1 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4 loop optimization stable for the C4x.
5 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
6 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
9 (c4x_address_conflict): Be more paranoid when packing a volatile
10 memref in a parallel load/store.
12 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
15 repeat_block_filler): Deleted.
16 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
17 Condition code not set if destination register from 'c' class.
18 (*subbqi3_carry_clobber): Fix typo.
20 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22 * reorg.c (steal_delay_list_from_target) Check for insns that
23 modify the condition codes and effect the direction of the jump
26 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
28 * function.c (purge_addressof_1): Replace call to
29 emit_insns_before() with emit_insn_before().
31 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
33 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
35 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
37 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
39 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
41 * gcse.c (compute_hash_table): Correctly identify hard regs which are
42 clobbered across calls.
44 * loop.c (scan_loop): Be more selective about what invariants are
47 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
49 * version.c: Bump for snapshot.
51 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
53 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
54 static eh_context structure.
56 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
58 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
60 (try_combine): Don't update max_scratch.
61 * flow.c (max_scratch, num_scratch): Delete variables.
62 (life_analysis_1): Don't initialize max_scratch.
63 (propagate_block): Don't update max_scratch.
64 (mark_set_1): Don't increment num_scratch.
65 * regs.h (max_scratch): Delete declaration.
67 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
69 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
70 is nonzero. This is temporary!
72 * sched.c (update_flow_info): Handle death notes made invalid by
73 instruction splitting. Partially reverts Oct 15, 1998 patch.
74 * haifa-sched.c (update_flow_info): Likewise.
76 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
78 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
79 if it has a nonzero DECL_INITIAL.
81 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * Makefile.in (flow.o): Depend on recog.h.
85 * cpplib.h (directive_table): Add missing initializiers.
86 (finclude): Change type of variable `bsize' to size_t.
88 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
90 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
92 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
93 `int' when comparing against one.
94 (cpp_file_line_for_message): Mark parameter `pfile' with
96 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
98 * flow.c: Include recog.h.
99 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
101 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
102 `f' with ATTRIBUTE_UNUSED.
103 (reposition_prologue_and_epilogue_notes): Likewise.
105 * genopinit.c (gen_insn): Cast argument of ctype functions to
108 * haifa-sched.c: Include recog.h.
109 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
110 comparing against one.
112 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
114 * mips-tfile.c (parse_end): Cast the argument of ctype function to
116 (parse_ent): Likewise.
117 (parse_input): Likewise.
119 * optabs.c (init_libfuncs): Likewise.
121 * protoize.c (find_rightmost_formals_list): Likewise.
123 * recog.h (const_double_operand): Fix typo in prototype.
125 * tlink.c (scan_linker_output): Cast the argument of ctype
126 function to `unsigned char'.
128 * toplev.c (check_lang_option): Cast the result of `strlen' to
129 `int' when comparing against one.
132 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
134 * gcse.c (dump_cuid_table): Correct typo.
136 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
138 * toplev.c (display_help): Prepend '-m' to target specific
140 (check_lang_option): Ignore text after end of first word of a
141 language specific option.
143 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
145 * reload1.c (reg_used_by_pseudo): New static variable.
146 (choose_reload_regs): Initialize it.
147 Use it instead of testing spill_reg_order to determine whether a
148 pseudo is live in a hard register across the current insn.
149 Fix a typo in a reference to reload_reg_rtx.
151 * flow.c (propagate_block): Replace code that computes and uses
152 regs_sometimes_live with simpler code that just walks the set of
153 currently live registers.
155 * Makefile.in (insn-extract.o): Fix dependencies.
156 * genextract.c (main): Generate includes for insn-config.h and
158 Delete generation of declarations which are now in recog.h.
159 * genrecog.c (main): Delete generation of definitions which are
161 * local-alloc.c (block_alloc): Use extract_insn and the variables
162 it sets up instead of looking up values by insn_code.
163 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
164 recog_dup_num): Define here instead of generating the definition in
166 (recog_n_operands, recog_n_dups, recog_n_alternatives,
167 recog_operand_mode, recog_constraints, recog_operand_address_p):
169 (extract_insn): New function.
170 * recog.h (extract_insn): Declare function.
171 (which_alternative, recog_n_operands, recog_n_dups,
172 recog_n_alternatives, recog_operand_mode, recog_constraints,
173 recog_operand_address_p): Declare variables.
174 * regclass.c (n_occurrences): New static function.
175 * reload.c (n_occurrences): Delete function.
176 (find_reloads): Use extract_insn.
177 * reload.h (n_occurrences): Delete declaration.
179 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
181 * reload1.c (reload_as_needed): Fix test for when to call
182 update_eliminable_offsets.
184 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
186 Fix consistency problems with reg_equiv_{mem,address};
187 Improve reload inheritance;
189 * reload.c (reload_out_reg): New variable.
190 (loc_mentioned_in_p, remove_address_replacements): New functions.
191 (remove_replacements): Deleted.
192 (push_reload): Set reload_out_reg[i].
193 When merging, also set reload_{in,out}_reg[i], and remove
194 duplicate address reloads.
195 (combine_reloads): Copy reload_out_reg[i].
196 (find_reloads): Do make_memloc substitution also when
197 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
199 Include *recog_operand_loc in commutativity operand changes.
200 Generate optional output reloads.
201 Delete reference to n_memlocs. Don't set *recog_operand_loc before
202 processing operands. Call make_memloc in reg_equiv_address code.
203 Set *recog_operand_loc only after processing operands, and only
204 if replace is true. Return a value.
205 When changing address reload types for operands that didn't get
206 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
207 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
208 Don't emit USEs for pseudo SUBREGs when not replacing.
209 (find_reloads_address): Do make_memloc substitution also when
210 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
212 (find_reloads_toplev): Likewise.
213 Call make_memloc in reg_equiv_address code.
214 (debug_reload_to_stream): Add code to output reload_out_reg.
215 (make_memloc): Delete local variable i, ifdefed out code, and
216 references to memlocs and n_memlocs.
217 (memlocs, n_memlocs): Delete.
218 (push_secondary_reload): Clear reload_out_reg.
219 (find_reloads_address_1): Provide memrefloc argument to all calls
220 to find_reloads_address.
221 In AUTO_INC code, handle non-directly addressable equivalences properly.
222 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
223 (find_reloads): Add return type.
224 (remove_address_replacements, deallocate_reload_reg): Declare.
225 * reload1.c (num_not_at_initial_offset): No longer static.
226 (delete_address_reloads, delete_address_reloads_1): Likewise.
227 (deallocate_reload_reg): New function.
228 (spill_reg_stored_to): New array.
229 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
230 (eliminate_regs_in_insn): Move assignments of previous_offset and
231 max_offset fields, and recalculation of num_not_at_initial_offset
232 into new static function:
233 (update_eliminable_offsets) .
234 (reload_as_needed): Call update_eliminable_offsetss after calling
236 Call forget_old_reloads_1 with contents of reloaded auto_inc
237 expressions if the actual addressing can't be changed to match the
239 (choose_reload_regs): For inheritance, replace
240 reload_reg_free_before_p test with reload_reg_used_at_all test, and
241 remove stand-alone reload_reg_used_at_all test.
242 Use reload_out_reg to determine which reload regs have output reloads.
243 Treat reload_override_in more similar to inherited reloads.
244 Handle (subreg (reg... for inheritance.
245 For flag_expensive_optimizations, add an extra pass to remove
246 unnecessary reloads from known working inheritance.
247 Delete obsolete code for pseudos replaced with MEMs.
248 Handle inheritance from auto_inc expressions.
249 (emit_reload_insns): If reload_in is a MEM, set OLD to
251 Don't reload directly from oldequiv; if it's a pseudo with a
252 stack slot, use reload_in[j].
253 Check that reload_in_reg[j] is a MEM before replacing reload_in
254 from reg_reloaded_contents.
255 Include non-spill registers in reload inheritance processing.
256 Also try to use reload_out_reg to set spill_reg_store /
258 In code to set new_spill_reg_store, use single_set to find out if
259 there is a single set.
260 Add code that allows to delete optional output reloads.
261 Add code to allow deletion of output reloads that use no spill reg.
262 At the end, set reload_override_in to oldequiv.
263 Also call delete_output_reload if reload_out_reg is equal to old
265 Add code to call delete_output_reload for stores with no matching load.
266 Set / use spill_reg_stored_to.
267 Handle case where secondary output reload uses a temporary, but
268 actual store isn't found.
269 When looking for a store of a value not loaded in order to call
270 delete_output_reload, count_occurences should return 0 for no
271 loads; but discount inherited input reloadill_reg_stored_to.
272 Do checks for extra uses of REG. Changed all
274 Use delete_address_reloads.
275 (reload): Take return value of find_reloads into account.
276 If a no-op set needs more than one reload, delete it.
277 (reload_reg_free_before_p): RELOAD_FOR_INPUT
278 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
279 for the same operand.
280 (clear_reload_reg_in_use): Check for other reloads that keep a
282 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
283 RELOAD_FOR_OPADDR_ADDR.
284 Take into account when an address address reload is only needed
285 for the address reload we are considering.
286 (count_occurrences): Use rtx_equal_p for MEMs.
287 (inc_for_reload): Return instruction that stores into RELOADREG.
288 New argument two, IN, and rtx. Changed all callers.
289 (calculate_needs_all_insns, reload_as_needed):
290 Don't clear after_call for a CLOBBER.
291 Keep track of how many hard registers need to be copied from
292 after_call, and don't clear after_call before we have seen
293 that much copies, or we see a different instruction.
295 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
297 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
298 after reload has completed.
300 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
302 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
303 a macro name and the next token with a single blank if that whitespace
304 is in a macro buffer and the next token is not '('.
306 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
308 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
310 (skip_if_group): Ditto.
311 (skip_to_end_of_comment): Ditto.
313 (discard_comments): Ditto.
314 (change_newlines): Ditto.
316 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
318 * c-lex.c (yylex): Fix unaligned access of wchar_t.
321 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
323 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
324 (TARGET_OPTIONS): Add --help documentation.
326 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
330 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
332 * fixinc/* Moved in from ../contrib directory in preparation
333 for integrating it into the normal build process. In particular,
334 fixinc/Makefile.in must be config-ed into the build directory
335 as fixinc/Makefile. Proposed patches to ./Makefile.in and
336 ./configure.in will be "in the mail" momentarily.
338 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
340 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
341 accidently walk into the free list. Comment how that can happen.
342 (invalidate): Fix indentation.
344 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
345 Jeffrey A Law (law@cygnus.com)
347 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
348 reload. Never perform rescans of the insn chain after reload.
349 (propagate_block): Do not delete insn or create new autoinc addressing
352 * jump.c (jump_optimize): Unconditionally use the code that was
353 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
354 * reload1.c (reload): When reloading is finished, delete all
355 REG_DEAD and REG_UNUSED notes.
356 (emit_reload_insns): Delete all code that was conditional on
357 PRESERVE_DEATH_INFO_REGNO_P.
358 (no_longer_dead_regs): Delete variable.
359 (reload_cse_delete_death_notes): Delete function.
360 (reload_cse_no_longer_dead): Delete function.
361 (reload_cse_regs_1): Delete all code to handle deletion of death
363 (reload_cse_noop_set_p): Likewise.
364 (reload_cse_simplify_set): Likewise.
365 (reload_cse_simplify_operands): Likewise.
366 (reload_cse_move2add): Likewise.
367 * reorg.c (used_spill_regs): Delete declaration.
368 (max_label_num_after_reload): Delete declaration.
369 (find_dead_or_set_registers): Don't assume that spill regs are
370 dead at a CODE_LABEL.
371 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
373 * sched.c (sched_analyze_insn): Likewise.
374 (update_flow_info): Likewise.
375 * haifa-sched.c (sched_analyze_insn): Likewise.
376 (update_flow_info): Likewise.
377 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
378 * toplev.c (max_label_num_after_reload): Delete variable.
379 (rest_of_compilation): Don't set max_label_num_after_reload.
380 Call life_analysis after reload_cse_regs if optimizing.
381 * config/gmicro/gmicro.h: Delete comment referring to
382 PRESERVE_DEATH_INFO_REGNO_P.
383 * config/i386/i386.h: Likewise.
384 * config/m88k/m88k.h: Likewise.
385 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
386 * config/sh/sh.h: Likewise.
388 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
390 * loop.c (strength_reduce): Restore marking bct_p as
392 * rs6000.c (optimization_options): Change #ifdef HAIFA to
393 HAVE_decrement_and_branch_on_count.
394 (small_data_operand): Remove TARGET_ELF condition for marking
395 parameters ATTRIBUTE_UNUSED.
397 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
399 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
400 (SELECT_SECTION): Resync with svr4.h.
402 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
404 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
407 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
409 * c-pragma.c (handle_pragma_token): Test for null tree before
410 dereferencing TREE_CODE.
412 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
414 * config/c4x/c4x.c: Convert to use GEN_INT.
415 (c4x_parallel_process): Rework to handle new repeat loop structure.
417 * config/c4x/c4x.md: Convert to use GEN_INT.
418 (rptb_end): Convert to use GE test. Replace uses with clobbers.
419 (decrement_and_branch_on_count): Likewise.
421 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
422 loop.c has the desired functionality.
423 (rc_reg_operand): New prototype.
425 * config/c4x/t-c4x: Can now build all front ends.
427 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
429 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
431 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
433 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
434 * config/t-rtems: Do not install assert.h -- use newlib's.
436 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
438 * combine.c (combine_instructions): When finished, call init_recog.
439 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
441 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
443 * toplev.c: If flag_syntax_only, don't open or write assembler file.
445 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * cppalloc.c (memory_full): Mark function prototype with
450 * demangle.h (collect_exit): Likewise.
452 * fix-header.c (v_fatal, fatal): Likewise.
454 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
457 * gcov.c (print_usage): Likewise.
459 * genattr.c (fatal, fancy_abort): Likewise.
461 * genattrtab.c (fatal, fancy_abort): Likewise.
463 * gencodes.c (fatal, fancy_abort): Likewise.
465 * genconfig.c (fatal, fancy_abort): Likewise.
467 * genemit.c (fatal, fancy_abort): Likewise.
469 * genextract.c (fatal, fancy_abort): Likewise.
471 * genflags.c (fatal, fancy_abort): Likewise.
473 * genopinit.c (fatal, fancy_abort): Likewise.
475 * genoutput.c (fatal, fancy_abort): Likewise.
477 * genpeep.c (fatal, fancy_abort): Likewise.
479 * genrecog.c (fatal, fancy_abort): Likewise.
481 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
482 __sjpopnthrow, __throw): Likewise.
484 * objc/objc-act.c (objc_fatal): Likewise.
486 * protoize.c (usage, aux_info_corrupted,
487 declare_source_confusing): Likewise.
489 * rtl.c (dump_and_abort): Likewise.
491 * rtl.h (sets_cc0_p): Likewise.
493 * toplev.c (float_signal, pipe_closed): Likewise.
495 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
497 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
498 when generating the decision tree for the general case.
500 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
501 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
503 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * Makefile.in (sched.o): Depend on recog.h.
507 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
508 (unsigned) when comparing against one.
509 (find_base_value): Likewise.
510 (record_base_value): Cast variable `regno' to (unsigned) when
511 comparing against one. Cast the result of REGNO() macro to
512 (unsigned) when comparing against one.
513 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
515 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
516 variable where an unsigned index is needed.
518 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
519 before comparing against one.
521 * collect2.c: Add prototypes for functions `error', `fatal' and
522 `fatal_perror'. Make these functions take variable arguments
523 instead of faking it with a fixed number of args.
524 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
527 * combine.c (can_combine_p): Mark parameter `pred' with
529 (find_split_point): Cast variable `src' to (unsigned
530 HOST_WIDE_INT) when comparing against one.
531 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
532 (simplify_logical): Likewise.
533 (force_to_mode): Cast result of INTVAL() macro to (unsigned
534 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
535 HOST_WIDE_INT) in shift.
536 (simplify_and_const_int): Cast result of INTVAL() macro to
537 `unsigned HOST_WIDE_INT' when comparing against one.
538 (merge_outer_ops): Cast variable const0 to `unsigned
539 HOST_WIDE_INT' when comparing against the result of
540 GET_MODE_MASK() macro.
541 (simplify_comparison): Likewise for variable `c0'. Cast variable
542 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
543 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
544 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
545 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
546 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
547 comparing against one.
548 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
550 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
551 macro to `unsigned HOST_WIDE_INT' when comparing against one.
552 (output_block_move): Cast `sizeof' expression to (int) when
553 comparing against one.
554 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
556 (save_restore_insns): Cast `base_offset' to `long' to match format
557 specifier in fprintf.
559 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
560 to `enum machine_mode'.
562 * flow.c (life_analysis_1): Remove unused variable `insn'.
564 * gcc.c (translate_options): Move variables `j' and `k' into the
565 scope in which they are used. Change their types to `size_t'.
566 (set_spec): Cast the argument of ctype macro to `unsigned char'.
567 (read_specs): Likewise.
568 (process_command): Cast `sizeof' to (int) when comparing against one.
569 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
570 (handle_braces): Cast both sides of `==' expression to `long' to
571 ensure sign matching.
572 (main): Cast variable `i' to `int' when comparing against one.
574 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
575 int to size_t. Cast variable `i' to size_t when comparing against
578 * genattrtab.c (convert_set_attr_alternative): Remove unused
579 parameter `insn_code'. All callers changed.
580 (convert_set_attr): Likewise.
582 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
583 size_t when comparing against one. Likewise for variable `len'.
585 * global.c (global_alloc): Cast variable `max_regno' to size_t
586 when comparing against one. Likewise for variable `max_allocno'.
588 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
590 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
591 `set' with ATTRIBUTE_UNUSED.
592 (find_free_reg): Cast `sizeof' expression to (int) when comparing
595 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
596 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
597 (get_condition): Cast variable `const_val' to `unsigned
598 HOST_WIDE_INT' when comparing against one. Cast unsigned
599 expression to HOST_WIDE_INT when comparing against one.
600 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
601 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
602 `unsigned' when comparing against one.
604 * protoize.c (is_id_char): Change type of parameter `ch' to
606 (munge_compile_params): Cast argument of ctype macro to (const
608 (process_aux_info_file): Cast variable `aux_info_size' to int when
609 comparing against one.
610 (forward_to_next_token_char): Cast argument of ctype macro to
611 `const unsigned char'.
612 (edit_formals_lists): Likewise.
613 (find_rightmost_formals_list): Likewise.
614 (add_local_decl): Likewise.
615 (add_global_decls): Likewise.
616 (edit_fn_definition): Likewise.
617 (do_cleaning): Likewise.
618 (scan_for_missed_items): Likewise.
619 (edit_file): Cast variable `orig_size' to (int) when comparing
621 (main): Cast argument of ctype macro to `const unsigned char'.
623 * recog.c (const_int_operand): Mark parameter `mode' with
626 * regclass.c (record_reg_classes): Change type of variable `c' to
627 `unsigned char'. Cast `char' array index to `unsigned char'.
629 * reload.c (push_secondary_reload): Cast argument to
630 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
632 * reload1.c (calculate_needs): Cast `char' array index to
634 (set_label_offsets): Change type of variable `i' to unsigned int.
635 Cast result of XVECLEN() macro to unsigned when comparing against
637 (mark_not_eliminable): Change type of variable `i' to unsigned.
638 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
639 when comparing against one.
640 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
641 comparing against one.
642 (choose_reload_regs): Hide unused label `fail'.
643 (reload_cse_simplify_operands): Cast `char' array index to
645 (reload_combine_note_store): Mark parameter `set' with
646 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
648 (reload_cse_move2add): Remove unused variable `src2'.
650 * sched.c: Include recog.h.
651 (sched_note_set): Remove unused parameter `b'. All callers
653 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
654 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
655 when comparing against one.
657 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
658 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
659 comparing against one.
661 * unroll.c (precondition_loop_p): Remove unused parameter
662 `loop_end'. All callers changed.
664 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
666 * reload1.c (maybe_fix_stack_asms): New static function.
669 * reload.h (compute_use_by_pseudos): Declare.
671 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
672 (something_needs_reloads): Delete variable.
673 (finish_spills): New function.
674 (compute_use_by_pseudos): New function.
676 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
677 Use the reload_insn_chain instead of walking the rtl directly.
679 (reload): Allocate and free spilled_pseudos.
680 Ensure that all calls of spill_hard_reg are followed by a call to
682 Use the insns_need_reload list instead of something_needs_reloads
683 to find out if reload_as_needed must be called.
684 Clear unused_insn_chains at the end.
686 (calculate_needs_all_insns): Lose FIRST parameter. All callers
688 Delete code to keep track of current basic block.
689 Walk reload_insn_chain instead of the rtl structure. Build the
690 insns_need_reload chain.
691 Remember which insns need reloading/elimination by setting the
692 appropriate fields in struct insn_chain, not by putting modes on the
695 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
696 arg INSN. All callers changed.
697 Delete declaration of struct needs.
698 Don't set something_needs_reloads.
699 Record insn needs in the CHAIN argument.
701 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
703 (reload_as_needed): Lose FIRST arg. All callers changed.
704 Walk the reload_insn_chain instead of the rtx structure.
705 Delete code to keep track of current basic block.
706 Rename one of the NEXT variables to OLD_NEXT.
708 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
710 (choose_reload_regs): Likewise.
712 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
715 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
716 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
717 (hard_regs_live, hard_regs_need_restore): Delete variables.
718 (n_regs_saved): Now static.
719 (referenced_regs, this_insn_sets): New variables.
721 (setup_save_areas): Restructure the code a bit.
723 (restore_referenced_regs): Delete function.
724 (mark_referenced_regs): New function, similar to the old
725 restore_referenced_regs, but mark registers in referenced_regs.
727 (clear_reg_live): Delete function.
728 (mark_set_regs): Renamed from set_reg_live. All callers changed.
729 Only mark registers in this_insn_sets.
731 (save_call_clobbered_regs): Rework this function to walk the
732 reload_insn_chain instead of using the list of instructions directly.
733 Delete code to keep track of register lives, compute live regs on the
734 fly from information in the chain.
735 Instead of calling restore_referenced_regs, use mark_referenced_regs,
736 then walk the set it computes and call insert_restore as appropriate.
738 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
740 Restructure the code a bit. Test hard_regs_saved instead of
741 hard_regs_need_restore.
742 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
743 args. All callers changed.
744 Restructure the code a bit. Use TO_SAVE to determine which regs to
745 save instead of more complicated test.
746 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
748 Create a new insn_chain structure for the new insn and place it
751 * rtl.texi: Update documentation to reflect that reload no longer
752 puts modes on the insns.
754 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
756 * function.c (purge_addressof_1): Force the first argument of a
759 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
761 * rtl.h: Delete duplicate prototypes. Add some missing
763 * rtlanal.c: (for_each_rtx): Formatting tweak.
765 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
767 * real.c (emdnorm and etoasc): Disable round to even for c4x target
768 to be compatible with TI compiler.
770 * Makefile.in (USER_H): Add va-c4x.h to definition.
772 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
774 * function.c (purge_addressof_1): Fix typo in inequality: do
775 bitfield optimization for equal mode sizes.
776 * expmed.c (store_bit_field): Don't take subregs of subregs in
777 the movstrict case. Tidy a potential problem in the multi-word case.
778 (extract_bit_field): Likewise.
780 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
782 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
784 Compute max_uid_for_flow by calling get_max_uid after the scan.
785 (find_basic_blocks_1): Don't emit NOPs here.
787 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
789 * alias.c (base_alias_check): Accept new args for the modes of the
790 two references. Use them to determine if an AND can overlap. Update
792 (memrefs_conflict_p): Assume sizes are aligned, and uses them
793 to determine if an AND can overlap.
795 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
797 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
798 check. Add comment to document problems with TARGET_SUN_FPA version
800 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
802 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
804 * Makefile.in (gencheck.o): Depend on gansidecl.h.
806 * c-common.c (print_char_table): Add missing initializers.
807 (scan_char_table): Likewise.
808 (time_char_table): Likewise.
810 * c-decl.c (c_decode_option): Mark parameter `argc' with
812 (declare_parm_level): Mark parameter `definition_flag' with
815 * c-lex.c (readescape): Use `(unsigned)1' in shift.
816 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
819 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
821 (emit_call_1): Mark parameters `fndecl' and `funtype' with
823 (expand_call): Cast result of MIN() to (unsigned int) when
824 comparing against an unsigned value.
826 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
828 (make_definition): Remove unused parameter `op'. All callers
830 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
831 comparing against the result of pointer arithmetic.
833 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
834 when comparing against one.
836 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
837 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
839 (output_die): Move variable `i' into the scope in which it is
840 used. Change its type to `unsigned'.
841 (output_die): Cast the result of `strlen' to (int) when passing it
842 to ASM_OUTPUT_ASCII().
843 (output_pubnames): Likewise.
844 (output_line_info): Likewise.
846 * emit-rtl.c (global_rtl): Add missing initializers.
848 * explow.c (promote_mode): Mark parameter `for_call' with
851 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
852 `unsigned HOST_WIDE_INT' when comparing against one.
853 (synth_mult): Change type of variable `cost' to int.
854 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
856 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
857 when comparing against one.
858 (get_inner_reference): Change variable `alignment' to unsigned.
859 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
860 int) when comparing against one.
861 (expand_builtin_setjmp): Change type of variable `i' to size_t.
863 * fold-const.c (div_and_round_double): Cast BASE to
864 (HOST_WIDE_INT) when comparing against one.
866 * gencheck.c: Include gansidecl.h.
867 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
869 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
870 `tcode' with ATTRIBUTE_UNUSED.
872 * real.c (edivm): Cast constant value to (unsigned long) in
873 expression compared against an unsigned value.
875 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
876 comparing against one.
877 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
878 when comparing against one.
880 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
881 (unsigned int) when comparing against one. Likewise for
883 (smallest_mode_for_size): Likewise.
884 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
885 (restore_storage_status): Likewise.
887 * toplev.c (debug_args): Add missing initializer.
888 (f_options): Spelling correction. Add missing initializers.
889 (documented_lang_options): Likewise.
890 (debug_end_source_file): Mark parameter `lineno' with
893 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
894 `decl' and `type' with ATTRIBUTE_UNUSED.
896 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
897 when comparing against one.
898 (assemble_variable): Mark parameter `top_level' with
900 (assemble_external_libcall): Mark parameter `fun' with
902 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
905 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
907 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
908 Replace use of r5 with use of r19.
910 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
912 * config/v850/v850.c (compute_register_save_size): Allow for the
913 fact that helper functions save all registers, not just those used
916 Replace constant 31 with macro LINK_POINTER_REGNUM.
918 * config/v850/v850.md: Use 'indirect_operand' rather than
919 'memory_operand' for bit test/set/clear patterns.
921 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
923 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
924 * varasm.c (assemble_start_function et al): Don't call
925 ASM_GLOBALIZE_LABEL for weak symbols.
927 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
929 * cse.c (equiv_constant): Check for NULL return from
930 gen_lowpart_if_possible().
932 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
934 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
936 * collect2.c (main): Pass -EL/-EB through to the compiler.
938 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
940 * expr.c (push_block): Handle targets where the stack grows
941 to higher addresses, but args grow to lower addresses and
942 ACCUMULATE_OUTGOING_ARGS is not defined.
944 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
946 * config/v850/v850.c (print_operand): Extend meaning
947 of 'c' operands to support .vtinherit.
949 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
951 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
952 Added ATTRIBUTE_UNUSED to unused function arguments.
953 (rc_reg_operand): New predicate.
954 (c4x_rptb_insert): New function.
955 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
956 (c4x_optimization_options): New function.
958 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
959 (decrement_and_branch_on_count): New pattern.
960 (rptb_top): Modified pattern to work with BCT optimization.
962 * config/c4x/c4x.h (RC_REG): New register class.
963 (rc_reg_operand): Define prototype.
964 (IS_RC_REG): New macro.
965 (IS_RC_OR_PSEUDO_REG): New macro.
966 (IS_RC_OR_PSEUDO_REGNO): New macro.
967 (OPTIMIZATION_OPTIONS): Define.
969 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
971 * collect2.c (extract_init_priority): No priority is 65535.
973 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
975 * Makefile.in (build_tooldir): new variable, same as old
976 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
977 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
978 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
980 * configure.in (gxx_include_dir): set default based on unlibsubdir
981 * Makefile.in (tooldir): ditto
982 (cccp.o, cpplib.o): use unlibsubdir implicitly through
983 gxx_include_dir, includedir and tooldir
984 (protoize.o, unprotoize.o): ditto
986 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
988 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
990 * config/arm/thumb.c (thumb_override_options): Add warning about
991 PIC code not being supported just yet.
993 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
995 * flow.c: Update comment.
996 (notice_stack_pointer_modification): New static function.
997 (record_volatile_insns): Use it.
998 (mark_regs_live_at_end): Mark the stack pointer as alive
999 at the end of the function if current_function_sp_is_unchanging
1001 (life_analysis_1): Set current_function_sp_is_unchanging.
1002 * function.c: Define it.
1003 (init_function_start): Initialize it.
1004 * output.h: Declare it.
1005 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1006 the stack pointer as alive at the end of the function if
1007 current_function_sp_is_unchanging is set.
1008 * i386.c (ix86_epilogue): Optimize the restoring
1009 of the stack pointer.
1011 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1013 * version.c: Bump for snapshot.
1015 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1017 * c-pragma.c (handle_pragma_token): If passed a token instead
1018 of a tree, use that as the pack value.
1020 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1022 * flow.c (find_basic_blocks_1): Fix prototype.
1024 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1026 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1027 (struct tree_decl): New fields no_check_memory_usage.
1028 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1029 (init_attributes): Register it as a new attribute.
1030 (decl_attributes): Set flags on functions given that attribute.
1031 * c-decl.c (duplicate_decls): Merge new attribute.
1032 * expr.h (current_function_check_memory_usage): Declare new var.
1033 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1034 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1035 current_function_check_memory_usage.
1036 * function.h: Add field to struct function.
1037 * function.c (current_function_check_memory_usage): Define it.
1038 (push_function_context_to, pop_function_context_from): Save and
1040 (expand_function_start): Set it, based on global flag and function
1043 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1044 check non-automatic variables, to permit detection of writes to
1045 read-only locations in embedded systems without memory management.
1046 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1047 when emitting chkr_set_right_libfunc call, even if the argument is
1048 BLKmode or variable-sized; don't abort.
1050 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1051 symbols in Pmode, not VOIDmode.
1053 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1055 * cppexp.c: When forcing unsigned comparisons, cast both sides
1058 * cpphash.h: Move static declaration of hashtab[]...
1059 * cpphash.c: ...here.
1061 * cpplib.c: Cast difference of two pointers to size_t before
1062 comparing it to size_t. Cast signed to unsigned
1063 before comparing to size_t. (FIXME: struct argdata should use
1064 unsigned buffer sizes.)
1065 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1066 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1067 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1068 size_t before comparison.
1070 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1072 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1073 (find_basic_blocks_1): Similarly.
1074 * output.h (find_basic_blocks): Fix prototype.
1075 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1076 find_basic_blocks anymore.
1078 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1080 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1081 (sbitmap_free, sbitmap_vector_free): New macros.
1082 * output.h (rtl_dump_file): Declare.
1084 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1086 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1088 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1092 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1093 (divide): Remove unused variable `tmp'.
1094 (si_to_float): Cast numeric constant to (SItype) before comparing
1097 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1099 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1100 * gcc.c (add_preprocessor_option): Correct typo when allocating
1101 memory, sizeof() argument had one too many `*'.
1102 (add_assembler_option): Likewise.
1103 (add_linker_option): Likewise.
1104 * gcov.c (output_data): Likewise.
1105 * local-alloc.c (memref_used_between_p): Likewise.
1106 (update_equiv_regs): Likewise.
1107 * loop.c (strength_reduce): Likewise.
1108 * reg-stack.c (record_asm_reg_life): Likewise.
1109 (subst_asm_stack_reg): Likewise.
1110 * reorg.c (dbr_schedule): Likewise.
1112 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1114 * flow.c (life_analysis_1): Break out some functions.
1115 (find_basic_blocks_1): Likewise. Also move some variables out and
1117 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1118 new static var nonlocal_label_list with it.
1119 (active_eh_region, nested_eh_region, label_value_list,
1120 nonlocal_label_list): New static variables.
1121 (make_edges, delete_unreachable_blocks, delete_block): New static
1122 functions, broken out of find_basic_blocks_1.
1123 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1124 noop_move_p): New static functions, broken out of life_analysis_1.
1126 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1128 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1129 Take extra care for op0 now possibly being a subreg.
1130 (extract_bit_field): Likewise.
1131 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1132 the reg to memory if there is no equal sized integral mode.
1133 * stor-layout.c (int_mode_for_mode): New function.
1134 * machmode.h: Prototype it.
1136 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1138 * global.c (build_insn_chain): Verify no real insns exist past the
1139 end of the last basic block, then exit the loop.
1141 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1143 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1145 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1147 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1149 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1151 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1153 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1155 * flow.c (find_basic_blocks): Correctly determine when a call
1156 is within an exception region.
1158 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1160 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1162 * cpplib.h: Protect from multiple inclusions.
1163 * cpplib.c: Fix minor formatting problems.
1165 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1167 * jump.c (jump_optimize): Revert accidental patch.
1169 * Makefile.in (cpplib.o): Use unlibsubdir.
1171 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1173 * loop.c (get_condition): Allow combine when either compare is
1176 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1178 * version.c: Bump for snapshot.
1180 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1182 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1183 (init_lex): Initialize ridpointers[RID_BYREF].
1184 * c-lex.h (enum rid): Add RID_BYREF.
1185 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1186 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1187 (encode_type_qualifiers): Similarly
1188 * c-gperf.h: Rebuilt.
1190 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1192 * c-common.c (type_for_mode): Only return TItype nodes when
1193 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1194 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1195 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1196 (init_decl_processing): Only create TItype nodes when
1197 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1198 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1199 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1201 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1203 * stmt.c (n_occurrences): New static function.
1204 (expand_asm_operands): Verify that all constrains match in the
1205 number of alternatives.
1206 Verify that '+' or '=' are at the beginning of an output constraint.
1207 Don't allow '&' for input operands.
1208 Verify that '%' isn't written for the last operand.
1209 * reload.c (find_reloads): Abort if an asm is found with invalid
1210 constraints; all possible problems ought to be checked for earlier.
1212 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1214 * flags.h (flag_branch_on_count_reg): Always declare
1215 * toplev.c (flag_branch_on_count_reg): Likewise.
1216 * toplev.c: Fix typos.
1218 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1221 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1223 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1225 (find_basic_blocks_1): Add a nop to the end of a basic block when
1226 a trailing call insn does not have abnormal control flow.
1227 * gcse.c (pre_transpout): New variable.
1228 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1229 (compute_pre_transpout): Calculate it.
1230 (compute_pre_ppinout): Use it to eliminate impossible placements
1231 due to abnormal control flow through calls.
1232 (compute_pre_data): Call compute_pre_transpout.
1234 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1236 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1238 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1240 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1241 and matching define_insns): Tack on a `use' of the table label, so
1242 flow analysis will recognize a tablejump.
1244 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1246 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1247 always end basic blocks for abnormal edge reasons.
1249 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1251 * config/i386/i386.h: Remove definition of
1252 HANDLE_PRAGMA_PACK_PUSH_POP.
1254 * config/i386/go32.h: Add definition of
1255 HANDLE_PRAGMA_PACK_PUSH_POP.
1257 * config/i386/win32.h: Add definition of
1258 HANDLE_PRAGMA_PACK_PUSH_POP.
1260 * config/i386/cygwin32.h: Add definition of
1261 HANDLE_PRAGMA_PACK_PUSH_POP.
1263 * c-pragma.c (insert_pack_attributes): Do not insert
1264 attributes unless #pragma pack(push,<n>) is in effect.
1266 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1268 * expr.c (emit_group_store): Handle a PARALLEL destination.
1270 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1272 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1273 the new insns before the argument regs are loaded.
1275 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1278 (c-parse.gperf): Update comments describing invocation flags.
1279 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1281 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1283 * reload1.c (reload): Call free before clobbering the memory
1284 locations or constants pointers.
1286 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1288 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1289 for efficiency by checking whether we need to modify the current
1290 stack permission at all.
1291 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1292 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1293 __enable_execute_stack libcall here too if
1294 TRANSFER_FROM_TRAMPOLINE is defined.
1295 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1298 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1300 * Makefile.in (DRIVER_DEFINES): Remove last change.
1302 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1304 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1305 insns we're going to copy.
1306 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1308 * loop.c (count_one_set): Add prototype.
1310 * caller-save.c (restore_referenced_regs): Lose mode argument.
1311 (insert_save): Lose mode argument.
1312 (insert_restore): Lose mode argument.
1313 (insert_one_insn): Lose mode argument.
1314 (save_call_clobbered_regs): Lose mode argument.
1315 (setup_save_areas): Take no argument and return void. All callers
1317 Don't verify validity of memory addresses.
1318 * reload.h (setup_save_ares): Adjust prototype.
1319 (save_call_clobbered_regs): Likewise.
1320 * reload1.c (delete_caller_save_insns): New function.
1321 (caller_save_spill_class): Delete variable.
1322 (caller_save_group_size): Delete variable.
1323 (reload): Call setup_save_areas and save_call_clobbered_regs
1324 in the main loop, before calling calculate_needs_all_insns.
1325 Don't call save_call_clobbered_regs after the loop.
1326 Call delete_caller_save_insns at the end of an iteration if
1328 Delete code to manage caller_save_spill_class.
1329 Emit the final note before setting reload_first_uid.
1330 Simplify test that determines whether reload_as_needed gets run.
1331 (calculate_needs): Delete code to manage caller_save_spill_class.
1333 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1335 * collect2.c (main): Initialize ld_file_name.
1337 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1339 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1340 check for flag_function_sections.
1342 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1344 * cse.c (insert_regs): Fix bug in Sep 24 change.
1346 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1348 * flags.h (flag_dump_unnumbered): Declare.
1349 * toplev.c (flag_dump_unnumbered): Don't declare.
1350 * print-rtl.c (flags.h): Include.
1351 (print_rtl_single): Add return value.
1352 * rtl.h (print_rtl_single): Update declaration.
1353 * flow.c (flag_dump_unnumbered): Don't declare.
1354 (print_rtl_with_bb): Use return value of print_rtl_single.
1356 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1358 * loop.c (count_one_set): New static function, broken out of
1360 (count_loop_regs_set): Call it.
1361 * global.c (mark_reg_store): Handle clobbers here by not calling
1363 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1364 is in fact a clobber.
1365 * integrate.c (process_reg_param): New function, broken out of
1366 expand_inline_function.
1367 (expand_inline_function): Call it.
1370 * i386.md (addsidi3_1): Delete unused variable temp.
1371 (addsidi3_2): Likewise.
1372 (clstrstrsi): Delete unused variable addr1.
1374 * rtl.h: Don't declare any functions also declared in recog.h.
1376 * Makefile.in (stupid.o): Update dependencies.
1377 (global.o): Likewise.
1379 * global.c: Include reload.h
1380 (reg_becomes_live): New function.
1381 (reg_dies): New function.
1382 (build_insn_chain): New function.
1383 (global_alloc): Call build_insn_chain before calling reload.
1385 * reload.h (struct needs): New structure definition.
1386 (struct insn_chain): Likewise.
1387 (reload_insn_chain): Declare variable.
1388 (new_insn_chain): Declare function.
1391 * reload1.c (reload_startobj): New variable.
1392 (reload_insn_chain): New variable.
1393 (unused_insn_chains): New variable.
1394 (new_insn_chain): New function.
1395 (init_reload): Initialize reload_startobj, not reload_firstobj.
1396 (reload): Initialize reload_firstobj.
1397 Before returning, free everything on the reload_obstack.
1399 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1400 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1401 current_chain): New variables.
1402 (reg_where_born): Delete variable.
1403 (REG_WHERE_BORN): New macro.
1404 (find_clobbered_regs): New function.
1405 (stupid_life_analysis): Don't allocate/free reg_where_born.
1406 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1407 reg_where_dead_chain.
1408 Use REG_WHERE_BORN instead of reg_where_born.
1409 While processing the insns, build the reload_insn_chain with
1410 information about register lifetimes.
1411 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1412 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1414 Compute and information about birth and death of pseudo registers in
1415 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1416 Delete code to set elements of reg_where_born.
1418 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1420 * tree.def (GOTO_EXPR): Modified documentation.
1421 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1424 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1426 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1427 loop_final_value, loop_comparison_code): No longer static.
1428 (unroll_loop): Delete loop_start_value update.
1429 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1430 loop_final_value, loop_comparison_code): Extern.
1431 (loop_start_value): Delete extern.
1432 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1433 loop_comparison_value, loop_comparison_code): Delete.
1434 (loop_optimize): Remove initialization for deleted variables.
1435 (strength_reduce): Delete analyze_loop_iterations call. Only call
1436 insert_bct if flag_branch_count_on_reg set.
1437 (analyze_loop_iterations): Delete.
1438 (insert_bct): Remove iteration count calculation. Move checks for
1439 viable BCT optimization to here. Obtain iteration count from
1440 loop_iterations and correct for unrolling. Check for enough
1441 iteration to be beneficial. Comment out runtime iteration count
1443 (insert_bct): Print iteration count in dump file. Remove
1444 loop_var_mode and use word_mode directly.
1446 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1447 * rs6000.c (rs6000_override_options): Use it.
1448 (optimization_options): Enable use of flag_branch_on_count_reg.
1449 * rs6000.md (define_function_unit): Describe 604e.
1451 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1453 * loop.c (move_movables): Corrected threshold calculation for
1454 moved_once registers.
1456 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1458 * loop.c (combine_givs_p): Fix test for identical givs.
1460 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1462 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1463 call abort if the function is already defined.
1465 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1467 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1468 truncation is not a no-op.
1470 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1472 * version.c: Bump for snapshot.
1474 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1476 * version.c: Bump for snapshot.
1478 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1480 * expmed.c (expand_divmod): Don't widen for computing remainder
1481 if we seem to have a divmod pattern for needed mode.
1483 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1485 * cpplib.c (macroexpand): Correct off-by-one error in handling
1488 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1490 * combine.c (expand_field_assignment): Don't do bitwise operations
1491 on MODE_FLOAT; pun to MODE_INT if possible.
1493 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1494 scott snyder <snyder@d0sgif.fnal.gov>
1496 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1497 linker. Recognize mangled names in quotes.
1499 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1501 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1502 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1503 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1504 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1506 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1508 * function.c (purge_addressof_1): If trying to take a sub-word
1509 integral piece of a floating point mode, put it on the stack.
1511 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1513 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1515 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1517 * PROJECTS: Remove template friends.
1519 * collect2.c (sort_ids): Remove unused variable.
1521 * tm.texi (MATH_LIBRARY): Document.
1522 (NEED_MATH_LIBRARY): Remove.
1524 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1525 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1527 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1529 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1530 last_end to 0x7fffffff.
1532 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1534 * function.c (purge_addressof_1): Do not perform endianness
1535 corrections on bitpos, who we call will do it for us.
1537 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1539 * h8300.c (WORD_REG_USED): Fix typo.
1540 (initial_offset): Use WORD_REG_USED.
1542 * h8300.c (handle_pragma): Fix typo.
1544 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1546 * caller-save.c (insert_save_restore): Break this function up
1547 into new functions insert_restore, insert_save and insert_one_insn.
1548 All callers changed.
1549 (insert_restore): New function, mostly broken out of
1550 insert_save_restore.
1551 (insert_save): Likewise.
1552 (insert_one_insn): Likewise.
1553 (restore_referenced_regs): New argument BLOCK. All callers changed.
1554 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1555 in this function, do it in insert_one_insn instead.
1557 * reload1.c (reload): Break out some more pieces into separate
1559 (dump_needs): New function, broken out of reload.
1560 (set_initial_elim_offsets): Likewise.
1561 (init_elim_table): Likewise.
1562 (update_eliminables): Likewise.
1564 * global.c (global_alloc): Delete code to manage the scratch_list.
1565 * local-alloc.c (qty_scratch_rtx): Delete.
1566 (scratch_block): Delete.
1567 (scratch_list): Delete.
1568 (scratch_list_length): Delete.
1569 (scratch_index): Delete.
1570 (alloc_qty_for_scratch): Delete.
1571 (local-alloc): Update initialization of max_qty.
1572 Delete code to manage the scratch list.
1573 Delete code to allocate/initialize qty_scratch_rtx.
1574 (block_alloc): Don't allocate quantities for scratches.
1575 Delete code to manage the scratch list.
1576 * regs.h (scratch_list): Delete declaration.
1577 (scratch_block): Delete declaration.
1578 (scratch_list_length): Delete declaration.
1579 * reload1.c (reload): Delete code to manage the scratch list.
1580 (spill_hard_reg): Likewise.
1581 (mark_scratch_live): Delete.
1583 * recog.c (alter_subreg): Delete declaration.
1585 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1587 * Makefile.in (cccp.o): Fix typo in last patch.
1589 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1591 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1592 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1594 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1596 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1597 NULL_RTX as an argument.
1599 * Makefile.in (unlibsubdir): Define.
1600 (DRIVER_DEFINES): Use unlibsubdir.
1601 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1602 (stmp-fixinc): Similarly.
1604 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1606 * regmove.c (regmove_optimize): Add variable old_max_uid.
1607 At the end of the function, update basic_block_end.
1609 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1611 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1612 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1615 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1617 * config/arm/arm.c: Improve interworking support.
1619 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1621 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1622 copied from reload_out[r] .
1624 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1626 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1627 with more than three size ranges.
1629 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1631 * rtl.c (mode_name): Add a null string at the end of the array.
1632 (mode_wider_mode): Change type to unsigned char.
1633 (mode_mask_array): New variable.
1634 (init_rtl): Update for mode_wider_mode type change.
1636 * rtl.h (mode_wider_mode): Change type to unsigned char.
1637 (mode_mask_array): Declare.
1638 (GET_MODE_MASK): Use mode_mask_array.
1640 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1642 * calls.c (expand_call) : Encapsulate code into
1643 copy_blkmode_from_reg.
1644 * expr.c (copy_blkmode_from_reg): New function.
1645 * expr.h (copy_blkmode_from_reg): New function.
1646 * integrate.c (function_cannot_inline_p): We can inline
1648 (expand_inline_function): Use copy_blkmode_from_reg
1649 if needed. Avoid creating BLKmode REGs.
1650 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1653 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1655 * config/v850/v850.c: Add function prototypes.
1656 Add support for v850 special data areas.
1658 * config/v850/v850.h: Add support for v850 special data areas.
1660 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1661 HANDLE_PRAGMA_PACK_PUSH_POP.
1662 (push_alignment): New function: Cache an alignment requested
1663 by a #pragma pack(push,<n>).
1664 (pop_alignment): New function: Pop an alignment from the
1666 (insert_pack_attributes): New function: Generate __packed__
1667 and __aligned__ attributes for new decls whilst a #pragma pack
1669 (add_weak): New function: Cache a #pragma weak directive.
1670 (handle_pragma_token): Document calling conventions. Add
1671 support for #pragma pack(push,<n>) and #pragma pack (pop).
1673 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1674 are defined enable HANDLE_PRAGMA_PACK.
1675 Move 'struct weak_syms' here (from varasm.c).
1676 Add pragma states for push and pop pragmas.
1678 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1681 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1682 HANDLE_GENERIC_PRAGMAS.
1684 * varasm.c: Move definition of 'struct weak_syms' into
1686 (handle_pragma_weak): Deleted.
1688 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1690 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1692 * c-decl.c (start_function): Add invocation of
1693 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1695 * tm.texi: Remove description of non-existant macro
1696 SET_DEFAULT_SECTION_NAME.
1698 (HANDLE_SYSV_PRAGMA): Document.
1699 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1701 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1703 * config.sub: Recognize i[34567]86-pc-udk as new target.
1704 * configure.in: Likewise.
1705 * config/i386/t-udk: New file.
1706 * config/i386/udk.h: New file.
1708 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1710 * reorg.c (check_annul_list_true_false): Remove unused variables.
1711 (steal_delay_list_from_target): Add missing "used_annul" variable.
1712 (try_merge_delay_insns): Close out half formed comment.
1714 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1716 * cpplib.c (macroexpand): If arg->raw_before or
1717 arg->raw_after, remove any no-reexpansion escape at the
1718 beginning of the pasted token. Correct handling of whitespace
1719 markers and no-reexpand markers at the end if arg->raw_after.
1721 * toplev.c (documented_lang_options): Recognize -include,
1722 -imacros, -iwithprefix, -iwithprefixbefore.
1723 * cpplib.c (cpp_start_read): Process -imacros and -include
1724 switches at the same time and in command-line order, after
1725 initializing the dependency-output code. Emit properly nested
1726 #line directives for them. Emit a #line for the main file
1727 before processing these switches, and don't do it again
1730 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1732 * function.c (purge_addressof_1): Use bitfield manipulation
1733 routines to handle mem mode < reg mode.
1735 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1737 * reorg.c (try_merge_delay_insns): Account for resources referenced
1738 in each instruction in INSN's delay list before trying to eliminate
1739 useless instructions. Similarly when looking at a trial insn's delay
1742 * reorg.c (check_annul_list_true_false): New function.
1743 (steal_delay_list_from_{target,fallthrough}): Call it and also
1744 refine tests for when we may annul if already filled a slot.
1745 (fill_slots_from_thread): Likewise.
1746 (delete_from_delay_slot): Return newly-created thread.
1747 (try_merge_delay_isns): Use its new return value.
1749 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1751 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1752 used to compute a giv or as some other non-counting use.
1754 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1756 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1757 * local-alloc.c (find_free_reg): Use it.
1758 * global.c (find_reg): Likewise.
1759 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1761 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1762 * caller-save.c (init_caller_save): Use it.
1763 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1765 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1767 * configure.in: Add --enable-cpplib option which uses cpplib
1768 for cpp, but doesn't link cpplib into cc1. Make help text
1769 capitalization consistent.
1770 * configure: Rebuilt.
1772 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1774 * function.c (gen_mem_addressof): If the address REG is
1775 REG_USERVAR_P make the new REG be so also.
1776 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1777 in an attempt to clarify slightly.
1779 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1781 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1782 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1784 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1786 * toplev.c: Fix last patch.
1788 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1790 * loop.c (get_condition): Fix typo in May 9 change.
1792 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1794 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1796 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1798 * toplev.c (documented_lang_options): Spelling corrections.
1800 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1802 * configure.in: new flags --with-ld and --with-as, equivalent
1803 to setting LD and AS environment variables. Test whether
1804 specified arguments are GNU commands, and report them with
1805 checking messages. Use the specified AS for configure
1808 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1810 * gcc.c (find_a_file): when looking for `as' and `ld', return
1811 the DEFAULT program if it exists
1812 * collect2.c (main): use DEFAULT_LINKER if it exists
1814 * gcc.c (find_a_file): the test for existence of a full
1815 pathname was reversed
1817 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1819 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1820 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1822 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1824 * tree.h (TYPE_BINFO): Document.
1826 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1828 * i386-coff.h (dbxcoff.h): Added.
1830 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1832 * toplev.c: fix bad patch around flag_data_sections.
1834 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1836 * reload1.c (reload): Use reload_address_index_reg_class and
1837 reload_address_base_reg_class when setting
1838 caller_save_spill_class. (Patch generated by Jim Wilson:
1841 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1843 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1844 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1845 * expr.c (store_field): Add alias_set parameter. Set the
1846 MEM_ALIAS_SET accordingly, if the target is a MEM.
1847 (expand_assignment): Use it.
1848 (store_constructor_field): Pass 0.
1849 (expand_expr): Likewise.
1851 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1853 * flags.h: Add flag_data_sections.
1854 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1855 (compile_file): Error if flag_data_sections not supported.
1856 * varasm.c (assemble_variable): Handle flag_data_sections.
1857 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1858 * config/mips/elf.h: Likewise.
1859 * config/mips/elf64.h: Likewise.
1860 * invoke.texi: Describe -fdata-sections.
1862 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1864 * invoke.texi (-ffloat-store): Clarify that this option
1865 does not affect intermediate results -- only variables.
1867 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1869 * cpp.texi: Update for Fortran usage from Craig.
1871 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1873 * rs6000.c (function_arg_boundary): Revert accidental change on
1876 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1878 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1879 (output_mi_thunk): Declare.
1881 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1882 (output_function_profiler): Use r12 for temp, instead of r11 so
1883 that we preserve the static chain register.
1885 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1887 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1889 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1891 * sh.c (gen_shl_sext): Fix case 5.
1893 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1895 * reload1.c (reload_combine): Re-add line that got accidentally lost.
1897 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1899 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
1900 accessing variables until they are initialized via va_arg().
1902 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1904 * reload1.c (reload_combine): Initialize set before using.
1906 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
1908 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
1911 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
1913 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
1914 operand3 with mask before using it. Patch provided by Jim Wilson.
1916 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1918 * config/sparc/sparc.c (function_value): Perform the equivalent of
1919 PROMOTE_MODE for ARCH64.
1920 (eligible_for_epilogue_delay): Allow DImode operations in delay
1921 slot of a return for ARCH64.
1923 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 * sh.md (sqrtsf2): Fix mode of sqrt.
1927 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1929 * reload1.c (choose_reload_regs): Also try inheritance when
1930 reload_in is a stack slot of a pseudo, even if we already got a
1933 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1935 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
1936 (reload_cse_regs): New function body: call reload_cse_regs_1,
1937 reload_combine, reload_cse_move2add.
1938 When doing expensive_optimizations, call reload_cse_regs_1 a
1939 second time after reload_cse_move2add.
1940 (reload_combine, reload_combine_note_store): New functions.
1941 (reload_combine_note_use): New function.
1942 (reload_cse_move2add, move2add_note_store): New functions.
1944 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1946 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
1947 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
1949 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
1950 more than 3 such reloads.
1952 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
1953 RELOAD_FOR_X_ADDR_ADDR reload.
1955 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1957 * expr.c (store_constructor): When initializing a field that is smaller
1958 than a word, at the start of a word, try to widen it to a full word.
1960 * cse.c (cse_insn): When we are about to change a register,
1961 remove any invalid references to it.
1963 (remove_invalid_subreg_refs): New function.
1964 (mention_regs): Special treatment for SUBREGs.
1965 (insert_regs): Don't strip SUBREG for call to mention_regs.
1966 Check if reg_tick needs to be bumped up before that call.
1967 (lookup_as_function): Try to match known word_mode constants when
1968 looking for a norrower constant.
1969 (canon_hash): Special treatment for SUBREGs.
1971 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1973 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
1974 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
1975 defined, emit libcall to __enable_execute_stack. Also fix opcodes
1976 and offsets in actual stack trampoline code so they match the
1977 commentary and actually work.
1979 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1981 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
1983 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
1984 tmake_file. Set extra_parts to needed crt objects.
1985 * configure: Rebuilt.
1986 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
1987 (TARGET_DEFAULT): Set if default is v9 or ultra.
1988 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
1989 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
1990 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
1991 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1992 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
1993 (TARGET_VERSION): Define.
1994 (MULTILIB_DEFAULT): Define.
1995 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
1996 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
1997 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
1999 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2000 * config/sparc/sparc.c (sparc_override_options): If arch and
2001 pointer size disagree, emit diagnostic and fix it up. If
2002 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2003 V8PLUS in 64-bit mode.
2004 * config/sparc/t-linux64: New file.
2005 * config/sparc/t-sol2-64: New file.
2006 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2007 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2008 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2009 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2010 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2011 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2013 (STARTFILE_SPEC): Set approriately based upon those.
2014 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2015 disposition of DEFAULT_ARCH32_P.
2016 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2017 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2018 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2019 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2020 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2022 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2024 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2026 * rtl.h (init_virtual_regs): New function.
2027 * emit-rtl.c (init_virtual_regs): Define.
2028 (insn_emit): Use it.
2029 * integrate.c (save_for_inline_copying): Likewise.
2031 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2033 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2034 (enum reg_class): Add NONARG_LO_REGS support.
2035 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2036 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2037 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2038 completes. Re-enable HImode REG+OFFSET addresses.
2039 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2041 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2043 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2045 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2046 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2047 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2049 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2051 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2052 jumps as a single entity, taking into account the size of the
2055 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2057 * tree.def (SWITCH_EXPR): New tree node definition.
2059 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2061 * version.c: Bump for snapshot.
2063 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2065 * version.c: Bump for snapshot.
2067 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2069 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2072 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2074 * Revert this patch.
2075 * reload.c (find_reloads): Do not replace a pseudo with
2076 (MEM (reg_equiv_addr)) in the initializing insn for the
2079 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2081 * final.c (final_scan_insn): Disable tracking CC across branches.
2083 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2085 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2086 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2087 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2088 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2089 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2091 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2093 * toplev.c (rest_of_compilation): Skip compiling anything with
2094 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2096 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2098 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2099 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2100 use in_libcall_block.
2101 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2102 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2105 Mon Sep 21 14:02:23 1998
2107 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2108 typo in no-fancy-math-387 description.
2110 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2112 * version.c: Bump for snapshot.
2114 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2116 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2118 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2120 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2121 documented in install.texi.
2122 (TARGET_OPTIONS) Likewise.
2124 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2126 * version.c: Bump for snapshot.
2128 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2130 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2131 * cccp.c (main): Likewise.
2133 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2134 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2137 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2139 * Makefile.in (LIBS): Link in libiberty.a.
2140 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2142 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2144 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2145 it to update bb boundaries. Update caller.
2146 * function.c (reposition_prologue_and_epilogue_notes): Update
2147 bb boundaries wrt the moved note.
2149 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2151 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2153 * configure: Regenerate.
2155 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2157 * alpha.c (alpha_sr_alias_set): New variable.
2158 (override_options): Set it.
2159 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2160 (mode_mask_operand): Fix signed-unsigned comparision warning.
2161 (alpha_expand_block_move): Likewise.
2162 (print_operand): Likewise.
2163 (get_aligned_mem): Use change_address.
2164 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2165 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2166 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2167 (alpha_align_insns): Remade from old alphaev5_align_insns
2168 to handle multiple processors.
2169 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2170 * output.h (label_to_alignment): Prototype.
2172 * tree.c (new_alias_set): New function.
2173 * tree.h (new_alias_set): Declare it.
2174 * c-common.c (c_get_alias_set): Use it.
2176 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2178 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2179 to an ABS expr, convert an unsigned input to signed.
2181 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2183 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2185 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2187 * configure.in: Add support for c4x targets.
2188 * configure: Rebuilt.
2190 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2192 * combine.c (distribute_notes): If an insn is a cc0 user, only
2193 delete it if we can also delete the cc0 setter.
2195 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2197 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2198 (invert_truthvalue): Enable truthvalue inversion for
2199 floating-point operands if -ffast-math.
2201 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2203 * configure.in: Disable collect2 for nextstep. Instead use
2205 * configure: Rebuilt.
2206 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2207 (ENDFILE_SPEC): Define.
2208 (OBJECT_FORMAT_MACHO): Define.
2209 (EH_FRAME_SECTION_ASM_OP): Define.
2210 * crtstuff.c: Handle MACHO.
2212 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2214 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2216 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2218 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2219 (_fpadd_parts): Get sign right for 0.
2221 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2223 * ginclude/varargs.h: Add support for C4x target.
2224 * ginclude/stdargs.h: Likewise.
2226 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2228 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2229 (alpha_emit_set_long_const): Rewrite to be callable from reload
2231 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2232 * alpha.md (movdi): Likewise.
2234 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2236 * arm.c (add_constant): New parameter address_only, change caller.
2237 Set it non-zero if taking the address of an item in the pool.
2238 (arm_reorg): Handle cases where we need the address of an item in
2241 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2243 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2244 memory addresses that are not in standard canonical form.
2246 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2248 * README.C4X: New file with information about the c4x ports.
2249 * ginclude/va-c4x.h: New file for c4x varargs support.
2250 * config/c4x: New directory with c4x port files.
2252 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2254 * reload.c (find_reloads): Do not replace a pseudo with
2255 (MEM (reg_equiv_addr)) in the initializing insn for the
2258 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2260 * toplev.c (rest_of_compilation): Set bct_p on second call to
2262 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2264 (strength_reduce): Only call analyze_loop_iterations and
2265 insert_bct if bct_p set.
2266 (check_dbra_loop): Fix typo.
2267 (insert_bct): Use word_mode instead of SImode.
2268 (instrument_loop_bct): Likewise. Do not delete iteration count
2269 condition code generation insn. Initialize iteration count before
2271 * rtl.h (loop_optimize): Update prototype.
2273 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2274 not doubleword aligned.
2276 * rs6000.c (optimization_options): New function.
2277 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2278 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2279 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2280 first; cr1 can be used for FP record condition insns.
2282 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2284 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2287 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2290 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2292 (block_move_call): New function: Call a library routine to copy a
2294 (m32r_expand_block_move): New function: Expand a "movstrsi"
2295 pattern into a sequence of insns.
2296 (m32r_output_block_move): New function: Expand a
2297 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2298 (m32r_block_immediate_operand): New function: Return true if the
2299 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2301 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2303 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2305 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2307 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2309 * regmove.c (copy_src_to_dest): Check that modes match.
2311 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2313 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2315 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2317 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2318 narrower than FLOAT_REGS.
2320 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2322 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2324 * Makefile.in (old_gxx_include_dir): removed
2326 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2328 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2331 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2332 (sh_handle_pragma): Change function arguments to match new
2333 specification for HANDLE_PRAGMA.
2335 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2339 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2340 When generating output, initialize missing struct member to zero.
2342 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2344 * regmove.c (copy_src_to_dest): Don't copy if that requires
2345 (a) new register(s).
2347 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2349 * global.c (reg_allocno): Now static.
2350 * reload1.c (reg_allocno): Delete declaration.
2351 (order_regs_for_reload): Take no arguments. Don't treat regs
2352 allocated by global differently than those allocated by local-alloc.
2354 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2356 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2357 condition, fix format strings.
2358 (output_function_epilogue): Likewise.
2360 * m68k/m68k.c: Don't include <stdlib.h> directly.
2362 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2364 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2365 mem_first_set, mem_last_set; because 0 can be a CUID.
2366 (oprs_unchanged_p): Use new definition.
2367 (record_last_reg_set_info): Likewise.
2368 (record_last_mem_set_info): Likewise.
2369 (compute_hash_table): Likewise.
2371 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2373 * rs6000.c (output_epilogue): Handle Chill.
2375 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2376 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2378 * combine.c (make_extraction): If no mode is specified for
2379 an operand of insv, extv, or extzv, default it to word_mode.
2380 (simplify_comparison): Similarly.
2381 * expmed.c (store_bit_field): Similarly.
2382 (extract_bit_field): Similarly.
2383 * function.c (fixup_var_regs_1): Similarly.
2384 * recog.c (validate_replace_rtx_1): Similarly.
2385 * mips.md (extv, extzv, insv expanders): Default modes for most
2386 operands. Handle TARGET_64BIT.
2387 (movdi_uld, movdi_usd): New patterns.
2389 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2390 equivalent memory location unless we have been provided a scratch
2391 register. Similarly do not call find_replacement unless a
2392 scratch register has been provided.
2394 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2396 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2399 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2401 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2402 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2403 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2404 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2405 * c-decl.c (init_decl_processing): Update accordingly.
2406 * expr.c (expand_builtin): Likewise.
2408 * rtl.h (global_rtl): Add cfa entry.
2409 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2410 (LAST_VIRTUAL_REGISTER): Update.
2411 * emit-rtl.c (global_rtl): Add cfa entry.
2412 (init_emit): Initialize it.
2413 * function.c (cfa_offset): New.
2414 (instantiate_virtual_regs): Initialize it.
2415 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2416 (expand_function_end): Call expand_eh_return.
2417 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2419 * except.c (current_function_eh_stub_label): Kill.
2420 (current_function_eh_old_stub_label): Likwise; update all references.
2421 (expand_builtin_set_return_addr_reg): Kill.
2422 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2423 (expand_builtin_set_eh_regs): Kill.
2424 (eh_regs): Produce a third reg for the actual handler address.
2425 (eh_return_context, eh_return_stack_adjust): New.
2426 (eh_return_handler, eh_return_stub_label): New.
2427 (init_eh_for_function): Initialize them.
2428 (expand_builtin_eh_return, expand_eh_return): New.
2429 * except.h: Update prototypes.
2430 * flow.c (find_basic_blocks_1): Update references to the stub label.
2431 * function.h (struct function): Kill stub label elements.
2433 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2434 register number is one that would be in the previous window.
2435 Provide a dummy definition for non-windowed targets.
2436 (get_reg_addr): New function.
2437 (get_reg, put_reg, copy_reg): Use it.
2438 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2439 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2441 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2442 (alpha_init_expanders): Initialize it.
2443 (alpha_expand_epilogue): Use it.
2444 * alpha.h: Declare it.
2445 * alpha.md (eh_epilogue): New.
2447 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2448 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2450 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2452 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2455 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2457 * except.h (struct eh_entry): Add false_label field.
2458 (end_catch_handler): Add prototype.
2459 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2460 (start_catch_handler): When using old style exceptions, issue
2461 runtime typematch code before continuing with the handler.
2462 (end_catch_handler): New function, generates label after handler
2463 if needed by older style exceptions.
2464 (expand_start_all_catch): No need to check for new style exceptions.
2465 (output_exception_table_entry): Only output the first handler label
2466 for old style exceptions.
2467 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2468 mechanism into one function, if a runtime matcher is provided.
2470 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2472 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2474 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2476 * integrate.c (copy_decl_list): Fix typo.
2478 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2480 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2483 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2485 * version.c: Bump for snapshot.
2487 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2489 * version.c: Bump for snapshot.
2491 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2493 * version.c: Bump for snapshot.
2495 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2497 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2499 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2501 * configure.in: remove usage of `!' to negate the result of a
2502 command; some common shells do not support it
2504 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2506 * configure.in: in sparc9-sol2 config, use 'if test' not
2508 * configure: Rebuilt.
2510 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2512 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2513 (CPP_CPU_DEFAULT_SPEC): Likewise.
2514 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2515 for arch64 libfuncs.
2517 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2520 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2524 * collect2.c: Don't declare `sys_siglist' here.
2525 (my_strsignal): Prototype and define new function. Use it in
2526 place of `sys_siglist' hacks.
2528 * mips_tfile.c: Likewise.
2530 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2531 (GCC_NEED_DECLARATIONS): Likewise.
2533 * system.h (strsignal): Prototype it, if necessary.
2534 (sys_siglist): Declare it, if necessary.
2536 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2538 * loop.c (move_movables): While removing insn sequences, preserve
2539 the next pointer of the most recently deleted insn when we skip
2542 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2544 * objc/config-lang.in: Do not output the name of the selected
2545 thread file when building the front-end. The Makefile for the
2546 runtime library will do this.
2548 * objc/Make-lang.in: Do not build the runtime library or install
2549 the Objective C header files. The Makefile for the runtime
2550 library will do this.
2552 * objc/Makefile.in (all.indirect): Only build the front-end.
2553 (compiler): Rename to `frontend'.
2554 (obj-runtime): Remove target.
2555 (copy-headers): Likewise.
2556 (clean): No need to remove `libobjc.a' any longer.
2558 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2560 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2561 supported with -mcpu=xxx.
2563 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2565 * flow.c (mark_set_1): Recognize multi-register structure return
2566 values in CALL insns.
2567 (mark_used_regs): Likewise.
2568 (count_reg_sets_1): Likewise.
2569 (count_reg_references): Likewise.
2570 * rtlanal.c (note_stores): Likewise.
2571 (reg_overlap_mentioned_p): Likewise.
2572 * haifa-sched.c (check_live_1): Likewise.
2573 (update_live_1): Likewise.
2574 (sched_analyze_1): Likewise.
2575 (sched_note_set): Likewise.
2576 (birthing_insn_p): Likewise.
2577 (attach_deaths): Likewise.
2579 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2582 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2584 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2586 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2588 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2590 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2592 * configure.in: Add check for GAS subsection -1 support.
2593 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2594 * configure config.in: Rebuilt.
2595 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2596 SImode is subsection -1 works, else use DImode.
2597 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2598 subsection -1 works.
2599 * config/sparc/sparc.c (sparc_output_addr_vec,
2600 sparc_output_addr_diff_vec): Use them if defined.
2602 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2604 * tree.h (DECL_ORIGIN): New macro.
2605 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2606 (copy_decl_list): Use it.
2607 (integrate_parm_decls): Likewise.
2608 (integrate_decl_tree): Likewise.
2609 * dwarf2out.c (decl_ultimate_origin): Simplify.
2610 * dwarfout.c (decl_ultimate_origin): Likewise.
2611 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2612 (pushdecl): Likewise.
2614 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2616 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2618 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2620 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2622 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2624 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2625 empty or has a single entry.
2627 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2628 before calling reg_to_stack.
2630 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2632 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2633 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2635 * c-tree.h (warn_long_long): Declare it.
2637 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2639 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2640 initialized float-int union if the value is a NaN.
2642 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2644 * c-lex.c (real_yylex): Don't warn about long long constants if
2645 we're allowing long long
2647 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2649 * except.h (current_function_eh_stub_label): Declare.
2650 (current_function_eh_old_stub_label): Declare.
2651 * function.h (struct function): New members eh_stub_label and
2653 * except.c (current_function_eh_stub_label): New variable.
2654 (current_function_eh_old_stub_label): New variable.
2655 (init_eh_for_function): Clear them.
2656 (save_eh_status): Save them.
2657 (restore_eh_status): Restore them.
2658 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2659 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2660 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2661 make an edge from the block that contains it to the block starting
2662 with the label if this label is one of the eh stub labels.
2663 If eh stub labels exist, show they are reachable from the last block
2666 * reload1.c (reload): Break out several subroutines and make some
2668 (calculate_needs_all_insns): New function, broken out of reload.
2669 (calculate_needs): Likewise.
2670 (find_reload_regs): Likewise.
2671 (find_group): Likewise.
2672 (find_tworeg_group): Likewise.
2673 (something_needs_reloads): New global variable, formerly in reload.
2674 (something_needs_elimination): Likewise.
2675 (caller_save_spill_class): Likewise.
2676 (caller_save_group_size): Likewise.
2677 (max_needs): Likewise.
2678 (group_size): Likewise.
2679 (max_groups): Likewise.
2680 (max_nongroups): Likewise.
2681 (group_mode): Likewise.
2682 (max_needs_insn): Likewise.
2683 (max_groups_insn): Likewise.
2684 (max_nongroups_insn): Likewise.
2685 (failure): Likewise.
2687 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2689 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2691 * loop.c (load_mems): Copy rtx for output mem.
2693 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2695 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2696 mips1 or mips2 either.
2698 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2700 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2702 (pa_adjust_insn_length): Update to work with new marking scheme
2703 for jumps inside switch tables.
2704 * pa.md (switch_jump): Remove pattern.
2705 (jump): Handle jumps inside jump tables.
2707 * Makefile.in (profile.o): Depend on insn-config.h
2709 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2711 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2713 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2715 Add preliminary native sparcv9 Solaris support.
2716 * configure.in: Recognize sparv9-*-solaris2*
2717 * configure: rebuilt
2718 * config.sub: Recognize sparcv9 just like sparc64.
2719 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2720 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2721 32-bit and 64-bit Solaris systems.
2722 * config/sparc/t-sol2: Assemble those with cpp.
2723 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2724 (*TF*_LIBCALL): If ARCH64 use V9 names.
2725 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2727 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2729 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2730 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2732 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2734 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2735 to Pmode if CASE_VECTOR_MODE is something else.
2737 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2739 * prefix.c (update_path): Correctly handle cases where PATH is
2740 a substring of the builtin prefix, but specifies a different
2743 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2745 * expr.c: Corrected comment about what MOVE_RATIO does.
2746 * config/alpha/alpha.h: Ditto.
2747 * config/1750a/1750a.h: Ditto.
2748 * config/clipper/clipper.h: Ditto.
2749 * config/i386/i386.h: Ditto.
2751 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2753 * configure.in (m68k-next-nextstep3*): Use collect2.
2754 Similarly for x86 NeXT configurations.
2755 * configure: Rebuilt.
2757 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2759 * configure.in: Don't assume srcdir is .../gcc
2760 * configure: Rebuilt.
2762 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2764 * global.c: Update comments.
2765 (global_alloc): Assign allocation-numbers
2766 even for registers allocated by local_alloc in case
2767 they are later spilled and retry_global_alloc is called.
2768 (mark_reg_store, mark_reg_clobber,
2769 mark_reg_conflicts, mark_reg_death): Always record a
2770 conflict with a pseudo register even if it has been
2771 assigned to a hard register.
2772 (dump_conflicts): Don't list pseudo registers already assigned to
2773 a hard register as needing to be allocated, but do list their
2775 * local-alloc.c: Update comment.
2777 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2779 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2780 * configure: Rebuilt.
2782 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2784 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2786 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2787 for all targets that set -msoft-float.
2789 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2791 * toplev.c (print_switch_values): Make static to match prototype.
2793 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2795 * configure.in: If we are unable to find the "gnatbind" program,
2796 then do not configure the ada subdir.
2797 * configure: Rebuilt.
2799 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2801 * version.c: Bump for snapshot.
2803 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2805 * version.c: Bump for snapshot.
2807 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2809 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2810 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2812 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2814 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2816 * genextract.c: Have insn-extract.c include toplev.h.
2818 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2820 * toplev.c: Include expr.h.
2821 (really_sorry, fancy_abort): Remove prototypes.
2822 (set_target_switch): Add argument in prototype.
2823 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2824 (v_really_sorry): Likewise.
2825 (print_version, print_single_switch, print_switch_values): Make
2826 static and add prototype arguments.
2827 (decl_printable_name): Add prototype arguments.
2828 (lang_expand_expr_t): New typedef.
2829 (lang_expand_expr): Declare as a lang_expand_expr_t.
2830 (incomplete_decl_finalize_hook): Add prototype argument.
2831 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2832 (botch): Likewise for variable `s'.
2833 (rest_of_type_compilation): Mark variables `type' and `toplev'
2834 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2835 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2836 (display_help): Make variable `i' an `unsigned long'.
2837 (main): Remove unused parameter `envp'.
2838 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2839 Cast -1 when comparing it with a `size_t'.
2841 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2842 prototype with ATTRIBUTE_NORETURN.
2843 (fatal_insn_not_found, fatal_insn, really_sorry,
2844 push_float_handler, pop_float_handler): Add prototypes.
2845 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2846 (do_abort, botch): Add prototypes.
2848 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2850 * final.c (final): If a label is reached only from a single jump,
2851 call NOTICE_UPDATE_CC on the jump and its predecessor before
2852 emitting the insn after the label.
2854 * i386.h: Add AMD K6 support.
2855 Change TARGET_* macros to use table lookup.
2856 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2857 (ADJUST_COST): Change definition to call function in i386.c.
2858 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2859 * i386.c: Add AMD K6 support.
2860 Add constants for feature tests used by TARGET_* macros.
2861 (split_di): If before reload, call gen_lowpart and gen_highpart.
2862 (x86_adjust_cost): New function.
2863 (put_jump_code): New function.
2864 (print_operand): New codes 'D' and 'd'.
2865 * i386.md: New insn types. New insn attribute "memory".
2866 Redefine scheduling parameters to use new types and add AMD K6
2867 support. Explicitly set type of most insns.
2868 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2869 Pro and K6 prefer movl $1,reg to incl reg.
2870 (adddi3, subdi3): Set cc_status.
2871 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2872 to int; x86 can't have more than 2^31 DImode shifts per file.
2873 (setcc): Combine all setcc patterns. Allow writing memory.
2874 Combine all jump patterns using match_operator.
2875 (*bzero): Name pattern. Emit mutliple stos instructions when that
2876 is faster than rep stos.
2877 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2880 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2882 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2885 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2887 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2888 not whatever we're generating now.
2890 * alpha.c (set_frame_related_p, FRP): New.
2891 (alpha_expand_prologue): Mark frame related insns.
2892 (alpha_expand_epilogue): Likewise, but with a null FRP.
2893 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
2894 * alpha.md (exception_receiver): New.
2895 * alpha/crtbegin.asm (.eh_frame): New beginning.
2896 (__do_frame_setup, __do_frame_takedown): New.
2897 * alpha/crtend.asm (.eh_frame): New ending.
2898 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
2899 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
2900 (ASM_FILE_START): Don't emit .file for dwarf2.
2902 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
2903 * rtl.c (reg_note_name): Likewise.
2904 * rtl.texi (REG_NOTES): Likewise.
2905 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
2908 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
2910 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
2911 * i386.md (movsf, movdf, movxf): Validate memory address returned
2912 from force_const_mem. Kill useless REG_EQUAL setting code.
2914 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
2916 * m68k.md (zero_extendsidi2): Fix typo.
2918 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
2920 * configure.in: Removed references to the removed file
2921 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
2922 * arm*-*-netbsd* and ns32k-*-netbsd*.
2923 * config/i386/xm-netbsd.h: Removed unnecessary file.
2924 * config/m68k/xm-netbsd.h: Likewise.
2925 * config/sparc/xm-netbsd.h: Likewise.
2926 * config/mips/xm-netbsd.h: Likewise.
2928 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
2930 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
2931 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
2933 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
2934 for exact section attributions.
2936 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
2938 * i386/crtdll.h (CPP_PREDEFINES): Define.
2940 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
2942 * m68k.md (5200 movqi): Do not allow byte sized memory references
2944 * m68k.c (output_move_qimode): Do not use byte sized operations on
2947 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
2948 explicit rules for building. Similarly for alloca, vfprintf,
2949 choose-temp and mkstemp, getopt, getopt1, and obstack.
2950 (INCLUDES): Add $(srcdir)/../include.
2951 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
2952 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
2954 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
2956 * gcc.c (do_spec_1): [case 'o'] Account for
2957 lang_specific_extra_outfiles.
2958 (main): Correctly clear all slots in outfiles for
2959 lang_specific_extra_outfiles. Set input_file_number before
2960 calling lang_specific_pre_link.
2962 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
2964 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
2966 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2968 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
2970 (sparc_output_deferred_case_vectors): If no work to do, return.
2971 Fix thinko in Sept 1 change.
2973 1998-09-03 SL Baur <steve@altair.xemacs.org>
2975 * Makefile.in: add semicolon in BISON definition for portability.
2977 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2979 * config/nextstep.c (handle_pragma): Correct name of third
2982 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
2984 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
2985 * config/m32r/m32r.h: Make register 17 be fixed.
2986 * config/m32r/m32r.c: Use SImode for cc operations.
2988 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
2990 * invoke.texi (Warning Options): Add -Wnon-template-friend
2993 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
2995 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
2997 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
2999 * rs6000.md (movsf): Disable explicit secondary-reload-like
3000 functionality if TARGET_POWERPC64.
3001 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3004 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3006 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3007 and term.h from fixinc.wrap.
3009 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3011 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3012 safe to include both string.h and strings.h together.
3013 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3014 which headers to search for function declarations. Continue to
3015 prefer string.h over strings.h when both are not acceptable.
3017 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3019 * configure.in: Call GCC_HEADER_STRING.
3021 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3022 to include. Continue to prefer string.h over strings.h when both
3025 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3027 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3028 not assume top 32-bits of symbolic addresses are zero if
3031 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3033 * ginclude/va-alpha.h: Protect entire second portion of the
3034 file against double inclusion.
3036 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3038 Added support for the Boehm's garbage collector.
3039 * configure.in: Handle --enable-objc-gc.
3040 * configure: Rebuilt.
3041 * Makefile.in (CHECK_TARGETS): Add check-objc.
3042 (check-objc): New rule.
3043 * objc/Make-lang.in: Build a different Objective-C library that
3044 runs with the Boehm's collector.
3045 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3046 * objc/encoding.c: Correctly compute the size of compound types in
3047 the presence of bitfields. Skip the variable name of the type if
3048 any. Added support for long long.
3049 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3050 (_F_GCINVISIBLE): New mask.
3051 * objc/gc.c: New file. Compute the type memory mask associated with
3052 a class based on the runtime information.
3053 * objc/misc.c: Added the hooks that use the Boehm's collector
3054 allocation functions.
3055 * objc/objc-act.c (build_class_template): Generate a new class
3056 member (gc_object_type) to hold the class' type memory mask.
3057 (build_shared_structure_initializer): Initialize the new member to
3059 (encode_complete_bitfield): New function. Generate the new
3061 (encode_field_decl): Generate the new encoding only for the GNU
3063 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3065 (class_get_gc_object_type): New function to mark a pointer instance
3066 variable as a weak pointer.
3067 * objc/objc-features.texi: New file.
3068 * objc/objc.h (gc_object_type): New class member.
3069 * objc/objects.c (class_create_instance): Create a typed memory
3070 object when compiled with Boehm's collector support.
3071 * objc/sendmsg.c (__objc_init_install_dtable): Call
3072 __objc_send_initialize instead of setting the initialize flag.
3073 (__objc_send_initialize): Call __objc_generate_gc_type_description
3074 to generate the class type memory mask. Rewrite the code that
3075 sends the +initialize so that it is called only once (bug report
3076 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3077 * testsuite/objc: New testsuite for Objective-C type encoding.
3078 * testsuite/lib/objc-torture.exp: New file.
3079 * testsuite/lib/objc.exp: New file.
3081 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3083 * jump.c (jump_optimize): In if/then/else transformations, add
3084 another call to modified_between_p for the jump insn.
3086 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3088 * fix-header.c (symlink): Treat like readlink.
3090 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3092 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3095 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3097 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3098 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3099 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3101 * config/nextstep.c (handle_pragma): Take three arguments, as per
3102 the new HANDLE_PRAGMA macro specification.
3103 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3104 per the new HANDLE_PRAGMA macro specification.
3105 * config/i960/i960.c (process_pragma): Take three arguments, as
3106 per the new HANDLE_PRAGMA macro specification.
3108 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3110 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3111 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3112 if unknown pragmas are encountered.
3113 (handle_sysv_pragma): Interpret return code from
3114 handle_pragma_token (). Return success/failure indication rather
3115 than next unprocessed character.
3116 (pragma_getc): New function: retrieves characters from the
3117 input stream. Defined when HANDLE_PRAGMA is enabled.
3118 (pragma_ungetc): New function: replaces characters back into the
3119 input stream. Defined when HANDLE_PRAGMA is enabled.
3121 * c-pragma.c (handle_pragma_token): Return success/failure status
3124 * c-pragma.h: Change prototype of handle_pragma_token().
3126 * varasm.c: (handle_pragma_weak): Only create this function if
3127 HANDLE_PRAGMA_WEAK is defined.
3129 * c-common,c (decl_attributes): If defined call the expression
3130 contained within the INSERT_ATTRIBUTES macro before adding
3131 attributes to a decl.
3133 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3134 HANDLE_PRAGMA, which takes three arguments.
3135 (INSERT_ATTRIBUTES): Document this new macro.
3137 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3138 new INSERT_ATTRIBUTES macro.
3140 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3142 * config/sparc/sparc.md (movdf): Only generate special RTL for
3143 LABEL_REFs when PIC.
3144 (move_label_di): Remove
3145 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3146 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3147 references when PIC.
3148 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3149 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3150 output an .xword for all 64-bit cases.
3152 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3154 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3155 alignment, use FUNCTION_BOUNDARY instead.
3156 (sparc_output_deferred_case_vectors): Likewise.
3158 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3160 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3161 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3163 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3165 * alpha/va_list.h: New file.
3166 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3168 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3170 * NEWS: Add SCO Openserver and Unixware 7 notes.
3174 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3176 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3177 (record_constant_1): Handle RANGE_EXPR.
3179 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3181 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3182 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3183 and NOTE_INSN_RANGE_END specially.
3184 (reemit_notes): Likewise.
3186 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3188 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3189 (ultrasparc_sched_init): Remove unneeded &.
3191 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3193 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3194 for m68020-60, to prevent the use of fintrz.
3196 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3198 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3200 * Makefile.in: Likewise.
3201 * configure: Regenerated.
3203 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3205 * configure.in (gxx_include_dir): Changed to
3206 '${prefix}/include/g++'-${libstdcxx_interface}.
3207 * configure: Rebuilt.
3209 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3211 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3213 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3214 *sequences* *below* which scalar moves will be used.
3216 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3218 * collect2.c (mktemp): Delete unused declaration.
3220 * config/xm-netbsd.h: Remove unnecessary file.
3221 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3222 file anymore, it is not needed.
3224 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3226 * convert.c (convert_to_integer): Issue an error on conversions to
3229 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3231 * Makefile.in: Add lang_tree_files and gencheck.h.
3232 * configure.in: Generate them.
3233 * gencheck.c: Include gencheck.h.
3235 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3237 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3238 movdi_lo_sum_pic and movdi_high_pic and make visible.
3239 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3240 emit these when Pmode is not SImode.
3241 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3243 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3245 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3246 .linkonce directive after the first time.
3248 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3250 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3251 the clobbered operand overlaps with an input.
3252 (bne0_di): Similarly.
3254 * Makefile.in (INSTALL): Remove "--no-header" argument.
3256 * NEWS: Various updates.
3258 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3260 * config/sparc/sparc.c (arith_operand, const64_operand,
3261 const64_high_operand, arith_double_4096_operand): Mark mode as
3263 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3265 (sparc_emit_set_const64): Remove unused variable i.
3266 (sparc_splitdi_legitimate): Likewise for addr_part.
3267 (ultra_code_from_mask): Likewise for mask.
3268 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3269 reverse return values so it matches usage and comments.
3270 (ultra_flush_pipeline): Likewise.
3271 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3272 this_type, and allow loads and stores of differing FP modes as
3273 they do not create a conflict.
3274 (ultra_find_type): Initialize fpmode to SFmode, fix
3275 parenthesization thinkos in large conditional.
3276 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3277 Init free_slot_mask after ultra_cur_hist is reset, not before.
3278 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3279 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3280 use ultra_flush_pipeline instead, then re-init group pointer.
3281 Fix statement with no effect. If no progress made in, and no
3282 instructions scheduled at all, advance to new pipeline cycle else
3283 we get into an endless loop.
3284 (ultrasparc_adjust_cost): Remove previous arg.
3285 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3287 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3289 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3290 code. Use reg_overlap_mentioned_p to detect when source and
3291 destination overlap.
3292 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3294 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3296 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3297 COMPARISON_VAL, into invariant_p.
3299 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3301 * regmove.c (regclass_compatible_p): New function.
3302 (regmove_optimize): Use it.
3304 Use NREGS parameter insted of calling max_reg_num.
3306 (fixup_match_1): Don't use code = MINUS when later tieing with
3307 a hard register is likely.
3309 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3311 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3312 COMPARISON_VAL was normalized.
3314 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3316 * loop.c (check_dbra_loop): The loop ending comparison value
3317 must be an invariant or we can not reverse the loop.
3319 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3320 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3322 (load_mems_and_recount_loop_regs_set): Likewise.
3324 * i386.c (print_operand): Remove obsolete 'c' docs.
3326 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3328 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3329 * frame.c (init_object_mutex): New function.
3330 (init_object_mutex_once): Likewise.
3331 (find_fde): Call it.
3332 (__register_frame_info): Likewise.
3333 (__register_frame_info_table): Likewise.
3334 (__deregister_frame_info): Likewise.
3336 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3338 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3340 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3342 * loop.c (check_dbra_loop): Enable code for reversal
3343 of some loops without a known constant loop end.
3345 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3347 * haifa-sched.c (last_clock_var): New.
3348 (schedule_block): Initialize it.
3349 (schedule_insn): Use it to fill insn modes with issue information.
3351 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3352 Tag trapb and next insn with TImode.
3353 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3354 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3355 Invoke alphaev5_align_insns as appropriate.
3356 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3357 (MD_SCHED_VARIABLE_ISSUE): New.
3358 * alpha.md (attr type): Add multi.
3359 (define_asm_attributes): New.
3360 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3361 (arg_home): Likewise.
3362 (fnop, unop, realign): New.
3364 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3366 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3367 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3369 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3370 (rs6000-ibm-aix4.[12]*): Likewise.
3371 * configure: Regnerate.
3373 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3375 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3376 already contains the return address.
3378 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3380 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3381 word sized hunks when loading unaligned args into registers.
3383 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3384 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3386 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3388 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3390 * loop.c (check_dbra_loop): Add some code that would allow reversal
3391 of some loops without a known constant loop end if it were enabled.
3393 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3395 * mips.md (lshrsi3_internal2+2): Fix type-o.
3397 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3399 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3400 correctly with regards to stdio.h.
3402 * calls.c: Remove stdarg.h/varargs.h.
3405 * combine.c: Likewise.
3406 * cpperror.c: Likewise.
3407 * cpplib.c: Likewise.
3408 * cpplib.h: Likewise.
3409 * doprint.c: Likewise.
3410 * emit-rtl.c: Likewise.
3411 * final.c: Likewise.
3412 * fix-header.c: Likewise.
3414 * genattr.c: Likewise.
3415 * genattrtab.c: Likewise.
3416 * gencodes.c: Likewise.
3417 * genconfig.c: Likewise.
3418 * genemit.c: Likewise.
3419 * genextract.c: Likewise.
3420 * genflags.c: Likewise.
3421 * genopinit.c: Likewise.
3422 * genoutput.c: Likewise.
3423 * genpeep.c: Likewise.
3424 * genrecog.c: Likewise.
3425 * mips-tfile.c: Likewise.
3426 * prefix.c: Likewise.
3427 * protoize.c: Likewise.
3428 * regmove.c: Likewise.
3429 * toplev.c: Likewise.
3432 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3434 * config/sparc/sparc.c (sparc_override_options): If not
3435 TARGET_FPU, turn off TARGET_VIS.
3436 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3437 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3438 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3439 (movdi_insn_sp64): Add VIS fzero alternative.
3440 (clear_sf, clear_df): New VIS patterns.
3441 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3443 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3445 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3447 * loop.c (n_times_set, n_times_used, may_not_optimize,
3448 reg_single_usage): Convert to varrays. All uses changed.
3449 (insert_loop_mem): Return a value.
3450 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3451 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3454 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3457 * configure.in: Do not set thread_file to "irix" since no such
3460 * sparc.md (float abs/neg splits): Check reload_completed before
3461 calling alter_subreg.
3463 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3465 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3467 * config/sparc/sparc.h: Declare it.
3468 * config/sparc/sparc.md (float abs/neg splits): Use it.
3469 (all other splits): Handle SUBREGs properly where necessary.
3470 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3472 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3474 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3475 an insn on the unfilled_slots_list that has no delay slots.
3476 (fill_eager_delay_slots): Similarly.
3478 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3480 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3481 as an ordinary operand.
3483 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3485 * tree.c (valid_machine_attribute): Don't apply attributes to both
3488 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3490 * reload.c (operands_match_p): Handle rtvecs.
3492 * i386.c (legitimate_pic_address_disp_p): New.
3493 (legitimate_address_p): Use it.
3494 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3495 Handle constant pool symbols just like statics.
3496 (emit_pic_move): Use Pmode not SImode for clarity.
3497 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3498 [UNSPEC]: New, handling what we killed above.
3499 [PLUS]: Detect and abort on invalid symbol arithmetic.
3500 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3502 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3504 * alias.c: Include output.h.
3505 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3506 different if we're in a varargs function.
3507 * Makefile.in (alias.o): Depend on output.h
3509 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3511 * sh.h (GIV_SORT_CRITERION): Delete.
3513 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3515 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3516 * stupid.c (stupid_life_analysis): Ditto.
3517 * reload1.c (reload): Ditto.
3519 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3521 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3522 arith_double_4096_operand, arith_double_add_operand): New
3524 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3525 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3526 them to transform add/sub 4096 into add/sub -4096.
3528 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3530 * loop.c (scan_loop): Allocate some slop to handle pseudos
3531 generated by move_movables.
3532 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3535 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3537 * tree.def (DECL_RESULT): Correct documentation.
3539 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3541 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3542 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3543 conflicts will all RELOAD_FOR_OUTPUT reloads.
3545 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3546 loads the function result, substitute with a USE.
3548 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3550 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3551 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3552 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3553 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3554 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3555 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3557 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3558 'o' to 'm' for GPR variant constraints.
3560 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3562 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3564 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3566 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3567 when the source and destination overlap.
3569 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3570 clash with global type.
3572 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3574 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3576 * c-common.c (combine_strings): Also set TREE_READONLY.
3577 Change warn_write_strings to flag_const_strings.
3578 * c-decl.c, c-tree.h: Likewise.
3580 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3582 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3583 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3584 sequence, use SET/IOR instead so CSE can see it.
3585 * config/sparc/sparc.md (movhi_const64_special,
3586 movsi_const64_special): New patterns necessitated by that change.
3587 (movhi_high): Remove.
3588 (movhi_lo_sum): Change to match an IOR.
3589 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3590 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3591 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3592 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3593 registers are involved.
3594 (snesi_zero_extend split): Remove reload_completed test.
3595 (unnamed plus and minus zero_extend sidi splits): Add it.
3597 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3599 * extend.texi: Remove description of extension to explicit
3600 instantiation that is now endorsed by standard C++.
3602 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3604 * config/arc/arc.c (arc_initialize_pic): Remove.
3605 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3606 nothing on any platform and is invoked by no-one, it does not even
3607 appear in the documentation.
3608 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3609 * config/sparc/sparc.c (initialize_pic): Likewise.
3610 (find_addr_reg): Remove this as well, no longer referenced after
3613 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3615 * recog.c (validate_replace_rtx_group): New function.
3616 * recog.h (validate_replace_rtx_group): Declare it.
3617 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3618 the entire group of substitutions.
3620 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3622 * loop.c (load_mems): Fix initializers.
3624 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3626 * config/sparc/sparc.md (TFmode splits): Handle destination
3627 registers being referenced in the address correctly.
3629 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3630 TREE_UNSIGNED, when bitsize of type's mode is larger than
3631 HOST_BITS_PER_WIDE_INT.
3633 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3635 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3636 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3637 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3639 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3642 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3644 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3645 * h8300.h (TINY_DATA_NAME_P): Likewise.
3646 (STRIP_NAME_ENCODING): Handle '&'.
3648 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3649 register (it could be accessed via an outer SUBREG).
3650 (REG_OK_FOR_BASE_P): Likewwise.
3651 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3653 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3656 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3658 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3660 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3661 must be offsettable so the splits can be made.
3663 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3665 * config/i386/winnt.c: Include system.h, not stdio.h to get
3666 sys/param.h pulled in before rtl.h in case the system defines MIN
3669 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3671 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3673 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3675 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3677 * cpplib.c (cpp_define): Handle macros with parameters.
3679 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3681 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3682 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3683 and DImode 64-bit. Use llong for minimal-toc SFmode and
3684 SYMBOL_REF / LABEL_REF 64-bit.
3685 (output_function_profiler): Use llong for profiler label and ld to
3686 load 64-bit label address.
3688 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3690 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3693 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3695 * version.c: Bump for snapshot.
3697 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3699 * version.c: Bump for snapshot.
3701 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3703 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3705 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3707 * tm.texi (Misc): Fix typo "teh".
3709 * tm.texi (PIC): Fix typo "PPIC".
3711 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3712 effect when -O2 and higher.
3713 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3715 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3717 * regclass.c: Changed register set documentation to be consistent
3720 * final.c (final_start_function) Removed redundant test for
3723 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3725 * rtl.h (rtx_function): New type.
3726 (for_each_rtx): New function.
3727 * rtlanal.c (for_each_rtx): Define it.
3729 * recog.c (change_t): New type.
3730 (change_objects, change_old_codes, change_locs, change_olds):
3732 (changes): New variable.
3733 (validate_change): Dynamically allocate room for more changes, if
3734 necessary. Uses changes array instead of change_objects, etc.
3735 (apply_change_group): Use changes array instead of
3736 change_objects, etc.
3738 * loop.c (loop_mem_info): New type.
3739 (loop_mems): New variable.
3740 (loop_mems_idx): Likewise.
3741 (looop_mems_allocated): Likewise.
3742 (scan_loop): Remove nregs parameter.
3743 (next_insn_in_loop): New function.
3744 (load_mems_and_recount_loop_regs_set): Likewise.
3745 (load_mems): Likewise.
3746 (insert_loop_mem): Likewise.
3747 (replace_loop_mem): Likewise.
3748 (replace_label): Likewise.
3749 (INSN_IN_RANGE_P): New macro.
3750 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3751 (scan_loop): Remove nregs parameter, compute it after any new
3752 registers are created by load_mems. Use INSN_IN_RANGE_P and
3753 next_insn_in_loop rather than expanding them inline. Call
3754 load_mems to load memory into pseudos, if appropriate.
3755 (prescan_loop): Figure out whether or not there are jumps from the
3756 loop to targets other than the label immediately following the
3757 loop. Call insert_loop_mem to notice all the MEMs used in the
3758 loop, if it could be safe to pull MEMs into REGs for the duration
3760 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3762 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3764 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3766 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3768 * config/sparc/sparc.c (finalize_pic): Check for the correct
3769 nonlocal_goto_receiver UNSPEC number.
3770 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3771 making note of this dependency existing in sparc.c
3772 (negtf2_notv9 split): Give NEG SFmode.
3773 (negsf2): Fix insn output string.
3775 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3777 * c-common.c (decl_attributes): Issue an error if the argument
3778 to alias is not a string.
3780 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3782 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3783 pending memory flush list.
3785 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3787 (try_combine): Allow combining insns with REG_LIBCALL notes.
3789 * expr.c (emit_block_move): Do not call memcpy as a libcall
3790 instead build up a CALL_EXPR and call it like any other
3792 (clear_storage): Similarly for memset.
3794 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3797 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3800 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3801 and REG_LIVE_LENGTH as successful substitutions are made.
3803 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3805 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3806 statement after end of loop label.
3808 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3810 * config/sparc/sparc.c (ultra_types_avail): New variable.
3811 (ultra_build_types_avail): New function to record mask of insn
3812 types in ready list at this cycle.
3813 (ultrasparc_sched_reorder): Call it.
3814 (ultra_find_type): Use it to quicken the search. Also simplif
3815 dependency check, don't use rtx_equal_p because we know exactly
3816 what we are looking for.
3818 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3820 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3821 for architecture v4.
3823 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3825 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3827 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3828 movdf_const_intreg and helper splits): New patterns to move float
3829 constants into integer registers.
3830 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3833 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3836 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3838 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3840 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3841 a BASE_REGS register is needed as an intermediate when copying
3842 a symbolic value into any register class other than BASE_REGS.
3844 * expr.c (move_by_pieces): No longer static. Remove prototype.
3845 * rtl.h (move_by_pieces): Add extern prototype.
3846 * mips.c (expand_block_move): Handle aligned straight line copy by
3847 calling move_by_pieces.
3849 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3852 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3854 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3855 jumps out of the loop to be treated as part of the exit test.
3857 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 Jeff Law <law@cygnus.com>
3860 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3861 * cplus-dem.c: Delete.
3863 * Makefile.in (fold-const.o): depend on $(RTL_H).
3865 * fold-const.c: Include rtl.h to get the prototype for
3866 `set_identifier_local_value'.
3868 * loop.c (express_from_1): Remove unused variable `tmp'.
3869 (combine_givs): cast the first argument of bzero to char *.
3871 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3873 * c-decl.c (init_decl_processing): Remove unneeded &.
3875 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3877 * except.c (set_exception_lang_code, set_exception_version_code):
3878 Change parameter from `short' to `int' to avoid using a gcc
3881 * except.h (set_exception_lang_code, set_exception_version_code):
3882 Likewise for prototypes.
3884 * flow.c (count_reg_references): Remove unused variables `regno'
3887 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3889 * prefix.c (translate_name): Cast the result of `alloca'.
3891 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
3893 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3895 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
3897 (valid_dbcc_comparison_p): Mark mode argument as unused.
3898 (symbolic_operand): Likewise.
3899 (legitimize_pic_address): Likewise.
3900 (const_uint32_operand): Likewise.
3901 (const_sint32_operand): Likewise.
3902 * sched.c [!INSN_SCHEDULING]: Define only dummy function
3903 schedule_insns and comment out rest of file.
3905 * m68k.c (output_move_simode_const): Use subl to move a zero into an
3907 (output_move_[hq]imode): Likewise.
3909 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
3911 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
3912 * invoke.texi: Corresponding changes.
3914 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
3916 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
3918 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sparc.c (ultra_code_from_mask,
3921 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3922 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
3923 ultrasparc_sched_init, ultrasparc_variable_issue,
3924 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
3925 functions to describe UltraSPARC pipeline exactly to Haifa.
3926 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
3927 as there is nothing the scheduler can do about it. Indicate that
3928 REG_DEP_OUTPUT's collide. Fixup formatting.
3929 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
3930 divide costs on Ultra for DImode.
3931 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
3933 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
3934 ieuN and add call_no_delay_slot to type list.
3935 (cti function unit): New unit for branches on UltraSPARC.
3936 (subx/addx insns): Set type to misc.
3937 (sidi zero/sign extension insns on arch64): Set type to shift.
3938 (sign_extendhidi2_insn): Set type to sload.
3940 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
3942 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
3943 (output_epilog): Use if != 0 for offset.
3944 (rs6000_fatal_bad_address): Prepare for Intl.
3945 * rs6000.h (rs6000_fatal_bad_address): Declare.
3946 * rs6000.md (movsfcc, movdfcc): Use else if.
3947 (elf_high): Use {liu|lis}.
3948 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
3949 (movsi): Use rs6000_fatal_bad_address.
3951 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
3953 * reload.c (find_equiv_reg): Reject equivalences separated
3954 by a volatile instruction.
3956 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3958 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
3960 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
3962 * alpha.md (movsicc): Fix mode mismatch.
3964 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
3966 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
3968 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
3970 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3972 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
3973 write-only modifier from operand 1 constraint.
3975 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3977 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
3978 emitting a XOR of -1 at the end, emit a NOT instead for combine's
3980 (sparc_emit_set_const64): Likewise, also when computing trailing
3981 bits do not negate low_bits and make fast_int an int.
3983 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
3985 * loop.c (add_label_notes): Do not ignore references to labels
3986 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
3987 * gcse.c (add_label_notes): Similarly.
3989 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
3991 * m68k.md (adddi_dilshr32): One of the operands must be a register.
3992 (adddi_dishl32): Similarly.
3994 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
3996 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
3997 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
3998 * cse.c (cse_basic_block): Add parens to shut up warnings.
4000 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4002 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4003 sparc_emit_set_const64_longway, const64_is_2insns,
4004 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4005 in 64-bit constant formation.
4006 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4007 rtl for addx not subx.
4008 (define_insn movdi_const64_special): Make available even when
4009 HOST_BITS_PER_WIDE_INT is not 64.
4010 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4011 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4012 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4013 instances of operand 1 inside a QI subreg.
4014 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4015 (one_cmpldi2_sp64): Fix output string.
4016 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4018 (unnamed arch64 ashift DI): Truncate shift count if greater than
4021 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4023 * expr.c (store_expr): Don't optimize away load-store pair
4024 when either source or destination have a side effect.
4026 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4028 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4029 operands of SET are incompatible.
4031 * alpha.md: Fix max and min patterns so modes of SET operands match.
4033 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4035 * configure.in: Avoid [[ by using test and changequote.
4036 * configure: Rebuild.
4038 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4040 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4042 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4043 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4044 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4045 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4046 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4047 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4048 Fix mismatching modes in SET operands.
4049 (conditional move patterns): Fix formatting.
4050 (unnamed subx arch64 pattern): Remove duplicate insn.
4052 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4054 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4055 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4056 (input_operand): Fixup test for what we accept for constant
4058 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4060 (safe_constDI): Remove.
4061 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4062 gen_safe_XOR64): New functions.
4063 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4064 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4066 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4067 available when HOST_BITS_PER_WIDE_INT is not 64.
4068 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4069 move before movdi_insn_sp64 pattern.
4070 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4071 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4072 symbolic_operand as predicate for second operand.
4073 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4074 expander): Give set VOIDmode.
4076 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4078 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4080 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4082 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4084 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4086 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4088 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4090 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4092 * install.texi: Various SCO OpenServer tweaks.
4094 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4096 * reload1.c (eliminate_regs_in_insn): Handle another case when
4097 eliminating the frame pointer to the hard frame pointer. Add
4098 missing ep->to_rtx check to one existing case.
4100 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4102 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4104 * tree.h: De-conditionalize init_priority code.
4106 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4107 * collect2.c (NM_FLAGS): Change from -p to -n.
4109 * configure.in: Turn on collect2 for mipstx39-elf.
4110 Handle use_collect2=no properly.
4112 * c-common.c: De-conditionalize init_priority code.
4113 * collect2.c (extract_init_priority, sort_ids): New fns.
4114 (main): Call sort_ids.
4115 Move sequence_number to file scope.
4117 * configure.in: Handle --enable-init-priority.
4118 * c-common.c (attrs): Add A_INIT_PRIORITY.
4119 (init_attributes, decl_attributes): Likewise.
4120 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4121 * tree.c (get_file_function_name_long): Split out...
4122 (get_file_function_name): ...from here.
4124 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4126 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4129 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4131 * toplev.c (display_help): Add braces to shut up warnings.
4132 * tree.c (simple_cst_equal): Likewise.
4134 * fold-const.c (non_lvalue): Don't deal with null pointer
4136 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4138 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4139 of any size to a pointer.
4141 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4143 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4145 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4147 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4148 which will be saved.
4149 * mn10300.md (prologue insn): Only save registers which need saving.
4150 (epilogue insn): Similarly.
4152 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4155 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4157 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4158 VAR_DECL's in gp addressable sections.
4160 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4162 * sparc.c: Change return <exp> to <exp>; return; in functions
4164 * sparc.md: Add empty semicolon statement after final label in
4167 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4169 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4170 addx_extend_sp64, only allow when TARGET_ARCH64.
4171 (define_insn addx_extend_sp32 and split): Version that works when
4173 (define_insn subx_extend): Likewise.
4174 (define_split adddi3 and subdi3 with zero extension): Fixup and
4175 correct bugs when not TARGET_ARCH64.
4177 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4179 * except.c (set_exception_lang_code, set_exception_version_code):
4180 Use prototype-style definition if __STDC__, to match declaration
4183 * genemit.c: Change FAIL and DONE macros not to use loops.
4185 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4187 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4188 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4190 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4192 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4194 * README.g77: Update from Craig.
4196 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4198 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4200 (safe_constDI sparc_emit_set_const64_quick1,
4201 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4202 analyze_64bit_constant, const64_is_2insns,
4203 create_simple_focus_bits): Fix some bugs when compiled on real
4205 (function_arg_record_value_3, function_arg_record_value_2,
4206 function_arg_record_value): Add fully prototyped forward decls.
4207 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4208 to cmpsi_insn and use on both 64 and 32 bit targets.
4209 (define_insn cmpsi_insn_sp64): Remove.
4210 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4211 (define_insn zero_extendsidi2_insn): Rename to
4212 zero_extendsidi2_insn_sp64.
4213 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4214 assosciated forced split for it.
4216 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4218 * config/sparc/sparc.h: Declare them.
4219 (PREDICATE_CODES): Add them.
4220 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4221 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4223 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4225 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4226 in v9 case as the latter makes the Solaris assembler crash.
4228 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4230 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4231 for TFmode when !v9. We require offsettable memory addresses.
4232 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4233 DFmode register number conversions.
4234 * config/sparc/sparc.md (define_split DFmode moves): If register
4235 is a SUBREG do alter_subreg on it before using.
4236 (define_expand movtf): Fixup comment about alignment on v9.
4237 (define_split TFmode moves): Don't use gen_{high,low}part, create
4238 explicit SUBREGs instead.
4240 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4242 * Makefile.in (mbchar.o): Depend on mbchar.c.
4244 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4245 Richard Henderson <rth@cygnus.com>
4247 Rewrite Sparc backend for better code generation and
4248 improved sparc64 support.
4249 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4251 * config/sparc/sysv4.h: Likewise.
4252 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4253 move_operand, v8plus_regcmp_op, emit_move_sequence,
4254 singlemove_string, doublemove_string, mem_aligned_8,
4255 output_move_double, output_move_quad, output_fp_move_double,
4256 move_quad_direction, output_fp_move_quad, output_scc_insn):
4258 (small_int_or_double): New predicate.
4259 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4260 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4261 old pic_{sethi,lo_sum}_si patterns.
4262 (mem_min_alignment): New generic function to replace
4263 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4264 available and can test for arbitrary alignments. All callers
4266 (save_regs, restore_regs, build_big_number,
4267 output_function_prologue, output_cbranch, output_return,
4268 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4269 sparc_flat_output_function_epilogue): Prettify
4271 (output_function_epilogue): Likewise and add code to output
4272 deferred case vectors.
4273 (output_v9branch): Likewise, add new arg INSN and use it to tack
4274 on branch prediction settings. All callers changed.
4275 (print_operand): Likewise and output %l44 for LO_SUMs when
4277 (sparc_splitdi_legitimate): New function to make sure DImode
4278 splits can be run properly when !arch64.
4279 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4280 Reformat example code in comments.
4281 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4282 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4283 of deferred case vectors we need to output.
4284 (sparc_defer_case_vector): Record a case vector.
4285 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4286 sparc_output_deferred_case_vectors): New functions to output them.
4287 (sparc_emit_set_const32): New function to form 32-bit constants in
4288 registers when that requires more than one instruction.
4289 (safe_constDI, sparc_emit_set_const64_quick1,
4290 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4291 analyze_64bit_constant, const64_is_2insns,
4292 create_simple_focus_bits, sparc_emit_set_const64): New functions
4293 which do the same for 64-bit constants when arch64.
4294 (sparc_emit_set_symbolic_const64): New function to emit address
4295 loading for all code models on v9.
4296 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4297 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4298 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4299 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4300 inaccuracies in comments, add symbolic and text_segment operands
4301 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4302 GENERAL_REGS in these cases as a temp REG is needed to load these
4303 addresses into a register properly.
4304 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4306 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4307 quads are guarenteed to have 16-byte alignment.
4308 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4309 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4310 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4311 deferred case vector implementation.
4312 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4313 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4314 Generate "internal label - label" instead of "label - 1b".
4315 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4316 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4317 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4319 (doublemove_string, output_block_move, output_fp_move_double,
4320 output_fp_move_quad, output_move_double, output_move_quad,
4321 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4322 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4323 (sparc_emit_set_const32, sparc_emit_set_const64,
4324 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4325 mem_min_alignment, small_int_or_double): Add externs.
4326 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4327 UNSPEC_VOLATILE in this backend.
4328 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4329 unary to types which execute in it.
4330 (define_function_unit ieu_shift): Rename to ieu0.
4331 (define_function_unit ieu1): New, executes compare, call, and
4332 uncond_branch type insns.
4333 (define_function_units for type fdivs, fdivd, fsqrt): These
4334 execute in the fpu multiply unit not the adder on UltraSparc.
4335 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4336 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4337 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4338 allows the arith_double_operand predicate and rHI constraint when
4340 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4341 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4342 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4343 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4344 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4345 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4346 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4347 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4348 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4349 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4350 sign_extendqihi2_insn, sign_extendqisi2_insn,
4351 sign_extendqidi2_insn, sign_extendhidi2_insn,
4352 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4353 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4354 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4355 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4356 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4357 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4358 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4359 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4360 smulsi3_highpart_v8plus, unnamed subreg mult,
4361 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4362 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4363 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4364 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4365 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4366 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4367 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4368 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4369 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4370 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4371 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4372 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4373 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4374 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4375 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4376 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4377 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4378 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4379 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4380 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4381 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4382 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4383 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4384 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4385 call_address_untyped_struct_value_sp32,
4386 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4387 call_value_symbolic_sp32, call_value_address_sp64,
4388 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4389 flush_register_windows, goto_handler_and_restore,
4390 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4391 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4392 return_addsi, return_di, return_adddi, return_sf, all call+jump
4393 peepholes, trap, unnamed trap insns): Prettify output strings.
4394 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4395 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4396 Likewise and force + implement splits for integer cases.
4397 (define_insn return_sf_no_fpu): Likewise and allow to match when
4398 no-fpu because of our subreg SFmode splits.
4399 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4400 zero_extendqidi2_insn, zero_extendhidi2_insn,
4401 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4402 input_operand for second operand.
4403 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4404 reg_or_0_operand for operand 2 so new splits can use it.
4405 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4406 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4408 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4409 CONST_DOUBLEs for operand 2.
4410 (define_insn move_label_di): Likewise and label distance
4411 optimization because it no longer works with new deferred case
4412 vector scheme. To be revisited.
4413 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4414 and allow reg_or_0_operand and J constraint for second operand.
4415 (define_insn jump): Set branch predict taken on V9.
4416 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4417 new deferred case vector scheme.
4418 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4419 (define_insn negdi2_sp32): Force + implement splits.
4420 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4421 one_cmplsi2_not_liveg0 respectively, and create expander of original
4422 names which emit special rtl for TARGET_LIVE_G0.
4423 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4424 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4425 gen_compare_reg, FAIL instead.
4426 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4427 values when trying to reverse condition codes, if they FAIL then
4429 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4430 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4431 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4432 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4433 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4434 set output string to # to indicate they are mandatory splits.
4435 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4436 pic_sethi_di, move_pic_label_si): Remove.
4437 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4438 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4440 (define_expand movsi_pic_label_ref, define_insn
4441 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4442 expander and insns to handle PIC label references and deferred
4444 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4446 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4447 Rewrite to not use emit_move_sequence, make use of new constant
4448 formation code, and new splits for all multi-insn cases.
4449 (define_insn movqi_insn): Remove sethi case, it can never happen.
4450 Use reg_or_zero_operand instead of const0_rtx explicit test,
4451 use input_operand instead of move_operand for source, and use
4452 general_operand now for dest.
4453 (define_insn movhi_insn): Similar but leave sethi case.
4454 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4455 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4456 movhi_lo_sum respectively, prettify output string.
4457 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4458 register when needed on TARGET_LIVE_G0.
4459 (define_insn movsi_insn): Use general_operand and input_operand
4460 for dest and src respectively. Simplify applicability test.
4461 Prettify output strings, and add clr alternative for J
4463 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4464 deprecated std and reg-reg DI moves): Remove and...
4465 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4466 implementation which uses forced splits for all non-single insn
4468 (define_split DI move cases on !arch64): New splits to handle all
4469 situations of 64-bit double register DImode on 32bit, and
4470 unaligned registers and memory addresses for all subtargets.
4471 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4473 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4474 input_operand for dest and src respectively, prettify output
4476 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4477 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4479 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4480 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4481 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4482 movtf_no_e_insn_sp64) Replace with new
4483 implementation which uses forced splits for all non-single insn
4485 (define_split DF move cases): New splits in similar vein to DI
4487 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4488 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4489 movdi_sp64_insn): Remove old v9 code model and constant loading
4491 (define_insn pic_lo_sum_di, pic_sethi_di,
4492 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4493 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4494 embmedany_sethi, embmedany_losum, embmedany_brsum,
4495 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4496 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4497 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4498 scheme, using unspecs, secondary reloads, and one to one sparc
4499 insn to rtl insn mapping for better scheduling and code gen.
4500 (define_expand reload_indi, reload_outdi): Reload helpers for
4501 MEDANY and EMBMEDANY symbol address loading cases which require a
4503 (define_expand movsicc): Remove v8plus_regcmp cases.
4504 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4505 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4506 cmp_diqi_trunc_set): New patterns used by some of the new scc
4508 (define_insn xordi3_sp64_dbl): New pattern used for constant
4509 formation when crossing from 32-bit targets.
4510 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4512 (define_insn addx, subx): Make visible and prettify.
4513 (define_insn adddi3_insn_sp32): Likewise and force split.
4514 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4515 64bit scc split usage.
4516 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4517 zero_extend, subdi3): Force and implement splits.
4519 * final.c (final_scan_insn): Don't output labels if target
4520 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4523 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4524 don't forget to walk inside SEQUENCESs too as these are what the
4525 delay slot scheduler will create.
4527 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4529 * alpha.md (extxl+1,+2): New patterns to work around
4532 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4534 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4535 caused bad assembly code to be generated.
4537 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4539 * netbsd.h: Fix typo.
4541 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4543 * config.sub: Fix typo.
4545 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4547 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4549 (Running Protoize): Typo: Change "ther" into "other".
4551 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4553 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4554 * m68k/netbsd.h: Likewise.
4555 * ns32k/netbsd.h: Likewise.
4556 * sparc/netbsd.h: Likewise.
4558 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4560 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4561 * ginclude/va-clipper.h (va_list): Likewise.
4563 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4565 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4566 load/store multiple instructions unless user overrides.
4568 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4570 * ns32k/netbsd.h: Fix typo.
4572 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4574 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4575 labels with .debugsym if no parallel insns.
4577 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4579 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4580 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4582 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4584 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4585 (AR_FOR_TARGET): Define.
4587 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4589 * dyn-string.h: New file.
4590 * dyn-string.c: Likewise.
4591 * Makefile.in (OBJS): Add dyn-string.o.
4592 (dwarf2out.o): Add dyn-string.h dependency.
4593 (dyn-string.o): List dependencies.
4594 * dwarf2out.c: Include dyn-string.h.
4595 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4596 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4597 prototype. Use dyn_string_append rather than strcat, throughout.
4598 (addr_to_string): Use dyn_string_t.
4600 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4602 Function entry/exit profiling instrumentation:
4603 * expr.h (profile_function_entry_libfunc,
4604 profile_function_exit_libfunc): Declare new variables.
4605 * optabs.c: Define them here.
4606 (init_optabs): Initialize them.
4607 * tree.h (struct tree_decl): New flag
4608 no_instrument_function_entry_exit.
4609 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4610 * c-decl.c (duplicate_decls): Merge it.
4611 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4612 (init_attributes): Use it for "no_instrument_function".
4613 (decl_attributes): Handle it, for functions that have not yet been
4614 compiled. Set decl flag.
4615 * flags.h (flag_instrument_function_entry_exit): Declare new
4617 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4618 (f_options): New option "instrument-functions".
4619 * function.h (struct function): New field instrument_entry_exit.
4620 * function.c (current_function_instrument_entry_exit): New
4622 (push_function_context_to, pop_function_context_from): Save and
4624 (expand_function_start): Set current_ variable, maybe emit return
4625 label and entry profile call.
4626 (expand_function_end): Maybe emit exit profile call.
4628 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4630 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4631 NON_QI_REG_P, pretend the register is SImode.
4633 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4635 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4636 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4637 manufacturer id for ns32k.
4638 * configure: Regenerated.
4639 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4640 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4641 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4642 * config/m68k/netbsd.h: Same.
4643 * config/ns32k/netbsd.h: Same.
4644 * config/sparc/netbsd.h: Same.
4646 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4648 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4649 or UNROLL_COMPLETELY loop that starts with a jump to its
4652 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4654 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4655 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4656 (print_operand, case 'B'): Don't fall through.
4657 (print_operand, case 'S'): Correct mask begin/end computation.
4658 Use HOST_BITS_PER_WIDE_INT.
4659 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4660 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4661 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4662 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4664 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4666 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4667 constraint from second alternative.
4669 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4671 * configure.in: Fix --without/--disable cases for local-prefix,
4672 gxx-include-dir and checking.
4674 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4676 * configure.in (enable_haifa): Set by default for sparc64 too.
4679 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4681 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4682 * i386/winnt.c (associated_type): New fn.
4683 (i386_pe_valid_type_attribute_p): New fn.
4684 (i386_pe_check_vtable_importexport): Remove.
4685 (i386_pe_dllexport_p): Use associated_type.
4686 (i386_pe_dllimport_p): Likewise.
4688 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4689 * i386.c (i386_valid_type_attribute_p): Also accept
4690 attributes for METHOD_TYPEs.
4692 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4694 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4696 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4698 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4700 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4701 them from generating a new base name for each occurence of
4704 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4706 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4708 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4712 * cplus-dem.c (type_kind_t): New type.
4713 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4714 on this paramter, rather than demangling the type again.
4715 (demangle_integral_value): Pass tk_integral.
4716 (demangle_template_: Pass the value returned from do_type.
4717 (do_type): Return a type_kind_t. Pass tk_integral to
4718 demangle_template_value_parm for array bounds.
4719 (demangle_fund_type): Likewise.
4721 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4723 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4726 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4728 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4730 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4732 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4734 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4737 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4739 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4740 (DEBUGGER_ARG_OFFSET): Likewise.
4742 * mn10300.md (movsf): Remove last change. Not needed.
4744 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4746 * c-lex.c (yylex): Fix boundary conditions in character literal and
4747 string literal loops.
4749 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4751 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4752 being invoked incorrectly.
4754 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4755 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4757 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4758 * configure.in: Added i[34567]86-*-win32
4759 * config.sub: Ditto.
4760 * configure: Rebuilt.
4762 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4764 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4765 the frame pointer and compiling PIC code and reload has not completed.
4767 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4770 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4772 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4774 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4776 * Makefile.in (install-info): Only try to update the info
4777 directory file if it exists in the first place.
4779 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4781 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4783 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4785 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4786 CONST_DOUBLE source.
4788 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4790 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4791 strings as the insertion of USER_LABEL_PREFIX.
4792 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4794 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4797 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4799 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4800 already defined type.
4802 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4804 * expr.c (check_max_integer_computation_mode): Allow conversions
4805 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4806 (expand_expr): Likewise.
4808 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4810 * expr.c (expand_expr): Expand RETURN_EXPR.
4812 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4814 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4816 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4818 * dwarf2out.c (output_aranges): Call stripattributes
4819 for TEXT_SECTION references.
4820 (output_line_info): Likewise.
4822 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4824 * profile.c (branch_prob): Call allocate_reg_info after outputting
4825 profile rtl in instrument_arcs.
4827 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4829 * fixinc.irix (math.h): Install wrapper instead of copying.
4831 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4833 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4834 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4835 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4836 lang_flag_0. Added documentation in the flag table.
4838 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4840 * cccp.c (do_include): Fix vax c style include handling.
4842 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4844 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4846 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4848 * fold-const.c (non_lvalue): Don't deal with null pointer
4850 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4852 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4854 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4855 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4856 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4857 (u_short_cint_operand): Same.
4858 (reg_or_cint_operand): Same.
4859 (logical_operand): Same.
4860 (input_operand): Same.
4861 (reg_or_short_operand): Use u_short_cint_operand.
4863 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4865 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4866 but keep the insns and splits. Adjust so when the ultimate destination
4867 is memory, use cvtql.
4869 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4871 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4873 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4875 * gcc.c (do_spec): Call "error" not "warning".
4877 * configure.in: Fix minor problems with gas feature detection code.
4878 * configure: Rebuilt.
4880 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4883 * gcc.c: Delete %[spec] support.
4884 (do_spec_1, case '('): Likewise.
4885 (do_spec_1, case '['): Call error.
4887 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4889 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
4890 (CPP_SUBTARGET_SPEC): Default to empty string.
4891 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
4892 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
4893 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
4894 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
4896 * alpha/linux.h (CPP_PREDEFINES): Tidy.
4897 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
4898 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
4899 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
4900 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
4901 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
4902 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
4903 * alpha/vxworks.h: Likewise.
4905 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
4907 * mips.md (reload_outsi): Added missing REGNO call.
4908 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
4910 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
4911 another match_operator and compare the codes.
4913 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
4915 * MIPS multiply pattern fixes:
4916 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4917 Add union classes for HI, LO, or HILO plus general registers.
4918 (GENERATE_MADD): Deleted.
4919 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
4920 Add TARGET_MAD to condition.
4921 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
4922 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
4923 "*d" for accumulator, to give preference to LO initially but not
4926 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
4928 * configure.in (enable_c_mbchar): New configure option.
4929 (extra_cpp_objs): Always available now.
4931 * cexp.y (mbchar.h): #include it.
4932 (yylex): Handle Multibyte characters in character literals.
4934 * cccp.c (mbchar.h): #include it.
4935 (main): Set character set based on LANG environment variable.
4936 (rescan): Handle multibyte characters in comments.
4937 (skip_if_group): See above.
4938 (validate_else): See above.
4939 (skip_to_end_of_comment): See above.
4940 (macarg1): See above.
4941 (discard_comments): See above.
4942 (rescan): Handle multibyte characters in string and character literals.
4943 (collect_expansion): See above.
4944 (skip_quoted_string): See above.
4945 (macroexpand): See above.
4946 (macarg1): See above.
4947 (discard_comments): See above.
4948 (change_newlines): See above.
4950 * c-lex.c (mbchar.h): #include it.
4951 (GET_ENVIRONMENT): New macro.
4952 (init_lex): Set character set based on LANG environment variable.
4953 (yylex): Handle multibyte characters in character literals.
4954 (yylex): Handle multibyte characters in string literals.
4956 * Makefile.in (mbchar.o): New target.
4957 (cccp$(exeext)): @extra_cpp_objs@ is always available.
4958 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
4960 * mbchar.[ch]: New files for multibyte character handling.
4962 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4964 * jump.c (jump_optimize): When simplifying noop moves and
4965 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
4966 the PUSHes to rewrite in second loop as we did in the first.
4968 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * cplus-dem.c (demangle_nested_args): Make function definition
4971 static to match the prototype.
4973 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
4975 * alloca.c: Respect USE_C_ALLOCA.
4976 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
4977 * gengenrtl.c (xmalloc): Likewise.
4979 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
4981 * loop.h (struct induction): Add no_const_addval.
4982 * loop.c (the_movables, reg_address_cost): New variables.
4983 (init_loop): Init reg_address_cost.
4984 (loop_optimize): Call end_alias_analysis.
4985 (scan_loop): Init the_movables.
4986 (record_giv): Init induction->no_const_addval.
4987 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
4988 [REG]: Rearrange loop search test to catch more cases.
4989 (general_induction_var): Return success not benefit; take an extra
4990 argument for that. Change all callers.
4991 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
4992 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
4993 [default]: Search the_movables for additional combinations.
4994 (sge_plus_constant, sge_plus): New functions.
4995 (express_from_1): New function.
4996 (express_from): Always define. Rewrite using express_from_1.
4997 (combine_givs_p): Handle more cases. Ignore address cost.
4998 (cmp_combine_givs_stats): New function.
4999 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5000 (combine_givs): Rewrite to do best-fit combination.
5002 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5003 (fold): Do a complete (A*C)+(B*C) association check.
5005 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5007 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5009 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5011 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5013 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5015 * tree.c (valid_machine_attribute): Only create a new type variant if
5016 there is a decl to use it.
5018 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5020 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5023 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5025 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5028 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5030 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5031 Simplify tests for clearing an address register.
5032 (expand_prologue): Corresponding changes.
5034 * mn10300.md (movXX patterns): Make sure the destination is an
5035 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5036 (logical patterns): Split into expanders + patterns
5037 (zero and sign extension patterns): Similarly.
5038 (shift patterns): Similarly.
5040 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5042 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5043 for the sequence, recording base values.
5045 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5047 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5049 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5051 * gcc.c: Remove ANSI-C ism from --help code.
5053 * toplev.c: Support --help with USE_CPPLIB.
5055 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5057 * configure.in: Rework gas feature code to work with symlink based
5060 * extend.texi: Clarify some issues related to local variables
5061 assigned to explicit registers.
5063 * mn10300.md (mulsi): Turn into expander + pattern.
5065 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5068 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5070 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5072 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5074 * version.c: Bump again to distinguish mainline tree from the
5077 See ChangeLog.0 for earlier changes.
5080 add-log-time-format: current-time-string