1 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3 * reorg.c (steal_delay_list_from_target) Check for insns that
4 modify the condition codes and effect the direction of the jump
7 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
9 * function.c (purge_addressof_1): Replace call to
10 emit_insns_before() with emit_insn_before().
12 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
14 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
16 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
20 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
22 * loop.c (scan_loop): Be more selective about what invariants are
25 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
27 * version.c: Bump for snapshot.
29 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
31 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
32 static eh_context structure.
34 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
36 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
38 (try_combine): Don't update max_scratch.
39 * flow.c (max_scratch, num_scratch): Delete variables.
40 (life_analysis_1): Don't initialize max_scratch.
41 (propagate_block): Don't update max_scratch.
42 (mark_set_1): Don't increment num_scratch.
43 * regs.h (max_scratch): Delete declaration.
45 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
47 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
48 is nonzero. This is temporary!
50 * sched.c (update_flow_info): Handle death notes made invalid by
51 instruction splitting. Partially reverts Oct 15, 1998 patch.
52 * haifa-sched.c (update_flow_info): Likewise.
54 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
56 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
57 if it has a nonzero DECL_INITIAL.
59 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * Makefile.in (flow.o): Depend on recog.h.
63 * cpplib.h (directive_table): Add missing initializiers.
64 (finclude): Change type of variable `bsize' to size_t.
66 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
68 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
70 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
71 `int' when comparing against one.
72 (cpp_file_line_for_message): Mark parameter `pfile' with
74 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
76 * flow.c: Include recog.h.
77 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
79 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
80 `f' with ATTRIBUTE_UNUSED.
81 (reposition_prologue_and_epilogue_notes): Likewise.
83 * genopinit.c (gen_insn): Cast argument of ctype functions to
86 * haifa-sched.c: Include recog.h.
87 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
88 comparing against one.
90 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
92 * mips-tfile.c (parse_end): Cast the argument of ctype function to
94 (parse_ent): Likewise.
95 (parse_input): Likewise.
97 * optabs.c (init_libfuncs): Likewise.
99 * protoize.c (find_rightmost_formals_list): Likewise.
101 * recog.h (const_double_operand): Fix typo in prototype.
103 * tlink.c (scan_linker_output): Cast the argument of ctype
104 function to `unsigned char'.
106 * toplev.c (check_lang_option): Cast the result of `strlen' to
107 `int' when comparing against one.
110 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
112 * gcse.c (dump_cuid_table): Correct typo.
114 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
116 * toplev.c (display_help): Prepend '-m' to target specific
118 (check_lang_option): Ignore text after end of first word of a
119 language specific option.
121 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
123 * reload1.c (reg_used_by_pseudo): New static variable.
124 (choose_reload_regs): Initialize it.
125 Use it instead of testing spill_reg_order to determine whether a
126 pseudo is live in a hard register across the current insn.
127 Fix a typo in a reference to reload_reg_rtx.
129 * flow.c (propagate_block): Replace code that computes and uses
130 regs_sometimes_live with simpler code that just walks the set of
131 currently live registers.
133 * Makefile.in (insn-extract.o): Fix dependencies.
134 * genextract.c (main): Generate includes for insn-config.h and
136 Delete generation of declarations which are now in recog.h.
137 * genrecog.c (main): Delete generation of definitions which are
139 * local-alloc.c (block_alloc): Use extract_insn and the variables
140 it sets up instead of looking up values by insn_code.
141 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
142 recog_dup_num): Define here instead of generating the definition in
144 (recog_n_operands, recog_n_dups, recog_n_alternatives,
145 recog_operand_mode, recog_constraints, recog_operand_address_p):
147 (extract_insn): New function.
148 * recog.h (extract_insn): Declare function.
149 (which_alternative, recog_n_operands, recog_n_dups,
150 recog_n_alternatives, recog_operand_mode, recog_constraints,
151 recog_operand_address_p): Declare variables.
152 * regclass.c (n_occurrences): New static function.
153 * reload.c (n_occurrences): Delete function.
154 (find_reloads): Use extract_insn.
155 * reload.h (n_occurrences): Delete declaration.
157 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
159 * reload1.c (reload_as_needed): Fix test for when to call
160 update_eliminable_offsets.
162 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
164 Fix consistency problems with reg_equiv_{mem,address};
165 Improve reload inheritance;
167 * reload.c (reload_out_reg): New variable.
168 (loc_mentioned_in_p, remove_address_replacements): New functions.
169 (remove_replacements): Deleted.
170 (push_reload): Set reload_out_reg[i].
171 When merging, also set reload_{in,out}_reg[i], and remove
172 duplicate address reloads.
173 (combine_reloads): Copy reload_out_reg[i].
174 (find_reloads): Do make_memloc substitution also when
175 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
177 Include *recog_operand_loc in commutativity operand changes.
178 Generate optional output reloads.
179 Delete reference to n_memlocs. Don't set *recog_operand_loc before
180 processing operands. Call make_memloc in reg_equiv_address code.
181 Set *recog_operand_loc only after processing operands, and only
182 if replace is true. Return a value.
183 When changing address reload types for operands that didn't get
184 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
185 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
186 Don't emit USEs for pseudo SUBREGs when not replacing.
187 (find_reloads_address): Do make_memloc substitution also when
188 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
190 (find_reloads_toplev): Likewise.
191 Call make_memloc in reg_equiv_address code.
192 (debug_reload_to_stream): Add code to output reload_out_reg.
193 (make_memloc): Delete local variable i, ifdefed out code, and
194 references to memlocs and n_memlocs.
195 (memlocs, n_memlocs): Delete.
196 (push_secondary_reload): Clear reload_out_reg.
197 (find_reloads_address_1): Provide memrefloc argument to all calls
198 to find_reloads_address.
199 In AUTO_INC code, handle non-directly addressable equivalences properly.
200 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
201 (find_reloads): Add return type.
202 (remove_address_replacements, deallocate_reload_reg): Declare.
203 * reload1.c (num_not_at_initial_offset): No longer static.
204 (delete_address_reloads, delete_address_reloads_1): Likewise.
205 (deallocate_reload_reg): New function.
206 (spill_reg_stored_to): New array.
207 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
208 (eliminate_regs_in_insn): Move assignments of previous_offset and
209 max_offset fields, and recalculation of num_not_at_initial_offset
210 into new static function:
211 (update_eliminable_offsets) .
212 (reload_as_needed): Call update_eliminable_offsetss after calling
214 Call forget_old_reloads_1 with contents of reloaded auto_inc
215 expressions if the actual addressing can't be changed to match the
217 (choose_reload_regs): For inheritance, replace
218 reload_reg_free_before_p test with reload_reg_used_at_all test, and
219 remove stand-alone reload_reg_used_at_all test.
220 Use reload_out_reg to determine which reload regs have output reloads.
221 Treat reload_override_in more similar to inherited reloads.
222 Handle (subreg (reg... for inheritance.
223 For flag_expensive_optimizations, add an extra pass to remove
224 unnecessary reloads from known working inheritance.
225 Delete obsolete code for pseudos replaced with MEMs.
226 Handle inheritance from auto_inc expressions.
227 (emit_reload_insns): If reload_in is a MEM, set OLD to
229 Don't reload directly from oldequiv; if it's a pseudo with a
230 stack slot, use reload_in[j].
231 Check that reload_in_reg[j] is a MEM before replacing reload_in
232 from reg_reloaded_contents.
233 Include non-spill registers in reload inheritance processing.
234 Also try to use reload_out_reg to set spill_reg_store /
236 In code to set new_spill_reg_store, use single_set to find out if
237 there is a single set.
238 Add code that allows to delete optional output reloads.
239 Add code to allow deletion of output reloads that use no spill reg.
240 At the end, set reload_override_in to oldequiv.
241 Also call delete_output_reload if reload_out_reg is equal to old
243 Add code to call delete_output_reload for stores with no matching load.
244 Set / use spill_reg_stored_to.
245 Handle case where secondary output reload uses a temporary, but
246 actual store isn't found.
247 When looking for a store of a value not loaded in order to call
248 delete_output_reload, count_occurences should return 0 for no
249 loads; but discount inherited input reloadill_reg_stored_to.
250 Do checks for extra uses of REG. Changed all
252 Use delete_address_reloads.
253 (reload): Take return value of find_reloads into account.
254 If a no-op set needs more than one reload, delete it.
255 (reload_reg_free_before_p): RELOAD_FOR_INPUT
256 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
257 for the same operand.
258 (clear_reload_reg_in_use): Check for other reloads that keep a
260 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
261 RELOAD_FOR_OPADDR_ADDR.
262 Take into account when an address address reload is only needed
263 for the address reload we are considering.
264 (count_occurrences): Use rtx_equal_p for MEMs.
265 (inc_for_reload): Return instruction that stores into RELOADREG.
266 New argument two, IN, and rtx. Changed all callers.
267 (calculate_needs_all_insns, reload_as_needed):
268 Don't clear after_call for a CLOBBER.
269 Keep track of how many hard registers need to be copied from
270 after_call, and don't clear after_call before we have seen
271 that much copies, or we see a different instruction.
273 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
275 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
276 after reload has completed.
278 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
280 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
281 a macro name and the next token with a single blank if that whitespace
282 is in a macro buffer and the next token is not '('.
284 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
286 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
288 (skip_if_group): Ditto.
289 (skip_to_end_of_comment): Ditto.
291 (discard_comments): Ditto.
292 (change_newlines): Ditto.
294 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
296 * c-lex.c (yylex): Fix unaligned access of wchar_t.
299 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
301 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
302 (TARGET_OPTIONS): Add --help documentation.
304 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
306 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
308 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
310 * fixinc/* Moved in from ../contrib directory in preparation
311 for integrating it into the normal build process. In particular,
312 fixinc/Makefile.in must be config-ed into the build directory
313 as fixinc/Makefile. Proposed patches to ./Makefile.in and
314 ./configure.in will be "in the mail" momentarily.
316 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
318 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
319 accidently walk into the free list. Comment how that can happen.
320 (invalidate): Fix indentation.
322 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
323 Jeffrey A Law (law@cygnus.com)
325 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
326 reload. Never perform rescans of the insn chain after reload.
327 (propagate_block): Do not delete insn or create new autoinc addressing
330 * jump.c (jump_optimize): Unconditionally use the code that was
331 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
332 * reload1.c (reload): When reloading is finished, delete all
333 REG_DEAD and REG_UNUSED notes.
334 (emit_reload_insns): Delete all code that was conditional on
335 PRESERVE_DEATH_INFO_REGNO_P.
336 (no_longer_dead_regs): Delete variable.
337 (reload_cse_delete_death_notes): Delete function.
338 (reload_cse_no_longer_dead): Delete function.
339 (reload_cse_regs_1): Delete all code to handle deletion of death
341 (reload_cse_noop_set_p): Likewise.
342 (reload_cse_simplify_set): Likewise.
343 (reload_cse_simplify_operands): Likewise.
344 (reload_cse_move2add): Likewise.
345 * reorg.c (used_spill_regs): Delete declaration.
346 (max_label_num_after_reload): Delete declaration.
347 (find_dead_or_set_registers): Don't assume that spill regs are
348 dead at a CODE_LABEL.
349 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
351 * sched.c (sched_analyze_insn): Likewise.
352 (update_flow_info): Likewise.
353 * haifa-sched.c (sched_analyze_insn): Likewise.
354 (update_flow_info): Likewise.
355 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
356 * toplev.c (max_label_num_after_reload): Delete variable.
357 (rest_of_compilation): Don't set max_label_num_after_reload.
358 Call life_analysis after reload_cse_regs if optimizing.
359 * config/gmicro/gmicro.h: Delete comment referring to
360 PRESERVE_DEATH_INFO_REGNO_P.
361 * config/i386/i386.h: Likewise.
362 * config/m88k/m88k.h: Likewise.
363 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
364 * config/sh/sh.h: Likewise.
366 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
368 * loop.c (strength_reduce): Restore marking bct_p as
370 * rs6000.c (optimization_options): Change #ifdef HAIFA to
371 HAVE_decrement_and_branch_on_count.
372 (small_data_operand): Remove TARGET_ELF condition for marking
373 parameters ATTRIBUTE_UNUSED.
375 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
377 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
378 (SELECT_SECTION): Resync with svr4.h.
380 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
382 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
385 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
387 * c-pragma.c (handle_pragma_token): Test for null tree before
388 dereferencing TREE_CODE.
390 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
392 * config/c4x/c4x.c: Convert to use GEN_INT.
393 (c4x_parallel_process): Rework to handle new repeat loop structure.
395 * config/c4x/c4x.md: Convert to use GEN_INT.
396 (rptb_end): Convert to use GE test. Replace uses with clobbers.
397 (decrement_and_branch_on_count): Likewise.
399 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
400 loop.c has the desired functionality.
401 (rc_reg_operand): New prototype.
403 * config/c4x/t-c4x: Can now build all front ends.
405 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
407 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
409 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
411 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
412 * config/t-rtems: Do not install assert.h -- use newlib's.
414 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
416 * combine.c (combine_instructions): When finished, call init_recog.
417 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
419 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
421 * toplev.c: If flag_syntax_only, don't open or write assembler file.
423 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
425 * cppalloc.c (memory_full): Mark function prototype with
428 * demangle.h (collect_exit): Likewise.
430 * fix-header.c (v_fatal, fatal): Likewise.
432 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
435 * gcov.c (print_usage): Likewise.
437 * genattr.c (fatal, fancy_abort): Likewise.
439 * genattrtab.c (fatal, fancy_abort): Likewise.
441 * gencodes.c (fatal, fancy_abort): Likewise.
443 * genconfig.c (fatal, fancy_abort): Likewise.
445 * genemit.c (fatal, fancy_abort): Likewise.
447 * genextract.c (fatal, fancy_abort): Likewise.
449 * genflags.c (fatal, fancy_abort): Likewise.
451 * genopinit.c (fatal, fancy_abort): Likewise.
453 * genoutput.c (fatal, fancy_abort): Likewise.
455 * genpeep.c (fatal, fancy_abort): Likewise.
457 * genrecog.c (fatal, fancy_abort): Likewise.
459 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
460 __sjpopnthrow, __throw): Likewise.
462 * objc/objc-act.c (objc_fatal): Likewise.
464 * protoize.c (usage, aux_info_corrupted,
465 declare_source_confusing): Likewise.
467 * rtl.c (dump_and_abort): Likewise.
469 * rtl.h (sets_cc0_p): Likewise.
471 * toplev.c (float_signal, pipe_closed): Likewise.
473 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
475 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
476 when generating the decision tree for the general case.
478 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
479 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
481 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * Makefile.in (sched.o): Depend on recog.h.
485 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
486 (unsigned) when comparing against one.
487 (find_base_value): Likewise.
488 (record_base_value): Cast variable `regno' to (unsigned) when
489 comparing against one. Cast the result of REGNO() macro to
490 (unsigned) when comparing against one.
491 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
493 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
494 variable where an unsigned index is needed.
496 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
497 before comparing against one.
499 * collect2.c: Add prototypes for functions `error', `fatal' and
500 `fatal_perror'. Make these functions take variable arguments
501 instead of faking it with a fixed number of args.
502 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
505 * combine.c (can_combine_p): Mark parameter `pred' with
507 (find_split_point): Cast variable `src' to (unsigned
508 HOST_WIDE_INT) when comparing against one.
509 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
510 (simplify_logical): Likewise.
511 (force_to_mode): Cast result of INTVAL() macro to (unsigned
512 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
513 HOST_WIDE_INT) in shift.
514 (simplify_and_const_int): Cast result of INTVAL() macro to
515 `unsigned HOST_WIDE_INT' when comparing against one.
516 (merge_outer_ops): Cast variable const0 to `unsigned
517 HOST_WIDE_INT' when comparing against the result of
518 GET_MODE_MASK() macro.
519 (simplify_comparison): Likewise for variable `c0'. Cast variable
520 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
521 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
522 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
523 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
524 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
525 comparing against one.
526 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
528 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
529 macro to `unsigned HOST_WIDE_INT' when comparing against one.
530 (output_block_move): Cast `sizeof' expression to (int) when
531 comparing against one.
532 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
534 (save_restore_insns): Cast `base_offset' to `long' to match format
535 specifier in fprintf.
537 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
538 to `enum machine_mode'.
540 * flow.c (life_analysis_1): Remove unused variable `insn'.
542 * gcc.c (translate_options): Move variables `j' and `k' into the
543 scope in which they are used. Change their types to `size_t'.
544 (set_spec): Cast the argument of ctype macro to `unsigned char'.
545 (read_specs): Likewise.
546 (process_command): Cast `sizeof' to (int) when comparing against one.
547 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
548 (handle_braces): Cast both sides of `==' expression to `long' to
549 ensure sign matching.
550 (main): Cast variable `i' to `int' when comparing against one.
552 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
553 int to size_t. Cast variable `i' to size_t when comparing against
556 * genattrtab.c (convert_set_attr_alternative): Remove unused
557 parameter `insn_code'. All callers changed.
558 (convert_set_attr): Likewise.
560 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
561 size_t when comparing against one. Likewise for variable `len'.
563 * global.c (global_alloc): Cast variable `max_regno' to size_t
564 when comparing against one. Likewise for variable `max_allocno'.
566 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
568 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
569 `set' with ATTRIBUTE_UNUSED.
570 (find_free_reg): Cast `sizeof' expression to (int) when comparing
573 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
574 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
575 (get_condition): Cast variable `const_val' to `unsigned
576 HOST_WIDE_INT' when comparing against one. Cast unsigned
577 expression to HOST_WIDE_INT when comparing against one.
578 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
579 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
580 `unsigned' when comparing against one.
582 * protoize.c (is_id_char): Change type of parameter `ch' to
584 (munge_compile_params): Cast argument of ctype macro to (const
586 (process_aux_info_file): Cast variable `aux_info_size' to int when
587 comparing against one.
588 (forward_to_next_token_char): Cast argument of ctype macro to
589 `const unsigned char'.
590 (edit_formals_lists): Likewise.
591 (find_rightmost_formals_list): Likewise.
592 (add_local_decl): Likewise.
593 (add_global_decls): Likewise.
594 (edit_fn_definition): Likewise.
595 (do_cleaning): Likewise.
596 (scan_for_missed_items): Likewise.
597 (edit_file): Cast variable `orig_size' to (int) when comparing
599 (main): Cast argument of ctype macro to `const unsigned char'.
601 * recog.c (const_int_operand): Mark parameter `mode' with
604 * regclass.c (record_reg_classes): Change type of variable `c' to
605 `unsigned char'. Cast `char' array index to `unsigned char'.
607 * reload.c (push_secondary_reload): Cast argument to
608 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
610 * reload1.c (calculate_needs): Cast `char' array index to
612 (set_label_offsets): Change type of variable `i' to unsigned int.
613 Cast result of XVECLEN() macro to unsigned when comparing against
615 (mark_not_eliminable): Change type of variable `i' to unsigned.
616 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
617 when comparing against one.
618 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
619 comparing against one.
620 (choose_reload_regs): Hide unused label `fail'.
621 (reload_cse_simplify_operands): Cast `char' array index to
623 (reload_combine_note_store): Mark parameter `set' with
624 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
626 (reload_cse_move2add): Remove unused variable `src2'.
628 * sched.c: Include recog.h.
629 (sched_note_set): Remove unused parameter `b'. All callers
631 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
632 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
633 when comparing against one.
635 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
636 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
637 comparing against one.
639 * unroll.c (precondition_loop_p): Remove unused parameter
640 `loop_end'. All callers changed.
642 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
644 * reload1.c (maybe_fix_stack_asms): New static function.
647 * reload.h (compute_use_by_pseudos): Declare.
649 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
650 (something_needs_reloads): Delete variable.
651 (finish_spills): New function.
652 (compute_use_by_pseudos): New function.
654 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
655 Use the reload_insn_chain instead of walking the rtl directly.
657 (reload): Allocate and free spilled_pseudos.
658 Ensure that all calls of spill_hard_reg are followed by a call to
660 Use the insns_need_reload list instead of something_needs_reloads
661 to find out if reload_as_needed must be called.
662 Clear unused_insn_chains at the end.
664 (calculate_needs_all_insns): Lose FIRST parameter. All callers
666 Delete code to keep track of current basic block.
667 Walk reload_insn_chain instead of the rtl structure. Build the
668 insns_need_reload chain.
669 Remember which insns need reloading/elimination by setting the
670 appropriate fields in struct insn_chain, not by putting modes on the
673 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
674 arg INSN. All callers changed.
675 Delete declaration of struct needs.
676 Don't set something_needs_reloads.
677 Record insn needs in the CHAIN argument.
679 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
681 (reload_as_needed): Lose FIRST arg. All callers changed.
682 Walk the reload_insn_chain instead of the rtx structure.
683 Delete code to keep track of current basic block.
684 Rename one of the NEXT variables to OLD_NEXT.
686 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
688 (choose_reload_regs): Likewise.
690 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
693 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
694 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
695 (hard_regs_live, hard_regs_need_restore): Delete variables.
696 (n_regs_saved): Now static.
697 (referenced_regs, this_insn_sets): New variables.
699 (setup_save_areas): Restructure the code a bit.
701 (restore_referenced_regs): Delete function.
702 (mark_referenced_regs): New function, similar to the old
703 restore_referenced_regs, but mark registers in referenced_regs.
705 (clear_reg_live): Delete function.
706 (mark_set_regs): Renamed from set_reg_live. All callers changed.
707 Only mark registers in this_insn_sets.
709 (save_call_clobbered_regs): Rework this function to walk the
710 reload_insn_chain instead of using the list of instructions directly.
711 Delete code to keep track of register lives, compute live regs on the
712 fly from information in the chain.
713 Instead of calling restore_referenced_regs, use mark_referenced_regs,
714 then walk the set it computes and call insert_restore as appropriate.
716 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
718 Restructure the code a bit. Test hard_regs_saved instead of
719 hard_regs_need_restore.
720 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
721 args. All callers changed.
722 Restructure the code a bit. Use TO_SAVE to determine which regs to
723 save instead of more complicated test.
724 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
726 Create a new insn_chain structure for the new insn and place it
729 * rtl.texi: Update documentation to reflect that reload no longer
730 puts modes on the insns.
732 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
734 * function.c (purge_addressof_1): Force the first argument of a
737 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
739 * rtl.h: Delete duplicate prototypes. Add some missing
741 * rtlanal.c: (for_each_rtx): Formatting tweak.
743 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
745 * real.c (emdnorm and etoasc): Disable round to even for c4x target
746 to be compatible with TI compiler.
748 * Makefile.in (USER_H): Add va-c4x.h to definition.
750 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
752 * function.c (purge_addressof_1): Fix typo in inequality: do
753 bitfield optimization for equal mode sizes.
754 * expmed.c (store_bit_field): Don't take subregs of subregs in
755 the movstrict case. Tidy a potential problem in the multi-word case.
756 (extract_bit_field): Likewise.
758 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
760 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
762 Compute max_uid_for_flow by calling get_max_uid after the scan.
763 (find_basic_blocks_1): Don't emit NOPs here.
765 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
767 * alias.c (base_alias_check): Accept new args for the modes of the
768 two references. Use them to determine if an AND can overlap. Update
770 (memrefs_conflict_p): Assume sizes are aligned, and uses them
771 to determine if an AND can overlap.
773 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
775 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
776 check. Add comment to document problems with TARGET_SUN_FPA version
778 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
780 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
782 * Makefile.in (gencheck.o): Depend on gansidecl.h.
784 * c-common.c (print_char_table): Add missing initializers.
785 (scan_char_table): Likewise.
786 (time_char_table): Likewise.
788 * c-decl.c (c_decode_option): Mark parameter `argc' with
790 (declare_parm_level): Mark parameter `definition_flag' with
793 * c-lex.c (readescape): Use `(unsigned)1' in shift.
794 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
797 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
799 (emit_call_1): Mark parameters `fndecl' and `funtype' with
801 (expand_call): Cast result of MIN() to (unsigned int) when
802 comparing against an unsigned value.
804 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
806 (make_definition): Remove unused parameter `op'. All callers
808 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
809 comparing against the result of pointer arithmetic.
811 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
812 when comparing against one.
814 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
815 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
817 (output_die): Move variable `i' into the scope in which it is
818 used. Change its type to `unsigned'.
819 (output_die): Cast the result of `strlen' to (int) when passing it
820 to ASM_OUTPUT_ASCII().
821 (output_pubnames): Likewise.
822 (output_line_info): Likewise.
824 * emit-rtl.c (global_rtl): Add missing initializers.
826 * explow.c (promote_mode): Mark parameter `for_call' with
829 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
830 `unsigned HOST_WIDE_INT' when comparing against one.
831 (synth_mult): Change type of variable `cost' to int.
832 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
834 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
835 when comparing against one.
836 (get_inner_reference): Change variable `alignment' to unsigned.
837 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
838 int) when comparing against one.
839 (expand_builtin_setjmp): Change type of variable `i' to size_t.
841 * fold-const.c (div_and_round_double): Cast BASE to
842 (HOST_WIDE_INT) when comparing against one.
844 * gencheck.c: Include gansidecl.h.
845 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
847 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
848 `tcode' with ATTRIBUTE_UNUSED.
850 * real.c (edivm): Cast constant value to (unsigned long) in
851 expression compared against an unsigned value.
853 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
854 comparing against one.
855 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
856 when comparing against one.
858 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
859 (unsigned int) when comparing against one. Likewise for
861 (smallest_mode_for_size): Likewise.
862 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
863 (restore_storage_status): Likewise.
865 * toplev.c (debug_args): Add missing initializer.
866 (f_options): Spelling correction. Add missing initializers.
867 (documented_lang_options): Likewise.
868 (debug_end_source_file): Mark parameter `lineno' with
871 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
872 `decl' and `type' with ATTRIBUTE_UNUSED.
874 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
875 when comparing against one.
876 (assemble_variable): Mark parameter `top_level' with
878 (assemble_external_libcall): Mark parameter `fun' with
880 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
883 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
885 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
886 Replace use of r5 with use of r19.
888 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
890 * config/v850/v850.c (compute_register_save_size): Allow for the
891 fact that helper functions save all registers, not just those used
894 Replace constant 31 with macro LINK_POINTER_REGNUM.
896 * config/v850/v850.md: Use 'indirect_operand' rather than
897 'memory_operand' for bit test/set/clear patterns.
899 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
901 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
902 * varasm.c (assemble_start_function et al): Don't call
903 ASM_GLOBALIZE_LABEL for weak symbols.
905 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
907 * cse.c (equiv_constant): Check for NULL return from
908 gen_lowpart_if_possible().
910 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
912 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
914 * collect2.c (main): Pass -EL/-EB through to the compiler.
916 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
918 * expr.c (push_block): Handle targets where the stack grows
919 to higher addresses, but args grow to lower addresses and
920 ACCUMULATE_OUTGOING_ARGS is not defined.
922 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
924 * config/v850/v850.c (print_operand): Extend meaning
925 of 'c' operands to support .vtinherit.
927 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
929 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
930 Added ATTRIBUTE_UNUSED to unused function arguments.
931 (rc_reg_operand): New predicate.
932 (c4x_rptb_insert): New function.
933 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
934 (c4x_optimization_options): New function.
936 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
937 (decrement_and_branch_on_count): New pattern.
938 (rptb_top): Modified pattern to work with BCT optimization.
940 * config/c4x/c4x.h (RC_REG): New register class.
941 (rc_reg_operand): Define prototype.
942 (IS_RC_REG): New macro.
943 (IS_RC_OR_PSEUDO_REG): New macro.
944 (IS_RC_OR_PSEUDO_REGNO): New macro.
945 (OPTIMIZATION_OPTIONS): Define.
947 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
949 * collect2.c (extract_init_priority): No priority is 65535.
951 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
953 * Makefile.in (build_tooldir): new variable, same as old
954 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
955 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
956 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
958 * configure.in (gxx_include_dir): set default based on unlibsubdir
959 * Makefile.in (tooldir): ditto
960 (cccp.o, cpplib.o): use unlibsubdir implicitly through
961 gxx_include_dir, includedir and tooldir
962 (protoize.o, unprotoize.o): ditto
964 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
966 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
968 * config/arm/thumb.c (thumb_override_options): Add warning about
969 PIC code not being supported just yet.
971 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
973 * flow.c: Update comment.
974 (notice_stack_pointer_modification): New static function.
975 (record_volatile_insns): Use it.
976 (mark_regs_live_at_end): Mark the stack pointer as alive
977 at the end of the function if current_function_sp_is_unchanging
979 (life_analysis_1): Set current_function_sp_is_unchanging.
980 * function.c: Define it.
981 (init_function_start): Initialize it.
982 * output.h: Declare it.
983 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
984 the stack pointer as alive at the end of the function if
985 current_function_sp_is_unchanging is set.
986 * i386.c (ix86_epilogue): Optimize the restoring
987 of the stack pointer.
989 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
991 * version.c: Bump for snapshot.
993 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
995 * c-pragma.c (handle_pragma_token): If passed a token instead
996 of a tree, use that as the pack value.
998 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1000 * flow.c (find_basic_blocks_1): Fix prototype.
1002 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1004 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1005 (struct tree_decl): New fields no_check_memory_usage.
1006 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1007 (init_attributes): Register it as a new attribute.
1008 (decl_attributes): Set flags on functions given that attribute.
1009 * c-decl.c (duplicate_decls): Merge new attribute.
1010 * expr.h (current_function_check_memory_usage): Declare new var.
1011 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1012 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1013 current_function_check_memory_usage.
1014 * function.h: Add field to struct function.
1015 * function.c (current_function_check_memory_usage): Define it.
1016 (push_function_context_to, pop_function_context_from): Save and
1018 (expand_function_start): Set it, based on global flag and function
1021 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1022 check non-automatic variables, to permit detection of writes to
1023 read-only locations in embedded systems without memory management.
1024 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1025 when emitting chkr_set_right_libfunc call, even if the argument is
1026 BLKmode or variable-sized; don't abort.
1028 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1029 symbols in Pmode, not VOIDmode.
1031 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1033 * cppexp.c: When forcing unsigned comparisons, cast both sides
1036 * cpphash.h: Move static declaration of hashtab[]...
1037 * cpphash.c: ...here.
1039 * cpplib.c: Cast difference of two pointers to size_t before
1040 comparing it to size_t. Cast signed to unsigned
1041 before comparing to size_t. (FIXME: struct argdata should use
1042 unsigned buffer sizes.)
1043 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1044 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1045 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1046 size_t before comparison.
1048 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1050 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1051 (find_basic_blocks_1): Similarly.
1052 * output.h (find_basic_blocks): Fix prototype.
1053 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1054 find_basic_blocks anymore.
1056 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1058 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1059 (sbitmap_free, sbitmap_vector_free): New macros.
1060 * output.h (rtl_dump_file): Declare.
1062 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1064 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1066 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1070 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1071 (divide): Remove unused variable `tmp'.
1072 (si_to_float): Cast numeric constant to (SItype) before comparing
1075 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1077 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1078 * gcc.c (add_preprocessor_option): Correct typo when allocating
1079 memory, sizeof() argument had one too many `*'.
1080 (add_assembler_option): Likewise.
1081 (add_linker_option): Likewise.
1082 * gcov.c (output_data): Likewise.
1083 * local-alloc.c (memref_used_between_p): Likewise.
1084 (update_equiv_regs): Likewise.
1085 * loop.c (strength_reduce): Likewise.
1086 * reg-stack.c (record_asm_reg_life): Likewise.
1087 (subst_asm_stack_reg): Likewise.
1088 * reorg.c (dbr_schedule): Likewise.
1090 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1092 * flow.c (life_analysis_1): Break out some functions.
1093 (find_basic_blocks_1): Likewise. Also move some variables out and
1095 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1096 new static var nonlocal_label_list with it.
1097 (active_eh_region, nested_eh_region, label_value_list,
1098 nonlocal_label_list): New static variables.
1099 (make_edges, delete_unreachable_blocks, delete_block): New static
1100 functions, broken out of find_basic_blocks_1.
1101 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1102 noop_move_p): New static functions, broken out of life_analysis_1.
1104 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1106 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1107 Take extra care for op0 now possibly being a subreg.
1108 (extract_bit_field): Likewise.
1109 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1110 the reg to memory if there is no equal sized integral mode.
1111 * stor-layout.c (int_mode_for_mode): New function.
1112 * machmode.h: Prototype it.
1114 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1116 * global.c (build_insn_chain): Verify no real insns exist past the
1117 end of the last basic block, then exit the loop.
1119 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1121 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1123 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1125 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1127 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1129 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1131 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1133 * flow.c (find_basic_blocks): Correctly determine when a call
1134 is within an exception region.
1136 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1138 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1140 * cpplib.h: Protect from multiple inclusions.
1141 * cpplib.c: Fix minor formatting problems.
1143 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1145 * jump.c (jump_optimize): Revert accidental patch.
1147 * Makefile.in (cpplib.o): Use unlibsubdir.
1149 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1151 * loop.c (get_condition): Allow combine when either compare is
1154 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1156 * version.c: Bump for snapshot.
1158 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1160 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1161 (init_lex): Initialize ridpointers[RID_BYREF].
1162 * c-lex.h (enum rid): Add RID_BYREF.
1163 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1164 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1165 (encode_type_qualifiers): Similarly
1166 * c-gperf.h: Rebuilt.
1168 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1170 * c-common.c (type_for_mode): Only return TItype nodes when
1171 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1172 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1173 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1174 (init_decl_processing): Only create TItype nodes when
1175 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1176 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1177 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1179 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1181 * stmt.c (n_occurrences): New static function.
1182 (expand_asm_operands): Verify that all constrains match in the
1183 number of alternatives.
1184 Verify that '+' or '=' are at the beginning of an output constraint.
1185 Don't allow '&' for input operands.
1186 Verify that '%' isn't written for the last operand.
1187 * reload.c (find_reloads): Abort if an asm is found with invalid
1188 constraints; all possible problems ought to be checked for earlier.
1190 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1192 * flags.h (flag_branch_on_count_reg): Always declare
1193 * toplev.c (flag_branch_on_count_reg): Likewise.
1194 * toplev.c: Fix typos.
1196 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1199 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1201 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1203 (find_basic_blocks_1): Add a nop to the end of a basic block when
1204 a trailing call insn does not have abnormal control flow.
1205 * gcse.c (pre_transpout): New variable.
1206 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1207 (compute_pre_transpout): Calculate it.
1208 (compute_pre_ppinout): Use it to eliminate impossible placements
1209 due to abnormal control flow through calls.
1210 (compute_pre_data): Call compute_pre_transpout.
1212 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1214 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1216 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1218 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1219 and matching define_insns): Tack on a `use' of the table label, so
1220 flow analysis will recognize a tablejump.
1222 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1224 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1225 always end basic blocks for abnormal edge reasons.
1227 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1229 * config/i386/i386.h: Remove definition of
1230 HANDLE_PRAGMA_PACK_PUSH_POP.
1232 * config/i386/go32.h: Add definition of
1233 HANDLE_PRAGMA_PACK_PUSH_POP.
1235 * config/i386/win32.h: Add definition of
1236 HANDLE_PRAGMA_PACK_PUSH_POP.
1238 * config/i386/cygwin32.h: Add definition of
1239 HANDLE_PRAGMA_PACK_PUSH_POP.
1241 * c-pragma.c (insert_pack_attributes): Do not insert
1242 attributes unless #pragma pack(push,<n>) is in effect.
1244 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1246 * expr.c (emit_group_store): Handle a PARALLEL destination.
1248 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1250 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1251 the new insns before the argument regs are loaded.
1253 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1255 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1256 (c-parse.gperf): Update comments describing invocation flags.
1257 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1259 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1261 * reload1.c (reload): Call free before clobbering the memory
1262 locations or constants pointers.
1264 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1266 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1267 for efficiency by checking whether we need to modify the current
1268 stack permission at all.
1269 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1270 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1271 __enable_execute_stack libcall here too if
1272 TRANSFER_FROM_TRAMPOLINE is defined.
1273 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1276 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1278 * Makefile.in (DRIVER_DEFINES): Remove last change.
1280 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1282 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1283 insns we're going to copy.
1284 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1286 * loop.c (count_one_set): Add prototype.
1288 * caller-save.c (restore_referenced_regs): Lose mode argument.
1289 (insert_save): Lose mode argument.
1290 (insert_restore): Lose mode argument.
1291 (insert_one_insn): Lose mode argument.
1292 (save_call_clobbered_regs): Lose mode argument.
1293 (setup_save_areas): Take no argument and return void. All callers
1295 Don't verify validity of memory addresses.
1296 * reload.h (setup_save_ares): Adjust prototype.
1297 (save_call_clobbered_regs): Likewise.
1298 * reload1.c (delete_caller_save_insns): New function.
1299 (caller_save_spill_class): Delete variable.
1300 (caller_save_group_size): Delete variable.
1301 (reload): Call setup_save_areas and save_call_clobbered_regs
1302 in the main loop, before calling calculate_needs_all_insns.
1303 Don't call save_call_clobbered_regs after the loop.
1304 Call delete_caller_save_insns at the end of an iteration if
1306 Delete code to manage caller_save_spill_class.
1307 Emit the final note before setting reload_first_uid.
1308 Simplify test that determines whether reload_as_needed gets run.
1309 (calculate_needs): Delete code to manage caller_save_spill_class.
1311 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1313 * collect2.c (main): Initialize ld_file_name.
1315 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1317 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1318 check for flag_function_sections.
1320 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1322 * cse.c (insert_regs): Fix bug in Sep 24 change.
1324 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1326 * flags.h (flag_dump_unnumbered): Declare.
1327 * toplev.c (flag_dump_unnumbered): Don't declare.
1328 * print-rtl.c (flags.h): Include.
1329 (print_rtl_single): Add return value.
1330 * rtl.h (print_rtl_single): Update declaration.
1331 * flow.c (flag_dump_unnumbered): Don't declare.
1332 (print_rtl_with_bb): Use return value of print_rtl_single.
1334 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1336 * loop.c (count_one_set): New static function, broken out of
1338 (count_loop_regs_set): Call it.
1339 * global.c (mark_reg_store): Handle clobbers here by not calling
1341 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1342 is in fact a clobber.
1343 * integrate.c (process_reg_param): New function, broken out of
1344 expand_inline_function.
1345 (expand_inline_function): Call it.
1348 * i386.md (addsidi3_1): Delete unused variable temp.
1349 (addsidi3_2): Likewise.
1350 (clstrstrsi): Delete unused variable addr1.
1352 * rtl.h: Don't declare any functions also declared in recog.h.
1354 * Makefile.in (stupid.o): Update dependencies.
1355 (global.o): Likewise.
1357 * global.c: Include reload.h
1358 (reg_becomes_live): New function.
1359 (reg_dies): New function.
1360 (build_insn_chain): New function.
1361 (global_alloc): Call build_insn_chain before calling reload.
1363 * reload.h (struct needs): New structure definition.
1364 (struct insn_chain): Likewise.
1365 (reload_insn_chain): Declare variable.
1366 (new_insn_chain): Declare function.
1369 * reload1.c (reload_startobj): New variable.
1370 (reload_insn_chain): New variable.
1371 (unused_insn_chains): New variable.
1372 (new_insn_chain): New function.
1373 (init_reload): Initialize reload_startobj, not reload_firstobj.
1374 (reload): Initialize reload_firstobj.
1375 Before returning, free everything on the reload_obstack.
1377 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1378 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1379 current_chain): New variables.
1380 (reg_where_born): Delete variable.
1381 (REG_WHERE_BORN): New macro.
1382 (find_clobbered_regs): New function.
1383 (stupid_life_analysis): Don't allocate/free reg_where_born.
1384 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1385 reg_where_dead_chain.
1386 Use REG_WHERE_BORN instead of reg_where_born.
1387 While processing the insns, build the reload_insn_chain with
1388 information about register lifetimes.
1389 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1390 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1392 Compute and information about birth and death of pseudo registers in
1393 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1394 Delete code to set elements of reg_where_born.
1396 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1398 * tree.def (GOTO_EXPR): Modified documentation.
1399 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1402 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1404 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1405 loop_final_value, loop_comparison_code): No longer static.
1406 (unroll_loop): Delete loop_start_value update.
1407 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1408 loop_final_value, loop_comparison_code): Extern.
1409 (loop_start_value): Delete extern.
1410 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1411 loop_comparison_value, loop_comparison_code): Delete.
1412 (loop_optimize): Remove initialization for deleted variables.
1413 (strength_reduce): Delete analyze_loop_iterations call. Only call
1414 insert_bct if flag_branch_count_on_reg set.
1415 (analyze_loop_iterations): Delete.
1416 (insert_bct): Remove iteration count calculation. Move checks for
1417 viable BCT optimization to here. Obtain iteration count from
1418 loop_iterations and correct for unrolling. Check for enough
1419 iteration to be beneficial. Comment out runtime iteration count
1421 (insert_bct): Print iteration count in dump file. Remove
1422 loop_var_mode and use word_mode directly.
1424 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1425 * rs6000.c (rs6000_override_options): Use it.
1426 (optimization_options): Enable use of flag_branch_on_count_reg.
1427 * rs6000.md (define_function_unit): Describe 604e.
1429 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1431 * loop.c (move_movables): Corrected threshold calculation for
1432 moved_once registers.
1434 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1436 * loop.c (combine_givs_p): Fix test for identical givs.
1438 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1440 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1441 call abort if the function is already defined.
1443 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1445 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1446 truncation is not a no-op.
1448 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1450 * version.c: Bump for snapshot.
1452 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1454 * version.c: Bump for snapshot.
1456 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1458 * expmed.c (expand_divmod): Don't widen for computing remainder
1459 if we seem to have a divmod pattern for needed mode.
1461 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1463 * cpplib.c (macroexpand): Correct off-by-one error in handling
1466 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1468 * combine.c (expand_field_assignment): Don't do bitwise operations
1469 on MODE_FLOAT; pun to MODE_INT if possible.
1471 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1472 scott snyder <snyder@d0sgif.fnal.gov>
1474 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1475 linker. Recognize mangled names in quotes.
1477 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1479 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1480 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1481 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1482 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1484 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1486 * function.c (purge_addressof_1): If trying to take a sub-word
1487 integral piece of a floating point mode, put it on the stack.
1489 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1491 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1493 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1495 * PROJECTS: Remove template friends.
1497 * collect2.c (sort_ids): Remove unused variable.
1499 * tm.texi (MATH_LIBRARY): Document.
1500 (NEED_MATH_LIBRARY): Remove.
1502 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1503 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1505 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1507 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1508 last_end to 0x7fffffff.
1510 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1512 * function.c (purge_addressof_1): Do not perform endianness
1513 corrections on bitpos, who we call will do it for us.
1515 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1517 * h8300.c (WORD_REG_USED): Fix typo.
1518 (initial_offset): Use WORD_REG_USED.
1520 * h8300.c (handle_pragma): Fix typo.
1522 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1524 * caller-save.c (insert_save_restore): Break this function up
1525 into new functions insert_restore, insert_save and insert_one_insn.
1526 All callers changed.
1527 (insert_restore): New function, mostly broken out of
1528 insert_save_restore.
1529 (insert_save): Likewise.
1530 (insert_one_insn): Likewise.
1531 (restore_referenced_regs): New argument BLOCK. All callers changed.
1532 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1533 in this function, do it in insert_one_insn instead.
1535 * reload1.c (reload): Break out some more pieces into separate
1537 (dump_needs): New function, broken out of reload.
1538 (set_initial_elim_offsets): Likewise.
1539 (init_elim_table): Likewise.
1540 (update_eliminables): Likewise.
1542 * global.c (global_alloc): Delete code to manage the scratch_list.
1543 * local-alloc.c (qty_scratch_rtx): Delete.
1544 (scratch_block): Delete.
1545 (scratch_list): Delete.
1546 (scratch_list_length): Delete.
1547 (scratch_index): Delete.
1548 (alloc_qty_for_scratch): Delete.
1549 (local-alloc): Update initialization of max_qty.
1550 Delete code to manage the scratch list.
1551 Delete code to allocate/initialize qty_scratch_rtx.
1552 (block_alloc): Don't allocate quantities for scratches.
1553 Delete code to manage the scratch list.
1554 * regs.h (scratch_list): Delete declaration.
1555 (scratch_block): Delete declaration.
1556 (scratch_list_length): Delete declaration.
1557 * reload1.c (reload): Delete code to manage the scratch list.
1558 (spill_hard_reg): Likewise.
1559 (mark_scratch_live): Delete.
1561 * recog.c (alter_subreg): Delete declaration.
1563 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1565 * Makefile.in (cccp.o): Fix typo in last patch.
1567 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1569 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1570 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1572 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1574 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1575 NULL_RTX as an argument.
1577 * Makefile.in (unlibsubdir): Define.
1578 (DRIVER_DEFINES): Use unlibsubdir.
1579 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1580 (stmp-fixinc): Similarly.
1582 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1584 * regmove.c (regmove_optimize): Add variable old_max_uid.
1585 At the end of the function, update basic_block_end.
1587 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1589 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1590 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1593 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1595 * config/arm/arm.c: Improve interworking support.
1597 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1599 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1600 copied from reload_out[r] .
1602 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1604 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1605 with more than three size ranges.
1607 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1609 * rtl.c (mode_name): Add a null string at the end of the array.
1610 (mode_wider_mode): Change type to unsigned char.
1611 (mode_mask_array): New variable.
1612 (init_rtl): Update for mode_wider_mode type change.
1614 * rtl.h (mode_wider_mode): Change type to unsigned char.
1615 (mode_mask_array): Declare.
1616 (GET_MODE_MASK): Use mode_mask_array.
1618 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1620 * calls.c (expand_call) : Encapsulate code into
1621 copy_blkmode_from_reg.
1622 * expr.c (copy_blkmode_from_reg): New function.
1623 * expr.h (copy_blkmode_from_reg): New function.
1624 * integrate.c (function_cannot_inline_p): We can inline
1626 (expand_inline_function): Use copy_blkmode_from_reg
1627 if needed. Avoid creating BLKmode REGs.
1628 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1631 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1633 * config/v850/v850.c: Add function prototypes.
1634 Add support for v850 special data areas.
1636 * config/v850/v850.h: Add support for v850 special data areas.
1638 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1639 HANDLE_PRAGMA_PACK_PUSH_POP.
1640 (push_alignment): New function: Cache an alignment requested
1641 by a #pragma pack(push,<n>).
1642 (pop_alignment): New function: Pop an alignment from the
1644 (insert_pack_attributes): New function: Generate __packed__
1645 and __aligned__ attributes for new decls whilst a #pragma pack
1647 (add_weak): New function: Cache a #pragma weak directive.
1648 (handle_pragma_token): Document calling conventions. Add
1649 support for #pragma pack(push,<n>) and #pragma pack (pop).
1651 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1652 are defined enable HANDLE_PRAGMA_PACK.
1653 Move 'struct weak_syms' here (from varasm.c).
1654 Add pragma states for push and pop pragmas.
1656 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1659 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1660 HANDLE_GENERIC_PRAGMAS.
1662 * varasm.c: Move definition of 'struct weak_syms' into
1664 (handle_pragma_weak): Deleted.
1666 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1668 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1670 * c-decl.c (start_function): Add invocation of
1671 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1673 * tm.texi: Remove description of non-existant macro
1674 SET_DEFAULT_SECTION_NAME.
1676 (HANDLE_SYSV_PRAGMA): Document.
1677 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1679 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1681 * config.sub: Recognize i[34567]86-pc-udk as new target.
1682 * configure.in: Likewise.
1683 * config/i386/t-udk: New file.
1684 * config/i386/udk.h: New file.
1686 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1688 * reorg.c (check_annul_list_true_false): Remove unused variables.
1689 (steal_delay_list_from_target): Add missing "used_annul" variable.
1690 (try_merge_delay_insns): Close out half formed comment.
1692 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1694 * cpplib.c (macroexpand): If arg->raw_before or
1695 arg->raw_after, remove any no-reexpansion escape at the
1696 beginning of the pasted token. Correct handling of whitespace
1697 markers and no-reexpand markers at the end if arg->raw_after.
1699 * toplev.c (documented_lang_options): Recognize -include,
1700 -imacros, -iwithprefix, -iwithprefixbefore.
1701 * cpplib.c (cpp_start_read): Process -imacros and -include
1702 switches at the same time and in command-line order, after
1703 initializing the dependency-output code. Emit properly nested
1704 #line directives for them. Emit a #line for the main file
1705 before processing these switches, and don't do it again
1708 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1710 * function.c (purge_addressof_1): Use bitfield manipulation
1711 routines to handle mem mode < reg mode.
1713 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1715 * reorg.c (try_merge_delay_insns): Account for resources referenced
1716 in each instruction in INSN's delay list before trying to eliminate
1717 useless instructions. Similarly when looking at a trial insn's delay
1720 * reorg.c (check_annul_list_true_false): New function.
1721 (steal_delay_list_from_{target,fallthrough}): Call it and also
1722 refine tests for when we may annul if already filled a slot.
1723 (fill_slots_from_thread): Likewise.
1724 (delete_from_delay_slot): Return newly-created thread.
1725 (try_merge_delay_isns): Use its new return value.
1727 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1729 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1730 used to compute a giv or as some other non-counting use.
1732 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1734 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1735 * local-alloc.c (find_free_reg): Use it.
1736 * global.c (find_reg): Likewise.
1737 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1739 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1740 * caller-save.c (init_caller_save): Use it.
1741 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1743 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1745 * configure.in: Add --enable-cpplib option which uses cpplib
1746 for cpp, but doesn't link cpplib into cc1. Make help text
1747 capitalization consistent.
1748 * configure: Rebuilt.
1750 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1752 * function.c (gen_mem_addressof): If the address REG is
1753 REG_USERVAR_P make the new REG be so also.
1754 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1755 in an attempt to clarify slightly.
1757 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1759 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1760 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1762 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1764 * toplev.c: Fix last patch.
1766 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1768 * loop.c (get_condition): Fix typo in May 9 change.
1770 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1772 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1774 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1776 * toplev.c (documented_lang_options): Spelling corrections.
1778 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1780 * configure.in: new flags --with-ld and --with-as, equivalent
1781 to setting LD and AS environment variables. Test whether
1782 specified arguments are GNU commands, and report them with
1783 checking messages. Use the specified AS for configure
1786 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1788 * gcc.c (find_a_file): when looking for `as' and `ld', return
1789 the DEFAULT program if it exists
1790 * collect2.c (main): use DEFAULT_LINKER if it exists
1792 * gcc.c (find_a_file): the test for existence of a full
1793 pathname was reversed
1795 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1797 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1798 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1800 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1802 * tree.h (TYPE_BINFO): Document.
1804 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1806 * i386-coff.h (dbxcoff.h): Added.
1808 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1810 * toplev.c: fix bad patch around flag_data_sections.
1812 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1814 * reload1.c (reload): Use reload_address_index_reg_class and
1815 reload_address_base_reg_class when setting
1816 caller_save_spill_class. (Patch generated by Jim Wilson:
1819 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1821 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1822 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1823 * expr.c (store_field): Add alias_set parameter. Set the
1824 MEM_ALIAS_SET accordingly, if the target is a MEM.
1825 (expand_assignment): Use it.
1826 (store_constructor_field): Pass 0.
1827 (expand_expr): Likewise.
1829 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1831 * flags.h: Add flag_data_sections.
1832 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1833 (compile_file): Error if flag_data_sections not supported.
1834 * varasm.c (assemble_variable): Handle flag_data_sections.
1835 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1836 * config/mips/elf.h: Likewise.
1837 * config/mips/elf64.h: Likewise.
1838 * invoke.texi: Describe -fdata-sections.
1840 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1842 * invoke.texi (-ffloat-store): Clarify that this option
1843 does not affect intermediate results -- only variables.
1845 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1847 * cpp.texi: Update for Fortran usage from Craig.
1849 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1851 * rs6000.c (function_arg_boundary): Revert accidental change on
1854 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1856 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1857 (output_mi_thunk): Declare.
1859 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1860 (output_function_profiler): Use r12 for temp, instead of r11 so
1861 that we preserve the static chain register.
1863 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1865 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1867 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1869 * sh.c (gen_shl_sext): Fix case 5.
1871 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1873 * reload1.c (reload_combine): Re-add line that got accidentally lost.
1875 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1877 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
1878 accessing variables until they are initialized via va_arg().
1880 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1882 * reload1.c (reload_combine): Initialize set before using.
1884 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
1886 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
1889 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
1891 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
1892 operand3 with mask before using it. Patch provided by Jim Wilson.
1894 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1896 * config/sparc/sparc.c (function_value): Perform the equivalent of
1897 PROMOTE_MODE for ARCH64.
1898 (eligible_for_epilogue_delay): Allow DImode operations in delay
1899 slot of a return for ARCH64.
1901 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1903 * sh.md (sqrtsf2): Fix mode of sqrt.
1905 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1907 * reload1.c (choose_reload_regs): Also try inheritance when
1908 reload_in is a stack slot of a pseudo, even if we already got a
1911 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
1914 (reload_cse_regs): New function body: call reload_cse_regs_1,
1915 reload_combine, reload_cse_move2add.
1916 When doing expensive_optimizations, call reload_cse_regs_1 a
1917 second time after reload_cse_move2add.
1918 (reload_combine, reload_combine_note_store): New functions.
1919 (reload_combine_note_use): New function.
1920 (reload_cse_move2add, move2add_note_store): New functions.
1922 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1924 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
1925 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
1927 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
1928 more than 3 such reloads.
1930 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
1931 RELOAD_FOR_X_ADDR_ADDR reload.
1933 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1935 * expr.c (store_constructor): When initializing a field that is smaller
1936 than a word, at the start of a word, try to widen it to a full word.
1938 * cse.c (cse_insn): When we are about to change a register,
1939 remove any invalid references to it.
1941 (remove_invalid_subreg_refs): New function.
1942 (mention_regs): Special treatment for SUBREGs.
1943 (insert_regs): Don't strip SUBREG for call to mention_regs.
1944 Check if reg_tick needs to be bumped up before that call.
1945 (lookup_as_function): Try to match known word_mode constants when
1946 looking for a norrower constant.
1947 (canon_hash): Special treatment for SUBREGs.
1949 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1951 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
1952 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
1953 defined, emit libcall to __enable_execute_stack. Also fix opcodes
1954 and offsets in actual stack trampoline code so they match the
1955 commentary and actually work.
1957 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1959 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
1961 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
1962 tmake_file. Set extra_parts to needed crt objects.
1963 * configure: Rebuilt.
1964 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
1965 (TARGET_DEFAULT): Set if default is v9 or ultra.
1966 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
1967 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
1968 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
1969 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1970 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
1971 (TARGET_VERSION): Define.
1972 (MULTILIB_DEFAULT): Define.
1973 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
1974 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
1975 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
1977 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
1978 * config/sparc/sparc.c (sparc_override_options): If arch and
1979 pointer size disagree, emit diagnostic and fix it up. If
1980 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
1981 V8PLUS in 64-bit mode.
1982 * config/sparc/t-linux64: New file.
1983 * config/sparc/t-sol2-64: New file.
1984 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
1985 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
1986 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
1987 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
1988 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
1989 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
1991 (STARTFILE_SPEC): Set approriately based upon those.
1992 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
1993 disposition of DEFAULT_ARCH32_P.
1994 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
1995 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
1996 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
1997 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
1998 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2000 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2002 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2004 * rtl.h (init_virtual_regs): New function.
2005 * emit-rtl.c (init_virtual_regs): Define.
2006 (insn_emit): Use it.
2007 * integrate.c (save_for_inline_copying): Likewise.
2009 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2011 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2012 (enum reg_class): Add NONARG_LO_REGS support.
2013 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2014 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2015 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2016 completes. Re-enable HImode REG+OFFSET addresses.
2017 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2019 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2021 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2023 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2024 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2025 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2027 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2029 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2030 jumps as a single entity, taking into account the size of the
2033 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2035 * tree.def (SWITCH_EXPR): New tree node definition.
2037 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2039 * version.c: Bump for snapshot.
2041 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2043 * version.c: Bump for snapshot.
2045 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2047 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2050 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2052 * Revert this patch.
2053 * reload.c (find_reloads): Do not replace a pseudo with
2054 (MEM (reg_equiv_addr)) in the initializing insn for the
2057 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2059 * final.c (final_scan_insn): Disable tracking CC across branches.
2061 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2063 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2064 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2065 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2066 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2067 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2069 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2071 * toplev.c (rest_of_compilation): Skip compiling anything with
2072 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2074 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2076 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2077 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2078 use in_libcall_block.
2079 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2080 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2083 Mon Sep 21 14:02:23 1998
2085 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2086 typo in no-fancy-math-387 description.
2088 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2090 * version.c: Bump for snapshot.
2092 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2094 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2096 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2098 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2099 documented in install.texi.
2100 (TARGET_OPTIONS) Likewise.
2102 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2104 * version.c: Bump for snapshot.
2106 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2108 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2109 * cccp.c (main): Likewise.
2111 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2112 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2115 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2117 * Makefile.in (LIBS): Link in libiberty.a.
2118 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2120 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2122 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2123 it to update bb boundaries. Update caller.
2124 * function.c (reposition_prologue_and_epilogue_notes): Update
2125 bb boundaries wrt the moved note.
2127 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2129 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2131 * configure: Regenerate.
2133 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2135 * alpha.c (alpha_sr_alias_set): New variable.
2136 (override_options): Set it.
2137 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2138 (mode_mask_operand): Fix signed-unsigned comparision warning.
2139 (alpha_expand_block_move): Likewise.
2140 (print_operand): Likewise.
2141 (get_aligned_mem): Use change_address.
2142 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2143 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2144 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2145 (alpha_align_insns): Remade from old alphaev5_align_insns
2146 to handle multiple processors.
2147 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2148 * output.h (label_to_alignment): Prototype.
2150 * tree.c (new_alias_set): New function.
2151 * tree.h (new_alias_set): Declare it.
2152 * c-common.c (c_get_alias_set): Use it.
2154 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2156 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2157 to an ABS expr, convert an unsigned input to signed.
2159 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2161 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2163 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2165 * configure.in: Add support for c4x targets.
2166 * configure: Rebuilt.
2168 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2170 * combine.c (distribute_notes): If an insn is a cc0 user, only
2171 delete it if we can also delete the cc0 setter.
2173 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2175 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2176 (invert_truthvalue): Enable truthvalue inversion for
2177 floating-point operands if -ffast-math.
2179 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2181 * configure.in: Disable collect2 for nextstep. Instead use
2183 * configure: Rebuilt.
2184 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2185 (ENDFILE_SPEC): Define.
2186 (OBJECT_FORMAT_MACHO): Define.
2187 (EH_FRAME_SECTION_ASM_OP): Define.
2188 * crtstuff.c: Handle MACHO.
2190 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2192 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2194 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2196 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2197 (_fpadd_parts): Get sign right for 0.
2199 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2201 * ginclude/varargs.h: Add support for C4x target.
2202 * ginclude/stdargs.h: Likewise.
2204 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2206 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2207 (alpha_emit_set_long_const): Rewrite to be callable from reload
2209 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2210 * alpha.md (movdi): Likewise.
2212 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2214 * arm.c (add_constant): New parameter address_only, change caller.
2215 Set it non-zero if taking the address of an item in the pool.
2216 (arm_reorg): Handle cases where we need the address of an item in
2219 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2221 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2222 memory addresses that are not in standard canonical form.
2224 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2226 * README.C4X: New file with information about the c4x ports.
2227 * ginclude/va-c4x.h: New file for c4x varargs support.
2228 * config/c4x: New directory with c4x port files.
2230 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2232 * reload.c (find_reloads): Do not replace a pseudo with
2233 (MEM (reg_equiv_addr)) in the initializing insn for the
2236 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2238 * toplev.c (rest_of_compilation): Set bct_p on second call to
2240 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2242 (strength_reduce): Only call analyze_loop_iterations and
2243 insert_bct if bct_p set.
2244 (check_dbra_loop): Fix typo.
2245 (insert_bct): Use word_mode instead of SImode.
2246 (instrument_loop_bct): Likewise. Do not delete iteration count
2247 condition code generation insn. Initialize iteration count before
2249 * rtl.h (loop_optimize): Update prototype.
2251 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2252 not doubleword aligned.
2254 * rs6000.c (optimization_options): New function.
2255 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2256 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2257 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2258 first; cr1 can be used for FP record condition insns.
2260 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2262 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2265 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2268 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2270 (block_move_call): New function: Call a library routine to copy a
2272 (m32r_expand_block_move): New function: Expand a "movstrsi"
2273 pattern into a sequence of insns.
2274 (m32r_output_block_move): New function: Expand a
2275 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2276 (m32r_block_immediate_operand): New function: Return true if the
2277 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2279 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2281 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2283 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2285 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2287 * regmove.c (copy_src_to_dest): Check that modes match.
2289 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2291 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2293 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2295 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2296 narrower than FLOAT_REGS.
2298 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2300 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2302 * Makefile.in (old_gxx_include_dir): removed
2304 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2306 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2309 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2310 (sh_handle_pragma): Change function arguments to match new
2311 specification for HANDLE_PRAGMA.
2313 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2317 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2318 When generating output, initialize missing struct member to zero.
2320 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2322 * regmove.c (copy_src_to_dest): Don't copy if that requires
2323 (a) new register(s).
2325 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2327 * global.c (reg_allocno): Now static.
2328 * reload1.c (reg_allocno): Delete declaration.
2329 (order_regs_for_reload): Take no arguments. Don't treat regs
2330 allocated by global differently than those allocated by local-alloc.
2332 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2334 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2335 condition, fix format strings.
2336 (output_function_epilogue): Likewise.
2338 * m68k/m68k.c: Don't include <stdlib.h> directly.
2340 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2342 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2343 mem_first_set, mem_last_set; because 0 can be a CUID.
2344 (oprs_unchanged_p): Use new definition.
2345 (record_last_reg_set_info): Likewise.
2346 (record_last_mem_set_info): Likewise.
2347 (compute_hash_table): Likewise.
2349 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2351 * rs6000.c (output_epilogue): Handle Chill.
2353 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2354 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2356 * combine.c (make_extraction): If no mode is specified for
2357 an operand of insv, extv, or extzv, default it to word_mode.
2358 (simplify_comparison): Similarly.
2359 * expmed.c (store_bit_field): Similarly.
2360 (extract_bit_field): Similarly.
2361 * function.c (fixup_var_regs_1): Similarly.
2362 * recog.c (validate_replace_rtx_1): Similarly.
2363 * mips.md (extv, extzv, insv expanders): Default modes for most
2364 operands. Handle TARGET_64BIT.
2365 (movdi_uld, movdi_usd): New patterns.
2367 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2368 equivalent memory location unless we have been provided a scratch
2369 register. Similarly do not call find_replacement unless a
2370 scratch register has been provided.
2372 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2374 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2377 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2379 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2380 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2381 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2382 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2383 * c-decl.c (init_decl_processing): Update accordingly.
2384 * expr.c (expand_builtin): Likewise.
2386 * rtl.h (global_rtl): Add cfa entry.
2387 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2388 (LAST_VIRTUAL_REGISTER): Update.
2389 * emit-rtl.c (global_rtl): Add cfa entry.
2390 (init_emit): Initialize it.
2391 * function.c (cfa_offset): New.
2392 (instantiate_virtual_regs): Initialize it.
2393 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2394 (expand_function_end): Call expand_eh_return.
2395 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2397 * except.c (current_function_eh_stub_label): Kill.
2398 (current_function_eh_old_stub_label): Likwise; update all references.
2399 (expand_builtin_set_return_addr_reg): Kill.
2400 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2401 (expand_builtin_set_eh_regs): Kill.
2402 (eh_regs): Produce a third reg for the actual handler address.
2403 (eh_return_context, eh_return_stack_adjust): New.
2404 (eh_return_handler, eh_return_stub_label): New.
2405 (init_eh_for_function): Initialize them.
2406 (expand_builtin_eh_return, expand_eh_return): New.
2407 * except.h: Update prototypes.
2408 * flow.c (find_basic_blocks_1): Update references to the stub label.
2409 * function.h (struct function): Kill stub label elements.
2411 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2412 register number is one that would be in the previous window.
2413 Provide a dummy definition for non-windowed targets.
2414 (get_reg_addr): New function.
2415 (get_reg, put_reg, copy_reg): Use it.
2416 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2417 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2419 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2420 (alpha_init_expanders): Initialize it.
2421 (alpha_expand_epilogue): Use it.
2422 * alpha.h: Declare it.
2423 * alpha.md (eh_epilogue): New.
2425 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2426 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2428 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2430 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2433 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2435 * except.h (struct eh_entry): Add false_label field.
2436 (end_catch_handler): Add prototype.
2437 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2438 (start_catch_handler): When using old style exceptions, issue
2439 runtime typematch code before continuing with the handler.
2440 (end_catch_handler): New function, generates label after handler
2441 if needed by older style exceptions.
2442 (expand_start_all_catch): No need to check for new style exceptions.
2443 (output_exception_table_entry): Only output the first handler label
2444 for old style exceptions.
2445 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2446 mechanism into one function, if a runtime matcher is provided.
2448 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2450 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2452 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2454 * integrate.c (copy_decl_list): Fix typo.
2456 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2458 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2461 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2463 * version.c: Bump for snapshot.
2465 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2467 * version.c: Bump for snapshot.
2469 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2471 * version.c: Bump for snapshot.
2473 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2475 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2477 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2479 * configure.in: remove usage of `!' to negate the result of a
2480 command; some common shells do not support it
2482 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2484 * configure.in: in sparc9-sol2 config, use 'if test' not
2486 * configure: Rebuilt.
2488 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2490 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2491 (CPP_CPU_DEFAULT_SPEC): Likewise.
2492 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2493 for arch64 libfuncs.
2495 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2498 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2500 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2502 * collect2.c: Don't declare `sys_siglist' here.
2503 (my_strsignal): Prototype and define new function. Use it in
2504 place of `sys_siglist' hacks.
2506 * mips_tfile.c: Likewise.
2508 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2509 (GCC_NEED_DECLARATIONS): Likewise.
2511 * system.h (strsignal): Prototype it, if necessary.
2512 (sys_siglist): Declare it, if necessary.
2514 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2516 * loop.c (move_movables): While removing insn sequences, preserve
2517 the next pointer of the most recently deleted insn when we skip
2520 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2522 * objc/config-lang.in: Do not output the name of the selected
2523 thread file when building the front-end. The Makefile for the
2524 runtime library will do this.
2526 * objc/Make-lang.in: Do not build the runtime library or install
2527 the Objective C header files. The Makefile for the runtime
2528 library will do this.
2530 * objc/Makefile.in (all.indirect): Only build the front-end.
2531 (compiler): Rename to `frontend'.
2532 (obj-runtime): Remove target.
2533 (copy-headers): Likewise.
2534 (clean): No need to remove `libobjc.a' any longer.
2536 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2538 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2539 supported with -mcpu=xxx.
2541 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2543 * flow.c (mark_set_1): Recognize multi-register structure return
2544 values in CALL insns.
2545 (mark_used_regs): Likewise.
2546 (count_reg_sets_1): Likewise.
2547 (count_reg_references): Likewise.
2548 * rtlanal.c (note_stores): Likewise.
2549 (reg_overlap_mentioned_p): Likewise.
2550 * haifa-sched.c (check_live_1): Likewise.
2551 (update_live_1): Likewise.
2552 (sched_analyze_1): Likewise.
2553 (sched_note_set): Likewise.
2554 (birthing_insn_p): Likewise.
2555 (attach_deaths): Likewise.
2557 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2560 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2562 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2564 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2566 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2568 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2570 * configure.in: Add check for GAS subsection -1 support.
2571 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2572 * configure config.in: Rebuilt.
2573 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2574 SImode is subsection -1 works, else use DImode.
2575 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2576 subsection -1 works.
2577 * config/sparc/sparc.c (sparc_output_addr_vec,
2578 sparc_output_addr_diff_vec): Use them if defined.
2580 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2582 * tree.h (DECL_ORIGIN): New macro.
2583 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2584 (copy_decl_list): Use it.
2585 (integrate_parm_decls): Likewise.
2586 (integrate_decl_tree): Likewise.
2587 * dwarf2out.c (decl_ultimate_origin): Simplify.
2588 * dwarfout.c (decl_ultimate_origin): Likewise.
2589 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2590 (pushdecl): Likewise.
2592 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2594 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2596 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2598 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2600 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2602 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2603 empty or has a single entry.
2605 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2606 before calling reg_to_stack.
2608 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2610 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2611 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2613 * c-tree.h (warn_long_long): Declare it.
2615 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2617 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2618 initialized float-int union if the value is a NaN.
2620 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2622 * c-lex.c (real_yylex): Don't warn about long long constants if
2623 we're allowing long long
2625 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2627 * except.h (current_function_eh_stub_label): Declare.
2628 (current_function_eh_old_stub_label): Declare.
2629 * function.h (struct function): New members eh_stub_label and
2631 * except.c (current_function_eh_stub_label): New variable.
2632 (current_function_eh_old_stub_label): New variable.
2633 (init_eh_for_function): Clear them.
2634 (save_eh_status): Save them.
2635 (restore_eh_status): Restore them.
2636 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2637 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2638 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2639 make an edge from the block that contains it to the block starting
2640 with the label if this label is one of the eh stub labels.
2641 If eh stub labels exist, show they are reachable from the last block
2644 * reload1.c (reload): Break out several subroutines and make some
2646 (calculate_needs_all_insns): New function, broken out of reload.
2647 (calculate_needs): Likewise.
2648 (find_reload_regs): Likewise.
2649 (find_group): Likewise.
2650 (find_tworeg_group): Likewise.
2651 (something_needs_reloads): New global variable, formerly in reload.
2652 (something_needs_elimination): Likewise.
2653 (caller_save_spill_class): Likewise.
2654 (caller_save_group_size): Likewise.
2655 (max_needs): Likewise.
2656 (group_size): Likewise.
2657 (max_groups): Likewise.
2658 (max_nongroups): Likewise.
2659 (group_mode): Likewise.
2660 (max_needs_insn): Likewise.
2661 (max_groups_insn): Likewise.
2662 (max_nongroups_insn): Likewise.
2663 (failure): Likewise.
2665 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2667 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2669 * loop.c (load_mems): Copy rtx for output mem.
2671 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2673 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2674 mips1 or mips2 either.
2676 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2678 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2680 (pa_adjust_insn_length): Update to work with new marking scheme
2681 for jumps inside switch tables.
2682 * pa.md (switch_jump): Remove pattern.
2683 (jump): Handle jumps inside jump tables.
2685 * Makefile.in (profile.o): Depend on insn-config.h
2687 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2689 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2691 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2693 Add preliminary native sparcv9 Solaris support.
2694 * configure.in: Recognize sparv9-*-solaris2*
2695 * configure: rebuilt
2696 * config.sub: Recognize sparcv9 just like sparc64.
2697 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2698 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2699 32-bit and 64-bit Solaris systems.
2700 * config/sparc/t-sol2: Assemble those with cpp.
2701 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2702 (*TF*_LIBCALL): If ARCH64 use V9 names.
2703 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2705 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2707 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2708 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2710 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2712 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2713 to Pmode if CASE_VECTOR_MODE is something else.
2715 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2717 * prefix.c (update_path): Correctly handle cases where PATH is
2718 a substring of the builtin prefix, but specifies a different
2721 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2723 * expr.c: Corrected comment about what MOVE_RATIO does.
2724 * config/alpha/alpha.h: Ditto.
2725 * config/1750a/1750a.h: Ditto.
2726 * config/clipper/clipper.h: Ditto.
2727 * config/i386/i386.h: Ditto.
2729 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2731 * configure.in (m68k-next-nextstep3*): Use collect2.
2732 Similarly for x86 NeXT configurations.
2733 * configure: Rebuilt.
2735 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2737 * configure.in: Don't assume srcdir is .../gcc
2738 * configure: Rebuilt.
2740 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2742 * global.c: Update comments.
2743 (global_alloc): Assign allocation-numbers
2744 even for registers allocated by local_alloc in case
2745 they are later spilled and retry_global_alloc is called.
2746 (mark_reg_store, mark_reg_clobber,
2747 mark_reg_conflicts, mark_reg_death): Always record a
2748 conflict with a pseudo register even if it has been
2749 assigned to a hard register.
2750 (dump_conflicts): Don't list pseudo registers already assigned to
2751 a hard register as needing to be allocated, but do list their
2753 * local-alloc.c: Update comment.
2755 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2757 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2758 * configure: Rebuilt.
2760 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2762 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2764 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2765 for all targets that set -msoft-float.
2767 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2769 * toplev.c (print_switch_values): Make static to match prototype.
2771 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2773 * configure.in: If we are unable to find the "gnatbind" program,
2774 then do not configure the ada subdir.
2775 * configure: Rebuilt.
2777 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2779 * version.c: Bump for snapshot.
2781 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2783 * version.c: Bump for snapshot.
2785 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2788 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2790 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2792 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2794 * genextract.c: Have insn-extract.c include toplev.h.
2796 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2798 * toplev.c: Include expr.h.
2799 (really_sorry, fancy_abort): Remove prototypes.
2800 (set_target_switch): Add argument in prototype.
2801 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2802 (v_really_sorry): Likewise.
2803 (print_version, print_single_switch, print_switch_values): Make
2804 static and add prototype arguments.
2805 (decl_printable_name): Add prototype arguments.
2806 (lang_expand_expr_t): New typedef.
2807 (lang_expand_expr): Declare as a lang_expand_expr_t.
2808 (incomplete_decl_finalize_hook): Add prototype argument.
2809 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2810 (botch): Likewise for variable `s'.
2811 (rest_of_type_compilation): Mark variables `type' and `toplev'
2812 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2813 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2814 (display_help): Make variable `i' an `unsigned long'.
2815 (main): Remove unused parameter `envp'.
2816 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2817 Cast -1 when comparing it with a `size_t'.
2819 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2820 prototype with ATTRIBUTE_NORETURN.
2821 (fatal_insn_not_found, fatal_insn, really_sorry,
2822 push_float_handler, pop_float_handler): Add prototypes.
2823 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2824 (do_abort, botch): Add prototypes.
2826 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2828 * final.c (final): If a label is reached only from a single jump,
2829 call NOTICE_UPDATE_CC on the jump and its predecessor before
2830 emitting the insn after the label.
2832 * i386.h: Add AMD K6 support.
2833 Change TARGET_* macros to use table lookup.
2834 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2835 (ADJUST_COST): Change definition to call function in i386.c.
2836 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2837 * i386.c: Add AMD K6 support.
2838 Add constants for feature tests used by TARGET_* macros.
2839 (split_di): If before reload, call gen_lowpart and gen_highpart.
2840 (x86_adjust_cost): New function.
2841 (put_jump_code): New function.
2842 (print_operand): New codes 'D' and 'd'.
2843 * i386.md: New insn types. New insn attribute "memory".
2844 Redefine scheduling parameters to use new types and add AMD K6
2845 support. Explicitly set type of most insns.
2846 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2847 Pro and K6 prefer movl $1,reg to incl reg.
2848 (adddi3, subdi3): Set cc_status.
2849 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2850 to int; x86 can't have more than 2^31 DImode shifts per file.
2851 (setcc): Combine all setcc patterns. Allow writing memory.
2852 Combine all jump patterns using match_operator.
2853 (*bzero): Name pattern. Emit mutliple stos instructions when that
2854 is faster than rep stos.
2855 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2858 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2860 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2863 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2865 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2866 not whatever we're generating now.
2868 * alpha.c (set_frame_related_p, FRP): New.
2869 (alpha_expand_prologue): Mark frame related insns.
2870 (alpha_expand_epilogue): Likewise, but with a null FRP.
2871 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
2872 * alpha.md (exception_receiver): New.
2873 * alpha/crtbegin.asm (.eh_frame): New beginning.
2874 (__do_frame_setup, __do_frame_takedown): New.
2875 * alpha/crtend.asm (.eh_frame): New ending.
2876 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
2877 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
2878 (ASM_FILE_START): Don't emit .file for dwarf2.
2880 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
2881 * rtl.c (reg_note_name): Likewise.
2882 * rtl.texi (REG_NOTES): Likewise.
2883 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
2886 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
2888 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
2889 * i386.md (movsf, movdf, movxf): Validate memory address returned
2890 from force_const_mem. Kill useless REG_EQUAL setting code.
2892 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
2894 * m68k.md (zero_extendsidi2): Fix typo.
2896 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
2898 * configure.in: Removed references to the removed file
2899 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
2900 * arm*-*-netbsd* and ns32k-*-netbsd*.
2901 * config/i386/xm-netbsd.h: Removed unnecessary file.
2902 * config/m68k/xm-netbsd.h: Likewise.
2903 * config/sparc/xm-netbsd.h: Likewise.
2904 * config/mips/xm-netbsd.h: Likewise.
2906 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
2908 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
2909 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
2911 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
2912 for exact section attributions.
2914 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
2916 * i386/crtdll.h (CPP_PREDEFINES): Define.
2918 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
2920 * m68k.md (5200 movqi): Do not allow byte sized memory references
2922 * m68k.c (output_move_qimode): Do not use byte sized operations on
2925 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
2926 explicit rules for building. Similarly for alloca, vfprintf,
2927 choose-temp and mkstemp, getopt, getopt1, and obstack.
2928 (INCLUDES): Add $(srcdir)/../include.
2929 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
2930 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
2932 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
2934 * gcc.c (do_spec_1): [case 'o'] Account for
2935 lang_specific_extra_outfiles.
2936 (main): Correctly clear all slots in outfiles for
2937 lang_specific_extra_outfiles. Set input_file_number before
2938 calling lang_specific_pre_link.
2940 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
2942 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
2944 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2946 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
2948 (sparc_output_deferred_case_vectors): If no work to do, return.
2949 Fix thinko in Sept 1 change.
2951 1998-09-03 SL Baur <steve@altair.xemacs.org>
2953 * Makefile.in: add semicolon in BISON definition for portability.
2955 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2957 * config/nextstep.c (handle_pragma): Correct name of third
2960 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
2962 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
2963 * config/m32r/m32r.h: Make register 17 be fixed.
2964 * config/m32r/m32r.c: Use SImode for cc operations.
2966 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
2968 * invoke.texi (Warning Options): Add -Wnon-template-friend
2971 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
2973 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
2975 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
2977 * rs6000.md (movsf): Disable explicit secondary-reload-like
2978 functionality if TARGET_POWERPC64.
2979 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
2982 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
2984 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
2985 and term.h from fixinc.wrap.
2987 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2989 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
2990 safe to include both string.h and strings.h together.
2991 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
2992 which headers to search for function declarations. Continue to
2993 prefer string.h over strings.h when both are not acceptable.
2995 * acconfig.h (STRING_WITH_STRINGS): Add stub.
2997 * configure.in: Call GCC_HEADER_STRING.
2999 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3000 to include. Continue to prefer string.h over strings.h when both
3003 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3005 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3006 not assume top 32-bits of symbolic addresses are zero if
3009 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3011 * ginclude/va-alpha.h: Protect entire second portion of the
3012 file against double inclusion.
3014 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3016 Added support for the Boehm's garbage collector.
3017 * configure.in: Handle --enable-objc-gc.
3018 * configure: Rebuilt.
3019 * Makefile.in (CHECK_TARGETS): Add check-objc.
3020 (check-objc): New rule.
3021 * objc/Make-lang.in: Build a different Objective-C library that
3022 runs with the Boehm's collector.
3023 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3024 * objc/encoding.c: Correctly compute the size of compound types in
3025 the presence of bitfields. Skip the variable name of the type if
3026 any. Added support for long long.
3027 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3028 (_F_GCINVISIBLE): New mask.
3029 * objc/gc.c: New file. Compute the type memory mask associated with
3030 a class based on the runtime information.
3031 * objc/misc.c: Added the hooks that use the Boehm's collector
3032 allocation functions.
3033 * objc/objc-act.c (build_class_template): Generate a new class
3034 member (gc_object_type) to hold the class' type memory mask.
3035 (build_shared_structure_initializer): Initialize the new member to
3037 (encode_complete_bitfield): New function. Generate the new
3039 (encode_field_decl): Generate the new encoding only for the GNU
3041 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3043 (class_get_gc_object_type): New function to mark a pointer instance
3044 variable as a weak pointer.
3045 * objc/objc-features.texi: New file.
3046 * objc/objc.h (gc_object_type): New class member.
3047 * objc/objects.c (class_create_instance): Create a typed memory
3048 object when compiled with Boehm's collector support.
3049 * objc/sendmsg.c (__objc_init_install_dtable): Call
3050 __objc_send_initialize instead of setting the initialize flag.
3051 (__objc_send_initialize): Call __objc_generate_gc_type_description
3052 to generate the class type memory mask. Rewrite the code that
3053 sends the +initialize so that it is called only once (bug report
3054 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3055 * testsuite/objc: New testsuite for Objective-C type encoding.
3056 * testsuite/lib/objc-torture.exp: New file.
3057 * testsuite/lib/objc.exp: New file.
3059 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3061 * jump.c (jump_optimize): In if/then/else transformations, add
3062 another call to modified_between_p for the jump insn.
3064 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3066 * fix-header.c (symlink): Treat like readlink.
3068 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3070 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3073 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3075 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3076 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3077 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3079 * config/nextstep.c (handle_pragma): Take three arguments, as per
3080 the new HANDLE_PRAGMA macro specification.
3081 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3082 per the new HANDLE_PRAGMA macro specification.
3083 * config/i960/i960.c (process_pragma): Take three arguments, as
3084 per the new HANDLE_PRAGMA macro specification.
3086 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3088 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3089 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3090 if unknown pragmas are encountered.
3091 (handle_sysv_pragma): Interpret return code from
3092 handle_pragma_token (). Return success/failure indication rather
3093 than next unprocessed character.
3094 (pragma_getc): New function: retrieves characters from the
3095 input stream. Defined when HANDLE_PRAGMA is enabled.
3096 (pragma_ungetc): New function: replaces characters back into the
3097 input stream. Defined when HANDLE_PRAGMA is enabled.
3099 * c-pragma.c (handle_pragma_token): Return success/failure status
3102 * c-pragma.h: Change prototype of handle_pragma_token().
3104 * varasm.c: (handle_pragma_weak): Only create this function if
3105 HANDLE_PRAGMA_WEAK is defined.
3107 * c-common,c (decl_attributes): If defined call the expression
3108 contained within the INSERT_ATTRIBUTES macro before adding
3109 attributes to a decl.
3111 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3112 HANDLE_PRAGMA, which takes three arguments.
3113 (INSERT_ATTRIBUTES): Document this new macro.
3115 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3116 new INSERT_ATTRIBUTES macro.
3118 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3120 * config/sparc/sparc.md (movdf): Only generate special RTL for
3121 LABEL_REFs when PIC.
3122 (move_label_di): Remove
3123 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3124 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3125 references when PIC.
3126 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3127 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3128 output an .xword for all 64-bit cases.
3130 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3132 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3133 alignment, use FUNCTION_BOUNDARY instead.
3134 (sparc_output_deferred_case_vectors): Likewise.
3136 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3138 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3139 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3141 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3143 * alpha/va_list.h: New file.
3144 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3146 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3148 * NEWS: Add SCO Openserver and Unixware 7 notes.
3152 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3154 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3155 (record_constant_1): Handle RANGE_EXPR.
3157 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3159 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3160 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3161 and NOTE_INSN_RANGE_END specially.
3162 (reemit_notes): Likewise.
3164 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3166 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3167 (ultrasparc_sched_init): Remove unneeded &.
3169 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3171 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3172 for m68020-60, to prevent the use of fintrz.
3174 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3176 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3178 * Makefile.in: Likewise.
3179 * configure: Regenerated.
3181 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3183 * configure.in (gxx_include_dir): Changed to
3184 '${prefix}/include/g++'-${libstdcxx_interface}.
3185 * configure: Rebuilt.
3187 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3189 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3191 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3192 *sequences* *below* which scalar moves will be used.
3194 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3196 * collect2.c (mktemp): Delete unused declaration.
3198 * config/xm-netbsd.h: Remove unnecessary file.
3199 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3200 file anymore, it is not needed.
3202 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3204 * convert.c (convert_to_integer): Issue an error on conversions to
3207 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3209 * Makefile.in: Add lang_tree_files and gencheck.h.
3210 * configure.in: Generate them.
3211 * gencheck.c: Include gencheck.h.
3213 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3215 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3216 movdi_lo_sum_pic and movdi_high_pic and make visible.
3217 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3218 emit these when Pmode is not SImode.
3219 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3221 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3223 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3224 .linkonce directive after the first time.
3226 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3228 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3229 the clobbered operand overlaps with an input.
3230 (bne0_di): Similarly.
3232 * Makefile.in (INSTALL): Remove "--no-header" argument.
3234 * NEWS: Various updates.
3236 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3238 * config/sparc/sparc.c (arith_operand, const64_operand,
3239 const64_high_operand, arith_double_4096_operand): Mark mode as
3241 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3243 (sparc_emit_set_const64): Remove unused variable i.
3244 (sparc_splitdi_legitimate): Likewise for addr_part.
3245 (ultra_code_from_mask): Likewise for mask.
3246 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3247 reverse return values so it matches usage and comments.
3248 (ultra_flush_pipeline): Likewise.
3249 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3250 this_type, and allow loads and stores of differing FP modes as
3251 they do not create a conflict.
3252 (ultra_find_type): Initialize fpmode to SFmode, fix
3253 parenthesization thinkos in large conditional.
3254 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3255 Init free_slot_mask after ultra_cur_hist is reset, not before.
3256 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3257 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3258 use ultra_flush_pipeline instead, then re-init group pointer.
3259 Fix statement with no effect. If no progress made in, and no
3260 instructions scheduled at all, advance to new pipeline cycle else
3261 we get into an endless loop.
3262 (ultrasparc_adjust_cost): Remove previous arg.
3263 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3265 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3267 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3268 code. Use reg_overlap_mentioned_p to detect when source and
3269 destination overlap.
3270 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3272 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3274 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3275 COMPARISON_VAL, into invariant_p.
3277 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3279 * regmove.c (regclass_compatible_p): New function.
3280 (regmove_optimize): Use it.
3282 Use NREGS parameter insted of calling max_reg_num.
3284 (fixup_match_1): Don't use code = MINUS when later tieing with
3285 a hard register is likely.
3287 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3289 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3290 COMPARISON_VAL was normalized.
3292 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3294 * loop.c (check_dbra_loop): The loop ending comparison value
3295 must be an invariant or we can not reverse the loop.
3297 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3298 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3300 (load_mems_and_recount_loop_regs_set): Likewise.
3302 * i386.c (print_operand): Remove obsolete 'c' docs.
3304 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3306 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3307 * frame.c (init_object_mutex): New function.
3308 (init_object_mutex_once): Likewise.
3309 (find_fde): Call it.
3310 (__register_frame_info): Likewise.
3311 (__register_frame_info_table): Likewise.
3312 (__deregister_frame_info): Likewise.
3314 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3316 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3318 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3320 * loop.c (check_dbra_loop): Enable code for reversal
3321 of some loops without a known constant loop end.
3323 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3325 * haifa-sched.c (last_clock_var): New.
3326 (schedule_block): Initialize it.
3327 (schedule_insn): Use it to fill insn modes with issue information.
3329 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3330 Tag trapb and next insn with TImode.
3331 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3332 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3333 Invoke alphaev5_align_insns as appropriate.
3334 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3335 (MD_SCHED_VARIABLE_ISSUE): New.
3336 * alpha.md (attr type): Add multi.
3337 (define_asm_attributes): New.
3338 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3339 (arg_home): Likewise.
3340 (fnop, unop, realign): New.
3342 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3344 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3345 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3347 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3348 (rs6000-ibm-aix4.[12]*): Likewise.
3349 * configure: Regnerate.
3351 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3353 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3354 already contains the return address.
3356 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3358 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3359 word sized hunks when loading unaligned args into registers.
3361 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3362 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3364 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3366 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3368 * loop.c (check_dbra_loop): Add some code that would allow reversal
3369 of some loops without a known constant loop end if it were enabled.
3371 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3373 * mips.md (lshrsi3_internal2+2): Fix type-o.
3375 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3377 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3378 correctly with regards to stdio.h.
3380 * calls.c: Remove stdarg.h/varargs.h.
3383 * combine.c: Likewise.
3384 * cpperror.c: Likewise.
3385 * cpplib.c: Likewise.
3386 * cpplib.h: Likewise.
3387 * doprint.c: Likewise.
3388 * emit-rtl.c: Likewise.
3389 * final.c: Likewise.
3390 * fix-header.c: Likewise.
3392 * genattr.c: Likewise.
3393 * genattrtab.c: Likewise.
3394 * gencodes.c: Likewise.
3395 * genconfig.c: Likewise.
3396 * genemit.c: Likewise.
3397 * genextract.c: Likewise.
3398 * genflags.c: Likewise.
3399 * genopinit.c: Likewise.
3400 * genoutput.c: Likewise.
3401 * genpeep.c: Likewise.
3402 * genrecog.c: Likewise.
3403 * mips-tfile.c: Likewise.
3404 * prefix.c: Likewise.
3405 * protoize.c: Likewise.
3406 * regmove.c: Likewise.
3407 * toplev.c: Likewise.
3410 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3412 * config/sparc/sparc.c (sparc_override_options): If not
3413 TARGET_FPU, turn off TARGET_VIS.
3414 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3415 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3416 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3417 (movdi_insn_sp64): Add VIS fzero alternative.
3418 (clear_sf, clear_df): New VIS patterns.
3419 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3421 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3423 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3425 * loop.c (n_times_set, n_times_used, may_not_optimize,
3426 reg_single_usage): Convert to varrays. All uses changed.
3427 (insert_loop_mem): Return a value.
3428 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3429 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3432 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3435 * configure.in: Do not set thread_file to "irix" since no such
3438 * sparc.md (float abs/neg splits): Check reload_completed before
3439 calling alter_subreg.
3441 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3443 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3445 * config/sparc/sparc.h: Declare it.
3446 * config/sparc/sparc.md (float abs/neg splits): Use it.
3447 (all other splits): Handle SUBREGs properly where necessary.
3448 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3450 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3452 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3453 an insn on the unfilled_slots_list that has no delay slots.
3454 (fill_eager_delay_slots): Similarly.
3456 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3458 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3459 as an ordinary operand.
3461 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3463 * tree.c (valid_machine_attribute): Don't apply attributes to both
3466 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3468 * reload.c (operands_match_p): Handle rtvecs.
3470 * i386.c (legitimate_pic_address_disp_p): New.
3471 (legitimate_address_p): Use it.
3472 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3473 Handle constant pool symbols just like statics.
3474 (emit_pic_move): Use Pmode not SImode for clarity.
3475 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3476 [UNSPEC]: New, handling what we killed above.
3477 [PLUS]: Detect and abort on invalid symbol arithmetic.
3478 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3480 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3482 * alias.c: Include output.h.
3483 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3484 different if we're in a varargs function.
3485 * Makefile.in (alias.o): Depend on output.h
3487 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3489 * sh.h (GIV_SORT_CRITERION): Delete.
3491 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3493 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3494 * stupid.c (stupid_life_analysis): Ditto.
3495 * reload1.c (reload): Ditto.
3497 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3499 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3500 arith_double_4096_operand, arith_double_add_operand): New
3502 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3503 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3504 them to transform add/sub 4096 into add/sub -4096.
3506 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3508 * loop.c (scan_loop): Allocate some slop to handle pseudos
3509 generated by move_movables.
3510 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3513 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3515 * tree.def (DECL_RESULT): Correct documentation.
3517 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3519 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3520 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3521 conflicts will all RELOAD_FOR_OUTPUT reloads.
3523 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3524 loads the function result, substitute with a USE.
3526 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3528 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3529 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3530 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3531 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3532 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3533 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3535 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3536 'o' to 'm' for GPR variant constraints.
3538 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3540 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3542 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3544 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3545 when the source and destination overlap.
3547 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3548 clash with global type.
3550 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3552 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3554 * c-common.c (combine_strings): Also set TREE_READONLY.
3555 Change warn_write_strings to flag_const_strings.
3556 * c-decl.c, c-tree.h: Likewise.
3558 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3560 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3561 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3562 sequence, use SET/IOR instead so CSE can see it.
3563 * config/sparc/sparc.md (movhi_const64_special,
3564 movsi_const64_special): New patterns necessitated by that change.
3565 (movhi_high): Remove.
3566 (movhi_lo_sum): Change to match an IOR.
3567 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3568 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3569 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3570 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3571 registers are involved.
3572 (snesi_zero_extend split): Remove reload_completed test.
3573 (unnamed plus and minus zero_extend sidi splits): Add it.
3575 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3577 * extend.texi: Remove description of extension to explicit
3578 instantiation that is now endorsed by standard C++.
3580 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3582 * config/arc/arc.c (arc_initialize_pic): Remove.
3583 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3584 nothing on any platform and is invoked by no-one, it does not even
3585 appear in the documentation.
3586 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3587 * config/sparc/sparc.c (initialize_pic): Likewise.
3588 (find_addr_reg): Remove this as well, no longer referenced after
3591 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3593 * recog.c (validate_replace_rtx_group): New function.
3594 * recog.h (validate_replace_rtx_group): Declare it.
3595 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3596 the entire group of substitutions.
3598 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3600 * loop.c (load_mems): Fix initializers.
3602 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3604 * config/sparc/sparc.md (TFmode splits): Handle destination
3605 registers being referenced in the address correctly.
3607 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3608 TREE_UNSIGNED, when bitsize of type's mode is larger than
3609 HOST_BITS_PER_WIDE_INT.
3611 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3613 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3614 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3615 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3617 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3620 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3622 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3623 * h8300.h (TINY_DATA_NAME_P): Likewise.
3624 (STRIP_NAME_ENCODING): Handle '&'.
3626 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3627 register (it could be accessed via an outer SUBREG).
3628 (REG_OK_FOR_BASE_P): Likewwise.
3629 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3631 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3634 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3636 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3638 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3639 must be offsettable so the splits can be made.
3641 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3643 * config/i386/winnt.c: Include system.h, not stdio.h to get
3644 sys/param.h pulled in before rtl.h in case the system defines MIN
3647 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3649 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3651 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3653 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3655 * cpplib.c (cpp_define): Handle macros with parameters.
3657 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3659 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3660 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3661 and DImode 64-bit. Use llong for minimal-toc SFmode and
3662 SYMBOL_REF / LABEL_REF 64-bit.
3663 (output_function_profiler): Use llong for profiler label and ld to
3664 load 64-bit label address.
3666 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3668 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3671 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3673 * version.c: Bump for snapshot.
3675 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3677 * version.c: Bump for snapshot.
3679 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3681 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3683 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3685 * tm.texi (Misc): Fix typo "teh".
3687 * tm.texi (PIC): Fix typo "PPIC".
3689 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3690 effect when -O2 and higher.
3691 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3693 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3695 * regclass.c: Changed register set documentation to be consistent
3698 * final.c (final_start_function) Removed redundant test for
3701 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3703 * rtl.h (rtx_function): New type.
3704 (for_each_rtx): New function.
3705 * rtlanal.c (for_each_rtx): Define it.
3707 * recog.c (change_t): New type.
3708 (change_objects, change_old_codes, change_locs, change_olds):
3710 (changes): New variable.
3711 (validate_change): Dynamically allocate room for more changes, if
3712 necessary. Uses changes array instead of change_objects, etc.
3713 (apply_change_group): Use changes array instead of
3714 change_objects, etc.
3716 * loop.c (loop_mem_info): New type.
3717 (loop_mems): New variable.
3718 (loop_mems_idx): Likewise.
3719 (looop_mems_allocated): Likewise.
3720 (scan_loop): Remove nregs parameter.
3721 (next_insn_in_loop): New function.
3722 (load_mems_and_recount_loop_regs_set): Likewise.
3723 (load_mems): Likewise.
3724 (insert_loop_mem): Likewise.
3725 (replace_loop_mem): Likewise.
3726 (replace_label): Likewise.
3727 (INSN_IN_RANGE_P): New macro.
3728 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3729 (scan_loop): Remove nregs parameter, compute it after any new
3730 registers are created by load_mems. Use INSN_IN_RANGE_P and
3731 next_insn_in_loop rather than expanding them inline. Call
3732 load_mems to load memory into pseudos, if appropriate.
3733 (prescan_loop): Figure out whether or not there are jumps from the
3734 loop to targets other than the label immediately following the
3735 loop. Call insert_loop_mem to notice all the MEMs used in the
3736 loop, if it could be safe to pull MEMs into REGs for the duration
3738 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3740 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3742 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3744 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3746 * config/sparc/sparc.c (finalize_pic): Check for the correct
3747 nonlocal_goto_receiver UNSPEC number.
3748 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3749 making note of this dependency existing in sparc.c
3750 (negtf2_notv9 split): Give NEG SFmode.
3751 (negsf2): Fix insn output string.
3753 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3755 * c-common.c (decl_attributes): Issue an error if the argument
3756 to alias is not a string.
3758 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3760 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3761 pending memory flush list.
3763 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3765 (try_combine): Allow combining insns with REG_LIBCALL notes.
3767 * expr.c (emit_block_move): Do not call memcpy as a libcall
3768 instead build up a CALL_EXPR and call it like any other
3770 (clear_storage): Similarly for memset.
3772 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3775 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3778 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3779 and REG_LIVE_LENGTH as successful substitutions are made.
3781 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3783 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3784 statement after end of loop label.
3786 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3788 * config/sparc/sparc.c (ultra_types_avail): New variable.
3789 (ultra_build_types_avail): New function to record mask of insn
3790 types in ready list at this cycle.
3791 (ultrasparc_sched_reorder): Call it.
3792 (ultra_find_type): Use it to quicken the search. Also simplif
3793 dependency check, don't use rtx_equal_p because we know exactly
3794 what we are looking for.
3796 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3798 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3799 for architecture v4.
3801 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3803 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3805 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3806 movdf_const_intreg and helper splits): New patterns to move float
3807 constants into integer registers.
3808 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3811 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3814 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3816 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3818 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3819 a BASE_REGS register is needed as an intermediate when copying
3820 a symbolic value into any register class other than BASE_REGS.
3822 * expr.c (move_by_pieces): No longer static. Remove prototype.
3823 * rtl.h (move_by_pieces): Add extern prototype.
3824 * mips.c (expand_block_move): Handle aligned straight line copy by
3825 calling move_by_pieces.
3827 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3830 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3832 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3833 jumps out of the loop to be treated as part of the exit test.
3835 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 Jeff Law <law@cygnus.com>
3838 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3839 * cplus-dem.c: Delete.
3841 * Makefile.in (fold-const.o): depend on $(RTL_H).
3843 * fold-const.c: Include rtl.h to get the prototype for
3844 `set_identifier_local_value'.
3846 * loop.c (express_from_1): Remove unused variable `tmp'.
3847 (combine_givs): cast the first argument of bzero to char *.
3849 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3851 * c-decl.c (init_decl_processing): Remove unneeded &.
3853 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3855 * except.c (set_exception_lang_code, set_exception_version_code):
3856 Change parameter from `short' to `int' to avoid using a gcc
3859 * except.h (set_exception_lang_code, set_exception_version_code):
3860 Likewise for prototypes.
3862 * flow.c (count_reg_references): Remove unused variables `regno'
3865 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3867 * prefix.c (translate_name): Cast the result of `alloca'.
3869 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
3871 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3873 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
3875 (valid_dbcc_comparison_p): Mark mode argument as unused.
3876 (symbolic_operand): Likewise.
3877 (legitimize_pic_address): Likewise.
3878 (const_uint32_operand): Likewise.
3879 (const_sint32_operand): Likewise.
3880 * sched.c [!INSN_SCHEDULING]: Define only dummy function
3881 schedule_insns and comment out rest of file.
3883 * m68k.c (output_move_simode_const): Use subl to move a zero into an
3885 (output_move_[hq]imode): Likewise.
3887 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
3889 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
3890 * invoke.texi: Corresponding changes.
3892 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
3894 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
3896 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3898 * config/sparc/sparc.c (ultra_code_from_mask,
3899 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3900 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
3901 ultrasparc_sched_init, ultrasparc_variable_issue,
3902 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
3903 functions to describe UltraSPARC pipeline exactly to Haifa.
3904 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
3905 as there is nothing the scheduler can do about it. Indicate that
3906 REG_DEP_OUTPUT's collide. Fixup formatting.
3907 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
3908 divide costs on Ultra for DImode.
3909 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
3911 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
3912 ieuN and add call_no_delay_slot to type list.
3913 (cti function unit): New unit for branches on UltraSPARC.
3914 (subx/addx insns): Set type to misc.
3915 (sidi zero/sign extension insns on arch64): Set type to shift.
3916 (sign_extendhidi2_insn): Set type to sload.
3918 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
3920 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
3921 (output_epilog): Use if != 0 for offset.
3922 (rs6000_fatal_bad_address): Prepare for Intl.
3923 * rs6000.h (rs6000_fatal_bad_address): Declare.
3924 * rs6000.md (movsfcc, movdfcc): Use else if.
3925 (elf_high): Use {liu|lis}.
3926 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
3927 (movsi): Use rs6000_fatal_bad_address.
3929 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
3931 * reload.c (find_equiv_reg): Reject equivalences separated
3932 by a volatile instruction.
3934 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3936 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
3938 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
3940 * alpha.md (movsicc): Fix mode mismatch.
3942 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
3944 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
3946 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
3948 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3950 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
3951 write-only modifier from operand 1 constraint.
3953 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3955 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
3956 emitting a XOR of -1 at the end, emit a NOT instead for combine's
3958 (sparc_emit_set_const64): Likewise, also when computing trailing
3959 bits do not negate low_bits and make fast_int an int.
3961 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
3963 * loop.c (add_label_notes): Do not ignore references to labels
3964 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
3965 * gcse.c (add_label_notes): Similarly.
3967 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
3969 * m68k.md (adddi_dilshr32): One of the operands must be a register.
3970 (adddi_dishl32): Similarly.
3972 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
3974 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
3975 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
3976 * cse.c (cse_basic_block): Add parens to shut up warnings.
3978 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3980 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
3981 sparc_emit_set_const64_longway, const64_is_2insns,
3982 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
3983 in 64-bit constant formation.
3984 * config/sparc/sparc.md (snesi_zero_extend split): Generate
3985 rtl for addx not subx.
3986 (define_insn movdi_const64_special): Make available even when
3987 HOST_BITS_PER_WIDE_INT is not 64.
3988 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
3989 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
3990 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
3991 instances of operand 1 inside a QI subreg.
3992 (xordi3_sp64_dbl): Remove '%' constraint for op1.
3993 (one_cmpldi2_sp64): Fix output string.
3994 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
3996 (unnamed arch64 ashift DI): Truncate shift count if greater than
3999 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4001 * expr.c (store_expr): Don't optimize away load-store pair
4002 when either source or destination have a side effect.
4004 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4006 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4007 operands of SET are incompatible.
4009 * alpha.md: Fix max and min patterns so modes of SET operands match.
4011 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4013 * configure.in: Avoid [[ by using test and changequote.
4014 * configure: Rebuild.
4016 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4018 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4020 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4021 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4022 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4023 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4024 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4025 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4026 Fix mismatching modes in SET operands.
4027 (conditional move patterns): Fix formatting.
4028 (unnamed subx arch64 pattern): Remove duplicate insn.
4030 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4032 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4033 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4034 (input_operand): Fixup test for what we accept for constant
4036 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4038 (safe_constDI): Remove.
4039 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4040 gen_safe_XOR64): New functions.
4041 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4042 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4044 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4045 available when HOST_BITS_PER_WIDE_INT is not 64.
4046 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4047 move before movdi_insn_sp64 pattern.
4048 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4049 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4050 symbolic_operand as predicate for second operand.
4051 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4052 expander): Give set VOIDmode.
4054 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4056 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4058 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4060 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4062 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4064 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4066 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4068 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4070 * install.texi: Various SCO OpenServer tweaks.
4072 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4074 * reload1.c (eliminate_regs_in_insn): Handle another case when
4075 eliminating the frame pointer to the hard frame pointer. Add
4076 missing ep->to_rtx check to one existing case.
4078 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4080 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4082 * tree.h: De-conditionalize init_priority code.
4084 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4085 * collect2.c (NM_FLAGS): Change from -p to -n.
4087 * configure.in: Turn on collect2 for mipstx39-elf.
4088 Handle use_collect2=no properly.
4090 * c-common.c: De-conditionalize init_priority code.
4091 * collect2.c (extract_init_priority, sort_ids): New fns.
4092 (main): Call sort_ids.
4093 Move sequence_number to file scope.
4095 * configure.in: Handle --enable-init-priority.
4096 * c-common.c (attrs): Add A_INIT_PRIORITY.
4097 (init_attributes, decl_attributes): Likewise.
4098 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4099 * tree.c (get_file_function_name_long): Split out...
4100 (get_file_function_name): ...from here.
4102 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4104 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4107 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4109 * toplev.c (display_help): Add braces to shut up warnings.
4110 * tree.c (simple_cst_equal): Likewise.
4112 * fold-const.c (non_lvalue): Don't deal with null pointer
4114 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4116 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4117 of any size to a pointer.
4119 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4121 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4123 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4125 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4126 which will be saved.
4127 * mn10300.md (prologue insn): Only save registers which need saving.
4128 (epilogue insn): Similarly.
4130 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4133 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4135 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4136 VAR_DECL's in gp addressable sections.
4138 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4140 * sparc.c: Change return <exp> to <exp>; return; in functions
4142 * sparc.md: Add empty semicolon statement after final label in
4145 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4147 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4148 addx_extend_sp64, only allow when TARGET_ARCH64.
4149 (define_insn addx_extend_sp32 and split): Version that works when
4151 (define_insn subx_extend): Likewise.
4152 (define_split adddi3 and subdi3 with zero extension): Fixup and
4153 correct bugs when not TARGET_ARCH64.
4155 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4157 * except.c (set_exception_lang_code, set_exception_version_code):
4158 Use prototype-style definition if __STDC__, to match declaration
4161 * genemit.c: Change FAIL and DONE macros not to use loops.
4163 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4165 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4166 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4168 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4170 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4172 * README.g77: Update from Craig.
4174 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4176 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4178 (safe_constDI sparc_emit_set_const64_quick1,
4179 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4180 analyze_64bit_constant, const64_is_2insns,
4181 create_simple_focus_bits): Fix some bugs when compiled on real
4183 (function_arg_record_value_3, function_arg_record_value_2,
4184 function_arg_record_value): Add fully prototyped forward decls.
4185 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4186 to cmpsi_insn and use on both 64 and 32 bit targets.
4187 (define_insn cmpsi_insn_sp64): Remove.
4188 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4189 (define_insn zero_extendsidi2_insn): Rename to
4190 zero_extendsidi2_insn_sp64.
4191 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4192 assosciated forced split for it.
4194 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4196 * config/sparc/sparc.h: Declare them.
4197 (PREDICATE_CODES): Add them.
4198 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4199 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4201 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4203 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4204 in v9 case as the latter makes the Solaris assembler crash.
4206 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4208 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4209 for TFmode when !v9. We require offsettable memory addresses.
4210 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4211 DFmode register number conversions.
4212 * config/sparc/sparc.md (define_split DFmode moves): If register
4213 is a SUBREG do alter_subreg on it before using.
4214 (define_expand movtf): Fixup comment about alignment on v9.
4215 (define_split TFmode moves): Don't use gen_{high,low}part, create
4216 explicit SUBREGs instead.
4218 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4220 * Makefile.in (mbchar.o): Depend on mbchar.c.
4222 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4223 Richard Henderson <rth@cygnus.com>
4225 Rewrite Sparc backend for better code generation and
4226 improved sparc64 support.
4227 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4229 * config/sparc/sysv4.h: Likewise.
4230 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4231 move_operand, v8plus_regcmp_op, emit_move_sequence,
4232 singlemove_string, doublemove_string, mem_aligned_8,
4233 output_move_double, output_move_quad, output_fp_move_double,
4234 move_quad_direction, output_fp_move_quad, output_scc_insn):
4236 (small_int_or_double): New predicate.
4237 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4238 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4239 old pic_{sethi,lo_sum}_si patterns.
4240 (mem_min_alignment): New generic function to replace
4241 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4242 available and can test for arbitrary alignments. All callers
4244 (save_regs, restore_regs, build_big_number,
4245 output_function_prologue, output_cbranch, output_return,
4246 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4247 sparc_flat_output_function_epilogue): Prettify
4249 (output_function_epilogue): Likewise and add code to output
4250 deferred case vectors.
4251 (output_v9branch): Likewise, add new arg INSN and use it to tack
4252 on branch prediction settings. All callers changed.
4253 (print_operand): Likewise and output %l44 for LO_SUMs when
4255 (sparc_splitdi_legitimate): New function to make sure DImode
4256 splits can be run properly when !arch64.
4257 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4258 Reformat example code in comments.
4259 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4260 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4261 of deferred case vectors we need to output.
4262 (sparc_defer_case_vector): Record a case vector.
4263 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4264 sparc_output_deferred_case_vectors): New functions to output them.
4265 (sparc_emit_set_const32): New function to form 32-bit constants in
4266 registers when that requires more than one instruction.
4267 (safe_constDI, sparc_emit_set_const64_quick1,
4268 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4269 analyze_64bit_constant, const64_is_2insns,
4270 create_simple_focus_bits, sparc_emit_set_const64): New functions
4271 which do the same for 64-bit constants when arch64.
4272 (sparc_emit_set_symbolic_const64): New function to emit address
4273 loading for all code models on v9.
4274 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4275 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4276 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4277 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4278 inaccuracies in comments, add symbolic and text_segment operands
4279 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4280 GENERAL_REGS in these cases as a temp REG is needed to load these
4281 addresses into a register properly.
4282 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4284 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4285 quads are guarenteed to have 16-byte alignment.
4286 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4287 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4288 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4289 deferred case vector implementation.
4290 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4291 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4292 Generate "internal label - label" instead of "label - 1b".
4293 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4294 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4295 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4297 (doublemove_string, output_block_move, output_fp_move_double,
4298 output_fp_move_quad, output_move_double, output_move_quad,
4299 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4300 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4301 (sparc_emit_set_const32, sparc_emit_set_const64,
4302 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4303 mem_min_alignment, small_int_or_double): Add externs.
4304 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4305 UNSPEC_VOLATILE in this backend.
4306 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4307 unary to types which execute in it.
4308 (define_function_unit ieu_shift): Rename to ieu0.
4309 (define_function_unit ieu1): New, executes compare, call, and
4310 uncond_branch type insns.
4311 (define_function_units for type fdivs, fdivd, fsqrt): These
4312 execute in the fpu multiply unit not the adder on UltraSparc.
4313 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4314 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4315 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4316 allows the arith_double_operand predicate and rHI constraint when
4318 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4319 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4320 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4321 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4322 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4323 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4324 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4325 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4326 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4327 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4328 sign_extendqihi2_insn, sign_extendqisi2_insn,
4329 sign_extendqidi2_insn, sign_extendhidi2_insn,
4330 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4331 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4332 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4333 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4334 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4335 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4336 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4337 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4338 smulsi3_highpart_v8plus, unnamed subreg mult,
4339 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4340 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4341 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4342 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4343 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4344 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4345 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4346 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4347 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4348 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4349 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4350 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4351 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4352 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4353 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4354 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4355 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4356 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4357 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4358 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4359 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4360 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4361 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4362 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4363 call_address_untyped_struct_value_sp32,
4364 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4365 call_value_symbolic_sp32, call_value_address_sp64,
4366 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4367 flush_register_windows, goto_handler_and_restore,
4368 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4369 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4370 return_addsi, return_di, return_adddi, return_sf, all call+jump
4371 peepholes, trap, unnamed trap insns): Prettify output strings.
4372 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4373 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4374 Likewise and force + implement splits for integer cases.
4375 (define_insn return_sf_no_fpu): Likewise and allow to match when
4376 no-fpu because of our subreg SFmode splits.
4377 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4378 zero_extendqidi2_insn, zero_extendhidi2_insn,
4379 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4380 input_operand for second operand.
4381 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4382 reg_or_0_operand for operand 2 so new splits can use it.
4383 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4384 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4386 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4387 CONST_DOUBLEs for operand 2.
4388 (define_insn move_label_di): Likewise and label distance
4389 optimization because it no longer works with new deferred case
4390 vector scheme. To be revisited.
4391 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4392 and allow reg_or_0_operand and J constraint for second operand.
4393 (define_insn jump): Set branch predict taken on V9.
4394 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4395 new deferred case vector scheme.
4396 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4397 (define_insn negdi2_sp32): Force + implement splits.
4398 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4399 one_cmplsi2_not_liveg0 respectively, and create expander of original
4400 names which emit special rtl for TARGET_LIVE_G0.
4401 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4402 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4403 gen_compare_reg, FAIL instead.
4404 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4405 values when trying to reverse condition codes, if they FAIL then
4407 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4408 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4409 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4410 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4411 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4412 set output string to # to indicate they are mandatory splits.
4413 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4414 pic_sethi_di, move_pic_label_si): Remove.
4415 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4416 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4418 (define_expand movsi_pic_label_ref, define_insn
4419 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4420 expander and insns to handle PIC label references and deferred
4422 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4424 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4425 Rewrite to not use emit_move_sequence, make use of new constant
4426 formation code, and new splits for all multi-insn cases.
4427 (define_insn movqi_insn): Remove sethi case, it can never happen.
4428 Use reg_or_zero_operand instead of const0_rtx explicit test,
4429 use input_operand instead of move_operand for source, and use
4430 general_operand now for dest.
4431 (define_insn movhi_insn): Similar but leave sethi case.
4432 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4433 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4434 movhi_lo_sum respectively, prettify output string.
4435 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4436 register when needed on TARGET_LIVE_G0.
4437 (define_insn movsi_insn): Use general_operand and input_operand
4438 for dest and src respectively. Simplify applicability test.
4439 Prettify output strings, and add clr alternative for J
4441 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4442 deprecated std and reg-reg DI moves): Remove and...
4443 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4444 implementation which uses forced splits for all non-single insn
4446 (define_split DI move cases on !arch64): New splits to handle all
4447 situations of 64-bit double register DImode on 32bit, and
4448 unaligned registers and memory addresses for all subtargets.
4449 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4451 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4452 input_operand for dest and src respectively, prettify output
4454 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4455 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4457 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4458 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4459 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4460 movtf_no_e_insn_sp64) Replace with new
4461 implementation which uses forced splits for all non-single insn
4463 (define_split DF move cases): New splits in similar vein to DI
4465 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4466 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4467 movdi_sp64_insn): Remove old v9 code model and constant loading
4469 (define_insn pic_lo_sum_di, pic_sethi_di,
4470 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4471 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4472 embmedany_sethi, embmedany_losum, embmedany_brsum,
4473 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4474 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4475 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4476 scheme, using unspecs, secondary reloads, and one to one sparc
4477 insn to rtl insn mapping for better scheduling and code gen.
4478 (define_expand reload_indi, reload_outdi): Reload helpers for
4479 MEDANY and EMBMEDANY symbol address loading cases which require a
4481 (define_expand movsicc): Remove v8plus_regcmp cases.
4482 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4483 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4484 cmp_diqi_trunc_set): New patterns used by some of the new scc
4486 (define_insn xordi3_sp64_dbl): New pattern used for constant
4487 formation when crossing from 32-bit targets.
4488 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4490 (define_insn addx, subx): Make visible and prettify.
4491 (define_insn adddi3_insn_sp32): Likewise and force split.
4492 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4493 64bit scc split usage.
4494 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4495 zero_extend, subdi3): Force and implement splits.
4497 * final.c (final_scan_insn): Don't output labels if target
4498 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4501 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4502 don't forget to walk inside SEQUENCESs too as these are what the
4503 delay slot scheduler will create.
4505 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4507 * alpha.md (extxl+1,+2): New patterns to work around
4510 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4512 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4513 caused bad assembly code to be generated.
4515 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4517 * netbsd.h: Fix typo.
4519 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4521 * config.sub: Fix typo.
4523 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4525 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4527 (Running Protoize): Typo: Change "ther" into "other".
4529 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4531 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4532 * m68k/netbsd.h: Likewise.
4533 * ns32k/netbsd.h: Likewise.
4534 * sparc/netbsd.h: Likewise.
4536 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4538 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4539 * ginclude/va-clipper.h (va_list): Likewise.
4541 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4543 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4544 load/store multiple instructions unless user overrides.
4546 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4548 * ns32k/netbsd.h: Fix typo.
4550 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4552 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4553 labels with .debugsym if no parallel insns.
4555 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4557 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4558 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4560 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4562 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4563 (AR_FOR_TARGET): Define.
4565 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4567 * dyn-string.h: New file.
4568 * dyn-string.c: Likewise.
4569 * Makefile.in (OBJS): Add dyn-string.o.
4570 (dwarf2out.o): Add dyn-string.h dependency.
4571 (dyn-string.o): List dependencies.
4572 * dwarf2out.c: Include dyn-string.h.
4573 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4574 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4575 prototype. Use dyn_string_append rather than strcat, throughout.
4576 (addr_to_string): Use dyn_string_t.
4578 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4580 Function entry/exit profiling instrumentation:
4581 * expr.h (profile_function_entry_libfunc,
4582 profile_function_exit_libfunc): Declare new variables.
4583 * optabs.c: Define them here.
4584 (init_optabs): Initialize them.
4585 * tree.h (struct tree_decl): New flag
4586 no_instrument_function_entry_exit.
4587 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4588 * c-decl.c (duplicate_decls): Merge it.
4589 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4590 (init_attributes): Use it for "no_instrument_function".
4591 (decl_attributes): Handle it, for functions that have not yet been
4592 compiled. Set decl flag.
4593 * flags.h (flag_instrument_function_entry_exit): Declare new
4595 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4596 (f_options): New option "instrument-functions".
4597 * function.h (struct function): New field instrument_entry_exit.
4598 * function.c (current_function_instrument_entry_exit): New
4600 (push_function_context_to, pop_function_context_from): Save and
4602 (expand_function_start): Set current_ variable, maybe emit return
4603 label and entry profile call.
4604 (expand_function_end): Maybe emit exit profile call.
4606 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4608 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4609 NON_QI_REG_P, pretend the register is SImode.
4611 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4613 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4614 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4615 manufacturer id for ns32k.
4616 * configure: Regenerated.
4617 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4618 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4619 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4620 * config/m68k/netbsd.h: Same.
4621 * config/ns32k/netbsd.h: Same.
4622 * config/sparc/netbsd.h: Same.
4624 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4626 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4627 or UNROLL_COMPLETELY loop that starts with a jump to its
4630 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4632 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4633 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4634 (print_operand, case 'B'): Don't fall through.
4635 (print_operand, case 'S'): Correct mask begin/end computation.
4636 Use HOST_BITS_PER_WIDE_INT.
4637 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4638 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4639 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4640 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4642 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4644 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4645 constraint from second alternative.
4647 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4649 * configure.in: Fix --without/--disable cases for local-prefix,
4650 gxx-include-dir and checking.
4652 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4654 * configure.in (enable_haifa): Set by default for sparc64 too.
4657 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4659 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4660 * i386/winnt.c (associated_type): New fn.
4661 (i386_pe_valid_type_attribute_p): New fn.
4662 (i386_pe_check_vtable_importexport): Remove.
4663 (i386_pe_dllexport_p): Use associated_type.
4664 (i386_pe_dllimport_p): Likewise.
4666 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4667 * i386.c (i386_valid_type_attribute_p): Also accept
4668 attributes for METHOD_TYPEs.
4670 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4672 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4674 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4676 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4678 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4679 them from generating a new base name for each occurence of
4682 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4684 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4686 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4690 * cplus-dem.c (type_kind_t): New type.
4691 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4692 on this paramter, rather than demangling the type again.
4693 (demangle_integral_value): Pass tk_integral.
4694 (demangle_template_: Pass the value returned from do_type.
4695 (do_type): Return a type_kind_t. Pass tk_integral to
4696 demangle_template_value_parm for array bounds.
4697 (demangle_fund_type): Likewise.
4699 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4701 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4704 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4706 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4708 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4710 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4712 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4715 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4717 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4718 (DEBUGGER_ARG_OFFSET): Likewise.
4720 * mn10300.md (movsf): Remove last change. Not needed.
4722 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4724 * c-lex.c (yylex): Fix boundary conditions in character literal and
4725 string literal loops.
4727 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4729 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4730 being invoked incorrectly.
4732 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4733 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4735 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4736 * configure.in: Added i[34567]86-*-win32
4737 * config.sub: Ditto.
4738 * configure: Rebuilt.
4740 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4742 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4743 the frame pointer and compiling PIC code and reload has not completed.
4745 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4748 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4750 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4752 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4754 * Makefile.in (install-info): Only try to update the info
4755 directory file if it exists in the first place.
4757 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4759 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4761 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4763 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4764 CONST_DOUBLE source.
4766 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4768 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4769 strings as the insertion of USER_LABEL_PREFIX.
4770 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4772 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4775 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4777 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4778 already defined type.
4780 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4782 * expr.c (check_max_integer_computation_mode): Allow conversions
4783 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4784 (expand_expr): Likewise.
4786 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4788 * expr.c (expand_expr): Expand RETURN_EXPR.
4790 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4792 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4794 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4796 * dwarf2out.c (output_aranges): Call stripattributes
4797 for TEXT_SECTION references.
4798 (output_line_info): Likewise.
4800 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4802 * profile.c (branch_prob): Call allocate_reg_info after outputting
4803 profile rtl in instrument_arcs.
4805 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4807 * fixinc.irix (math.h): Install wrapper instead of copying.
4809 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4811 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4812 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4813 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4814 lang_flag_0. Added documentation in the flag table.
4816 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4818 * cccp.c (do_include): Fix vax c style include handling.
4820 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4822 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4824 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4826 * fold-const.c (non_lvalue): Don't deal with null pointer
4828 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4830 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4832 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4833 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4834 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4835 (u_short_cint_operand): Same.
4836 (reg_or_cint_operand): Same.
4837 (logical_operand): Same.
4838 (input_operand): Same.
4839 (reg_or_short_operand): Use u_short_cint_operand.
4841 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4843 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4844 but keep the insns and splits. Adjust so when the ultimate destination
4845 is memory, use cvtql.
4847 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4849 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4851 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4853 * gcc.c (do_spec): Call "error" not "warning".
4855 * configure.in: Fix minor problems with gas feature detection code.
4856 * configure: Rebuilt.
4858 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4861 * gcc.c: Delete %[spec] support.
4862 (do_spec_1, case '('): Likewise.
4863 (do_spec_1, case '['): Call error.
4865 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4867 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
4868 (CPP_SUBTARGET_SPEC): Default to empty string.
4869 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
4870 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
4871 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
4872 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
4874 * alpha/linux.h (CPP_PREDEFINES): Tidy.
4875 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
4876 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
4877 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
4878 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
4879 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
4880 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
4881 * alpha/vxworks.h: Likewise.
4883 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
4885 * mips.md (reload_outsi): Added missing REGNO call.
4886 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
4888 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
4889 another match_operator and compare the codes.
4891 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
4893 * MIPS multiply pattern fixes:
4894 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4895 Add union classes for HI, LO, or HILO plus general registers.
4896 (GENERATE_MADD): Deleted.
4897 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
4898 Add TARGET_MAD to condition.
4899 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
4900 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
4901 "*d" for accumulator, to give preference to LO initially but not
4904 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
4906 * configure.in (enable_c_mbchar): New configure option.
4907 (extra_cpp_objs): Always available now.
4909 * cexp.y (mbchar.h): #include it.
4910 (yylex): Handle Multibyte characters in character literals.
4912 * cccp.c (mbchar.h): #include it.
4913 (main): Set character set based on LANG environment variable.
4914 (rescan): Handle multibyte characters in comments.
4915 (skip_if_group): See above.
4916 (validate_else): See above.
4917 (skip_to_end_of_comment): See above.
4918 (macarg1): See above.
4919 (discard_comments): See above.
4920 (rescan): Handle multibyte characters in string and character literals.
4921 (collect_expansion): See above.
4922 (skip_quoted_string): See above.
4923 (macroexpand): See above.
4924 (macarg1): See above.
4925 (discard_comments): See above.
4926 (change_newlines): See above.
4928 * c-lex.c (mbchar.h): #include it.
4929 (GET_ENVIRONMENT): New macro.
4930 (init_lex): Set character set based on LANG environment variable.
4931 (yylex): Handle multibyte characters in character literals.
4932 (yylex): Handle multibyte characters in string literals.
4934 * Makefile.in (mbchar.o): New target.
4935 (cccp$(exeext)): @extra_cpp_objs@ is always available.
4936 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
4938 * mbchar.[ch]: New files for multibyte character handling.
4940 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4942 * jump.c (jump_optimize): When simplifying noop moves and
4943 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
4944 the PUSHes to rewrite in second loop as we did in the first.
4946 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948 * cplus-dem.c (demangle_nested_args): Make function definition
4949 static to match the prototype.
4951 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
4953 * alloca.c: Respect USE_C_ALLOCA.
4954 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
4955 * gengenrtl.c (xmalloc): Likewise.
4957 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
4959 * loop.h (struct induction): Add no_const_addval.
4960 * loop.c (the_movables, reg_address_cost): New variables.
4961 (init_loop): Init reg_address_cost.
4962 (loop_optimize): Call end_alias_analysis.
4963 (scan_loop): Init the_movables.
4964 (record_giv): Init induction->no_const_addval.
4965 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
4966 [REG]: Rearrange loop search test to catch more cases.
4967 (general_induction_var): Return success not benefit; take an extra
4968 argument for that. Change all callers.
4969 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
4970 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
4971 [default]: Search the_movables for additional combinations.
4972 (sge_plus_constant, sge_plus): New functions.
4973 (express_from_1): New function.
4974 (express_from): Always define. Rewrite using express_from_1.
4975 (combine_givs_p): Handle more cases. Ignore address cost.
4976 (cmp_combine_givs_stats): New function.
4977 (combine_givs_used_once, combine_givs_benefit_from): New functions.
4978 (combine_givs): Rewrite to do best-fit combination.
4980 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
4981 (fold): Do a complete (A*C)+(B*C) association check.
4983 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
4985 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
4987 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
4989 * mn10300.c (MODES_TIEABLE_P): Fix typo.
4991 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
4993 * tree.c (valid_machine_attribute): Only create a new type variant if
4994 there is a decl to use it.
4996 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
4998 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5001 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5003 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5006 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5008 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5009 Simplify tests for clearing an address register.
5010 (expand_prologue): Corresponding changes.
5012 * mn10300.md (movXX patterns): Make sure the destination is an
5013 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5014 (logical patterns): Split into expanders + patterns
5015 (zero and sign extension patterns): Similarly.
5016 (shift patterns): Similarly.
5018 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5020 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5021 for the sequence, recording base values.
5023 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5025 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5027 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5029 * gcc.c: Remove ANSI-C ism from --help code.
5031 * toplev.c: Support --help with USE_CPPLIB.
5033 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5035 * configure.in: Rework gas feature code to work with symlink based
5038 * extend.texi: Clarify some issues related to local variables
5039 assigned to explicit registers.
5041 * mn10300.md (mulsi): Turn into expander + pattern.
5043 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5046 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5048 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5050 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5052 * version.c: Bump again to distinguish mainline tree from the
5055 See ChangeLog.0 for earlier changes.
5058 add-log-time-format: current-time-string
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