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
3942 expander): Give set VOIDmode.
3944 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3946 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
3948 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
3950 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
3952 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
3954 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
3956 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
3958 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
3960 * install.texi: Various SCO OpenServer tweaks.
3962 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
3964 * reload1.c (eliminate_regs_in_insn): Handle another case when
3965 eliminating the frame pointer to the hard frame pointer. Add
3966 missing ep->to_rtx check to one existing case.
3968 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
3970 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3972 * tree.h: De-conditionalize init_priority code.
3974 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
3975 * collect2.c (NM_FLAGS): Change from -p to -n.
3977 * configure.in: Turn on collect2 for mipstx39-elf.
3978 Handle use_collect2=no properly.
3980 * c-common.c: De-conditionalize init_priority code.
3981 * collect2.c (extract_init_priority, sort_ids): New fns.
3982 (main): Call sort_ids.
3983 Move sequence_number to file scope.
3985 * configure.in: Handle --enable-init-priority.
3986 * c-common.c (attrs): Add A_INIT_PRIORITY.
3987 (init_attributes, decl_attributes): Likewise.
3988 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
3989 * tree.c (get_file_function_name_long): Split out...
3990 (get_file_function_name): ...from here.
3992 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
3994 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
3997 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
3999 * toplev.c (display_help): Add braces to shut up warnings.
4000 * tree.c (simple_cst_equal): Likewise.
4002 * fold-const.c (non_lvalue): Don't deal with null pointer
4004 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4006 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4007 of any size to a pointer.
4009 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4011 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4013 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4015 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4016 which will be saved.
4017 * mn10300.md (prologue insn): Only save registers which need saving.
4018 (epilogue insn): Similarly.
4020 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4023 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4025 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4026 VAR_DECL's in gp addressable sections.
4028 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4030 * sparc.c: Change return <exp> to <exp>; return; in functions
4032 * sparc.md: Add empty semicolon statement after final label in
4035 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4037 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4038 addx_extend_sp64, only allow when TARGET_ARCH64.
4039 (define_insn addx_extend_sp32 and split): Version that works when
4041 (define_insn subx_extend): Likewise.
4042 (define_split adddi3 and subdi3 with zero extension): Fixup and
4043 correct bugs when not TARGET_ARCH64.
4045 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4047 * except.c (set_exception_lang_code, set_exception_version_code):
4048 Use prototype-style definition if __STDC__, to match declaration
4051 * genemit.c: Change FAIL and DONE macros not to use loops.
4053 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4055 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4056 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4058 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4060 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4062 * README.g77: Update from Craig.
4064 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4066 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4068 (safe_constDI sparc_emit_set_const64_quick1,
4069 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4070 analyze_64bit_constant, const64_is_2insns,
4071 create_simple_focus_bits): Fix some bugs when compiled on real
4073 (function_arg_record_value_3, function_arg_record_value_2,
4074 function_arg_record_value): Add fully prototyped forward decls.
4075 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4076 to cmpsi_insn and use on both 64 and 32 bit targets.
4077 (define_insn cmpsi_insn_sp64): Remove.
4078 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4079 (define_insn zero_extendsidi2_insn): Rename to
4080 zero_extendsidi2_insn_sp64.
4081 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4082 assosciated forced split for it.
4084 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4086 * config/sparc/sparc.h: Declare them.
4087 (PREDICATE_CODES): Add them.
4088 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4089 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4091 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4093 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4094 in v9 case as the latter makes the Solaris assembler crash.
4096 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4098 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4099 for TFmode when !v9. We require offsettable memory addresses.
4100 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4101 DFmode register number conversions.
4102 * config/sparc/sparc.md (define_split DFmode moves): If register
4103 is a SUBREG do alter_subreg on it before using.
4104 (define_expand movtf): Fixup comment about alignment on v9.
4105 (define_split TFmode moves): Don't use gen_{high,low}part, create
4106 explicit SUBREGs instead.
4108 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4110 * Makefile.in (mbchar.o): Depend on mbchar.c.
4112 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4113 Richard Henderson <rth@cygnus.com>
4115 Rewrite Sparc backend for better code generation and
4116 improved sparc64 support.
4117 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4119 * config/sparc/sysv4.h: Likewise.
4120 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4121 move_operand, v8plus_regcmp_op, emit_move_sequence,
4122 singlemove_string, doublemove_string, mem_aligned_8,
4123 output_move_double, output_move_quad, output_fp_move_double,
4124 move_quad_direction, output_fp_move_quad, output_scc_insn):
4126 (small_int_or_double): New predicate.
4127 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4128 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4129 old pic_{sethi,lo_sum}_si patterns.
4130 (mem_min_alignment): New generic function to replace
4131 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4132 available and can test for arbitrary alignments. All callers
4134 (save_regs, restore_regs, build_big_number,
4135 output_function_prologue, output_cbranch, output_return,
4136 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4137 sparc_flat_output_function_epilogue): Prettify
4139 (output_function_epilogue): Likewise and add code to output
4140 deferred case vectors.
4141 (output_v9branch): Likewise, add new arg INSN and use it to tack
4142 on branch prediction settings. All callers changed.
4143 (print_operand): Likewise and output %l44 for LO_SUMs when
4145 (sparc_splitdi_legitimate): New function to make sure DImode
4146 splits can be run properly when !arch64.
4147 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4148 Reformat example code in comments.
4149 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4150 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4151 of deferred case vectors we need to output.
4152 (sparc_defer_case_vector): Record a case vector.
4153 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4154 sparc_output_deferred_case_vectors): New functions to output them.
4155 (sparc_emit_set_const32): New function to form 32-bit constants in
4156 registers when that requires more than one instruction.
4157 (safe_constDI, sparc_emit_set_const64_quick1,
4158 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4159 analyze_64bit_constant, const64_is_2insns,
4160 create_simple_focus_bits, sparc_emit_set_const64): New functions
4161 which do the same for 64-bit constants when arch64.
4162 (sparc_emit_set_symbolic_const64): New function to emit address
4163 loading for all code models on v9.
4164 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4165 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4166 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4167 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4168 inaccuracies in comments, add symbolic and text_segment operands
4169 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4170 GENERAL_REGS in these cases as a temp REG is needed to load these
4171 addresses into a register properly.
4172 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4174 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4175 quads are guarenteed to have 16-byte alignment.
4176 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4177 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4178 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4179 deferred case vector implementation.
4180 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4181 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4182 Generate "internal label - label" instead of "label - 1b".
4183 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4184 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4185 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4187 (doublemove_string, output_block_move, output_fp_move_double,
4188 output_fp_move_quad, output_move_double, output_move_quad,
4189 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4190 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4191 (sparc_emit_set_const32, sparc_emit_set_const64,
4192 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4193 mem_min_alignment, small_int_or_double): Add externs.
4194 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4195 UNSPEC_VOLATILE in this backend.
4196 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4197 unary to types which execute in it.
4198 (define_function_unit ieu_shift): Rename to ieu0.
4199 (define_function_unit ieu1): New, executes compare, call, and
4200 uncond_branch type insns.
4201 (define_function_units for type fdivs, fdivd, fsqrt): These
4202 execute in the fpu multiply unit not the adder on UltraSparc.
4203 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4204 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4205 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4206 allows the arith_double_operand predicate and rHI constraint when
4208 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4209 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4210 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4211 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4212 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4213 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4214 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4215 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4216 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4217 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4218 sign_extendqihi2_insn, sign_extendqisi2_insn,
4219 sign_extendqidi2_insn, sign_extendhidi2_insn,
4220 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4221 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4222 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4223 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4224 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4225 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4226 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4227 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4228 smulsi3_highpart_v8plus, unnamed subreg mult,
4229 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4230 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4231 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4232 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4233 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4234 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4235 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4236 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4237 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4238 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4239 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4240 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4241 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4242 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4243 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4244 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4245 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4246 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4247 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4248 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4249 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4250 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4251 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4252 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4253 call_address_untyped_struct_value_sp32,
4254 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4255 call_value_symbolic_sp32, call_value_address_sp64,
4256 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4257 flush_register_windows, goto_handler_and_restore,
4258 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4259 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4260 return_addsi, return_di, return_adddi, return_sf, all call+jump
4261 peepholes, trap, unnamed trap insns): Prettify output strings.
4262 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4263 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4264 Likewise and force + implement splits for integer cases.
4265 (define_insn return_sf_no_fpu): Likewise and allow to match when
4266 no-fpu because of our subreg SFmode splits.
4267 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4268 zero_extendqidi2_insn, zero_extendhidi2_insn,
4269 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4270 input_operand for second operand.
4271 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4272 reg_or_0_operand for operand 2 so new splits can use it.
4273 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4274 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4276 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4277 CONST_DOUBLEs for operand 2.
4278 (define_insn move_label_di): Likewise and label distance
4279 optimization because it no longer works with new deferred case
4280 vector scheme. To be revisited.
4281 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4282 and allow reg_or_0_operand and J constraint for second operand.
4283 (define_insn jump): Set branch predict taken on V9.
4284 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4285 new deferred case vector scheme.
4286 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4287 (define_insn negdi2_sp32): Force + implement splits.
4288 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4289 one_cmplsi2_not_liveg0 respectively, and create expander of original
4290 names which emit special rtl for TARGET_LIVE_G0.
4291 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4292 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4293 gen_compare_reg, FAIL instead.
4294 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4295 values when trying to reverse condition codes, if they FAIL then
4297 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4298 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4299 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4300 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4301 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4302 set output string to # to indicate they are mandatory splits.
4303 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4304 pic_sethi_di, move_pic_label_si): Remove.
4305 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4306 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4308 (define_expand movsi_pic_label_ref, define_insn
4309 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4310 expander and insns to handle PIC label references and deferred
4312 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4314 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4315 Rewrite to not use emit_move_sequence, make use of new constant
4316 formation code, and new splits for all multi-insn cases.
4317 (define_insn movqi_insn): Remove sethi case, it can never happen.
4318 Use reg_or_zero_operand instead of const0_rtx explicit test,
4319 use input_operand instead of move_operand for source, and use
4320 general_operand now for dest.
4321 (define_insn movhi_insn): Similar but leave sethi case.
4322 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4323 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4324 movhi_lo_sum respectively, prettify output string.
4325 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4326 register when needed on TARGET_LIVE_G0.
4327 (define_insn movsi_insn): Use general_operand and input_operand
4328 for dest and src respectively. Simplify applicability test.
4329 Prettify output strings, and add clr alternative for J
4331 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4332 deprecated std and reg-reg DI moves): Remove and...
4333 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4334 implementation which uses forced splits for all non-single insn
4336 (define_split DI move cases on !arch64): New splits to handle all
4337 situations of 64-bit double register DImode on 32bit, and
4338 unaligned registers and memory addresses for all subtargets.
4339 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4341 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4342 input_operand for dest and src respectively, prettify output
4344 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4345 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4347 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4348 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4349 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4350 movtf_no_e_insn_sp64) Replace with new
4351 implementation which uses forced splits for all non-single insn
4353 (define_split DF move cases): New splits in similar vein to DI
4355 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4356 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4357 movdi_sp64_insn): Remove old v9 code model and constant loading
4359 (define_insn pic_lo_sum_di, pic_sethi_di,
4360 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4361 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4362 embmedany_sethi, embmedany_losum, embmedany_brsum,
4363 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4364 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4365 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4366 scheme, using unspecs, secondary reloads, and one to one sparc
4367 insn to rtl insn mapping for better scheduling and code gen.
4368 (define_expand reload_indi, reload_outdi): Reload helpers for
4369 MEDANY and EMBMEDANY symbol address loading cases which require a
4371 (define_expand movsicc): Remove v8plus_regcmp cases.
4372 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4373 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4374 cmp_diqi_trunc_set): New patterns used by some of the new scc
4376 (define_insn xordi3_sp64_dbl): New pattern used for constant
4377 formation when crossing from 32-bit targets.
4378 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4380 (define_insn addx, subx): Make visible and prettify.
4381 (define_insn adddi3_insn_sp32): Likewise and force split.
4382 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4383 64bit scc split usage.
4384 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4385 zero_extend, subdi3): Force and implement splits.
4387 * final.c (final_scan_insn): Don't output labels if target
4388 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4391 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4392 don't forget to walk inside SEQUENCESs too as these are what the
4393 delay slot scheduler will create.
4395 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4397 * alpha.md (extxl+1,+2): New patterns to work around
4400 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4402 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4403 caused bad assembly code to be generated.
4405 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4407 * netbsd.h: Fix typo.
4409 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4411 * config.sub: Fix typo.
4413 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4415 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4417 (Running Protoize): Typo: Change "ther" into "other".
4419 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4421 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4422 * m68k/netbsd.h: Likewise.
4423 * ns32k/netbsd.h: Likewise.
4424 * sparc/netbsd.h: Likewise.
4426 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4428 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4429 * ginclude/va-clipper.h (va_list): Likewise.
4431 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4433 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4434 load/store multiple instructions unless user overrides.
4436 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4438 * ns32k/netbsd.h: Fix typo.
4440 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4442 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4443 labels with .debugsym if no parallel insns.
4445 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4447 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4448 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4450 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4452 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4453 (AR_FOR_TARGET): Define.
4455 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4457 * dyn-string.h: New file.
4458 * dyn-string.c: Likewise.
4459 * Makefile.in (OBJS): Add dyn-string.o.
4460 (dwarf2out.o): Add dyn-string.h dependency.
4461 (dyn-string.o): List dependencies.
4462 * dwarf2out.c: Include dyn-string.h.
4463 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4464 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4465 prototype. Use dyn_string_append rather than strcat, throughout.
4466 (addr_to_string): Use dyn_string_t.
4468 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4470 Function entry/exit profiling instrumentation:
4471 * expr.h (profile_function_entry_libfunc,
4472 profile_function_exit_libfunc): Declare new variables.
4473 * optabs.c: Define them here.
4474 (init_optabs): Initialize them.
4475 * tree.h (struct tree_decl): New flag
4476 no_instrument_function_entry_exit.
4477 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4478 * c-decl.c (duplicate_decls): Merge it.
4479 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4480 (init_attributes): Use it for "no_instrument_function".
4481 (decl_attributes): Handle it, for functions that have not yet been
4482 compiled. Set decl flag.
4483 * flags.h (flag_instrument_function_entry_exit): Declare new
4485 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4486 (f_options): New option "instrument-functions".
4487 * function.h (struct function): New field instrument_entry_exit.
4488 * function.c (current_function_instrument_entry_exit): New
4490 (push_function_context_to, pop_function_context_from): Save and
4492 (expand_function_start): Set current_ variable, maybe emit return
4493 label and entry profile call.
4494 (expand_function_end): Maybe emit exit profile call.
4496 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4498 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4499 NON_QI_REG_P, pretend the register is SImode.
4501 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4503 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4504 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4505 manufacturer id for ns32k.
4506 * configure: Regenerated.
4507 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4508 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4509 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4510 * config/m68k/netbsd.h: Same.
4511 * config/ns32k/netbsd.h: Same.
4512 * config/sparc/netbsd.h: Same.
4514 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4516 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4517 or UNROLL_COMPLETELY loop that starts with a jump to its
4520 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4522 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4523 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4524 (print_operand, case 'B'): Don't fall through.
4525 (print_operand, case 'S'): Correct mask begin/end computation.
4526 Use HOST_BITS_PER_WIDE_INT.
4527 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4528 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4529 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4530 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4532 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4534 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4535 constraint from second alternative.
4537 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4539 * configure.in: Fix --without/--disable cases for local-prefix,
4540 gxx-include-dir and checking.
4542 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4544 * configure.in (enable_haifa): Set by default for sparc64 too.
4547 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4549 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4550 * i386/winnt.c (associated_type): New fn.
4551 (i386_pe_valid_type_attribute_p): New fn.
4552 (i386_pe_check_vtable_importexport): Remove.
4553 (i386_pe_dllexport_p): Use associated_type.
4554 (i386_pe_dllimport_p): Likewise.
4556 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4557 * i386.c (i386_valid_type_attribute_p): Also accept
4558 attributes for METHOD_TYPEs.
4560 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4562 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4564 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4566 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4568 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4569 them from generating a new base name for each occurence of
4572 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4574 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4576 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4580 * cplus-dem.c (type_kind_t): New type.
4581 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4582 on this paramter, rather than demangling the type again.
4583 (demangle_integral_value): Pass tk_integral.
4584 (demangle_template_: Pass the value returned from do_type.
4585 (do_type): Return a type_kind_t. Pass tk_integral to
4586 demangle_template_value_parm for array bounds.
4587 (demangle_fund_type): Likewise.
4589 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4591 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4594 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4596 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4598 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4600 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4602 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4605 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4607 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4608 (DEBUGGER_ARG_OFFSET): Likewise.
4610 * mn10300.md (movsf): Remove last change. Not needed.
4612 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4614 * c-lex.c (yylex): Fix boundary conditions in character literal and
4615 string literal loops.
4617 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4619 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4620 being invoked incorrectly.
4622 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4623 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4625 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4626 * configure.in: Added i[34567]86-*-win32
4627 * config.sub: Ditto.
4628 * configure: Rebuilt.
4630 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4632 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4633 the frame pointer and compiling PIC code and reload has not completed.
4635 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4638 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4640 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4642 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4644 * Makefile.in (install-info): Only try to update the info
4645 directory file if it exists in the first place.
4647 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4649 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4651 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4653 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4654 CONST_DOUBLE source.
4656 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4658 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4659 strings as the insertion of USER_LABEL_PREFIX.
4660 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4662 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4665 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4667 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4668 already defined type.
4670 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4672 * expr.c (check_max_integer_computation_mode): Allow conversions
4673 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4674 (expand_expr): Likewise.
4676 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4678 * expr.c (expand_expr): Expand RETURN_EXPR.
4680 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4682 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4684 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4686 * dwarf2out.c (output_aranges): Call stripattributes
4687 for TEXT_SECTION references.
4688 (output_line_info): Likewise.
4690 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4692 * profile.c (branch_prob): Call allocate_reg_info after outputting
4693 profile rtl in instrument_arcs.
4695 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4697 * fixinc.irix (math.h): Install wrapper instead of copying.
4699 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4701 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4702 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4703 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4704 lang_flag_0. Added documentation in the flag table.
4706 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4708 * cccp.c (do_include): Fix vax c style include handling.
4710 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4712 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4714 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4716 * fold-const.c (non_lvalue): Don't deal with null pointer
4718 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4720 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4722 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4723 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4724 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4725 (u_short_cint_operand): Same.
4726 (reg_or_cint_operand): Same.
4727 (logical_operand): Same.
4728 (input_operand): Same.
4729 (reg_or_short_operand): Use u_short_cint_operand.
4731 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4733 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4734 but keep the insns and splits. Adjust so when the ultimate destination
4735 is memory, use cvtql.
4737 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4739 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4741 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4743 * gcc.c (do_spec): Call "error" not "warning".
4745 * configure.in: Fix minor problems with gas feature detection code.
4746 * configure: Rebuilt.
4748 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4751 * gcc.c: Delete %[spec] support.
4752 (do_spec_1, case '('): Likewise.
4753 (do_spec_1, case '['): Call error.
4755 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4757 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
4758 (CPP_SUBTARGET_SPEC): Default to empty string.
4759 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
4760 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
4761 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
4762 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
4764 * alpha/linux.h (CPP_PREDEFINES): Tidy.
4765 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
4766 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
4767 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
4768 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
4769 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
4770 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
4771 * alpha/vxworks.h: Likewise.
4773 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
4775 * mips.md (reload_outsi): Added missing REGNO call.
4776 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
4778 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
4779 another match_operator and compare the codes.
4781 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
4783 * MIPS multiply pattern fixes:
4784 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4785 Add union classes for HI, LO, or HILO plus general registers.
4786 (GENERATE_MADD): Deleted.
4787 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
4788 Add TARGET_MAD to condition.
4789 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
4790 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
4791 "*d" for accumulator, to give preference to LO initially but not
4794 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
4796 * configure.in (enable_c_mbchar): New configure option.
4797 (extra_cpp_objs): Always available now.
4799 * cexp.y (mbchar.h): #include it.
4800 (yylex): Handle Multibyte characters in character literals.
4802 * cccp.c (mbchar.h): #include it.
4803 (main): Set character set based on LANG environment variable.
4804 (rescan): Handle multibyte characters in comments.
4805 (skip_if_group): See above.
4806 (validate_else): See above.
4807 (skip_to_end_of_comment): See above.
4808 (macarg1): See above.
4809 (discard_comments): See above.
4810 (rescan): Handle multibyte characters in string and character literals.
4811 (collect_expansion): See above.
4812 (skip_quoted_string): See above.
4813 (macroexpand): See above.
4814 (macarg1): See above.
4815 (discard_comments): See above.
4816 (change_newlines): See above.
4818 * c-lex.c (mbchar.h): #include it.
4819 (GET_ENVIRONMENT): New macro.
4820 (init_lex): Set character set based on LANG environment variable.
4821 (yylex): Handle multibyte characters in character literals.
4822 (yylex): Handle multibyte characters in string literals.
4824 * Makefile.in (mbchar.o): New target.
4825 (cccp$(exeext)): @extra_cpp_objs@ is always available.
4826 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
4828 * mbchar.[ch]: New files for multibyte character handling.
4830 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4832 * jump.c (jump_optimize): When simplifying noop moves and
4833 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
4834 the PUSHes to rewrite in second loop as we did in the first.
4836 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4838 * cplus-dem.c (demangle_nested_args): Make function definition
4839 static to match the prototype.
4841 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
4843 * alloca.c: Respect USE_C_ALLOCA.
4844 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
4845 * gengenrtl.c (xmalloc): Likewise.
4847 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
4849 * loop.h (struct induction): Add no_const_addval.
4850 * loop.c (the_movables, reg_address_cost): New variables.
4851 (init_loop): Init reg_address_cost.
4852 (loop_optimize): Call end_alias_analysis.
4853 (scan_loop): Init the_movables.
4854 (record_giv): Init induction->no_const_addval.
4855 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
4856 [REG]: Rearrange loop search test to catch more cases.
4857 (general_induction_var): Return success not benefit; take an extra
4858 argument for that. Change all callers.
4859 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
4860 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
4861 [default]: Search the_movables for additional combinations.
4862 (sge_plus_constant, sge_plus): New functions.
4863 (express_from_1): New function.
4864 (express_from): Always define. Rewrite using express_from_1.
4865 (combine_givs_p): Handle more cases. Ignore address cost.
4866 (cmp_combine_givs_stats): New function.
4867 (combine_givs_used_once, combine_givs_benefit_from): New functions.
4868 (combine_givs): Rewrite to do best-fit combination.
4870 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
4871 (fold): Do a complete (A*C)+(B*C) association check.
4873 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
4875 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
4877 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
4879 * mn10300.c (MODES_TIEABLE_P): Fix typo.
4881 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
4883 * tree.c (valid_machine_attribute): Only create a new type variant if
4884 there is a decl to use it.
4886 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
4888 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
4891 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
4893 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
4896 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
4898 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
4899 Simplify tests for clearing an address register.
4900 (expand_prologue): Corresponding changes.
4902 * mn10300.md (movXX patterns): Make sure the destination is an
4903 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
4904 (logical patterns): Split into expanders + patterns
4905 (zero and sign extension patterns): Similarly.
4906 (shift patterns): Similarly.
4908 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
4910 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
4911 for the sequence, recording base values.
4913 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
4915 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
4917 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
4919 * gcc.c: Remove ANSI-C ism from --help code.
4921 * toplev.c: Support --help with USE_CPPLIB.
4923 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
4925 * configure.in: Rework gas feature code to work with symlink based
4928 * extend.texi: Clarify some issues related to local variables
4929 assigned to explicit registers.
4931 * mn10300.md (mulsi): Turn into expander + pattern.
4933 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
4936 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
4938 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
4940 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
4942 * version.c: Bump again to distinguish mainline tree from the
4945 See ChangeLog.0 for earlier changes.
4948 add-log-time-format: current-time-string
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