1 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3 * bb-reorder.c (scope_def): New struct.
4 (scope_forest_info): New struct.
5 (struct reorder_block_def): New member "scope".
6 (REORDER_BLOCK_SCOPE): New macro.
7 (relate_bbs_with_scopes): New function and prototype.
8 (make_new_scope): Likewise.
9 (build_scope_forest): Likewise.
10 (remove_scope_notes): Likewise.
11 (insert_intra_1): Likewise.
12 (insert_intra_bb_scope_notes): Likewise.
13 (insert_inter_bb_scope_notes): Likewise.
14 (rebuild_scope_notes): Likewise.
15 (free_scope_forest_1): Likewise.
16 (free_scope_forest): Likewise.
17 (dump_scope_forest): Likewise.
18 (dump_scope_forest_1): Likewise.
19 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
20 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
22 (reorder_basic_blocks): Added calls to build_scope_scope_forest
23 and remove_scope_notes before reordering is done. Added calls to
24 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
25 after reordering is done.
27 2000-40-30 Bruce Korb <bkorb@gnu.org>
29 * fixinc/inclhack.def: Added definitions needed by OSR5,
30 removed two stale entries (defined away with OLD_CPP).
31 * fixinc/inclhack.sh: regen
32 * fixinc/fixincl.x: regen
34 2000-04-30 Richard Henderson <rth@cygnus.com>
36 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
37 from the last insn in the sequence.
39 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
41 * cpplex.c (cpp_idcmp): New function.
42 * cpplib.h: Prototype it.
43 * scan_decls.c (scan_decls): Use it to inspect token names.
44 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
45 the file being run through the preprocessor.
46 (check_macro_names): Provide length of token to cpp_defined.
48 * Makefile.in: Remove stale warning message.
50 * cppfiles.c (redundant_include_p): Provide length of token to
52 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
53 values are unsigned int.
54 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
55 (_cpp_lookup_slot): Do not calculate the hash, either.
56 * cpphash.h: Update prototypes.
57 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
58 Hashes are unsigned int. Calculate hash here, pass by value
61 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
63 * simplify-rtx.c (check_value_useless): Delete function.
64 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
66 (cselib_invalidate_regno): Likewise.
67 (cselib_invalidate_mem_1): Likewise.
68 (references_value_p): Recognize useless values by the fact that they
70 (discard_useless_values): Likewise.
71 (cselib_record_set): This may turn a useless value
74 2000-04-30 Richard Henderson <rth@cygnus.com>
76 * config/d30v: New port.
78 * configure.in (d30v-*): Set fp format.
81 2000-04-30 Richard Henderson <rth@cygnus.com>
84 * Makefile.in (OBJS): Add it.
85 (ifcvt.o): New target.
86 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
87 and conditional arithmetic.
88 (find_insert_position): Remove.
89 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
90 * toplev.c (DFI_ce, DFI_ce2): New.
91 (dump_file): Add ce and ce2 dumps.
92 (rest_of_compilation): Run if_convert a couple o times. Set
93 cse_not_expected after cse2. Don't set no_new_pseudos until
94 after sched1 or recompute_reg_usage.
96 2000-04-30 Richard Henderson <rth@cygnus.com>
98 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
99 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
101 2000-04-30 Richard Henderson <rth@cygnus.com>
103 * flow.c (struct reg_cond_life_info): New.
104 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
105 (init_propagate_block_info): Initialize them.
106 (free_propagate_block_info): Destruct them.
107 (mark_set_1): Consider conditional life before killing a register.
108 (mark_regno_cond_dead): New.
109 (free_reg_cond_life_info): New.
110 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
111 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
112 (mark_used_reg): Record conditional life.
114 * haifa-sched.c (schedule_insns): Disable death counting
115 sanity check for HAVE_conditional_execution.
117 2000-04-30 Richard Henderson <rth@cygnus.com>
119 * Makefile.in (TIMEVAR_H): New.
120 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
121 (timevar.h): Remove rule.
123 2000-04-29 Richard Henderson <rth@cygnus.com>
125 * config/alpha/crtend.asm: Use C comments instead of #.
126 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
128 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
130 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
132 * cpphash.h (enum node_type: Take out T_MCONST.
133 (union hashval): Move into struct hashnode.
134 (struct hashnode): Pack tighter. Remove file, line, col
136 * cpphash.c: Constify most of the macro-definition structures.
137 (struct definition): Replace by struct object_defn
138 and struct funct_defn. Put file, line, column information
139 here. All users updated to match.
140 (_cpp_create_definition, _cpp_macroexpand): Remove special
141 case for #define WORD OTHERWORD.
142 * cpplib.c (do_undef): Remove T_MCONST case.
144 * cpphash.h: Move struct reflist, struct definition, and the
145 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
146 union hashval. _cpp_free_definition takes a HASHNODE pointer.
147 * cpphash.c (_cpp_free_definition): Free data pointed to by
148 MCONST, XCONST, MACRO, and FMACRO nodes properly.
149 (_cpp_create_definition, del_HASHNODE): Just call
150 _cpp_free_definition to clear out a hashnode.
151 * cpplib.c (do_pragma_poison): Likewise.
153 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
155 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
156 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
157 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
158 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
159 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
160 REGNO_AM33_P): Redefine in terms of the new macros.
161 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
162 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
163 STRUCT_VALUE): Likewise.
164 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
165 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
167 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
169 * regmove.c (struct record_stack_memrefs_data): New.
170 (record_stack_memrefs): New function.
171 (combine_stack_adjustments_for_block): Use it.
173 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
175 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
176 use special_function_p to detect alloca.
178 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
180 * gcc.texi: Fixes for makeinfo 4.0 --html.
182 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
184 * pcp.h: Delete file.
186 2000-04-28 Kazu Hirata <kazu@hxi.com>
188 * h8300.c (function_epilogue): Clean up flags when the last insn
189 in a function is a barrier.
191 2000-04-28 Chris Demetriou <cgd@sibyte.com>
193 * configure.in (sparc-hal-solaris2*): protect [] glob from
195 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
196 rather than hard-coded constants in target_cpu_default2.
197 * configure: Regenerate.
199 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
201 * tree.c (get_callee_fndecl): Extract the initial value from
204 2000-04-28 Richard Henderson <rth@cygnus.com>
206 * varasm.c (record_constant_1): Record the CODE_LABEL when
207 taking the address of a LABEL_REF.
209 2000-04-28 Richard Henderson <rth@cygnus.com>
210 Jan Hubicka <jh@suse.cz>
212 * calls.c (combine_pending_stack_adjustment_and_call): Return the
213 adjustment; don't do the stack adjust.
214 (expand_call): Call compute_argument_block_size right before
215 allocating the block; update comment; don't do alignment sanity
216 checking for sibling call; use args_size instead of
217 unadjusted_args_size before args_size is adjusted. Use
218 combine_pending_stack_adjustment_and_call to compute stack adjust
219 for must_preallocate case.
221 * expr.c (push_block): Remove shadow `temp' in inner scope.
223 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
225 * toplev.c (rest_of_compilation): Call
226 note_deferral_of_defined_inline_function even if the function
229 2000-04-28 Scott Bambrough <scottb@netwinder.org>
231 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
233 2000-04-28 Richard Henderson <rth@cygnus.com>
235 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
237 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 * timevar.c (init_timevar): DeANSIfy function definition.
241 2000-04-27 Alex Samuel <samuel@codesourcery.com>
243 * Makefile.in (timevar.o): Depend on flags.h.
244 * timevar.c (unused_stack_instances): New variable.
245 (timevar_push): Take a timevar_stack_def from
246 unused_stack_instances if available.
247 (timevar_pop): Push the popped timevar_stack_def onto
248 unused_stack_instances.
249 (TIMEVAR_ENABLE): New macro.
250 (timevar_def): Make standalone a 1-bit field. Add field used.
251 (get_time): Rename parameter to now. Return after clearing it if
253 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
254 (timevar_pop): Likewise.
255 (timevar_stop): Likewise.
256 (timevar_push): Likewise. Mark the timing variable as used.
257 (timevar_start): Likewise.
258 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
259 timevars that were never used.
261 2000-04-27 Mark Mitchell <mark@codesourcery.com>
263 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
264 always TREE_READONLY.
266 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
268 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
269 for call instruction with mode QImode.
271 2000-04-27 Alex Samuel <samuel@codesourcery.com>
273 * Makefile.in (OBJS): Add timevar.o.
274 (toplev.o): Depend on timevar.h.
275 (ggc-simple.o): Likewise.
276 (ggc-page.o): Likewise.
277 (timevar.o): New rule.
278 (timevar.h): New rule.
280 * timevar.h: New file.
281 * timevar.c: Likewise.
282 * timevar.def: Likewise.
284 * toplev.h (gc_time, parse_time, varconst_time): Remove.
285 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
287 (TIMEVAR): Remove macro.
288 (gc_time, parse_time, varconst_time, integration_time, jump_time,
289 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
290 flow_time, combine_time, regmove_time, sched_time,
291 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
292 sched2_time, dbr_sched_time, reorder_blocks_time,
293 rename_registers_time, shorten_branch_time, stack_reg_time,
294 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
296 (compile_file): Don't initialize time variables. Call
297 init_timevar and start TV_TOTAL timer. Call timevar_print instead
298 of many calls to print_time.
299 (rest_of_compilation): Add timing for reload_cse_regs.
300 (get_run_time): Removed to timevar.c.
301 (print_time): Likewise.
302 (get_run_time): Implement using TV_TOTAL time variable.
303 (print_time): Get total run time from get_run_time.
304 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
305 computing elapsed time explicitly.
306 * ggc-simple.c (ggc_collect): Likewise.
307 (gc_time): Remove declaration.
309 2000-04-27 Mark Mitchell <mark@codesourcery.com>
311 * calls.c (combine_pending_stack_adjustment_and_call): New function.
312 (expand_call): Use it.
314 2000-04-27 Jan Hubicka <jh@suse.cz>
316 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
319 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
321 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
324 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
326 * function.c (epilogue_done): Pass whole insn to record_insns.
328 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
330 * cse.c (CSE_ADDRESS_COST): Remove.
331 (find_best_addr): Add new parameter "MODE", use address_cost instead
334 (fold_rtx): Update call of find_best_addr.
335 * rtl.h (address_cost): Declare.
336 * loop.c (general_induction_var): Add new parameter "MODE", use
337 address_cost instead of ADDRESS_COST
338 (init_loop): Use address_cost instead of ADDRESS_COST.
339 (check_insn_for_givs): Update call of general_induction_var.
340 (find_mem_givs): Likewise.
341 (consec_sets_giv): Likewise.
342 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
343 * i386.c (ix86_address_cost): New.
344 * i386-protos.h (ix86_address_cost): Declare.
346 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
348 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
351 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
353 * expr.c (store_expr): Use clear_storage instead of direct memset
356 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
358 * config/mn10300/mn10300.c (mn10300_address_cost): Test
359 ASHIFT, AND and LABEL_REF.
361 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
363 * invoke.texi (-foptimize-sibling-calls): Fix.
365 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
367 * loop.c (load_mems) Don't use hard registers for the hoisting.
369 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
370 calculation; rename const_equiv array in the preconditioning code
371 from loop_unroll to loop_unroll_precondition
373 2000-04-27 Richard Henderson <rth@cygnus.com>
375 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
377 (propagate_one_insn): Clear it. Don't update reg_live here.
378 (init_propagate_block_info): Update for pbi member changes.
379 (free_propagate_block_info): Likewise.
380 (mark_set_1): Know that zero_extract, sign_extract, and
381 strict_low_part don't kill their argument. Alter hard subregs.
382 Update new_set for non-CLOBBER sets. Update reg_live.
383 (find_auto_inc): Update reg_live, not new_dead.
384 (mark_used_reg): Update reg_live, not new_live. Examine new_set
385 to determine if the reg in question was set this insn. Only update
386 reg info with PROP_REG_INFO.
388 2000-04-26 Richard Henderson <rth@cygnus.com>
390 * flow.c (allocate_reg_life_data): Set max_regno here ...
391 (life_analysis): ... not here.
393 * flow.c (calculate_global_regs_live): Force stack pointer
396 2000-04-26 Richard Henderson <rth@cygnus.com>
398 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
399 commit change group changes.
400 (invert_exp_1): Similarly.
401 (redirect_exp, invert_exp): Use them.
402 (redirect_jump_1): New.
403 (invert_jump_1): New.
404 (jump_optimize_1): Remove code subsumed by condexec.c.
405 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
407 2000-04-26 Richard Henderson <rth@cygnus.com>
409 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
411 * genconfig.c (main): Set all HAVE_foo to 1.
413 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
415 2000-04-26 Alex Samuel <samuel@codesourcery.com>
417 * invoke.texi: Document -fssa flag.
419 2000-04-26 Richard Henderson <rth@cygnus.com>
421 * flow.c (count_reg_sets_1): Remove.
422 (count_reg_sets, count_reg_references): Remove.
423 (recompute_reg_usage): Implement with update_life_info.
424 Reallocate life data.
426 2000-04-26 Richard Henderson <rth@cygnus.com>
428 * flow.c (update_life_info): Consider blocks null to mean the
430 (calculate_global_regs_live): Likewise.
431 (life_analysis): Do that instead of collecting all_blocks.
433 2000-04-26 Richard Henderson <rth@cygnus.com>
435 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
436 a still-valid conditional jump.
438 2000-04-26 Richard Henderson <rth@cygnus.com>
440 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
442 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
443 * flow.c (calculate_loop_depth): Remove.
444 * output.h (calculate_loop_depth): Don't declare.
445 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
446 inline; run estimate_probability at the same time.
448 2000-04-26 Neil Booth <NeilB@earthling.net>
450 * cpplib.h: "~=" is not a single pp-token.
451 * cpplex.c: Correct commentary.
453 2000-04-26 Richard Henderson <rth@cygnus.com>
455 * flow.c (mark_set_1): New arguments code and flags; update all
456 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
457 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
458 loop_depth when optimizing for size. Do new_dead update after
459 emitting REG_UNUSED notes. Merge mark_set_reg code.
460 (mark_set_reg): Remove.
461 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
462 arrange to not emit REG_UNUSED notes.
464 2000-04-26 Richard Henderson <rth@cygnus.com>
466 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
467 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
469 2000-04-26 Richard Henderson <rth@cygnus.com>
471 * flow.c (propagate_one_insn): Break out from propagate_block.
472 (init_propagate_block_info): Likewise.
473 (free_propagate_block_info): Likewise.
474 (propagate_block): Use them. Export.
475 * basic-block.h: Declare them all.
477 2000-04-26 Richard Henderson <rth@cygnus.com>
479 * basic-block.h (life_analysis): Declare here ...
480 * output.h: ... not here.
481 * flow.c (life_analysis): Remove nregs parameter; replace
482 remove_dead_code with flags. Remove ssa dead code check.
483 Only init alias analysis if we'll use it.
484 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
485 * ssa.c (convert_to_ssa): Likewise.
486 (convert_from_ssa): Likewise.
487 * toplev.c (rest_of_compilation): Likewise.
489 2000-04-26 Richard Henderson <rth@cygnus.com>
491 * flow.c (flow_delete_block): Rename from delete_block. Export.
492 * basic-block.h (flow_delete_block): Declare.
494 2000-04-26 David S. Miller <davem@redhat.com>
496 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
497 taking a PATTERN of it.
499 2000-04-26 <NeilB@earthling.net>
501 * cpplex.c (spell_other, spell_char): Remove.
503 (token_spelling, trigraph_map): Use unsigned chars.
504 (_cpp_lex_line): Tidy up the switch statement.
505 * cpplib.h: Implement spell_char with spell_string.
508 2000-04-26 <RodneyBrown@pmsc.com>
510 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
511 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
513 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
515 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
516 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
517 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
518 dwarf2out_return_save, dwarf2out_return_reg,
519 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
520 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
521 gen_compile_unit_die, dwarf2out_init): Constify a char*.
523 * dwarf2out.h (dwarf2out_init): Likewise.
525 * dwarfout.c (filename_entry, primary_filename, last_filename,
526 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
528 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
529 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
530 dwarf2out_return_reg): Likewise.
532 2000-04-26 Andreas Jaeger <aj@suse.de>
534 * extend.texi (Function Attributes): Fix description of pure
537 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
539 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
540 before calling rest_of_compilation.
542 2000-04-26 Andreas Jaeger <aj@suse.de>
544 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
547 2000-04-25 Richard Henderson <rth@cygnus.com>
549 * cse.c (cse_insn): Emit barrier after unconditional jump.
551 * calls.c (expand_call): Disable tail call generation once
552 rtx_equal_function_value_matters is false.
554 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
557 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
559 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
561 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
563 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
564 is the primary DIE for a member function.
565 (gen_decl_die): Call set_decl_origin_self here.
566 * dwarfout.c (output_decl): And here.
567 * integrate.c (output_inline_function): Not here.
568 Don't clear DECL_INLINE until after calling rest_of_compilation.
569 (set_decl_origin_self): No longer static.
570 * tree.h: Add prototype.
571 * toplev.c (note_deferral_of_defined_inline_function): Only write
572 out abstract instance for actual inlines.
574 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
576 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
577 EXTENDED_REGS only if TARGET_AM33.
578 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
579 SP_REGS to register allocation and reloading unless absolutely
581 (movsi3): Remove special-case of adding non-constants to SP.
583 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
585 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
586 INCLUDES to search and does not provide any of its own. Also it
587 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
588 parameters. Also it does not call AC_DEFINE.
589 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
590 AC_DEFINE and provides for automatic entries for autoheader.
591 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
593 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
594 so we can pass -I flags and include gansidecl.h/system.h in this
597 * acconfig.h: Delete all NEED_DECLARATION_* entries.
599 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
602 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
603 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
605 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
606 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
607 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
608 for these macros. Clean up spacing and linewraps.
610 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
612 * calls.c (expand_call): Use get_callee_fndecl.
614 * print-tree.c (print_node): Print the chain of an _EXPR.
616 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
617 Jim Wilson <wilson@cygnus.com>
618 Andrew Haley <aph@cygnus.com>
620 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
621 and gp save/restore problems.
622 * config/ia64/crtend.asm: Add IA-64 unwind support.
623 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
624 in fr_pad_size calculation.
625 (save_restore_insns): Move PR save area. Correct uses of
627 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
628 (ia64_expand_epilogue): Add eh_epilogue support.
629 (ia64_function_prologue): Emit .prologue directive.
630 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
631 (ia64_override_options): Set init_machine_status and
633 (rtx_needs_barrier): Handle bsp reads and writes.
634 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
635 New static variables.
636 (process_set, process_for_unwind_directive): New functions.
637 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
638 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
639 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
641 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
642 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
643 (struct machine_function): Define.
644 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
646 2000-04-25 Bruce Korb <bkorb@gnu.org>
648 * fixinc/Makefile.in: make the removal of old programs more
650 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
651 install-bin and install-sh
653 2000-04-25 Nick Clifton <nickc@cygnus.com>
655 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
656 defined, define to return zero.
657 (function_cannot_inline_p): If a function has any target
658 specific attributes, then use the macro
659 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
660 whether it can be inlined. If it cannot, issue a suitable
663 * tm.texi: Add a new node 'Inlining' to document the new macro
664 FUNCTION_ATTRIBUTE_INLINABLE_P.
666 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
668 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
671 2000-04-25 Neil Booth <NeilB@earthling.net>
673 Restore previous patch, plus the following fixes:
675 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
676 flags, not CPP_OPEN_PAREN.
677 * cpplex.c (expand_token_space, init_token_list,
678 cpp_free_token_list): Put the dummy token at list->tokens[-1].
679 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
681 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
683 * config/i386/freebsd.h (INT_ASM_OP): Define.
685 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
687 * loop.c (strength_reduce): Fix typo in the last checkin.
689 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
691 * stor-layout.c (finalize_record_size): Simplify to use existing
693 (compute_record_mode): No longer static.
694 * tree.h (compute_record_mode): New declaration.
696 2000-04-25 Neil Booth <NeilB@earthling.net>
698 * Revert my patch below until cause of build failures
701 2000-04-25 Richard Henderson <rth@cygnus.com>
703 * combine.c (combine_instructions): Add missing argument
706 * toplev.c (rest_of_compilation): Delay sibcall optimization
707 until after emit_eh_context.
709 2000-04-24 Nick Clifton <nickc@redhat.com>
711 * combine.c (combine_instructions): Do not try to combine a
712 sequence of insns when the second insn has been replaced by a
715 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
717 * gcc.c (load_specs): New static function.
718 (read_specs): Use it.
720 * gcc.c (lookup_compiler): Make multiple passes for case
721 insensitive filesystems.
723 2000-04-24 Neil Booth <NeilB@earthling.net>
725 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
726 * cpphash.h (_cpp_check_directive): new.
727 * cpplex.c (handle_newline, cpp_free_token_list,
728 init_trigraph_map, trigraph_ok, trigraph_replace,
729 backslash_start, skip_block_comment, skip_line_comment,
730 skip_whitespace, parse_name, parse_number, parse_string,
731 copy_comment, _cpp_lex_line, spell_char, spell_string,
732 spell_comment, spell_name, spell_other, _cpp_lex_file,
733 _cpp_output_list): new.
734 (expand_name_space): take length argument.
735 (init_token_list): add comment list initialisation.
736 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
737 instead of HSPACE_BEFORE.
739 * cpplib.c (_cpp_check_directive): new
740 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
741 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
742 (HSPACE_BEFORE): delete.
743 (TTYPE_TABLE): rearrange.
744 (struct cpp_toklist): update.
746 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
749 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
750 argument form of AC_DEFINE.
752 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
753 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
754 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
755 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
756 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
758 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
760 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
762 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
763 deduced.h): Use -isystem, not -I, for including system headers.
765 2000-04-24 Nick Clifton <nickc@cygnus.com>
767 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
768 the source register is the frame pointer or arg pointer.
769 (addsi3_small_int): Disallow if source register is the frame
770 pointer or arg pointer.
772 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
774 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
775 call to AC_MSG_RESULT.
777 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
779 * invoke.texi: Correct grammatical errors, document
780 -fno-gnu-keywords as identical to -fno-asm for C++.
782 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
785 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
786 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
787 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
788 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
790 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
791 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
792 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
793 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
796 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
798 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
799 (pop_alignment): Likewise.
800 (handle_pragma_token): Likewise.
802 2000-04-24 Robert Lipe <robertlipe@usa.net>
804 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
806 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
808 * combine.c (try_combine): Update reg_nonzero_bits of
809 newi2pat before newpat.
811 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
813 * loop.c (strength_reduce): Simplify test to INSN_P.
814 (record_giv): Attempt to simplify the add value, use CONSTANT_P
815 expressions instead of CONST_INT.
816 (express_from_1): Likewise.
818 2000-04-24 Mark Mitchell <mark@codesourcery.com>
820 * regs.h (reg_n_max): Don't declare.
821 * flow.c (reg_n_max): Don't define.
822 * regclass.c (renumber): Don't initialize to zero.
823 (regno_allocated): Likewise.
825 (allocate_reg_info): Don't initialize unnecessarily.
827 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
829 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
830 and blockage_p in the newly allocated attribute.
832 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
834 * config/mn10300/mn10300.md (addsi): `inc4' on address
835 registers does not modify cc, but `inc' on an extended
838 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
840 * reload.c (find_equiv_reg): Checks all valueno regs
841 as a reload_reg_p regs.
843 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
845 * cpphash.c (collect_objlike_expansion): Add sanity check.
846 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
847 the buffer is the empty string, return. Mark __DATE__ and
848 __TIME__ as XCONST nodes, not MCONST.
849 (_cpp_macroexpand): Avoid pushing an empty buffer.
850 (funlike_macroexpand): Don't pop token_buffer here.
852 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
854 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
855 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
856 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
857 (REGNO_OK_FOR_BASE_P): Define in terms of them.
858 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
859 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
860 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
862 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
864 * loop.c (simplify_giv_expr): Be more agressive on simplifying
867 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
869 * cpphash.h (struct definition): Move file, line, col members...
870 (struct hashnode): ... here. Also add 'disabled' flag.
871 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
872 T_IDENTITY. Remove T_DISABLED.
875 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
876 (collect_expansion): Split into collect_objlike_expansion and
877 collect_funlike_expansion.
878 (_cpp_macroexpand): Split out scan_arguments, stringify, and
880 (_cpp_compare_defs): Rename compare_defs, make static.
881 (_cpp_make_hashnode): Initialize hp->disabled.
882 (macro_cleanup): Adjust for new token types. Clear
884 (_cpp_create_definition): Move code here to determine what
885 sort of macro it is, and code to check for redefinitions, from
886 do_define. Implement a few simple cases without creating a
888 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
889 Handle the simple cases.
890 (push_macro_expansion): Set buf->has_escapes and hp->disabled
893 * cppinit.c (builtin_array): Change MCONST to XCONST
895 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
896 fix check for disabled and function-like macros.
897 * cpplib.c (do_define): Move most logic to
898 _cpp_create_definition.
899 (do_undef): Handle new special token types.
901 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
903 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
904 of CONSTANT_P for mult_val; always use validate_change to update insn.
906 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
908 * cpphash.c (trad_stringify, add_pat): New functions.
909 (collect_expansion): Restore support for -traditional syntax.
910 Use trad_stringify and add_pat.
911 (_cpp_macroexpand): Restore support for -traditional semantics.
912 * cpplex.c (_cpp_scan_line): Don't change space_before if we
914 (_cpp_lex_token): Provide COMMENT tokens to caller if
915 traditional and parsing_define_directive.
916 (skip_comment): Warn about // comments if -Wtraditional.
917 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
919 (do_undef): Don't warn about undefining EMPTY nodes.
921 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
923 * loop.c (strength_reduce): Fix biv removal code.
925 2000-04-22 Richard Henderson <rth@cygnus.com>
927 * predict.c (estimate_probability): Examine both sides of
928 a branch for no exits. Use 90% not 50% for predict taken.
929 Reorg for one copy of note generation code.
931 2000-04-22 Richard Henderson <rth@cygnus.com>
933 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
935 2000-04-22 Richard Henderson <rth@cygnus.com>
937 * diagnostic.c (init_output_buffer): Don't initialize format_args.
938 (output_clear): Likewise.
939 (output_printf): Use va_copy.
940 (vline_wrapper_message_with_location): Likewise.
941 (v_message_with_decl): Likewise.
942 (line_wrapper_printf): VA_START infor buffer.format_args directly.
943 * system.h (va_copy): Provide default implementation.
945 2000-04-22 Richard Henderson <rth@cygnus.com>
947 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
948 the collected condition is not a constant.
950 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
952 * diagnostic.h: New file.
954 * Makefile.in (diagnostic.o): Depends on diagnostic.h
956 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
957 various function prototypes.
958 (diagnostic.h): #include.
959 (struct output_buffer): Move into diagnostic.h.
960 (get_output_prefix): Rename to output_get_prefix. Export.
961 (init_output_buffer): Export. Break out. Ajust intialization.
962 (output_space_left, output_append): Export.
963 (output_newline): Rename to output_add_newline. Export.
964 (output_clear): Nullify additional output_buffer fields.
965 (output_puts): Rename to output_add_string. Export.
966 (dump_output): Rename to output_flush_on. Export.
967 (build_location_prefix): Constify return-type.
968 (emit_output_prefix): Rename to output_emit_prefix. Export.
969 (set_real_maximum_length): New function.
970 (output_set_maximum_length): Ditto
971 (output_clear): Ditto.
972 (output_add_character): Ditto.
973 (output_add_integer): Ditto.
974 (output_add_space): Ditto.
975 (output_format): Ditto.
976 (output_printf): Adjust buffer initialization.
977 (vline_wrapper_message_with_location): Ditto.
978 (v_message_with_decl): Ditto. Adjust call to output_puts
979 and get_output_prefix.
980 (default_print_error_function): Adjust buffer intialization.
982 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
984 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
987 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
989 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
992 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
994 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
995 accurate data about SP moves.
997 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
999 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1000 aliases to AM33 registers.
1002 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1004 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1005 to all EXTENDED bitmaps.
1007 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1009 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1010 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1011 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1013 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1015 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1016 the operand is not constant.
1018 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1020 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1021 as a call-clobbered regs.
1023 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1025 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1027 * rtl.def: Update comment.
1028 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1029 * integrate.c (expand_inline_function): Likewise.
1030 * profile.c (branch_prob): Likewise.
1031 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1032 * print-rtl.c (print_rtx): Likewise.
1033 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1034 (reemit_notes): Likewise; also use enum insn_note.
1036 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1037 (place_field): Properly compute know and actual alignment.
1039 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1042 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1045 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1047 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1048 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1049 (collect_expansion): Rewrite to scan over a token list.
1050 Remove -traditional support.
1051 (collect_formal_parameters): Rename to collect_params; rewrite
1052 to scan over a token list.
1053 (_cpp_create_definition): Adjust to scan a token list.
1054 (_cpp_macroexpand): Remove -traditional support.
1055 (_cpp_compare_defs): Whitespace is now canonicalized.
1056 (comp_def_part): Delete function.
1058 * cpphash.h: Update prototypes.
1059 * cpplex.c (init_token_list): Don't set lineno if there is no
1061 (pedantic_whitespace): New function.
1062 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1063 consume a newline. Use pedantic_whitespace.
1064 (_cpp_lex_token): Remove support for -traditional macros.
1065 (_cpp_get_define_token): Delete.
1066 (_cpp_get_directive_token): Do the real work here. Use
1067 pedantic_whitespace.
1068 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1070 * cpplib.c (get_macro_name): Delete.
1071 (do_define): Read the entire line into pfile->directbuf, then
1072 feed the token list to _cpp_create_definition.
1073 * cpplib.h (HSPACE_BEFORE): new define.
1074 (struct cpp_reader): Add a toklist member, "directbuf".
1076 * predict.c (estimate_probability): New heuristic: if a jump
1077 branches around a block with no successors, predict it taken.
1078 Disentangle control flow.
1080 2000-04-20 Richard Henderson <rth@cygnus.com>
1082 * loop.c (emit_iv_add_mult): Revert last change.
1084 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1086 * cpplib.h (enum cpp_ttype): Add token types for all
1087 punctuators. Distinguish pp-numbers from valid C numbers.
1088 Give some tokens better names. Initialize from macro.
1089 (struct cpp_name, cpp_token, cpp_toklist): New data
1092 * cpplex.c (bump_column, expand_name_space,
1093 expand_token_space, init_token_list, cpp_output_list,
1094 _cpp_scan_line): New functions.
1095 (output_line_command): Add third argument, new line number.
1096 * cpphash.h: Update prototypes.
1097 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1100 2000-04-20 Richard Henderson <rth@cygnus.com>
1102 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1104 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1106 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1109 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1111 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1112 REG_EQUAL note explaining the calculated value.
1114 * calls.c (expand_call): Avoid unnecesary precalculation
1115 and outgoing parameters space guarding for sibling calls.
1116 (store_one_arg): Likewise.
1118 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1120 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1121 (rest_of_compilation): Write sibling dump file and account
1122 for time as jump time.
1123 * invoke.texi: Update documentation on dump flags.
1125 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1127 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1129 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1131 * cpphash.c (special_symbol): Represent an empty macro with
1132 "\r \r " not just "\r ".
1133 (_cpp_macroexpand): Correct condition for the foo ( ) special
1135 (unsafe_chars): Handle EOF as second argument.
1136 (push_macro_expansion): Simplify test for removing escape at
1137 end. Do not trim both escapes if there is no text in between.
1139 2000-04-19 Jim Blandy <jimb@redhat.com>
1141 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1142 of PTR_SIZE, when appropriate.
1144 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1146 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1147 (USE_ENUM_BITFIELDS): Fix typo.
1149 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1151 * stor-layout.c (place_field): Set rli->offset_align properly.
1153 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1155 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1156 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1157 PARM_BOUNDARY): Remove unnecessary casts.
1159 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1161 * calls.c (precompute_arguments): Remove must_preallocate and
1163 (expand_call): Update call of precompute_arguments.
1165 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1166 check_insn_for_givs): Break out from ...
1167 (strength_reduce) ... here; use for_every_insn_in_loop to call
1168 check_insn_for_givs.
1169 * loop.h (for_every_insn_in_loop): Declare.
1170 (loop_insn_callback): New type.
1172 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1174 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1177 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1179 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1182 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1184 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1186 * configure.in: Delete --disable-cpplib option and all
1187 references to cpp_main.
1188 * configure: Regenerate.
1189 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1190 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1191 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1192 cpp$(exeext). Add --no-headers to makeinfo command line when
1193 generating INSTALL. Install and uninstall cpp.1 manpage, not
1195 * install.texi: Delete all references to cexp.y/cexp.c.
1196 Delete ancient instructions for compiling GCC on 3b1.
1197 * INSTALL: Regenerate.
1199 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1200 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1201 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1203 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1204 which is no longer tested anywhere.
1206 * cppinit.c (handle_option): Don't run error message through
1209 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1211 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1212 * cpperror.c (hashtab.h): Now include.
1213 * cppexp.c (hashtab.h): Likewise.
1214 * cpplex.c (hashtab.h): Likewise.
1215 * cppfiles.c (hashtab.h): Likewise.
1216 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1217 to htab_find_slot_with_hash.
1218 * cpphash.c (hashtab.h): Now include.
1219 (_cpp_lookup_slot): INSERT is now enum insert_option.
1220 * cpphash.h (_cpp_lookup_slot): Likewise.
1221 * cppinit.c (hashtab.h): Include earlier.
1222 (initialize_builtins): Pass enum to htab_find_slot.
1223 * cpplib.c (hashtab.h): Now include.
1224 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1225 (do_pragma_poison, do_assert): Likewise.
1226 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1227 htab_find_slot_with_hash.
1228 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1229 * tree.c (type_hash_add): Likewise.
1230 (build1): Minor cleanup.
1232 * ggc-common.c: Add missing blanks.
1233 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1234 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1236 * stmt.c (mark_case_node): New function.
1237 (mark_case_nesting): Call it.
1239 * expmed.c (emit_store_flag): If comparing two-word integer
1240 with zero, can optimize NE, EQ, GE, and LT.
1242 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1243 * conflict.c: Minor cleanups.
1244 * optabs.c: Add blank line
1245 * simplify-rtx.c: Minor cleanups.
1247 2000-04-18 Stan Cox <scox@cygnus.com>
1249 * gengenrtl.c (genlegend): Fix misspelling.
1251 2000-04-18 Robert Lipe <robertlipe@usa.net>
1253 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1254 bitfields of the host compiler are not signed quantities.
1255 * config.in: Regenerate.
1256 * configure: Regenerate.
1257 * system.h (USE_ENUM_BITFIELDS): Added.
1258 (ENUM_BITFIELDS): Added.
1259 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1260 (SHORT_ENUM_BUG): Deleted.
1261 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1263 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1264 (CODE_FIELD_BUG): Likewise.
1265 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1267 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1269 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1271 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1274 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1276 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1277 * cpplib.c (do_include, do_import, do_include_next,
1278 read_line_number, detect_if_not_defined): Likewise.
1279 * cpphash.c (collect_expansion): Likewise.
1280 (special_symbol, _cpp_macroexpand): Check return from
1282 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1283 macros. Delete all uses.
1285 * gcc.dg/cpp-mi.c: Add two more test cases.
1286 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1288 2000-04-17 Richard Henderson <rth@cygnus.com>
1290 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1291 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1293 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1295 * function.c (expand_function_start): Use hard_function_value to
1296 compute the RTL to use for DECL_RESULT.
1298 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1300 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1301 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1302 x86_memory_mismatch_stall): New global variables.
1303 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1304 alloved; fix load penalties for Athlon.
1305 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1306 x86_memory_mismatch_stall): Declare.
1307 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1308 TARGET_MEMORY_MISMATCH_STALL): New.
1309 * i386.md (athlon scheduling parameters): Fix latencies according to
1310 Athlon Optimization Manual.
1311 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1313 (fsqrt instruction patterns): Set athlon_decode to direct.
1314 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1315 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1316 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1317 and TARGET_PARTIAL_REGISTER_STALL machines.
1318 (pushdf_nointeger): New pattern.
1319 (pushdf_integer): Rename from pushdf.
1320 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1321 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1323 2000-04-17 Richard Henderson <rth@cygnus.com>
1325 * loop.c (canonicalize_condition): Add WANT_REG argument.
1326 Stop the search if we match it.
1327 * expr.h (canonicalize_condition): Update decl.
1328 * predict.c (expected_value_to_br_prob): Use it. Track last
1329 expected value note.
1330 (find_expected_value): Remove.
1332 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1334 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1336 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1337 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1339 * configure.in: Call AC_FUNC_MMAP_FILE.
1340 * configure: Regenerate.
1341 * config.in: Regenerate.
1343 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1344 * fixinc/fixincl.c: Likewise.
1346 2000-04-17 Richard Henderson <rth@cygnus.com>
1348 * builtins.c (expand_builtin_expect): New.
1349 (expand_builtin): Call it.
1350 * builtins.def (BUILT_IN_EXPECT): New.
1351 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1352 * extend.texi: Document it.
1354 * predict.c (expected_value_to_br_prob): New.
1355 (find_expected_value): New.
1356 * basic-block.h (expected_value_to_br_prob): Declare.
1357 * toplev.c (rest_of_compilation): Invoke it.
1359 * rtl.h (NOTE_EXPECTED_VALUE): New.
1360 (NOTE_INSN_EXPECTED_VALUE): New.
1361 * rtl.c (note_insn_name): Update.
1362 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1363 cases; handle NOTE_INSN_EXPECTED_VALUE.
1365 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1367 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1368 leaf sibcall delay slot if flag_pic.
1369 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1371 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1373 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1375 * fixproto: If fix-header fails, exit with an error.
1377 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1379 * cse.c (struct check_depdendence_data): New.
1380 (check_dependence): New function.
1381 (invalidate): Use check_depdenence.
1383 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1385 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1386 UNITS_PER_WORD is unsigned.
1388 * tree.h (struct tree_common): Remove misleading comment.
1390 2000-04-16 Dave Pitts <dpitts@cozx.com>
1392 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1393 message in quotes. Otherwise, IBM's make program treats the '#' as the
1394 start of a comment and ignores the remainder of the line.
1396 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1398 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1399 * cexp.y (initialize_random_junk): Likewise.
1400 * cppfiles.c (find_include_file): Cast alloca return value.
1401 * cppinit.c (initialize_standard_includes): Likewise.
1402 * cpplib.c (cpp_define, cpp_undef): Likewise.
1403 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1404 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1405 * fold-const.c (CHARMASK): New.
1406 (real_hex_to_f): Use it.
1407 * real.c (CHARMASK): New.
1408 (etoasc, asctoeg): Use it.
1409 (asctoeg): EBCDIC lower case characters preceed upper case.
1411 * i370.c (mvs_add_label): Change spacing for coding conventions.
1412 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1413 outputing case vectors.
1414 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1415 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1416 since vector in in the data CSECT.
1417 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1418 * i370.md (Many patterns): Put the length in the XL directives.
1419 (movdi): Put back STM and MVC in definition.
1420 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1421 pattern using the TCA.
1422 * oe.h (CPP_SPEC): Added to allow trigraphs.
1423 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1424 not support the "long long" type.
1426 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1428 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1430 (mips_reg_mode_ok_for_base_p): Likewise.
1431 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1432 (REG_OK_FOR_INDEX_P): Define unconditionally.
1433 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1434 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1435 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1436 that GET_MODE_SIZE is unsigned.
1437 (mips_reg_mode_ok_for_base_p): Define.
1438 (mips_legitimate_address_p): Likewise. Adjust now
1439 that GET_MODE_SIZE is unsigned.
1440 (block_move_loop): Make the number of bytes unsigned.
1441 (expand_block_move): Likewise.
1442 (function_arg): Make the loop counter unsigned to match the
1445 2000-04-16 Richard Henderson <rth@cygnus.com>
1447 * rtl.h (enum insn_note): New enumeration. Subsume
1448 NOTE_INSN_DELETED and friends.
1449 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1450 * rtl.c (note_insn_name): Tweak string order.
1452 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1454 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1457 * cpplex.c (output_line_command): Remove debugging prints.
1458 (cpp_output_tokens): Don't write out a zero-length buffer or
1459 try to see if it has a newline in it.
1460 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1461 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1462 the end of the loop. Use memmove. Don't read past the end of
1463 the buffer. Remove trailing newlines from error messages.
1465 2004-04-16 Neil Booth <NeilB@earthling.net>
1467 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1468 * cpplib.c: Add new syntax flags to directive table, and
1471 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1473 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1476 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1478 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1479 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1481 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1483 * Makefile.in (ggc-page.o): Now includes toplev.h.
1484 * ggc-page.c (toplev.h): Now included.
1485 (gc_time): Remove declaration.
1486 (ggc_collect): TIME now long.
1487 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1489 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1491 * toplev.c: Make *_time variable long to reduce chance of overflow.
1492 (TIMEVAR): Likewise for `otime'.
1493 (print_time): Arg is now long; compute percentage in FP and round.
1494 * toplev.h (print_time): Arg is long.
1496 * tree.c: Minor whitespace changes.
1498 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1499 * configure: Rebuilt.
1500 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1501 (__fixunsxfDI): Renamed from __fixunsxfdi.
1502 (__fixunsdfDI): Renamed from __fixunsdfdi.
1503 (__fixunssfDI): Renamed from __fixunssfdi.
1504 (__floatdisf): Use proper type in REP_BIT macro.
1505 (__fixunsxfSI): Renamed from __fixunsxfsi.
1506 (__fixunsdfSI): Renamed from __fixunsdfsi.
1507 (__fixunssfSI): Renamed from __fixunssfsi.
1508 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1509 Change location of macros and upper-case some names as above.
1510 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1511 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1513 * varasm.c (assemble_variable): Add cast to remove warning.
1514 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1516 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1517 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1518 region number to -1.
1520 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1522 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1523 call unshare_all_rtl.
1525 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1527 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1529 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1530 Use .s1 not .s0 for all FP instructions.
1532 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1534 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1536 (safe_fwrite, output_line_command): New static functions.
1537 (cpp_expand_to_buffer): Now private to cpplib.
1538 (cpp_scan_buffer): Take a printer.
1540 * cpphash.h: Update prototypes.
1541 * cpplib.h: Update prototypes.
1543 (cpp_buffer): Remove last_nominal_fname.
1544 (cpp_reader): Remove lineno.
1546 * cppmain.c: Use a cpp_printer.
1547 * fix-header.c: No need to inhibit line commands. Call
1548 cpp_start_read with no printer.
1550 * cpperror.c (cpp_notice_from_errno): Provide default name.
1551 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1552 (find_include_file, cpp_read_file): Use make_IHASH.
1553 (file_cleanup): Set control_macro and clear
1554 input_stack_listing_current here.
1555 (_cpp_execute_include): Don't output entering-file marker.
1556 * cpphash.c (special_symbol): Look for the line number in the
1557 buffer, not the reader.
1558 (_cpp_macroexpand): No need to disable line commands.
1559 (_cpp_dump_definition): No need to generate line commands.
1560 (dump_hash_helper): Remove excess newline from output.
1561 * cppinit.c (dump_special_to_buffer): No need to generate line
1563 (cpp_printer_init): New.
1564 (cpp_start_read): Take a printer, and start it up if it's not
1565 NULL. No need to generate line commands.
1566 (cpp_finish): Expect no buffers stacked at all. Take a
1567 printer argument, and flush the output buffer if it's not
1569 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1570 Don't put two hashes at the beginning of an assertion.
1571 (cpp_get_token): Don't increment pfile->lineno or emit line
1572 commands here. Return EOF if there's no buffer when we get
1574 * cpplib.c (do_define, skip_if_group):
1575 No need to disable line commands.
1576 (_cpp_output_line_command): Delete function.
1577 (do_line): Don't emit line commands here, but set things up so
1578 they will be emitted if necessary. Use _cpp_fake_ihash to
1579 make unique nominal_fnames if necessary.
1580 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1581 with 0 for column, not -1.
1582 (_cpp_handle_eof): Don't set the control macro here. Don't
1583 clear input_stack_listing_current here. Don't emit line
1586 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1588 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1589 always, use the default SVR4 start address.
1591 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1592 (LINK_SHLIB_SPEC): Define.
1593 (LINK_START_DEFAULT_SPEC): Define.
1594 (LINK_OS_DEFAULT_SPEC): Define.
1596 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1598 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1599 __do_global_ctors to handle constructors.
1600 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1601 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1602 (STARTFILE_MVME_SPEC): Likewise.
1603 (STARTFILE_SIM_SPEC): Likewise.
1604 (ENDFILE_ADS_SPEC): Use crtend.
1605 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1606 (ENDFILE_MVME_SPEC): Likewise.
1607 (ENDFILE_SIM_SPEC): Likewise.
1608 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1609 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1610 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1611 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1612 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1613 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1614 (CRTSTUFF_T_CFLAGS_S): Define.
1615 * config/rs6000/eabi-ctors.c: Delete.
1617 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1620 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1624 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1626 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1627 plus mask size is smaller or equal to the mode size.
1629 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1631 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1634 * expr.c (reload.h): Now included.
1635 (emit_block_move): Set volatile_ok when checking for movstr.
1636 (emit_move_1): Check for replacements in addresses in multi-word case.
1637 * Makefile.in (expr.o): Now includes reload.h.
1639 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1640 Never have a LIBCALL end a basic block.
1641 (find_basic_blocks_1): Likewise.
1642 Reorganize CALL_INSN cases.
1644 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1646 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1648 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1649 completers from mov.ret instruction.
1651 2000-04-14 Richard Henderson <rth@cygnus.com>
1653 * fold-const.c (extract_muldiv): Don't distribute and widen
1654 multiply across plus for non-sizetype unsigned types.
1656 2000-04-14 Richard Henderson <rth@cygnus.com>
1658 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1659 If the original source is dead in the incr insn, it's dead now.
1661 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1663 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1664 see if DECL_BIT_FIELD needs to still be set.
1666 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1668 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1669 print_int_cst_octal with something that's not an INTEGER_CST.
1671 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1672 and not a SUBREG to a FLOAT rtl.
1674 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1676 * emit-rtl.c (try_split): Avoid infinite loop if the split
1677 results in a sequence that contains the original insn.
1679 2000-04-13 Andreas Jaeger <aj@suse.de>
1681 * config/mips/mips.c (expand_block_move): Pass alignment
1682 argument to move_by_pieces in bits, not bytes.
1684 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1685 __pic__ for little endian.
1687 2000-04-13 Andreas Jaeger <aj@suse.de>
1689 * config/i386/i386-protos.h: Add prototype for
1690 uno_comparison_operator.
1692 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1694 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1695 * calls.c (ECF_PURE): New flag.
1696 (emit_call_1): Handle ECF_PURE calls.
1697 (initialize_argument_information): Unset ECF_PURE flag too.
1698 (precompute_arguments): Precompute for ECF_PURE too.
1699 (expand_call): Handle ECF_PURE calls too.
1700 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1701 accept value of 2 as pure function.
1702 (emit_library_call_value, emit_library_call): Rename no_queue argument
1704 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1706 * tree.h (DECL_IS_PURE): New macro.
1707 (struct tree_decl): Add pure_flag.
1708 * c-common.c (enum attrs): Add attribute "pure".
1709 (init_attributes): Initialize attribute "pure"
1710 (decl_attributes): Handle attribute "pure".
1711 * extend.texi (Attribute "pure"): Document.
1712 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1714 (flags_from_decl_or_type): Support attribute "pure".
1716 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1718 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1719 the token except for numbers and identifiers.
1721 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1723 * i386.c (ix86_expand_binary_operator,
1724 ix86_expand_unary_operator): Check no_new_pseudos
1725 instead of reload_in_progress and reload_completed.
1726 (ix86_split_ashldi, ix86_split_ashrdi,
1727 ix86_split_lshrdi): Check no_new_pseudos instead
1728 of reload_completed.
1730 2000-04-12 Jeffrey A Law (law@cygnus.com)
1732 * function.c (purge_addressof): Unshare any shared rtl created by
1733 purge_addressof and its children.
1735 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1737 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1740 2000-04-05 Andreas Jaeger <aj@suse.de>
1742 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1743 not compiling PIC code, add flags for mabi=64.
1744 (SUBTARGET_CPP_SIZE_SPEC): New.
1745 (SUBTARGET_CPP_SPEC): New.
1746 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1747 for MIPS/Linux and lots of code needs these defines.
1749 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1751 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1752 trying the "opposite arithmetic" approach.
1754 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1756 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1757 (struct sh_args): Add new field force_mem.
1758 (INIT_CUMULATIVE_ARGS): Initialize it.
1759 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1761 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1763 * calls.c (expand_call): Do not reverse args in "equal from" field.
1764 (emit_library_call_value_1): Emit_libcall_block for const and pure
1767 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1769 * reload1.c (reload_combine): Don't enable optimization for fixed
1770 registers when encountering a BARRIER.
1772 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1774 * builtins.c (expand_builtin_memcmp): Do expansion even with
1775 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1777 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1778 stack is propertly aligned; add sanity checking for aligned
1780 (expand_library_call_value_1): Add sanity checking for aligned
1783 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1785 * calls.c (emit_library_call_value_1): Change 3rd arg to
1786 locate_and_pad_parm to disregard the setting of partial.
1788 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1790 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1792 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1793 CALL_INSN from the normal case.
1795 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1797 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1798 New global variables.
1799 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1801 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1803 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1804 TARGET_ADD_ESP_8): New macros.
1805 * i386.md: Add peep2s to convert esp adjustments to push and pop
1807 (pushsi_prologue, popsi_epilogue): New patterns.
1809 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1811 * real.c (toe64): Remove stale #endif from the last change.
1813 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1815 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1816 * real.c (toe64): Revert previous change.
1818 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1820 * objc/objc-act.c: Include ggc.h.
1821 (objc_tree_index, objc_global_trees): Convert most of the
1822 static tree variables into a static array with previous names
1824 (objc_ellipsis_node): New variable.
1825 (lang_init): Call objc_act_parse_init and c_parse_init.
1826 Create objc_ellipsis_node.
1827 (build_selector_translation_table): Use objc_ellipsis_node instead
1829 (hack_method_prototype): Likewise.
1830 (get_arg_type_list): Likewise.
1831 (start_method_def): Likewise.
1832 (continue_method_def): Likewise.
1833 (gen_method_decl): Likewise.
1834 (ggc_mark_imp_list): New function.
1835 (ggc_mark_hash_table): New function.
1836 (objc_act_parse_init): New function.
1837 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1838 * c-parse.in (c_parse_init): For objc add roots of objc specific
1839 local tree variables.
1840 * objc/objc-parse.y: Rebuilt.
1841 * objc/objc-parse.c: Rebuilt.
1842 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1844 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1846 * cse.c (delete_trivially_dead_insns): Also delete insns
1847 that copy a register to itself where the destination is
1850 2000-04-11 Richard Henderson <rth@cygnus.com>
1852 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1853 (propagate_block): Initialize them. Use them in parallel instead
1854 of one tmp variable, ie revert much of the 0408 and 0407 functional
1855 changes, but keep the structural changes.
1856 (mark_set_regs): Take new_dead from propagate_block_info instead.
1857 (mark_set_1, mark_set_reg): Likewise.
1858 (mark_used_regs): Likewise with new_live.
1859 (mark_used_reg): Likewise. Revert 0408 change.
1861 2000-04-11 Nick Clifton <nickc@cygnus.com>
1863 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1865 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1867 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1869 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1870 const section to output a CONSTRUCTOR based on the same conditions
1873 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1875 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1876 * pa/pa-protos.h (output_call): Add additional argument indicating
1877 if the call is a sibling/tail call.
1878 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1879 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1880 (function_arg, function_arg_partial_nregs): Likewise
1881 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1882 (emit_move_sequence): Zero extend certain constants as needed
1884 (compute_zdepdi_operands, output_64bit_and): New functions.
1885 (output_64bit_ior, function_arg): Likewise.
1886 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1887 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1888 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1889 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1890 (output_bvb): Likewise.
1891 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1892 (output_call): New argument 'sibcall'. Generate sibcall sequences
1894 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1895 (ouput_arg_descriptor): Do not emit argument descriptors for
1897 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1899 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1900 (FUNCTION_OK_FOR_SIBALL): Define.
1901 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1902 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1903 (CPP_SPEC): Use new spec infrastructure.
1904 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1905 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1906 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1907 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1908 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1909 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1910 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1911 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1912 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1913 (FUNCTION_ARG); Call out to C code.
1914 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1915 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1916 (MIN_UNITS_PER_WORD): Likewise.
1917 * pa/pa.md (cmpdi): New expander.
1918 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1919 (64bit conditional arithmetic): New patterns.
1920 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1921 (movsicc): Not available if modes on all the operands to not match.
1922 (movdicc): New expander and associated patterns.
1923 (64bit branches): New patterns.
1924 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1925 (pre_ldd, post_std): New patterns.
1926 (64bit addil, load low part): New patterns.
1927 (special movsf constant): Not available for TARGET_64BIT.
1928 (movsf, movdf expanders): Force constants into memory.
1929 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1930 (64bit movdf/movdi patterns): New patterns.
1931 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1933 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1934 (adddi3 expander): Allow "arith_operand" for second input.
1935 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1936 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1937 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1938 (muldi3): New expander for TARGET_64BIT.
1939 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1941 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1942 patterns for TARGET_64BIT.
1943 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1944 patterns for TARGET_64BIT.
1945 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1946 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1947 (sibcall_epilogue): New expander.
1948 (casesi): Tweak for TARGET_64BIT.
1949 (call expanders): Set & use the outgoing argument pointer. Use the
1950 64bit call patterns as needed. Add additional arg to output_call.
1951 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1952 (sibcall, sibcall_internal_symref): New expanders.
1953 (sibcall_value, sibcall_value_internal_symref
1954 (interspace_jump): Turn into an expander + matching patterns.
1955 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1956 * pa/pa64-regs.h: Eliminate trigraph sequences.
1957 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1959 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1961 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1962 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1963 cpp_token with cpp_ttype everywhere.
1964 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1965 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1966 CPP_BUF_COL. Line and column numbers are unsigned int, not
1968 * cpplex.c (cpp_buf_line_and_col): Delete.
1969 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1970 'long lineno' to 'unsigned int lineno'.
1971 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1973 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1975 * extend.texi: ISO C99 is not a draft anymore.
1976 * invoke.texi: ISO C++ is not a draft anymore.
1977 * cpp.texi: __cplusplus is required by the ISO standard.
1979 * extend.texi (-fthis-is-variable): Undocument.
1980 * flags.h (warn_template_debugging): Remove declaration.
1981 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1982 -Wenum-clash, -Wtemplate-debugging): Undocument.
1984 2000-04-10 Nick Clifton <nickc@cygnus.com>
1986 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1988 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1990 (ARM_SIGN_EXTEND): Use HOST_UINT.
1991 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1992 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1993 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1994 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1996 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1997 (arm_gen_constant): Use HOST_UINT.
1998 (arm_canonicalize_constant): Use HOST_UINT.
1999 (arm_reload_in_hi): Use HOST_UINT.
2000 (arm_reload_out_hi): Use HOST_UINT.
2001 (output_multi_immediate): Use HOST_UINT.
2002 (int_log2): Use HOST_UINT.
2003 (arm_poke_function_name): Use HOST_UINT.
2004 (arm_output_epilogue): Use arm_volatile_func().
2005 (output_thumb_prologue): Use arm_strip_name_encoding().
2007 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2009 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2010 of sequence point problems.
2012 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2014 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2016 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2018 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2020 * sbitmap.h: Whitespace changes and use upper-case macro args.
2021 (struct simple_bitmap_def): All sizes now unsigned.
2022 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2023 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2024 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2025 (sbitmap_zero): Cast bzero arg to PTR.
2026 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2027 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2028 loop to make structure clearer.
2029 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2030 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2031 (sbitmap_a_and_b_or_c): Likewise.
2032 (sbitmap_intersection_of_succs): Minor cleanups.
2033 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2034 (sbitmap_union_of_preds): Likewise.
2035 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2036 (debug_sbitmap): New function.
2038 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2039 * c-typeck.c (convert_for_assignment): Likewise.
2041 * expmed.c (init_expmed): Don't free objects we make.
2042 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2044 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2045 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2047 * gcse.c (expr_hash_table_size): Now unsigned.
2048 (compute_ae_gen): Local variable `i' now unsigned.
2049 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2050 (compute_transout, hoist_code): Likewise.
2051 (compute_local_properties): Likewise, also hash_table_size.
2052 (alloc_expr_hash_table): N_INSNS now unsigned.
2053 (delete_null_pointer_checks): Mark arg F as unused.
2055 * regrename.c: Minor cleanups, including chang some variables
2058 2000-04-10 Neil Booth <NeilB@earthling.net>
2060 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2062 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2064 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2066 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2067 __classof__, and __headof__ from the list of gnu keywords.
2068 (-ansi): Remove -foperator-names from list of implied options.
2069 Do not call it ANSI C++.
2070 (-foperator-names): Document as -fno-operator-names.
2072 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2074 * cpphash.c (timestamp): Delete.
2075 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2076 (special_symbol): Remove unnecessary braces. Remove
2077 T_VERSION. Treat T_STDC like T_CONST unless
2078 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2079 when one is encountered, then convert them into T_MCONST
2081 * cppinit.c (builtin_array): version_string is T_MCONST.
2082 __STDC__ has a "1" in its cpval. Don't have a terminator
2083 entry. Clean up which entries are dumped.
2084 (initialize_builtins): Only __STDC__ gets the special
2085 -traditional treatment. Count the length of builtin_array.
2086 Render version_string here.
2087 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2088 * cpplib.h (struct cpp_reader): Remove timebuf.
2090 2000-04-09 Richard Henderson <rth@cygnus.com>
2092 * genrecog.c (pred): Update comparison_operator for the unordered
2095 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2097 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2098 (uno_comparison_operator): New.
2099 (put_condition_code): Handle UNORDERED/ORDERED.
2100 (unsigned_comparison): Likewise.
2101 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2102 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2103 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2104 update all callers. Handle all 8 unordered operators.
2105 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2106 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2107 * config/i386/i386.h (PREDICATE_CODES): Update.
2108 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2109 (ix86_expand_branch, ix86_expand_setcc): Update.
2110 * config/i386/i386.md (sunordered, sordered): New.
2111 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2112 (bunordered, bordered): New.
2113 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2114 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2115 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2117 2000-04-09 Philip Blundell <philb@gnu.org>
2119 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2121 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2123 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2124 fix_truncxfhi2): New patterns.
2125 * i386.c (output_fix_trunc): Handle converting to HImode.
2127 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2129 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2131 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2132 (for_each_successor_phi): Change parameter to basic_block.
2133 (coalesce_regs_in_successor_phi_nodes): Likewise.
2134 (coalesce_regs_in_copies): Likewise.
2135 (compute_coalesced_reg_partition): Use basic_block instead of index.
2136 * rtl.h (convert_to_ssa): Delete.
2137 (convert_from_ssa): Likewise.
2138 (successor_phi_fn): Likewise.
2139 (for_each_successor_phi): Likewise.
2140 (in_ssa_form): Likewise.
2141 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2142 (convert_from_ssa): Likewise.
2143 (successor_phi_fn): Likewise.
2144 (in_ssa_form): Likewise.
2145 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2146 * flow.c (calculate_global_regs_live): Pass a basic_block to
2147 for_each_successor_phi.
2149 2000-04-08 Richard Henderson <rth@cygnus.com>
2151 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2152 was modified in the current insn.
2154 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2156 * arm/thumb.md: Delete.
2157 * arm/thumb-protos.h: Delete.
2159 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2161 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2163 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2165 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2168 * arm.md (nop): Use the standard RTL expression. Don't code as a
2170 (*arm_nop, *thumb_nop): Delete.
2172 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2173 constants. Use casts instead.
2174 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2175 output_multi_immediate, arm_poke_function_name): Likewise.
2176 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2177 MASK_RETURN_ADDDR): Likewise.
2179 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2181 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2184 * arm.md (eh_epilogue): New function.
2185 * arm.h (struct machine_function): Move to here ...
2186 * arm.c: ... from here.
2187 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2188 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2189 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2191 2000-03-30 Nick Clifton <nickc@cygnus.com>
2193 * config/arm/semi.h (ASM_SPEC): Restore definition.
2194 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2196 * config/arm/elf.h (ASM_SPEC): Restore definition.
2197 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2199 * config/arm/arm.h (ASM_SPEC): Remove definition.
2200 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2202 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2204 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2206 2000-03-24 Nick Clifton <nickc@cygnus.com>
2208 Various formating tidyups, elimination of compile time
2209 warnings and synchronisation with internal sources:
2211 * config/arm/arm-protos.h (assemble_align): Add prototype.
2212 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2213 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2214 (arm_return_addr_rtx): Rename to arm_return_addr.
2216 * config/arm/arm.c: Include except.h.
2217 Define shorter typenames for strict minipool_node and struct
2219 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2221 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2222 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2224 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2226 (ASM_SPEC): Define if not already defined.
2227 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2229 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2230 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2231 arm_gen_compare_reg.
2232 (indirect_jump): Only accept register operands.
2233 (load_indirect_jump): Keep this pattern since combine can generate
2236 * config/arm/coff.h: Include aout.h.
2237 (MULTILIB_DEFAULTS): Only define if not already defined.
2239 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2240 into arm.h (so that COFF ports can support thumb based aliases).
2241 (ASM_SPEC): Move definition into arm.h
2243 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2244 redundant apcs spec.
2245 (ASM_SPEC): Move definition to arm.h
2247 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2249 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2250 for entries in the .bss section
2252 2000-03-23 Nick Clifton <nickc@cygnus.com>
2254 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2255 to thumb_far_jump_used_p.
2257 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2258 single integer parameter.
2260 * config/arm/arm.c (struct machine_function): Add two new
2261 fields, 'far_jump_used' and 'arg_pointer_live'.
2262 (thumb_far_jump_used_p): Once the decision has been made that
2263 far jumps might be used, always return true.
2264 If being called from the initial elimination offset macro then
2265 do not bother to perform the test if the arg pointer is not
2267 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2268 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2270 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2272 * arm.c (output_return_instruction): Handle more cases where we can
2273 return from a function with an ldr instruction.
2274 (arm_output_epilogue): Likewise.
2276 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2277 if we need to push a large stack frame and there are no callee-saved
2280 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2281 in ARM code if the frame pointer has been eliminated.
2283 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2284 unspec_volatile arguments to avoid duplicates.
2285 (consttable_1, consttable_2): Fixes for big-endian mode.
2287 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2290 Re-write constant pool code.
2291 * arm.c (minipool_node, minipool_fix): New types.
2292 (minifix): Delete type.
2293 (arm_add_minipool_constant): Delete.
2294 (arm_compute_minipool_offsets, arm_find_barrier,
2295 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2296 (get_jump_table_size): Now returns HOST_WIDE_INT.
2297 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2299 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2300 (assign_minipool_offsets, arm_print_value): Likewise.
2301 (dump_minipool): Rewrite.
2302 (arm_barrier_cost): New function.
2303 (create_fix_barrier): New function.
2304 (push_minipool_barrier): New function.
2305 (push_minipool_fix): Record additional information about the fixup
2307 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2308 check the mode of what needs fixing.
2309 (arm_reorg): Rewrite.
2311 2000-03-08 Nick Clifton <nickc@cygnus.com>
2313 * config/arm/arm.md (indirect_jump): Force constant addresses into
2316 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2318 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2320 2000-02-24 Nick Clifton <nickc@cygnus.com>
2322 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2323 adjust is word aligned.
2324 (thumb_expand_epilogue): Make sure that stack adjust is word
2327 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2329 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2331 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2332 pointer relative addresses.
2334 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2336 * arm.c (find_barrier): Find the last barrier within the allowed
2339 2000-02-09 Nick Clifton <nickc@cygnus.com>
2341 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2343 2000-02-09 Nick Clifton <nickc@cygnus.com>
2345 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2346 ARM_FUNCTION_PROFILER.
2348 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2349 ARM_FUNCTION_PROFILER.
2351 * config/arm/linux-oldld.h: Imported from mainline sources.
2353 2000-02-07 Nick Clifton <nickc@cygnus.com>
2355 * config/arm/lib1funcs.asm: Merge in thumb functions from
2358 * config/arm/lib1thumb.asm: Delete.
2360 2000-02-04 Nick Clifton <nickc@cygnus.com>
2362 * config/arm/arm.c: Sychronised with current Red hat local
2364 * config/arm/arm.h: Ditto.
2365 * config/arm/arm-protos.h: Ditto.
2367 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2369 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2371 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2374 2000-02-02 Nick Clifton <nickc@cygnus.com>
2376 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2378 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2379 (return) was emited using an emit_insn() call.
2381 2000-01-31 Nick Clifton <nickc@cygnus.com>
2383 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2385 (thumb_exit): Move frame pointer back into hard frame pointer
2386 register if backtracing is being used.
2388 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2390 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2393 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2395 * config/arm/arm.md (neg_pool_offset): Provide default for new
2397 (arm_movsi_insn): Add neg_pool_offset attribute.
2398 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2399 rtx for the insn that starts the scan and an unsigned long for its
2400 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2401 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2402 instructions in *PINSERTED.
2403 (struct minipool_fixup): Add MIN_ADDRESS elt.
2404 (sort_fixups): Compute it.
2405 (arm_reorg): Changes to support inserting pools before the insn to be
2408 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2410 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2411 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2412 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2414 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2416 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2418 (TARGET_DEFAULT): Do not define if already defined.
2420 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2422 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2423 (iordi3): Allow disjoint source operands.
2424 (xordi3): Allow disjoint source operands.
2425 (negdi2): Permit construction for ARM and Thumb.
2426 (arm_negdi2): Renamed version of old negdi2 pattern.
2427 (thumb_negdi2): New pattern: Only permit non-overlapping
2428 source and destination.
2430 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2432 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2433 scratch low register so that it will not be deleted.
2435 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2437 * config/arm/pe.h (ARM_PE): Define.
2439 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2440 interfacearm attribute if this is a PE toolchain.
2441 (output_return_instruction): Do not emit anything if the function
2442 has the naked attribute set.
2443 (is_called_in_ARM_mode): If the function has the interfacearm
2444 attribute then return true.
2445 (thumb_expand_prologue): Do not generate a prologue for naked
2447 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2449 (output_thumb_prologue): Do not bother if the function is naked.
2450 Strip PE encoding from function name before emitting.
2452 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2454 * arm.md (pic_load_addr): Fix constraints.
2456 * arm.md (casesi_insn): Fix mis-applied patch.
2458 * arm.md ("core" function unit): Add rules for single- and
2460 (All TARGET_THUMB patterns): Add "type" attribute information
2462 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2463 the following insn is a CALL.
2465 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2467 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2468 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2469 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2471 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2473 * config/arm/linux-gas.h: oops - this file was missed out when the
2474 branch was created...
2476 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2478 * thumb.c: Deleted. Move contents to ...
2480 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2482 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2485 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2486 declare a prototype for asm_output_align();
2488 * arm.c (thumb_condition_code): Delete.
2489 (arm_print_operand): Always use arm_condition_code array.
2491 * arm.c (thumb_return_addr_rtx): Delete.
2492 (arm_save_machine_status, arm_restore_machine_status): Delete.
2493 (arm_init_machine_status, arm_mark_machine_status): New functions.
2494 (arm_init_expanders): Update accordingly.
2495 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2496 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2497 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2499 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2501 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2503 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2506 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2508 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2509 stack backtrace structure.
2511 * config/arm/arm-protos.h: Add prototypes for functions defined in
2514 * config/arm/arm.c (arm_override_options): Fix selection of
2515 attributes of default processor.
2517 * config/arm/coff.h: Delete needless #include.
2519 * config/arm/pe.c: Delete unused code.
2521 * config/arm/pe.h (CPP_DEFINES): Delete
2522 (SUBTARGET_CPP_SPEC): Define.
2523 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2525 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2527 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2529 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2531 (CAN_DEBUG_WITHOUT_FP): Define.
2532 (FIXED_REGISTERS): Make r11 call-saved.
2533 (CALL_USED_REGISTERS): Likewise.
2534 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2535 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2536 frame-pointer is required.
2537 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2538 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2539 if the target normally needs a stack frame in non-leaf functions.
2540 (use_return_insn): Correct logic for determining when a return
2541 instruction can be used.
2542 (output_return_instruction): Handle the frame-pointer register as
2543 a normal register when not TARGET_APCS_FRAME.
2544 (arm_output_prologue): Likewise.
2545 (arm_output_epilogue): Likewise.
2546 (output_func_epilogue): Likewise.
2547 (arm_expand_prologue): Likewise.
2548 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2550 * arm.c (use_return_insn): No need to check floating point regs if
2552 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2553 the code of value stored in the minipool array.
2554 (arm_add_minipool_constant): Likewise.
2556 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2558 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2560 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * tree.c (tree_expr_nonnegative_p): New function.
2564 * tree.h (tree_expr_nonnegative_p): Declare.
2566 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2567 elide some sign_compare warnings.
2568 (build_conditional_expr): Likewise.
2570 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2572 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2574 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2575 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2576 operand. Abort if a 387 operand has an unsupported size.
2578 2000-04-08 Neil Booth <NeilB@earthling.net>
2580 * cppexp.c (parse_charconst): Null does not end character
2582 * cppinit.c (ISTABLE): Null character handled as whitespace.
2583 * cpplex.c (null_warning): new function.
2584 (skip_string): Emit warning if nulls encountered.
2585 (_cpp_skip_hspace): Emit warning if nulls encountered.
2586 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2590 2000-04-07 Richard Henderson <rth@cygnus.com>
2592 * flow.c (loop_depth): Remove.
2593 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2594 (struct propagate_block_info): New.
2595 (life_analysis): Don't allocate reg_next_use.
2596 (propagate_block_delete_insn): Break out of propagate_block.
2597 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2598 (propagate_block_delete_libcall): Likewise.
2599 (propagate_block): Create a propagate_block_info struct to pass
2600 to subroutines. Allocate one not two temporary regsets. Don't
2601 clobber memory for const calls. Look for clobbers in
2602 CALL_INSN_FUNCTION_USAGE.
2603 (mark_set_regs): Recognize COND_EXEC.
2604 (mark_set_reg): Break out of mark_set_1.
2605 (mark_used_reg): Break out of mark_used_regs.
2606 (mark_used_regs): Recognize COND_EXEC.
2607 (insn_dead_p): Use propagate_block_info struct.
2608 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2609 (find_auto_inc, try_pre_increment_1): Likewise.
2610 (print_rtl_with_bb): Dump regs live at end too.
2611 (count_reg_sets_1): Pass in loop_depth.
2612 (count_reg_sets, count_reg_references): Likewise.
2613 (recompute_reg_usage): Provide it.
2615 2000-04-07 Richard Henderson <rth@cygnus.com>
2617 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2620 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2622 * cpplib.c (do_elif): Skip the rest of the line if we're
2623 not going to bother evaluating it.
2624 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2625 to avoid pointless calls to the lexer.
2627 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2629 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2631 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2633 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2635 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2637 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2639 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2641 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2642 crtend so they can be multilibbed.
2643 (STAGESTUFF): Remove s-crt and s-crtS.
2645 2000-04-07 Richard Henderson <rth@cygnus.com>
2647 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2648 if we discover we need a pseudo and no_new_pseudos is true.
2649 * config/alpha/alpha.md (ne:DI insn): New.
2650 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2652 2000-04-07 Richard Henderson <rth@cygnus.com>
2654 * rtl.def (COND_EXEC): New.
2655 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2656 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2658 * genconfig.c (have_cond_arith_flag): Remove.
2659 (have_cond_exec_flag): New.
2660 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2661 (main): Print HAVE_conditional_execution.
2663 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2664 (sched_analyze_insn, print_pattern): Likewise.
2665 * reload.c (find_equiv_reg): Likewise.
2666 * rtlanal.c (reg_referenced_p): Likewise.
2667 (note_stores, dead_or_set_regno_p): Likewise.
2668 (reg_overlap_mentioned_p): Rewrite to use a switch.
2670 * ggc.h (struct rtx_def): Forward declare.
2672 * print-rtl.c (debug_rtx_range): New.
2673 * rtl.h (debug_rtx_range): Declare.
2675 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2677 * gcse.c (gcse_main): Don't rebuild the CFG here.
2678 (delete_null_pointer_checks): Likewise.
2679 * ssa.c (convert_to_ssa): Likewise.
2680 * toplev.c (rest_of_compilation): Do it here instead. Combine
2681 sequential calls to TIMEVAR. Consistently use `insns' instead of
2682 `get_insns()'. Always split insns after reload when optimizing.
2684 * basic-block.h (merge_blocks_nomove): Declare.
2685 (tidy_fallthru_edge): Declare.
2686 * flow.c (merge_blocks_nomove): Document as merging into previous
2687 blocks. Remove cruft from between blocks; remove all edges out of A.
2688 (tidy_fallthru_edge): Export.
2690 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2692 * ssa.c (compute_conservative_reg_partition): Declare with
2694 * toplev.c (clean_dump_file): Remove previously-deleted function
2695 inadvertantly merged back in.
2696 * conflict.c (conflict_graph_add): Use a single call to
2697 htab_find_slot to look up and insert.
2699 2000-04-06 Richard Henderson <rth@cygnus.com>
2701 * genrecog.c (*): Rename _last_insn to last_insn.
2702 (make_insn_sequence): Set the position of the peephole2 C test
2703 to be at the last insn.
2705 2000-04-06 Richard Henderson <rth@cygnus.com>
2707 * flow.c (compute_flow_dominators): Free worklist.
2709 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2711 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2713 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2715 * rtl.h (INSN_P): New macro.
2716 (successor_phi_fn): New typedef.
2717 (for_each_successor_phi): New prototype.
2718 (in_ssa_form): New variable.
2719 (PHI_NODE_P): Likewise.
2720 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2721 phi nodes in successors.
2722 (mark_used_regs): Add PHI case.
2723 (set_phi_alternative_reg): New function.
2724 (life_analysis): Assert that dead code elimination is not selected
2726 * toplev.c (to_ssa_time): New variable.
2727 (from_ssa_time): Likewise.
2728 (compile_file): Zero to_ssa_time and from_ssa_time.
2729 Print time to convert to and from SSA.
2730 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2731 (print_time): Compute percent fraction as integer.
2732 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2733 (convert_to_ssa): Check if we're already in SSA.
2734 Don't eliminate dead code in life_analysis.
2735 Rerun flow and life analysis at bottom.
2736 (eliminate_phi): Use canonical regnos when adding nodes.
2737 (mark_reg_in_phi): New function.
2738 (mark_phi_and_copy_regs): Likewise.
2739 (convert_from_ssa): Rerun life analysis at top.
2740 Use coalesced partition.
2741 Check for removing a phi node at the end of the block.
2742 (compute_coalesced_reg_partition): New function.
2743 (coalesce_regs_in_copies): Likewise.
2744 (coalesce_reg_in_phi): Likewise.
2745 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2746 (for_each_successor_phi): Likewise.
2747 (rename_context): New struct.
2748 (rename_block): Use a rename_context with rename_insn_1. When
2749 renaming sets of a subreg, emit a copy of the entire reg first.
2750 (rename_insn_1): Treat data as a rename_context *. Save current
2752 (rename_set_data): Add field set_insn.
2753 * Makefile.in (HASHTAB_H): Move up in file.
2754 (OBSTACK_H): New macro.
2755 (collect2.o): Use OBSTACK_H in dependencies.
2756 (sdbout.o): Likewise.
2757 (emit-rtl.o): Likewise.
2758 (simplify-rtx.o): Likewise.
2759 (fix-header.o): Likewise.
2760 (OBJS): Add conflict.o.
2761 (conflict.o): New rule.
2762 * basic-block.h: Include partition.h.
2763 (conflict_graph): New typedef.
2764 (conflict_graph_enum_fn): Likewise.
2765 (conflict_graph_new): New prototype.
2766 (conflict_graph_delete): Likewise.
2767 (conflict_graph_add): Likewise.
2768 (conflict_graph_conflict_p): Likewise.
2769 (conflict_graph_enum): Likewise.
2770 (conflict_graph_merge_regs): Likewise.
2771 (conflict_graph_print): Likewise.
2772 (conflict_graph_compute): Likewise.
2773 * conflict.c: New file.
2775 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2777 * tlink.c (read_repo_files): Don't look for .rpo info for
2780 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2782 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2784 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2786 * config/sh/lib1funcs.asm (___udivsi3_i4):
2787 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2788 only depends on FMOVD_WORKS.
2790 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2792 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2793 make double constant 8-byte aligned.
2795 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2797 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2798 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2799 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2800 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2801 Accept storing GENERAL_REGS into offsetable memory.
2802 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2803 building a TFmode constant other than 0.0L into GENERAL_REGS.
2805 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2807 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2809 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2811 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2812 (macro_cleanup): No need to cast pbuf->macro.
2813 (collect_expansion): Use _cpp_get_define_token. Goto done if
2814 it returns VSPACE. Remove check for trailing space after
2816 (_cpp_create_definition): Don't diddle flags here. Return
2818 (unsafe_chars): Handle c1 being EOF.
2819 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2820 checks. Don't push the buffer till after we're done with
2822 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2823 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2824 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2826 (_cpp_parse_assertion): Don't NUL terminate.
2827 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2828 hspace before calling _cpp_parse_assertion. Remove all sets
2829 of only_seen_white. Treat '\f' as hspace. Don't do anything
2830 special with '\n' here.
2831 (maybe_macroexpand): Handle T_EMPTY hash entries without
2832 pushing a buffer at all.
2833 (cpp_get_token): Handle clearing only_seen_white here. Handle
2834 incrementing the line number here. Clear
2835 potential_control_macro as well as only_seen_white, if
2837 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2838 (_cpp_get_define_token): New function, basically like
2839 _cpp_get_directive_token was but doesn't eat horizontal space.
2840 Don't do anything with only_seen_white here.
2841 (_cpp_get_directive_token): Just call _cpp_get_define_token
2842 repeatedly till it returns non-hspace.
2844 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2845 (conditional_skip, skip_if_group): Return int.
2846 (DIRECTIVE_TABLE): Change origin of all conditional directives
2848 (TRAD_DIRECT_P): New macro.
2849 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2850 an error for a bogus directive, unless -lang-asm. Use
2851 TRAD_DIRECT_P. Loop calling handler functions till one returns
2853 (get_macro_name): Don't diddle flags here.
2854 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2855 Create T_EMPTY nodes for #define macro /* nothing */.
2856 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2857 Use hp->name when calling pass_thru_directive.
2858 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2859 Return the result of conditional_skip and/or skip_if_group.
2860 Don't call _cpp_output_line_command.
2861 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2862 Issue -Wtraditional warnings as appropriate. Don't complain
2863 about unrecognized directives. If we are to stop skipping,
2864 return the number of the directive that ended the skip.
2865 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2866 expansion and line commands while skipping. Return the result
2867 of consider_directive_while_skipping, if nonzero.
2868 (do_endif): Just set potential_control_macro here.
2869 (validate_else): Use _cpp_get_directive_token.
2870 (do_assert, do_unassert): Don't save pointers into the
2871 token_buffer across calls to the lexer. Use
2872 _cpp_get_directive_token.
2874 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2875 pointer, not an offset. Replace 'data', which was a generic
2876 pointer, with 'macro', which points to a struct hashnode.
2877 (cpp_reader): Add 'potential_control_macro' pointer.
2878 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2879 (CPP_BUF_GET, CPP_FORWARD): Delete.
2880 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2881 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2882 ACTIVE_MARK_P): Update.
2883 (_cpp_get_define_token): New internal function.
2884 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2886 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2888 * configure.in: And here.
2889 * configure: Regenerate.
2890 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2891 --enable-libstdcxx-v3 is passed at configure time.
2892 * config.h.in: Regenerate.
2894 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2896 * final.c (final): Use xcalloc to allocate line_note_exists.
2897 * function.c (free_after_compilation): Free the temp_slots.
2898 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2899 (combine_temp_slot): Free temp_slots when they get combined.
2900 (purge_addressof): Fix typo in comment.
2901 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2902 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2904 * ggc.h: Include varray.h.
2905 (ggc_pending_trees): Declare.
2906 (ggc_mark_tree_children): Remove declaration.
2907 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2908 * ggc-common.c (ggc_pending_trees): New variable.
2909 (ggc_mark_roots): Call ggc_mark_trees.
2910 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2911 the ggc_pending_trees.
2912 * Makefile.in (GGC_H): New variable. Use it throughout in place
2915 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2917 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2920 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2922 * sh.c (sh_insn_length_adjustment): New function.
2923 * sh-protos.h (sh_insn_length_adjustment): Declare.
2924 * sh.h (ADJUST_INSN_LENGTH): Use it.
2926 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2928 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2929 from the insn where REG_RETVAL is added.
2930 (emit_no_conflict_block): Ditto.
2932 * md.texi (Standard Names): Clarify when movX is needed.
2934 * combine.c (simplify_comparison) [MINUS]: Do not replace
2935 all (op (minus A B) 0) with (op A B).
2937 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2938 J"orn Rennecke <amylaar@cygnus.co.uk>
2940 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2941 (block_lump_real): Likewise.
2943 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2945 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2946 remaining non-zero debugging masks.
2948 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2950 * basic-block.h (verify_flow_info): Declare.
2951 (flow_loop_outside_edge_p): Declare.
2952 * flow.c (verify_flow_info): Remove declaration.
2953 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2955 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2957 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2960 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2962 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2963 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2964 seqdi_zero_trunc+1): Allow splits only if registers are
2967 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2969 * acconfig.h: Add HAVE_GAS_HIDDEN.
2970 * config.in: Regenerated.
2971 * configure.in: Add test for .hidden pseudo-op in gas.
2972 * configure: Regenerated.
2973 * crtstuff.c: Include auto-host.h.
2974 Emit additional .hidden pseudo-op for __dso_handle if the
2975 assembler knows about it.
2977 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2979 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2980 before freeing argnames.
2981 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2983 2000-04-05 Michael Meissner <meissner@redhat.com>
2985 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2986 Walton <jonboy@gordian.com> to make memory references with update
2987 work wtih -mregnames.
2989 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2992 (regrename_optimize): Rename variables `def_uses' and
2993 `ext_basic_blocks' to avoid conflicts with similarly named
2994 typedefs in traditional C.
2996 * calls.c (initialize_argument_information): Fix typo in previous
2999 2000-04-04 Richard Henderson <rth@cygnus.com>
3001 * regrename.c (consider_available): Test fixed_regs not
3002 PIC_OFFSET_TABLE_REGNUM.
3004 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3006 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3008 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3009 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3010 (ENDFILE_LINUX_SPEC): Always use crtend.
3011 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3012 (powerpc-*-linux-gnu): Likewise.
3013 * configure: Regenerate.
3015 * config/rs6000/eabi.h: Don't include sysv4.h.
3016 (MULTILIB_DEFAULTS): Don't define.
3017 * config/rs6000/eabiaix.h: Don't include eabi.h.
3018 * config/rs6000/eabile.h: Delete.
3019 * config/rs6000/eabilesim.h: Delete.
3020 * config/rs6000/eabisim.h: Don't include eabi.h.
3021 * config/rs6000/linux.h: Don't include sysv4.h.
3022 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3023 (MULTILIB_DEFAULTS): Don't redefine.
3024 * config/rs6000/rtems.h: Don't include eabi.h.
3025 * config/rs6000/sol2.h: Don't include sysv4le.h.
3026 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3027 * config/rs6000/t-ppc: Delete.
3028 * config/rs6000/t-ppcgas: Correct comment.
3029 * config/rs6000/t-ppcos: Correct comment. Don't build
3030 multilibs for -fPIC, rather use -fPIC -mstrict-align
3032 * config/rs6000/t-ppc: Delete.
3033 * config/rs6000/vxppc.h: Don't include sysv4.h.
3034 * config/rs6000/vxppcle.h: Delete.
3035 * configure.in: Use multiple header files for p2pc ELF targets
3036 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3037 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3038 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3039 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3040 always available for these platforms.
3042 2000-04-04 Richard Henderson <rth@cygnus.com>
3044 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3046 2000-04-04 Stan Cox <scox@cygnus.com>
3048 * Makefile.in: Add rules for regrename.o
3049 * regrename.c: New file.
3050 * rtl.h (regrename_optimize): Add prototype.
3051 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3052 (compile_file, decode_d_option): Add support for -frename-registers.
3053 (rest_of_compilation): Call regrename_optimize.
3054 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3057 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3059 * Makefile (gccbug): New target.
3060 (doc): Depend on it.
3061 * gcc.texi (Bugs): Link subnodes.
3063 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3064 Document severities, priorities, and classes in bug form.
3066 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3068 * cpplex.c (trigraph_map, speccase): Combine into single
3070 (NORMAL, NONTRI): New macros.
3071 (_cpp_read_and_prescan): Change to use unified table. Use
3072 is_hspace to test for whitespace.
3074 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3075 definition that doesn't provoke the "empty body in an
3076 if-statement" warning.
3078 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3080 * builtins.c (expand_builtin_strlen): Force the source to
3081 be a memory address.
3083 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3087 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3089 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3090 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3091 (ECF_IS_CONST): Rename to ECF_CONST.
3092 (special_function_p): Make static, change interface.
3093 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3094 (expand_call) ... here; convert number of variables to flags.
3095 (emit_library_call_vlue_1): Likewise.
3096 (setjmp_call_p): New function.
3097 (initialize_argument_information): Accepts flags as argument;
3099 (precompute_arguments): Likewise.
3100 * tree.h (special_function_p): Remove.
3101 (setjmp_call_p): Add prototype.
3103 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3105 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3106 so that addresses are offsetable by up to 16 bytes.
3107 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3108 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3111 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3112 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3113 (movsf): Don't force any constant to memory if target is integer
3115 Move fp_zero_operand check below the const0_rtx check.
3116 (movtf): Likewise. Also allow fp_zero_operand for stores into
3118 (movdf): Likewise. Also allow fp_zero_operand for stores into
3119 memory and into integer hard registers.
3120 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3121 movdf_const_intreg_sp64): Remove.
3122 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3124 (movdf_no_e_insn_v9_sp32): New pattern.
3125 (movdf_insn_v9only): Remove.
3126 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3127 (movdf_insn_sp64): Remove.
3128 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3129 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3130 (following splits): Rewrite conditions. Add two new splits
3131 for storing 0.0 into memory and registers.
3132 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3133 (movtf_insn_sp32): Redo constraints and conditions.
3134 (movtf_insn_vis_sp32): New pattern.
3135 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3136 (movtf_insn_hq_sp64): Likewise.
3137 (movtf_insn_hq_vis_sp64): New pattern.
3138 (movtf_insn_sp64): Redo constraints and conditions.
3139 (movtf_insn_vis_sp64): New pattern.
3140 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3141 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3143 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3144 -mvis or -m64 to take down the number of various reload patterns.
3146 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3148 * pa/pa-64.h: New file.
3149 * pa/pa64-regs.h: New file.
3150 * pa/pa64-start.h: New file.
3151 * pa/t-pa64: New file.
3152 * pa/xm-pa64hpux.h: New file.
3154 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * sparc.c (output_restore_regs): Prototype.
3157 (sparc_emit_float_lib_cmp): Constification.
3159 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3161 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3164 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3165 (get_value_hash, hash_rtx): Likewise.
3167 * ssa.c (compute_conservative_reg_partition): Prototype.
3169 * tree.c (mark_hash_entry): Prototype.
3171 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3173 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3174 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3175 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3177 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3178 * objc/lang-specs.h: Likewise.
3180 2000-04-03 Neil Booth <NeilB@earthling.net>
3182 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3183 and SYNTAX_ERROR2. Replace `' in messages with ''.
3184 (op_to_str): Make re-entrant.
3185 (_cpp_parse_expr): Implement new error macros. Use | rather
3186 than || to logically or 2 boolean integers. Simply expression
3187 checking we have a left operand iff needed.
3189 2000-04-03 Nick Clifton <nickc@cygnus.com>
3191 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3193 2000-04-03 Philip Blundell <philb@gnu.org>
3195 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3197 2000-04-03 Felix Lee <flee@cygnus.com>
3199 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3200 (run_shell): Use it.
3202 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3204 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3205 (stmp-fixproto): ...rather than here.
3207 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3209 * pa.c (print_operand): Compute 'base' only inside the code paths
3212 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3214 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3217 2000-04-03 Philipp Thomas <pthomas@suse.de>
3219 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3221 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3223 * Makefile.in (alias.o): Depend on $(TREE_H).
3225 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3227 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3229 * cpplib.c (_cpp_handle_directive): Improve warnings for
3230 traditional C and indented directives.
3232 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3233 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3234 fixinc/inclhack.def: Indent the # of #include_next one space.
3235 * cp/rtti.c: Un-indent #if and #endif.
3237 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3238 syntax error, but an error has already been printed.
3239 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3240 message when called with nothing remaining on the line.
3241 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3242 OTHER token, not an ASSERTION.
3243 * cpplib.c (do_assert): When we create a 'base' node, clear
3244 its aschain pointer.
3246 2000-04-02 Neil Booth <NeilB@earthling.net>
3248 * cppexp.c: New typedef op_t. struct operation and struct
3249 token updated to use it.
3250 (op_to_str): New function.
3251 (_cpp_parse_expr): Error messages modified to use op_to_str.
3253 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3255 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3256 before checking MUST_PASS_IN_STACK.
3258 2000-04-02 Neil Booth <NeilB@earthling.net>
3260 * cppexp.c: New FINISHED dummy token. Combine operator initial
3261 flags and initial priority into a single constant. New
3262 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3263 (_parse_cpp_expr): Implement new constants. Take left operand
3264 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3265 parse indicated by reducing FINISHED token. Remove new lines
3266 from cpp_error messages.
3268 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3270 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3273 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3275 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3276 directive. Add origin values to DIRECTIVE_TABLE. Generate
3277 the strings and function names on the fly. Take the #sccs
3278 entry out of the table if SCCS_DIRECTIVE is not defined.
3279 (_cpp_handle_directive): Decide if the # was at the beginning
3280 of the line here. Issue -pedantic warnings for extended
3281 directives here. Warn about K+R directives with the #
3282 indented, and C89/extended directives with the # not indented,
3284 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3285 do_assert, do_unassert): Don't issue pedantic warning here.
3287 * cpphash.h: Add CPP_WTRADITIONAL macro.
3288 * cpplib.h (struct cpp_options): Rename warn_stringify to
3289 warn_traditional; update comments.
3290 * cppinit.c (handle_option): Set warn_traditional not
3292 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3293 CPP_WTRADITIONAL (pfile).
3294 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3295 be ignored in -traditional mode here.
3297 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3298 to initialize speccase[] and trigraph_map[]. Delete all
3299 references to pfile->input_speccase. Always treat '?' as a
3300 special character. Remove table-initialization code from
3301 _cpp_init_input_buffer.
3303 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3304 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3306 2000-04-01 Richard Henderson <rth@cygnus.com>
3308 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3309 (mostlyclean): Likewise.
3311 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3312 (struct dump_file_info, enum dump_file_index, dump_file): New.
3313 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3314 not a string. Clean out file if we havn't yet done so. Do nothing
3315 if the dump isn't enabled.
3316 (close_dump_file): Do nothing if the dump isn't open. Dump
3317 graph data if requested.
3318 (dump_rtl, clean_dump_file): Remove.
3319 (compile_file): Don't clean the dump files. Only finalize .bp dump
3320 if flag_test_coverage or flag_branch_probabilities. Only finalize
3321 .combine dump if optimizing. Iterate over dump_file to finalize the
3323 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3324 Convert all uses of dump_rtl.
3325 (decode_d_option): Iterate over dump_file to implement 'a' and to
3326 locate pass-specific dumps.
3328 2000-04-01 Neil Booth <NeilB@earthling.net>
3330 * cppexp.c: Redefine priority constants.
3331 (_cpp_parse_expr): Replace left and right priority scheme with
3332 single priority logic. Move LOGICAL to same place as COMPARE.
3333 Remove bogus check for multiple unary +/- operators.
3335 2000-04-01 Neil Booth <NeilB@earthling.net>
3337 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3338 within the switch statement. Binary operations break out of
3339 the switch naturally. '(' tokens handled by forcing
3340 immediate shift. ')' handled by forcing immediate reduce to
3341 the previous '('. New error messages.
3343 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3345 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3346 part', it's already in use. Use %K instead. Add a return at the
3347 end of what is now %K.
3348 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3350 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3352 * builtins.c (expand_builtin_apply): Pass proper parameters to
3353 allocate_dynamic_stack_space.
3354 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3355 update stack_pointer_delta; do not update arg_size_so_far.
3356 (compute_argument_block_size): Use stack_delta instead of
3357 stack_pointer_pending and arg_size_so_far.
3358 (expand_call): Add sanity checking for stack_pointer_delta;
3359 save and restore stack_pointer_delta for SIB, use
3360 stack_pointer_delta for alignment; do not update arg_space_so_far.
3361 (emit_library_call_value): Use stack_pointer_delta for alignment.
3362 (store_one_arg): Do not update arg_space_so_far.
3363 * explow.c (adjust_stack, anti_adjust_stack): Update
3364 stack_pointer_delta.
3365 (allocate_dynamic_stack_space): Add sanity checking for
3366 stack_pointer_delta.
3367 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3368 stack_pointer_delta.
3369 (emit_push_insn): Update stack_pointer_delta.
3370 * function.h (struct expr_status): Add x_stack_pointer_delta;
3371 remove x_arg_space_so_far.
3372 (arg_space_so_far): Remove.
3373 (stack_pointer_delta): New macro.
3375 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3377 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3378 Reorder struct cpp_options and struct cpp_reader for better
3379 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3380 takes two args. Change all 'char' flags to 'unsigned char'.
3381 Move show_column flag into struct cpp_options. Don't
3382 prototype cpp_options_init.
3383 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3384 cppinit.c, cpplex.c, cpplib.c:
3385 Replace CPP_OPTIONS (pfile)->whatever with
3386 CPP_OPTION (pfile, whatever), and likewise for
3387 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3389 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3390 Extract CPP_OPTION (pfile, pending) and work with that
3392 (cpp_options_init): Delete.
3393 (cpp_reader_init): Turn on on-by-default options here.
3394 Allocate the pending structure here.
3395 (cl_options, enum opt_code): Define these from the same table,
3396 kept in a large macro. Add -fshow-column and -fno-show-column
3399 * cpperror.c (v_message): If show_column is off, don't print
3402 * cppmain.c: Update for new interface.
3403 * fix-header.c: Likewise.
3405 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3407 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3409 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3410 are passed to any invocation of AR_FOR_TARGET.
3411 (AR_CREATE_FOR_TARGET): New macro.
3412 (AR_EXTRACT_FOR_TARGET): New macro.
3413 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3414 AR_EXTRACT_FOR_TARGET.
3415 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3416 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3417 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3418 AR_EXTRACT_FOR_TARGET to sub-makes.
3420 2000-03-31 Neil Booth <NeilB@earthling.net>
3422 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3424 (_cpp_parse_expr): Check for multiple unary +/- operators.
3425 Correct priorities of ':' and '?'. Treat ')' as having a
3426 value. Ensure conditional expression is not void.
3428 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3430 * alias.c (canon_rtx): Make it global.
3431 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3433 * cse.c (struct table_elt): Add canon_exp.
3435 (invalidate): Canonicalize expressions only once.
3436 * rtl.h (canon_rtx): Declare.
3438 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3440 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3441 * alias.c (reg_known_value): Add comments.
3442 (init_alias_analysis): Likewise.
3443 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3445 (cse_basic_block): Fix typo in comment.
3446 * emit-rtl.c: Include hashtab.h.
3447 (const_int_htab): New variable.
3448 (const_int_htab_hash): New function.
3449 (const_int_htab_eq): Likewise.
3450 (rtx_htab_mark_1): Likewise.
3451 (rtx_htab_mark): Likewise.
3452 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3453 (unshare_all_rtx): Fix formatting.
3454 (init_emit_once): Initialize const_int_htab.
3455 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3457 * rtl.texi: Document the fact that all CONST_INTs with the same
3460 2000-03-30 Richard Henderson <rth@cygnus.com>
3462 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3464 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3466 * configure.in: Comment out --enable-c-cpplib stanza.
3467 * configure: Regenerate.
3469 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3471 * expr.c (store_constructor): Properly compute displacement and
3472 alignment when offset is variable.
3474 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3475 cases of alignment in bytes.
3477 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3479 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3480 since it is used to generate c-parse.y.
3481 * objc-parse.c, objc-parse.y: Regenerated.
3483 * function.c (expand_function_end): Pass alignment argument to
3484 emit_block_move in bits, not bytes.
3486 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3488 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3491 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3493 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3494 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3495 * function.c (assign_parms): Likewise.
3496 * integrate.c (expand_inline_function): Likewise.
3497 * stmt.c (expand_decl): Likewise.
3498 (copy_rtx_and_substitute): Likewise.
3499 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3500 (clear_by_pieces): Fix error in last change.
3501 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3502 * function.h (regno_pointer_align): Now unsigned.
3503 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3505 * config/i386/i386.c (aligned_operand): Likewise.
3506 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3507 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3508 (unaligned_memory_operand): Likewise.
3509 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3510 Also make alignments and sizes unsigned and some whitespace cleanup.
3511 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3513 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3514 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3515 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3516 (expand_builtin_memset): Likewise, but to clear_storage.
3517 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3518 (restore_fixed_argument_area): Likewise.
3519 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3520 (load_register_parameters): Likewise, to emit_group_load.
3521 (expand_call): Likewise, to emit_group_store and emit_block_move.
3522 (emit_library_call_value_1): Likewise, to emit_block_move.
3523 (store_one_arg): Likewise, and to emit_push_insn.
3524 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3525 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3526 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3527 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3528 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3529 (expand_assigment, store_expr, store_constructor_field): Likewise.
3530 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3531 (store_constructor, store_field, get_inner_reference): Likewise.
3532 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3533 (expand_expr, case COMPONENT_REF): Likewise.
3534 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3535 and positions; reindent code.
3536 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3537 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3538 (assign_parms): Likewise to emit_group_store.
3539 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3540 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3541 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3542 (expand_return): Likewise to {extract,store}_bit_field.
3543 * stor-layout.c (get_mode_alignment): Minor cleanup.
3544 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3545 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3547 2000-03-29 Nick Clifton <nickc@cygnus.com>
3549 * config/arm/arm.h: Undo effects of previous delta:
3550 (ASM_SPEC): Do not define.
3551 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3553 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3556 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3558 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3559 only after reading in the primary source file.
3561 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3563 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3564 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3565 or a reference to a va_list.
3566 * builtins.c (stabilize_va_list): Simplify now we don't have to
3567 work around C array address decay.
3568 * c-typeck.c (convert_for_assignment): Handle assignment to
3569 a reference parameter by taking the address of the RHS.
3570 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3571 (va_copy): Likewise.
3572 (__va_copy): Likewise.
3573 * ginclude/varargs.h (va_start): Likewise.
3574 (__va_copy): Likewise.
3576 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3578 * i386/djgpp.h: Remove extraneous "+".
3580 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3582 * calls.c (expand_call): Fix typo in last change.
3584 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3586 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3589 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3591 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3592 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3593 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3594 * tree.c (bit_position, byte_position): Likewise.
3595 * tree.h: Declare new functions.
3597 2000-03-29 Nick Clifton <nickc@cygnus.com>
3599 * config/arm/arm.c: Minor formatting changes/
3600 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3602 (ASM_SPEC): Define if not already defined.
3604 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3606 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3609 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3611 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3612 value, don't output it as unsigned.
3614 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3616 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3618 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3620 * c-common.c (c_common_nodes_and_builtins): Don't special case
3621 cplus_mode when declaring builtin bzero/bcmp, always avoid
3622 prototype arguments.
3624 2000-03-29 Bruce Korb <bkorb@gnu.org>
3626 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3629 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3631 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3632 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3633 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3634 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3635 (save_fixed_argument_area, restore_fixed_argument_area):
3636 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3637 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3638 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3639 (precompute_register_parameters): Avoid #ifdefs on
3640 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3641 (stire_one_args): Likewise.
3642 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3643 (emit_library_call_value_1): Likewise.
3644 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3645 ACCUMULATE_OUTGOING_ARGS.
3646 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3648 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3649 (use_crosses_set_p): Likewise.
3650 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3651 #define ACCUMULATE_OUTGOING_ARGS 1.
3652 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3654 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3656 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3657 (TARGET_SWITCHES): Add push-args, no-push-args,
3658 accumulate-outgoing-args and no-accumulate-outgoing-args.
3659 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3660 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3661 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3663 (emit_push_insn): Likewise.
3664 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3665 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3666 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3667 (STACK_DYNAMIC_OFFSET): Define correctly for both
3668 ACCUMULATE_OUTGOING_ARGS and normal mode.
3669 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3670 * tm.texi (PUSH_ARGS): Document.
3671 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3673 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3675 * flags.h (flag_optimize_sibling_calls): Declare.
3676 * calls.c (expand_call): Fail sibcall when
3677 !flag_optimize_sibling_calls
3678 * invoke.texi (flag_optimize_sibling_calls): Document.
3679 * toplev.c (flag_optimize_sibling_calls): New global variable.
3680 (f_options): Add flag_optimize_sibling_calls.
3681 (rest_of_compilation): Conditionize
3682 optimize_sibling_and_tail_recursive_calls by
3683 flag_optimize_sibling_calls.
3684 (main): Set flag_optimize_sibling_calls for -O2.
3685 * stmt.c (expand_return): Conditionize tail recursion by
3686 flag_optimize_sibling_calls.
3688 2000-03-29 Richard Henderson <rth@cygnus.com>
3690 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3691 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3693 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3695 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3697 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3699 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3701 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3702 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3703 * config/rs6000/aix.h: then modified likewise.
3705 2000-03-28 Richard Henderson <rth@cygnus.com>
3707 * rtl.h: Redistribute enum reg_note documentation.
3708 Kill trailing whitespace.
3709 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3710 Kill trailing whitespace.
3712 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3714 * cppfiles.c (hash_IHASH): Just return i->hash.
3715 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3716 htab_find_with_hash.
3717 (cpp_read_file): Likewise.
3718 (find_include_file): Likewise. Properly initialize
3719 ih->nshort. Share ih->name and ih->nshort if possible.
3720 * cpphash.c (_cpp_calc_hash): New function.
3721 (hash_HASHNODE): Just return h->hash.
3722 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3723 htab_find_with_hash.
3724 * cpphash.h: Prototype _cpp_calc_hash.
3725 * cppinit.c (initialize_builtins): Provide a valid hash
3726 to _cpp_make_hashnode, using _cpp_calc_hash.
3728 * cpphash.c (collect_expansion): # is not a special character
3729 in object-like macros. In -traditional mode, /**/ is not
3730 token paste at the beginning or end of the line.
3731 * cpplib.c (do_include, do_import, do_include_next): If
3732 parse_include fails, return immediately.
3734 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3736 * config/arm/arm.md (return peepholes): Update to reflect the new
3738 * config/arm/arm.c (arm_volatile_func): Also check
3739 current_function_nothrow.
3740 (output_return_instruction, output_func_prologue): Use it.
3741 (arm_output_epilogue, arm_expand_prologue): Likewise.
3743 2000-03-27 Tom Tromey <tromey@cygnus.com>
3745 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3748 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3750 * expr.c (store_constructor): SIZE now signed.
3751 For EXPR_SIZE, don't evaluate size; just needed if constant.
3752 * fold-const.c (fold): Fix a number of cases when folded tree is
3754 * function.c (flush_addressof): Reenable.
3755 * tree.h (flush_addressof): Likewise.
3756 * toplev.c (independent_decode_option): Look at strings_processed.
3757 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3759 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3761 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3762 Allow stack adjustment after function call.
3764 * regmove.c (struct csa_memlist): Make mem field rtx *.
3765 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3766 (try_apply_stack_adjustment): Replace whole MEM rtx.
3767 (combine_stack_adjustments_for_block): Update calls
3768 to record_one_stack_ref.
3770 2000-03-28 Neil Booth <NeilB@earthling.net>
3772 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3773 '\\' rather than a null character, so nulls are not special. Fix
3774 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3775 speed trigraph conversion.
3776 (_cpp_init_input_buffer): Initialize trigraph map.
3778 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3780 * config/i386/i386.c (output_387_binary_op): Correct intel
3781 mode assembly output, and add spaces after commas in AT&T
3782 output. Correct Unixware assembler comment. Document input
3783 constraints. Comment fp operations. Reduce profligate buffer
3784 size. Remove extraneous abort. Localize temp var.
3785 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3786 (output_fix_trunc): Add spaces after commas in assembly output.
3788 2000-03-27 Richard Henderson <rth@cygnus.com>
3790 * i386-protos.h (ix86_match_ccmode): Declare.
3791 * i386.c (ix86_match_ccmode): New.
3792 (ix86_expand_fp_compare): Update for pattern renames.
3793 (ix86_expand_strlensi_unroll_1): Likewise.
3794 * i386.h (EXTRA_CC_MODES): Add CCZ.
3795 (SELECT_CC_MODE): Use it for EQ/NE zero.
3796 * i386.md (cmpsi_ccz_1): New.
3798 (*testsi_ccz_1): New.
3799 (testqi_ccz_1): New.
3800 (cmpsi_ccno_1): Rename from cmpsi_0.
3801 (testsi_ccno_1): Rename from testsi_1.
3802 (testqi_ccno_1): Rename from testqi_1.
3803 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3804 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3805 (*cmphi_0): Use ix86_match_ccmode.
3806 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3807 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3808 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3809 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3810 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3811 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3812 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3813 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3814 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3815 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3816 (appropriate peepholes): Likewise.
3817 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3818 (*subsi_3, *subhi_3, *subqi_3): Remove.
3819 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3820 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3821 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3822 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3823 (x86_shift_adj_1): Use CCZ.
3824 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3826 2000-03-27 Stan Cox <scox@cygnus.com>
3828 * resource.h (mark_resource_type): New.
3829 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3830 find_free_register): Use mark_resource_type.
3831 (mark_set_resources): Change include_delayed_effects
3832 to mark_resource_type.
3833 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3834 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3835 Use mark_resource_type.
3837 2000-03-27 Richard Henderson <rth@cygnus.com>
3839 * i386.md (call_pop_0, call_value_pop_0): New.
3840 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3841 (call_value_pop_1): Likewise.
3842 (call_0, call_value_0): New.
3843 (call_1, call_value_1): Remove constraint from unused arg.
3845 2000-03-27 Nick Clifton <nickc@cygnus.com>
3847 * invoke.texi (Spec Files): Document new spec % command created by
3848 Tom Tromey's recent patch.
3850 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3852 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3855 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3857 * expr.c (expand_assignment): Fix typo in last change.
3859 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3861 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3863 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3864 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3865 and DECL_INLINE if FUNCTION_DECL.
3866 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3867 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3868 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3869 (combine_parm_decls): Likewise.
3870 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3871 * print-tree.c (print_node): Likewise.
3872 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3873 DECL_TRANSPARENT_UNION on proper decl types.
3874 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3875 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3876 DECL_BIT_FIELD of FIELD_DECL.
3877 * tree.h (DECL_RESULT_FLD): New macro.
3879 * expr.c (expand_assignment): Add code to handle variable-sized
3882 2000-03-26 Richard Henderson <rth@cygnus.com>
3884 * calls.c (expand_call): Pass parms not original exp to
3885 optimize_tail_recursion. Mind return value instead of looking
3887 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3888 call_expr. Move checks for call_expr and current_function_decl ...
3889 (expand_return): ... here.
3891 2000-03-26 Tom Tromey <tromey@cygnus.com>
3893 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3894 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3896 (process_command): Use them.
3897 (check_live_switch): Likewise.
3898 (give_switch): Skip ignored switches.
3900 2000-03-26 Jan Hubicka <jh@suse.cz>
3902 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3903 for minimal jump pass test.
3905 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3907 * integrate.c (function_cannot_inline_p): Do inline functions that
3910 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3912 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3913 now a list of TREE_LIST entries, not types.
3914 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3916 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3917 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3919 * config/mips/mips.c (function_arg): Likewise; also remove cast
3920 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3921 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3922 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3923 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3924 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3925 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3926 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3927 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3928 num_adjusts now unsigned.
3929 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3930 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3932 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3933 as is BITPOS variable; use host_integerp and int_bit_position.
3934 (function_arg_record_value_2): Likewise.
3935 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3936 Variable REGNO now unsigned.
3937 (function_arg_record_value): NREGS now unsigned.
3939 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3941 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3943 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3945 * Rework fields used to describe positions of bitfields and
3946 modify sizes to be unsigned and use HOST_WIDE_INT.
3947 * alias.c (reg_known_value_size): Now unsigned.
3948 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3949 (really_start_incremental_init): Use bitsize_zero_node.
3950 (push_init_level, pop_init_level, output_init_element): Likewise.
3951 Use bitsize_unit_node and bitsize_one_node.
3952 (output_pending_init_elements, process_init_element): Likewise.
3953 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3954 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3955 HOST_WIDE_INT, respectively.
3956 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3957 (num_sign_bit_copies): Returns unsigned.
3958 BITWIDTH now unsigned; rework arithmetic.
3959 Remove recursive call from arg to MAX.
3960 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3961 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3963 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3964 (find_split_point, expand_compound_operation, make_extraction): LEN
3965 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3966 (make_field_assignment): Likewise.
3967 (combine_simplify_rtx): Add cast.
3968 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3969 (force_to_mode): WIDTH now unsigned; add cast.
3970 (if_then_else_cond): SIZE now unsigned.
3971 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3972 (extended_count): Now returns unsigned.
3973 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3974 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3975 (simplify_comparison): MODE_WIDTH now unsigned.
3976 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3977 (mark_used_regs_combine): Likewise; rework arithmetic.
3978 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3979 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3980 (record_promoted_value): REGNO now unsigned.
3981 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3982 (get_last_value): REGNO now unsigned.
3983 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3984 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3985 (remove_death): Arg REGNO now unsigned.
3986 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3987 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3989 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3990 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3991 (struct cse_reg_info): REGNO now unsigned.
3992 (cached_regno): Now unsigned.
3993 (REGNO_QTY_VALID_P): Add cast.
3994 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3995 (remove_invalid_regs): Likewise.
3996 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3997 as are variables END and I.
3998 (get_cse_reg_info, insert): Likewise.
3999 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4000 (canon_hash): Likewise.
4001 (insert_regs, lookup_for_remove): REGNO now unsigned.
4002 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4004 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4005 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4006 * emit-rtl.c (subreg_realpart_p): Add cast.
4007 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4008 (operand_subword_force): Arg I is now unsigned.
4009 * except.c (eh_regs): Variable I is now unsigned.
4010 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4011 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4012 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4013 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4014 (extract_split_bit_field, store_bit_field, extract_bit_field):
4016 * expr.c (store_constructor_fields, store_constructor, store_field):
4017 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4018 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4019 (do_jump): Likewise.
4020 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4021 MAX_SIZE is now unsigned.
4022 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4023 (emit_group_store): Likewise.
4024 (emit_move_insn): I now unsigned.
4025 (store_constructor): Use host_integerp, tree_low_cst, and
4027 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4028 Rework all calculations to use trees and new fields.
4029 * expr.h (promoted_input_arg): Regno now unsigned.
4030 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4031 (mark_seen_cases): Arg is HOST_WIDE_INT.
4032 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4033 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4034 precisions and alignments are unsigned.
4035 (optimize_bit_field_compare, fold_truthop): Likewise.
4036 (int_const_binop): Adjust threshold for size_int_type_wide call.
4037 (fold_convert): Likewise.
4038 (size_int_type_wide): Make table larger and fix thinko that only
4039 had half of table used.
4040 (all_ones_mask_p, fold): Precisions are unsigned.
4041 * function.c (put_reg_info_stack): REGNO is unsigned.
4042 (instantiate_decl): Size is HOST_WIDE_INT.
4043 (instantiate_virtual_regs): I is unsigned.
4044 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4045 (promoted_input_arg): REGNO is unsigned.
4046 * function.h (struct function): x_max_parm_reg is now unsigned.
4047 * gcse.c (max_gcse_regno): Now unsigned.
4048 (struct null_pointer_info): min_reg and max_reg now unsigned.
4049 (lookup_set, next_set): REGNO arg now unsigned.
4050 (compute_hash_table): REGNO and I now unsigned.
4051 (handle_avail_expr): regnum_for_replacing now unsigned.
4052 (cprop_insn): REGNO now unsigned.
4053 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4054 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4055 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4056 * hard-reg-set.h (reg_class_size): Now unsigned.
4057 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4058 * jump.c (mark_modified_reg): I now unsigned; add cast.
4059 (rtx_equal_for_thread_p): Add cast.
4060 * loop.c (max_reg_before_loop): Now unsigned.
4061 (struct_movable): REGNO now unsigned.
4062 (try_copy_prop): REGNO arg unsigned.
4063 (regs_match_p): XN and YN now unsigned.
4064 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4065 (strength_reduce): Likewise; NREGS also unsigned.
4066 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4067 * loop.h (struct iv_class): REGNO now unsigned.
4068 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4070 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4071 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4072 * optabs.c (expand_binop): I and NWORDS now unsigned.
4073 (expand_unop): I now unsigned.
4074 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4075 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4076 * real.c (significand_size): Now returns unsigned.
4077 * real.h (significand_size): Likewise.
4078 * regclass.c (reg_class_size): Now unsigned.
4079 (choose_hard_reg_mode): Both operands now unsigned.
4080 (record_reg_classes): REGNO and NR now unsigned.
4081 (reg_scan): NREGS now unsigned.
4082 (reg_scan_update): old_max_regno now unsigned.
4083 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4084 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4085 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4086 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4087 Likewise for variable R.
4088 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4089 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4090 (find_equiv_reg): Add casts.
4091 (regno_clobbered_p): Arg REGNO now unsigned.
4092 * reload.h (struct reload): NREGS now unsigned.
4093 (refers_to_regno_for_reload_p): Regno args are unsigned.
4094 (regno_clobbered_p): Likewise.
4095 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4096 (compute_use_by_pseudos): REGNO now unsigned.
4097 (find_reg): I and J now unsigned, new variable K, and change loop
4098 variables accordingly; THIS_NREGS now unsigned.
4099 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4100 (spill_hard_reg): REGNO arg now unsigned; add casts.
4101 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4102 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4103 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4104 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4105 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4106 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4107 (emit_reload_insns): REGNO now unsigned.
4108 (reload_cse_move2add): Add cast.
4109 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4111 * resource.c (mark_referenced_resources, mark_set_resources): New
4112 variable R; REGNO and LAST_REGNO now unsigned.
4113 (mark_target_live_regs): J and REGNO now unsigned.
4114 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4115 * rtl.h (union rtunion_def): New field rtuint.
4116 (XCUINT): New macro.
4117 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4118 (operand_subword, operand_subword_force): Word number is unsigned.
4119 (choose_hard_reg_mode): Operands are unsigned.
4120 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4121 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4122 (regno_use_in, combine_instructions, remove_death): Likewise.
4123 (reg_scan, reg_scan_update): Likewise.
4124 (extended_count): Return is unsigned.
4125 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4126 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4127 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4128 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4129 (reg_reg_last_1): FIRS and LAST now unsigned.
4130 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4131 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4133 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4134 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4135 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4136 (replace_regs): Arg NREGS now unsigned.
4137 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4138 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4139 (simplify_binary_operation): Likewise.
4140 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4141 THIS_LAST now unsigned.
4142 (cselib_record_set): Add cast.
4143 * ssa.c (ssa_max_reg_num): Now unsigned.
4144 (rename_block): REGNO now unsigned.
4145 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4147 (all_cases_count): Just return -1 not -2.
4148 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4149 Rework tests to use trees whenever possible.
4150 Use host_integerp and tree_low_cst.
4151 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4152 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4153 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4154 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4155 (smallest_mode_for_size): Likewise.
4156 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4157 KNOWN_ALIGN is now an alignment, so simplify code.
4158 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4159 (start_record_layout): Renamed from new_record_layout_info.
4160 Update to new fields.
4161 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4163 (place_union_field): Renamed from layout_union_field.
4164 Update to use new fields in rli.
4165 (place_field): Renamed from layout_field.
4166 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4167 (finalize_record_size): Rework to use new fields in rli and handle
4169 (compute_record_mode): Rework to simplify and to use new DECL fields.
4170 (finalize_type_size): Make rounding more consistent.
4171 (finish_union_layout): Deleted.
4172 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4173 (layout_type, case RECORD_TYPE): Call new function names.
4174 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4175 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4176 (get_best_mode): UNIT is now unsigned; remove casts.
4177 * tree.c (bit_position): Compute from new fields.
4178 (byte_position, int_byte_position): New functions.
4179 (print_type_hash_statistics): Cast to remove warning.
4180 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4181 (build_index_type): Likewise; make subtype of sizetype.
4182 (build_index_2_type): Pass sizetype to build_range_type.
4183 (build_common_tree_nodes): Use size_int and bitsize_int to
4184 initialize nodes; add bitsize_{zero,one,unit}_node.
4185 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4186 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4187 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4188 (DECL_FIELD_BITPOS): Deleted.
4189 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4190 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4191 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4192 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4193 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4194 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4195 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4196 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4197 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4198 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4199 (DECL_ALIGN): Adjust to new field in union.
4200 (DECL_OFFSET_ALIGN): New field.
4201 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4202 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4203 (union tree_decl): Add struct for both aligns.
4204 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4205 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4206 (struct record_layout_info): Rework fields to have offset
4207 alignment and byte and bit position.
4208 (start_record_layout, place_field): Renamed from old names.
4209 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4210 (byte_position, int_byte_position): Likewise.
4211 (get_inner_reference): Change types of position and length.
4212 * unroll.c (unroll_loop): New variable R; use for some loops.
4213 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4214 (calculate_giv_inc): Arg REGNO now unsigned.
4215 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4216 * varasm.c (assemble_variable): Clean up handling of size using
4217 host_integerp and tree_low_cst.
4218 (decode_addr_const): Use byte, not bit, position.
4219 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4220 use tree_low_cst and int_bit_position.
4221 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4223 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4225 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4226 (reorder_block_def): New members eff_head and eff_end.
4227 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4228 (verify_insn_chain): New function.
4229 (skip_insns_between_block): Add code to skip deleted insns.
4230 Check for note before using.
4231 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4232 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4233 Check for note before using.
4234 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4235 (fixup_reorder_chain): Restructure, clean up, defect removal.
4236 (reorder_basic_blocks): Remove last_insn and references to it.
4237 Moved insn chain verification code into a new function (see above).
4238 Delete defective code that sets last insn.
4239 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4242 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4244 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4246 2000-03-24 Richard Henderson <rth@cygnus.com>
4248 * tree.c (lang_safe_for_unsave): Remove.
4249 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4250 allowing for two levels of unsafeness. Remove lang hook.
4251 * tree.h: Update declarations.
4252 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4253 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4254 Always fail sibcalls when there are pending cleanups.
4256 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4258 * flow.c (propagate_block): When we delete an ADDR_VEC,
4259 also delete the BARRIER following it if there is one.
4261 2000-03-24 Richard Henderson <rth@cygnus.com>
4263 * builtins.c (expand_builtin_bzero): Convert `length' argument
4266 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4268 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4269 comparison if regno's are equal.
4270 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4271 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4272 (expand_call): Update caller.
4273 Avoid making a sibling call if argument size of the callee is larger
4274 than argument size of the caller.
4275 Call hard_function_value with outgoing set if in sibcall pass.
4276 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4278 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4279 Change LEAF_REGISTERS from an array initializer to actual array
4280 identifier. Move static global variable into the function.
4281 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4282 sequences for leaf functions.
4283 * global.c (global_alloc): Likewise.
4284 * tm.texi (LEAF_REGISTERS): Update documentation.
4286 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4287 TARGET_FLAT leaf disabling hack.
4288 (LEAF_REGISTERS): Changed from an array initializer to actual array
4289 identifier to avoid duplication and remove the above hack.
4290 (FUNCTION_OK_FOR_SIBCALL): Define.
4291 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4292 always like call attribute.
4293 (eligible_for_sibcall_delay): New attribute.
4294 (sibcall): New delay type.
4295 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4296 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4297 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4298 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4299 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4301 (output_function_epilogue): Move part of the code into
4302 output_restore_regs.
4303 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4305 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4308 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4309 until infrastructure is finished.
4311 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4313 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4314 (save_parm_insns): Not here.
4316 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4318 * builtins.c (expand_builtin_bzero): New function.
4319 (expand_builtin): Handle bzero.
4321 * builtins.def: Add BUILT_IN_BZERO.
4323 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4324 prototype & function for bzero.
4326 2000-03-23 Michael Meissner <meissner@redhat.com>
4328 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4329 change adding TARGET_FP to the TF floating point insns, except for
4330 trunctfsf2, which generates direct calls to truncdfsf2.
4332 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4334 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4335 try to protect against middle-end changes that break binary
4337 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4339 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4341 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4343 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4345 * calls.c (expand_call): If TARGET is passed by reference and
4346 is readonly, write a CLOBBER.
4348 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * builtins.c (expand_builtin): Handle bcmp.
4352 * builtins.def: Add BUILT_IN_BCMP.
4354 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4355 prototype & function for bcmp.
4357 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4359 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4360 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4361 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4363 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4365 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4366 alternative when using -fp64 -gp32.
4368 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4370 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4371 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4372 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4374 * frame.h (frame_state): Revert last change.
4375 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4376 * libgcc2.c (throw_helper): Revert last change.
4378 2000-03-22 Richard Henderson <rth@cygnus.com>
4380 * stmt.c (expand_asm_operands): Don't promote the temporary.
4382 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4384 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4385 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4386 c_get_alias_set): Likewise.
4387 * c-decl.c (duplicate_decls): Likewise.
4388 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4389 * calls.c (initialize_argument_information): Likewise.
4390 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4392 * dwarfout.c (decl_class_context,output_type): Likewise.
4393 * expr.c (get_inner_reference): Likewise.
4394 * fold-const.c (simple_operand_p,fold): Likewise.
4395 * function.c (aggregate_value_p): Likewise.
4396 * stmt.c (expand_asm_operands): Likewise.
4397 * varasm.c (named_section): Likewise.
4399 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4401 Implement dwarf2 exception handling for the ARM.
4402 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4403 (DWARF_FRAME_RETURN_COLUMN): Define.
4404 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4405 REG_FRAME_RELATED_EXPR note.
4406 (emit_sfm): Likewise.
4407 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4408 * dwarf2out.c (reg_save): Handle saving a register to itself.
4409 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4410 * except.c (eh_regs): Don't use the static chain reg if it's
4412 * frame.h (frame_state): Add cfa_saved field.
4413 * frame.c (execute_cfa_insn): Set it.
4414 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4416 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4418 (instantiate_virtual_regs): Adjust.
4420 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4421 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4422 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4424 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4425 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4427 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * builtins.def: New file.
4431 * Makefile.in (TREE_H): Depend on builtins.def.
4433 * builtins.c (built_in_names): Use builtins.def.
4435 * tree.h (built_in_function): Likewise.
4437 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4439 * tree.c (size_in_bytes): Return size_zero_node, not
4442 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4444 * config/fp-bit.c (pack_d): Correct the case when a denormal
4445 is rounded up and stops being denormal.
4447 2000-03-21 Richard Henderson <rth@cygnus.com>
4449 * config/alpha/alpha.c (function_arg): Check for void_type_node
4450 before using MUST_PASS_IN_STACK.
4452 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4454 * regmove.c (combine_stack_adjustments_for_block): Check that
4455 the stack pointer is a valid memory address.
4457 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4459 * calls.c: re-install Mar 16 emit_library_call merge.
4461 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4463 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4464 we cannot be sure that if reload_completed base register will
4465 be properly aligned.
4467 2000-03-21 Richard Henderson <rth@cygnus.com>
4469 * flow.c (delete_block): Fix typo last change.
4471 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4473 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4474 not COMPLETE_TYPE_P, to check the type of the expression.
4476 2000-03-21 Michael Meissner <meissner@redhat.com>
4478 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4479 all floating point insns that just tested the macro
4480 TARGET_HAS_XFLOATING_LIBS.
4481 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4482 used to only use the gprs.
4484 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4486 * tree.h (COMPLETE_TYPE_P): New macro.
4487 (COMPLETE_OR_VOID_TYPE_P): New macro.
4488 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4489 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4490 * c-aux-info.c (gen_type): Use them.
4491 * c-common.c (c_expand_expr_stmt): Likewise.
4492 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4493 grokdeclarator, grokparms, finish_struct, start_function,
4494 store_parm_decls, combine_parm_decls): Likewise.
4495 * c-parse.y (cast_expr): Likewise.
4496 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4497 c_size_in_bytes, c_alignof, build_component_ref,
4498 build_indirect_ref, build_array_ref, convert_arguments,
4499 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4500 * calls.c (initialize_argument_information): Likewise.
4501 * convert.c (convert_to_integer): Likewise.
4502 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4503 * dwarfout.c (location_or_const_value_attribute,
4504 output_enumeration_type_die, output_structure_type_die,
4505 output_union_type_die, output_type): Likewise.
4506 * expr.c (safe_from_p, expand_expr): Likewise.
4507 * function.c (assign_parms): Likewise.
4508 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4509 * tree.c (build_array_type, build_function_type,
4510 build_method_type, build_offset_type, build_complex_type): Likewise.
4511 * c-parse.c, c-parse.h: Regenerated.
4513 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4515 * config/c4x/rtems.h: Include config/rtems.h.
4517 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4519 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4520 decl is a FUNCTION_DECL
4522 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4524 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4525 function uses output registers. Don't save RP for leaf functions.
4526 Do save RP even if no epilogue.
4527 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4528 (CALL_USED_REGISTERS): Unmark in registers.
4529 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4532 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4534 * config/rs6000/rs6000.md (bunordered): New expander.
4535 (bordered): New expander.
4536 (buneq): New expander.
4537 (bunge): New expander.
4538 (bungt): New expander.
4539 (bunle): New expander.
4540 (bunlt): New expander.
4541 (bltgt): New expander.
4543 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4544 (ccr_bit_negated_p): New function.
4545 (print_operand): For %C, generate appropriate cror for UNEQ,
4546 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4548 2000-03-20 Andreas Jaeger <aj@suse.de>
4550 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4553 * tree.h (safe_for_unsave): Prototype.
4555 2000-03-20 Richard Henderson <rth@cygnus.com>
4557 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4558 (combine_stack_adjustments_for_block): Don't allow sp references
4559 in the side of a set we're not fixing up.
4560 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4561 after life_analysis.
4563 2000-03-20 Richard Henderson <rth@cygnus.com>
4565 * calls.c (expand_call): Don't bother generating tail call
4566 sequences if there are pending cleanups. Use
4567 expand_start_target_temps/expand_end_target_temps to elide
4568 cleanups created during sibcall expansion.
4570 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4572 * configure.in: Set $IFS to a value if it doesn't already have one
4573 in the --enable-checking handling.
4574 * configure: Regenerate.
4576 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4578 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4579 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4582 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4584 * jump.c (delete_noop_moves): Remove code attempting to
4585 combine stack adjustments.
4587 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4589 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4590 * except.c (emit_cleanup_handler): Use them.
4591 (expand_end_all_catch): Likewise.
4592 * function.c (fixup_var_refs): Likewise.
4593 (expand_function_end): Clear catch_clauses_last.
4594 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4595 * except.h (struct eh_status): New field x_catch_clauses_last.
4596 (catch_clauses_last): New define.
4598 * Makefile.in (tree.o): Depend on HASHTAB_H.
4599 * tree.c: Include hashtab.h.
4600 (struct type_hash): Remove next field.
4601 (TYPE_HASH_SIZE): Remove.
4602 (TYPE_HASH_INITIAL_SIZE): New define.
4603 (type_hash_table): Change type to htab_t.
4604 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4605 mark_hash_entry): New functions.
4606 (init_obstacks): Allocate type hash.
4607 (type_hash_lookup): Use htab functions.
4608 (type_hash_add, mark_type_hash): Likewise.
4609 (dump_tree_statistics): Call print_type_hash_statistics.
4611 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613 * rs6000/t-aix41: New file.
4615 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4617 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4619 * tm.texi (Driver): Fix typos and tweak entry for
4621 Move misplaced STRUCT_FORCE_BLK entry ...
4622 (Storage Layout): ... to here.
4623 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4625 2000-03-19 Richard Henderson <rth@cygnus.com>
4627 * flow.c (delete_block): Delete the addr_vec along with the block.
4628 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4631 * fold-const.c (extract_muldiv): Apply type check for defined
4632 overflow to multiply as well as divide.
4634 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4636 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4638 * emit-rtl.c (remove_unncessary_notes): Check that all
4639 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4640 associated NOTE_BLOCK.
4641 * function.h (identify_blocks): Update comments.
4642 (reorder_blocks): Declare.
4643 * function.c (identify_blocks): Don't take paramters.
4644 (reorder_blocks): Don't take parameters.
4645 * loop.h (find_loop_tree_blocks): Remove.
4646 (unroll_block_trees): Likewise.
4647 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4648 reorder_blocks instead of unroll_block_trees.h
4649 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4650 * stmt.c (find_loop_tree_blocks): Remove.
4651 (unroll_block_trees): Likewise.
4652 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4653 in whole-function mode.
4654 * tree.h (reorder_blocks): Remove declaration.
4656 * expr.c: Include intl.h.
4657 * Makefile.in (expr.o): Depend on intl.h.
4659 2000-03-18 Richard Henderson <rth@cygnus.com>
4661 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4663 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4665 * tree.h (tree_index): Remove enumerals for integer types.
4666 (integer_type_kind): New type.
4667 (integer_types): New variable.
4668 (char_type_node): Adjust.
4669 (signed_char_type_node): Likewise.
4670 (unsigned_char_type_node): Likewise.
4671 (short_integer_type_node): Likewise.
4672 (short_unsigned_type_node): Likewise.
4673 (integer_type_node): Likewise.
4674 (unsigned_type_node): Likewise.
4675 (long_integer_type_node): Likewise.
4676 (long_unsigned_type_node): Likewise.
4677 (long_long_integer_type_node): Likewise.
4678 (long_long_unsigned_type_node): Likewise.
4679 * tree.c (integer_types): New variable.
4680 (init_obstacks): Register it as a root.
4682 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4684 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4685 NEXT_INSN. Update last insn in chain.
4687 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4689 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4690 with TYPE_DECL_SUPPRESS_DEBUG set.
4692 2000-03-18 Richard Henderson <rth@cygnus.com>
4694 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4696 2000-03-18 Richard Henderson <rth@cygnus.com>
4698 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4699 care for HALF_PIC_P.
4700 (expander_call_insn_operand): Remove.
4701 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4702 * i386.h (PREDICATE_CODES): Update.
4703 * i386.md (all call expanders): Remove predicates, remove special
4704 handling for half-pic.
4705 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4706 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4707 (sibcall_epilogue): New.
4709 2000-03-17 Richard Henderson <rth@cygnus.com>
4711 * rtlanal.c (single_set): Reject if the parallel has anything
4712 except SET or USE or CLOBBER.
4714 2000-03-17 Jeff Law <law@cygnus.com>
4715 Richard Henderson <rth@cygnus.com>
4717 * Makefile.in (OBJS): Add sibcall.o.
4719 * sibcall.c: New file.
4720 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4721 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4722 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4723 Emit sibcall patterns when requested. Update all callers.
4724 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4725 elimination seems feasable.
4726 * final.c (leaf_function_p): Sibling calls don't discount being
4728 * flow.c (HAVE_sibcall_epilogue): Provide default.
4729 (find_basic_blocks_1): Sibling calls don't throw.
4730 (make_edges): Make edge from sibling call to EXIT.
4731 (propagate_block): Don't remove sibcall_epilogue insns.
4732 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4733 (sibcall_epilogue): New.
4734 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4735 (identify_blocks_1): Likewise. Break out from ...
4736 (identify_blocks): ... here.
4737 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4738 (reorder_blocks): ... here.
4739 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4740 (record_insns): Extend a varray instead of mallocing new memory.
4741 (contains): Read a varray not array of ints.
4742 (sibcall_epilogue_contains): New.
4743 (thread_prologue_and_epilogue_insns): Emit and record
4744 sibcall_epilogue patterns.
4745 (init_function_once): Allocate prologue/epilogue varrays.
4746 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4747 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4749 (save_for_inline_nocopy): ... here.
4750 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4752 (expand_inline_function): ... here.
4753 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4754 (subst_constants): Handle 'n' formats.
4755 * jump.c (jump_optimize_minimal): New.
4756 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4757 optimizations if it's set.
4758 * rtl.c (copy_rtx): Do copy jump & call for insns.
4759 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4760 (SIBLING_CALL_P): New.
4761 (sibcall_use_t): New.
4762 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4763 Invoke optimize_sibling_and_tail_recursive_calls.
4764 * tree.c (lang_safe_for_unsave): New.
4765 (safe_for_unsave): New.
4766 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4768 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4769 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4770 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4772 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4774 * objc/objc-act.c (encode_method_prototype): Pass types, not
4775 PARM_DECLs, to int_size_in_bytes.
4777 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4779 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4781 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4782 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4784 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4786 * Clean up usages of TREE_INT_CST_LOW.
4787 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4788 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4790 * c-tree.h (min_precision): Move declaration to here.
4791 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4792 (build_unary_op, add_pending_init): Use bit_position.
4793 (pending_init_member, process_init_element): Likewise.
4794 (really_start_incremental_init, push_init_level, pop_init_level):
4795 Don't make copies of nodes or modify them in place, use consistent
4796 types when tracking positions, and use tree routines computations.
4797 (set_init_index, output_init_element): Likewise.
4798 (output_pending_init_elements, process_init_element): Likewise.
4799 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4800 tree_low_cst and int_bit_position; also minor cleanup.
4801 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4802 (print_cst_octal): Precision is unsigned.
4803 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4804 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4805 (simple_type_align_in_bits): Result is unsigned int.
4806 Use tree_int_low_cst and host_integerp.
4807 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4808 (field_byte_offset): Result is HOST_WIDE_INT.
4809 Change types of internal variables so alignments are unsigned int,
4810 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4811 Use host_integerp, tree_low_cst, and int_bit_position.
4812 (add_bit_offset_attribute): Likewise.
4813 (add_data_member_location_attribute): Use tree_cst_low.
4814 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4815 (add_bit_size_attribute): Use tree_low_cst.
4816 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4817 * dwarfout.c: Similar changes to dwarf2out.c.
4818 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4819 * genoutput.c (n_occurences): Return -1 for null string.
4820 (strip_whitespace): Accept null string and make into function.
4821 (scan_operands): Reflect above changes.
4822 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4823 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4824 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4825 * tree.c (int_size_in_bytes): Check for too big to represent.
4826 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4827 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4829 (min_precision): Delete from here.
4830 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4831 and int_bit_position.
4832 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4833 (encode_method_def): Likewise.
4834 (build_ivar_list_initializer): Use int_bit_position.
4835 (generate_shared_structures): Convert size.
4836 (encode_type, encode_complete_bitfield): Use integer_zerop.
4837 (encode_bitfield): Use tree_low_cst and int_bit_position.
4839 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4841 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4843 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4845 * call.c (special_function_p): It is only malloc if it returns
4848 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4850 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4851 (C33_FLAG, TARGET_C3X): Add macros.
4852 (TARGET_SWITCHES): Add -m33 option.
4853 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4855 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4857 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4858 (PARALLEL_PACK_FLAG): Delete.
4859 (TARGET_SWITCHES): Update.
4860 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4862 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4864 * fold-const.c (fold): Fix a few cases when the returned result
4865 is not of the same type as the input.
4867 2000-03-16 Nick Clifton <nickc@cygnus.com>
4869 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4872 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4874 * libgcc2.h: Move prototypes above macros with the same name.
4875 Wrap some function prototypes in the conditional which indicates
4876 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4878 2000-03-16 Richard Henderson <rth@cygnus.com>
4880 * calls.c: Revert last two changes.
4882 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4884 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4885 has exponent 0 is a zero.
4887 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4888 HASH may already be nonzero. Add code/mode into hash value
4889 immediately after repeat label.
4890 (cselib_lookup): Don't leave the hash table in an inconsistent
4891 state before a hash lookup operation.
4893 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4895 * i386.md (all HI and QI mode non-move patterns): Conditionize
4896 by TARGET_[HQ]IMODE_MATH.
4897 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4898 x86_promote_qi_regs): Declare.
4899 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4900 TARGET_PROMOTE_QI_REGS): New macros.
4901 (PROMOTE_MODE): New macro.
4902 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4903 x86_promote_qi_regs): New global variables.
4905 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4907 * calls.c (emit_library_call_value_1): Break out from ...; handle
4908 VOIDmode function calls too.
4909 (emit_library_call_value): ... here.
4910 (emit_library_call): Implement by calling emit_library_call_value_1.
4912 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4914 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4915 Update arg_space_so_far on stack adjustments.
4916 (emit_library_call, emit_library_call_value): Likewise; take into
4917 account arg_space_so_far and pending_stack_adjust when calculcating
4920 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4922 * flow.c: Move all basic block reordering code into its own file.
4923 (create_basic_block): Externalize.
4924 * bb-reorder.c: New file. Copy all basic block reordering code from
4925 flow.c to this file.
4926 (reorder_basic_blocks): Fix fencepost error in for-loop.
4927 (reorder_basic_blocks): Remove braces from single statement for-loops.
4928 * basic-block.h: Add declaration for create_basic_block.
4929 * Makefile.in: Add rules for bb-reorder.o.
4931 2000-03-16 Neil Booth <NeilB@earthling.net>
4933 * cppinit.c (handle_option): Implement #unassert directive
4934 as -A- command line option.
4935 (print_help): Update.
4936 * cpptexi.c: Update.
4938 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4940 * md.texi (Standard Names): Document `jump'.
4942 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4944 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4947 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4949 Merge changes from newppc-branch onto trunk.
4951 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4953 * rs6000.c (toc_hash_table): Update for new hash table functions.
4954 (toc_hash_function): Likewise.
4955 (toc_hash_eq): Likewise.
4956 (toc_hash_mark_entry): Likewise.
4957 (toc_hash_mark_table): Likewise.
4958 (output_toc): Likewise.
4959 (rs6000_add_gc_roots): Likewise.
4961 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4963 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4964 (AR_FLAGS_FOR_TARGET): here. New macro.
4966 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4968 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4969 fpmem_operand) Delete.
4971 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4972 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4973 (rs6000_save_machine_status, rs6000_restore_machine_status,
4974 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4975 references to above variables.
4976 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4977 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4978 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4979 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4980 (XER_REGNO_P, XER_REGNO): New.
4981 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4982 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4983 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4985 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4986 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4987 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4989 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4991 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4992 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4993 * rs6000.h: from here.
4995 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4996 (rs6000_select_rtx_section): Likewise.
4997 (rs6000_encode_section_info): Likewise.
4998 (sdata_section): Likewise.
4999 (sdata2_section): Likewise.
5000 (sbss_section): Likewise.
5001 * sysv4.h (rs6000_select_section): Delete prototype.
5002 (rs6000_select_rtx_section): Likewise.
5003 (rs6000_encode_section_info): Likewise.
5004 (sdata_section): Likewise.
5005 (sdata2_section): Likewise.
5006 (sbss_section): Likewise.
5007 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5009 * sysv4.h: Delete various unnecessary #undef's and put a comment
5010 on the remaining ones.
5011 Change various comments according to coding standard.
5013 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5015 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5016 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5017 (CR0_REGNO_P) Remove.
5018 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5019 setup_incoming_varargs, mtcrf_operation, print_operand,
5020 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5021 Use the above macros.
5023 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5025 * config/rs6000/rs6000.md: Added a new alternative for each
5026 pattern that had a 'x' alternative but no 'y' alternative.
5027 Added a new split for each of the above patterns.
5029 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5031 * aix41.h (ASM_CPU_SPEC): Delete.
5032 (CPP_CPU_SPEC): Delete.
5034 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5035 (ASM_OUTPUT_LABEL): Define.
5036 (ASM_GLOBALIZE_LABEL): Define.
5037 (STRIP_NAME_ENCODING): Define.
5038 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5039 (STRIP_NAME_ENCODING): Don't define.
5040 (ASM_OUTPUT_LABEL): Don't define.
5041 (ASM_GLOBALIZE_LABEL): Don't define.
5042 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5043 names, and ASM_OUTPUT_LABEL to output labels, rather than
5045 (ASM_OUTPUT_LABEL): Define.
5046 (ASM_OUTPUT_INT): Use assemble_name.
5047 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5048 (STRIP_NAME_ENCODING): Don't undefine first.
5049 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5051 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5052 specified with 'asm' even with -fleading-underscore.
5053 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5054 (output_epilog): Likewise.
5055 (output_toc): Likewise.
5056 * tramp.asm: Handle -fleading-underscore correctly.
5058 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5060 (nonlocal_goto_receiver): Delete.
5061 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5063 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5064 (SET_ASM_OP): Define.
5065 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5067 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5070 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5071 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5073 * rs6000.h: Add 'u' to more constants.
5075 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5077 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5079 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5081 * rs6000.c (reg_or_u_cint_operand): New function.
5082 (logical_operand): Handle 64-bit hosts.
5083 (logical_u_operand): New function.
5084 (non_logical_cint_operand): Handle 64-bit hosts.
5085 (non_logical_u_cint_operand): New function.
5086 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5087 (PREDICATE_CODES): Define new functions.
5088 * rs6000-protos.h: Declare new functions.
5089 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5090 (movdi_64): Bracket code intended for 64-bit hosts. Create
5091 CONST_DOUBLE for 32-bit values.
5092 (scc insns): Generate DImode compares.
5093 (mfcr insns): Create DImode versions.
5094 (sge matchers): New patterns.
5096 2000-02-15 Gabriel Paubert <paubert@iram.es>
5098 * rs6000.md: Correct instructions length attributes and
5099 constraints on unsigned compare instructions.
5100 (*ne0): Disable for PowerPC64.
5102 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5104 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5105 quantity, fix profile1.C test failure under -fPIC.
5107 * rs6000.c: Add 'u' to many constants to suppress warnings.
5108 (constant_pool_expr_1): Make static.
5109 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5110 * rs6000.h: Add 'u' to many constants to suppress warnings.
5112 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5113 for the start of the TOC, instead of LCTOC..0.
5114 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5116 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5117 (load_toc_aix_di): Use LCTOC..1.
5119 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5120 * rs6000.c (rs6000_legitimize_address): New function from
5121 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5122 symbols in the constant pool that really are TOC references.
5123 (print_operand_address): For ELF, write TOC offsets under
5124 -fPIC as subtractions in the insn.
5125 (output_toc): For ELF, define symbols in TOC as normal labels,
5127 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5128 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5129 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5130 * rs6000.md (movsi): Only use create_TOC_reference on
5131 symbols in the constant pool that really are TOC references.
5133 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5134 * rs6000.c (rs6000_reorg): Delete.
5135 * rs6000-protos.h (rs6000_reorg): Delete.
5137 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5139 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5141 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5142 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5143 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5144 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5145 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5146 rs6000_aix_emit_builtin_unwind_init.
5147 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5148 rs6000_emit_eh_toc_restore on AIX.
5149 (return_eh_si): Use r2.
5150 (return_eh_di): Use r2.
5152 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5153 since we're breaking binary compatibility anyway.
5155 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5157 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5158 constant_pool_expr_p): Declare them.
5159 (constant_pool_expr_p): Declare it.
5160 * config/rs6000/rs6000.c (toc_label_name): Define.
5161 (rs6000_override_options): Set toc_label_name.
5162 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5163 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5164 uses_TOC): New functions.
5165 (print_operand): Delete old '*' case.
5166 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5167 and strip off rtl for TOC before calling output_addr_const.
5168 (rs6000_emit_load_toc_table): Use toc_label_name.
5169 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5171 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5172 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5173 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5174 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5175 into explicit TOC_REGISTER offsets.
5176 (TOC_REGISTER): New macro.
5177 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5178 TARGET_TOC to reference TOC_REGISTER.
5179 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5180 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5181 uses_TOC before emitting label references.
5183 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5185 * rs6000.md (stack_tie): Fix warning.
5187 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5188 to handle -fleading-underscore.
5189 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5190 (USER_LABEL_PREFIX): New macro.
5191 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5192 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5193 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5194 call-linux can use the same multilibs.
5195 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5196 and call-linux multilibs. Do multilib with -fleading-underscore.
5197 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5198 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5201 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5202 have MASK_SOFT_FLOAT set.
5203 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5204 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5205 CPP_FLOAT_DEFAULT_SPEC.
5207 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5208 * rs6000.md: Whitespace change.
5209 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5210 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5212 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5214 * rs6000.md (eh_epilogue): New expander.
5215 (eh_reg_restore): New expand/split/insn combination.
5216 (return_eh_si): New insn.
5217 (return_eh_di): New insn.
5219 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5220 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5221 * eabi-ctors.c (__do_global_ctors): Register this object's
5222 frame. Clean up. Call atexit() after the constructors.
5223 (__do_global_dtors): Deregister this object's frame. Clean up.
5224 Allow for recursive calls to exit().
5225 * rs6000.c (fixuplabelno): New variable.
5226 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5227 TARGET_RELOCATABLE, it slows down exec() under linux.
5228 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5230 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5231 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5232 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5233 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5234 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5235 (ASM_OUTPUT_DWARF_ADDR): New macro.
5236 (ASM_OUTPUT_DWARF_DATA4): New macro.
5237 (ASM_OUTPUT_DWARF_DATA2): New macro.
5238 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5239 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5240 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5242 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5244 * rs6000.c (rs6000_sr_alias_set): New variable.
5245 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5246 (rs6000_emit_stack_tie): New function.
5247 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5248 in a way that dwarf2out can understand.
5249 (rs6000_frame_related): New function.
5250 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5251 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5252 Use rs6000_emit_stack_tie when needed.
5253 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5254 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5255 * rs6000.md (stack_tie): New insn.
5256 (return_internal_si): Allow return value to be in the count
5258 (return_internal_di): Likewise.
5260 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5262 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5264 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5266 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5268 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5270 * rs6000.md (stmw): Use the right POWER opcode.
5273 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5275 * rs6000-protos.h: New file.
5277 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5279 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5282 * sysv4.h: Likewise.
5284 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5286 * ../../configure.in: Delete powerpcle-*-winnt*
5287 and powerpcle-*-pe|powerpcle-*-cygwin*.
5288 * ../../configure: Regenerated.
5290 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5291 (TARGET_WINDOWS_NT): Delete.
5293 (CALL_NT_DLLIMPORT): Delete.
5294 Delete NT-specific code.
5295 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5298 * nt-ci.asm: Delete.
5299 * nt-cn.asm: Delete.
5300 * ntstack.asm: Delete.
5302 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5304 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5305 (ASM_FILE_START): Likewise.
5306 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5307 (ASM_OUTPUT_LABELREF): Likewise.
5308 (ASM_OUTPUT_SKIP): Likewise.
5309 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5310 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5311 (ASM_OUTPUT_CASE_LABEL): Likewise.
5312 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5313 (ASM_OUTPUT_ASCII): Likewise.
5315 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5317 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5318 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5319 increment rs6000_pic_labelno here.
5320 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5321 and increment rs6000_pic_labelno here.
5323 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5325 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5326 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5327 allocation knows (reg) is dead before the insn.
5329 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5331 * rs6000.md (movsi_to_cr): Correct typo in output template.
5333 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5335 * rs6000.c (rs6000_pic_labelno): Always define.
5336 (rs6000_pic_func_labelno): Delete.
5337 (lmw_operation): Check for a zero base register,
5338 which doesn't mean what we want.
5339 (stmw_operation): New function.
5340 (print_operand): Define new 'l' modifier.
5341 (rs6000_stack_info): We must save all 64 bits of the registers
5342 if TARGET_POWERPC64.
5343 (rs6000_output_load_toc_table): Delete.
5344 (rs6000_emit_load_toc_table): New function.
5345 (rs6000_allocate_stack_space): Delete.
5346 (rs6000_emit_allocate_stack): New function.
5347 (rs6000_emit_prologue): New function.
5348 (output_prolog): Use rs6000_emit_prologue.
5349 (rs6000_emit_epilogue): Change a few variable names to be
5350 more accurate. Restore all 64 bits of the registers if
5351 TARGET_POWERPC64. Only restore the FP registers which were used
5352 if they are being saved/restored one-at-a-time.
5353 (output_mi_thunk): Delete inefficient code generation.
5354 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5355 * rs6000.h: Declare rs6000_emit_load_toc_table,
5356 rs6000_allocate_stack_space, stmw_operation. Don't declare
5357 rs6000_output_load_toc_table.
5358 * rs6000.md (elf_high): Allow register 0, but discourage it
5360 (elf_low): Support loading into register 0.
5361 (load_toc_aix_si): New pattern.
5362 (load_toc_aix_di): New pattern.
5363 (load_toc_v4_pic_si): New pattern.
5364 (load_toc_v4_pic_di): New pattern.
5365 (load_toc_v4_PIC_1): New pattern.
5366 (load_toc_v4_PIC_1b): New pattern.
5367 (load_toc_v4_PIC_2): New pattern.
5368 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5369 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5370 (prologue): New expander.
5371 (movesi_from_cr): New pattern.
5372 (stmw): New pattern.
5373 (save_fpregs_si): New pattern.
5374 (save_fpregs_di): New pattern.
5376 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5378 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5383 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5385 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5387 (movsi_got_internal): Likewise.
5388 (movsi_got_internal+1): Likewise.
5389 (set_sp): 'unspec 7' does a SImode clobber.
5391 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5393 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5394 allocate a stack temporary.
5395 (floatsidf2_internal): Likewise.
5396 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5398 (floatunssidf2): Don't use the fpmem "register", just
5399 allocate a stack temporary.
5400 (floatunssidf2_internal): Likewise.
5401 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5403 (floatsidf2_loadaddr): Delete.
5404 (floatsidf2_store1): Delete.
5405 (floatsidf2_store2): Delete.
5406 (floatsidf2_load): Delete.
5407 (fix_truncdfsi2): Don't use the fpmem "register", just
5408 allocate a stack temporary.
5409 (fix_truncdfsi2_internal_si): Delete.
5410 (fix_truncdfsi2_internal_di): Delete.
5411 (fix_truncdfsi2_internal): New insn.
5412 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5413 (fix_truncdfsi2_store): Delete.
5414 (fix_truncdfsi2_load): Delete.
5415 (fctiwz): Produce gen_fctiwz.
5417 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5419 * eabi.h (INVOKE__main): Define.
5420 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5422 (rs6000_emit_prologue): Likewise.
5423 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5424 this is the main program.
5426 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5428 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5430 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5432 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5433 goes after the argument.
5435 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5437 * rs6000.md: Document 'unspec' values used.
5438 (epilogue): New expander.
5439 (movesi_to_cr_one): New expander.
5440 (movesi_to_cr and following): New pattern.
5442 (return_internal_si): New pattern.
5443 (return_internal_di): New pattern.
5444 (return_and_restore_fpregs_si): New pattern.
5445 (return_and_restore_fpregs_di): New pattern.
5446 * rs6000.h: Declare new functions.
5447 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5448 rather than rs6000_calls_p.
5449 (rs6000_makes_calls): Delete.
5450 (lmw_operation): New function.
5451 (mtcrf_operation): New function.
5452 (rs6000_emit_epilogue): New function.
5453 (output_epilog): Call rs6000_emit_epilogue and final if
5454 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5456 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5458 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5459 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5460 * aix.h (SUBTARGET_SWITCHES): Document switches.
5461 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5462 sched-prolog and sched-epilog the same. Document all the
5464 (TARGET_OPTIONS): No longer allow -mdebug-.
5466 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5468 * rs6000.h (ASM_FILE_END): Move to aix.h.
5469 (EXTRA_SECTIONS): Move to aix.h.
5470 (READONLY_DATA_SECTION): Move to aix.h.
5471 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5472 (SELECT_SECTION): Move to aix.h.
5473 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5474 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5475 (LINK_REGISTER_REGNUM): New definition.
5476 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5477 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5479 * sysv4.h: Delete the code between the inclusion of rs6000.h
5481 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5482 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5483 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5484 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5485 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5486 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5487 (fix_truncdfsi2_internal_di): New pattern.
5488 (fix_truncdfsi2_store): The second arg here is Pmode too.
5489 (fix_truncdfsi2_load): The second arg here is Pmode too.
5490 (tablejumpdi): Now that switch tables hold only SImode values,
5491 gcc needs to know how to add them to the pc which is DImode.
5492 * rs6000.c (rs6000_stack_info): Use symbolic name for
5493 LINK_REGISTER_REGNUM.
5494 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5495 (output_toc): Delete unused variables s1 and s2.
5496 (output_ascii): Use fputs not fprintf on a variable string.
5498 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5500 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5501 * aix43.h: Revert Aug 2 change.
5502 (HAS_INIT_SECTION): Define, not visible yet.
5503 (LD_INIT_SWITCH): Define, not visible yet.
5504 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5506 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5508 * config/rs6000/rtems.h: Include config/rtems.h.
5510 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5512 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5513 (SLOW_UNALIGNED_ACCESS): Define.
5514 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5515 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5516 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5517 (toc_section): Likewise and .toc pseudo-op.
5518 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5520 (TEXT_SECTION_ASM_OP): Likewise.
5521 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5524 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5526 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5527 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5530 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5532 * rs6000.h: Move more stuff from here...
5534 * sysv4.h: Cleanup accordingly.
5535 * netware.h: Likewise
5537 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5539 * rs6000.h: Continue cleanup.
5542 * netware.h: Likewise.
5544 * sysv4.h: Likewise.
5545 * win-nt.h: Likewise.
5547 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5548 (TARGET_OPTIONS): Likewise.
5550 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5551 (SUBTARGET_OPTIONS): Likewise.
5553 * rs6000.md: Fix compile time warnings.
5555 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5557 vxworks patches from the Cygnus tree originally by
5558 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5559 <vmakarov@cygnus.com>.
5560 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5561 (ENDFILE_SPEC): Likewise.
5562 (LIB_VXWORKS_SPEC): New macro.
5563 (STARTFILE_VXWORKS_SPEC): New macro.
5564 (ENDFILE_VXWORKS_SPEC): New macro.
5565 (LINK_START_VXWORKS_SPEC): New macro.
5566 (LINK_OS_VXWORKS_SPEC): New macro.
5567 (CPP_OS_VXWORKS_SPEC): New macro.
5568 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5569 * vxppc.h: Rewrite to use proper configuration method.
5570 * vxppcle.h: New file.
5571 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5572 * ../../configure: Rebuilt.
5574 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5576 Lots of changes to rs6000.h, sysv4.h, aix.h,
5577 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5578 with the aim that rs6000.h is the first header
5579 included and the others override it.
5582 * x-aix41-gld: Remove.
5584 * x-aix41: Remove target-specific switches, and don't specify
5585 -Wl,-bbigtoc as we don't need it any more.
5586 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5587 Use t-aix43 for AIX 4.3 and above.
5588 * ../../configure: Regenerated.
5590 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5591 options, that don't do anything yet.
5592 (MASK_SCHED_PROLOG): New macro.
5593 (MASK_SCHED_EPILOG): New macro.
5594 (TARGET_SCHED_PROLOG): New macro.
5595 (TARGET_SCHED_EPILOG): New macro.
5597 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5599 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5600 one per translation unit, not one per function.
5601 (output_toc): Also do duplicate constant elimination
5602 for per-translation-unit TOCs.
5604 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5605 a comment explaining _exactly_ when this pattern gets used.
5606 (builtin_setjmp_receiver): New pattern for better clarity.
5607 (init_v4_pic): Move it into a section dealing with TOC registers.
5609 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5611 * rs6000.c (toc_hash_table): New variable.
5612 (rs6000_hash_constant): New function.
5613 (toc_hash_function): New function.
5614 (toc_hash_eq): New function.
5615 (toc_hash_mark_entry): New function.
5616 (toc_hash_mark_table): New function.
5617 (output_toc): Don't output duplicate TOC entries in
5619 (rs6000_add_gc_roots): Add the hash table as a GC root.
5620 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5621 where they clearly shouldn't be. This may need to be fixed
5622 later when there is a GNU ar for AIX.
5623 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5624 Don't define BOOT_LDFLAGS as it is now not necessary.
5626 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5628 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5629 for va_list on AIX. Use unsigned_char_type_node rather than
5630 constructing our own version on svr4.
5632 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5634 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5635 since patently it's not.
5637 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5639 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5640 define_expand/define_insn pair, and handle restore of the
5641 SVR4 -fpic register.
5643 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5645 * acconfig.h (HAVE_GAS_WEAK): New define.
5646 * configure.in (assembler weak support): Check for .weak support.
5647 * config.in, configure: Rebuilt.
5648 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5649 HAVE_GAS_WEAK is defined.
5651 2000-03-15 Nick Clifton <nickc@cygnus.com>
5653 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5656 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5658 * cppfiles.c (open_include_file): New function.
5659 (find_include_file, cpp_read_file): Use it.
5661 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5663 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5665 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5667 * flow.c (verify_flow_info): Check for unconditional return.
5669 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5671 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5672 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5673 (__ia64_restore_stack_nonlocal): New.
5674 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5676 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5678 * cpphash.c (collect_formal_parameters): Do not complain about
5679 parameter names that just start with `__VA_ARGS__'.
5681 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5683 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5684 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5685 * i386.c (pentiumpro_cost): Set mul cost to 4.
5686 (x86_use_movx): Set for PPro.
5688 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5690 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5691 STACK_BOUNDARY for empty frames now.
5693 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5695 * stor-layout.c (layout_union): Remove.
5696 (layout_union_field): New function, split out from layout_union.
5697 (finish_union_layout): Likewise.
5698 (layout_field): Handle unions by calling layout_union_field.
5699 (finish_record_layout): Handle unions.
5700 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5701 QUAL_UNION_TYPE handling.
5703 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5705 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5706 end of basic block is jump_insn, not barrier; use create_basic_block
5707 instead of creating basic block by hand.
5709 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5711 * flow.c (reorder_basic_blocks): Account for barriers when writing
5712 over NEXT_INSN (last_bb->end).
5713 (verify_flow_info): Add check for missing barriers.
5715 2000-03-14 Greg McGary <gkm@gnu.org>
5717 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5718 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5719 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5720 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5721 __unbounded, __unbounded__): New keywords.
5722 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5723 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5724 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5726 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5728 * cselib.h: New file.
5729 * alias.c: Include "cselib.h".
5730 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5731 MEMs as two new arguments.
5732 (get_addr): New static function.
5733 (find_base_term): Handle VALUEs.
5734 (memrefs_conflict_p): Likewise.
5735 (true_dependence): Call get_addr on the addresses.
5736 Call fixed_scalar_and_varying_struct_p with addresses that have been
5737 passed through get_addr and canon_rtx.
5738 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5739 with true_dependence.
5740 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5741 * loop.c: Include "cselib.h".
5742 (load_mems): Process extended basic block that enters the loop with
5743 cselib. Use that information to change initialization of the shadow
5744 register so that a constant equivalence is seen by later passes.
5745 * reload1.c: Include "cselib.h".
5746 (reload_cse_invalidate_regno): Delete function.
5747 (reload_cse_mem_conflict_p): Likewise.
5748 (reload_cse_invalidate_mem): Likewise.
5749 (reload_cse_invalidate_rtx): Likewise.
5750 (reload_cse_regno_equal_p): Likewise.
5751 (reload_cse_check_clobber): Likewise.
5752 (reload_cse_record_set): Likewise.
5753 (reg_values): Delete static variable.
5754 (invalidate_regno_rtx): Likewise.
5755 (reload_cse_delete_noop_set): New static function.
5756 (reload_cse_simplify): New static function, broken out of
5758 (reload_cse_noop_set_p): Delete unused argument INSN.
5759 Just call rtx_equal_for_cselib_p on set source and destination.
5760 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5761 reload_cse_delete_noop_set. Delete code to keep track of values; use
5762 cselib functions instead. Delete code to push/pop obstacks.
5763 (reload_cse_simplify_set): Use cselib to find equivalent values.
5764 Delete code to push/pop obstacks.
5765 (reload_cse_simplify_operands): Likewise.
5766 * rtl.def (VALUE): New rtx code.
5767 * rtl.h (union rtunion_def): New elt rt_cselib.
5768 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5769 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5770 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5771 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5772 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5773 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5774 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5775 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5776 cselib_record_set, cselib_record_sets): New static functions.
5777 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5778 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5779 references_value_p): New functions.
5780 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5781 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5782 n_useless_values, reg_values, callmem, cselib_obstack,
5783 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5784 New static variables.
5785 * varray.h (union varray_data_tag): New elt te.
5786 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5787 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5790 2000-03-14 Nick Clifton <nickc@cygnus.com>
5792 * gcc.c (do_spec_1): Catch the case where %* is used in a
5793 substitution pattern, but it has not been initialised.
5794 Issue a meaningful error message if an unrecognised operator
5795 is encountered in a spec string.
5797 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5799 * function.c (prepare_function_start): Correctly initialize
5800 cfun->stack_alignment_needed.
5802 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5804 * cppfiles.c (find_include_file): Don't assume nshort is a
5807 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5809 * configure.in (hppa configurations): Add pa32-regs.h to the
5810 list of tm files as appropriate.
5811 * configure: Rebuilt.
5812 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5814 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5815 (fmpyaddoperands, fmpysuboperands): Likewise.
5816 * pa.h: Remove various definitions which depend on knowing
5817 how registers are numbered.
5818 * pa32-regs.h: New file with PA32 register numbering specific
5821 2000-03-14 Richard Henderson <rth@cygnus.com>
5823 * regmove.c (combine_stack_adjustments): New.
5824 (stack_memref_p, single_set_for_csa): New.
5825 (free_csa_memlist, record_one_stack_memref): New.
5826 (try_apply_stack_adjustment): New.
5827 (combine_stack_adjustments_for_block): New.
5828 * rtl.h (combine_stack_adjustments): Declare.
5829 * toplev.c (rest_of_compilation): Call it.
5831 * i386.md: Revert 2000-01-16 change.
5833 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5835 * gccbug.in: Add web category, gcc specific classes.
5837 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5839 * stor-layout.c (finalize_record_size): Fix typo.
5841 2000-03-14 Stan Shebs <shebs@apple.com>
5843 * c-typeck.c (c_alignof): Error on incomplete types.
5844 * extend.texi (Alignment): Document this.
5846 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5848 * cppfiles.c: Include mkdeps.h.
5849 (find_include_file, read_include_file): Remove _cpp_ prefix
5850 from name, make static.
5851 (_cpp_execute_include): New function, broken out of
5854 * cpplib.c: Don't include mkdeps.h.
5855 (struct directive): Remove type field. Reorder entries. The
5856 function takes only one argument.
5857 (struct if_stack): Make type field an int.
5858 (directive_table): Rename to dtable. Generate it, the
5859 prototypes of the directive handlers, and the enum for the
5860 directive numbers, from a template macro.
5861 (do_ifndef, do_include_next, do_import): New functions.
5862 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5863 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5864 do_ident, do_assert, do_unassert, do_sccs): Take only one
5866 (do_sccs): Define always, but alter behavior based on
5868 (_cpp_handle_directive, consider_directive_while_skipping):
5869 Restructure for new directive table layout.
5871 (pass_thru_directive): Take a directive number, not a pointer
5872 to a struct directive.
5873 (parse_include): New function, broken out of do_include.
5874 (do_include, do_import, do_include_next): Use parse_include
5875 and _cpp_execute_include.
5876 (do_elif, do_else): Test for T_ELSE specifically when checking
5877 for #elif/#else after #else.
5878 (parse_ifdef): New function, broken out of do_ifdef.
5879 (validate_else): Expect a name arg without a leading #.
5880 (if_directive_name): Delete.
5881 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5882 directive handlers with only one argument.
5884 * cpphash.h: Update prototypes.
5885 (enum node_type): Remove entries for directives.
5886 * Makefile.in: Update dependencies.
5888 * cpphash.c (dump_hash_helper): Only dump nodes of type
5889 T_MACRO. Emit a newline after each definition.
5891 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5893 * gccbug.in: New file.
5894 * configure.in (all_outputs): Add gccbug.
5895 * Makefile.in (install-common): Install gccbug.
5896 (GCCBUG_INSTALL_NAME): New variable.
5897 * configure: Rebuilt.
5899 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5901 * function.c (put_var_into_stack): Use type_for_mode to calculate
5902 part_type. Use MEM_SET_IN_STRUCT_P.
5903 * expr.c (store_field): Handle CONCAT.
5904 (store_constructor): Use fields_length.
5905 * tree.c (fields_length): New fn.
5906 * tree.h: Declare it.
5908 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5910 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5911 (cpplex.o): New target.
5912 * po/POTFILES.in: Add cpplex.c.
5914 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5915 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5916 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5917 skip_block_comment, skip_line_comment, skip_comment,
5918 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5919 _cpp_parse_name, skip_string, parse_string,
5920 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5921 _cpp_get_directive_token, find_position,
5922 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5923 (maybe_macroexpand, _cpp_lex_token): New functions.
5925 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5926 parse_goto_mark): Delete.
5927 (_cpp_handle_eof): New function.
5928 (_cpp_handle_directive): Rename from handle_directive.
5929 (_cpp_output_line_command): Rename from output_line_command.
5930 (do_if, do_elif): Call _cpp_parse_expr directly.
5931 * cppfiles.c (_cpp_read_include_file): Don't call
5932 init_input_buffer here.
5933 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5934 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5935 here; pop the token_buffer and skip the rest of the line here.
5936 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5939 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5941 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5942 CPP_GOTO_MARK): New macros.
5943 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5944 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5945 _cpp_read_and_prescan, _cpp_init_input_buffer,
5946 _cpp_grow_token_buffer, _cpp_get_directive_token,
5947 _cpp_handle_directive, _cpp_handle_eof,
5948 _cpp_output_line_command): Prototype them here.
5949 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5950 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5951 quote_string, output_line_command): Remove.
5953 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5955 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5956 whether it is too large we must also verify that it isn't negative.
5958 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5960 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5961 (movsi_zero_liveg0): Remove.
5962 (movsf_insn_novis_liveg0): Remove.
5964 (negsi2_not_liveg0): Rename to negsi2.
5965 (one_cmplsi2): Remove.
5966 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5967 (one_cmplsi2_liveg0): Remove.
5968 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5969 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5970 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5971 (PREDICATE_CODES): Remove zero_operand.
5972 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5973 TARGET_BROKEN_SAVERESTORE.
5974 (zero_operand): Remove.
5975 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5976 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5978 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5979 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5980 TARGET_BROKEN_SAVERESTORE): Remove.
5981 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5983 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5985 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5988 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5990 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5992 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5993 truncating a string. Don't assume tokens are nul terminated.
5994 Problem noted by Andreas Jaeger <aj@suse.de>
5996 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5998 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5999 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6000 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6002 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6004 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6005 STRUCTURE_SIZE_BOUNDARY.
6007 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6009 * tree.h (record_layout_info_s): New structure.
6010 (record_layout_info): New type.
6011 (new_record_layout_info): New function.
6012 (layout_field): Likewise.
6013 (finish_record_layout): Likewise.
6014 * stor-layout.c (layout_record): Remove.
6015 (new_record_layout_info): New function.
6016 (layout_field): New function, broken out from layout_record.
6017 (finalize_record_size): Likewise.
6018 (compute_record_mode): Likewise.
6019 (finalize_type_size): New function, broken out from layout_type.
6020 (finish_record_layout): Likewise.
6021 (layout_type): Use them.
6023 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6025 * cpphash.c: Don't include version.h.
6026 (special_symbol) [case T_VERSION]: Look for the string in
6027 hp->value.cpval; don't use version_string.
6028 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6029 __VERSION__ to version_string.
6030 * Makefile.in (cpphash.o): Update deps.
6032 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6034 Convert cpplib to use libiberty/hashtab.c.
6036 * cpplib.h (struct cpp_reader): Make hashtab and
6037 all_include_files of type 'struct htab *'. Delete HASHSIZE
6038 and ALL_INCLUDE_HASHSIZE macros.
6040 * cpphash.h: Update prototypes.
6041 (struct hashnode): Remove next, prev, and bucket_hdr members.
6042 Make length a size_t. Add hash member.
6043 (struct ihash): Remove next member. Add hash member. Make
6044 name a flexible array member.
6046 * cppfiles.c: Include hashtab.h.
6047 (include_hash): Delete.
6048 (IHASHSIZE): New macro.
6049 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6050 (cpp_included): Do the hash lookup here.
6051 (_cpp_find_include_file): Rewrite.
6052 (cpp_read_file): Put the "fake" hash entry into the hash
6053 table. Honor the control_macro, if it turns out we've seen
6054 the file before. Don't push the buffer here.
6055 (_cpp_read_include_file): Push the buffer here.
6056 (OMODES): New macro. Use it whenever we call open(2).
6058 * cpphash.c: Include hashtab.h.
6059 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6060 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6061 _cpp_lookup_slot): New functions.
6062 (HASHSIZE): new macro.
6063 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6064 (_cpp_lookup): Use hashtab.h routines.
6066 * cppinit.c: Include hashtab.h.
6067 (cpp_reader_init): Call _cpp_init_macro_hash and
6068 _cpp_init_include_hash. Don't allocate hashtab directly.
6069 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6070 pfile->all_include_files.
6071 (initialize_builtins): Use _cpp_make_hashnode and
6072 htab_find_slot to add hash entries.
6073 (cpp_finish): Just call _cpp_dump_macro_hash.
6074 * cpplib.c: Include hashtab.h.
6075 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6076 create hash entries.
6077 (do_pragma_poison, do_assert): Likewise.
6078 (do_include): Don't push the buffer here. Don't increment
6079 system_include_depth unless _cpp_read_include_file succeeds.
6080 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6082 (do_pragma_implementation): Use alloca to create copy.
6084 * Makefile.in: Update dependencies.
6086 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6088 * cppinit.c (cl_directive_handler): More K&R fixing.
6090 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6092 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6094 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6096 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6098 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6099 Change from char[] to macros.
6101 2000-03-12 Neil Booth <NeilB@earthling.net>
6103 * cppinit.c (cpp_start_read): Update indirect function
6106 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6108 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6111 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6112 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6114 2000-03-11 Neil Booth <NeilB@earthling.net>
6116 * cppinit.c (struct pending option): Replace undef with a
6117 pointer to a directive handling routine.
6118 (struct cpp_pending): Replace separate assert_ and define_
6119 lists with one directive_ list.
6120 (new_pending_define): Rename new_pending_directive. Extra
6121 argument is the directive's handling routine.
6122 (handle_option): Update to use new_pending_directive.
6124 2000-03-11 Neil Booth <NeilB@earthling.net>
6126 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6127 remap_filename, _cpp_read_include_file, actual_directory,
6128 hack_vms_include_specification): Replace bcopy(), index() etc
6129 calls. Add casts to some allocations. Make some variables
6130 pointers to const [unsigned] char.
6131 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6132 collect_formal_parameters): Similarly.
6133 * cppinit.c (struct pending_option, append_include_chain,
6134 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6135 cpp_start_read, new_pending_define, handle_option): Similarly.
6136 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6137 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6138 do_pragma_implementation, detect_if_not_defined,
6139 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6140 do_assert, do_unassert): Similarly.
6141 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6142 function prototypes.
6143 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6145 2000-03-10 Richard Henderson <rth@cygnus.com>
6147 * builtins.c (expand_builtin_strlen): Revert last change.
6148 Use emit_insn_before if we're at the beginning of a sequence.
6150 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6152 * builtins.c (expand_builtin_strlen): Make sure that we have something
6153 at the beginning of the sequence.
6155 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6158 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6160 2000-03-10 Richard Henderson <rth@cygnus.com>
6162 * except.c (can_throw): Use INTVAL on a CONST_INT.
6163 (reachable_handlers): Likewise.
6164 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6166 2000-03-10 Andreas Jaeger <aj@suse.de>
6168 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6169 MD_STARTFILE_PREFIX since those are not needed on linux.
6170 (ASM_FILE_START): New, from mips/gnu.h.
6172 2000-03-09 Richard Henderson <rth@cygnus.com>
6173 Alex Samuel <samuel@codesourcery.com> and others
6175 * Makefile.in (ssa.o): New rule.
6177 (STAGESTUFF): Add *.ssa and *.ussa.
6178 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6179 * rtl.def (PHI): New RTL expression.
6180 * rtl.h (clear_log_links): New declaration.
6181 (convert_to_ssa): Likewise.
6182 (convert_from_ssa): Likewise.
6183 * flow.c (split_edge): If the entry node falls through to the
6184 split edge's source block, split the entry edge.
6185 (clear_log_links): New function.
6186 * toplev.c (ssa_dump): New variable.
6187 (flag_ssa): Likewise.
6188 (f_options): Add "ssa".
6189 (compile_file): Create SSA dump files.
6190 (rest_of_compilation): Go to and from SSA if enabled.
6191 (decide_d_option): Handle -de for SSA dump files.
6194 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6196 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6199 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6201 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6203 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6205 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6206 (MD_STARTFILE_PREFIX_1): New macro.
6208 2000-03-09 Robert Lipe <robertl@sco.com>
6210 * config/ia64/ia64.c: Include system.h.
6212 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6214 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6215 (init_eh_nesting_info): Likewise.
6217 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6218 (TREE_NOTHROW): Rename from TREE_RAISES.
6219 * toplev.c (rest_of_compilation): Set it.
6220 * print-tree.c (print_node): Adjust.
6221 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6222 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6223 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6224 REG_EH_REGION note as appropriate.
6225 (libfunc_nothrow): New fn.
6226 (emit_library_call, emit_library_call_value): Use it.
6227 (expand_call): Check TREE_NOTHROW.
6229 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6230 DECL_ASSEMBLER_NAME.
6232 2000-03-09 Andreas Jaeger <aj@suse.de>
6234 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6235 (TARGET_MEM_FUNCTIONS): Define.
6237 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6239 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6241 * except.c (can_throw): See through a SEQUENCE.
6242 (nothrow_function_p): New fn.
6243 * except.h: Declare it.
6244 * function.c (current_function_nothrow): New var.
6245 (prepare_function_start): Initialize it.
6246 * output.h: Declare it.
6247 * toplev.c (rest_of_compilation): Set it.
6248 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6250 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6252 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6253 match. (cpp_compare_defs): Count the nul separator when
6254 advancing over argument names.
6256 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6258 * recog.c (preprocess_constraints): Matching constraints affect
6259 same alternative/different operand, not same operand/different
6262 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6263 register and a constant specially.
6265 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6267 * libgcc2.h: New file.
6268 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6270 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6272 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6273 * configure: Regenerate.
6276 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6278 * Makefile.in (LIBCPP_DEPS): New macro.
6279 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6281 * cpperror.c: Include cpphash.h.
6282 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6284 (lex): Don't use CPP_WARN_UNDEF.
6285 (_cpp_parse_expr): Return an int, the truth value.
6286 * cppfiles.c: Include cpphash.h.
6287 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6288 * cppinit.c (include_defaults_array): Disentangle.
6289 (cpp_cleanup): Don't free the if stack here.
6290 (cpp_finish): Pop off all buffers, not just one.
6291 * cpplib.c (eval_if_expr): Return int.
6292 (do_xifdef): Rename do_ifdef.
6293 (handle_directive): Don't use CPP_PREPROCESSED.
6294 (cpp_get_token): Don't use CPP_C89.
6295 * fix-header.c: Don't use CPP_OPTIONS.
6297 * cpplib.h: Move U_CHAR, enum node_type, struct
6298 file_name_list, struct ihash, is_idchar, is_idstart,
6299 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6300 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6301 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6302 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6303 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6304 of _cpp_simplify_pathname, _cpp_find_include_file,
6305 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6306 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6308 Change all uses of U_CHAR to be unsigned char instead.
6309 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6311 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6313 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6314 (dwarf2out_begin_prologue): Set it.
6315 (output_call_frame_info): Don't emit EH unwind info for leaves.
6317 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6318 can occur outside of an EH region.
6319 * except.c: Correct comments about rethrow behavior.
6320 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6322 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6324 * flow.c (make_edges): Always call make_eh_edge for calls.
6326 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6328 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6329 (struct cpp_buffer): Remove fname and underflow fields.
6330 (struct cpp_reader): Remove get_token field.
6331 (struct include_hash): Rename to struct ihash. Add typedef to
6333 (struct if_stack): Remove fname field.
6334 (IF_STACK_FRAME): Rename to IF_STACK.
6336 * cpperror.c (print_containing_files): Trust that there are no
6337 macro buffers below the top file buffer.
6338 * cppfiles.c: Replace all references to 'struct include_hash'
6339 with 'IHASH'. Rename initialize_input_buffer to
6340 init_input_buffer. Don't set or reference cpp_buffer->fname,
6341 use buffer->ihash->name instead.
6342 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6343 not CPP_NULL_BUFFER.
6344 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6345 IF_STACK_FRAME, IHASH not struct include_hash.
6346 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6347 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6348 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6349 references to cpp_buffer->fname (delete entirely, or use
6350 ->ihash->name instead) and IF_STACK->fname.
6351 (cpp_push_buffer): Don't set new->underflow.
6352 (do_include): Use cpp_file_buffer.
6354 * cpphash.c (collect_formal_parameters): Remove duplicate
6355 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6356 used as a macro argument name. Don't append "..." to namebuf
6357 for varargs macros. After we're done scanning, go through
6358 namebuf and make it NUL separated, not comma separated.
6359 (_cpp_compare_defs): Remove register tag from variables.
6360 Expect defn->argnames to be NUL separated.
6361 (_cpp_dump_definition): Expect defn->argnames to be NUL
6362 separated and in forward order.
6363 * cpphash.h: Update documentation of argnames field.
6365 2000-03-08 Richard Henderson <rth@cygnus.com>
6367 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6368 to fail. Don't pre-expand the source operand.
6370 * i386.md (strlensi): Initialize eoschar and align before use.
6372 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6374 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6375 CONSTRUCTOR element.
6377 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6379 * mips.c (mips_expand_prologue): If the last
6380 named argument is the vararg marker "va_list", treat it as
6381 an unnamed argument.
6383 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6385 * dbxout.c (dbxout_parms): When correcting for promoted
6386 big-endian parameters, use the mode of the DECL_RTL rather
6387 than UNITS_PER_WORD.
6389 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6391 * c-common.h (make_fname_decl): Declare.
6392 * c-common.c (make_fname_decl): Define.
6393 (declare_hidden_char_array): Remove.
6394 (declare_function_name): Use make_fname_decl.
6395 * c-decl.c (c_make_fname_decl): New function.
6396 (init_decl_processing): Set make_fname_decl.
6398 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6400 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6402 2000-03-07 Philipp Thomas <pthomas@suse.de>
6404 * po/POTFILES.in: Remove cppalloc.c from file list.
6406 2000-03-07 Steve Chamberlain <sac@pobox.com>
6408 * pj.c (pj_expand_prologue): current_function->args_info is
6409 now current_function_args_info.
6411 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6412 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6413 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6415 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6417 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6418 output as hexadecimal rather than the default octal.
6420 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6422 * cpphash.c (special_symbol): Fix thinko in previous commit.
6424 2000-03-07 Neil Booth <NeilB@earthling.net>
6426 * cppexp.c (struct operation, left_shift, right_shift,
6427 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6428 "int"s to "unsigned int"s.
6429 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6431 * cpplib.h: Update for above.
6432 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6433 returned from allocations.
6435 * cppinit.c (opt_comp, parse_options): New functions.
6436 (handle_option): Use parse_option to parse a single command
6437 line option, that possibly takes an argument.
6438 (cpp_handle_options): Sort the array of command line options on
6439 first invocation (non-ASCII hosts only).
6440 (print_help): Update.
6442 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6444 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6445 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6447 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6449 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6451 * cpperror.c (cpp_print_containing_files,
6452 cpp_print_file_and_line, v_cpp_message): Rename to
6453 print_containing_files, print_file_and_line, and v_message.
6454 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6455 to _cpp_parse_expr, parse_escape, and lex.
6456 (parse_charconst): Remove broken multibyte support.
6457 * cppfiles.c (include_hash): Make static.
6458 (cpp_included): New function.
6459 (merge_include_chains, find_include_file, finclude,
6460 simplify_pathname): Rename to _cpp_merge_include_chains,
6461 _cpp_find_include_file, _cpp_read_include_file, and
6462 _cpp_simplify_pathname.
6463 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6464 cpp_install, create_definition, macroexpand, compare_defs,
6465 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6466 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6467 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6468 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6470 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6472 * cpphash.h: Update prototypes.
6473 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6475 2000-03-07 Andrew Haley <aph@cygnus.com>
6477 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6478 PTRDIFF_TYPE should be based solely on Pmode.
6481 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6483 * rtl.h (rtunion_def): Constify member `rtstr'.
6484 (emit_line_note_after, emit_line_note, emit_line_note_force,
6485 emit_note, decode_asm_operands): Constify.
6487 * cse.c (canon_hash): Likewise.
6489 * dbxout.c (dbxout_block): Likewise.
6491 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6492 v_warning_for_asm): Likewise.
6494 * dwarfout.c (function_start_label): Likewise.
6496 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6497 emit_line_note_force): Likewise.
6499 * final.c (last_filename, asm_insn_count, final_scan_insn,
6500 output_source_line): Likewise.
6502 * function.h (struct emit_status): Likewise.
6504 * gcse.c (hash_expr_1): Likewise.
6506 * genattr.c (gen_attr, main): Likewise.
6508 * genattrtab.c (struct function_unit, current_alternative_string,
6509 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6510 attr_numeral, check_attr_test, check_attr_value,
6511 convert_set_attr_alternative, convert_set_attr,
6512 compute_alternative_mask, simplify_by_exploding, gen_attr,
6513 gen_unit): Likewise.
6515 * genflags.c (gen_insn): Likewise.
6517 * gengenrtl.c (type_from_format): Likewise.
6519 * genopinit.c (gen_insn): Likewise.
6521 * genoutput.c (n_occurrences, process_template, process_template):
6524 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6527 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6530 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6531 ggc_set_mark, ggc_get_size): Likewise.
6533 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6535 * optabs.c (init_one_libfunc): Likewise.
6537 * output.h (assemble_start_function): Likewise.
6539 * recog.c (decode_asm_operands): Likewise.
6541 * toplev.c (rest_of_compilation): Likewise.
6543 * tree.h (emit_line_note_after, emit_line_note,
6544 emit_line_note_force): Likewise.
6546 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6547 asm_emit_uninitialised, assemble_start_function,
6548 assemble_variable, const_hash, compare_constant_1,
6549 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6551 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6553 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6555 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6557 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6559 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6560 arm_dllimport_name_p): Likewise.
6562 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6565 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6567 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6569 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6570 arm_mark_dllexport, arm_mark_dllimport,
6571 arm_pe_encode_section_info): Likewise.
6573 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6574 ASM_FINISH_DECLARE_OBJECT): Likewise.
6576 * arm/thumb.c (thumb_function_prologue): Likewise.
6578 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6580 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6582 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6584 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6586 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6588 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6590 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6591 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6593 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6595 * i386/i386.c (asm_output_function_prefix): Likewise.
6597 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6599 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6601 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6603 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6604 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6605 ASM_OUTPUT_SECTION_NAME): Likewise.
6607 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6609 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6611 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6613 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6615 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6617 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6619 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6621 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6623 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6625 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6627 * mips/mips.md (movdi, movsi): Likewise.
6629 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6631 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6633 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6635 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6636 ASM_OUTPUT_ASCII): Likewise.
6638 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6639 output_mi_thunk, output_toc): Likewise.
6641 * rs6000/rs6000.md (movsi): Likewise.
6643 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6645 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6647 * v850/v850.c (print_operand, print_operand_address,
6648 v850_encode_data_area): Likewise.
6650 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6652 * config/mips/mips.md (zero_extendsidi2): Always force operand
6653 one to memory for mips16.
6655 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6657 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6658 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6659 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6660 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6661 (min_precision): Result is unsigned.
6662 (add_double, neg_double, mul_double): Low word is unsigned.
6663 (lshift_double, rshift_double, lrotate_double): Likewise.
6664 (rrotate_double, div_and_round_double): Likewise.
6665 (tree_floor_log2, compare_tree_int): New functions.
6666 (preserve_rtl_expr_temps): New declaration.
6667 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6668 (decl_attributes): Use tree_log2 to find alignment.
6669 Check for TREE_INT_CST_HIGH for format args.
6670 (min_precision): Now unsigned.
6671 Use tree_floor_log2.
6672 (truthvalue_conversion): Delete long-disabled code.
6673 * c-decl.c (finish_struct): Clean up tests on field width.
6674 (finish_function): Use compare_tree_int.
6675 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6676 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6677 (default_conversion, digest_init): Use compare_tree_int.
6678 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6679 Fix type errors in forming masks.
6680 * calls.c (initialize_argument_information): Use compare_tree_int.
6681 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6682 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6683 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6684 (store_field): Use compare_tree_int.
6685 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6686 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6687 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6688 (do_store_flag): Use compare_tree_int.
6689 * fold-const.c (encode, decode): Low part is always unsigned.
6690 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6691 (lshift_double, rshift_double, lrotate_double): Likewise.
6692 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6693 (fold_convert): Use compare_tree_int.
6694 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6695 (invert_truthvalue, case INTEGER_CST): Likewise.
6696 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6697 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6698 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6699 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6701 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6702 (expand_end_case): Use compare_tree_int.
6703 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6704 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6705 (layout_decl): Likewise.
6706 (layout_record, layout_union): Make sizes unsigned.
6707 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6708 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6709 * tree.c (struct type_hash): hashcode is unsigned.
6710 (build_type_attribute_variant, type_hash_list): Likewise.
6711 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6712 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6713 (build_complex_type): Likewise.
6714 (real_value_from_int_cst): Remove unneeded casts.
6715 (integer_all_onesp): Add casts.
6716 (tree_floor_log2, compare_tree_int): New functions.
6717 (build_index_type): Use tree_int_cst_sgn.
6718 * varasm.c (assemble_variable): Use compare_tree_int.
6720 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6722 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6724 * varasm.c (make_decl_rtl): Don't add a number to members of
6726 (make_function_rtl): Likewise.
6728 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6730 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6731 patch from 2000-01-28.
6733 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6735 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6736 filled with an insn from the jump target.
6738 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6740 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6741 (c4x_external_ref): Likewise.
6742 * config/c4x/c4x.c (struct name_list): Likewise.
6744 1999-12-16 Ben Collins <bcollins@debian.org>
6746 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6747 argument to genmultilib.
6748 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6749 the contents into the multilib.h header.
6750 * gcc.c: Declare multilib_exclusions for the specs file.
6751 (set_multilib_dir): Use it.
6752 (print_multilib_info): Likewise.
6753 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6754 to pass to genmultilib.
6756 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6758 * builtins.c (built_in_class_names, built_in_names): Constify a
6761 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6763 (_mcleanup): Ensure value matches format specifier in sprintf.
6765 * cpphash.c (special_symbol): Don't needlessly cast away
6768 * cppinit.c (base_name): Delete unused prototype.
6770 * mkdeps.c (deps_init): Make definition K&R safe.
6772 * tree.h (built_in_class_names, built_in_names): Constify a
6775 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6777 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6778 floating point instructions for epilogue delay.
6780 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6781 to gas if it supports .register pseudo.
6783 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6784 LONG_DOUBLE_TYPE_SIZE if not defined.
6785 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6786 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6788 * gengenrtl.c: Likewise.
6789 * print-rtl.c: Likewise.
6791 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6792 MASK_LONG_DOUBLE_128.
6793 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6794 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6795 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6796 (SUBTARGET_SWITCHES): Define.
6797 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6798 with -mlong-double-128.
6799 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6800 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6801 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6802 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6803 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6804 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6805 with -mlong-double-128.
6806 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6807 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6808 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6809 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6810 TARGET_LONG_DOUBLE_128): Define.
6811 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6812 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6813 long double on TARGET_ARCH64.
6815 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6817 * function.c (free_temps_for_rtl_expr): Don't free slots
6818 that have been pushed into a higher level.
6821 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6823 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6825 * basic-block.h (ALLOCA_REG_SET): Remove.
6826 (INITIALIZE_REG_SET): New macro.
6827 * flow.c (update_life_info): Use it.
6828 (calculate_global_regs_live): Likewise.
6829 (propagate_block): Likewise.
6830 * global.c (build_insn_chain): Likewise.
6831 * haifa-sched.c (schedule_region): Likewise.
6833 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6835 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6836 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6837 (DWARF_ARANGES_PAD_SIZE): New define.
6838 (output_aranges): Use it to pad the address range header.
6839 (DWARF_ROUND): Fix for non power of 2 rounding.
6841 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6843 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6845 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6847 * tree.def (RTL_EXPR): Update documentation.
6848 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6849 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6850 * function.c (preserve_rtl_expr_temp): New function.
6851 (preserve_rtl_expr_temps): Likewise.
6852 (preserve_rtl_expr_result): Use it.
6855 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6857 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6859 * regmove.c (copy_src_to_dest) Do not create src->dest move
6860 for unchanging destination.
6862 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6864 * function.h (struct sequence_stack): Remove rtl_expr.
6865 (struct emit_staus): Likewise.
6866 (seq_rtl_expr): Remove.
6867 * tree.h (free_temps_for_rtl_expr): Don't declare.
6868 (start_sequence_for_rtl_expr): Likewise.
6869 * rtl.h (preserve_rtl_expr_result): Likewise.
6870 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6871 (start_sequence_for_rtl_expr): Remove.
6872 (push_topmost_sequence): Don't save sequence_rtl_expr.
6873 (pop_topmost_sequence): Remove comment about not restoring it.
6874 (end_sequence): Don't set seq_rtl_expr.
6875 (init_emit): Don't initialize it.
6876 (mark_sequence_stack): Don't mark it.
6877 (mark_emit_status): Likewise.
6878 * except.c (protect_with_terminate): Use
6879 start_sequence_for_rtl_expr, not start_sequence.
6880 * expr.c (expand_expr, case RTL_EXPR): Don't call
6881 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6882 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6883 (preserve_rtl_expr_result): Remove.
6884 (free_temps_for_rtl_expr): Likewise.
6885 (pop_temp_slots): Likewise.
6886 (mark_temp_slot): Don't mark the rtl_expr.
6887 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6888 start_sequence_for_rtl_expr.
6890 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6892 * mkdeps.c, mkdeps.h: New files.
6893 * po/POTFILES.in: Add them.
6894 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6895 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6896 (mkdeps.o): New target.
6898 * cppfiles.c: Delete deps_output.
6899 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6900 OBJECT_SUFFIX, and base_name.
6901 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6903 (initialize_dependency_output): Use deps_init,
6904 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6905 all the unnecessary string bashing.
6906 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6908 * cpplib.c (do_include): Use deps_add_dep.
6909 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6910 deps_allocated_size, deps_size, deps_column members with
6911 single pointer to a struct deps. Delete prototype of
6914 * cppinit.c: Fix thinko in previous patch.
6916 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6918 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6919 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6920 (mode_for_size_tree): New function.
6921 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6922 * tree.h (mode_for_size_tree): New declaration.
6924 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6926 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6928 * stmt.c (is_body_block): Move...
6929 * dwarfout.c, dwarf2out.c: ...from here.
6930 * tree.h: Declare it.
6931 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6932 * final.c (final_start_function): Do call remove_unnecessary_notes
6935 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6937 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6939 * cpplib.h (_dollar_ok): New macro.
6940 (is_idchar, is_idstart): Use it.
6941 (IStable): Rename to _cpp_IStable. Declare it const if
6942 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6943 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6944 is_space): Update for renamed IStable.
6946 * cppinit.c: Delete all references to FAKE_CONST and CAT
6947 macros. Define init_IStable as empty macro if gcc >=2.7 or
6948 C99. Change TABLE() to ISTABLE and hardcode name of table.
6949 (cpp_start_read): Don't change the IStable based on
6952 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6953 changed. Handle '$' for char1 correctly.
6954 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6956 * cppexp.c (tokentab2): Make const.
6957 (cpp_lex): Make toktab const.
6958 * cppinit.c (include_defaults_array): Make const.
6959 (initialize_standard_includes): Make default_include const.
6961 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6963 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6964 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6965 (gen_decl_die): Likewise.
6966 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6967 (output_decl): Likewise.
6969 * varasm.c (make_function_rtl): If we change the name used in the
6970 rtl, update DECL_ASSEMBLER_NAME accordingly.
6971 (make_decl_rtl): Likewise.
6973 * toplev.c (rest_of_compilation): Tweak formatting.
6975 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6976 remove_unnecessary_notes.
6977 (debug_ignore_block): New fn.
6978 * toplev.h: Declare it.
6979 * emit-rtl.c (remove_unncessary_notes): Call it.
6980 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6981 * dwarf2out.h: Declare it.
6982 * final.c (final_start_function): Don't call remove_unnecessary_notes
6983 if we did insn scheduling.
6985 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6987 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6988 * cpplib.h: Delete SET_CPP_PEDANTIC.
6990 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6992 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6993 result is a RECORD_TYPE.
6995 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6997 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6999 2000-03-03 Richard Henderson <rth@cygnus.com>
7001 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7002 addition over compliments over shifts.
7004 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7006 * reload1.c (reload_combine_note_use): Handle return register USEs.
7007 REG case: Handle multi-hard-register hard regs.
7009 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7011 * md.texi: Document use of '*' in insn pattern name.
7013 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7015 * calls.c (special_function_p): operator new may not be malloc-like.
7017 * gcse.c (dump_hash_table): Really fix error in last change.
7019 2000-03-02 Denis Chertykov <denisc@overta.ru>
7021 * avr.c (print_operand): Use print_operand_address instead of
7023 * avr/libgcc.S: Cleanup code.
7025 2000-03-02 Richard Henderson <rth@cygnus.com>
7027 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7029 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7031 * tree.h (TYPE_ALIGN_UNIT): New macro.
7033 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7035 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7037 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7039 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7041 (SET_CPP_PEDANTIC): New macro.
7042 * cpplib.c (do_include): Don't bother checking system_header_p.
7043 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7044 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7046 * function.h (struct expr_status): Add x_arg_space_so_far.
7047 (arg_space_so_far): New macro.
7048 * expr.c (init_expr): Initialize it.
7049 * calls.c (emit_call_1): Reset it.
7050 (compute_argument_block_size, expand_call): Use it.
7051 (expand_call, store_one_arg): Increment it.
7053 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7055 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7058 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7060 * cppfiles.c (cpp_read_file): New function.
7062 * cpphash.c (collect_expansion): Make sure to reset last_token
7063 to NORM when we hit a string. Handle trailing whitespace
7064 properly when the expansion is empty.
7065 (create_definition): Disable line commands while parsing the
7067 (dump_definition): If pfile->lineno == 0, output a line
7068 command ahead of the dump, and add a trailing newline.
7070 * cppinit.c (append_include_chain): Add fifth argument, which
7071 indicates whether or not system headers are C++ aware.
7072 (initialize_standard_includes): New function,
7073 broken out of read_and_prescan. Pass 'cxx_aware' value from
7074 the include_defaults_array on to append_include_chain.
7075 (dump_special_to_buffer): Const-ify char array.
7076 (builtin_array): Don't dump __BASE_FILE__.
7077 (cpp_start_read): Use cpp_read_file. Reorder code for
7078 clarity. Don't output line commands here for -D/-A/-U
7079 switches. Don't call deps_output for files included with
7080 -include or -imacros.
7082 * cpplib.c (do_define): Don't pay any attention to the second
7084 (cpp_expand_to_buffer): Disable line commands while scanning.
7085 (output_line_command): Work in the file buffer.
7086 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7087 Fix formatting of comments. Prototype cpp_read_file.
7089 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7091 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7092 reference the language-equivalent of sizetype.
7093 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7094 * fold-const.c (size_binop, size_diffop): Put back checks.
7095 * gcse.c (dump_hash_table): Fix minor error in last change.
7096 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7097 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7100 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7102 * calls.c (expand_call) Do not attempt to combine stack adjustments
7103 with inhibit_defer_pop set.
7105 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7107 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7108 the DECL_SIZE for a FIELD_DECL.
7110 2000-03-01 Bruce Korb <bkorb@gnu.org>
7112 * fixinc/inclhack.tpl: remove unused symlinks
7113 * fixinc/README: GCC Maintainer info
7114 * fixinc/inclhack.sh: regen
7115 * fixinc/fixincl.sh: regen
7117 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7119 * cpphash.c (collect_expansion): Trim trailing white space
7120 from macro definitions, but don't go past the last insertion
7123 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7125 * i386.md (mulqi3): New pattern.
7127 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7129 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7131 (struct cpp_reader): Add parsing_if_directive and
7132 parsing_define_directive flags.
7133 (struct cpp_options): Remove output_conditionals flag.
7134 (check_macro_name): Delete prototype.
7136 * cpphash.h (struct macrodef): Delete.
7137 (struct reflist): Separate from struct definition.
7138 (struct definition): Remove unused fields. Add column number.
7139 (create_definition): Returns a DEFINITION *. Takes a
7140 cpp_reader * and an int.
7142 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7143 (PEEKC): Copy defn from cpplib.c.
7144 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7146 (struct arglist): Simplify.
7147 (collect_expansion): Rewrite. Get tokens by calling
7148 cpp_get_token. Add more error checking.
7149 (collect_formal_parameters): New function, broken out of
7150 create_definition and reworked to use get_directive_token.
7151 (create_definition): All real work is now in collect_expansion
7152 and collect_formal_parameters. do_define handles finding the
7153 macro name. Return a DEFINITION, not a MACRODEF.
7154 (macroexpand): Replace bcopy with memcpy throughout. Replace
7155 character-at-a-time copy loop with memcpy and pointer increments.
7156 (compare-defs): d1->argnames / d2->argnames might be null.
7158 * cpplib.c (copy_rest_of_line): Delete function.
7159 (skip_rest_of_line): Do all the work ourselves.
7160 (skip_string): New function.
7161 (parse_string): Use skip_string.
7162 (get_macro_name): New function.
7163 (check_macro_name): Delete.
7164 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7165 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7166 (handle_directive): ICE if we're called on a macro buffer.
7167 (do_define): Determine macro name and type (funlike/objlike)
7168 here. Expunge all uses of MACRODEF.
7169 (cpp_push_buffer): Set line_base to NULL.
7170 (do_undef, read_line_number): Don't worry about getting a POP token.
7171 (eval_if_expression): Set/reset parsing_if_directive around
7172 cpp_parse_expr. Don't clear only_seen_white.
7173 (skip_if_group): Remove output_conditionals logic. Use
7175 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7176 tokens under appropriate conditions.
7177 (cpp_unassert): Call do_unassert not do_assert. Oops.
7179 * cppexp.c (parse_defined): New function, break out of
7181 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7182 ourselves, with cpp_defined.
7183 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7185 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7186 * gcc.dg/strpaste-2.c: New.
7188 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7190 * fold-const.c (size_binop): Don't asert inputs are the same and
7191 have TYPE_IS_SIZETYPE set.
7192 (size_diffop): Likewise.
7194 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7196 * dwarfout.c (output_block): Output abstract blocks even if they
7197 don't have TREE_ASM_WRITTEN set.
7199 * calls.c (emit_library_call): Check for null REG.
7201 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7203 * c-decl.c (current_function_decl): Move to toplev.c.
7204 (init_decl_processing): Don't add current_function_decl as a ggc
7206 * dbxout.c (dbxout_symbol): Change return type to int.
7207 (dbxout_symbol_location, dbxout_syms): Likewise.
7208 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7209 any locals. Use current_function_func_begin_label if set.
7210 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7211 * dwarf2out.c (dwarf2out_begin_prologue): Set
7212 current_function_func_begin_label.
7213 * final.c (final_start_function): Reset it.
7214 * toplev.c (current_function_decl): Define it here.
7215 (current_function_func_begin_label): New variable.
7216 (main): Add both as ggc roots.
7217 * tree.h (current_function_func_begin_label): Declare.
7219 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7221 * gcse.c: Cleanups throughout: mostly white-space, but also
7222 some minor rearrangement of code.
7224 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7226 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7227 returns a PARALLEL. Use emit_group_load and use_group_regs
7229 (emit_library_call_value): Similarly.
7231 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7232 * pa/quadlib.asm: Remove.
7233 * pa/quadlib.c: New file.
7235 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7236 * configure: Rebuilt.
7238 2000-02-29 Philip Blundell <pb@futuretv.com>
7240 * config/arm/conix-elf.h: New file.
7241 * configure.in (arm*-*-conix*): New configuration.
7242 * configure: Regenerate.
7244 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7246 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7247 don't have TREE_ASM_WRITTEN set.
7249 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7251 * Eliminate DECL_FIELD_SIZE.
7252 * builtins.c (built_in_class_names, built_in_names): New variables.
7253 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7254 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7255 DECL_SIZE, not DECL_FIELD_SIZE.
7256 * print-tree.c (print_node): Remove code that prints extra blank
7257 lines in some cases.
7258 Properly handle inline and builtin function cases.
7259 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7260 * tree.h (built_in_class_named, built_in_names): New declarations.
7261 (union tree_decl): Rename internal unions to u1 and u2 and change
7262 some of their components.
7263 Add new field built_in_class.
7264 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7265 Reflect above changes.
7266 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7267 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7268 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7269 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7271 2000-02-28 Dmitri Makarov <dim@windriver.com>
7273 * extend.texi: Document ARM's support for long/short calls.
7275 * invoke.texi: Document ARM's -mlong-calls command line switch.
7277 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7278 (arm_encode_call_attribute): Add prototype.
7279 (arm_set_default_type_attribute): Add prototype.
7280 (arm_strip_name_encoding): Add prototype.
7282 * config/arm/arm.c (arm_init_cumulative_args): replace
7283 initialisation og 'long_calls' field with initialisation of
7284 'call_cookie' field.
7285 (enum arm_pragma_enum): New enum.
7286 (arm_pragma_long_calls): New static variable.
7287 (arm_process_pragma): Also process "#pragma long_calls_off".
7288 (arm_valid_type_attribute_p): Accept short_call attribute.
7289 (arm_comp_type_attributes): Check long/short call attributes.
7290 (arm_encode_call_attribute): New function: Encode long_call
7291 or short_call attribute in function name.
7292 (arm_set_default_type_attributes): New function: Assign
7293 default attributes to newly defined type.
7294 (current_file_function_operand): New function: Return true if
7295 the symbol is a function which has already been compiled.
7296 (arm_is_longcall_p): New function: Return true if the
7297 indicated function should be called via a long call.
7298 (arm_get_strip_length): New function. Returns number of
7299 prefix characters to be stripped from a function's name.
7300 (arm_strip_name_encoding): New function. Strip prefix characters
7301 from a function's name.
7303 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7305 (SHORT_CALL_FAG_CHAR): Define.
7306 (LONG_CALL_FAG_CHAR): Define.
7307 (ENCODED_SHORT_CALL_ATTR_P): Define.
7308 (ENCODED_LONG_CALL_ATTR_P): Define.
7309 (ARM_NAME_ENCODING_LENGTHS): Define.
7310 (STRIP_NAME_ENCODING): Define.
7311 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7312 (ARM_ENCODE_CALL_TYPE): Define.
7313 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7314 (ARM_DECLARE_FUNCTION_SIZE): Define.
7315 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7317 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7318 if a long call is needed.
7319 (call_value): Ditto.
7320 (call_symbol): Ditto.
7322 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7323 ARM_DECLARE_FUNCTION_SIZE.
7325 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7326 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7327 (ARM_STRIP_NAME_ENCODING): Undefine.
7328 (STRIP_NAME_ENCODING): Undefine.
7329 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7330 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7331 (ASM_OUTPUT_COMMON): Ditto.
7332 (ASM_DECLARE_OBJECT_NAME): Ditto.
7334 * config/arm/pe.c (arm_dllexport_name_p): Check for
7336 (arm_dllimport_name_p): Ditto.
7337 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7338 (arm_mark_dllimport): Ditto.
7340 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7342 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7344 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7346 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7348 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7350 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7351 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7352 NO_BUILTIN_WCHAR_TYPE is not defined.
7353 (CPP_WCHAR_TYPE): Delete.
7354 * cccp.c (main): Don't change wchar_type if cplusplus.
7355 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7357 2000-02-28 Nick Clifton <nickc@cygnus.com>
7359 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7361 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7363 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7364 (ASM_WEAKEN_LABEL): Define.
7366 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7368 * expr.c (store_constructor): Do not emit USE.
7369 * rtl.h (stupid_life_analysis): Remove.
7371 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7373 * function.c (number_blocks): Reset next_block_index based on
7374 what debugging format is used, not what is defined.
7376 * lcm.c: Minor reformatting throughout.
7377 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7379 * toplev.c (rest_of_compilation): Account for time in
7380 optimize_mode_switching.
7382 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7383 if only marking labels.
7385 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7387 * calls.c (expand_call): Attempt to combine stack adjustments with
7388 pending stack adjustments.
7390 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7392 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7393 to the end of the function.
7395 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7397 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7399 * final.c (next_block_index): Remove.
7400 (max_block_depth): Likewise.
7401 (pending_blocks): Likewise.
7402 (init_final): Don't initialize them.
7403 (final_start_function): Don't set next_block_index. Set up
7405 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7406 * function.h (number_blocks): New function.
7407 * function.c (get_block_vector): New function.
7408 (identify_blocks): Use it.
7409 (reorder_blocks): Set NOTE_BLOCK.
7410 (number_blocks): New function.
7411 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7412 * tree.h (BLOCK_NUMBER): New macro.
7413 (tree_block): Add block_num field.
7414 * dbxout.c (next_block_number): Remove.
7415 (dbxout_init): Don't set it.
7416 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7417 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7419 * toplev.c (rest_of_compilation): Always call
7420 find_loop_tree_blocks. Fix indentation.
7421 * dwarf2out.c (next_block_number): Remove.
7422 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7423 to determine block numbers.
7424 (gen_inlined_subroutine_die): Likewise.
7425 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7426 (decls_for_scope): Don't increment next_block_number.
7427 * dwarfout.c (next_block_number): Remove.
7428 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7429 to determine block numbers.
7430 (output_inlined_subroutine_die): Likewise.
7431 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7432 (output_decls_for_scope): Don't increment next_block_number.
7433 * sdbout.c (next_block_number): Remove.
7434 (sdbout_block): Use BLOCK_NUMBER.
7435 (sdbout_begin_block): Simplify.
7436 * xcoffout.c (next_block_number): Remove.
7437 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7438 (xcoffout_begin_block): Don't set next_block_number.
7439 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7442 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7444 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7445 (expand_builtin_strcpy): Pass correct type to size_binop.
7446 (expand_builtin_strcmp): Likewise.
7447 Clean up conditional structure.
7448 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7449 (complete_array_type): Don't use size_binop for MAXINDEX.
7450 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7451 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7452 (c_alignof): Use size_one_node.
7453 (build_unary_op): Pass arg of proper type to size_binop.
7454 (really_start_incremental_init, push_init_level): Use sizetype for
7455 constructor{,_bit,_unfilled}_index.
7456 (pop_init_label, output_init_element): Likewise.
7457 (output_pending_init_elements, process_init_element): Likewise.
7458 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7459 * expr.c (store_expr): Use size_int.
7460 (store_constructor): Use proper types for size_binop args.
7461 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7462 (expand_expr_unaligned): Likewise.
7463 (string_contant): Return object of sizetype.
7464 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7465 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7466 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7467 * fold-const.c (int_const_binop): Refine when size_int is called.
7468 (fold_convert): Likewise.
7469 (size_int_wide): Rework to take KIND as arg, only take low order
7470 bits, handle new sizetype_tab datatype, and chain entries in
7472 (size_int_type_wide): New function.
7473 (size_binop): Validate types of arguments.
7474 (ssize_binop): Deleted.
7475 (size_diffop): New function.
7476 (extract_muldiv): Only fold division into multiplication for sizetypes.
7477 * function.c (assign_parms): Use size_diffop and make sure
7478 VAR field is of ssizetype; also pass proper type to size_binop.
7479 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7480 (round_down): Deleted from here.
7481 * store-layout.c (sizetype_tab): Now an array.
7482 (sizetype_set, early_root_list): New variables.
7483 (variable_size): Use size_one_node.
7484 (round_up): Pass proper type to size_binop.
7485 (round_down): Moved to here and corrected as above.
7486 (layout_record): Pass proper arg types to size_binop.
7487 (layout_type): Likewise.
7488 If sizetype_set is zero, record the type just laid out.
7489 (make_unsigned_type): Don't call set_sizetype;
7490 (make_signed_type): Likewise; also, call fixup_signed_type.
7491 (initialize_sizetypes): New function.
7492 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7493 set name of bitsizetype to "bit_size_type".
7494 Fix up type of sizes of all types made before call.
7495 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7496 * tree.c (fix_sizetype): Deleted.
7497 (build_common_tree_nodes): Call initialize_sizetypes.
7498 (build_common_tree_nodes_2): Don't call fix_sizetype.
7499 * tree.h (TYPE_IS_SIZETYPE): New macro.
7500 (initialize_sizetype): New declaration.
7501 (enum size_type_kind): New type.
7502 (struct sizetype_tab): Deleted.
7503 (sizetype_tab): Now array; adjust sizetype macros.
7504 (size_diffop, size_int_type_wide): New functions.
7505 (size_int_wide): Change number of args and type; access macros changed.
7506 (ssize_int, sbitsize_int): New macros.
7507 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7508 (ROUND_TYPE_SIZE_UNIT): New macro.
7510 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7512 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7514 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7516 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7517 Mark as possibly unused.
7519 * cse.c (cse_insn): Delete dead code involving tablejump.
7520 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7522 * Makefile.in (libcpp.a): Start by deleting it.
7524 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7526 * cpplib.h (enum file_change_code): Added rename_file.
7527 * cpplib.c (do_line): If a filename is given, set file_change to
7529 (output_line_command): If file_change is rename_file, always
7530 output a # directive with the file name.
7532 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7534 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7536 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7537 when copying a PARM_DECL or RESULT_DECL.
7539 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * fix-header.c (recognized_function): Also fix prototypes for
7542 functions taking "void".
7544 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7546 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7547 looking at reg_reloaded_contents.
7549 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7551 * Makefile.in (STMP_FIXINC): New toggle.
7552 (LIBGCC2_DEPS): Delete all references.
7553 (stmp-headers): Delete target. All references either deleted
7554 or changed to stmp-int-headers.
7555 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7556 (LIBCPP_OBJS): Take out cppalloc.o.
7557 (cppalloc.o): Delete target.
7558 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7559 (gen-protos, fix-header): Link with libiberty.a.
7560 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7563 * configure.in: Remove refs to strerror.
7564 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7565 * system.h: Take out strerror stanza.
7567 * cpperror.c (my_strerror): Delete function.
7568 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7569 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7570 * cppalloc.c: Delete file.
7571 * gen-protos.c: Don't provide xrealloc.
7573 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7574 xstrerror throughout.
7576 2000-02-26 Bruce Korb <bkorb@gnu.org>
7578 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7579 match for DOS headers, too.
7580 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7582 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7584 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7585 is right for most ELF targets.
7586 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7587 Let the default file use %U properly.
7588 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7591 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7594 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7596 * toplev.c (documented_lang_options): Correct spelling error.
7597 (decode_d_option, decode_f_option, main): Likewise.
7599 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7601 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7602 to tell assembler it is permitted to expand large constants.
7604 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7606 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7607 (aux_info_suffix): Use.
7608 (SAVE_SUFFIX): New macro.
7610 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7611 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7612 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7614 * invoke.texi (Running Protoize): Update documentation.
7616 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7618 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7620 2000-02-25 John Wehle (john@feith.com)
7622 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7624 2000-02-25 Anthony Green <green@cygnus.com>
7626 * toplev.c (rest_of_compilation): Rebuild jump labels if
7627 combine_instructions has created a new direct jump.
7628 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7630 (combine_instructions): Call try_combine with new argument.
7631 Return non-null value when new direct jump instruction is created.
7632 * rtl.h: combine_instructions returns an int.
7634 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7636 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7637 jump when changing a computed jump into a jump to a known
7640 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7642 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7643 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7645 * i386.md (define_expand "clrstrsi"): Fix typo.
7647 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7649 * rtl.texi: Fix typo.
7651 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7653 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7654 UNITS_PER_WORD. Change caller initial_elimination_offset.
7655 (rounded_frame_size): Take into account that argument pushed has
7656 changed. Fix TARGET_ALIGN_DOUBLE problem.
7658 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7660 * haifa-sched.c (schedule_block): Explain the real reason
7661 we delete REG_SAVE_NOTEs on the first insn of a block.
7662 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7664 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7666 * input.h (push_srcloc): New function.
7667 (pop_srcloc): Likewise.
7668 * toplev.c (push_srcloc): Define it.
7669 (pop_srcloc): Likewise.
7671 2000-02-24 Richard Henderson <rth@cygnus.com>
7673 * flow.c (life_analysis): When collecting reg info, clear
7676 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7678 Fix bug exposed by reload.c no longer rounding the frame
7679 size to BIGGEST_ALIGNMENT:
7680 * sh.c (rounded_frame_size): New function.
7681 (sh_expand_prologue, sh_expand_epilogue): Use it.
7682 (initial_elimination_offset): Likewise.
7684 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7686 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7687 * sh-protos.h (sh_need_epilogue): Declare.
7688 * sh.c (sh_need_epilogue_known): New static variable.
7689 (sh_need_epilogue): New function.
7690 (function_epilogue): Clear need_epilogue_known.
7691 * sh.md (return): Split into expander / insn pattern.
7692 Make the expander conditional on ! sh_need_epilogue ().
7694 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7696 * machmode.h (get_mode_alignment): Declare.
7697 (GET_MODE_ALIGNMENT): Call it.
7698 * stor-layout.c (get_mode_alignment): New function. Make
7699 sure alignment is always power of 2.
7701 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7703 * i386.h: Remove useless definition of "I386" and misleading
7706 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7708 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7709 under which TREE_PERMANENT will be set.
7710 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7711 build1): Use TREE_SET_PERMANENT.
7712 * print-tree.c (print_node): Don't report value of
7713 TREE_PERMANENT if ggc_p is true.
7715 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7716 decide whether to give a type a new alias set.
7717 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7718 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7719 of value of 'obstack'.
7722 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7724 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7726 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7728 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7729 * cpplib.c (cpp_get_token): Produce them.
7730 * cppexp.c (cpp_lex): Handle them.
7732 2000-02-23 Nick Clifton <nickc@cygnus.com>
7734 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7735 comment tests on type attributes.
7737 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7739 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7740 conform to documentation.
7741 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7742 to check for special cases.
7743 * sh-protos.h (sh_loop_align): Declare.
7744 * sh.c (sh_loop_align): Define.
7746 2000-02-22 Andrew Haley <aph@cygnus.com>
7748 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7749 (SIZE_TYPE): Is 32 bits when using -mgp32.
7750 (PTRDIFF_TYPE): Ditto.
7752 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7756 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7758 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7759 BIGGEST_FIELD_ALIGNMENT a constant.
7761 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7763 * dwarf2out.c (output_line_info): Put the marker for the end of
7764 the line number info at the actual end.
7765 (gen_struct_or_union_type_die): Use decl_function_context
7766 to check for local classes.
7767 * dwarfout.c (output_type): Likewise.
7769 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7771 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7772 for arguments with a mode, but no type.
7773 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7774 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7775 * pa/long_double.h: New file.
7776 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7777 both have 128bit wide long doubles.
7778 * configure: Rebuilt.
7780 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7782 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7784 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7785 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7786 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7788 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7790 * integrate.c (compare_blocks, find_block): Likewise.
7792 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7794 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7796 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7797 expand_asm_operands): Likewise.
7799 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7801 * predict.c (estimate_probability): Added the pointer heuristic to
7802 the collection of static branch predictors.
7804 2000-02-21 Catherine Moore <clm@cygnus.com>
7806 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7807 * invoke.texi (-mfix7000): Document.
7809 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7811 * diagnostic.c (init_output_buffer): Make it possible to output at
7812 least 32 characters if we're given a too long prefix.
7814 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7816 * varasm.c (initializer_constant_valid_p): Call
7817 lang_expand_constant to simplify the constant.
7819 2000-02-20 Bruce Korb <bkorb@gnu.org>
7821 * fixinc/inclhack.def(stdio_va_list):
7822 typedef needs to be disabled.
7823 * fixinc/inclhack.sh: regen
7824 * fixinc/fixincl.x: regen
7826 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7828 * print-rtl.c (print_rtx): Don't print addresses when
7829 flag_dump_unnumbered.
7831 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7833 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7835 (sparc_va_arg, sparc_flat_output_function_prologue,
7836 sparc_flat_output_function_epilogue): Cast value to unsigned in
7838 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7840 * sparc.md: Add default case in switch.
7842 2000-02-19 Richard Henderson <rth@cygnus.com>
7844 * c-typeck.c (add_pending_init): Don't abort for multiple
7845 fields at the same offset.
7846 (pending_init_member): Test the correct member.
7848 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7850 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7852 (start_catch_handler) : Same.
7854 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7856 * Makefile.in: Have flow.o depend on $(EXPR_H)
7858 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7860 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7861 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7862 (finish_decl): Remove -Wlarger-than code from here.
7863 * flags.h (id_clash_len): Now int.
7864 (larger_than_size): Now HOST_WIDE_INT.
7865 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7866 Clean up checking to see if in table.
7867 (make_bit_field_ref): Remove extra parm to bitsize_int.
7868 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7869 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7870 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7871 and for computing size of decl.
7872 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7873 Move -Wlarger-than code to here.
7874 (layout_record): Remove extra arg to bitsize_int.
7875 Set TYPE_BINFO_SIZE_UNIT.
7876 (layout_union): Remove extra arg to bitsize_int.
7877 Use proper type for size of QUAL_UNION.
7878 (layout_type): Remove extra arg to bitsize_int.
7879 * toplev.c (id_clash_len): Now int.
7880 (larger_than_size): Now HOST_WIDE_INT.
7881 (decode_W_option): Clean up id-clash and larger-than- cases.
7882 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7883 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7884 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7885 (struct tree_decl): New field size_unit.
7886 (size_int_wide): No HIGH operand; NUMBER is now signed.
7887 (size_int_2): Deleted.
7888 (size_int, bitsize_int): Don't use it and rework args.
7889 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7891 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7893 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7895 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7897 * invoke.texi (Warning Options): Add an explanation of why
7898 you might want the -Wfloat-equal flag.
7900 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7902 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7903 * cppinit.c (new_pending_define): Add cast to avoid warning.
7904 * expmed.c (extract_bit_field): Likewise.
7905 * flow.c (enum reorder_skip_type): New type.
7906 (skip_insns_between_blcok): New it.
7907 Rework to avoid warning about possibly undefined variable.
7908 * function.c (assign_parms): Make thisparm_boundary unsigned.
7909 * genrecog.c (write_switch): Cast XWINT result to int.
7910 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7911 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7912 one for MIPS and one for Alpha.
7913 (get_tag, copy_object): Add casts to avoid warnings.
7914 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7915 * reload.c (find_reloads): Make TYPE enum reload_type.
7916 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7917 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7918 * varasm.c (compare_constant_1): Add cast to avoid warning.
7919 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7921 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7922 Cast switch operand of size to int.
7923 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7924 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7927 2000-02-18 Nick Clifton <nickc@cygnus.com>
7929 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7930 anything for an alignment of zero.
7932 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7933 anything for an alignment of zero.
7935 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7937 * gcc.texi (Bug Reporting): Refer to bugs.html.
7938 (Bug Lists): Likewise.
7939 * system.h (GCCBUGURL): New preprocessor define.
7940 * rtl.c (fancy_abort): Use it.
7941 * gcc.c (main): Likewise.
7943 2000-02-18 Richard Henderson <rth@cygnus.com>
7945 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7946 (life_analysis_1): Subsume into ...
7947 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7948 Use update_life_info for the relaxation.
7949 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7950 entry and regs_live_at_setjmp.
7951 (set_noop_p): Simplify.
7952 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7953 (record_volatile_insns): Split into ...
7954 (delete_noop_moves): ... here,
7955 (notice_stack_pointer_modification): ... here,
7956 (insn_dead_p): ... and here.
7957 (propagate_block): Don't query INSN_VOLATILE.
7958 (mark_used_regs): Mind !PROP_REG_INFO.
7959 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7960 not in life_analysis.
7962 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7964 * loop.c (canonicalize_condition): New function,
7965 broken out of get_condition.
7966 (get_condition): Use it.
7967 * expr.h (canonicalize_condition): Prototype it.
7969 * tree.h (tree_int_cst_msb): Declare.
7970 * tree.c (tree_int_cst_msb): New function.
7972 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7974 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7977 * invoke.texi (-fmessage-length=n): Document.
7979 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7981 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7983 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7985 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7988 2000-02-17 Nick Clifton <nickc@cygnus.com>
7990 * config/arm/thumb.c: Replace includes of system headers with
7991 #include "system.h".
7993 2000-02-16 Richard Henderson <rth@cygnus.com>
7995 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7996 Add crtbeginS.o and crtendS.o.
7997 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7998 (ENDFILE_SPEC): Use crtendS.o.
7999 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8001 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8002 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8004 (__dso_handle): New variable.
8005 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8006 bias to __CTOR_END__.
8008 2000-02-16 Richard Henderson <rth@cygnus.com>
8010 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8012 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8014 * longlong.h (__clz_tab): Declare as static to match definition.
8016 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8017 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8018 (XREF_FILE_NAME): Define.
8020 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8021 (EH_FRAME_SECTION_ASM_OP): Define.
8022 (IDENT_ASM_OP): Define.
8023 (TEXT_SECTION_ASM_OP): Define.
8025 (CTORS_SECTION_ASM_OP): Define.
8026 (CTOR_SECTION_FUNCTION): Use it.
8027 (DTORS_SECTION_ASM_OP): Define.
8028 (DTOR_SECTION_FUNCTION): Use it.
8030 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8032 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8035 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8036 debug_bb_n): New functions.
8037 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8038 * basic-block.h: Prototype new functions.
8040 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8042 * configure.in: Add support for avr target.
8043 * configure: Rebuilt.
8045 * invoke.texi: Add AVR invocation docs.
8046 * install.texi: Add information about AVR.
8047 * md.texi: Add AVR constraint letters description.
8048 * extend.texi: Add description for AVR specific attributes.
8050 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8052 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8054 2000-02-16 Nick Clifton <nickc@cygnus.com>
8056 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8057 (make_insn_raw): Move RTL check here.
8059 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8061 * version.c: Include gansidecl.h and version.h.
8063 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8065 * configure.in (gcc_version): When setting, narrow search to
8066 lines containing `version_string'.
8068 * Makefile.in (mainversion): Likewise.
8069 (GCC_H): New variable.
8070 (gcc.h): Delete target.
8071 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8072 (version.o): Depend on version.h.
8073 (dbxout.o): Don't depend on gcc.h.
8075 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8076 Michael Meissner <meissner@cygnus.com>
8078 * md.texi (Simple Constraints): Add item about whitespace.
8079 * genoutput.c (strip_whitespace): New.
8080 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8081 strip_whitespace for constraints.
8082 Test pointer using NULL, not 0.
8084 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8086 * cpplib.c (do_line): Pedwarn for #line > 32767.
8088 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8090 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8092 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8093 to default cpp spec.
8094 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8095 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8098 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8101 2000-02-15 Denis Chertykov <denisc@overta.ru>
8103 * configure.in: Add support for avr target.
8105 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8107 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8108 (sh_addr_diff_vec_mode): Don't declare.
8109 * sh.c (sh_addr_diff_vec_mode): Delete.
8111 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8113 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8115 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8117 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8118 (smulsi3_highpart_i): Name.
8119 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8120 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8121 (smulsi3_highpart, umulsi3_highpart): Likewise.
8123 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8124 correctly independent of endianness.
8125 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8126 confuse the optimizers.
8127 (mulsidi3+1, umulsidi3+1): New define_split.
8129 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8131 * config/sh/sh.md: Guard insn splits against illegal registers.
8132 * config/sh/sh.h: Correct comment about macros.
8134 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8135 Andrew MacLeod <amacleod@cygnus.com>
8137 * Makefile.in (lcm.o): Depend on insn-attr.h.
8138 * basic-block.h (optimize_mode_switching): Declare.
8139 * lcm.c (tm_p.h, insn-attr.h): #include.
8140 (seginfo, bb_info): New structs.
8141 (antic, transp, comp, delete, insert) : New file-scope static variables.
8142 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8143 (reg_becomes_live, optimize_mode_switching): Likewise.
8144 * tm.texi: Add description of mode switching macros.
8145 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8147 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8148 (fldi_ok, fpscr_set_from_mem): New prototypes.
8149 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8150 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8151 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8152 (sh_flag_remove_dead_before_cse): Remove declaration.
8153 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8154 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8155 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8156 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8157 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8158 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8159 (fldi_ok): New function.
8160 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8161 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8162 (emit_df_insn): Likewise.
8163 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8164 (sh_flag_remove_dead_before_cse): Delete.
8165 (get_free_reg, fpscr_set_from_mem): New functions.
8166 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8167 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8169 2000-02-15 Loren Rittle <ljrittle@acm.org>
8171 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8173 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8175 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8176 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8178 * cccp.c: Include version.h and/or don't declare `version_string'.
8179 * collect2.c: Likewise.
8180 * alpha.c: Likewise.
8181 * arm/aof.h: Likewise.
8182 * arm/coff.h: Likewise.
8183 * arm/elf.h: Likewise.
8184 * arm/pe.h: Likewise.
8185 * arm/tcoff.h: Likewise.
8186 * arm/telf.h: Likewise.
8187 * arm/tpe.h: Likewise.
8188 * arm/vxarm.h: Likewise.
8189 * convex/convex.c: Likewise.
8190 * i386/dgux.c: Likewise.
8191 * i386/sun386.h: Likewise.
8192 * m88k/m88k.c: Likewise.
8193 * mcore/mcore-pe.h: Likewise.
8194 * mips/mips.h: Likewise.
8195 * romp/romp.h: Likewise.
8196 * sh/sh.c: Likewise.
8197 * cpphash.c: Likewise.
8198 * cppinit.c: Likewise.
8199 * dwarf2out.c: Likewise.
8200 * dwarfout.c: Likewise.
8203 * mips-tfile.c: Likewise.
8204 * protoize.c: Likewise.
8205 * toplev.c: Likewise.
8208 * version.c (version_string): Constify a char*.
8210 * version.h: New file.
8212 2000-02-14 Nick Clifton <nickc@cygnus.com>
8214 * configure.in: Add mcore-elf and mcore-pe targets.
8215 * configure: Regenerate.
8217 * NEWS: Add note that MCore port has been contributed.
8219 * invoke.texi: Document command line switches for MCore port.
8220 * install.texi: Add MCore to list of supported targets.
8222 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8224 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8225 then we will need to import the frame handling functions.
8226 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8227 to import the frames themselves.
8229 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8230 Jason Eckhardt <jle@cygnus.com>
8232 * basic_block.h: Added prototype for reorder_basic_blocks.
8233 * toplev.c: Changes to add -freorder-blocks and graph dump after
8234 block reordering is done.
8235 * flow.c (reorder_block_def): New structure for use during block
8237 (REORDER_BLOCK_*): New macros to access members of above structure.
8238 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8239 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8240 functions for block reordering.
8242 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8244 * gcc.texi (Passes): Fix typo.
8245 * md.texi (Standard Names): Ditto.
8246 * tm.texi (Storage Layout): Ditto.
8248 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8250 * cpplib.c (do_define): Only free the old definition if it
8253 2000-02-13 Neil Booth <NeilB@earthling.net>
8255 * cppfiles.c (read_and_prescan): When emitting deferred
8256 newlines, test speccase[] again instead of checking each
8257 possible whitespace character in turn. When we encounter \r,
8258 look behind for \n first, then ahead.
8260 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8262 * cse.c (cse_altered): New internal flag.
8263 (cse_insn): Set it if we changed an insn.
8264 (cse_main): Clear cse_altered before each basic block.
8265 Only garbage collect if cse_altered is true afterward.
8267 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8269 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8271 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8273 * combine.c (simplify_comparison): Fix typo.
8275 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8277 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8280 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8282 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8283 previously inserted node instead of root node. Caller changed.
8285 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8287 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8289 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8291 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8292 __dereg_frame_dtor): Add prototype argument.
8294 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8296 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8298 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8300 * gthr-vxworks.h (__gthread_once): Likewise.
8302 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8304 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8306 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8307 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8308 stack pointer in functions w/o saved registers, output LEAVE more often
8309 on TARGET_USE_LEAVE machines.
8311 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8313 * config/arm/arm.c (arm_init_cumulative_args); New function:
8314 Initlaise the CUMULATIE_ARGS strcuture for a function
8316 (arm_function_arg): New function: Determine where to place a
8317 function's argument. Also handles deciding the function's
8319 (current_file_function_operand): New function: Return true if
8320 the symbol is a function which has already been compiled.
8321 (arm_is_long_call_p): New function: Return true if the
8322 indicated function should be called via a long call.
8323 (arm_valid_type_attribute_p): New function: Return true if the
8324 attribute is a valid, arm specific, attribute.
8325 (arm_comp_type_attribute): New function: Return true if the
8326 two types have compatable, arm specific, attributes.
8328 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8330 (FUNCTION_ARG): Redefine to call arm_function_arg.
8331 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8333 (INIT_CUMULATIVE_ARGS): Redefine to call
8334 arm_init_cumulative_args.
8335 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8337 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8339 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8341 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8342 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8343 (COMP_TYPE_ATTRIBUTES): Define.
8345 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8346 if a long call is needed.
8347 (call_value): Call arm_is_long_call_p to decide if a long call
8349 (call_symbol): Call arm_is_long_call_p to decide if a long call
8352 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8354 2000-02-11 Denis Chertykov <denisc@overta.ru>
8356 * README.AVR: New file with information about the avr ports.
8357 * config/avr: New directory with avr port files.
8359 2000-02-11 Andreas Jaeger <aj@suse.de>
8361 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8363 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8365 * cpphash.c: Fix formatting, update commentary.
8366 (dump_definition): Take three separate arguments instead of a
8367 MACRODEF structure argument.
8368 * cpphash.h: Update prototype of dump_definition.
8369 * cppinit.c (cpp_finish): Update call of dump_definition.
8371 * cpplib.c (do_define): Always create new hash entry with
8372 T_MACRO type. Remove redundant check for redefinition of
8373 poisoned identifier. Update call of dump_definition.
8374 (do_undef): Don't call check_macro_name. Rename sym_length to
8376 (do_error, do_warning): Don't use copy_rest_of_line or
8378 (do_warning): Don't use pedwarn for the actual warning,
8379 only the notice about its not being in the standard. (Fixes
8380 bug with #warning in system headers.)
8381 (do_ident): Stricter argument checking - accept only a single
8382 string after #ident. Also, macro-expand the line.
8383 (do_xifdef): Use cpp_defined. De-obfuscate.
8385 (do_pragma): Split out specific pragma handling to separate
8386 functions. Use get_directive_token. Update commentary. Do
8387 not pass on #pragma once or #pragma poison to the front end.
8388 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8389 do_pragma_default): New.
8391 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8393 * jump.c (jump_optimize_1): The first operand in a relational
8395 * optabs.c (emit_conditional_move): Handle relationals which
8396 have a known true/false result.
8398 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8400 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8401 a RETURN insn into a block which already ends with a jump.
8403 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8405 * haifa-sched.c (BUF_LEN): Increase a lot.
8407 2000-02-11 Nick Clifton <nickc@cygnus.com>
8409 * configure.in: Add tm_p_file specification for thumb targets.
8410 * configure: Regenerate.
8412 * config/arm/thumb-protos.h: New file: Prototypes for exported
8413 functions defined in thumb.c.
8415 2000-02-11 Robert Lipe <robertl@sco.com>
8417 * Makefile.in (bootstrap-lean): Remove additional files.
8418 (bootstrap2-lean): Likewise.
8419 (VOL_FILES): List of files for above.
8421 2000-02-11 Nathan Sidwell <nathan@acm.org>
8423 * cpphash.c (special_symbol): Remove spurious argument to
8426 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8428 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8430 * configure: Rebuilt.
8432 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8434 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8436 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8438 * pa.c, pa.h: Remove trigraph sequences within comments.
8440 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8442 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8444 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8446 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8448 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8450 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8452 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8454 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8455 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8456 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8457 (ASM_FILE_END): Use c4x_file_end.
8458 * config/c4x/c4x.c (c4x_global_label): New function.
8459 (c4x_external_ref, c4x_file_end): Likewise.
8461 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8462 (c4x_external_ref, c4x_end_file): Likewise.
8464 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8466 * cppexp.c: Don't include cpphash.h.
8467 (parse_charconst, cpp_lex): Use cpp_defined.
8468 (cpp_lex): Use get_directive_token throughout. Remove
8469 unnecessary cases from switch. Move assertion-handling code
8471 (cpp_parse_expr): If we see '+' or '-', check the context to
8472 determine if they are unary or binary operators. Streamline
8473 the jumps a bit. Do not call skip_rest_of_line.
8475 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8476 static. Export get_directive_token. Update commentary.
8477 (cpp_defined): New function.
8478 (do_define): Remove reference to T_PCSTRING. Call
8479 free_definition to release memory for old definition, when
8481 (eval_if_expression): Set only_seen_white to 0 before calling
8482 cpp_parse_expr. Call skip_rest_of_line after it returns.
8483 (cpp_read_check_assertion): Don't preserve a pointer into the
8484 token buffer across a call to cpp_get_token.
8486 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8487 * cppfiles.c (redundant_include_p): Use cpp_defined.
8488 * cpphash.c (free_definition): New function.
8489 (delete_macro): Use it. Update commentary.
8490 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8492 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8493 from enum node_type. Prototype cpp_defined and get_directive_token.
8494 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8496 * fix-header.c (check_macro_names): Use cpp_defined.
8497 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8498 the options structure.
8500 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8502 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8504 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8506 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8507 rather than die->die_tag.
8509 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8511 * combine.c (make_extraction, force_to_mode): Avoid warning on
8512 mixed-signedness conditionals.
8513 (make_field_assignment, nonzero_bits): Likewise.
8514 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8515 (store_split_bit_field, extract_split_bit_field): Likewise.
8516 (extract_fixed_bit_field, store_bit_field,
8517 * expr.c: Change alignment to be unsigned everywhere.
8518 (move_by_pieces, store_constructor_field, store_constructor):
8519 Alignment parm is unsigned.
8520 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8521 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8522 (do_compare_rtx_and_jump): Likewise.
8523 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8524 Compare align with GET_MODE_ALIGNMENT.
8525 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8526 (get_inner_reference): Likewise.
8527 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8528 (expand_assignment): Local vars for alignment now unsigned.
8529 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8530 (do_compare_and_jump): Likewise.
8531 (store_field): Call new function expr_align.
8532 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8533 Alignment arg now unsigned.
8534 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8535 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8536 (extract_bit_field): Likewise.
8537 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8538 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8539 (get_best_mode): Alignment arg is unsigned.
8540 * rtl.h (move_by_pieces): Likewise.
8541 * store-layout.c (maximum_field_alignment, set_alignment):
8543 (layout_decl): Alignment arg is now unsigned.
8544 Remove unneeded casts.
8545 (layout_record, layout_union, layout_type): Remove unneeded casts.
8546 Local alignment variables now unsigned.
8547 (get_best_mode): Alignment arg now unsigned.
8548 * tree.c (expr_align): New function.
8549 * tree.h (expr_align): Likewise.
8550 (maximum_field_alignment, set_alignment): Now unsigned.
8551 (get_inner_reference): Alignment argument is now pointer to unsigned.
8552 * varasm.c (assemble_variable): Add cast to eliminate warning.
8554 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8556 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8557 then store directly into op0.
8559 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8560 the CALL_INSN, and emit the note immediately after it.
8562 2000-02-10 Nick Clifton <nickc@cygnus.com>
8564 * config/arm/thumb.md (epilogue): Include a (return) in the
8565 generated insn, and emit it using emit_jump_insn not
8568 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8570 * function.c (assign_temp): Change zero-sized arrays to size 1.
8571 * integrate.c (expand_inline_function): Do not update
8572 stack_alignment_needed
8573 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8574 add some sanity checking, remove optimization for function with
8577 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8579 * flow.c (mark_regs_live_at_end): Delete unused variables.
8581 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8583 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8584 in macro FRAME_GROWS_DOWNWARD.
8586 * stmt.c (expand_end_bindings): Delete unused variable.
8588 * unroll.c (iteration_info): Mark parameter `loop' with
8591 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8593 * fixinc/server.c (load_data): Return NULL if the marker line is
8595 (run_shell): If load_data returns NULL, retry the command once, in
8598 * configure: Rebuilt.
8600 2000-02-09 Bruce Korb <bkorb@gnu.org>
8602 * gcc/fixincludes: ** DELETED **
8603 * gcc/fixcpp: ** DELETED **
8604 * gcc/fixinc-nt.sed: ** DELETED **
8605 * gcc/just-fixinc: ** DELETED **
8606 * gcc/Makefile.in: Removed out-dated commentary
8607 * gcc/configure.in: Removed fast-fixincludes disablement.
8608 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8610 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8611 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8614 2000-02-09 Richard Henderson <rth@cygnus.com>
8616 * jump.c (delete_insn): Don't delete user labels at -O0.
8618 2000-02-09 Robert Lipe <robertl@sco.com>
8620 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8621 Don't link with HOST_LIBS.
8623 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8625 * configure.in: Correct --help text for --with-dwarf2.
8626 Put tm-dwarf2.h after other tm files, if it's requested.
8627 * configure: Regenerate.
8628 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8631 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8633 * cpplib.h: Provide HASHNODE typedef and forward decl of
8634 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8635 DEFINITION, struct hashnode, struct macrodef, struct
8636 definition, scan_decls prototype, default defn of
8637 INCLUDE_LEN_FUDGE moved elsewhere.
8639 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8640 definition, and struct hashnode moved here. Remove the unused
8641 'predefined' field from struct definition. Replace the 'args'
8642 union with its sole member. All users updated (cpphash.c).
8643 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8644 multiple include guard.
8646 * cpphash.c (hashf): Make static; use better algorithm; drop
8647 HASHSIZE parameter; return an unsigned int.
8648 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8649 used. Calculate HASHSIZE modulus here.
8650 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8652 (create_definition): Drop PREDEFINITION parameter.
8653 * cpplib.c (do_define): Don't calculate a hash value here.
8654 Don't pass (keyword == NULL) to create_definition.
8656 * scan.h: Prototype scan_decls here.
8657 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8658 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8659 callers of cpp_lookup and cpp_install updated.
8661 * cpphash.c (macarg): Hoist all the flag diddling out of the
8663 (macroexpand): ... and out of the loop that calls macarg.
8664 Skip over the initial paren before macro arguments with
8665 cpp_get_non_space_token; point may be some distance before
8666 that paren. Abort if it's not there.
8668 * cpplib.c (parse_clear_mark): Delete function.
8669 (parse_set_mark, parse_goto_mark): Make static.
8670 (ACTIVE_MARK_P): New macro.
8671 (skip_block_comment, skip_line_comment): Do not bump the line
8672 if ACTIVE_MARK_P is true.
8673 (cpp_pop_buffer): The buffer to be popped may not have an
8675 (cpp_get_token): When looking for the initial paren before
8676 macro arguments, only set a mark in a file buffer, Always
8677 return to that mark before proceeding to call macroexpand or
8678 return a NAME token.
8680 * cpplib.h: Remove prototypes of parse_set_mark,
8681 parse_clear_mark, parse_goto_mark.
8682 (struct cpp_options): Rename 'put_out_comments' to
8683 'discard_comments' and invert its sense.
8684 * cppinit.c, cpphash.c, cpplib.c: All users of
8685 put_out_comments changed to use discard_comments, with
8688 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8690 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8691 the edge from a block that both jumps and falls through to the
8694 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8696 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8697 constant source address is legitimate.
8699 2000-02-09 Philip Blundell <pb@futuretv.com>
8701 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8704 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8706 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8708 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8710 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8711 ends with a newline and a NUL. Don't be so clever manipulating
8714 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8716 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8717 not to BIGGEST_ALIGNMENT.
8719 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8721 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8722 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8723 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8724 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8725 * frame.c (execute_cfa_insn): Handle
8726 DW_CFA_GNU_negative_offset_extended.
8728 2000-02-08 Richard Henderson <rth@cygnus.com>
8730 * flow.c (tidy_fallthru_edges): Split out from ...
8731 (delete_unreachable_blocks): ... here.
8732 (find_basic_blocks): Use it.
8734 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8736 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8738 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8740 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8741 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8742 (fix-header.o): Don't depend on cpphash.h.
8744 * scan.c (hashstr): New function.
8745 * scan.h: Prototype it.
8746 * fix-header.c: Don't include cpphash.h. Use hashstr.
8747 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8748 hashstr. Report hash table statistics. Add private
8749 definition of xrealloc.
8751 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8753 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8755 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8757 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8758 jumps with returns unless they are jumps to the fallthru block.
8760 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8762 * i386.md (addqi3_cc): Fix contraints.
8764 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8766 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8768 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8770 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8771 carriage return after a macro name.
8773 2000-02-07 Fred Fish <fnf@be.com>
8775 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8776 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8778 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8780 * cppfiles.c (deps_output): Count spacers in deps_column.
8782 2000-02-07 Neil Booth <NeilB@earthling.net>
8784 * cppinit.c (initialize_dependency_output): If there is no
8785 suffix, don't try to look for known suffixes. Use strrchr.
8786 (cpp_start_read): Remove duplicate initialization.
8788 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8790 * calls.c (compute_argument_block_size): New argument
8791 preferred_stack_boundary.
8792 (expand_call): update cfun->preferred_stack_boundary, update call of
8793 compute_argument_block_size
8794 (emit_library_call): Increate cfun->preferred_stack_boundary
8795 to PREFERRED_STACK_BOUNDARY
8796 (emit_library_call_value): Likewise.
8797 * explow.c (allocate_dynamic_stack_spave): Likewise.
8798 * function.c (prepare_function_start): Set
8799 cfun->preferred_stack_boundary
8800 * function.h (struct function): Add preferred_stack_boundary field.
8801 * integrate.c (expand_inline_function): Update
8802 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8803 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8804 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8806 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8808 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8809 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8810 cpp_pedwarn, cpp_pedwarn_with_line,
8811 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8812 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8813 v_cpp_error_with_line, v_cpp_warning_with_line,
8814 cpp_message_from_errno, cpp_perror_with_name): Delete.
8816 * cpperror.c (cpp_print_containing_files): Take starting
8818 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8819 (v_cpp_message): Now called directly by all entry points.
8821 (cpp_pfatal_with_name, cpp_message): Delete.
8822 (cpp_notice_from_errno, cpp_ice): New functions.
8823 (cpp_notice): Is now for reporting error conditions, just
8824 without an associated file.
8825 (cpp_error, cpp_error_with_line): Don't do anything if
8826 opts->inhibit_errors is on.
8827 (cpp_pedwarn_with_file_and_line): Take column argument also.
8829 * cpplib.h: Update prototypes of exported functions.
8830 (struct cpp_options): Add inhibit_errors.
8832 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8833 non-error messages. Include intl.h.
8835 * cppinit.c, cppmain.c: Likewise. Also, use
8836 cpp_notice_from_errno instead of cpp_perror_with_name or
8837 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8839 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8840 report internal errors.
8842 * cpplib.c (do_define): Switch bcopy to memcpy.
8843 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8845 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8846 bail out early if we hit a line comment.
8848 2000-02-06 Richard Henderson <rth@cygnus.com>
8850 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8851 * basic-block.h: Declare them.
8852 * emit-rtl.h (active_insn_p): New.
8853 (next_active_insn, prev_active_insn): Use it.
8854 * rtl.h: Declare it.
8855 * function.c (emit_return_into_block): New.
8856 (thread_prologue_and_epilogue_insns): Insert return insns instead
8857 of epilogues when possible.
8858 * jump.c (jump_optimize_1): Remove code to insert a return insn
8859 on the fallthru to the exit block.
8861 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8862 and for non-empty stack frames.
8863 * i386.md (return): Expand to return-pop as needed.
8865 2000-02-06 Richard Henderson <rth@cygnus.com>
8867 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8868 constant to op1 for testing.
8870 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8872 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8873 (fixuns_truncqfqi2): Use it.
8875 2000-02-06 Richard Henderson <rth@cygnus.com>
8877 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8880 * i386.md (widening and peepholes): Mask the constant instead of
8883 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8885 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8886 input pointer before possibly branching off to the backslash
8888 * cpphash.c (macroexpand): Correctly delete \r escapes when
8889 stringifying parameters.
8890 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8891 if we can; bail out early if we hit a line comment.
8892 (handle_directive): Treat '# 123' in an .S file just like
8893 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8894 Return 1 for '# not_a_directive'.
8895 (get_directive_token): Pop macro buffers here, so that
8896 cpp_get_token can't sneakily move past a newline.
8898 (cpp_get_token): goto randomchar if handle_directive returns 0.
8900 * cppalloc.c: Update copyright.
8901 * cpplib.c: Merge all the static function prototypes into one
8903 * cpplib.h: Remove #if 0 block.
8905 * cpperror.c: Remove #ifdef EMACS block.
8906 * cppmain.c: Likewise.
8907 * cpphash.c: Remove #if 0 blocks.
8908 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8909 * cpplib.c: Remove #if 0 blocks and code referencing
8910 pcp_inside_if or for_lint. Remove duplicate error message.
8911 Fix error messages for #else after #else or #elif. Reformat.
8912 Remove archaic TODO list.
8913 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8915 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8917 * i386/osf1elf.h: Add missing backslash to multiline string.
8919 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8921 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8923 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8925 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8927 * c-common.c: Include expr.h.
8929 * c-pragma.c (mark_align_stack): Add prototype.
8931 * caller-save.c (add_stored_regs): Likewise.
8933 * combine.c (record_promoted_value): Likewise.
8935 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8938 * cppinit.c (new_pending_define): Likewise.
8940 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8942 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8943 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8944 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8945 class_scope_p): Likewise.
8947 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8948 dwarf2out_add_library_unit_info): Likewise.
8950 * ggc.h (ggc_page_print_statistics): Likewise.
8952 * haifa-sched.c (propagate_deps): Likewise.
8954 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8956 * rtl.h (set_stack_check_libfunc): Likewise.
8958 * toplev.h (set_fatal_function): Likewise.
8960 * toplev.c (set_fatal_function): Delete prototype.
8962 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8964 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8966 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8967 (FUNC_END): Likewise.
8969 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8971 * caller-save.c: Include tm_p.h.
8973 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8975 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8977 2000-02-04 Neil Booth <NeilB@earthling.net>
8979 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8982 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8984 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8985 * genflags.c: Use the max_operand_1 logic from genemit.c to
8986 calculate how many arguments gen_insn prototypes have. Remove
8987 NO_MD_PROTOTYPES ifdefs from the generated file.
8988 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8989 file. Cast gen_insn initializers to insn_gen_fn.
8990 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8991 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8993 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8995 * fixinc/Makefile.in (HDR): Add machname.h.
8998 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9000 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9001 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9002 (c4x_cpu_version): Ditto.
9003 * config/c4x/c4x-protos.h: ... here.
9005 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9007 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9008 gen_abstract_function on our context if we're a nested function.
9010 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9012 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9013 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9015 2000-02-04 Bruce Korb <bkorb@gnu.org>
9017 * fixinc/genfixes(machname.h):
9018 Move the functionality from gen-machine.h into this file.
9019 UNdef MN_NAME_PAT if there are no names to change.
9020 Also, be a little kinder when AutoGen is not present.
9022 * fixinc/Makefile.in(machname.h):
9023 Change the generation rule to use genfixes.
9025 * fixinc/fixfixes.c(machine_name):
9026 machine_name_fix's functionality now dependent upon whether
9027 MN_NAME_PAT is defined.
9029 * fixinc/fixtests.c(machine_name):
9032 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9035 * fixinc/fixlib.h(mn_get_regexps):
9038 * fixinc/gen-machine.h: DELETED
9040 2000-02-04 Jan Hubicka <jh@suse.cz>
9041 Richard Henderson <rth@cygnus.com>
9043 * i386.c (SAVE_REGS_FIRST): Remove.
9044 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9045 (ix86_compute_frame_size): Likewise.
9046 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9047 (ix86_emit_restore_regs): Remove.
9048 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9049 when a frame pointer is in use.
9050 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9051 instead of pop to restore a register when profitable; emit leave
9053 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9055 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9056 * i386.md (prologue_allocate_stack): Remove.
9057 (epilogue_deallocate_stack): Remove.
9058 (pro_epilogue_adjust_stack): New.
9060 2000-02-04 Richard Henderson <rth@cygnus.com>
9062 * function.c (diddle_return_value): Rework to use a callback function.
9063 Use current_function_return_rtx if it's been set up.
9064 (do_clobber_return_reg, clobber_return_register): New.
9065 (do_use_return_reg, use_return_register): New.
9066 (expand_function_end): Use them.
9067 * stmt.c (expand_null_return): Likewise.
9068 * function.h: Declare them.
9069 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9070 (mark_reg): Change arguments as appropriate for callback.
9071 * integrate.c (expand_inline_function): Revert 19 Jan change.
9073 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9075 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9076 (Misc): Say the scheduler, not the Haifa scheduler.
9078 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9080 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9081 when in_mem is set. Update all callers.
9083 2000-02-04 Richard Henderson <rth@cygnus.com>
9085 * i386/openbsd.h (INT_ASM_OP): Define.
9087 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9089 * tm.texi: Fix various typos.
9091 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9093 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9094 (MD_STARTFILE_PREFIX_1): New macro.
9096 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9098 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9099 destination when needed.
9100 (strmovsi, strsetsi): New expander.
9101 (strmovsi_1, strsetsi_1): New pattern.
9102 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9103 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9104 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9105 * invoke.texi (align-stringops, inline-all-stringops): Document.
9107 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9109 * i386/netbsd.h (INT_ASM_OP): Define.
9111 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9113 * cpplib.h (cpp_reader): Add new flag, no_directives.
9114 * cpphash.c (macarg): Set it.
9115 * cpplib.c (handle_directive): If no_directives is on and we
9116 find a directive, issue an error and discard the line.
9118 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9120 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9121 FP constants. Add ! TARGET_FPU check for FP constants.
9123 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9125 * flow.c (find_basic_blocks): Don't kill label_value_list
9127 (cleanup_cfg): Kill it here.
9129 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9131 * expr.c (store_field): Ensure ALIGN is no stricter than the
9134 2000-02-02 Richard Henderson <rth@cygnus.com>
9136 * jump.c (delete_insn): Partially revert 19 Jan change;
9137 don't convert unused code labels to notes at -O0.
9139 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9141 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9142 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9144 2000-02-01 Richard Henderson <rth@cygnus.com>
9146 * i386.c (general_no_elim_operand): New.
9147 (nonmemory_no_elim_operand): New.
9148 (ix86_expand_move): Copy eliminable operands before a push.
9149 * i386-protos.h: Declare new functions.
9150 * i386.h (CAN_ELIMINATE): Simplify.
9151 (PREDICATE_CODES): Update.
9152 * i386.md (push insns): Don't allow eliminable register operands.
9154 2000-02-01 Richard Henderson <rth@cygnus.com>
9156 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9157 replace BLKmode with DECL_RTL's mode.
9159 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9161 * frame.c (find_fde): Convert for loop to do-while so compiler
9162 sees it's always executed at least once.
9163 * libgcc2.c (BBINBUFSIZE): Kill.
9164 (__bb_init_prg): Use fgets.
9165 (__bb_exit_trace_func): Don't paste strings.
9166 * unroll.c (unroll_loop): Initialize unroll_type, not
9167 unroll_number, and tweak logic to match.
9169 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9171 (ix86_flags_dependant): Likewise. Disentangle control flow.
9172 (ix86_sched_reorder): Break guts out to
9173 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9174 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9177 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9178 use string concatenation. Don't save and restore esi.
9180 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9181 (machname.h): Remove script to separate file. Use two-step
9182 sequence so target is not created if script fails.
9183 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9184 identifiers are defined.
9185 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9186 an empty string, machine_name doesn't need to do anything at
9188 (is_cxx_header): Add more cases to regexp.
9189 * fixinc/fixlib.h: Update prototype.
9190 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9192 * fixinc/fixincl.c: Define NO_BOGOSITY.
9194 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9195 (hp_sysfile): Add missing comma.
9196 (math_exception): Put the wrapper ifdefs at the beginning and
9197 the end of the file.
9198 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9200 2000-02-01 Richard Henderson <rth@cygnus.com>
9202 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9203 Use CONST0_RTX. Update all callers.
9204 * sparc.h, sparc-protos.h: Update accordingly.
9205 * sparc.md (fp mov insns): Use fp_zero_operand directly
9208 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9210 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9213 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9215 * Makefile.in (specs.ready): New target.
9216 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9218 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9220 * fixinc.irix: Use unique filenames for writing into /tmp,
9221 * fixinc.ptx: Likewise.
9222 * fixinc.sco: Likewise.
9223 * fixinc.svr4: Likewise.
9224 * fixinc.winnt: Likewise.
9226 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9228 * tsystem.h: New file.
9230 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9231 s-crtS): Depend on tsystem.h.
9233 * crtstuff.c: Include tsystem.h.
9234 * frame.c: Likewise.
9235 * libgcc2.c: Likewise.
9237 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9239 * builtins.c (expand_builtin_memset): Expand for variable sized
9242 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9244 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9247 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9249 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9251 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9253 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9255 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9256 case 3->2 combining (combining with splitting) in which 2 is CC0
9257 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9258 checked at the begining of the function with the aid of calling
9259 function 'can_combine_p'.
9261 2000-01-31 Dave Brolley <brolley@redhat.com>
9263 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9265 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9267 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9270 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9272 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9274 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9277 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9279 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9280 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9281 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9282 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9283 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9284 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9285 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9286 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9287 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9288 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9290 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9291 Add %(cpp_cpu) to CPP_SPEC.
9293 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9294 Add %(cc1_cpu) to CC1_SPEC.
9296 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9298 * c-decl.c (c_decode_option): Accept optional numeric argument to
9299 -Wformat and set warn_format.
9300 * c-common.c: Don't emit warning about non-constant printf format
9301 string unless warn_format > 1.
9303 2000-01-30 Richard Henderson <rth@cygnus.com>
9305 * alpha.md (return_internal): Allow after reload only.
9307 2000-01-30 Richard Henderson <rth@cygnus.com>
9309 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9310 local frame size is zero.
9312 2000-01-30 Richard Henderson <rth@cygnus.com>
9314 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9315 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9316 * alpha.md (return): Turn into an expander.
9317 (return_internal): Don't use $26.
9318 (epilogue): Emit the return insn.
9320 2000-01-30 Richard Henderson <rth@cygnus.com>
9322 * alpha.md (negtf2, abstf2): Fix word order thinko.
9324 (trunctfsf2): Avoid intermediate rounding errors.
9326 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9328 * cppfiles.c (find_position): Drop 'colp' argument, return the
9330 (read_and_prescan): Adjust to match. Don't ever manipulate
9331 line or line_base except via find_position.
9333 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9335 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9336 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9339 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9341 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9342 just print "<command line>". If 'filename' is null or an
9343 empty string, print "<stdin>" for the filename.
9344 * cpplib.c (do_define): Don't print the 'location of the
9345 previous definition' message if we're still parsing the
9347 (cpp_pedwarn_with_file_and_line): Always call
9348 cpp_file_line_for_message.
9350 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9352 * flow.c (mark_regs_live_at_end): Fix typo.
9354 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9356 * c-common.c: Adjust variable names, comments, help strings to c99.
9357 * c-lex.c: Likewise.
9358 * c-parse.y: Likewise.
9359 * c-tree.h: Likewise.
9361 * cpplib.h: Likewise.
9362 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9363 * cppinit.c: Likewise.
9365 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9367 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9368 * c4x.c: Define the optab rtx values.
9369 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9370 (c4x_emit_libcall): Use new optab rtx values.
9371 (c4x_emit_libcall3): Likewise.
9372 (c4x_emit_libcall_mulhi): Likewise.
9373 * c4x-protos.h: Add prototypes for optab rtx values and change
9374 prototypes for above c4x_emit_libcall functions.
9376 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9378 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9380 (c4x_function_prologue): Use regnames intead of float_reg_names when
9382 (c4x_function_epilogue): Likewise.
9383 (c4x_print_operand): Likewise.
9384 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9385 * c4x.md (set_high): Disable for TARGET_TI.
9387 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9389 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9390 of framepointer + constant to ADDR_REGS class.
9391 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9392 * c4x.c (std_or_reg_operand): New function.
9393 * c4x-protos.h (std_or_reg_operand): Prototype it.
9395 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9397 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9398 object names as libgcc2.c.
9399 * libgcc.S: Use newly defined names.
9401 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9402 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9404 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9405 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9406 (FLOW_LOOP_LAST_BLOCK): Likewise.
9408 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9410 * basic-block.h (struct loop): New fields 'first' and 'last'.
9411 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9412 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9413 and loop->last to check for NOTE_INSN_LOOP_END.
9415 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9417 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9418 of the loop descriptor rather than HEADER and LATCH. Also added
9419 missing break statements as well making some coding style modifications
9420 as suggested by Michael Hayes.
9422 2000-01-28 Richard Henderson <rth@cygnus.com>
9424 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9425 Break out that code ...
9426 (cleanup_cfg): ... here.
9427 (commit_one_edge_insertion): Detect a return instruction being
9428 emitted to an edge. Emit a barrier following; clear fallthru.
9429 (commit_edge_insertions): Verify CFG consistency.
9430 * function.c (expand_function_start): Kill unused variable.
9431 (expand_function_end): Likewise.
9432 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9433 to insert the epilogue.
9435 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9436 (delete_null_pointer_checks): Likewise.
9437 * output.h: Likewise.
9438 * reg-stack.c (reg_to_stack): Likewise.
9439 * toplev.c (rest_of_compilation): Likewise. Run
9440 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9442 2000-01-28 Richard Henderson <rth@cygnus.com>
9444 * Makefile.in (flow.o): Revert 24 Jan change.
9445 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9446 FUNCTION_VALUE result to DECL_RESULT's mode.
9448 * haifa-sched.c (schedule_insns): Don't recompute reg info
9451 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9453 * configure.in: Make --enable-cpplib the default.
9454 * configure: Regenerate.
9455 * gcc.dg/990119-1.c: No longer expected to fail.
9457 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9459 * jump.c (jump_optimize_1): Delete an optimization that is also done
9460 by merge_blocks in flow.
9462 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9464 * diagnostic.c (build_message_string, output_printf,
9465 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9466 (build_location_prefix): Fix non-literal format string.
9468 2000-01-27 Richard Henderson <rth@cygnus.com>
9470 * alpha.md (trunctfsf2): New.
9472 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9474 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9476 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9478 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9480 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9482 (skip_comment) ... here. Permit C++ comments in system
9483 headers always. Warn about C++ comments in user code under
9484 -std=gnu89 -pedantic.
9485 (copy_comment): Use skip_comment.
9486 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9488 (consider_directive_while_skipping, do_else, do_endif): Call
9489 validate_else unconditionally.
9490 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9491 text after the conditional in a system header.
9492 * cpplib.h (struct cpp_buffer): Add flag
9493 warned_cplusplus_comments.
9495 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9497 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9498 Use unshare_all_rtl_1.
9499 (unshare_all_rtl_again): New function.
9500 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9502 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9503 rather than resetting the 'used' flags ourself.
9505 * toplev.c (rest_of_compilation): Add current_function_decl
9506 to the unshare_all_rtl call.
9507 * tree.h: Prototype unshare_all_rtl.
9508 * rtl.h: Prototype unshare_all_rtl_again here.
9510 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9512 * genoutput.c (output_prologue): Include ggc.h in generated
9514 * Makefile.in (insn-output.o): Depends on ggc.h.
9516 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9517 Hans-Peter Nilsson <hp@bitrange.com>
9519 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9520 Remove redundant include of xm-ns32k.h.
9521 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9522 Remove redundant include of xm-ns32k.h.
9523 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9524 Remove redundant include of xm-ns32k.h.
9525 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9527 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9528 (TARGET_SWITCHES): Add documentation strings.
9529 (DWARF_FRAME_REGNUM): Override default definition.
9530 (REG_CLASS_CONTENTS): Add comments.
9531 (SUBSET_P): Format to reduce line length.
9532 (SMALL_REGISTER_CLASSES): Make a run time option.
9533 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9534 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9535 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9536 (regclass_map): fix typo in comment.
9537 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9538 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9539 (trace, reg_or_mem_operand): Delete, unused function.
9540 (calc_address_cost): Small offsets are cheaper than large ones.
9541 (expand_block_move): Generate more efficient code when bytes is a
9542 known at compile time.
9543 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9544 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9545 instead of reg_or_mem_operand.
9547 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9548 not general_operand. Similarly use "=rm" or stricter, not "=g".
9549 For input operands, use stricter constraints than "g" if not
9550 general_operand. Similarly use stricter predicate than
9551 "general_operand" when stricter constraints than "g" are present,
9552 except for matching constraints.
9553 (movstrsi): Use "memory_operand" for operands 0 and 1.
9554 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9555 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9556 not reg_or_mem_operand.
9557 (udivmoddisi4): Ditto.
9558 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9559 Use nonimmediate_operand for operand 3, not register_operand.
9560 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9563 2000-01-27 Fred Fish <fnf@be.com>
9565 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9566 * gthr-single.h: Likewise.
9567 * gthr-solaris.h: Likewise.
9568 * gthr-vxworks.h: Likewise.
9569 * gthr-win32.h: Likewise.
9572 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9574 * cppinit.c: Add " (cpplib)" to end of string printed by
9577 2000-01-27 Richard Henderson <rth@cygnus.com>
9579 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9580 testing for a signed comparison.
9581 (alpha_emit_floatuns): New.
9582 * alpha-protos.h: Declare it.
9583 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9584 (extendsfdf2): Tidy.
9586 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9588 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9589 no -g option specifying debugging format, default to -gstabs+.
9591 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9593 * calls.c (special_function_p): New argument fork_or_exec.
9594 (expand_call): When profile_arc_flag is set and the function
9595 is in the fork_or_exec group, call __bb_fork_func first.
9596 * libgcc2.c, _bb module (__bb_fork_func): New function.
9597 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9599 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9600 * tree.h (special_function_p): Update prototype.
9602 2000-01-26 Richard Henderson <rth@cygnus.com>
9604 * alpha.c (alpha_split_tfmode_pair): New.
9605 * alpha-protos.h: Declare it.
9606 * alpha.md (abstf2, negtf2): New.
9607 (movtf insn): Add input G constraint.
9608 (movtf splitter): Use alpha_split_tfmode_pair.
9610 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9612 * i386/cygwin.h: PROTO -> PARAMS.
9614 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9616 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9617 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9618 using _Qp_cmp/_Q_cmp and testing the return value.
9619 (print_operand): Call reverse_condition_maybe_unordered if
9620 we are handling CCFPmode or CCFPEmode.
9621 Handle ORDERED, UN* and LTGT comparisons.
9622 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9623 if not TARGET_HARD_QUAD.
9624 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9625 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9626 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9627 Adjust gen_b* calls so that they reflect return comparison of
9628 sparc_emit_float_lib_cmp.
9630 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9632 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9633 incoming operands array is large enough for one more operand.
9634 (alpha_emit_xfloating_arith): Likewise.
9636 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9638 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9639 file with one line and no trailing newline.
9640 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9641 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9642 checking if the match is on the line.
9643 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9645 2000-01-25 Richard Henderson <rth@cygnus.com>
9647 * sparc.c (output_cbranch): Fix accidental squashing of the
9648 fp branch pre-delay nop.
9650 2000-01-25 Richard Henderson <rth@cygnus.com>
9652 * tree.def (UNNE_EXPR): Remove.
9653 * c-typeck.c (build_binary_op): Don't handle it.
9654 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9656 * rtl.def (UNNE): Remove.
9658 * jump.c (reverse_condition): Update accordingly.
9659 (swap_condition): Likewise.
9660 (comparison_dominates_p): Handle unordered comparisons.
9661 (reverse_condition_maybe_unordered): New.
9662 * rtl.h (reverse_condition_maybe_unordered): Declare.
9664 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9665 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9666 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9667 * sparc.md (bltgt): New.
9669 2000-01-25 Nick Clifton <nickc@redhat.com>
9671 * emit-rtl.c (emit_insn): Only check machine class insns for
9672 improper emission of a RETURN.
9674 2000-01-25 Richard Henderson <rth@cygnus.com>
9676 * Makefile.in (flow.o): Depend on $(EXPR_H).
9677 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9678 duplicate the structure of diddle_return_value for keeping regs live.
9680 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9682 * loop.c (current_loop_info): Delete.
9683 (consec_sets_invariant_p): Add loop argument, update callers.
9684 (get_condition_for_loop): Likewise.
9685 (count_nonfixed_reads, update_giv_derive): Likewise.
9686 (simplify_giv_expr, general_induction_var): Likewise.
9687 (consec_sets_giv, recombine_givs): Likewise.
9688 (move_movables): Delete loop_start and loop_end arguments,
9689 add loop argument, and update callers.
9690 (find_mem_givs, check_final_value): Likewise.
9691 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9692 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9694 (basic_induction_var): Add loop argument, delete loop_level argument,
9696 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9697 add loop argument, and update callers.
9698 (find_splittable_regs, find_splittable_givs): Likewise.
9699 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9700 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9701 (biv_total_increment): Delete loop_start and loop_end arguments;
9703 (precondition_loop_p): Delete loop_start and loop_info arguments;
9705 * loop.h (get_condition_for_loop): Add loop argument.
9706 (biv_total_increment): Delete loop_start and loop_end arguments.
9707 (precondition_loop_p): Delete loop_start and loop_info arguments;
9709 (final_biv_value): Delete loop_start and loop_end arguments;
9711 (final_giv_value, back_branch_in_range_p): Likewise.
9713 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9715 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9717 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9719 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9720 point to the new "generated_files" doc.
9722 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9724 * config/fp-bit.c (_unord_f2): Fix typo.
9726 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9728 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9729 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9730 functions obsoleted by GC, such as push_obstacks_nochange,
9731 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9732 and code which existed only to decide whether or not to call
9733 them. Remove now-unused NESTED argument from start_function;
9734 all callers changed. Do not change behavior based on ggc_p.
9735 The use of the ixp_obstack in c-iterate.c and the util_obstack
9736 in objc/objc-act.c remain; these are not obsoleted by garbage
9738 * c-tree.h: Update prototype for start_function.
9740 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9742 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9744 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9747 2000-01-25 Richard Henderson <rth@cygnus.com>
9749 * sparc-protos.h (select_cc_mode): Declare.
9750 * sparc.c (select_cc_mode): New. Handle unordered compares.
9751 (output_cbranch): Always reverse via code change. Handle
9752 unordered compares. Factor tests and string updates.
9753 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9754 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9755 * sparc.md (bunordered, bordered): New.
9756 (bungt, bunlt, buneq, bunge, bunle): New.
9758 2000-01-25 Richard Henderson <rth@cygnus.com>
9760 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9761 * ggc-common.c (ggc_add_rtx_varray_root): New.
9762 (ggc_mark_rtx_varray): New.
9763 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9764 functions down below ggc_mark_foo.
9765 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9767 2000-01-25 Richard Henderson <rth@cygnus.com>
9769 * alpha.c (secondary_reload_class): Don't allocate a secondary
9770 for integral mode memories into FLOAT_REGS. Rearrange the more
9771 complicated memory expression inward.
9773 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9775 * inclhack.def: Fixes to play nicer with FreeBSD, and
9776 corrections to comments.
9777 (cxx_unready): Add select expression.
9778 (irix_sockaddr): Add bypass expression.
9779 (machine_ansi_h_va_list): New fix.
9780 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9781 Split out addition of "#include <stdarg.h>" to...
9782 (stdio_stdarg_h): ... here.
9783 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9784 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9785 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9787 (ultrix_ifdef): Tighten up select expression.
9789 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9790 re_ct and max_mach to avoid use of shell. Make printed names
9791 match names in inclhack.def. Use static copyright date.
9792 Don't count c_test and test expressions as requiring regex_t
9793 slots. Add some commentary.
9794 * inclhack.tpl: Do not include the 'This script contains N
9795 fixup scripts' line if PROGRAM is defined. Use static
9798 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9800 * dwarf2out.c: include "varray.h", not dyn-string.h.
9801 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9802 (addr_const_to_string, addr_to_string): Lose.
9803 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9804 (struct dw_val_struct): val_addr is now an rtx.
9805 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9806 (used_rtx_varray): New varray.
9807 (dwarf2out_init): Initialize it.
9809 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9811 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9812 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9813 * Makefile.in (dwarf2out.o): Update dependencies.
9815 2000-01-24 Richard Henderson <rth@cygnus.com>
9817 * i386.c (i386_dwarf_output_addr_const): New.
9818 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9820 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9822 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9823 * i386.c (i386_simplify_dwarf_addr): New.
9824 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9826 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9828 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9829 TYPE_STUB_DECL is NULL.
9831 2000-01-24 Richard Henderson <rth@cygnus.com>
9833 * builtins.c (expand_tree_builtin): Move ...
9834 * c-common.c (expand_tree_builtin): ... here.
9836 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9838 * loop.h (LOOP_INFO): New accessor macro.
9839 * basic-block.h (struct loop): Rename field `info' to `aux'.
9840 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9841 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9842 * unroll.c (loop_iterations, unroll_loop): Likewise.
9844 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9846 * config/i386/t-cygwin: Accomodate new winsup directory layout
9847 when searching for include files.
9849 2000-01-24 Richard Henderson <rth@cygnus.com>
9851 * rtl.def: Add unordered fp comparisions.
9852 * tree.def: Likewise.
9853 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9855 * builtins.c (expand_tree_builtin): New function.
9856 * c-typeck.c (build_function_call): Use it.
9857 (build_binary_op): Support unordered compares.
9858 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9860 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9861 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9862 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9863 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9864 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9866 (swap_condition): Handle unordered compares.
9867 (thread_jumps): Check can_reverse before reversing.
9868 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9871 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9872 setcc is present before acking for cmp_optab. Update all callers.
9873 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9874 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9875 * expr.c (expand_expr): Likewise. Support unordered compares.
9876 (do_jump, do_store_flag): Likewise.
9877 * expr.h (enum libfunc_index): Add unordered compares.
9879 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9880 (DPBIT_FUNCS): Add _unord_df.
9881 * config/fp-bit.c (_unord_f2): New.
9882 * fp-test.c (main): Try unordered compare builtins.
9884 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9885 * alpha.c (alpha_comparison_operator): Check mode properly.
9886 (alpha_swapped_comparison_operator): Likewise.
9887 (signed_comparison_operator): Likewise.
9888 (alpha_fp_comparison_operator): New.
9889 (alpha_emit_conditional_branch): Handle unordered compares.
9890 * alpha.h (PREDICATE_CODES): Update.
9891 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9892 (bunordered, bordered): New.
9894 2000-01-24 Richard Henderson <rth@cygnus.com>
9896 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9897 * alpha.md (movtf): New expander, insn, and splitter.
9899 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9901 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9904 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9906 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9907 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9908 REG_ALLOC_ORDER): Add frame pointer
9909 (FRAME_POINTER_REGNUM): Set to 20
9910 (HARD_FRAME_POINTER_REGNUM): New macro.
9911 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9912 to HARD_FRAME_POINTER.
9913 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9914 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9915 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9916 (HI_REGISTER_NAMES): Add "frame".
9917 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9918 (debug_reg): Handle FRAME_POINTER_REGNUM.
9919 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9920 GENERAL_REGS and INDEX_REGS.
9921 * i386.c (SAVED_REGS_FIRST): new macro.
9922 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9923 (ix86_decompose_address, memory_address_length): Likewise.
9924 (regclass_map): Add frame pointer.
9925 (call_insn_operand): Handle frame_pointer_rtx.
9926 (reg_no_sp_operand): Likewise.
9927 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9928 (print_operand, legitimize_pic_address): Fix formating.
9929 (ix86_compute_frame_size): Make static, update prototype, new
9930 parameters padding1, padding2, use ix86_nsaved_regs, use
9931 stack_alignment_needed.
9932 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9933 to HARD_FRAME_POINTER_REGNUM conversions.
9934 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9935 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9936 (print_reg): Abort on FRAME_POINTER_REGNUM
9938 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9940 * i386.h (PREDICATE_CODES): Add aligned_operand.
9941 * i386.c (aligned_operand): New function.
9942 (ix86_aligned_p): Kill.
9943 * i386.md (movhi_1): Emit mov for aligned operands.
9944 (promoting peep2s): Use aligned_operand.
9946 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9948 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9949 expression to allow underscores in macro names.
9950 (fix_char_macro_defines): Increment scanning pointer.
9952 2000-01-23 Richard Henderson <rth@cygnus.com>
9954 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9955 * alpha/osf5.h: New file.
9956 * configure.in (alpha-*-osf5): Add it to tm_file.
9958 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9960 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9961 (alpha_emit_xfloating_cvt, function_arg): Declare.
9962 * alpha.c (alpha_emit_conditional_branch): Call
9963 alpha_emit_xfloating_compare for TFmode compares.
9964 (alpha_lookup_xfloating_lib_func): New.
9965 (alpha_compute_xfloating_mode_arg): New.
9966 (alpha_emit_xfloating_libcall): New.
9967 (alpha_emit_xfloating_arith): New.
9968 (alpha_emit_xfloating_compare): New.
9969 (alpha_emit_xfloating_cvt): New.
9970 (print_operand): Add default abort case.
9971 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9972 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9973 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9974 (RETURN_IN_MEMORY): True for TF/TCmode.
9975 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9976 (FUNCTION_ARG): Move to function_arg.
9977 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9978 (ASM_OUTPUT_LONG_DOUBLE): New.
9979 (ASM_OUTPUT_DOUBLE): Always output bits.
9980 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9981 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9982 (extenddftf2, trunctfdf2): New.
9984 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9986 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9987 * config/sparc/sol2.h: ... here.
9989 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9991 * basic-block.h (struct loops): New field `levels'.
9992 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9993 (flow_loop_level_compute): Initialise level to 1.
9994 (flow_loops_find): Set loops->levels.
9995 (flow_loops_dump): Print loops->levels.
9997 2000-01-23 Richard Henderson <rth@cygnus.com>
9999 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10000 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10002 2000-01-23 Richard Henderson <rth@cygnus.com>
10004 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10005 * i386.h (DBX_REGISTER_NUMBER): Use them.
10006 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10007 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10008 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10009 * i386/sequent.h: Kill incorrect comment.
10011 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10013 * ggc-page.c (struct page_entry): Make `context_depth' an
10015 (struct globals): Likewise.
10017 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10019 * loop.c (check_dbra_loop): When checking a loop for
10020 reversability, check the source of any stores to ensure
10021 they don't depend on an initial value.
10023 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10025 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10027 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10029 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10030 'pz_scan' into scope of entire function. Only affects
10031 compiles with -DDEBUG.
10033 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10035 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10036 section naming to that prior to 2000-01-07 patch.
10037 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10038 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10039 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10040 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10041 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10043 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10045 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10048 2000-01-21 Jim Wilson <wilson@cygnus.com>
10050 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10051 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10053 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10055 * cpphash.c (change_newlines): Delete function.
10056 (struct argdata): Delete 'newlines' and 'use_count' fields.
10057 (macroexpand): Remove code referencing those fields.
10059 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10061 * loop.c (loops_info): New variable.
10062 (loop_optimize): Allocate loops->array and free it on exit.
10063 Allocate memory for loops_info and assign to each loop,
10065 (find_and_verify_loops): Do not allocate loops->array.
10067 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10069 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10071 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10073 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10074 pseudos if expanded after first flow.
10075 (movdi_pic_label_ref): Likewise.
10077 2000-01-20 Richard Henderson <rth@cygnus.com>
10079 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10081 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10083 * Makefile.in (fixinc.sh): Depend on specs.
10084 * fixinc/Makefile.in: Add rule to create machname.h.
10085 (fixlib.o): Depend on machname.h.
10086 * fixinc/fixtests.c (machine_name): New test.
10087 * fixinc/fixfixes.c (machine_name): New fix.
10088 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10089 the machine_name test and fix.
10090 * fixinc/fixlib.h: Prototype it.
10091 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10092 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10094 * gcc.c (do_spec_1) [case P]: Take care not to create
10095 identifiers with three leading or trailing underscores.
10097 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10098 (fixincl): Don't specify libraries twice on link line.
10099 (gnu-regex.o): Remove special rule.
10100 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10101 defined by config.h. Do not define _REGEX_RE_COMP.
10102 (regcomp): Allocate and initialize a fastmap.
10103 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10105 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10107 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10109 2000-01-19 Richard Henderson <rth@cygnus.com>
10111 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10112 arguments with BB. Update all callers. Tidy line wrapping.
10114 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10116 * emit-rtl.c (try_split): Return last_insn if we split the
10119 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10121 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10122 (ix86_initial_elimination_offset): Declare.
10123 * i386.c (ix86_nsaved_regs): Break out from ...
10124 (ix86_can_use_return_insn_p): ... here.
10125 (ix86_emit_save_regs): Break out from ...
10126 (ix86_expand_prologue): ... here.
10127 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10129 (ix86_expand_epilogue): ... here.
10130 (ix86_compute_frame_size): Make static, add prototype.
10131 (ix86_initial_elimination_offset): Break out from ...
10132 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10134 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10136 * recog.h (OUT_FCN): Delete.
10138 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10140 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10142 * cppalloc.c: PROTO -> PARAMS.
10143 * cpperror.c: Likewise.
10144 * cppfiles.c: Likewise.
10145 * cpplib.c: Likewise.
10146 * cpplib.h: Likewise.
10148 * config/arm/arm-protos.h: PROTO -> PARAMS.
10149 * config/arm/arm.c: Likewise.
10150 * config/c4x/c4x.c: Likewise.
10151 * config/fr30/fr30-protos.h: Likewise.
10152 * config/nextstep.c: Likewise.
10153 * config/pa/pa.c: Likewise.
10154 * config/pj/pj.c: Likewise.
10155 * config/rs6000/rs6000.c: Likewise.
10156 * config/v850/v850-protos.h: Likewise.
10157 * config/v850/v850.c: Likewise.
10159 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10161 * i370-protos.h: New file.
10163 * i370.c: Include tm_p.h. Fix compile time warnings.
10165 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10168 * i370.md: Likewise.
10170 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10172 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10173 (target_isinf, target_isnan, eisnan): Mark parameter with
10175 (eiisinf): Wrap in INFINITY.
10176 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10177 (ibmtoe): Remove unused variable `rndsav'.
10179 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10181 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10182 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10184 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10186 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10187 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10188 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10190 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10191 Recognize Emacs mode markers also.
10192 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10193 C++ comments in C++ headers. Call is_cxx_header only if
10196 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10197 bypass for ncurses.
10198 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10199 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10200 ... these, which use the new C fixes.
10201 (math_exception): Escape literal '+' in bypass expression.
10203 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10206 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10208 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10211 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10213 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10214 prior to calling scan_loop.
10216 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10218 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10219 (split_branches, calc_live_regs): Likewise.
10221 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10223 * sh.md (fpu_single, fp_mode): New attributes.
10225 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10227 * loop.c (current_loop_info): Renamed from loop_info_data
10228 and changed to a pointer.
10229 (loop_optimize): Allocate loop_info structure for each loop
10230 and initialise to zero.
10231 (scan_loop): Set current_loop_info.
10233 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10236 2000-01-19 Richard Henderson <rth@cygnus.com>
10238 * stupid.c: Die die die.
10239 * Makefile.in (OBJS): Remove stupid.o.
10240 (stupid.o): Likewise.
10242 * except.c (emit_eh_context): Don't emit USEs for stupid.
10243 * explow.c (probe_stack_range): Likewise.
10244 * flags.h (obey_regdecls): Remove.
10245 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10246 when not optimizing.
10247 (life_analysis): Limit data collection when not optimizing.
10248 (mark_regs_live_at_end): Always mark the return value registers.
10249 (mark_used_regs): Remove dummy RETURN case.
10250 (print_rtl_with_bb): Don't consult obey_regdecls.
10251 * function.c (use_variable, use_variable_after): Remove.
10252 (assign_parms): Consult optimize not obey_regdecls.
10253 (expand_function_start): Don't emit USEs for stupid.
10254 (expand_function_end): Likewise.
10255 * global.c (build_insn_chain): Export.
10256 * integrate.c (expand_inline_function): Kill return-value USE
10258 * jump.c (jump_optimize_1): Do simple jump optimizations and
10259 dead code elimination.
10260 (calculate_can_reach_end): Remove check_deleted argument.
10261 (delete_insn): Patch out insns even when not optimizing.
10262 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10263 * rtl.h (use_variable, use_variable_after): Remove declarations.
10264 (build_insn_chain): Declare.
10265 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10266 (expand_end_bindings): Likewise.
10267 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10268 * toplev.c (obey_regdecls): Remove.
10269 (rest_of_compilation): Don't set it. Kill stupid in favour of
10270 flow1, local-alloc, and reload.
10271 (main): Don't set obey_regdecls.
10273 * config/nextstep.c (handle_pragma): Likewise.
10275 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10277 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10279 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10281 * alpha-protos.h: PROTO -> PARAMS.
10282 * alpha.c: Likewise.
10284 * h8300.c: Likewise.
10285 * i386-protos.h: Likewise.
10286 * i386.c: Likewise.
10287 * m32r-protos.h: Likewise.
10288 * m32r.c: Likewise.
10289 * mips.c: Likewise.
10290 * mips.md: Likewise.
10291 * gmon-sol2.c: Likewise.
10292 * sparc.c: Likewise.
10294 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10296 * ns32k-protos.h: New file.
10298 * ns32k.c: Fix compile time warnings.
10300 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10303 * ns32k.md: Likewise.
10305 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10307 * vax-protos.h: New file.
10309 * vax.c: Fix compile time warnings.
10311 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10314 * vax.md: Likewise.
10316 * vaxv.md: Likewise.
10318 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10320 * romp-protos.h: New file.
10322 * romp.c: Fix compile time warnings.
10324 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10327 * romp.md: Likewise.
10329 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10331 * we32k-protos.h: New file.
10333 * we32k.c: Fix compile time warnings.
10335 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10338 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10340 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10342 * except.c (eh_regs): Likewise.
10344 * final.c (output_operand): Likewise.
10346 * fold-const.c (target_isinf, target_isnan): Likewise.
10348 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10350 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10351 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10353 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10354 when optimize_size.
10355 (clrstrsi): Rewrite.
10356 (strsethi, strsetqi): New expanders.
10357 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10358 (cmpstrsi): Emit compare insn before cmpstrsi_1
10359 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10360 (strlensi_1): Likewise.
10361 (cmpstrsi_1): Likewise; do not output compare.
10362 (strlen expander): Do not unroll when optimizing for size.
10363 (*subsi3_carry): Rename to subsi3_carry
10364 (addqi3_cc): New pattern.
10365 * i386.h (processor_costs): Add move_ratio field.
10366 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10367 * i386.c (*_cost): Set move_ratio.
10368 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10369 (x86_expand_strlensi_1): Rewrite the main loop.
10371 2000-01-17 Richard Henderson <rth@cygnus.com>
10373 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10374 * cse.c (find_comparison_args, fold_rtx): Likewise.
10375 * integrate.c (subst_constants): Likewise.
10376 * loop.c (get_condition): Likewise.
10378 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10380 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10382 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10384 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10385 (RESTORE_WARN_FLAGS): Unpack it.
10386 Change semantic type of extension to ttype.
10387 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10388 * c-parse.y, c-parse.c, objc/objc-parse.y,
10389 objc/objc-parse.c: Regenerate.
10391 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10393 * fixinc/fixlib.c: Add copyright notice.
10394 (compile_re): New function.
10395 * fixinc/fixlib.h: Prototype compile_re.
10397 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10398 Use compile_re to compile regular expressions.
10400 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10401 where the pattern matched.
10403 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10405 (ultrix_ansi_compat): Likewise.
10406 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10408 (interactv_add2, interactv_add3): Delete.
10409 (x11_sprintf): Don't use filename glob.
10410 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10413 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415 * print-rtl.c: PROTO -> PARAMS.
10416 * real.c: Likewise.
10417 * reg-stack.c: Likewise.
10418 * resource.c: Likewise.
10419 * sdbout.h: Likewise.
10420 * simplify-rtx.c: Likewise.
10421 * stor-layout.c: Likewise.
10422 * stupid.c: Likewise.
10423 * xcoffout.c: Likewise.
10424 * xcoffout.h: Likewise.
10426 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10428 * toplev.c: PROTO -> PARAMS.
10429 * toplev.h: Likewise.
10430 * tree.c: Likewise.
10431 * tree.h: Likewise.
10432 * unroll.c: Likewise.
10433 * varasm.c: Likewise.
10434 * varray.c: Likewise.
10435 * varray.h: Likewise.
10437 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * reload.c: PROTO -> PARAMS.
10440 * reload.h: Likewise.
10441 * reload1.c: Likewise.
10442 * reorg.c: Likewise.
10443 * resource.h: Likewise.
10446 * rtlanal.c: Likewise.
10447 * sbitmap.h: Likewise.
10448 * sdbout.c: Likewise.
10449 * stack.h: Likewise.
10450 * stmt.c: Likewise.
10451 * system.h: Likewise.
10453 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10455 * machmode.h: PROTO -> PARAMS.
10456 * mbchar.h: Likewise.
10457 * mips-tdump.c: Likewise.
10458 * mips-tfile.c: Likewise.
10459 * optabs.c: Likewise.
10460 * output.h: Likewise.
10461 * prefix.c: Likewise.
10462 * profile.c: Likewise.
10463 * protoize.c: Likewise.
10464 * real.h: Likewise.
10465 * recog.c: Likewise.
10466 * recog.h: Likewise.
10467 * regclass.c: Likewise.
10468 * regmove.c: Likewise.
10469 * regs.h: Likewise.
10471 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10473 * ggc-common.c: PROTO -> PARAMS.
10474 * ggc-page.c: Likewise.
10475 * ggc-simple.c: Likewise.
10477 * global.c: Likewise.
10478 * graph.c: Likewise.
10479 * gthr-win32.h: Likewise.
10480 * haifa-sched.c: Likewise.
10481 * halfpic.h: Likewise.
10482 * integrate.c: Likewise.
10483 * integrate.h: Likewise.
10484 * jump.c: Likewise.
10486 * local-alloc.c: Likewise.
10487 * loop.c: Likewise.
10488 * loop.h: Likewise.
10490 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10492 * genattr.c: PROTO -> PARAMS.
10493 * genattrtab.c: Likewise.
10494 * gencheck.c: Likewise.
10495 * gencodes.c: Likewise.
10496 * genconfig.c: Likewise.
10497 * genemit.c: Likewise.
10498 * genextract.c: Likewise.
10499 * genflags.c: Likewise.
10500 * gengenrtl.c: Likewise.
10501 * genopinit.c: Likewise.
10502 * genoutput.c: Likewise.
10503 * genpeep.c: Likewise.
10504 * genrecog.c: Likewise.
10506 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10508 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10510 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10512 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10513 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10514 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10515 * configure, config.in: Rebuilt.
10517 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10519 * config/i386/i386.md: Add peephole to merge successive stack
10522 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10524 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10525 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10526 when walking backwards to find all the parameter loads when
10527 the basic block ends in a call.
10529 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10531 * loop.c (this_loop_info): Delete.
10532 (uid_loop): Add in place of uid_loop_num. All uses updated.
10533 (loop_number_exit_count): Delete and replace with entry in loop
10534 structure. All uses updated.
10535 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10536 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10537 (loop_outer_loop): Likewise.
10538 (loop_invalid, loop_number_exit_labels): Likewise.
10539 (loop_used_count_register): Delete and replace with entry in
10540 loop_info structure.
10541 (find_and_verify_loops): Add loops argument.
10542 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10543 loop_end, etc. arguments with loop structure pointer. All callers
10545 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10546 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10547 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10548 (insert_bct): Likewise.
10549 (basic_induction_var): New argument level.
10550 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10551 vtop, and cont. Add used_count_register.
10552 (uid_loop): Delete declaration.
10553 (loop_number_exit_count): Likewise.
10554 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10555 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10556 (loop_outer_loop, loop_used_count_register): Likewise.
10557 (loop_invalid, loop_number_exit_labels): Likewise.
10558 (unroll_loop): Replace loop_start and loop_end arguments
10559 with loop structure pointer.
10560 (loop_precondition_p, loop_iterations): Likewise.
10561 Include basic-block.h.
10562 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10563 with loop structure pointer.
10564 (loop_precondition_p, loop_iterations): Likewise.
10565 * basic-block.h (struct loop): New entries vtop, cont,
10566 cont_dominator, start, end, top, scan_start, exit_labels,
10568 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10570 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10572 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10574 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10576 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10578 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 * pdp11-protos.h: New file.
10582 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10585 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10588 * pdp11.md: Likewise.
10590 * 2bsd.h: Likewise.
10592 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10594 * mn10300-protos.h: New file.
10596 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10599 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10602 * mn10300.md: Likewise.
10604 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10606 * mn10200-protos.h: New file.
10608 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10611 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10614 * mn10200.md: Likewise.
10616 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10618 * h8300-protos.h: New file.
10620 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10623 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10626 * h8300.md: Likewise.
10628 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10630 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10631 (asm_emit_uninitialised): Likewise.
10633 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10635 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10636 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10638 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10640 * config/mips/mips.c (override_options): Don't turn on extra
10641 alignment for mips16.
10643 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10645 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10646 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10649 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10651 * builtins.c (PAD_VARARGS_DOWN): Define.
10652 (std_expand_builtin_va_arg): Use the above macro.
10653 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10654 * tm.texi (Register Arguments): Document the above macro.
10656 2000-01-14 Nick Clifton <nickc@cygnus.com>
10658 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10659 that this function has not been used to emit a jump
10662 * jump.c (return_jump_1): Cope with being passed a null rtx.
10664 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10666 * eh-common.h: PROTO -> PARAMS.
10667 * emit-rtl.c: Likewise.
10668 * errors.c: Likewise.
10669 * errors.h: Likewise.
10670 * except.c: Likewise.
10671 * except.h: Likewise.
10672 * explow.c: Likewise.
10673 * expmed.c: Likewise.
10674 * expr.c: Likewise.
10675 * expr.h: Likewise.
10676 * final.c: Likewise.
10677 * fix-header.c: Likewise.
10678 * flow.c: Likewise.
10679 * fold-const.c: Likewise.
10680 * function.c: Likewise.
10681 * function.h: Likewise.
10683 * gcov-io.h: Likewise.
10684 * gcov.c: Likewise.
10685 * gcse.c: Likewise.
10687 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10689 * sh-protos.h: New file.
10691 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10692 Add static prototypes. Fix compile time warnings.
10694 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10698 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10700 * arc-protos.h: New file.
10702 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10705 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10708 * arc.md: Likewise.
10710 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * dsp16xx-protos.h: New file.
10714 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10717 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10720 * dsp16xx.md: Likewise.
10722 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10724 * convex-protos.h: New file.
10726 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10729 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10732 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10734 * elxsi-protos.h: New file.
10736 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10739 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10742 * elxsi.md: Likewise.
10744 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10746 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10747 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10748 match the comment for MIPS16.
10750 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10752 * flow.c (split_edge): Do not call set_block_for_insn if we
10753 do not have a basic_block_for_insn structure.
10755 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10756 and destination functions are 32bit aligned within the trampoline.
10757 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10758 (TRAMPOLINE_ALIGNMENT): Define.
10760 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10761 (set (pc) (label_ref)), verify the change creates a valid insn.
10763 * fr30.c (call_operand): Tighten and rework to match rules for
10764 call RTL expressions.
10765 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10766 * fr30.md (call patterns): Improve constraints.
10768 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10770 * fr30.c (fr30_expand_epilogue): Revert last change.
10771 Use emit_jump_insn for the return insn.
10773 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10774 Stan Cox <scox@cygnus.com>
10776 * predict.c: New file. Preliminary infrastructure work for static
10777 branch prediction and basic block reordering.
10778 * basic-block.h: Add prototype for estimate_probability.
10779 * Makefile.in: Add rules for predict.o.
10781 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10783 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10784 * fixinc/*: Likewise.
10786 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10788 * cccp.c: PROTO -> PARAMS.
10789 * cexp.y: Likewise.
10790 * collect2.c: Likewise.
10791 * combine.c: Likewise.
10792 * convert.h: Likewise.
10794 * dbxout.c: Likewise.
10795 * dbxout.h: Likewise.
10796 * diagnostic.c: Likewise.
10797 * doprint.c: Likewise.
10798 * dwarf2out.c: Likewise.
10799 * dwarf2out.h: Likewise.
10800 * dwarfout.c: Likewise.
10801 * dwarfout.h: Likewise.
10802 * dyn-string.h: Likewise.
10804 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10806 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10807 macro conditionals guarding use.
10809 * dwarf2out.c: Include "tm_p.h".
10811 * function.c (locate_and_pad_parm): Mark parameter with
10813 (expand_function_end): Likewise for variable `context'.
10815 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10817 2000-01-13 Nick Clifton <nickc@cygnus.com>
10819 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10820 register to prevent compile time warnings.
10822 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10824 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10825 to avoid -Wtraditional warning.
10827 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10829 * 1750a-protos.h: New file.
10831 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10834 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10837 * 1750a.md: Likewise.
10839 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10841 * a29k-protos.h: New file.
10843 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10846 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10849 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10851 * clipper-protos.h: New file.
10853 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10856 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10859 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10861 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10863 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10865 * configure.in (--enable-new-gxx-abi): New option.
10866 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10867 * Makefile.in (GXX_ABI_FLAG): New variable.
10868 * configure: Regenerate.
10870 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10872 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10873 * tm.texi (FORCE_STRUCT_BLK): Document.
10874 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10876 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10878 * config/ns32k/ns32k.md: Revert Jan 9 change.
10880 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10881 to a mode-test, if the predicate is address_operand.
10883 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10885 * combine.c (if_then_else_cond): Be careful about what kinds
10886 of RTL expressions are passed to operand_subword.
10888 * flow.c (split_edge): If we have to insert a new jump, make
10889 sure to associate it with a basic block.
10891 * flow.c (commit_one_edge_insertion): A block with one successor
10892 can end in a JUMP_INSN that is not a simplejump.
10894 2000-01-12 Robert Lipe <robertl@sco.com>
10896 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10897 (BUILD_VA_LIST_TYPE): Define.
10898 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10901 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10903 * cccp.c (do_pragma): Add cast to (char *).
10905 2000-01-12 Richard Henderson <rth@cygnus.com>
10906 Fred Fish <fnf@be.com>
10907 Jason Merrill <jason@cygnus.com>
10909 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10910 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10911 * i386/beos-elf.h, i386/beos-pe.h: New files.
10913 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10914 * cross-make (SYSTEM_HEADER_DIR): Define using
10915 CROSS_SYSTEM_HEADER_DIR.
10917 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10918 (process_command): Use it.
10919 (main): Likewise. Kill trailing = from env vars.
10920 (build_search_list): Put it back.
10921 * collect2.c (main): Use LIBRARY_PATH_ENV.
10923 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10924 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10926 * tm.texi (Frame Layout): Document SMALL_STACK.
10927 * c-common.c (c_common_nodes_and_builtins): Check it.
10929 * system.h: Undef alloca after including glibc's <stdlib.h>,
10930 if USE_C_ALLOCA is defined.
10932 * gcc.c (set_input): New fn.
10933 (main): After all input files are compiled, reset the input file
10936 * aclocal.m4 (rindex, index): If already defined, don't attempt
10939 * ginclude/varargs.h: (__va_list__): Define ifndef.
10940 * ginclude/stdarg.h: Likewise.
10942 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10943 instead of unsigned char.
10945 * hash.h (true, false, boolean): Undef before enum.
10947 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10948 proper type of "HOST_WIDE_INT *", rather than their natural type of
10949 "unsigned HOST_WIDE_INT *".
10951 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10953 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10955 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10957 * regclass.c (choose_hard_reg_mode): Likewise.
10959 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10961 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10963 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10965 * c-common.c: PROTO -> PARAMS.
10966 * c-common.h: Likewise.
10967 * c-decl.c: Likewise.
10968 * c-iterate.c: Likewise.
10969 * c-lang.c: Likewise.
10970 * c-lex.c: Likewise.
10971 * c-lex.h: Likewise.
10972 * c-parse.in: Likewise.
10973 * c-pragma.c: Likewise.
10974 * c-pragma.h: Likewise.
10975 * c-tree.h: Likewise.
10976 * c-typeck.c: Likewise.
10977 * objc/objc-act.c: Likewise.
10978 * objc/objc-act.h: Likewise.
10980 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10982 * m88k-protos.h: New file.
10984 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10987 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10989 * m88k.md: Likewise.
10991 * tekXD88.h: Likewise.
10993 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10995 * m68k-protos.h: New file.
10997 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11000 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11002 * mot3300.h: Likewise.
11004 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11006 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11008 (extract_bitlist): Declare bitlen.
11010 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11012 * cccp.c: Accept and ignore -lang-fortran.
11014 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11015 qualifiers don't match at any level of pointerness.
11017 2000-01-12 Robert Lipe <robertl@sco.com>
11019 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11021 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11023 * reload1.c (reload_reg_unavailable): New static variable.
11024 (reload_reg_free_p): Test it.
11025 (reload_reg_free_for_value_p): Test it instead of
11027 (choose_reload_regs_init): Compute it.
11029 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11031 * reorg.c (fill_slots_from_thread): Check modified_in_p
11034 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11036 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11037 these nodes even if INTERNALS is not set.
11039 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11041 * gcse.c (delete_null_pointer_checks_1): Cope when
11042 get_condition cannot determine the condition.
11044 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11046 * toplev.h (set_message_length): Declare.
11048 * diagnostic.c (obstack_chunk_alloc): Define macro.
11049 (obstack_chunk_free): Likewise.
11050 (struct output_buffer): New data structure.
11051 (vmessage): Remove.
11052 (output_maximum_width): New variable.
11053 (doing_line_wrapping, set_message_length, init_output_buffer,
11054 get_output_prefix, output_space_left, emit_output_prefix,
11055 output_newline, output_append, output_puts, dump_output,
11056 vbuild_message_string, build_message_string, build_location_prefix,
11057 voutput_notice, output_printf, line_wrapper_printf,
11058 vline_wrapper_message_with_location): New functions. Implement
11059 automatic line wrapping.
11060 (v_message_with_decl): Make it handle automatic line wrapping.
11061 (v_error_with_file_and_line): Likewise.
11062 (v_warning_with_file_and_line): Likewise.
11063 (announce_function): Likewise.
11064 (default_print_error_function): Likewise.
11066 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11068 * cpplib.h (struct cpp_options): Change lang_asm to char.
11070 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11071 done in cpp_handle_option now.
11072 (initialize_builtins): Take out special case code used only by
11074 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11075 if -traditional. Recognize -lang-fortran and set
11076 lang_fortran, also turn off cplusplus_comments.
11077 (print_help): Document -lang-fortran.
11078 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11079 lang_asm. Ignore all directives other than `# 123 "file"' if
11081 (cpp_get_token): If -traditional, don't recognize directives
11082 unless the # is in column 1.
11083 (parse_string): If lang_fortran or lang_asm, silently
11084 terminate strings ('' or "") at end of line.
11085 Remove unnecessary braces.
11087 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11088 Richard Henderson <rth@cygnus.com>
11090 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11092 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11093 strict_low_part when possible.
11095 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11097 * alias.c: PROTO -> PARAMS.
11098 * basic-block.h: Likewise.
11099 * bitmap.c: Likewise.
11100 * bitmap.h: Likewise.
11101 * builtins.c: Likewise.
11102 * c-aux-info.c: Likewise.
11103 * caller-save.c: Likewise.
11104 * calls.c: Likewise.
11106 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11108 * Makefile.in (toplev.o): Depend on regs.h.
11110 * output.h (tdesc_section): Prototype.
11112 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11114 * sdbout.c: Include "tm_p.h".
11116 * toplev.c: Include "regs.h".
11118 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11120 * unroll.c (unroll_loop): Add EH support.
11122 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11124 * pa-protos.h: New file.
11126 * pa.c: Include recog.h and tm_p.h.
11127 (compute_zdepwi_operands, compute_movstrsi_length,
11128 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11129 find_addr_reg, import_milli): Add static prototypes.
11130 (pa_cpu_string, pa_arch_string): Constify a char*.
11131 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11132 (read_only_operand): Add argument `mode'.
11133 (singlemove_string, output_move_double, output_fp_move_double,
11134 output_block_move, output_and, output_ior, output_ascii,
11135 remove_useless_addtr_insns, milli_names, output_mul_insn,
11136 output_div_insn, output_mod_insn, output_arg_descriptor,
11137 output_cbranch, output_bb, output_bvb, output_dbra, ,
11138 output_millicode_call, output_call, hppa_encode_label,
11139 output_parallel_movb, output_parallel_addb): Constify a char*.
11140 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11141 (output_parallel_addb): Remove extra arg to `constrain_operands'
11143 * pa.h: Move all prototypes to pa-protos.h.
11144 (pa_cpu_string, pa_arch_string): Constify a char*.
11145 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11147 * pa.md: Call `function_label_operand' with mode argument.
11148 Likewise for `read_only_operand'.
11149 Fix nesting of parens in call to `symbolic_operand'.
11151 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11153 * i860-protos.h: New file.
11155 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11158 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11160 * i860.md: Likewise.
11162 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11164 * i386.md (movstrsi expander): Rewrite.
11165 (movstrsi_1 insn): Deleted.
11166 (strmovhi, strmovqi expander): New expanders.
11167 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11168 * i386.c (x86_single_stringop): New global variable.
11169 * i386.h (x86_single_stringop): Declare.
11170 (TARGET_SINGLE_STRINGOP): New macro.
11172 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11174 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11175 integer vararg POSTINCREMENT before the destination of the jump
11176 for the hard fp case.
11177 (function_arg_pass_by_reference): Pass a copy of CUM to
11180 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11181 for CONSTANT_ADDRESS_P above while loop for subreg.
11183 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11185 * flow.c (propagate_block): When a prologue/epilogue insn
11186 is marked dead, unconditionally clear libcall_is_dead and
11187 insn_is_dead, and only dump rtl if warnings aren't being
11190 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11192 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11193 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11194 (FIXED_REGISTERS): Set dirflag as fixed.
11195 (CALL_USED_REGISTERS): Set dirflag as used.
11196 (REG_ALLOC_ORDER): Set dirflag as last one.
11197 (DIRFLAG_REG): New macro.
11198 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11199 (HI_REGISTER_NAMES): Add dirflag.
11200 (DEBUF_PRINT_REG): Handle dirflag.
11201 * i386.md (type attribute): New cld and str types.
11202 (length_opcode attribute): Set cld and str to 1.
11203 (memory attribute): Set str to unknown - it is not clear from the
11205 (pent_np function unit): Prefixed string operations takes 12 cycles
11206 minimally; cld takes 2 cycles.
11207 (ppro_uops attribute): Str is "many" and cld is "few".
11208 (ppro_p0 unit): Handle cld here.
11209 (k6_alux unit): Handle cld and str types.
11210 (k6_load unit): It is ocupied by str opcodes.
11211 (k6_store unit): It is ocupied by str opcodes.
11212 (athlon_decode): Str is vector decoded.
11213 (athlon_ieu): Handle str and cld.
11214 (cld pattern): New.
11215 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11216 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11217 cmpstrsi_nz_1 insn): Do not output cld instruction
11219 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11221 * gcc.texi (G++ and GCC): Add Java and Chill.
11222 (Bug Critera): Don't list languages.
11224 * gcc.texi (Incompatibilities): No longer claim most C compilers
11227 * gcc.texi (G++ and GCC): Update other front-ends list.
11229 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11231 * i386.c (ix86_expand_setcc): Fix typo.
11232 (ix86_expand_movcc): Similarly.
11234 * Band-aid until haifa's bitset implementation is nuked.
11235 * haifa-sched.c (extract_bitlst): New parameter for size of the
11236 bitset in bits. All callers changed. Avoid looking at undefined
11237 bits in the bitset.
11238 (edgeset_bitsize): New variable.
11239 (schedule_region): Initialize edgeset_bitsize.
11241 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11243 * Makefile.in (optabs.o): Depend on real.h
11244 (resource.o): Depend on insn-attr.h
11246 * builtins.c (result_vector): Wrap prototype in macro conditions
11247 governing definition and use.
11249 * c-common.c: Include tm_p.h.
11251 * c-lex.c: Likewise.
11253 * elfos.h: Constify a char*.
11255 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11256 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11257 parameter with ATTRIBUTE_UNUSED.
11259 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11262 * haifa-sched.c (schedule_insns): Mark parameter with
11265 * optabs.c: Include real.h.
11267 * real.h (ereal_atof): Add prototype arguments.
11269 * resource.c: Include insn-attr.h.
11271 * sdbout.c (sdbout_queue_anonymous_type,
11272 sdbout_dequeue_anonymous_types): Wrap in macro
11273 SDB_ALLOW_FORWARD_REFERENCES.
11274 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11277 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11279 * stupid.c: Include tm_p.h.
11281 * tree.c (real_value_from_int_cst): Mark parameter with
11284 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11286 * i960-protos.h: New file.
11288 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11291 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11293 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11295 * combine.c (expand_field_assignment): Do not discard SUBREGs
11296 while computing nonzero_bits.
11298 2000-01-09 Nick Clifton <nickc@cygnus.com>
11300 * config/arm/arm.c: Fix compile time warnings about signed vs
11301 unsigned constants.
11302 * config/arm/arm.h: Fix compile time warnings about signed vs
11303 unsigned constants.
11305 2000-01-09 Philip Blundell <philb@gnu.org>
11307 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11308 than `ldm' with only one register.
11309 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11312 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11315 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11317 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11320 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11322 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11323 assignment used as truth value.
11325 * function.c (assign_temp): Mark parameter `dont_promote' with
11326 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11327 PROMOTE_FOR_CALL_ONLY.
11329 * genrecog.c (write_subroutine): Mark variable `operands' with
11332 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11335 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11336 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11338 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11341 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11343 * config/c4x.h: Tidy up comments.
11344 * config/c4x.c: Likewise.
11346 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11348 * fold-const.c (lshift_double, rshift_double): Handle
11349 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11351 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11353 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11354 in prepare_function_start().
11356 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11358 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11359 longer allocate extra stack for function calls.
11361 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11363 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11365 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11367 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11369 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11371 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11372 * aix43.h: Revert Aug 2 change.
11373 (HAS_INIT_SECTION): Define, not visible yet.
11374 (LD_INIT_SWITCH): Define, not visible yet.
11375 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11377 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11379 * collect2.c (main): Expand ld2 size further.
11380 (export_object_lst): Cast assignment to avoid warning.
11381 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11382 (scan_prog_file, COFF): Do not collect initialization or
11383 finalization functions generated for entire shared object if
11384 init/fini support present.
11386 2000-01-07 Nick Clifton <nickc@cygnus.com>
11388 * config/elfos.h: Tidy up formatting of marcos. Make sure
11389 that .section directives are always prefixed by a tab.
11391 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11394 2000-01-07 Matt Austern <austern@sgi.com>
11396 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11399 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11401 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11403 (crtbegin.o, s-crtS): Likewise.
11405 2000-01-06 Richard Henderson <rth@cygnus.com>
11407 * alpha.md (adddi_2+1): Limit offset such that it will be
11408 loadable with a single ldah+lda pair.
11409 (adddi_2+2): Explicitly fail split if we can't make it work.
11411 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11413 * protoize.c: Conditionally include unistd.h.
11414 (IS_SAME_PATH_CHAR): New macro.
11415 (IS_SAME_PATH): New macro.
11416 (CPLUS_FILE_SUFFIX): New macro.
11417 (cplus_suffix): New static variable.
11418 (is_abspath): New static function.
11419 (in_system_include_dir): Handle DOS style pathnames.
11420 (file_could_be_converted): Likewise.
11421 (file_normally_convertible): Likewise.
11422 (directory_specified_p): Likewise.
11423 (file_excluded_p): Likewise.
11424 (abspath): Likewise.
11425 (shortpath): Likewise.
11426 (referenced_file_is_newer): Likewise.
11427 (save_def_or_dec): Likewise.
11428 (do_processing): Likewise.
11430 (edit_file): Likewise. Use rename instead of link.
11431 (rename_c_file): Likewise. Don't rename syscalls file.
11432 (munge_compile_params): Define null device for DOS based systems.
11433 (process_aux_info_file): Use binary mode if appliable.
11434 (edit_file): Likewise.
11435 * invoke.texi (Running Protoize): Document C++ suffixes used.
11437 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11438 IS_DIR_SEPARATOR macros.
11439 * collect2.c: Likewise.
11440 * cppinit.c: Likewise.
11441 * dwarf2out.c: Likewise.
11443 * gcov.c: Likewise.
11444 * prefix.c: Likewise.
11446 * toplev.c: Likewise.
11447 * system.h: And move to here.
11449 * prefix.c (update_path): Fix typo in variable name.
11451 2000-01-06 Richard Henderson <rth@cygnus.com>
11453 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11454 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11455 (count_reg_sets_1, count_reg_references): Likewise.
11456 (flow_loops_level_compute): Start counting actual loop depth at 1.
11457 (flow_loops_find): Likewise.
11458 * local-alloc.c (update_equiv_regs): Likewise.
11459 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11461 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11463 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11464 FIRST_PSEUDO_REGISTER
11465 * dwarf2out.c: Don't include frame.h
11466 * dwarfout.c: Likewise
11467 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11470 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11472 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11475 * i386.c (movsf splitter): Fix typo in my last checkin.
11477 2000-01-05 Nick Clifton <nickc@cygnus.com>
11479 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11480 own definition of this macro.
11481 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11482 flag_data_sections or UNIQUE_SECTION_P are true.
11484 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11485 unitialised data decls.
11487 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11488 being called for uninitialised data.
11490 * config/i386/interix.c (i386_pe_unique_section): Cope with
11491 being called for uninitialised data.
11493 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11494 for uninitialised data.
11496 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11497 for uninitialised data.
11499 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11500 for uninitialised data.
11502 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11503 (UNIQUE_SECTION_P): Always generate a unique section if
11504 flag_data_sections is true.
11505 (UNIQUE_SECTION): Also generate unique sections for
11506 uninitialised data.
11507 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11508 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11511 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11513 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11516 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11518 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11519 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11520 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11521 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11522 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11524 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11526 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11528 * c-decl.c (finish_enum): Simplify code to determine minimum and
11529 maximum values of the enum, and calculate the type. Remove check
11530 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11531 the DECL_INITIAL of each enumeration constant with a copy converted
11532 to the enumeration type. When updating variant types, don't bother
11533 updating the type itself.
11535 * c-typeck.c (build_binary_op): Simplify conditional expressions
11536 when weeding out spurious signed-unsigned warnings. Add new
11537 spurious warning category: if the unsigned quantity is an enum
11538 and its maximum value fits in signed_type(result_type). Update
11540 (build_conditional_expr): Warn here if one alternative is signed
11541 and the other is unsigned.
11543 2000-01-05 Nick Clifton <nickc@cygnus.com>
11545 * config/fr30/fr30.h: Remove extraneous comments.
11547 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11549 * reload1.c (choose_reload_regs): When disabling a reload, also
11550 set reload_spill_index to -1.
11552 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11554 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11556 (m68*-*-rtemself*): New target.
11557 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11558 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11559 (sparc*-*-rtemself*): New target.
11560 (sparc*-*-rtems*): Now elf not a.out.
11561 * config/i386/rtems.h: Include config/rtems.h.
11562 * config/i386/rtemself.h: Include config/rtems.h.
11563 * config/i960/rtems.h: Include config/rtems.h.
11564 * config/m68k/rtems.h: Include config/rtems.h.
11565 * config/m68k/rtemself.h: Include config/rtems.h.
11566 * config/mips/rtems64.h: Include config/rtems.h.
11567 * config/pa/rtems.h: Include config/rtems.h.
11568 * config/rs6000/rtems.h: Include config/rtems.h.
11569 * config/sh/rtems.h: Include config/rtems.h.
11570 * config/sh/rtemself.h: Include config/rtems.h.
11571 * config/sparc/rtems.h: Include config/rtems.h.
11572 * config/sparc/rtemself.h: Include config/rtems.h
11574 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11576 * final.c (shorten_branches): Correctly compute length of
11577 asms without operands.
11579 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11581 * configure.in: Add pj target.
11582 * configure: Regenerate.
11583 * config/pj: New directory.
11584 * config/pj/lib1funcs.S: New file.
11585 * config/pj/linux.h: New file.
11586 * config/pj/pj.c: New file.
11587 * config/pj/pj.md: New file.
11588 * config/pj/pjl.h: New file.
11589 * config/pj/t-pj: New file.
11590 * config/pj/xm-pj.h: New file
11592 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11594 * toplev.c (rest_of_compilation): Run shorten-branches before
11597 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11599 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11600 macros so that they're consistent with their names.
11601 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11602 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11604 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11606 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11607 modified inadvertently.
11609 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11611 * configure.in (v850*-*-rtems*): New target.
11612 * configure: Regenerate.
11613 * config/v850/rtems.h: New file.
11615 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11617 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11618 (__gthread_key_create): Likewise.
11619 (__gthread_key_dtor): Likewise.
11620 (__gthread_once): Fix logic.
11621 (__gthread_key_delete): Cast away constness.
11623 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11624 * invoke.texi: Document.
11625 * i386/mingw32.h (CPP_SPEC): Use.
11626 (LIBGCC_SPEC): Likewise.
11627 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11629 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11631 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11632 (HANDLE_PRAGMA_PACK): Undefine.
11633 (SLOW_UNALIGNED_ACCESS): Define.
11635 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11637 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11638 to default definition.
11639 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11640 (store_fixed_bit_field): Call macro with word_mode and alignment.
11641 (extract_bit_field): Call macro with relevant mode and alignment.
11642 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11643 to default definition.
11644 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11646 (move_by_pieces_ninsns): Likewise.
11647 (clear_by_pieces): Likewise.
11648 (emit_push_insn): Likewise.
11649 (store_field): Call macro with relevant mode and alignment.
11650 (expand_expr): Likewise.
11651 (expand_expr_unaligned): Likewise.
11653 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11654 (SLOW_UNALIGNED_ACCESS): Define.
11655 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11656 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11657 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11658 (toc_section): Likewise and .toc pseudo-op.
11659 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11661 (TEXT_SECTION_ASM_OP): Likewise.
11662 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11665 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11666 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11667 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11668 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11669 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11671 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11673 * regclass.c: Revert my Jan 4 change to loop cost computation.
11675 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11677 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11680 2000-01-04 Stan Cox <scox@cygnus.com>
11682 * haifa-sched.c (build_control_flow): Change unreachable simple
11683 loop test to check if current block has only one predecessor.
11684 (find_rgns): Initialize degree. Use dest as degree index, not src.
11686 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11688 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11690 * calls.c (expand_call): Likewise for
11691 `old_stack_arg_under_construction'.
11693 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11695 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11698 * gcc.c (execute): Likewise for `ut' and `st'.
11700 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11702 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11704 * jump.c (jump_optimize_1): Likewise for `temp2'.
11706 * local-alloc.c (block_alloc): Likewise for `r1'.
11708 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11710 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11711 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11713 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11716 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11717 and `goal_earlyclobber'.
11719 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11721 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11723 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11725 * unroll.c (copy_loop_body): Likewise for `copy'.
11727 * varasm.c (output_constructor): Likewise for `byte'.
11729 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11731 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11732 all FP constants for constant->reg moves.
11733 (ix86_split_to_parts): Try to convert memory address into immediate
11734 when available in the constant pool.
11735 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11737 (LEGITIMATE_CONSTANT_P): Return 1.
11738 * i386.md (pushsf): New splitter to convert constant pool memory
11739 reference to immediate.
11740 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11743 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11745 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11746 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11747 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11748 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11749 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11751 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11753 * ginclude/stdbool.h: Support compilation as C++.
11755 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11757 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11759 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11761 * regclass.c (regclass): Properly compute loop_cost. Adjust
11764 * regclass.c: Fix minor whitespace problems.
11766 2000-01-03 Anthony Green <green@cygnus.com>
11768 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11769 Restore the pic register if required.
11771 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11773 * c-common.c (format_char_info): Update comment.
11774 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11775 was recognized. Emit warning for formats new in ISO C99 only
11776 if flag_isoc9x is not set.
11778 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11780 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11782 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11784 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11785 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11786 (make_compound_operation): Choose cheaper alternative between
11787 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11789 * regclass.c (op_costs): Remove global variable.
11790 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11791 (record_operand_costs): Break out from ...
11792 (scan_one_insn): ... here.
11793 (dump_regclass): Make dumps nicer.
11794 (regclass): Dump preferrences choosed and changes done during passes.
11796 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11798 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11800 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11802 * config/sparc/sparc.c (gen_df_reg): New function.
11803 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11804 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11805 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11806 movtf_cc_reg_sp64+1): Use it.
11808 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11810 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11811 copied LABEL_DECLs.
11813 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11815 * config/i386/i386.c (ix86_expand_unary_operator): Function
11816 definition made void.
11817 (ix86_expand_binary_operator): Update outdated preceding comment.
11818 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11821 * config/i386/i386.c (override_options): Fix option-name typo.
11823 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11825 * system.h (CEIL): Define.
11826 * builtins.c (CEIL): Remove.
11827 * expmed.c (CEIL): Likewise.
11828 * expr.c (CEIL): Likewise.
11829 * stor-layout.c (CEIL): Likewise.
11831 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11833 * expr.c (store_constructor_field): Fix typo introduced with last
11836 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11838 * tree.h (BINFO_N_BASETYPES): New macro.
11840 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11842 * expmed.c (emit_store_flag): Prevent losing a pending stack
11843 adjust the same way we prevent losing queued increments.
11845 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11847 * function.c (update_temp_slot_address): Handle case where sum of
11848 temporary address plus offset in register is a valid address.
11850 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11852 * genrecog.c (change_state) Corrected typo.
11854 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11856 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11857 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11858 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11860 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11862 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11863 case, expand GT comparisons correctly. Fix a comment before this
11866 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11868 * dwarfout.c: Include "frame.h"
11869 * dwarf2out.c: Likewise.
11870 * Makefile.in (dwarfout.o): Depend on frame.h
11871 (dwarf2out.o): Likewise.
11873 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11875 Restore i386 binary compatibility in Dwarf EH info.
11876 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11877 value of FIRST_PSEUDO_REGISTER.
11878 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11879 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11880 * dwarfout.c (output_reg_number): Ditto.
11881 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11882 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11884 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11886 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11887 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11888 (<hack>_RE_CT): not needed
11889 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11890 rewritten to scan the file text once only
11891 "template<..." test added
11892 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11893 (is_cxx_header): declaration added
11894 * fixinc/fixtests.c(is_cxx_header): removed
11895 (apply_fix_p_t): removed
11896 (double_slash_test): is_cxx_header is only called once now
11897 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11898 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11899 within the templates.
11900 The borken spelling of "broken" was fixed.
11901 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11902 The default level depends on FIXINC_DEBUG.
11904 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11906 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11907 Otherwise provide a declaration for atexit.
11908 (init_dummy): Make sure dummy call to atexit is nevertheless
11909 called with correct number of args.
11911 * frame.c: Update comments referring to other files.
11913 * libgcc2.c: Likewise.
11915 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11917 * cse.c (free_element, get_element): Remove unused prototypes.
11919 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11922 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11925 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11927 * configure.in,configure: case arm for mn10200-*-* now sets
11928 float_format=i32 so that float.h will correctly claim "double"
11929 to be 32 bits. Ran autoconf to generate configure from .in file.
11931 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11933 * pa.md (conditional zero): If op1 is a register, force it into
11934 the same register as op0.
11936 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11938 * tree.h (BINFO_BASETYPES): Improve documentation.
11940 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11942 * configure.in (--enable-checking): Use a more portable `for'
11945 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11947 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11948 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11950 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11953 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11954 Delete descriptions.
11956 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11957 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11958 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11959 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11960 xm-svr4.h: Remove all instances of sys_siglist handling.
11962 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11964 * config/sparc/sparc.md (cmp_zero_qi,
11965 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11966 cmp_zero_extendqidi2_andcc_set): New patterns.
11968 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11970 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11971 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11972 (fpgnulib.c, xfgnulib.c): Add rules.
11973 * m68k/t-mot3300-gas: Likewise.
11975 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11977 * configure.in: Avoid [[ by using test and changequote. Add
11978 changequote required by 1999-12-14 change.
11979 * configure: Rebuild.
11981 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11983 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11985 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11987 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11988 * flow.c (find_use_as_address): Likewise.
11989 * function.c (fixup_var_refs_1): Likewise.
11990 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11991 * jump.c (invert_exp, redirect_exp): Likewise.
11992 * loop.c (replace_call_address): Likewise.
11993 (count_nonfixed_reads): Likewise.
11994 * rtlanal.c (modified_between_p): Likewise.
11995 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11996 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11997 * unroll.c (remap_split_bivs): Likewise.
11999 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12001 * diagnostic.c (v_message_with_decl): Use .* format specifier
12002 instead of building the format specifier width manually.
12004 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12005 determining whether to provide a prototype. Remove the
12006 sys_siglist clause in the conditional.
12008 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12010 * fold-const.c (operand_equal_p): Use memcmp to compare string
12012 Suggested by D. J. Bernstein
12014 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12016 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12017 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12019 * config/mips/mips.h (TARGET_64BIT): Likewise.
12020 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12021 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12022 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12023 dsps. Give routines proper names if SI/DI modes are not used.
12024 * longlong.h: Use DWunion instead of DIunion.
12026 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12028 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12029 GC_CHECKING, GC_ALWAYS_COLLECT.
12030 * configure.in: Allow --enable-checking with an argument
12031 listing check modes to enable.
12032 * config.in, configure: Rebuilt.
12033 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12034 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12035 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12036 ENABLE_GC_ALWAYS_COLLECT.
12037 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12039 * tree.h, tree.c: Change ENABLE_CHECKING to
12040 ENABLE_TREE_CHECKING throughout.
12042 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12044 * fold-const.c (fold_truthop): Properly check for FP RHS.
12046 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12048 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12049 * toplev.c (note_deferral_of_defined_inline_function): New
12050 function, split out from ...
12051 (rest_of_compilation): ... here. Use it.
12053 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12055 * expr.c (store_constructor): Don't call clear_storage if size is
12058 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12060 * Makefile.in (toplev.o): Depend on loop.h.
12062 * dwarfout.c: Include tm_p.h.
12064 * emit-rtl.c (restore_emit_status): Mark parameter with
12067 * final.c (final_scan_insn): Likewise.
12069 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12070 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12071 flow_depth_first_order_compute, flow_loop_pre_header_find,
12072 flow_loop_tree_node_add, flow_loops_tree_build,
12073 flow_loop_level_compute, flow_loops_level_compute,
12074 flow_loop_outside_edge_p): Add prototypes.
12075 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12077 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12078 Mark with ATTRIBUTE_NORETURN.
12080 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12082 * local-alloc.c (no_conflict_p): Likewise.
12084 * loop.c (insert_bct): Hide definitions of variables with hidden
12086 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12088 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12089 with ATTRIBUTE_UNUSED.
12090 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12091 (reg_scan): Likewise.
12093 * reload.c (find_reloads): Remove unused variables `changed'.
12095 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12097 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12098 Remove unused variable `insn'.
12100 * toplev.c: Include loop.h.
12101 (report_file_and_line): Remove unnecessary prototype.
12103 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12105 * unroll.c (biv_total_increment): Likewise.
12107 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12109 * reload1.c (emit_input_reload_insns): Restore old behaviour
12110 wrt. 'special' reloads.
12112 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12114 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12115 hash.h. (cse.c): Don't depend on hashtab.h.
12117 * cse.c: Don't include hashtab.h.
12118 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12120 * ggc-simple.c: Don't include hash.h.
12122 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12124 * dwarf2out.c (add_abstract_origin_attribute): Call
12125 gen_abstract_function on our function context.
12127 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12129 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12131 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12133 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12136 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12138 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12139 constraints to "a!r".
12141 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12143 * Makefile.in (calls.o): Depend on function.h.
12144 (alias.o): Likewise.
12146 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12148 * reload1.c (emit_reload_insns): Break out code and variables into...
12149 (input_reload_insns, other_input_address_reload_insns,
12150 other_input_reload_insns, input_address_reload_insns,
12151 inpaddr_address_reload_insns, output_reload_insns,
12152 output_address_reload_insns, outaddr_address_reload_insns,
12153 operand_reload_insns, other_operand_reload_insns,
12154 other_output_reload_insns): ... new static variables, and...
12155 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12156 do_output_reload): ... new functions.
12158 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12160 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12162 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12164 * md.texi: Add c4x constraints documentation.
12166 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12168 * config/i386/dgux.c (struct option): Rename to
12169 lang_independent_option.
12170 (struct m_options): Add description field.
12171 (output_options): Rename option type, add sep declaration, output
12172 ix86_cpu_string and ix86_arch_string only if set.
12173 (output_file_start): Rename option type.
12175 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12177 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12179 (libgcc2.a): Similarly.
12181 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12183 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12184 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12185 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12187 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12189 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12190 Remove redundant initialization of "frexpon" and "expon".
12192 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12194 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12196 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12197 (store_constructor_field, expand_expr): Pass new arg.
12199 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12201 * Makefile.in (explow.o): Depend on function.h.
12203 * stor-layout.c (set_sizetype): Fix typo.
12205 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12207 * function.c (cfun): Renamed from current_function. All users
12209 * function.h (cfun): Rename declaration as well.
12211 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12212 to be of type regset_head, not regset. All users changed by adding
12214 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12216 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12218 * config/c4x/rtems.h: New file.
12220 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12222 * reload1.c (spill_failure): Take class of failed reload as argument
12223 and print it. Caller changed.
12225 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12227 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12228 (TARGET_SWITCHES): Allow subtargets to default switches.
12229 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12231 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12233 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12236 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12238 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12239 * cppinit.c (cpp_handle_option): Likewise.
12241 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12242 determine when to define.
12244 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12246 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12247 cmove with mismatched test and data modes.
12249 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12251 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12254 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12256 * alias.c: Minor reformatting.
12257 * flow.c: Likewise.
12258 * regs.h: Likewise.
12259 * stor-layout.c: Likewise.
12260 * fold-const.c: Likewise.
12261 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12262 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12264 (size_int_wide): Cache nodes even if garbage collecting.
12265 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12266 of SAVE_EXPR has no side effects.
12267 * cse.c: Move a comment.
12268 * tree.c: Minor reformatting.
12269 (int_size_in_bytes): Return -1 if constant overflows.
12271 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12273 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12275 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12277 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12278 after any change to c-parse.in, even if objc-parse.y didn't
12281 1999-12-18 David S. Miller <davem@redhat.com>
12283 * toplev.c (rest_of_compilation): Restore BLOCK tree
12284 reconstruction and branch shortening changes lost in
12285 December 18th change.
12287 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12289 * config/arm/linux-elf.h: Change all instances of
12290 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12291 * config/arm/uclinux-elf.h: Likewise.
12293 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12295 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12296 v_message_with_decl, file_and_line_for_asm,
12297 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12298 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12299 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12300 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12301 pfatal_with_name, fatal_io_error, need_error_newline,
12302 last_error_function, last_error_tick, announce_function,
12303 default_print_error_function, print_error_function,
12304 report_error_function, fnotice, error_with_file_and_line,
12305 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12306 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12307 warning_with_decl, warning_for_asm, warning, pedwarn,
12308 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12310 (compile_file): Use fnotice instead of notice. Adjust call.
12312 * diagnostic.c: New file.
12314 * Makefile.in (OBJS): Include diagnostic.o
12315 (diagnostic.o): Define dependence.
12317 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12319 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12322 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12324 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12326 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12328 * fixtests.c (is_cxx_header): New fn, split out of
12330 (else_endif_label): Allow "#endif // comment" in C++ headers,
12331 as determined by is_cxx_header.
12332 * fixfixes.c (else_endif_label_fix): Update comment.
12333 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12335 * genfixes: Correct double thinko in commandline parsing.
12336 * hackshell.tpl: Generate correct sh syntax for bypass
12339 * inclhack.def (all): Whenever an inserted preprocessor
12340 conditional is split over multiple lines, use double
12341 backslashes in this file so the fixed header will be readable.
12343 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12344 and add bypass entry for correct version of this header.
12345 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12346 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12348 (hpux8_bogus_inlines): New fix, split from...
12349 (ultrix_atof_param) ... here.
12350 (math_expression): Add bypass entry keyed to glibc comment
12351 indicating the problem has been dealt with; disable
12352 unnecessary sed operations; update commentary.
12353 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12354 add select and bypass entries, simplify shell operation.
12355 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12357 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12358 ultrix_atof_param): Add select entry.
12359 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12360 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12361 comments with the fixes they describe.
12363 * c-parse.in (string action): Do not warn about ANSI string
12364 concatenation in system headers. Affects C parser only.
12365 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12367 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12369 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12370 compiling libgcc2 the macro depends always on arch cpp defines.
12372 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12374 * loop.c (insert_loop_mem): Don't record MEMs from inside
12377 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12379 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12381 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12382 notes too, create one when replacement failed, attempt to simplify
12384 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12385 or REG_EQUIV notes.
12387 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12389 * crtstuff.c (__dso_handle): Declare.
12390 (__cxa_finalize): Likewise.
12391 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12394 * invoke.texi: Document -fuse-cxa-atexit.
12396 * tree.h (ptr_type_node): Document.
12397 (const_ptr_type_node): Likewise.
12399 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12401 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12402 (optimize_reg_copy_2): Likewise.
12403 (optimize_reg_copy_3): Likewise.
12404 (fixup_match_2): Likewise.
12405 (regmove_optimize): Likewise.
12406 (fixup_match_1): Liekwise.
12408 * i386.md (HI to SImode promoting splitters): Rewrite.
12409 (pushsf mem peep2): New.
12410 (testhi to andhi peep2): Remove.
12411 * i386.h (x86_promote_QImode): New.
12412 (TARGET_PROMOTE_QImode): New.
12413 (PREDICATE_CODES): Add promotable_binary_operator.
12414 * i386.c (x86_promote_QImode0: New.
12415 (promotable_binary_operator): New.
12416 * i386-protos.h (promotable_binary_operator): New.
12418 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12420 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12422 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12424 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12425 * function.c (insert_block_after_note): Remove.
12426 (retrofit_block): Likewise.
12427 (identify_blocks): Fix indentation.
12428 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12429 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12430 * function.h (insert_block_after_note): Remove prototype.
12431 (retrofit_block): Likewise.
12432 * integrate.c (expand_inline_function): Don't call
12433 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12434 just expand_start_bindings. Use the block_map to remap old
12435 NOTE_BLOCKs to new ones.
12436 (integrate_decl_tree): Keep track of remapped blocks.
12437 * integrate.h (struct inline_remap): Add block_map.
12438 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12439 NOTE_BLOCK on the notes.
12440 (expand_start_bindings): Rename to ...
12441 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12442 (expand_end_bindings): Set NOTE_BLOCK.
12443 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12444 reconstruct the BLOCK tree.
12445 * tree.h (expand_start_bindings): Macroize. Call ...
12446 (expand_start_bindings_and_block): New function.
12448 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12450 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12451 to match the format.
12453 1999-12-16 David S. Miller <davem@redhat.com>
12455 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12456 the outputs is a SUBREG.
12457 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12460 * config/sparc/sparc.c (epilogue_renumber): Add default case
12463 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12465 * toplev.c (rest_of_compilation): Run branch shortening after
12468 * regclass.c (loop_depth): Remove
12469 (scan_one_insn): Do not handle LOOP_NOTE insns.
12470 (regclass): Go through basic blocks and set loop_cost
12472 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12474 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12476 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12478 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12479 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12480 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12482 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12484 * loop.c (insert_loop_mem): Ignore memory clobbers.
12486 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12489 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12491 * profile.c: Remove redundant #include "output.h".
12493 * h8300.md (HImode preinc peephole): Fix typo.
12495 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12497 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12498 (insert_block_after_note): Abort if we don't have a previous block.
12499 Remove FN parameter.
12500 * function.h: Adjust.
12502 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12504 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12505 argument more than once.
12507 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12509 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12511 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12513 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12515 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12517 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12518 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12519 update stack_alignment_needed.
12520 (prepare_function_start): Initialize stack_alignment_needed
12521 * function.h (struct function): Add field stack_alignment_needed.
12523 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12525 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12526 Handle live_throughout / dead_or_set instead of live_before /
12528 (save_call_clobbered_regs): Get register livenessinformation from
12529 chain->live_throughout.
12530 (add_stored_regs): New function.
12531 (insert_restore, insert_save): Add restored / saved registers to
12533 * global.c (reg_dies): New parameter chain.
12534 (reg_becomes_live): Third parameter is regs_set now.
12535 Changed all callers.
12536 (reg_dies): New parameter chain. Changed all callers.
12537 (build_insn_chain): Set live_throughout instead of
12538 live_before / live_after.
12539 * reload.h (struct insn_chain): Replace members live_before /
12540 live_after with live_throughout / dead_or_set.
12541 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12542 instead of live_before / live_after.
12543 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12544 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12545 (choose_reload_regs_init): Likewise.
12546 * stupid.c (current_chain, find_clobbered_regs): Delete.
12547 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12548 instead of chain->live_before / chain->live_after.
12549 (mark_hard_ref): New function.
12550 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12552 1999-12-15 David S. Miller <davem@redhat.com>
12554 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12556 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12558 * flow.c (calculate_loop_depth): Make global, remove prototype,
12559 rewrite to use new loop infrastructure.
12560 (find_basic_block): Remove calculate_loop_depth call.
12561 * toplev.c (rest_of_compilation): Call find_basic_block.
12562 * output.h (calculate_loop_depth): Declare.
12564 * flow.c (dump_flow_info): Dump loop_depth.
12565 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12567 (flow_loops_find): Initialize the loop_depth for each basic block.
12569 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12571 * tree.c (decl_function_context): Handle virtual functions.
12573 * tlink.c (scan_linker_output): Don't look in demangled name when
12574 looking for linker output keywords.
12576 * dwarfout.c (output_type): We can defer namespace-scope classes.
12578 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12580 * regclass.c (record_reg_classes): Update comment for merging
12581 register class preferences in reg->reg copies. Tighten conditions
12582 for merging register class preferences in reg->reg copies.
12584 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12586 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12588 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12590 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12591 (INIT_SECTION_ASM_OP): Delete.
12592 (FINI_SECTION_ASM_OP): Delete.
12593 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12595 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12597 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12598 the abstract origin wasn't emitted.
12600 * dwarf2out.c (class_scope_p): New fn.
12601 (gen_subprogram_die): Use it.
12602 (gen_variable_die): Use it. Tweak logic.
12603 (gen_struct_or_union_type_die): Check context_die to determine
12604 if we're function-local.
12605 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12607 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12609 * loop.c (check_dbra_loop): Can't reverse a biv that has
12610 maybe_multiple set.
12612 1999-12-14 Nick Clifton <nickc@cygnus.com>
12614 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12617 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12619 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12620 for givs made from biv increments.
12622 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12624 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12625 * alpha.c (override_options): Recognize -mcpu=ev67.
12626 * alpha.h (CPP_CPU_EV67_SPEC): New.
12627 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12628 (EXTRA_SPECS): Update.
12630 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12632 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12633 appropriate for -lang-c89 and -std=*.
12634 * cppinit.c (cpp_handle_option): Likewise.
12635 (new_pending_define): New, split out from cpp_handle_option.
12636 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12637 or enable trigraphs for -ansi/-std=*.
12639 * ginclude/stdarg.h (__va_copy): New.
12640 (va_copy): Don't define for C89.
12642 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12644 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12645 for long long multiply-accumulate.
12647 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12649 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12650 optimizing for size.
12652 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12654 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12655 if something changed. Back out that part of yesterday's changes.
12657 * loop.c (loop_max_reg): New static variable.
12658 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12660 (scan_loop): Call reg_scan_update whenever we may have added new
12661 registers, and update loop_max_reg.
12663 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12665 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12666 when source does not die.
12668 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12670 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12672 * config/sparc/linux64.h (TARGET_LIVE_G0,
12673 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12675 * config/sparc/linux.h (TARGET_LIVE_G0,
12676 TARGET_BROKEN_SAVERESTORE): Likewise.
12677 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12678 TARGET_BROKEN_SAVERESTORE): Likewise.
12680 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12681 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12683 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12684 as sparc64 block profiling register.
12685 * config/sparc/sparc.c (sparc_override_options): Allow block
12686 profiling with -m32.
12687 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12688 profiling register.
12689 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12690 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12691 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12693 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12695 * config/sparc/sparc.h: Likewise.
12696 * config/sparc/xm-sysv4-64.h: Likewise.
12697 * config/float-sparc.h: Likewise.
12698 * glimits.h: Likewise.
12699 * longlong.h: Likewise.
12701 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12702 (ASM_IDENTIFY_GCC): Remove.
12704 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12706 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12707 (simplify_logical): Likewise.
12709 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12711 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12712 * cppfiles.c (INO_T_EQ): Likewise.
12714 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12716 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12717 * i386/mingw32.h (LIB_SPEC): Likewise.
12718 (STARTFILE_SPEC): Likewise.
12719 * i386/uwin.h (LIB_SPEC): Likewise.
12720 (STARTFILE_SPEC): Likewise.
12722 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12723 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12725 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12727 * combine.c (combine_simplify_rtx): Fix order of checks for
12728 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12730 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12732 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12733 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12735 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12737 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12739 * regclass.c (inv_reg_alloc_order): New array.
12740 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12742 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12743 counted_for_groups, counted_for_nongroups. Add fields rld and
12745 * reload.c (push_secondary_reload): Don't set nongroup field of
12747 (push_reload): Likewise.
12748 (find_reloads): Delete code to compute nongroup fields.
12749 * reload1.c (reload_insn_firstobj): New static variable.
12750 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12752 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12753 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12754 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12756 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12758 (struct hard_reg_n_uses): Deleted.
12759 (potential_reload_regs): Deleted.
12760 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12761 (reload): Don't try to allocate reload registers if we already know
12762 we have to make another pass. Call select_reload_regs. Free memory
12763 starting with reload_firstobj when starting another pass.
12764 Don't allocate spilled_pseudos.
12765 (calculate_needs_all_insns): Call copy_reloads for an insn that
12766 needs reloads; don't call calculate_needs.
12767 (spill_cost): New static array.
12768 (used_spill_regs_local): New static variable.
12769 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12770 to compute potential_reload_regs.
12771 (find_reload_regs): Completely rewritten to use find_reg.
12772 (allocate_reload_reg): Don't test counted_for_groups or
12773 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12774 all cllers changed.
12775 (choose_reload_regs): Add fallback code that uses the existing
12776 register allocation from find_reload_regs.
12778 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12780 * flow.c (create_edge_list): Cast xmalloc return value.
12782 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12784 * doprnt.c: Remove incorrect comment closure.
12786 * cse.c: Fix a few minor whitespace goofs.
12788 1999-12-13 Don Bowman <don@pixstream.com>
12790 * mips/vxworks.h: Fix problem with comment termination.
12791 (EXTRA_SECTIONS): Add in_sbss.
12792 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12794 1999-12-12 David S. Miller <davem@redhat.com>
12796 * cse.c (struct cse_reg_info): Add hash_next member,
12797 reorder rest of struct for better packing on 64-bit
12799 (cse_reg_info_tree): Kill.
12800 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12801 REGHASH_FN): New custom pow2 hash mechanism.
12803 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12804 use a pow2 hash table.
12805 (get_cse_reg_info): Rework to use new REGHASH.
12806 (new_basic_block): Likewise, use HASH_SIZE, and inline
12808 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12809 and inline free_element call.
12810 (lookup_as_function, insert, flush_hash_table, invalidate,
12811 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12812 invalidate_for_call, use_related_value, find_comparison_args,
12813 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12814 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12815 get_element): Kill.
12817 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12819 * cse.c (cse_basic_block): Free qty_table consistently.
12821 1999-12-12 David S. Miller <davem@redhat.com>
12822 Jakub Jelinek <jakub@redhat.com>
12824 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12825 SUBREGs by hand, gen the appropriate hard reg directly.
12826 (movtf reg/mem split): Likewise and alter_subreg on destination
12828 (movtf mem/reg split): Similarly.
12829 (movdf_cc_sp64): Rename from hidden pattern.
12830 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12831 (movtf_cc_sp64, following split): New pattern and splitter.
12832 (movdf_cc_reg_sp64): Rename from hidden pattern.
12833 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12835 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12837 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12839 * loop.c (load_mems): Don't hoist written floating point mem
12842 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12844 * except.h (struct eh_queue): Add `next' pointer.
12845 (struct eh_status): Make x_ehqueue a pointer.
12846 (push_ehqueue): Declare.
12847 (pop_ehqueue): Likewise.
12848 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12850 (expand_fixup_region_end): Likewise.
12851 (expand_leftover_cleanups): Likewise.
12852 (push_ehqueue): Define.
12853 (pop_ehqueue): Likewise.
12854 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12855 than doing it inline.
12856 (expand_start_all_catch): Adjust now that ehqueue is a
12858 (mark_eh_queue): Mark all level of the queue.
12859 (mark_eh_status): Adjust now that ehqueue is a
12861 (init_eh_for_function): Allocate ehqueue.
12862 (free_eh_status): Free it.
12863 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12864 expansion for a fixup.
12866 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12868 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12870 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12871 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12872 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12873 function_ptr, getpagesize, __enable_execute_stack,
12874 __enable_execute_stack, __clear_insn_cache,
12875 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12876 _cleanup, _exit, __default_terminate, __terminate_func,
12877 __terminate, __empty, __throw, new_eh_context,
12878 eh_context_initialize, eh_context_static, eh_context_specific,
12879 get_eh_context, __get_eh_context, __get_eh_info,
12880 init_reg_size_table, eh_threads_initialize,
12881 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12882 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12883 __pure_virtual): Add prototype arguments.
12884 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12885 Cast a signed value to unsigned long when comparing against one.
12886 (new_eh_context): Wrap in _GTHREADS macro.
12887 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12889 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12890 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12892 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12894 * combine.c (record_promoted_value): Remove unused variable
12897 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12899 * global.c (record_conflicts): Likewise for `j'.
12901 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12904 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12906 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12907 output_fp_compare): Constify a char*.
12909 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12911 (override_options, ix86_comp_type_attributes, print_operand,
12912 output_387_binary_op, output_fix_trunc, output_fp_compare):
12914 (ix86_sched_reorder): Mark parameter `clock_var' with
12917 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12919 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12921 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12922 operand, for use in the Java front-end.
12924 1999-12-10 Ben Collins <bcollins@debian.org>
12926 * configure.in: Fix typo for "-64" in 64bit as check.
12927 * configure: Rebuilt.
12929 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12931 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12934 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12936 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12937 concatenation is utilized.
12939 * invoke.texi (-Wtraditional): Document it.
12941 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12943 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12944 Cast a ptrdiff_t to long and pass it to printf with %ld.
12946 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12948 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12949 68881, we have no 68881 registers at all.
12950 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12951 value in a 68881 register if it is available.
12953 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12955 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12956 for long long multiply-accumulate.
12958 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12960 * loop.c (insert_loop_mem): Undo last change.
12962 1999-12-10 David S. Miller <davem@redhat.com>
12964 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12966 * config/sparc/sparc-protos.h: Add them.
12967 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12968 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12969 constraints which use those helpers.
12970 (EXTRA_CONSTRAINT): Use this new macro.
12971 * md.texi: Update sparc target constraints documentation.
12972 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12973 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12974 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12975 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12976 (movsf high/lo_sum split): Rework for new patterns.
12977 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12979 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12981 * c-common.c (c_common_nodes_and_builtins):
12982 Create __builtin_ptrdiff_t and __builtin_size_t.
12984 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12986 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12988 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12990 * regclass.c (globalize_reg): Re-instate test that allows
12991 fixed registers to be declared as a variable even after functions
12994 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12996 * i386.md (cpu attribute): Add "athlon".
12997 (athlon_decode): New attribute.
12998 (Athlon scheduling units definitions): New.
12999 (fcmp and shld patterns): Set athlon_decode to "vector".
13000 * i386.c (athlon_cost): New.
13002 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13003 x86_use_sahf): Set for Athlon.
13004 (x86_use_fiop): Unset for Athlon.
13005 (override_options): Define Athlon alignments and "athlon" name.
13006 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13007 * i386.h (TARGET_ATHLON): New.
13008 (enum processor_type): Add PROCESSOR_ATHLON.
13009 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13011 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13013 1999-12-09 Andreas Jaeger <aj@suse.de>
13015 * loop.c (record_biv): Declare parameter as int.
13017 * config/i386/i386-protos.h: Declare long_memory_operand.
13019 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13021 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13022 EXPR_WITH_FILE_LOCATION.
13024 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13026 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13029 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13031 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13034 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13036 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13037 default on linux64 again.
13038 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13039 models for multilibing.
13040 * genmultilib: Accept | as alternative separator within a set in
13043 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13045 * calls.c (precompute_arguments): Make sure initial_value contains
13046 value pseudo which CSE expects.
13047 * cse.c (struct set): New entry orig_src.
13048 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13051 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13053 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13055 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13057 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13059 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13061 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13062 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13064 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13067 * longlong.h: Merge in changes from glibc.
13068 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13069 -mno-app-regs libgcc can be compiled.
13070 * libgcc2.c: Add defines so that the updated longlong.h
13071 can be used in libgcc2.a. Also, make sure on most architectures
13072 (at least on all which have optimized code in longlong.h defined
13073 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13075 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13077 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13078 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13079 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13081 * configure: Rebuilt.
13083 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13085 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13086 outputs require a register.
13088 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13090 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13091 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13092 functions like dptoul will be resolved.
13093 (libgcc2.a): Make sure that the object files from DPBIT are named
13094 differently (prefix `_dp') from those that would be coming from
13097 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13099 * configure.in: When target is sparc* and tm_file contains 64,
13100 test for 64bit support in assembler. If not supported, remove
13101 sparc/t-sol2-64 from target-dependent Makefile fragments.
13102 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13103 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13104 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13105 * acconfig.h (AS_SPARC64_FLAG): Added.
13106 * configure, config.in: Rebuilt.
13107 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13108 support. Use AS_SPARC64_FLAG.
13110 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13112 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13113 suitable for holding OFmode values so that gcc works with complex
13115 (hard_64bit_mode_classes): Likewise.
13117 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13118 so that it is actually matched.
13119 (sethi_di_medlow): Likewise.
13121 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13122 as legitimate constant if -mvis.
13123 * config/sparc/sparc.md (movtf): Likewise.
13124 (clear_sf): Use const_double_operand.
13125 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13127 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13128 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13129 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13130 routines, _Qp_* cannot be handled like that now.
13131 (INIT_TARGET_OPTABS): Likewise.
13132 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13133 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13134 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13135 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13136 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13137 divtf3, sqrttf3): New expanders.
13138 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13139 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13140 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13143 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13144 * configure: Rebuilt.
13145 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13146 -mcpu is given and we're doing 64bit compiles.
13148 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13150 * loop.h (struct induction): Add multi_insn_incr.
13151 * loop.c (basic_induction_var): New multi_insn_incr argument.
13152 Set it if we search back through previous insns for the biv.
13153 (record_biv): New multi_insn_incr argument; fill in struct induction.
13154 (strength_reduce): Discard an iv with multiple bivs, any of
13155 which require multiple insns to increment.
13157 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13159 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13162 1999-12-06 David S. Miller <davem@redhat.com>
13164 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13165 PROMOTE_FUNCTION_RETURN.
13167 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13169 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13170 and handle REG_UNUSED note on insn.
13172 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13173 inner_mask instead of mask.
13175 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13177 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13178 zero if there was an error.
13180 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13182 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13185 * longlong.h: Fix clobbers in SPARC asm statements.
13187 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13188 valid sethi operations when TARGET_ARCH64.
13190 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13191 always use move_by_pieces to avoid infinite recursion.
13192 (restore_fixed_argument_area): Likewise.
13194 * combine.c (check_promoted_subreg, record_promoted_value): New
13196 (combine_instructions): Use them to retain nonzero and sign bit
13197 information after SUBREGs are eliminated by optimizations in
13198 this pass if PROMOTE_FUNCTION_RETURN.
13200 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13201 .register declaration. Don't use variables with __ prefixes.
13203 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13205 * fold-const.c (optimize_bit_field_compare): Only use one mode
13206 for both RHS and LHS in non-constant case.
13208 1999-12-06 Nathan Sidwell <nathan@acm.org>
13210 * frame.c (start_fde_sort): Only allocate erratic array, if
13211 linear one was allocated. Return allocated flag.
13212 (fde_insert): Only insert, if there's a valid array.
13213 (fde_end_sort): Split, sort and merge if linear and erratic
13214 arrays exist, else just sort linear one.
13215 (search_fdes): New function. Linear search through original fde
13217 (frame_init): Permit multiple initializations. Cope with
13219 (find_fde): Fallback on linear search, if failed to sort array.
13220 (__deregister_frame_info): Only free sorted array, if we
13223 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13225 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13227 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13229 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13231 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13233 * tree.h (special_function_p): Declare.
13234 * calls.c (special_function_p): Make it global. Don't take `name'
13235 as a parameter. Fix typo in 1999-11-28 change.
13236 (expand_cal): Adjust.
13238 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13240 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13241 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13242 EXPR_WFL_FILENAME_NODE.
13243 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13245 * print-tree.c (print_note): Print TREE_PRIVATE and
13248 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13249 the original die cannot be found.
13251 * varray.h (varray_head_tag): Add elements_used.
13252 (VARRAY_PUSH): New macro.
13253 (VARRAY_POP): Likewise.
13254 (VARRAY_TOP): Likewise.
13255 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13257 * varray.c (varray_init): Initialize elements_used.
13258 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13259 (INTEGRATE_H): New variable.
13260 (integrate.o): Depend on INTEGRATE_H.
13261 (unroll.o): Likewise.
13263 * function.h (insert_block_after_note): Declare.
13264 * function.c (insert_block_after_note): Split out from ...
13265 (retrofit_block): ... here.
13267 * stmt.c (expand_fixup): Fix typo in comment.
13269 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13271 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13272 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13273 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13274 (regmove_optimize, fixup_match_1): Likewise.
13276 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13278 * flow.c (flow_loops_dump): Add missing argument when calling
13279 flow_loop_nested_p.
13281 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13282 Greg McGary <gkm@gnu.org>
13284 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13285 (init_attributes): Add A_NO_LIMIT_STACK.
13286 (decl_attributes): Handle A_NO_LIMIT_STACK.
13287 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13288 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13289 Handle stack bounds checking.
13290 * flags.h (flag_stack_check): Use the word 'probe' rather than
13291 'check', because the flag doesn't actually cause any checking to
13293 * function.c (expand_function_start): Set
13294 current_function_limit_stack.
13295 * function.h (struct function): Add limit_stack.
13296 (current_function_limit_stack): Define.
13297 * invoke.texi (Code Gen Options): Document new options.
13298 * rtl.h: Declare stack_limit_rtx.
13299 * toplev.c (stack_limit_rtx): New variable.
13300 (decode_f_option): Handle new options -fstack-limit-register=REG,
13301 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13302 (main): Add stack_limit_rtx as GC root.
13303 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13304 (struct tree_decl): New member no_limit_stack.
13306 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13308 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13309 (conditional_trap+1): Get new mnemonic correct.
13310 (conditional_trap+2): New pattern for DImode traps.
13312 * config/m68k/m68k.c (output_function_prologue): Handle
13314 * config/m68k/m68k.md (trap): New insn.
13315 (conditional_trap): New insn.
13316 * md.texi (Standard Names): Document `trap' and
13317 `conditional_trap'.
13318 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13319 so a cc0 setter doesn't get emitted at some random place in the
13322 * config/i960/i960.md (trap): New insn.
13323 (conditional_trap): New expander.
13324 (conditional_trap+1, conditional_trap+2): New insns for signed
13325 and unsigned cases.
13326 * config/i960/i960.c (i960_function_prologue): Use
13327 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13329 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13330 Geoffrey Keating <geoffk@cygnus.com>
13332 * flags.h (warn_padded, warn_packed): Add global var decls.
13333 * toplev.c (warn_padded, warn_packed): Add global var defns.
13334 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13335 * stor-layout.c (layout_record): Add local variable `type'
13336 to hold often-used TREE_TYPE (field). Add local variable
13337 `unpacked_align' to hold alignment that would be in force
13338 if no `packed' attribute were present. Warn if `packed' attribute
13339 is unnecessary, or even harmful. Warn when gcc inserts padding
13340 to satisfy alignment requirements of members. Use NULL_TREE
13341 when checking whether var_size is set.
13342 * invoke.texi: Document new flags.
13344 1999-12-03 Nathan Sidwell <nathan@acm.org>
13346 * frame.c (fde_split): Reimplement to avoid variable sized array.
13348 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13350 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13351 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13353 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13355 * invoke.texi: Document the mips option -mno-crt0
13357 1999-12-02 Mike Karr <mkarr@mathworks.com>
13359 * cccp.c (argdata): Added free_ptr member.
13360 (macroexpand): Initialize free_ptr of each argument. When an
13361 argument's buffers are freed, if the argument's free_ptr corresponds
13362 to a buffer on the input stack, then return the free_ptr to that stack
13363 frame, otherwise, free it.
13364 (macarg): If an argument begins and ends on the same input stack level,
13365 then transfer the free_ptr of that buffer to the argument in case
13366 the stack is popped during the processing of a subsequent argument.
13368 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13370 * loop.c (note_reg_stored): New function.
13371 (struct note_reg_stored_arg): New structure.
13372 (try_copy_prop): Change to be more conservative; only replace within
13373 one extended basic block and stop replacing if a store to the
13374 replacement reg is seen.
13376 1999-12-02 Nick Clifton <nickc@cygnus.com>
13378 * config/fp-bit.c: Initialise all fields of the NAN
13381 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13384 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13386 * i386.md (extend?f?f2): Force the input into a register, not
13389 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13391 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13393 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13394 alternative because setting up 64bit constant is usually costly,
13395 especially when reload is in progress or completed.
13396 (movdf_const_intreg_sp64): Likewise.
13397 (movdf_const_intreg split): Fix building up constants when
13398 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13400 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13402 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13403 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13406 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13407 (asm_file_start): Emit .am33 into assembly file when compiling for
13409 (print_operand_address): Handle POST_INC addresses.
13410 (can_use_return_insn, initial_offset): Check AM33 registers too.
13411 (expand_prologue): Check & save AM33 registers too.
13412 (expand_epilogue): Similarly.
13413 (secondary_reload_class): Handle AM33 specific secondary reloads.
13414 (output_tst): Emit efficient code for the AM33 too.
13415 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13416 (TARGET_SWITCHES): Add -mam33 switch.
13417 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13418 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13419 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13420 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13421 (enum reg_class, REG_CLASS_NAMES): Likewise.
13422 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13423 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13424 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13425 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13426 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13427 (HAVE_POST_INCREMENT): Define.
13428 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13429 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13430 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13431 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13432 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13433 (zero_extend to SI from QI/HI): Likewise.
13434 (sign_extend to SI from QI/HI): Likewise.
13435 (mulsidi3, umulsidi3): New patterns for the AM33.
13436 (tstsi with zero extension from QI/HI): Add AM33 variants.
13437 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13438 (return_internal_regs, store_movm): Handle new AM33 registers.
13439 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13440 (LIBGCC, INSTALL_LIBGCC): Likewise.
13441 * invoke.texi: Document new flags.
13443 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13445 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13446 (addsi3_carry): Likewise.
13447 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13448 (sbbsi3_carry): Likewise.
13449 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13450 (mulhi3): Likewise.
13451 (test?i_1): Ensure that only one operand is memory.
13452 (conditional move patterns): likewise.
13453 (shift and rotate patterns): Rewrite to expander, add
13454 "binary_operator_ok" to the condition.
13456 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13457 * i386.h (procesor_costs): Add movzbl_load field.
13458 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13459 non-Q registers, accept DImode registers anywhere.
13461 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13462 * i386.c (*_cost): Set value for movxbl_load field.
13464 * (addsi): New add to lea splitter.
13465 (ashlsi): Likewise.
13466 (lea to add/shift peep2): New.
13468 1999-12-01 Mark Salter <msalter@cygnus.com>
13470 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13471 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13472 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13474 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13476 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13477 * i386.md (movsi_xor): New.
13479 (movsi_1, movhi_1, movqi_1): Remove.
13480 (movsi_2): Rename to movsi_1.
13481 (movhi_2): Rename to movhi_1.
13482 (movqi_2): Rename to movqi_1.
13483 (movdi_1): Remove; remove splitter.
13484 (movdi_2): Rename to movdi_1.
13485 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13486 (long move peep2): Do not create QI or HI mode mov0s
13487 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13489 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13492 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13493 (abs?f2_if): Likewise.
13495 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13497 * ggc.h (ggc_test_and_set_mark): New macro.
13498 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13499 (ggc_mark_tree): Likewise.
13500 (ggc_mark_rtvec): Likewise.
13501 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13503 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13505 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13507 (decl_scope_table): Just an array of trees now.
13508 (push_decl_scope): Simplify.
13509 (dwarf2out_init): Adjust.
13510 (local_scope_p): New fn.
13511 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13512 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13513 (gen_typedef_die): Likewise.
13514 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13515 (gen_inlined_subroutine_die): Likewise.
13516 (gen_abstract_function): Set current_function_decl temporarily.
13517 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13518 Handle block extern declarations. Don't call push/pop_decl_scope.
13519 (gen_decl_die): Fix logic for block externs.
13521 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13523 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13524 to the list of functions which have attribute malloc by default.
13526 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13528 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13529 integer constant does not match the traditional type, limit the
13530 warnings to cases where the base of the type is ten.
13532 * invoke.texi (-Wtraditional): Document it.
13534 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13536 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13537 * rs6000.md: Only access a CONST_INT with INTVAL
13539 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13541 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13542 (compute_nearerout): Likewise.
13543 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13544 size_t to unsigned long for formatting.
13546 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13548 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13549 Allow the user to override call-used/fixed state of %g2-5
13550 registers from the command line (with the exception of %g4 for
13552 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13553 there is a higher chance of having a leaf function.
13554 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13555 for ARCH64 which has %ccr register.
13556 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13558 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13559 insn accept into delay slot any insn which does not use %[ol]
13560 registers. Accept some LO_SUM and shift left by 1 for the normal
13562 (output_function_epilogue): Likewise.
13563 (epilogue_renumber): Added argument which inhibits any renumbering
13564 and just tests if the rtx does not use any %[ol] registers.
13565 (output_return): Reflect above change.
13567 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13569 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13570 aggregate passing for sizes <= 16 bytes.
13572 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13574 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13575 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13576 * reload.c (find_dummy_reload): Likewise.
13577 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13578 * reload1.c (reload_as_needed): Likewise.
13579 * stupid.c (stupid_find_reg): Likewise.
13580 * tm.texi (Obsolete Register Macros): Delete section.
13581 * gmicro.h: Remove all traces of the two macros.
13582 * i386.h: Likewise.
13583 * m88k.h: Likewise.
13584 * mips.h: Likewise.
13586 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13588 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13589 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13590 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13591 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13592 units for the sparclite86x chip.
13593 (flush): Revert October 14th change; add SImode specifically.
13594 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13595 * invoke.texi: Document it.
13597 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13599 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13600 psimode_truncation_operand.
13602 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13603 function. Return true if the operand is either a MEM valid
13604 for a PSImode address or not a MEM at all.
13606 * config/mn10200/mn10200.md (truncsipsi2): Use
13607 psimode_truncation_operand.
13609 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13611 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13612 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13613 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13614 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13615 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13616 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13617 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13618 * basic-block.h: Protect from multiple inclusion.
13619 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13620 (struct loops, struct loop): Define structures.
13621 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13622 * sbitmap.h: Protect from multiple inclusion.
13623 (sbitmap_a_subset_b_p): Add prototype.
13624 * Makefile.in (LOOP_H): New macro.
13625 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13627 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13629 * cppinit.c (CAT): The argument list of this macro may not contain
13632 1999-11-29 David S. Miller <davem@redhat.com>
13634 Move quantity tables and register equivalence chains into
13635 per-qty and per-register structure arrays respectively.
13636 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13637 qty_const_insn, qty_comparison_code, qty_comparison_const,
13638 qty_comparison_qty): Delete, replace with...
13639 (qty_table): this structure table.
13640 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13641 (reg_eqv_table): this structure table.
13642 (make_new_qty): Add argument MODE. Caller updated.
13643 Update to use qty_table and reg_eqv_table.
13644 (make_regs_eqv, delete_reg_equiv, insert_regs,
13645 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13646 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13647 cse_process_notes, cse_main, cse_basic_block): Likewise.
13649 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13651 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13652 operation if C is negative.
13653 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13654 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13655 law for some divisions if constant is negative and change other
13656 divisions to the opposite rounding.
13658 * expr.c (store_constructor_field): If bit position is not multiple
13659 of alignment of TARGET's mode, use BLKmode.
13661 * expr.c (expand_expr_unaligned): Add more code from full case
13662 that is needed when OP0 is in a register.
13664 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13666 * dwarfout.c (field_byte_offset): Size can be zero if there was
13669 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13671 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13672 (associate_trees): Delete unused var TEM.
13673 (extract_muldiv): Delete unused var CANCEL_P.
13675 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13676 (target_isinf, target_isnan, target_negative): Add return types to
13677 function definitions.
13679 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13681 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13682 * fixinc/hackshell.tpl: ditto
13683 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13684 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13686 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13688 * reload.c (push_reload): When looking for a register to put into
13689 reg_rtx, make sure all hard regs in a multi-reg register are in the
13690 right class and nonfixed.
13692 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13693 pending_read_insns, pending_write_insns, pending_read_mems,
13694 pending_write_mems, pending_list_length, last_pending_memory_flush,
13695 last_function_call, sched_before_next_call): Move static variables
13697 (bb_ prefixed versions): Replace with single array bb_deps.
13698 (struct deps): New structure.
13699 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13700 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13701 argument of type "struct deps *"; use that instead of global
13702 variables. All callers changed.
13703 (init_rgn_data_dependencies): Delete function.
13704 (init_rtx_vector): Delete function.
13705 (init_deps): New function.
13707 (free_pending_lists): Simplify, we always use the bb_deps array even
13708 if only one basic block.
13709 (compute_block_backward_dependences): Likewise.
13710 (schedule_region): Likewise.
13712 (propagate_deps): New function, broken out of
13713 compute_block_backward_dependences.
13714 (compute_block_backward_dependences): Use it.
13716 * alpha.md: Delete useless patterns that tried to work around
13717 register elimination problems.
13719 * unroll.c (loop_iterations): Don't abort if iteration variable
13722 From Joern Rennecke:
13723 * reload1.c (reloads_conflict): Reverse test comparing operand
13724 numbers when testing for conflict between output/outaddr reloads.
13726 1999-11-29 David S. Miller <davem@redhat.com>
13728 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13730 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13732 1999-11-28 Robert Lipe <robertl@cygnus.com>
13734 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13735 table from .fini into .dtor.
13737 1999-11-28 Anthony Green <green@cygnus.com>
13739 * tree.h (struct tree_decl): Add malloc_flag.
13740 (DECL_IS_MALLOC): Define.
13741 * c-common.c (attrs): Add A_MALLOC attribute.
13742 (init_attributes): Add this attribute to the table.
13743 (decl_attributes): Handle malloc attribute.
13744 * calls.c (special_function_p): Check for the malloc attribute.
13745 * extend.texi (Function Attributes): Document malloc attribute.
13747 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13749 * pa.md (reload shift-add patterns): Remove.
13751 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13753 * reorg.c (dbr_schedule) Print more statistics. Corrected
13754 problem when printing info when 3 delay slots are filled.
13756 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13758 * combine.c (setup_incoming_promotions): Pass an outgoing
13759 regno to FUNCTION_ARG_REGNO_P which it expects.
13761 1999-11-28 Andreas Jaeger <aj@suse.de>
13763 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13765 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13767 * cccp.c (do_include): Avoid initialization of automatic variable.
13769 * integrate.c (mark_stores): Function definition made void, to match
13770 previous declaration.
13771 * regclass.c (dump_regclass): Ditto.
13772 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13774 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13776 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13777 known to be multiple of divisor.
13779 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13781 * combine.c (try_combine): Add code to try to merge a set of a
13782 two-word pseudo to a constant with a setting of one of those words
13785 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13786 (split_tree): Completely rework to make more general.
13787 (make_range, fold): Call negate_expr.
13788 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13789 (fold, associate): Call new split_tree and associate_trees.
13790 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13792 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13794 * loop.c (try_copy_prop): Avoid GNU C extension.
13796 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13798 * except.c (init_eh_for_function): Still zero eh_return_context,
13799 eh_return_stack_adjust, and eh_return_handler.
13801 * except.h (eh_status): Adjust documentation for x_protect_list.
13802 (begin_protect_partials): New function.
13803 * except.c (enqueue_eh_entry): Fix formatting.
13804 (get_first_handler): Add consistency check.
13805 (add_partial_entry): Adjust usage of protect_list.
13806 (emit_cleanup_handler): Save and restore ehqueue.
13807 (expand_start_all_catch): Add comment.
13808 (begin_protect_partials): New function.
13809 (end_protect_partials): Adjust usage of protect_list.
13810 (init_eh_for_function): Use xcalloc.
13812 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13814 * c-common.c (check_format_info): Don't call a variadic function
13815 with a non-literal format string.
13817 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13819 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13820 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13823 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13826 * collect2.c (collect_wait): Likewise.
13828 * dbxout.c (dbxout_type): Likewise.
13830 * gcc.c (do_spec_1): Likewise.
13832 * genemit.c (gen_insn, gen_expand): Likewise.
13834 * genrecog.c (write_switch, write_subroutine): Likewise.
13836 * mips-tfile.c (catch_signal, botch): Likewise.
13838 * print-rtl.c (print_rtx): Likewise.
13840 * toplev.c (default_print_error_function, report_error_function,
13841 _fatal_insn): Likewise.
13843 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13845 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13847 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13849 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13850 operations when needed.
13851 * i386.md (fop_?f_comm): New.
13852 (fop_?f_1): Do not accept commutative operands.
13854 1999-11-25 Andreas Jaeger <aj@suse.de>
13856 * config/mips/mips.md (casesi_internal): Add missing brace.
13858 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13860 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13861 (splice_child_die): Handle moving a child DIE from the declaration
13862 DIE of a class to its specification.
13863 (gen_struct_or_union_type_die): Use 'complete' consistently.
13864 (gen_decl_die): Generate the virtual context DIE first.
13865 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13867 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13869 * config/mips/mips.md (call_value_multiple_interanal1): New.
13871 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13873 * dwarf2out.c (free_AT, free_die): New fns.
13874 (remove_children): Call them.
13875 (output_line_info): Disable removal of duplicate notes.
13877 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13878 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13879 means pretend the type isn't defined.
13880 Don't defer emitting types.
13881 (gen_type_die_for_member): New fn.
13882 (gen_decl_die): Call it.
13883 (splice_child_die): New fn.
13884 (gen_member_die): Call it rather than generate duplicate dies.
13886 Defer emitting information for the abstract instance of an inline
13887 until we either inline it or emit an out-of-line copy.
13888 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13889 from output_inline_function if DECL_ABSTRACT is also set.
13890 (block_ultimate_origin): Likewise.
13891 (gen_abstract_function): New fn.
13892 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13893 (gen_subprogram_die): An abstract instance is not a declaration
13894 just because it doesn't match current_function_decl. Don't abort
13895 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13896 has an abstract origin.
13897 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13898 abstract instance here.
13900 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13902 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13903 where we need to reload fpul from a system register.
13905 1999-11-24 Andreas Jaeger <aj@suse.de>
13907 * config/mips/linux.h (CPP_PREDEFINES): Added.
13908 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13910 1999-11-24 Andreas Jaeger <aj@suse.de>
13912 * config/mips/linux.h (TARGET_VERSION): Added.
13913 (HANDLE_SYSV_PRAGMA): Added.
13914 (DEFAULT_VTABLE_THUNKS): Added.
13916 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13918 * local-alloc.c (qty): New structure and static variable.
13919 (qty_phys_reg): Remove, all references changed to qty.
13920 (qty_n_refs): Likewise.
13921 (qty_min_class): Likewise.
13922 (qty_birth): Likewise.
13923 (qty_death): Likewise.
13924 (qty_size): Likewise.
13925 (qty_mode): Likewise.
13926 (qty_n_calls_crossed): Likewise.
13927 (qty_alternate_class): Likewise.
13928 (qty_changes_size): Likewise.
13929 (qty_first_reg): Likewise.
13930 (alloc_qty): Rename variable QTY to QTYNO.
13931 (finf_free_reg): Likewise.
13932 (local_alloc): Allocate qty, do not allocate the removed variables.
13934 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13936 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13937 when -membedded-pic is passed.
13939 * config/mips/mips.md (casesi): Handle 64-bit case too.
13940 (casesi_internal_di): New insn.
13942 * config/mips/mips.c (embedded_pic_offset): Always make the
13943 embedded-pic subtractions relative to the name of the current
13944 function by use of the magic string "..CURRENT_FUNCTION".
13945 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13947 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13949 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13950 of (const_int 0), when what we really care about is
13951 whether it's a zero constant anyway.
13952 (div_trap_mips16): Likewise.
13954 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13956 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13957 unroll_block_trees when generating debuggable code.
13959 * tree.h (unsave_expr_1): New function.
13960 (lang_unsave): New variable.
13961 (get_callee_fndecl): New function.
13962 * tree.c (unsave_expr_now_r): New function.
13963 (lang_unsave): Define.
13964 (unsave_expr_1): Likewise.
13965 (unsave_expr_now_r): Split out from unsave_expr_now.
13966 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13967 call unsave_expr_now_r.
13968 (get_callee_fndecl): Define.
13970 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13971 (gencheck.o): Do depend on lang_tree_files.
13973 * integrate.h (copy_decl_for_inlining): New declaration.
13974 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13975 (copy_decl_for_inlining): New function.
13976 (integrate_parm_decls): Use it.
13977 (integrate_decl_tree): Likewise.
13979 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13981 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13982 the second two from the first.
13983 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13984 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13985 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13987 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13988 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13991 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13993 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13994 needed on the address operand.
13995 * pa.c (call_operand_address): Check for the correct mode.
13997 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13999 * loop.c: Include "basic-block.h".
14000 (try_copy_prop, replace_loop_reg): New functions.
14001 (load_mems): Detect registers that just hold copies of the hoisted
14002 mem, and call try_copy_prop to eliminate them.
14003 * Makefile.in (loop.o): Update dependencies.
14005 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14007 * Makefile.in (gencheck.o): Depend on gencheck.h.
14008 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14009 (insn-peep.o): Depend on except.h and function.h.
14010 (insn-attrtab.o): Depend on RECOG_H.
14011 (insn-output.o): Depend on toplev.h and flags.h.
14012 (gengenrtl.o): Depend on real.h.
14013 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14014 Unify all dependencies to be on RECOG_H rather than recog.h.
14016 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14018 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14019 * configure.in: Try building a bi-arch 32/64-bit compiler on
14020 sparc-*-solaris2.7 and higher.
14021 * configure: Rebuild.
14023 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14025 * config/freebsd.h: New, FreeBSD architecture independent file.
14026 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14027 independent pieces.
14028 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14029 directly by i386/freebsd.h.
14030 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14031 independent configuration file.
14032 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14033 directly by i386/freebsd.h.
14034 * configure: Rebuilt.
14036 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14037 which is in the user's namespace.
14038 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14039 `i386' which is not in our namespace.
14041 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14043 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14045 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14047 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14048 (add_dwarf_attr, add_child_die): Just push onto the front.
14049 (reverse_die_lists): New fn.
14050 (add_sibling_attributes): Use it.
14051 (push_decl_scope): Reorganize.
14052 (add_name_and_src_coords_attributes): Don't set file and line for
14053 an artificial decl.
14054 (gen_subprogram_die): An artificial function doesn't need to match
14056 (gen_compile_unit_die): Return the generated die. Only add
14057 AT_comp_dir if the filename is relative.
14058 (remove_AT): Simplify loop. Also free string values.
14059 (output_die): A DIE ref can't be null.
14060 (output_value_format, value_format): Take a dw_attr_ref.
14061 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14062 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14063 AT_addr, AT_lbl): New fns.
14064 (various): Use them.
14065 (various): Constify.
14067 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14069 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14070 take SUBREG_WORD into account.
14071 (if_then_else_cond): Likewise.
14073 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14075 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14076 clause from BSD license, pursuant with
14078 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14080 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14082 * loop.c (load_mems): Reformat slightly.
14083 * basic-block.h (regset_head): New typedef.
14084 (INIT_REG_SET): New macro.
14086 1999-11-22 Bruce Korb <autogen@linuxbox.com
14088 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14089 (mips-dec-bsd*): non-functional code
14090 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14092 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14093 added three replacement fixes
14094 (no_double_slash): removed comments that are not (any longer) pertinent
14095 (bad_lval): this fix currently runs against many files.
14096 The comment seems to indicate that we should select for files
14097 containing 'pragma extern_prefix'.
14099 * fixinc/fixinc.x86-linux-gnu: deleted
14100 * fixinc/inclhack.sh: regen
14101 * fixinc/fixincl.x: regen
14102 * fixinc/fixincl.sh: regen
14104 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14106 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14107 its code is INSN and it has no notes.
14109 1999-11-22 Andrew Haley <aph@cygnus.com>
14111 * varasm.c (function_defined): Remove.
14112 (make_function_rtl): Don't set function_defined.
14113 (make_decl_rtl): Remove global register warning.
14114 * regclass.c (no_global_reg_vars): New variable.
14115 (globalize_reg): Warn if function has already been defined.
14116 (regclass_init): Set no_global_reg_vars.
14118 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14120 * regclass.c (reg_pref): New structure and static variable
14121 (prefclass): Delete.
14122 (altclass): Delete.
14123 (all uses of prefclass and altclass): Use reg_pref instead.
14125 1999-11-21 Nick Clifton <nickc@cygnus.com>
14127 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14129 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14130 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14131 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14133 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14135 * varasm.c (output_constructor): Solve problem with long long
14136 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14138 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14140 * global.c (allocno): New structure and static variable.
14141 (allocno_reg): Remove, all references replaced by allocno.
14142 (allocno_size): Likewise.
14143 (hard_reg_conflicts): Likewise.
14144 (hard_reg_preferences): Likewise.
14145 (hard_reg_copy_preferences): Likewise.
14146 (hard_reg_full_preferences): Likewise.
14147 (regs_someone_prefers): Likewise.
14148 (allocno_calls_crossed): Likewise.
14149 (allocno_n_refs): Likewise.
14150 (allocno_live_length): Likewise.
14151 (find_reg): Rename ALLOCNO to NUM.
14153 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14154 references updated.
14155 (may_move_out_cost): New variable.
14156 (init_reg_sets_1): Initialize may_move_out_cost.
14157 (record_reg_classes): Use may_move_out_cost.
14159 * regclass.c (dump_regclass): New function.
14160 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14161 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14162 pass rtl_dump_file to regclass.
14163 * rtl.h (regclass): Update prototype.
14165 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14167 * i386.md (neg, not and abs patterns): Revmap to use
14168 ix86_expand_unary_operator and ix86_unary_operator_ok.
14169 (add?f and sub?f expanders): Force operand 1 to register.
14170 * i386.c (ix86_expand_unary_operator): Rewrite.
14171 (ix86_unary_operator_ok): Ensure that memory operands
14173 (ix86_binary_operator_ok): Do not allow operand 1 to
14174 come into memory and operand 0 not.
14175 (ix86_expand_binary_operator): Ensure that
14176 src1 is not non-matching memory.
14178 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14179 to support integer registers and memory.
14180 (abss?2_integer): Likewise.
14182 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14183 (REG_CLASS_NAMES): Likewise.
14184 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14186 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14187 (movsf): Likewise; unify 4th and 5th alternative.
14188 (pushdf): Likewise.
14189 (movdf_1): Likewise; rename to movdf_integer.
14190 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14191 remove redundant splitter.
14192 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14193 (movdf_nointeger): New.
14194 (movxf_nointeger): New.
14195 (pushxf_nointeger): New.
14197 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14198 memory operands in patterns.
14199 (fop*): Refuse two memory operands.
14201 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14202 on !TARGET_USE_CLTD CPUs.
14204 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14206 * extend.texi: Document C++ restricted pointers and references.
14208 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14210 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14211 (invalidate_skipped_set): Call it unconditionally.
14212 (cse_set_around_loop): Likewise.
14214 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14216 * rtl.texi (mem): Add documentation for alias-set argument
14219 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14221 * i386.h (struct_processor_costs): New fields int_load, int_store,
14222 fp_move, fp_load and fp_store
14223 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14225 (MEMORY_MOVE_COST): New macro.
14226 * i386.c (386_cost): Define new fields.
14227 (i486_cost): Likewise.
14228 (pentium_cost): Likewise.
14229 (pentiumpro_cost): Likewise.
14230 (k6_cost): Likewise.
14232 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14233 Geoffrey Keating <geoffk@cygnus.com>
14235 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14237 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14240 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14241 (TARGET_STRICT_ALIGNMENT): New macro.
14242 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14243 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14244 * invoke.texi (M680x0 Options): Document -mstrict-align.
14246 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14247 Richard Henderson <rth@cygnus.com>
14249 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14250 (ix86_split_long_move): Declare.
14251 * i386.c (split_xf, ix86_split_movdi): Remove.
14252 (ix86_split_to_parts, ix86_split_long_move): New.
14253 * i386.md (dimode move splitters): Use ix86_split_long_move.
14254 (dfmode move splitters): Likewise.
14255 (xfmode move splitters): Likewise.
14256 (movsf_1): Allow F->r.
14257 (movdf_1, movxf_1): Allow F->ro.
14259 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14261 * except.h (struct eh_entry): Add goto_entry_p.
14262 (eh_region_from_symbol): Remove prototype.
14263 * except.c (find_func_region_from_symbol): New function.
14264 (emit_cleanup_handler): Likewise.
14265 (eh_region_from_symbol): Make it static.
14266 (add_new_handler): Verify the argument.
14267 (find_func_region): Update comment.
14268 (expand_eh_region_end): Expand handlers here, rater than waiting
14269 until expand_leftover_cleanups or start_all_catch.
14270 (expand_leftover_cleanups): Don't expand here.
14271 (expand_start_all_catch): Or here.
14272 (expand_rethrow): Check the return value from find_func_region.
14273 * function.c (expand_function_end): Emit the catch_clauses.
14275 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14277 * integrate.c (expand_inline_function): Add necessary check for NULL.
14279 1999-11-18 Nick Clifton <nickc@cygnus.com>
14281 * toplev.c (main): Correctly detect an unrecognised option.
14283 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14284 a -f option if it has not been recognised.
14286 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14288 * basic-block.h (update_life_extent): Remove trailing comma on
14289 enumeration type list.
14291 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14293 * varasm.c (output_constructor) Solved problem with long long
14294 bitfields. Corrected calculating this_time and shift. Also
14295 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14297 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14299 * flow.c (split_edge): Take looping structure into account when
14300 determining where to put the new block note.
14302 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14304 * Makefile.in (ggc-none.o): Provide host specific version if
14307 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14309 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14310 containing subregs too.
14312 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14314 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14315 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14316 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14317 (text_section): Add switches -munint-const-in-rodata and
14318 -mno-uninit-const-in-rodata.
14319 (ASM_OUTPUT_COMMON): Remove.
14320 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14321 const objects should be placed in read-only data. Otherwise declare
14324 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14326 * jump.c (jump_optimize_1): Revert last change.
14328 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14330 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14331 test if optimizing for size.
14333 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14335 * Makefile.in (toplev.o): Depend on except.h.
14336 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14338 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14340 * i386.md (divmodsi4): Rewrite to expander.
14341 (*divmodsi4_nocltd): New.
14342 (*divmodsi4_cltd): New.
14343 (divmodsi4 splitter): Handle the case when input comes in edx.
14344 (udivmodhi4): Do not use constraints in exander.
14345 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14347 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14349 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14350 for the common case.
14352 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14354 * explow.c (hard_function_value): Add outgoing argument.
14355 * expr.h (hard_function_value): Declare it.
14356 * calls.c (expand_call, emit_library_call_value): Update callers.
14357 * function.c (aggregate_value_p): Ditto.
14358 (diddle_return_value): Must look at the outgoing registers
14359 on archs with register windows.
14361 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14363 * alpha.c (alpha_build_va_list): Use make_lang_type and
14364 initialize TYPE_NAME for the va_list record.
14366 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14368 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14370 * ggc.h (struct ggc_statistics): Rearrange elements for better
14371 packing on 64-bit hosts.
14372 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14373 (compute_nearerout): Likewise.
14375 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14377 * config/rs6000/rs6000.c (first_reg_to_save): Save
14378 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14380 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14382 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14383 notion of nesting to find the DIE for a type or function.
14384 DIEs can go in limbo even if we got a context_die.
14385 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14386 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14388 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14389 (gen_type_die): Writing out the context doesn't cause member class
14390 template instantiations to be written out as well.
14392 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14394 * rs6000.h (ASM_OUTPUT_DEF): New.
14395 Based on proposed addition from David Edelsohn.
14397 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14398 Bruce Korb <autogen@linuxbox.com>
14400 * fixinc/inclhack.def
14401 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14402 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14404 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14405 (svr4_endian): enabled with SVR5
14406 (svr4_mkdev): simplified syntax and enabled with SVR5
14408 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14410 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14411 * configure: Rebuilt.
14412 * config/t-freebsd-thread: New file.
14414 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14416 * i386.c (ix86_decompose_address): Verify the base is a REG
14417 before trying to examine its register number.
14419 * basic-block.h: Remove all #defines and prototypes related to
14421 (free_bb_mem, compute_preds_succs): Remove prototype.
14422 * rtl.h (free_bb_mem): Remove prototype.
14423 * flow.c (alloc_int_list_node); Remove function.
14424 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14425 (compute_preds_succs, free_bb_mem): Likewise.
14426 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14427 * toplev.c (rest_of_compilation): Likewise.
14428 * haifa-sched.c (build_control_flow): Use flow generated edge
14429 list to build the haifa specific edge list.
14430 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14431 (schedule_insns): Do not build pred/succ lists anymore. Instead
14432 build the edge table.
14434 * basic-block.h (dump_bb_data): Remove declaration.
14435 * flow.c (dump_bb_data): Remove function.
14436 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14437 (sbitmap_union_of_predsucc): Likewise.
14439 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14440 argument. All callers changed.
14441 (delete_null_pointer_checks_1): No longer need to compute the
14444 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14445 All callers changed.
14446 (pre_expr_reaches_here_p_work): Likewise.
14447 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14448 * lcm.c (compute_laterin): Fix initialization of LATER.
14449 (compute_nearerout): Similarly for NEARER.
14451 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14453 * cse.c (set_nonvarying_address_components): Delete unused function.
14454 (refers_to_p): Likewise.
14456 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14458 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14461 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14463 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14464 definition in do while (0).
14466 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14468 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14470 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14472 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14474 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14476 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14477 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14478 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14479 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14481 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14482 saved on the stack. Output more accurate stack frame statistics
14483 into assembler file.
14485 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14487 * genextract.c (record_insn_name): New function.
14488 (get_insn_name): No longer a stub.
14489 (main): Call record_insn_name for each insn. After each label
14490 written, print the insn name in a comment.
14492 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14494 * output.h (const_section, init_section, fini_section): Add
14497 * alpha/elf.h (const_section): Delete declaration.
14499 * svr4.h (const_section): Likewise.
14501 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14503 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14504 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14505 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14507 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14508 variable-sized array bounds.
14510 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14512 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14515 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14517 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14518 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14520 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14522 * cse.c (hash_arg_in_struct): Delete.
14523 (struct table_elt): Delete elt in_struct.
14524 (struct set): Delete elt src_in_struct.
14525 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14526 the corresponding in_struct elts.
14527 (canon_hash): Likewise.
14528 (safe_hash): Likewise.
14529 (find_best_addr): Likewise.
14530 (record_jump_cond): Likewise.
14531 (cse_insn): Likewise.
14533 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14535 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14537 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14540 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14542 * function.c (diddle_return_value): Put back check that the DECL_RTL
14543 for the function is a register.
14545 * function.c (diddle_return_value): Use hard_function_value to
14546 get an rtx suitable for use in the USE/CLOBBER insn.
14548 * global.c (global_conflicts): Update comments.
14549 (record_conflicts): No need to record conflicts between pseudos here.
14551 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14553 * fixinc/fixincl.c: Added verbose levels for status messages
14555 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14557 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14558 operand as argument to expand_and or expand_binop.
14560 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14562 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14563 gcc_add_string_root.
14565 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14567 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14569 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14571 * flow.c (compute_flow_dominators): Initially put all blocks on
14573 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14574 * gcse.c (compute_cprop_avinout): Remove.
14575 (compute_cprop_data): Use compute_available.
14576 (delete_null_pointer_checks_1): Use compute_available.
14578 * basic-block.h (compute_available): Returns a void now.
14579 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14580 to return a value anymore.
14581 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14582 worklists. Fix boundary cases. Compute maximal solutions.
14583 (compute_laterin, compute_nearerout): Similarly.
14585 * dwarf2out.c (add_AT_location_description): Allow
14586 (mem (plus (pseudo) (...)) too.
14588 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14590 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14592 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14593 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14595 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14597 * gansidecl.h: Likewise.
14603 * toplev.h: Likewise.
14605 * tree.c: Likewise.
14607 * tree.h: Likewise.
14609 * varray.c: Likewise.
14611 * varray.h: Likewise.
14613 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14615 * gcov.c (struct arcdata): Add hits and total, remove prob.
14616 (output_branch_counts): New.
14617 (process_args): Set output_branch_counts if -c.
14618 (calculate_branch_probs): Store hits and total instead of
14620 (output_data): Emit counts if output_branch_counts is true.
14621 * gcov.texi (Invoking Gcov): Document -c switch..
14623 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14625 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14626 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14628 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14630 * invoke.texi (C Dialect Options): Add missing builtins from
14631 c-common.c to list.
14632 * extend.texi (Other Builtins): Copy to this list.
14634 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14636 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14637 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14638 redundant bitmap.h.
14640 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14642 * flow.c (compute_flow_dominators): No longer treat basic block 0
14643 or (n_basic_blocks - 1) specially. Clear the AUX field before
14644 starting computation of doms/pdoms. Fix initial state for pdoms.
14646 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14648 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14649 match rtl.o's: added ggc.h and toplev.h
14650 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14651 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14652 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14654 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14656 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14657 from HAVE_DOS_BASED_FILESYSTEM.
14658 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14659 HAVE_DOS_BASED_FILESYSTEM.
14661 (split_directories): Only special-case DOS file names if
14662 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14663 instead of explicit tests. Conditionalize on !VMS.
14664 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14665 tests. Conditionalize on !VMS.
14666 (process_command): Only use make_relative_prefix if !VMS.
14667 (free_split_directories): Conditionalize on !VMS.
14668 (DIR_UP): Conditionalize on !VMS.
14670 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14672 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14674 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14676 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14679 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14681 * invoke.texi (Environment Variables): Document relative path
14683 * gcc.c (DIR_UP): If not defined, define as "..".
14684 (standard_bindir_prefix): New static, holds target location to
14686 (split_directories): New function to split a filename into
14687 component directories.
14688 (free_split_directories): New function, release memory allocated
14689 by split_directories.
14690 (make_relative_prefix): New function, make a relative pathname if
14691 the compiler is not in the expected location.
14692 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14693 can figure out an appropriate prefix from argv[0].
14694 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14695 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14696 STANDARD_BINDIR_PREFIX.
14698 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14700 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14702 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14703 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14704 c4x_secondary_memory_needed) Delete.
14705 (fp_zero_operand): Add mode argument.
14707 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14709 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14710 that is in reload_reg_used.
14712 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14714 * config/arm/arm-protos.h: New file: Prototypes for functions
14715 defined in arm.c and pe.c.
14716 * config/arm/arm.h: Fix compile time warnings.
14717 * config/arm/arm.c: Fix compile time warnings.
14718 * config/arm/pe.h: Fix compile time warnings.
14719 * config/arm/aout.h: Fix compile time warnings.
14721 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14723 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14726 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14727 Add support for subtargets.
14728 Add prototypes for new predicates.
14729 Add scheduling macros.
14731 * config/m32r/m32r.c: Fix compile time warnings.
14732 (int8_operand): New predicate function.
14733 (reg_or_cmp_int16_operand): New predicate function.
14734 (extend_operand): New predicate function.
14735 (m32r_adjust_code): New scheduling function.
14736 (m32r_adjust_priorty): New scheduling function.
14737 (m32r_sched_init): New scheduling function.
14738 (m32r_sched_reorder): New scheduling function.
14739 (m32r_sched_variable_issue): New scheduling function.
14740 (direct_return): New codegen function.
14741 (m32r_not_same_reg): New rtl testsing function.
14743 * config/m32r/m32r.md: Fix compile time warnings.
14744 Add support for pre decrement and post increment memory
14746 Add S<cc> patterns.
14749 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14751 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14752 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14753 (find_reg): Likewise.
14755 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14757 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14758 to avoid assembler errors.
14760 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14762 * config/v850/v850-protos.h: New file: Prototypes for functions
14764 * config/v850/v850.h: Move prototypes to v850-protos.h
14765 * config/v850/v850.c: Move prototypes to v850-protos.h
14766 * config/v850/v850.md: Fix compile time warnings.
14768 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14770 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14771 * config/fr30/fr30.c: Fix compile time warnings.
14772 * config/fr30/fr30.md: Fix compile time warnings.
14774 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14776 * tree.h (get_containing_scope): Declare it.
14777 * tree.c (get_containing_scope): New fucntion.
14778 (decl_function_context): Use it.
14779 * toplev.c (rest_of_compilation): Use get_containing_scope.
14781 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14783 * Makefile.in (rtl.o): Depend on toplev.h.
14785 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14787 * cse.c (delete_trivially_dead_insns): Replace alloca with
14789 * except.c (update_rethrow_references): Likewise.
14790 (init_eh_nesting_info): Likewise.
14791 * function.c (identify_blocks): Likewise.
14792 * gcse.c (dump_hash_table): Likewise.
14793 * graph.c (print_rtl_graph_with_bb): Likewise.
14794 * loop.c (combine_movables): Likewise.
14795 (move_movables): Likewise.
14796 (count_loop_regs_set): Likewise.
14797 (strength_reduce): Likewise.
14798 * profile.c (compute_branch_probabilities): New function, split
14800 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14801 * regclass.c (regclass): Likewise.
14802 * regmove.c (regmove_optimize): Likewise.
14803 * toplev.c (compile_file): Likewise.
14804 (main): Don't mess with the stack rlimit.
14806 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14808 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14809 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14811 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14813 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14815 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14817 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14818 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14821 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14823 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14825 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14827 * gcse.c (post_dominators): Kill.
14828 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14829 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14830 pass in a pdom array since we do not need pdoms.
14831 * haifa-sched.c (schedule_insns): Similarly.
14832 * flow.c (compute_dominators): Remove dead function.
14833 (compute_flow_dominators): Do not compute doms or pdoms if the
14834 caller does not request them. Split up loop to build doms and
14835 pdoms. Use a worklist to compute doms and pdoms.
14836 * basic-block.h (compute_dominators): Remove prototype.
14838 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14840 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14841 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14842 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14843 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14844 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14845 (schedule_region): Remove unused variable.
14846 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14848 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14850 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14851 (update_equiv_regs): Likewise.
14852 (block_alloc): Likewise.
14853 * reg-stack.c (reg_to_stack): Likewise.
14854 (convert_regs_2): Likewise.
14855 * reload1.c (reload_as_needed): Likewise.
14857 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14859 * Makefile.in (dbxout.o): Depend on ggc.h.
14860 (dwarf2out.o): Likewise.
14861 (xcoffout.o): Likewise.
14862 * dbxout.c: Include ggc.h.
14863 (dbxout_init): Register lastfile as a root.
14864 * dwarf2out.c: Include ggc.h.
14865 (dwarf2out_line): Register lastfile as a root.
14866 * xcoffout.c: Include ggc.h.
14867 (xcoffout_source_line): Register xcoff_lastfile as a root.
14869 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14871 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14873 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14875 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14877 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14879 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14881 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14882 (EXECUTE_IF_CONFLICT): Likewise.
14883 (ALLOCNO_LIVE_P): Avoid signed division.
14884 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14885 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14886 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14888 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14890 * haifa-sched.c (schedule_block): Don't crash if there's no
14891 next insn for an interblock movement.
14892 (add_branch_dependences): Don't allow clobber insns to move either.
14894 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14896 * i386.c (split_xf): New.
14897 * i386-protos.h: Declare it.
14898 * i386.md (movxf_1): Add general regs alternatives.
14899 (movxf_1+1): New splitter for same.
14901 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14903 * function.c (purge_addressof_1): Add missing return values.
14905 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14907 * function.c (is_addressof): New function. Returns true if
14908 the given piece of RTL is an ADDRESSOF.
14909 (purge_addressof_1): Make boolean. Return false if the
14910 ADDRESSOFs could not be purged.
14911 (purge_addressof): If ADDRESSOFs could not be purged from the
14912 notes attached to an insn, remove the offending note(s),
14913 unless they are attached to a libcall.
14915 1999-11-05 Andreas Jaeger <aj@suse.de>
14917 * genoutput.c (null_operand =): Initialize all fields.
14919 * errors.h: Add extern to prototypes.
14921 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14923 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14924 * configure: Rebuilt.
14926 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14928 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14929 (mirror_conflicts): New function.
14930 (global_alloc): Call it.
14931 (expand_preferences): Remove redundant CONFLICTP test.
14932 (find_reg, dump_conflicts): Likewise.
14933 (prune_preferences): Process conflicts one word at a time.
14935 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14937 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14938 instead of an explicit loop.
14940 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14942 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14943 if REG_RETVAL check succeeds, then put classp in src_elt.
14945 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14947 * function.c (pad_to_arg_alignment): Only update argument_pad
14948 if the argument's alignment is greater than STACK_BOUNDARY.
14950 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14952 * bitmap.h (BITMAP_XFREE): New.
14953 * flow.c (life_analysis): Use it.
14954 (life_analysis_1): Free blocks.
14956 * combine.c (undo_commit): New.
14957 (try_combine): Use it. Don't zap undobuf.undos.
14958 (combine_instructions): Don't zap undobuf.undos; free the
14959 undobuf.frees list.
14961 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14963 * stmt.c (cost_table_): New.
14964 (estimate_case_costs): Use it instead of xmalloc.
14966 * toplev.c (compile_file): Reuse dumpname memory instead
14969 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14971 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14972 after verifying an EH edge.
14974 * haifa-sched.c (init_rgn_data_dependences): Correctly
14975 size bb_pending_lists_length when zeroing.
14977 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14979 * function.c (diddle_return_value): New.
14980 (expand_function_end): Use it.
14981 * stmt.c (expand_null_return): Likewise.
14982 (expand_value_return): Likewise.
14984 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14986 * reload1.c (reload): Don't remove return value clobbers.
14988 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14990 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14992 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14994 * cse.c (cse_main): Use xmalloc, not alloca.
14995 (cse_basic_block): Likewise.
14996 * local-alloc.c (local_alloc): Likewise.
14998 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15001 * rtl.c: Include toplev.h.
15002 (fatal): Remove declaration.
15004 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15006 * haifa-sched.c (schedule_block): Fix thinko.
15008 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15010 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15011 S_IR* defined values
15013 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15015 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15016 call `malloc' instead.
15018 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15020 * flags.h (flag_renumber_insns): Declare.
15021 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15023 * rtl.h (renumber_insns): Change prototype.
15024 * toplev.c (flag_renumber_insns): Define.
15025 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15027 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15029 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15030 and fpsqrtd. Use them and create fdiv function unit to more
15031 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15032 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15034 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15036 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15038 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15039 insn into ready list, do not use just a raw swap.
15041 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15043 * rtl.h (renumber_insns): New function.
15044 (remove_unnecessary_notes): Likewise.
15045 * emit-rtl.c (renumber_insns): Define.
15046 (remove_unncessary_notes): Likewise.
15047 * toplev.c (rest_of_compilation): Remove dead code.
15048 Use renumber_insns and remove_unncessary_notes.
15050 * gcse.c (struct null_pointer_info): New type.
15051 (get_bitmap_width): New function.
15052 (current_block): Remove.
15053 (nonnull_local): Likewise.
15054 (nonnull_killed): Likewise.
15055 (invalidate_nonnull_info): Take a null_pointer_info as input.
15056 (delete_null_pointer_checks_1): New function.
15057 (delete_null_pointer_checks): Use it.
15059 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15060 (split_edges): Likewise.
15061 (schedule_block): Likewise.
15062 (compute_block_backward_dependencies): Likewise.
15063 (schedule_region): Likewise.
15064 (schedule_insns): Likewise.
15066 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15068 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15069 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15070 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15071 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15072 * jump.c (delete_unreferenced_labels): Don't delete if
15073 LABEL_ALTERNATE_NAME is set.
15074 * print-rtl.c (print_rtx): Dump alternate name.
15075 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15076 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15077 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15078 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15080 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15082 * fix-header.c (recognized_extern, recognized_function): Constify
15085 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15086 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15087 (compute_available): Remove unused variable `last'.
15088 (compute_nearerout): Remove unused variable `temp_bitmap'.
15089 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15090 Remove unused variable `x'.
15092 * scan.h (recognized_function, recognized_extern): Constify a
15095 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15097 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15099 * varasm.c (decode_rtx_const): Use XSTR to access the string
15102 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15104 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15106 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15108 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15110 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15112 * pa.c (ireg_operand): New function.
15113 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15114 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15115 Fix out of date comment.
15117 * pa.md (negdi2): Turn into expander + anonymous pattern.
15119 * reload.c (find_reloads): Fix typos in recent change.
15121 * dwarf2out.c: Do not include ctype.h.
15123 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15125 * regclass.c (record_reg_classes): Always use may_move_cost when
15126 seeing how operand fits with various register classes.
15128 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15130 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15131 * toplev.c: Revert Nov 1 13:22 change.
15133 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15135 * config/pa/pa.md (height reduction patterns): Add checks for
15136 overlapping operands to avoid semantic-destroying splits for
15137 height reduction patterns.
15139 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15141 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15142 have been an hyphen, fixed.
15143 * configure: Rebuilt.
15145 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15147 * config/arm/tpe.h: Add prototypes for exported functions.
15148 * config/arm/pe.c: Fix compile time warnings.
15149 * config/arm/semi.h: Fix compile time warnings.
15150 * config/arm/arm.c: Fix compile time warnings.
15151 * config/arm/arm.h: Fix compile time warnings.
15152 * config/arm/arm.md: Fix compile time warnings.
15153 * config/arm/thumb.c: Fix compile time warnings.
15154 * config/arm/thumb.h: Fix compile time warnings.
15155 * config/arm/thumb.md: Fix compile time warnings.
15157 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15159 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15162 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15163 completely unrolled.
15165 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15167 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15169 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15171 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15172 * rtl.h (rtx_equal_p): Move prototype.
15173 * rtl.c (rtx_equal_function_value_matters): Move from
15175 (rtx_equal_p): Likewise.
15176 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15177 (rtx_equal_p): Likewise.
15179 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15181 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15182 ! HAS_INIT_SECTION.
15184 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15186 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15188 * pa.h (ADDR_VEC_ALIGN): Define.
15190 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15191 notes when presented with "if (foo) break; end_of_loop" and
15192 the break sequence gets moved out of the loop.
15194 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15195 Remove explicit zero initializations of entries within MAP.
15197 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15199 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15201 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15203 * bitmap.h (BITMAP_XMALLOC): New macro.
15204 * flow.c (CLEAN_ALLOCA): Remove.
15205 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15206 (life_analysis): Likewise.
15207 (update_life_info): Don't use CLEAN_ALLOCA.
15208 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15209 (calculate_global_regs_live): Likewise.
15210 (print_rtl_with_bb): Likewise.
15211 (verify_flow_info): Likewise.
15212 * global.c (global_alloc): Likewise.
15213 (global_conflicts): Likewise.
15214 * integrate.c (save_for_inline_nocopy): Likewise.
15215 (expand_inline_function): Likewise.
15216 * jump.c (jump_optimize_1): Likewise.
15217 (duplicate_loop_exit_test): Likewise.
15218 (thread_jumps): Likewise.
15219 * loop.c (loop_optimize): Likewise.
15220 (combine_givs): Likewise.
15221 (recombine_givs): Likewise.
15222 * reorg.c (dbr_schedule): Likewise.
15223 * unroll.c (unroll_loop): Likewise.
15225 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15227 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15229 * toplev.c (rest_of_compilation): Don't optimize the CFG
15230 when rebuilding, just before dbr.
15232 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15234 * output.h (assemble_end_function, assemble_destructor,
15235 assemble_constructor, assemble_gc_entry, assemble_global,
15236 assemble_label, output_constant_pool) Constify a char*.
15238 * varasm.c (assemble_destructor, assemble_constructor,
15239 assemble_gc_entry, assemble_end_function, assemble_global,
15240 assemble_label, output_constant_pool): Likewise.
15242 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15244 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15245 explaining what is goin on in this function.
15247 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15249 * regclass.c (record_reg_classes): In matching case, recompute
15250 costs since the direction of movement is different.
15252 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15254 * resource.c (mark_target_live_regs): For unconditional branches,
15255 the resources found at the branch target should be added to the
15256 resources found so far, not intersected.
15258 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15260 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15262 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15263 (sys/mman.h): Include this file only if #HAVE_MMAP.
15264 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15265 with automatically concatenated ANSI strings.
15267 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15269 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15270 (DIV_ROUND_UP): Robustify.
15271 (ggc_recalculate_in_use_p): New function.
15272 (release_pages): Don't inline it.
15273 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15275 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15276 (clear_marks): Always save in_use_p.
15277 (sweep_pages): Use ggc_recalculate_in_use_p.
15278 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15279 Release pages before counting statistics.
15281 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15283 * toplev.c (rest_of_compilation): Fix thinko in this change:
15285 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15287 (rest_of_compilation): If inside an inlined external function,
15288 pretend we are just being declared.
15290 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15292 * flow.c (calculate_global_regs_live): Fix thinko.
15294 * integrate.c (expand_inline_function): Fix bugs in previous
15295 change from Oct 28, 1999.
15297 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15299 * stmt.c (expand_value_return): Fix typo in this change:
15301 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15302 (expand_value_return): Correctly convert VAL when promoting function
15303 return; support RETURN_REG being a PARALLEL.
15305 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15307 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15309 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15311 * hard-reg-set.h (reg_names): Constify a char*.
15313 * regclass.c (reg_names): Likewise.
15315 * regs.h (reg_names): Likewise
15317 * a29k/a29k.c (reg_names): Delete declaration.
15319 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15321 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15322 arc_output_function_epilogue): Likewise.
15324 * elxsi/elxsi.c (reg_names): Likewise.
15326 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15328 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15331 * m88k/m88k.c (output_function_profiler): Likewise.
15333 * sparc/sparc.c (sparc_flat_output_function_prologue,
15334 sparc_flat_output_function_epilogue): Likewise.
15336 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15338 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15339 warning from -Wuninitialized and put it under -W.
15340 * function.c (uninitialized_vars_warning): Warn only when the
15341 corresponding flag is set.
15343 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15345 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15346 is nonzero and the single set does not have an elt, then assign
15349 * simplify-rtx.c: New file.
15350 * Makefile.in (OBJS): Add simplify-rtx.o
15351 (simplify-rtx.o): Add dependencies.
15352 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15353 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15354 (cse_gen_binary, simplify_unary_operation): Delete.
15355 (simplify_binary_operation, simplify_plus_minus): Likewise.
15356 (check_fold_consts, simplify_relation_operation): Likewise.
15357 (simplify_ternary_operation): Likewise.
15358 (delete_trivially_dead_insns): Simplify the contents of the
15359 REG_EQUAL note before trying to substitute it into the source
15360 of the reg-reg copy at the end of a libcall sequence.
15362 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15363 references/callers changed.
15365 * mn10200.c (mn10200_va_arg): Force the return value into a
15368 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15370 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15373 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15375 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15377 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15379 * fold-const.c (fold): Fix thinko when optimizing comparisons
15382 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15384 * gcc.texi (Passes): Update front-end files to their current
15387 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15389 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15390 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15391 (PREDICATE_CODES): Add addition_operation.
15392 * alpha-protos.h (addition_operation): Declare.
15393 (secondary_reload_class): Likewise.
15394 * alpha.c (addition_operation): New.
15395 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15396 * alpha.md (adddi3): Turn into expander.
15397 (*lda, *adddi_2): New.
15398 (movsf, movdf patterns): Don't preference integer regs.
15399 (movsi, movdi patterns): Don't preference fp regs.
15401 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15403 * genrecog.c (write_switch): Check for duplicate CODE cases.
15405 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15407 * ggc-common.c: Update pre-function commentary.
15408 * ggc-page.c: Likewise.
15410 (poison_pages): Use memset directly.
15411 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15412 (ggc_collect): Poison before sweeping.
15413 * ggc-simple.c: Update pre-function commentary.
15414 (ggc_alloc_obj): Poison non-zeroed memory.
15416 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15418 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15419 match format string, even on 64-bit hosts.
15420 * gcc-page.c (ggc_page_print_statistics): Likewise.
15422 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15424 * config/i386/i386.c (ix86_cpu): Revert last patch.
15425 * config/i386/i386.h (ix86_cpu): Ditto.
15427 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15429 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15430 TYPE_SIZE, convert type of result to sizetype.
15432 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15434 * flow.c (count_or_remove_death_notes): Equate NULL with the
15437 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15438 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15441 * i386.c (pic_label_no): Delete.
15442 (ix86_attr_length_default): Don't use single_set to peek
15445 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15446 the first insn after bb->end.
15447 * i386.md (push mem peeps): Scratch is live after evaluation
15449 (cmp mem peep): Similarly.
15451 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15453 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15454 * function.c (pad_to_arg_alignment): Add missing braces.
15456 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15458 * alpha/alpha-protos.h (literal_section): Add prototype.
15459 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15462 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15464 (alpha_start_function, alpha_end_function, float_strings,
15465 alpha_need_linkage): Constify a char*
15467 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15469 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15471 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15473 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15475 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15477 * flow.c (debug_flow_info): Add prototype.
15479 * gcc.c (main): Likewise.
15481 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15484 * reload1.c (failed_reload, set_reload_reg): Likewise.
15486 * mips-tfile.c (main): Likewise.
15487 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15488 with ATTRIBUTE_NORETURN.
15490 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15492 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15493 DECL is not a memory ref.
15495 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15497 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15498 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15500 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15502 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15503 * config/mips/elf64.h: ditto.
15505 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15507 * expr.c (emit_push_insn): New argument alignment_pad.
15508 Update all callers. Adjust stack pointer based on alignment pad.
15509 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15510 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15511 (locate_and_pad_parm): New argument alignment_pad. Update all
15513 * expr.h (emit_push_insn): Update prototype.
15514 (locate_and_pad_parm): Update prototype.
15515 * calls.c (arg_data): Add new field alignment_pad.
15516 (initialize_argument_information): Initialize alignment_pad.
15518 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15520 * except.c (free_eh_nesting_info): Free the info itself.
15521 * function.c (free_after_compilation): Don't free NULL.
15522 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15523 (pre_edge_insert): Free inserted.
15524 * stmt.c (free_stmt_status): Don't free NULL.
15526 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15528 * gcov.c (DIR_SEPARATOR): Provide default.
15529 (output_data): Add test for MS-DOS format absolute filename.
15530 (fancy_abort): Correct program name.
15531 (open_files): Open all files in binary mode.
15532 * libgcc2.c (__bb_exit_func): Likewise.
15534 * profile.c (init_branch_prob): Specify binary when opening files.
15536 * flags.h (flag_unwind_tables): New decl.
15537 * toplev.c (flag_unwind_table): New definition.
15538 (f_options): Add -funwind-tables.
15539 (decode_g_option): Clarify warning when unknown -g option is given.
15540 (rest_of_compilation): If inside an inlined external function,
15541 pretend we are just being declared.
15543 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15544 (dwarf2out_frame_finish): Likewise.
15546 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15548 * fold-const.c (merge_ranges): If not in0, but in1, handle
15549 upper bounds equal like subset case.
15551 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15553 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15554 passed in a register but moved to the stack.
15556 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15558 * gcc.c (pass_exit_codes, greatest_status): New variables.
15559 (struct option_map): Add entry for "--pass-exit-codes".
15560 (execute): Update greatest_status if error.
15561 (display_help): Add documentation for -pass-exit-codes.
15562 (process_command): Handle -pass-exit-codes.
15563 (main): Look at pass_exit_codes and greatest_status on call to exit.
15565 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15567 * reload.c (find_reloads): Refine test for no input reload
15568 case to not includes reloads emitted after insn.
15570 * function.c (find_temp_slots_from_address): Handle sum involving
15571 a register that points to a temp slot.
15572 (update_temp_slot_address): Make recursive call if both old and
15573 new are PLUS with a common operand.
15574 * calls.c (expand_call): Mark temp slot for result as having
15577 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15579 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15580 component as well as "BINUTILS".
15582 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15583 * integrate.c (copy_rtx_and_substitute): Likewise.
15584 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15585 All callers changed.
15586 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15588 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15589 gdb extensions, write size of type; also be more consistent
15590 in using references when this is a subtype.
15592 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15593 that is out of range.
15595 * loop.c (unknown_constant_address_altered): New variable.
15596 (prescan_loop): Initialize it.
15597 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15598 (invariant_p, case MEM): Remove handling for volatile and readonly;
15599 check new variable if readonly.
15600 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15602 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15603 (addr_affects_sp_p): Removed from note_mem_written and only
15604 define #ifdef AUTO_INC_DEC.
15606 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15608 * regclass.c (record_reg_classes): Properly handle register move
15611 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15612 Don't think valid if both operands are invalid.
15613 (struct constant_descriptor): New field RTL.
15614 (mark_const_hash_entry): Mark it.
15615 (record_constant{,_rtx}): Initialize it.
15616 (output_constant_def): Allocate RTL in permanent obstack and
15618 ({record,compare}_constant_1): Modes must match for
15619 CONSTRUCTOR of ARRAY_TYPE.
15621 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15622 * output.h (initializer_constant_valid_p): Move decl to here.
15623 * c-common.c (initializer_constant_valid_p): Delete function from here.
15624 * varasm.c (initializer_constant_valid_p): Move function to here.
15626 * tree.h (STRIP_SIGN_NOPS): New macro.
15627 * fold-const.c (optimize_minmax_comparison): New function.
15628 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15629 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15630 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15631 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15632 widening conversions.
15633 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15634 to look at size of mode, not precision of type; also add missing cases.
15635 (optimize_bit_field_compare, decode_field_reference): Don't try to
15636 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15638 * dwarf2out.c (ctype.h): Include.
15639 (dwarf2out_set_demangle_name_func): New function.
15640 (size_of_line_info): Deleted.
15641 (output_line_info): Compute size of line info table from difference
15643 (base_type_die, add_name_attribute): Call demangle function, if any.
15644 (field_byte_offset): Use bits per word for variable length fields.
15645 (gen_array_type_die): Add array name.
15646 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15647 (dwarf2out_add_library_unit_info): New function.
15649 * explow.c (set_stack_check_libfunc): New function.
15650 (stack_check_libfunc): New static variable.
15651 (probe_stack_range): Allow front-end to set up a libfunc to call.
15653 * combine.c (simplify_comparison): When making comparison in wider
15654 mode, check for having commuted an AND and a SUBREG.
15655 (contains_muldiv): New function.
15656 (try_combine): Call it when dividing a PARALLEL.
15657 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15658 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15660 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15661 use one of the CLOBBERs instead.
15662 (if_then_else_cond): If comparing against zero, just return thing
15665 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15666 Don't generate shifts and subtract if have conditional arithmetic.
15668 * rtl.h (delete_barrier): New declaration.
15669 * jump.c (jump_optimize): Set up to handle conditional call.
15670 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15671 (delete_barrier): New function.
15673 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15675 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15677 * tree.c (build_type_attribute_variant): Push to obstack of
15678 ttype around type_hash_canon call.
15680 * expr.c (placeholder_list): Move decl to file scope.
15681 (expand_expr): Don't force access to volatile just because its
15683 If ignoring reference operations, just expand the operands.
15684 (expand_expr, case COMPONENT_REF): Propagate
15685 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15686 Refine test for using bitfield operations vs pointer punning.
15687 (expand_expr, case CONVERT_EXPR): If converting to
15688 BLKmode UNION_TYPE from BLKmode, just return inner object.
15689 Use proper mode in store_field call.
15690 Properly set sizes of object to store and total size in store_field
15691 call for convert to union.
15692 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15693 memory (like for ADDR_EXPR). Also, don't put constant in register if
15694 we'll want it in memory.
15695 (readonly_fields_p): New function.
15696 (expand_expr, case INDIRECT_REF): Call it if LHS.
15697 (expand_assignment): Handle a RESULT_DECL where
15698 DECL_RTL is a PARALLEL.
15699 (do_jump, case WITH_RECORD_EXPR): New case.
15700 (get_inner_reference): Always go inside a CONVERT_EXPR
15701 and NOP_EXPR if both modes are the same.
15702 (store_field): Use bitfield operations if size of bitsize is not same
15703 as size of RHS's type.
15704 Check for bitpos not a multiple of alignment in BLKmode case.
15705 Do block move in largest possible alignment.
15706 (store_constructor): Set BITSIZE to -1 for variable size and properly
15707 in case of array of BLKmode.
15708 (expand_expr_unaligned): New function.
15709 (do_compare_and_jump): Call it.
15711 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15712 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15713 does not include 'o'.
15715 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15716 both SET_DEST and SET_SRC reference a virtual register.
15717 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15719 * integrate.c (expand_inline_function): Handle case of setting
15720 virtual stack vars register (from built in setjmp); when parameter
15721 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15722 (subst_constant): Add new parm, MEMONLY.
15723 (expand_inline_function, integrate_parm_decls): Pass new parm.
15724 (integrate_decl_tree): Likewise.
15725 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15726 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15727 (copy_rtx_and_substitute, case SET): Add explicit calls to
15728 copy_rtx_and_substitute for both sides.
15730 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15732 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15733 within INDEX_TYPE, instead of before.
15734 (fixup_gotos): Use f->target_rtl, not the next insn,
15735 since latter may be from a later fixup.
15736 (expand_value_return): Correctly convert VAL when promoting function
15737 return; support RETURN_REG being a PARALLEL.
15738 (expand_return): When checking for result in regs and having
15739 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15741 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15743 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15744 last_nominal_fname): Mark const.
15745 (struct include_hash: name, nshort, control_macro): Mark
15747 (struct macrodef: symnam): Mark const.
15748 (struct if_stack: fname): Mark const.
15749 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15750 (IStable): New character-syntax array which encompasses all
15751 the old is_foo arrays.
15752 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15753 is_space): New macros for interrogating IStable.
15754 (check_macro_name): Kill last argument. All callers changed.
15756 * cppinit.c (initialize_char_syntax): Delete.
15757 (is_idchar, is_idstart, is_hor_space, is_space,
15758 trigraph_table): Delete.
15759 (IStable): New. Initialize with clever macros to avoid
15760 information duplication.
15761 (builtin_array): Table of builtins to get rid of explicit list
15762 in initialize_builtins.
15763 (initialize_builtins): Use builtins_array.
15764 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15765 opts->dollars_in_ident.
15767 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15769 (cpp_parse_expr): Avoid 'format string is not constant'
15770 warning. Use ISGRAPH to identify printable chars.
15771 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15773 (read_and_prescan): Map trigraphs to chars with open-coded
15774 if-else-if-... sequence, not a lookup table.
15775 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15777 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15778 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15779 (check_macro_name): Remove ability to report an invalid
15780 assertion name, which is never used.
15781 (do_line): Constify a couple of char *'s.
15782 * cppmain.c (main): Call cpp_cleanup before returning.
15784 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15786 * ggc.h (struct ggc_statistics): New type.
15787 (ggc_get_size): New function.
15788 (ggc_print_statistics): Likewise.
15789 * ggc-common.c (ggc_stats): New variable.
15790 (ggc_mark_rtx_children): Keep statistics.
15791 (ggc_mark_tree_children): Likewise.
15792 (ggc_print_statistics): New function.
15793 * ggc-page.c (struct globals): Add bytes_mapped field.
15794 (alloc_anon): Update it.
15795 (release_pages): Likewise.
15796 (ggc_get_size): New function.
15797 (ggc_page_print_statistics): New function.
15798 * ggc-simple.c (ggc_get_size): New function.
15800 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15802 * flow.c (propagate_block): When the last reference to a label
15803 before an ADDR_VEC is deleted because the reference is a dead
15804 store, delete the ADDR_VEC.
15806 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15808 * resource.c (find_free_register): Don't use the frame pointer
15809 if frame_pointer_needed.
15811 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15813 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15814 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15816 * config/i960/i960.c (i960_va_start): New locals base, num.
15817 Use INDIRECT_REF instead of ARRAY_REF on valist.
15818 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15820 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15822 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15824 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15826 * tree.def (PLACEHOLDER_EXPR): Update comments.
15828 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15830 * c-common.c (check_format_info): Avoid non-literal format string
15831 warnings when `first_arg_num' is zero.
15833 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15835 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15837 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15839 * arm.md (casesi_insn): Add a clobber of the condition code
15842 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15844 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15845 used by both cc1 and cc1plus.
15847 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15849 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15850 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15851 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15852 to the value 32 if it has not already been defined.
15853 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15854 Override definition in arm.h with a value of 8.
15856 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15858 * c-pragma.c (push_alignment): Don't check the return value
15861 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15863 * sparc.h (ADJUST_COST): Fix thinko.
15865 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15867 * cccp.c (rescan): Fixed obp pointer handling around call to
15868 check_expand subroutine.
15870 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15872 * gcse.c (delete_null_pointer_checks): Only record non-null info
15873 for pseudos when examining stores.
15875 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15876 splitters for these patterns. Use "#" for output templates.
15877 (addsi3_carryin_shift): New pattern.
15879 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15881 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15882 of the function return register into a plain REG until
15883 after function inlining is done.
15885 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15887 * jump.c (jump_optimize_1): If we did cross-jumping, and
15888 the data will matter, rebuild the CFG.
15889 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15890 not optimizing. Don't run shorten_branches.
15891 * toplev.c (rest_of_compilation): Run shorten_branches after
15894 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15896 * rtl.h (note_stores): Add additional paramter.
15897 * rtlanal.c (reg_set_p_1): Take additional paramter.
15898 (reg_set_last_1): Likewise.
15899 (reg_set_p): Adjust call to note_stores.
15900 (reg_set_last): Likewise.
15901 (note_stores): Pass data parameter to worker function.
15902 * alias.c (record_set): Take additional parameter.
15903 (init_alias_analysis): Pass it.
15904 * caller-save.c (mark_set_regs): Take additional parameter.
15905 (save_call_clobbered_regs): Pass NULL to note_stores.
15906 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15908 (record_dead_and_set_regs_1): Likewise.
15909 (reg_dead_at_p_1): Likewise.
15910 (combine_instructions): Adjust calls to note_stores.
15911 (try_combine): Likewise.
15912 (record_dead_insn): Remove.
15913 (record_dead_and_set_regs): Adjust calls to note_stores.
15914 (reg_dead_at_p): Likewise.
15915 * cse.c (invalidate_skipped_set): Take additional parameter.
15916 (cse_check_loop_start): Likewise.
15917 (cse_check_loop_start_value): Remove.
15918 (cse_set_around_loop): Adjust calls to note_stores.
15919 * flow.c (notice_stack_pointer_modification): Take additional
15920 parameter. Remove duplicate declaration.
15921 (record_volatile_insns): Adjust calls to note_stores.
15922 * gcse.c (record_set_info): Take additional parameter.
15923 (record_last_set_info): Likewise.
15924 (invalidate_nonnull_info): Likewise.
15925 (record_set_insn): Remove.
15926 (compute_sets): Adjust calls to note_stores.
15927 (last_set_insn): Remove.
15928 (compute_hash_table): Adjust calls to note_stores.
15929 (insert_insn_end_bb): Likewise.
15930 (delete_null_pointer_checks): Likewise.
15931 * global.c (mark_reg_store): Take additional parameter.
15932 (mark_reg_clobber): Likewise.
15933 (reg_becomes_live): Likewise.
15934 (global_conflicts): Adjust calls to note_stores.
15935 (build_insn_chain): Likewise.
15936 * integrate.c (note_modified_parmregs): Take additional parameter.
15937 (mark_stores): Likewise. Make it static.
15938 (save_for_inline_nocopy): Adjust calls to note_stores.
15939 (try_constants): Likewise.
15940 * integrate.h (mark_stores): Remove declaration.
15941 * jump.c (mark_modified_reg): Take additional parameter.
15942 (thread_jumps): Adjust calls to note_stores.
15943 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15945 (no_equiv): Likewise.
15946 (reg_is_set): Likewise.
15947 (validate_equiv_mem): Adjust calls to note_stores.
15948 (update_equiv_regs): Likewise.
15949 (block_alloc): Likewise.
15950 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15951 (note_addr_stored): Take additional parameter.
15952 (note_set_pseudo_multiple_uses): Likewise.
15953 (record_initial): Likewise.
15954 (prescan_loop): Adjust calls to note_stores.
15955 (strength_reduce): Likewise.
15956 (check_dbra_loop): Likewise.
15957 * regmove.c (flags_set_1): Take additional paramter.
15958 (mark_flags_life_zones): Adjust calls to note_stores.
15959 * reload1.c (mark_not_eliminable): Take additional parameter.
15960 (forget_old_reloads_1): Likewise.
15961 (reload_cse_invalidate_rtx): Likewise.
15962 (reload_cse_check_clobber): Likewise.
15963 (reload_combine_note_store): Likewise.
15964 (move2add_note_store): Likewise.
15965 (reload): Adjust calls to note_stores.
15966 (reload_as_needed): Likewise.
15967 (emit_reload_insns): Likewise.
15968 (reload_cse_regs_1): Likewise.
15969 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15970 (reload_combine): Adjust calls to note_stores.
15971 * resource.c (update_live_status): Take additional paramter.
15972 (mark_target_live_regs): Adjust calls to note_stores.
15973 * stupid.c (find_clobbered_regs): Take additional parameter.
15974 (stupid_life_analysis): Adjust calls to note_stores.
15976 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15978 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15981 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15984 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15985 of the variable arm_structure_size_boundary.
15987 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15989 * alias.c (init_alias_analysis): Allocate reg_known_value and
15990 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15992 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15993 * cse.c (cse_main): Call end_alias_analysis.
15994 * haifa-sched.c (schedule_insns): Likewise.
15995 * local-alloc. (update_equiv_regs): Likewise.
15996 * reload1.c (reload_cse_regs): Likewise.
15998 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16000 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16001 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16002 mapping from MASK_FPU.
16004 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16006 * sparc.md (call): Don't bound structure return size to 0xfff.
16008 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16010 * resource.c (mark_target_live_regs): Check that the target
16011 insn wasn't created after compute_bb_for_insn.
16013 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16015 * ggc-page.c (poison_pages): Don't be overzealous.
16017 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16019 * alias.c: Update comments for ADDRESS.
16020 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16021 it is a local memory reference.
16023 * c-typeck.c (build_function_call): Check that the built-in
16024 function is of class BUILT_IN_NORMAL before trying to recongize
16025 it as BUILT_IN_ABS.
16026 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16027 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16029 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16031 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16033 (pre_gcse): Likewise.
16034 (hoist_expr_reaches_here_p): Likewise.
16035 (hoist_code): Likewise.
16036 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16038 (pre_expr_reaches_here_p_work): ... here.
16039 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16041 (expr_reaches_here_p_work): ... here.
16043 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16045 * resource.c (find_basic_block): Delete.
16046 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16047 (init_resource_info): Call compute_bb_for_insn.
16049 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16051 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16052 with already adjacent blocks, but no fallthru.
16053 (merge_blocks_move_successor_nojumps): Simplify.
16054 (debug_flow_info): New.
16056 * toplev.c (rest_of_compilation): Open jump1 dump file before
16057 jump and close after, as opposed to just using dump_rtl.
16059 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16061 * reload.h (earlyclobber_operand_p): Declare.
16062 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16063 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16064 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16065 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16067 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16068 Richard Henderson <rth@cygnus.com>
16070 * emit-rtl.c (emit_block_insn_before): New.
16071 (emit_block_insn_after): New.
16072 * basic-block.h: Declare them.
16074 * bitmap.h: Protect from multiple inclusion.
16076 * recog.c (scratch_operand): Handle VOIDmode correctly.
16078 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16080 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16081 * function.c (assign_parms): Likewise.
16082 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16084 * reg-stack.c (max_uid): Remove.
16085 (blocks, block_begin, block_end, block_drops_in): Remove.
16086 (block_stack_in, block_out_reg_set, block_number): Remove.
16087 (struct block_info_def, BLOCK_INFO): New.
16088 (enum emit_where): New.
16089 (current_block): New.
16090 (BLOCK_NUM): Remove.
16091 (mark_regs_pat, record_label_references): Remove.
16092 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16094 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16095 (reg_to_stack): Simplified test for existance of fp code. Use
16096 flow.c code. Call shorten_branches after cross-jump opt.
16097 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16098 Return false if the asm doesn't use stack regs. Don't do life
16099 analysis on the asm.
16100 (emit_pop_insn): Replace function pointer arg `when' with
16101 enum `where'. Update all callers.
16102 (change_stack): Likewise. Update basic block end.
16103 (emit_swap_insn): Use current_block->head to limit reverse search
16104 for start of block. Use emit_block_insn_after.
16105 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16106 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16107 structure assignment instead of bcopy.
16108 (print_stack): New.
16109 (convert_regs_entry, convert_regs_exit): New.
16110 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16111 Work on basic blocks and the CFG.
16112 (convert_regs): Use them.
16114 * i386.c (output_fix_trunc): Remove code for DImode input operand
16115 not at top-of-stack.
16116 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16118 (fix_truncdi_1): Allow any mode scratch.
16120 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16122 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16123 * linux.h, netbsd.h, vms.h: Not here.
16125 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16127 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16128 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16129 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16130 CONDITIONAL_REGISTER_USEAGE): Use them.
16131 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16132 gen_conditional_branch,override_options) : Use them.
16133 * config/mips/mips.md : Use them.
16135 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16137 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16139 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16141 * integrate.c (function_cannot_inline_p): Don't allow inlining
16144 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16146 * c-parse.in (cast_expr): Constify.
16148 * cccp.c (special_symbol): Likewise.
16150 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16152 * dwarf2out.c (base_type_die): Likewise.
16154 * global.c (allocno_compare): Likewise.
16156 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16158 * regclass.c (fix_register): Likewise.
16160 * rtl.h (fix_register): Likewise.
16162 * stupid.c (stupid_reg_compare): Likewise.
16164 * toplev.c (decode_f_option): Likewise.
16166 * tree.c (build_complex_type): Likewise.
16168 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16170 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16172 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16174 * reload.c (find_reloads): Compute mode and nregs fields of all
16176 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16177 (calculate_needs): Use precomputed mode/nregs values.
16178 (allocate_reload_reg): Likewise.
16180 (failed_reload, set_reload_reg): ... new functions.
16181 (choose_reload_regs_init): New function, mostly broken out from...
16182 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16183 Also lose one #if 0 block.
16185 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16187 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16190 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16192 * tree.h (BLOCK_TYPE_TAGS): Remove.
16193 (BLOCK_END_NOTE): Likewise.
16194 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16195 (BLOCK_LIVE_RANGE_START): Likewise.
16196 (BLOCK_LIVE_RANGE_END): Likewise.
16197 (tree_block): Remove live_range_flag, live_range_var_flag, and
16198 type_tags. Remove end_note, live_range_start, and live_range_end.
16199 (remember_end_note): Remove prototype.
16200 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16201 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16203 * ggc-common.c (ggc_mark_tree_children): Don't mark
16204 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16205 * integrate.c (adjust_copied_decl_tree): Remove.
16206 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16207 * stmt.c (last_block_end_note): Remove.
16208 (init_stmt): Don't add a GC root for it.
16209 (expand_fixup): Don't set it.
16210 (remember_end_note): Remove.
16211 (expand_end_bindings): Don't set last_block_end_note.
16213 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16215 * reload1.c (reload_reg_free_for_value_p): Show
16216 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16219 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16221 * expmed.c (extract_bit_field): Allow for the case of non-integer
16222 objects that are smaller than a word (like SFmode on a 64-bit
16225 * loop.c (basic_induction_var): A non-integer variable which is
16226 being set by a paradoxical subreg is probably not a biv.
16228 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16230 * prefix.c (translate_name) Check for empty prefix string.
16232 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16234 * Makefile.in (CPP_CROSS_NAME): New variable.
16235 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16237 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16238 names of the files to be uninstalled.
16240 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16242 * collect2.c (IS_DIR_SEPARATOR): Define.
16243 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16245 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16248 * haifa-sched.c (add_dependence): Update the true dependency
16249 cache the first time we add a true dependence to the LOG_LINKS chain.
16251 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16253 * fold-const.c (fold): Fix comment.
16255 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16257 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16258 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16259 dbxout_start_new_source_file, dbxout_source_file,
16260 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16261 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16263 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16264 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16265 (dbxout_block): Initialize variable `blocknum'.
16267 * dbxout.h (dbxout_init, dbxout_finish,
16268 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16269 dbxout_args, dbxout_source_line): Constify a char*.
16271 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16272 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16273 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16274 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16275 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16276 src_info_attribute, mac_info_attribute, producer_attribute,
16277 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16278 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16279 dwarfout_undef): Constify a char*.
16280 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16282 * dwarfout.h (dwarfout_define, dwarfout_undef,
16283 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16285 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16287 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16288 (MULTILIB_ISA_DEFAULT): New.
16289 (MULTILIB_DEFAULTS): Use it.
16290 * config/mips/mips.c (): Remove the now unnecessary definition
16291 of MIPS_ISA_DEFAULT.
16292 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16293 unnecessary definition.
16295 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16297 * arm.md (pic_load_addr): Add constraints to operand 1.
16299 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16301 * fixinc/genfixes: Provide a means for specifying -D options to
16304 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16306 * arm.c (arm_override_options): Correct initialization of
16307 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16308 arm_is_strong, and arm_is_6_or_7.
16310 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16311 (note_set_pseudo_multiple_uses): New function.
16312 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16313 if a pseudo set in the loop exit is used elsewhere.
16315 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16317 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16319 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16321 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16322 a single load-address pattern.
16324 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16326 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16327 depending on whether or not line-number notes are present.
16329 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16331 * cccp.c (progname, file_buf, default_include, include_file,
16332 macrodef, definition, hashval, wchar_type, user_label_prefix,
16333 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16334 expand_to_temp_buffer, is_system_include, base_name,
16335 absolute_filename, read_name_map, open_include_file,
16336 record_control_macro, check_precompiled, check_preconditions,
16337 pcfinclude, pass_thru_directive, create_definition,
16338 check_macro_name, comp_def_part, collect_expansion,
16339 check_assertion, read_token_list, assertion_install,
16340 assertion_lookup, eval_if_expression, conditional_skip,
16341 validate_else, skip_quoted_string, quote_string, macarg1,
16342 error_from_errno, install, lookup, hashf, dump_defn_1,
16343 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16344 check_white_space, rescan, handle_directive, monthnames,
16345 special_symbol, do_include, remap_include_file, write_output,
16346 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16347 do_ident, do_sccs, do_xifdef, skip_if_group,
16348 output_line_directive, macroexpand, macarg, change_newlines,
16349 initialize_builtins, make_definition): Constify a char*.
16351 * pcp.h (stringdef): Likewise.
16353 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16355 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16358 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16359 Richard Henderson <rth@cygnus.com>
16361 * alias.c: Include ggc.h.
16362 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16363 (record_set): Verify enough room in reg_base_value.
16364 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16365 Register it as a GC root.
16366 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16367 * Makefile.in (alias.o): Depend on ggc.h.
16369 * unroll.c (unroll_loop): Verify the insn before a barrier
16370 is a JUMP_INSN before checking JUMP_LABEL.
16372 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16374 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16375 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16376 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16377 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16378 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16379 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16381 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16383 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16385 * alpha/alpha-interix.h (text_section): Delete prototype.
16386 * alpha/elf.h (text_section): Likewise.
16387 * arm/linux-elf.h (text_section): Likewise.
16388 * arm/linux-telf.h (text_section): Likewise.
16389 * c4x/c4x.h (text_section): Likewise.
16390 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16391 * elfos.h (text_section): Likewise.
16392 * i386/aix386ng.h (text_section): Likewise.
16393 * i386/i386-interix.h (text_section): Likewise.
16394 * i386/sco5.h (text_section): Likewise.
16395 * i386/svr3gas.h (text_section): Likewise.
16396 * nextstep.h (text_section): Likewise.
16397 * psos.h (text_section): Likewise.
16398 * ptx4.h (text_section): Likewise.
16399 * svr3.h (text_section): Likewise.
16400 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16402 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16404 * final.c (peephole): Delete prototype.
16406 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16407 (pre_insert_copies): Remove unused variable `bb'.
16409 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16412 * output.h (peephole): Add prototype.
16414 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16416 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16419 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16421 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16422 for inlined declarations.
16424 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16426 * arm.c (logical_binary_operator): New fucntion.
16427 * arm.h (logical_binary_operator): Declare it.
16428 (PREDICATE_CODES): Handle logical_binary_operator.
16429 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16430 output constraints. Add appropriate splitters.
16431 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16432 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16433 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16435 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16437 * genoutput.c (struct operand_data): New elt eliminable.
16438 (output_operand_data): Write it.
16439 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16440 (compare_operands): Take it into account.
16441 * recog.h (struct insn_operand_data): New elt eliminable.
16442 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16444 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16445 (eliminate_regs): Move code that detects changes to elimination
16446 target regs into new function elimination_effects.
16447 Delete one #if 0 block.
16448 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16449 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16450 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16451 Only call eliminate_regs for real operands of the insn, not for parts
16452 of its structure or parts matched by things like match_operator.
16453 Use elimination_effects and check_eliminable_occurrences. Use
16454 copy_insn to duplicate the pattern when not in the final pass.
16456 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16458 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16461 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16463 * fixinc/README: document the "mach" machine matching test
16464 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16465 * fixinc/fixtests.c: Implement the #else/#endif label test
16466 * fixinc/inclhack.def: utilize these tests and fixes
16467 * fixinc/inclhack.sh: regen
16468 * fixinc/fixincl.x: regen
16469 * fixinc/fixincl.sh: regen
16471 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16473 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16476 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16478 * gcc.1: Document exit codes.
16480 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16482 * calls.c: Include tm_p.h later, so everything we need is defined.
16483 * expr.c: Likewise.
16484 * function.c: Likewise.
16486 * except.c: Include tm_p.h.
16488 * sparc.c: Likewise.
16489 (dwarf2out_cfi_label): Don't prototype.
16490 (check_return_regs, epilogue_renumber,
16491 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16492 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16493 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16494 ultra_schedule_insn): Add static prototype.
16495 (data_segment_operand, text_segment_operand): Call itself with the
16496 proper number of arguments.
16497 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16499 * sparc.h: Move all declarations to sparc-protos.h.
16500 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16503 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16505 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16507 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16508 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16509 ASM_OUTPUT_ASCII): Constify a char*.
16511 * sparc-protos.h: New file for sparc prototypes.
16513 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16515 * function.c (record_insns, contains): Always declare and define.
16516 (record_insns): Mark with ATTRIBUTE_UNUSED.
16518 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16520 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16521 to .section when outputting a .bss section to deal with multiple
16522 .bss input sections (as happens with -fdata-sections)
16523 Also output %progbits, not @progbits so the assembler doesn't treat as
16525 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16527 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16528 thumb parts even when building with non-thumb CPUs, by forcing
16531 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16533 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16534 (movdf_const_intreg_sp64): Similarly.
16536 * local-alloc.c (update_equiv_regs): Check the correct insn
16537 for pre-existing REG_EQUIV notes.
16539 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16541 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16542 block reached by a branch if we're not going to actually process
16545 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16547 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16548 a local extern function declaration.
16550 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16552 * i386.c (ix86_expand_prologue): Properly wrap USE around
16553 reg for CALL_INSN_FUNCTION_USAGE.
16555 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16557 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16558 move between GP_REGs.
16560 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16562 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16563 the mode size when finding out if an offset is legal.
16565 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16567 * basic-block.h (PROP_*): Move constants from ...
16568 * flow.c: ... here.
16569 (compute_bb_for_insn): Free the array before reallocating.
16570 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16571 (allocate_reg_life_data): Reset all reg variables collected by
16573 (get_block_head_tail): Don't convert from bb to block.
16574 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16575 (find_insn_reg_weight): Take block not bb.
16576 (schedule_block): Don't set block num for moved insns.
16577 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16578 (schedule_insns): Do it here instead.
16579 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16580 before update_life_info.
16581 * recog.c (split_all_insns, peephole2_optimize): Update for
16582 new arg to update_life_info.
16583 * rtlanal.c (remove_note): Cope with NULL note.
16584 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16587 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16589 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16591 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16592 block records so that merge_blocks_nomove will clean up correctly.
16593 (split_edge): Handle casesi insns.
16595 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16597 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16599 * pa.md (call, call_value): Do not emit a blockage after restoring
16602 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16604 * c-typeck.c (c_expand_asm_operands): Fix typo.
16606 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16608 * arm.c (fpu_rhs_operand): Verify modes.
16609 (fpu_add_operand): Likewise.
16610 (di_operand): Likewise.
16611 (soft_df_operand): Likewise.
16613 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16615 * arm.c (arm_return_in_memory): APCS rules state that the elements
16616 of a structure returned in a register must be 'integer-like'.
16618 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16620 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16621 in the source tree when the generated targets are out of date
16622 * fixinc/genfixes: Alter it to run individual fixes for make.
16623 * fixinc/README: rewrite
16624 * fixinc/inclhack.def: moved initial comments to README
16626 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16628 * toplev.c (main): Do not generate an error message if an
16629 unrecognised command line switch is recognisable by another
16630 language. If extra_warnings are enabled, then generate a
16631 warning message instead.
16633 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16635 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16636 (insert_pack_attributes): Delete prototype.
16638 * c-pragma.c (default_alignment): New static variable.
16639 (push_alignment): Initialize to current effective alignment.
16640 (pop_alignment): Use to set new alignment.
16641 (insert_pack_attributes): Delete function.
16642 (handle_pragma_token): Set default_alignment as well each time
16643 a #pragma pack(<n>) is encountered.
16645 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16647 * reg-stack.c (stack_result): Aggregates are not returned in
16650 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16652 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16654 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16656 * basic-block.h (set_block_num): Declare.
16657 * flow.c (update_life_info): Don't call compute_bb_for_insn
16658 or free_basic_block_vars.
16659 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16660 (insn_orig_block): Remove.
16661 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16662 (schedule_block): Keep BLOCK_NUM up-to-date.
16663 (schedule_insns): Use compute_bb_for_insn.
16664 * recog.c (split_all_insns): Likewise.
16665 (peephole2_optimize): Likewise.
16667 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16669 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16670 if the pic register is used.
16672 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16674 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16675 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16676 if that tests TREE_PERMANENT.
16678 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16680 * cse.c (invalidate_for_call): Do not remove memory references from
16681 the table here. It's handled elsewhere.
16683 * haifa-sched.c (add_dependence): Protect references to the
16684 true dependency cache with #ifdef INSN_SCHEDULING.
16685 (remove_dependence): Similarly.
16687 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16688 to the cfg code that this is a return instruction.
16689 * mn10300.md (return_internal): Similarly.
16691 * combine.c (get_last_value): If the last set of a register
16692 is after subst_low_cuid, then we can not use it to determine
16693 the register's last value.
16695 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16697 * Makefile.in: Back out previous change.
16699 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16701 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16703 * haifa-sched.c (add_dependence): Only check/update the cache
16705 (remove_dependence): Likewise.
16706 (schedule_insns): Only create the true_dependency_cache if the
16707 average number of instructions in a basic block is very large.
16709 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16711 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16712 (ggc-simple.o): Likewise.
16713 (ggc-page.o): Likewise.
16715 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16717 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16718 Prototype for exported functions.
16719 (pre_lcm, pre_rev_lcm): Remove prototypes.
16720 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16721 (compute_available): Move to lcm.c, and change parameter order.
16722 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16723 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16724 (gcse_main): No longer call compute_preds_succs. Rebuild the
16725 set table after reach pre pass.
16726 (pre_insert_map, pre_delete_map, edge_list): New.
16727 (alloc_pre_mem): Allocate edge vectors.
16728 (free_pre_mem): Delete edge vectors.
16729 (compute_pre_data): Call new edge based lcm routines.
16730 (process_insert_insn): New function.
16731 (insert_insn_end_bb): Use it.
16732 (pre_edge_insert): New function.
16733 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16735 (pre_insert_copies): Revamp using new edge based lcm outputs.
16736 (pre_delete): Likewise.
16737 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16739 (compute_code_hoist_vbeinout): New new edge based routines.
16740 * lcm.c: Remove all the old LCM functions. Replace with new ones
16741 that work with the new cfg datastructures and work with edges
16744 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16746 * reload.h (struct reload): Add new fields "mode" and "nregs".
16747 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16748 to reference the "mode" and "nregs" field within struct reload.
16750 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16752 * haifa-sched.c (true_dependency_cache): New.
16753 (add_dependence): Use the true dependency cache to avoid expensive
16754 walks down the LOG_LINKS dependency list. Add entries to the
16755 cache as necessary.
16756 (remove_dependence): Remove entries from the true dependency cache
16758 (schedule_insns): Allocate and initialize and free the true
16761 * haifa-sched.c (schedule_insns): Do not remove inter-block
16762 dependencies anymore.
16764 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16766 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16767 * i386/t-winnt: Likewise.
16769 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16771 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16773 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16775 * Makefile.in (LANGUAGES): Omit "proto".
16776 (clean): Remove stale comment about removing unprotoize.c.
16778 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16780 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16781 using arithmetic on void pointers.
16783 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16785 * haifa-sched.c (compute_block_forward_dependencies): Only check
16786 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16788 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16790 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16791 (expr_equiv_p): Reject memories with different alias sets.
16793 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16795 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16796 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16797 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16798 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16799 (lang_init): Set default for flag_bounds_check if still "unspecified".
16801 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16803 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16805 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16807 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16810 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16812 * config/c4x/c4x.md (*db_noclobber,
16813 *decrement_and_branch_until_zero_noclobber): New patterns and
16814 associated splitters.
16816 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16818 * config/c4x/c4x.md (parallel instruction patterns): Rework
16819 constraints to keep reload happy.
16821 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16823 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16824 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16825 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16826 Add new patterns and associated post-reload splitters.
16828 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16830 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16832 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16834 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16836 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16838 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16840 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16843 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16845 * pa.c (move_operand): Rely on memory_address_p to determine the
16846 validity of non-indexed memory addresses.
16847 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16848 operand in DFmode and SFmode when generating PA2.0 code.
16850 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16852 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16854 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16856 * mips.c (function_prologue): Fix argument types.
16857 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16858 (casesi_internal): Write to the scratch register.
16860 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16862 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16864 (parse_charconst): Delete unnecessary cast when calling
16866 (cpplib.h): Kill prototype of cpp_parse_escape.
16868 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16870 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16871 * unroll.c (unroll_loop): Cast return value of alloca.
16872 * i370/i370.c: Include function.h and toplev.h.
16873 (i370_label_scan): Remove c++ commented abort.
16874 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16875 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16876 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16877 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16879 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16881 * config/t-freebsd: Do not override USER_H.
16882 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16884 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16885 Mumit Khan <khan@xraylith.wisc.edu>
16887 * c-parse.in (component_decl): Support anonymous struct/union.
16889 * c-parse.y: Regenerate.
16890 * c-parse.c: Likewise.
16891 * objc/objc-parse.y: Likewise.
16892 * objc/objc-parse.c: Likewise.
16893 * c-decl.c (finish_struct): Don't sort the fields.
16894 (field_decl_cmp): Delete unused function.
16896 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16898 * sparc.md (movsf_const_intreg): Revert last constraint change.
16899 (movdf_const_intreg_sp32): Likewise.
16901 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16903 * cse.c: Include hashtab.h instead of splay-tree.h
16904 (struct cse_reg_info): No longer use variant union. Add new
16905 field "regno". All references changed to avoid union.
16906 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16907 (free_cse_reg_info): Remove.
16908 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16909 (get_cse_reg_info): Revamp to use expandable hash tables instead
16910 of splay trees. Initialize new fields in cse_reg_info structure.
16911 (new_basic_block): Similarly.
16913 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16915 * genrecog.c (message_with_line): Prototype.
16916 (validate_pattern): Pass along the set for the dest, not a flag.
16917 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16918 Check for PC/CC0 as sources.
16919 (nodes_identical): Check for children position match before
16920 allowing the combination.
16922 * rtl.c (read_rtx): Track line number across \\\n.
16924 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16926 * mips.h (SPECIAL_MODE_PREDICATES): New.
16927 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16928 (movdi+1, movsi+1): Add output reload constraint.
16929 (casesi_internal): Likewise. Fix commentary.
16930 (return_internal): Use pmode_register_operand.
16932 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16934 * 1750a.md (movstrqi): Add missing output reload constraint.
16935 (call_value): Likewise.
16936 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16937 (jmpfdec): Add missing inout reload constraint.
16938 * elxsi.md (addsi patterns): Add missing output reload constraint.
16939 (move from sp): Use @ alternates.
16940 (call_value): No constraint on output.
16941 * fr30.md (movsi_pop): Add missing output reload constraint.
16942 (movsf_constant_store): Likewise.
16943 (splits): Remove constraints.
16944 (subsi3): Add missing mode.
16945 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16946 (call_value): Likewise.
16947 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16948 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16949 * m32r.md (movsicc_internal): Add output reload constraint.
16950 (movstrsi_internal): Add inout reload constraints.
16951 * m88k.h (reg_names): Don't declare.
16952 (SPECIAL_MODE_PREDICATES): New.
16953 * m88k.md (*): Use register_operand not reg_or_0_operand
16955 * mn10200.h (PREDICATE_CODES): New.
16956 * ns32k.md (ffs pattern): Add output reload constraint.
16957 * pdp11.md (sob pattern): Add inout reload constraint.
16958 * sh.md (splits): Remove constraints.
16959 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16960 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16961 * vax.md (jgequ pattern): Add inout reload constraint.
16963 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16965 * configure.in (djgpp): Revert previous patch.
16966 * configure: Rebuit.
16967 * config/i386/djgpp.h: Revert previous patch.
16969 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16971 * fixinc/inclhack.def: Restore patch lost during last merge of
16972 "no_bogosity" branch.
16973 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16975 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16977 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16978 * fixinc/inclhack.def: Same.
16979 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16981 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16983 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16984 as the base of a PLUS.
16986 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16988 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16989 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16991 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16993 * pa.md (post_stw+1): Use pmode_register_operand.
16994 (dcacheflush, icacheflush): Likewise.
16996 * i386.md (movstricthi_1): Allow r/r.
16998 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17000 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17001 to (not (and (arg0) (arg1))). Similary for and.
17003 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17004 fallthrough to associate code.
17005 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17008 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17009 no bits in common; remove XOR to ROTATE conversion.
17011 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17013 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17015 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17017 * config/c4x/c4x.c (dst_operand): New.
17018 (PREDICATE_CODES): Update.
17019 * config/c4x/c4x.h (dst_operand): Declare it.
17020 * config/c4x/c4x.md: Define mode for each unspec usage.
17021 (move patterns): Use dst_operand predicate instead of src_operand.
17022 (movqi_update, movqf_update): Delete.
17024 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17026 * recog.c (pmode_register_operand): New.
17027 * recog.h: Declare it.
17028 * genrecog.c (pred_codes): Likewise.
17029 (special_mode_pred_table): Likewise.
17030 (validate_pattern): Don't warn no mode for address_operand.
17032 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17033 if the operand is not insn-like.
17035 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17036 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17038 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17040 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17042 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17043 instead of general_operand in a SET_DEST. Use const_double_operand
17044 instead of an explicit test against CONST_DOUBLE.
17045 (movsf_const_lo): Add missing register mode.
17046 (goto_handler_and_restore): Add auxiliary test for Pmode.
17047 (flush): Adjust to use address_operand.
17048 (return_sf_no_fpu): Add missing output constraint.
17050 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17052 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17053 for call return value.
17054 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17056 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17058 * toplev.c (main): Only warn about options for other languages.
17059 * collect2.c (main): Pass -w to sub-gcc.
17061 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17063 * flow.c (propagate_block): Add call-clobbered registers to
17066 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17067 zapping mem_set_list.
17068 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17069 (mark_set_1, mark_used_regs): Likewise.
17071 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17073 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17075 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17077 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17078 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17079 options. Also add a new item "C-only Warning Options" to the
17082 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17084 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17085 from multiple calls.
17087 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17089 * i386.md (call value patterns): Move to the end of the file.
17090 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17092 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17094 * configure.in (djgpp configuration): Define extra_objects..
17095 * configure: Rebuilt.
17096 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17097 (DTORS_SECTION_ASM_OP): Define.
17098 (INIT_SECTION_ASM_OP): Define.
17099 (FINI_SECTION_ASM_OP): Define.
17100 (DATA_SECTION_ASM_OP): Define.
17101 (TEXT_SECTION_ASM_OP): Define.
17102 (EH_FRAME_SECTION_ASM_OP): Define.
17103 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17104 (STARTFILE_SPEC): Add crtbegin.o.
17105 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17106 to here from LINK_COMMAND_SPEC.
17107 (DO_GLOBAL_CTORS_BODY): Define.
17108 (CRTSTUFF_USE_FINI_SECTION): Define
17109 (HAS_INIT_SECTION): Delete.
17111 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17113 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17115 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17117 * pa.h (PREDICATE_CODES): New.
17119 * genrecog.c (validate_pattern): Condense the destination
17120 non-lvalue message.
17122 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17124 * alpha.md (call-1): Supply missing mode for operator.
17125 (*): Add missing output reload constraints. Remove constraints
17126 from define_splits.
17128 * i386.h (SPECIAL_MODE_PREDICATES): New.
17129 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17130 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17131 (addsi_lea_3): Add missing mode for op 3.
17132 (prologue_set_got, prologue_get_pc): Add missing modes.
17133 (*) Add missing output reload constraints.
17135 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17137 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17138 check for member bit-size overflow and use var_size if it occurs.
17139 (layout_record): Use bitsize_int() to define the type size in bits.
17140 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17141 (layout_decl): Likewise when assigning to DECL_SIZE.
17143 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17145 * genrecog.c (validate_pattern): Typo last change. Verify
17146 that output operands have output reloads.
17148 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17150 * genrecog.c (special_mode_pred_table): New.
17151 (NUM_SPECIAL_MODE_PREDS): New.
17152 (find_operand): New.
17153 (validate_pattern): New argument `insn'. Warn for assignment to
17154 any predicate accepting non-lvalues. Conditionaly warn for
17155 match_operand without a mode. Try much harder to match source
17156 and destination modes on a set.
17157 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17159 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17161 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17163 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17165 * combine.c (simplify_logical): Recognize xor pattern that encodes
17168 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17170 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17173 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17175 * ggc-page.c (MAP_FAILED): Provide default.
17177 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17179 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17180 * sparc.h (PREDICATE_CODES): Update.
17182 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17184 * alpha.c (some_ni_operand): New.
17185 * alpha-protos.h: Declare it.
17186 * alpha.h (PREDICATE_CODES): Update.
17187 * alpha.md (sXaddq reload insns): Use some_ni_operand
17188 for SET_DEST instead of some_operand.
17190 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17191 Jim Wilson <wilson@cygnus.com>
17193 * genrecog.c (maybe_both_true_2): Don't compare modes of
17195 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17196 after find_afterward.
17197 (debug_decision_1): Dump next and afterward codes.
17199 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17201 * rtl.c (dump_and_abort): Remove.
17202 (fatal_with_file_and_line): New.
17203 (fatal_expected_char): New.
17204 (read_rtx_lineno, read_rtx_filename): New.
17205 (read_skip_spaces): Track line number.
17206 (read_name): Use fatal_with_file_and_line.
17207 (read_rtx): Use fatal_expected_char. Track line number.
17208 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17210 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17211 if it isn't a CODE_LABEL.
17213 * genattr.c (main): Set read_rtx_filename.
17214 * genattrtab.c (main): Likewise.
17215 * gencodes.c (main): Likewise.
17216 * genconfig.c (main): Likewise.
17217 * genemit.c (main): Likewise.
17218 * genextract.c (main): Likewise.
17219 * genflags.c (main): Likewise.
17220 * genopinit.c (main): Likewise.
17221 * genoutput.c (main): Likewise.
17222 * genpeep.c (main): Likewise.
17224 * genrecog.c (decision_test.u.insn): Add `lineno'.
17225 (pattern_lineno, error_count): New variables.
17226 (message_with_line): New.
17227 (add_to_sequence): Break out checking code to ...
17228 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17229 (merge_insn): Use message_with_line.
17230 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17231 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17233 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17235 * expr.c (store_constructor): Clear union if constructor is empty.
17237 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17239 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17240 Add !endian checks. Change %{...} to %(...).
17242 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17244 * i386.md (*addsi3_cc): Renamed from addcsi3.
17245 (*addsi3_carry): Renamed from addxsi3.
17246 (*subsi3_cc): Renamed from subcsi3.
17247 (*subsi3_carry): Renamed from subxsi3.
17248 (*xorqi_cc_1): Renamed from xorcqi_1.
17249 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17250 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17252 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17254 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17255 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17257 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17259 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17260 climb up the chain of insns.
17262 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17264 * genrecog.c (write_subroutine): Careful for null trees.
17265 (process_tree): Don't elide empty functions.
17267 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17269 * Makefile.in (genrtl.o): Depend on ggc.h.
17270 * configure.in (valloc): Probe for it.
17271 (with-gc): Use ggc-page if valloc present.
17272 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17273 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17274 (ggc_alloc_string): Moved from ggc-page.c.
17275 * ggc-none.c (ggc_alloc_obj): New.
17276 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17277 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17278 (struct globals): Likewise for dev_zero_fd.
17279 (init_ggc): Likewise for it's initialization.
17280 (ggc_allocated_p): Move careful dereference from ...
17281 (ggc_lookup_page_table): ... here. Delete.
17282 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17283 (alloc_anon): Use valloc if no mmap.
17284 (release_pages): Use free if using valloc.
17285 (ggc_alloc_obj): Renamed from alloc_obj.
17286 (ggc_set_mark): Renamed from mark_obj.
17287 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17288 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17289 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17290 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17291 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17292 (ggc_collect): Use fp printing instead of our own rounding.
17293 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17294 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17295 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17296 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17297 (struct ggc_string, struct ggc_any): Delete.
17298 (offsetof): Provide default definition.
17299 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17301 (struct ggc_mem): New, from corpse of ggc_any.
17302 (struct ggc_status): Delete.
17303 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17304 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17305 (n_strings_collected, n_anys_collected): Delete.
17306 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17307 (ggc_alloc_string, ggc_alloc): Delete.
17308 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17309 (ggc_free_string, ggc_free_any): Delete.
17310 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17311 (ggc_compare_addresses, ggc_mark_string): Delete.
17312 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17313 (search_data): Delete.
17314 (struct globals): New.
17315 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17316 (tree_insert, tree_lookup): New.
17317 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17318 (clear_marks, sweep_objs): New.
17319 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17320 (init_ggc): Set allocated_last_gc.
17321 (ggc_push_context): Gut. Use G.context.
17322 (ggc_pop_context): Likewise.
17323 (ggc_pop_context_1): New.
17324 (debug_ggc_tree): New.
17325 (debug_ggc_balance, tally_leaves): New.
17326 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17327 (ggc_mark_string_if_gcable): Remove decl.
17328 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17329 (ggc_mark_rtvec_children): New.
17330 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17331 (ggc_mark_if_gcable): New decl.
17332 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17333 (ggc_alloc_tree, ggc_alloc): Likewise.
17334 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17335 (ggc_alloc_obj): New decl.
17336 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17337 (ggc_alloc_tree, ggc_alloc): Likewise.
17338 (ggc_set_mark): New decl.
17339 * rtl.h (struct rtx_def): Remove gc_mark.
17340 (struct rtvec_def): Likewise.
17341 * tree.h (struct tree_common): Likewise.
17343 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17345 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17346 float_format and thread_file definitions.
17347 * configure: Rebuilt.
17349 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17351 * extend.texi (Function Names): Document types of function names.
17353 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17355 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17356 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17358 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17360 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17362 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17364 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17366 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17368 * collect2.c (main): Do prelimnary link on AIX if rflag.
17370 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17372 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17373 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17375 (__do_global_dtors): similarly for __DTOR_LIST__.
17377 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17378 Diego Novillo <dnovillo@cygnus.com>
17380 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17383 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17385 * fixincl/*: Merged "no_bogosity" branch
17386 * fixincl/fixlib.h: protect against doubly defining t_bool
17387 * fixincl/server.h: protect against doubly defining t_bool
17389 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17391 * genoutput.c: Include toplev.h.
17393 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17395 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17397 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17398 * configure: Regenerate.
17400 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17402 * gcse.c (delete_null_pointer_checks): Returns void.
17404 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17406 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17407 * emit-rtl.c (copy_insn_1): Likewise.
17409 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17411 * config/mips/mips.c (mips_build_va_list): Correct
17412 TREE_CHAIN setting when hard-float.
17413 (mips_va_start): Use corrected setting.
17414 (mips_va_arg): Likewise. Also pass a tree to build of
17415 POSTINCREMENT_EXPR rather than a naked 'int'.
17417 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17419 * ggc.h (ggc_push_context): Fix comment.
17420 (ggc_pop_context): Likewise.
17421 (mark_string_if_gcable): Likewise.
17422 * ggc-common.c (ggc_mark_rtx_children): Use
17423 ggc_mark_string_if_gcable.
17424 * ggc-page.c (ggc_lookup_page_table): New function.
17425 (ggc_allocated_p): Likewise.
17426 (mark_obj): Fix formatting.
17427 (ggc_mark_string_if_gcable): New function.
17428 * ggc-simple.c (ggc_allocated_strings): New variable.
17429 (ggc_strings_used): Likewise.
17430 (ggc_compare_addresses): New function.
17431 (ggc_pop_context): Pop the `any' memory too.
17432 (ggc_mark_string_if_gcable): New function.
17433 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17435 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17437 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17438 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17439 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17442 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17444 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17445 (sched_reg_live_length, sched_reg_basic_block): Delete.
17446 (current_block_num, bb_live_regs, old_live_regs): Delete.
17447 (dead_notes, struct sometimes): Delete.
17448 (sched_note_set, birthing_insn_p): Delete.
17449 (adjust_priority): Gut useless reg lifetime code.
17450 (create_reg_dead_note, attach_deaths): Delete.
17451 (attach_deaths_insn, new_sometimes_live): Delete.
17452 (finish_sometimes_live): Delete.
17453 (find_pre_sched_live, find_post_sched_live): Delete.
17454 (update_reg_usage): Delete.
17455 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17456 (schedule_insns): Delete reg lifetime code.
17457 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17458 (unlink_other_notes): Adjust REG_NOTE commentary.
17459 (reemit_notes): Use REG_SAVE_NOTE.
17460 (schedule_block): Likewise.
17461 (schedule_region): Allocate bitmap of blocks in region. Use
17462 count_or_remove_death_notes. Use update_life_info.
17464 * rtl.h (REG_SAVE_NOTE): New.
17465 * rtl.c (reg_note_name): Update.
17467 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17469 * combine.c (refresh_blocks, need_refresh): New.
17470 (combine_instructions): Allocate refresh_blocks. Invoke
17471 update_life_info if needed.
17472 (distribute_notes): Mark refresh_blocks instead of installing
17474 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17475 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17477 * Makefile.in (recog.o): Depend on basic-block.h.
17479 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17481 * genrecog.c (add_to_sequence): Thinko last change: delete
17482 shadowing allow_const_int variable.
17484 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17486 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17487 __GNUC__ and __GNUC_MINOR__.
17489 * gansidecl.h: Likewise.
17495 * toplev.h: Likewise.
17497 * tree.c: Likewise.
17499 * tree.h: Likewise.
17501 * varray.c: Likewise.
17503 * varray.h: Likewise.
17505 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17507 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17508 use one before a jump table.
17510 * rtl.def (ADDRESS): Change documentation to match reality.
17511 * md.texi: Don't document it.
17512 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17515 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17517 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17519 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17520 known predicate block; default allow_const_int true.
17521 (debug_decision_list): New.
17523 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17525 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17527 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17529 * gcse.c (gcse_main): Avoid global optimizations if we have a
17530 large number of basic blocks and the ratio of edges to blocks
17532 (delete_null_pointer_checks): Likewise.
17534 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17536 * c-common.c (check_format_info): Warn if format string isn't a
17539 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17541 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17542 * configure: regenerate
17544 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17546 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17547 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17548 (peepholes): Re-enable.
17550 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17552 * Makefile.in (flow.o): Depend on TREE_H.
17553 * basic-block.h (REG_SET_EQUAL_P): New.
17554 (XOR_REG_SET): New.
17555 (n_edges): Declare.
17556 (free_regset_vector): Remove declaration.
17557 (flow_delete_insn_chain): Declare.
17558 (enum update_life_extent): New.
17559 (update_life_info, count_or_remove_death_notes): Declare.
17560 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17561 Verify register live at bb->global_live_at_start before adding USE.
17562 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17563 (CLEAN_ALLOCA): New.
17565 (PROP_*): New flags.
17566 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17567 (clear_edges): Zero n_edges.
17568 (make_edge): Increment n_edges.
17569 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17570 (flow_delete_insn_chain): Export.
17571 (delete_block): Decrement n_edges.
17572 (merge_blocks_nomove): Likewise.
17573 (life_analysis): Give life_analysis_1 PROP flags.
17574 (verify_wide_reg_1, verify_wide_reg): New.
17575 (verify_local_live_at_start): New.
17576 (update_life_info): Rewrite to call into propogate_block.
17578 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17579 always mark stack pointer. Conditionally mark PIC register.
17580 After reload, mark call-saved registers, return regsiters.
17581 (life_analysis_1): Accept PROP flags not remove_dead_code.
17582 Call mark_regs_live_at_end before zeroing regs_ever_live.
17583 Use calculate_global_regs_live. Copy global_live_at_end before
17584 calling final propagate_block. Zero reg_next_use on exit.
17585 (calculate_global_regs_live): New.
17586 (allocate_bb_life_data): Don't allocate bb->local_set.
17587 (init_regset_vector, free_regset_vector): Remove.
17588 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17589 Test flags before every operation. Warn if prologue/epilogue insn
17590 would have been deleted.
17591 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17592 Use alloc_EXPR_LIST.
17593 (mark_used_regs): Accept and use FLAGS, not FINAL.
17594 Remove special handling for RETURN.
17595 (try_pre_increment): Use alloc_EXPR_LIST.
17596 (dump_flow_info): Dump n_edges.
17597 (unlink_insn_chain, split_hard_reg_notes): Remove.
17598 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17599 (find_insn_with_note, new_insn_dead_notes): Remove.
17600 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17601 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17602 (replace_insns): Remove.
17603 (count_or_remove_death_notes): New.
17604 (verify_flow_info): Abort on error after all checks.
17605 (remove_edge): Decrement n_edges.
17606 (remove_fake_edges): Tweak format.
17607 * haifa-sched.c (schedule_insns): Use split_all_insns.
17608 * output.h (update_life_info): Remove declaration.
17609 * recog.c (split_all_insns): From the corpse of split_block_insns,
17610 do the whole function block by block. Use update_life_info.
17611 (recog_last_allowed_insn): New.
17612 (recog_next_insn): Mind it.
17613 (peephole2_optimize): Set it. Walk backwards through blocks.
17614 Use update_life_info.
17615 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17616 (split_all_insns): Declare.
17617 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17618 Use split_all_insns.
17620 * i386.md (or -1 peep2s): Disable.
17622 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17624 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17625 a single pattern. Scrap the 'd' versions as unnecessary.
17627 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17628 tablejump_mips162,tablejump_internal4): The operands to a
17629 label_ref must be VOIDmode.
17631 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17633 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17635 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17637 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17639 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17641 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17642 cache every function if ggc_p.
17644 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17646 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17647 instead of copy_rtx. Accept sequences that contain asm statements.
17648 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17649 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17650 orig_asm_operands_vector, copy_asm_operands_vector,
17651 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17653 * rtl.h (copy_insn, copy_insn_1): Declare.
17655 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17657 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17659 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17660 arguments to `current_file_function_operand'.
17662 * genrecog.c: Include hard-reg-set.h and resource.h in the
17663 generated output file.
17665 * real.c: Include tm_p.h.
17667 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17669 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17672 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17674 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17675 before the fctiwz insn.
17677 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17678 Mark Mitchell <mark@codesourcery.com>
17680 * tree.c (make_lang_type_fn): New funtion pointer.
17681 (make_lang_type): Call it.
17682 * tree.h (make_lang_type): Declare.
17683 (make_lang_type_fn): Likewise.
17684 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17686 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17688 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17689 make sure that HIGH instructions are copied into BASE_REGS.
17691 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17693 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17695 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17697 * c-decl.c (finish_struct): Use simpler method of
17698 removing elements of a singly-linked list.
17700 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17702 * alpha.md (peephole2's): Comment out peephole2's that generate
17705 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17707 * genrecog.c (add_to_sequence): Disable mode check for
17710 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17712 * ggc-simple.c (init_ggc): Set empty_string.
17714 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17716 * configure.in: Detect mmap. Add --with-gc=foo to select
17717 garbage collector; default to page if mmap available.
17718 * Makefile.in (GGC): Substitute.
17720 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17722 * c-decl.c (ggc_p): Enable.
17724 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17726 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17728 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17730 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17731 string for little-endian-data.
17733 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17735 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17736 case somebody tries to compile --enable-checking code with gcc
17739 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17741 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17744 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17746 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17747 * jump.c (jump_optimize_1): Document why.
17749 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17751 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17752 pointers and casts for `int_handler' and `quit_handler'.
17754 * flow.c (verify_flow_info, split_hard_reg_notes,
17755 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17756 remove_edge, remove_fake_successors): Add static prototypes.
17757 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17758 (mark_set_1): Initialize variable `regno'.
17759 (unlink_insn_chain): Likewise for variable `curr'.
17760 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17762 * loop.c (strength_reduce): Initialize variable
17763 `unrolled_insn_copies'.
17764 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17765 prototypes. Change these functions to take const PTR parameters
17766 to avoid prototype conflict when used as the comparson argument
17768 (check_dbra_loop): Initialize variable `comparison_val'.
17770 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17771 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17772 (find_valid_class): Initialize variable `best_class'.
17773 (find_reloads): Call memcpy, not bcopy.
17775 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17776 (hard_reg_use_compare): Don't needlessly cast away const.
17777 (reload_reg_class_lower): Likewise.
17778 (choose_reload_regs): Initialize variable `regno'.
17780 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17782 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17784 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17786 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17787 ({,d}discard): Add forward declarations. Declare parameter as
17789 (main_without_main): Explicitly declare return type to be int.
17790 (memcpy): Properly declare.
17792 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17793 building the trampoline support, declare malloc, free, and
17795 (__clear_cache): Mark arguments as potentially unused.
17797 * frame.c (toplevel): If inhibit_libc is defined, declare
17800 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17802 * flow.c (make_edge): Accept an optional 2D bitmap in which
17803 to cache edge existence. Update all callers.
17804 (make_label_edge, make_eh_edge): Pass through the edge cache.
17805 (make_edges): Provide the cache.
17807 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17809 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17811 (local_mbtowc): Change the type of variable `i' from int to size_t.
17813 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17814 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17816 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17818 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17819 after other includes that define the appropriate types. Include
17820 tm_p.h for getting user prototypes.
17821 * ggc-callbacks.c (toplevel): Ditto.
17822 * ggc-none.c (toplevel): Ditto.
17823 * gcc-page.c (toplevel): Ditto.
17824 * ggc-simple.c (toplevel): Ditto.
17826 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17827 Jonathan Larmour <jlarmour@cygnus.co.uk>
17829 * config/mips/mips.c (mips_move_2words): Split doubles if
17830 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17832 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17834 * genrecog.c (struct decision_test): New.
17835 (struct decision): Remove test-related members, sort the rest by size.
17836 (IS_SPLIT): Simplify.
17837 (new_decision, new_decision_test): New.
17838 (add_to_sequence): Use them. No special handling for args of
17840 (maybe_both_true): Renamed from not_both_true; return sense changed.
17841 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17842 of maybe_both_true and adjusted for decision_test.
17843 (position_merit): Remove.
17844 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17845 (merge_accept_insn): New, broken out of merge_trees.
17846 (merge_trees): Use them. No special case for c_test; no node
17847 splitting; use test type instead of position_merit.
17848 (factor_tests): New.
17849 (simplify_tests): New.
17850 (break_out_subroutines): Don't write code now.
17851 (find_afterward): New.
17852 (write_afterward, write_switch, write_cond): New.
17853 (write_action, is_unconditional): New.
17854 (write_node): New. Use them.
17855 (write_tree_1): Rewrite. Use the new functions above.
17856 (write_tree): Remove afterward processing.
17857 (write_subroutine): Simplify function variant emission.
17858 (write_subroutines): New.
17859 (same_codes, clear_codes): Remove.
17860 (same_modes, clear_modes): Remove.
17861 (write_header): New, broken out of main.
17862 (make_insn_sequence): Use new_decision and new_decision_test.
17863 (process_tree): New, broken out of main.
17864 (main): Adjust for merge_trees interface change.
17865 Don't #define operands in the output file.
17866 (record_insn_name): New, broken out of make_insn_sequence.
17867 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17868 (debug_decision): New.
17870 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17872 * resource.c (find_free_register): Mark class_str argument const.
17873 * resource.h: Update prototype to match.
17875 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17876 * i386.md: Give all anonymous insns names.
17878 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17880 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17883 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17885 * toplev.c (dbr_sched_time): Unconditional.
17886 (peephole2_time): New.
17887 (compile_file): Add pass numbers to all of the dump file suffixes.
17888 Dump peephole2_time. Don't dump times for non-applicable passes.
17889 (rest_of_compilation): Add pass numbers to dump file suffixes.
17890 Conditionalize calls to the scheduler.
17891 * invoke.texi: Update.
17893 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17895 * flow.c (make_edges): Fix insn iteration.
17896 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17897 (find_basic_blocks_1): Fix spelling mistake.
17899 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17901 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17902 always have side-effects. Use memset not bzero.
17903 (make_node): Likewise.
17905 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17907 * stmt.c (expand_anon_union_decl): When any of the elements of the
17908 union is addressable, so is the entire union.
17910 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17912 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17914 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17915 * bitmap.c (bitmap_operation): Return true iff TO changed.
17916 (bitmap_equal_p): New.
17917 (bitmap_bit_p): Tidy arithmetic.
17918 (debug_bitmap_file): Likewise.
17920 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17922 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17923 before cse2 instead of after.
17925 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17927 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17930 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17932 * cppinit.c (is_idchar initializer): Loosen tests to accept
17935 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17937 * mips.md: Define conditional move patterns for floating point
17938 operands and DI mode conditions.
17940 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17942 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17943 always have side-effects.
17945 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17947 * mn10200.c (asm_file_start): Fix typo.
17949 * cppinit.c (is_idchar initializer): Tighten tests for when
17950 to put the table into initialized memory.
17952 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17953 not an array of rtunion.
17954 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17955 * gcc-simple (ggc_free_rtvec): Similarly.
17957 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17960 * mbchar.h: Add missing #endif.
17962 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17963 (FPBIT, DPBIT): Define.
17965 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17967 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17969 * profile.c (instrument_arcs, output_gcov_string,
17970 tablejump_entry_p): Add static prototypes.
17971 (output_gcov_string): Constify a char*.
17973 * regmove.c (replacement_quality, fixup_match_2): Add static
17976 * resource.h (reg_dead_p): Add extern prototype.
17978 * rtl.c (trim_filename): Add static prototype.
17980 * scan-decls.c (skip_to_closing_brace): Likewise.
17982 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17983 (expand_end_case): Initialize variable `range'.
17984 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17986 * varasm.c (asm_emit_uninitialised): Add static prototype.
17987 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17990 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17992 * cpplib.c (if_directive_nameo): Add static prototype.
17994 * cse.c (cse_insn): Remove unused variable `p'.
17996 * except.c (create_rethrow_ref, push_entry,
17997 receive_exception_label, new_eh_region_entry, find_func_region,
17998 clear_function_eh_region, process_nestinfo): Add static prototypes.
17999 (get_reg_for_handler): Hide definition.
18000 (process_nestinfo): Initialize variable `extra_handlers'.
18002 * expr.h (expand_builtin_longjmp): Add extern prototype.
18004 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18006 * function.c (prepare_function_start): Likewise.
18007 (pop_function_context_from): Mark parameter `context' with
18009 (push_temp_slots_for_block, flush_addressof): Hide definition.
18011 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18012 solve_program_flow_graph, calculate_branch_probs,
18013 function_summary, main, fancy_abort): Add prototypes.
18015 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18016 (add_hash): Constify a char*.
18018 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18019 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18020 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18022 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18024 * lists.c (free_list, zap_lists): Likewise.
18026 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18028 * alias.c (nonlocal_reference_p): Add static prototype.
18030 * bitmap.c (bitmap_element_allocate): Prototype args in function
18033 * builtins.c (stabilize_va_list): Add static prototype.
18034 (expand_builtin_va_arg): Constify a char*.
18036 * c-lex.c (getch, put_back, extend_token_buffer_to,
18037 read_line_number, token_getch, token_put_back): Add static
18040 * c-parse.gperf (hash, is_reserved_word): Likewise.
18042 * cccp.c (is_dir_separator): Likewise.
18044 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18046 * graph.h: New file to prototype functions exported by graph.c.
18048 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18050 * graph.c: Include graph.h.
18052 * toplev.c: Likewise. Remove redundant prototypes.
18054 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18056 * invoke.texi: Removed duplicated description for -Q.
18058 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18060 * extend.texi: Grammar fix in __extension__ text.
18062 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18064 * md.texi (define_peephole2): New section.
18066 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18068 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18069 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18072 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18074 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18076 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18078 * i386.md (ffs expander): Emit Pentium friendly code for
18081 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18083 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18085 (build1): Likewise.
18087 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18089 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18091 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18093 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18094 register is in use.
18096 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18098 * md.texi (No Constraints): Delete section.
18099 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18100 * final.c (final_scan_insn): We always have register constraints.
18101 * genattrtab.c: Don't include "insn-config.h".
18102 (write_attr_case): We always have register constraints.
18103 * genconfig.c (register_constraint_flag): Delete.
18104 (walk_insn_part): Don't check whether we have register constraints.
18105 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18106 * genoutput.c (have_constraints): Delete.
18107 (main): Don't set it.
18108 (output_operand_data): We always have constraints.
18109 (scan_operands): Likewise.
18110 (compare_operands): Likewise.
18111 * local-alloc.c (block_alloc): We always have constraints.
18112 (requires_inout): Always compile this function.
18113 * recog.c (extract_insn): We always have constraints.
18114 (constrain_operands, reg_fits_class_p): Always compile these
18116 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18118 (struct insn_operand_data): Likewise.
18119 * regclass.c (regclass): We always have constraints.
18120 (record_reg_classes, copy_cost, record_address_regs,
18121 auto_inc_dec_reg_p): Always compile these functions.
18122 * regmove.c (regmove_optimize): We always have constraints.
18123 * reload.c (find_reloads): Likewise.
18124 * reload1.c (reload): Likewise.
18125 (reload_cse_simplify_operands): Likewise.
18126 * i860.c (output_delay_insn): Likewise.
18128 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18130 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18132 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18134 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18135 for the va_list record.
18137 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18139 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18142 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18144 * alias.c: Include insn-flags.h.
18145 * Makefile.in (alias.o): Update.
18147 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18149 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18150 to LTU and GEU. Handle more cases using sbb.
18152 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18154 * i386.md (truncatexfdf splitters): Do not use subreg.
18155 (fop XFmode patterns): Fix mode in operand testing.
18157 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18159 * jump.c (jump_optimize_1): Amend last change to test only the
18160 form of the operand, not the insn.
18162 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18163 not register_operand to determine when B may need preloading.
18165 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18167 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18168 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18169 (call-value patterns): Move to end of file.
18170 (*): Remove mode from label_ref in (pc) context.
18171 (movstrqi): Use memory not general_operand for BLKmode operands.
18172 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18173 to register_operand operands.
18174 (peep2 patterns): Convert from commented-out peephole patterns.
18176 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18178 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18179 to BUILT_IN_INIT_DWARF_REG_SIZES.
18180 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18181 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18182 expand_builtin_init_dwarf_reg_sizes.
18183 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18184 with __builtin_init_dwarf_reg_size_table.
18185 * dwarf2out.c (struct reg_size_range): Delete.
18186 (expand_builtin_init_dwarf_reg_sizes): New function.
18187 (expand_builtin_dwarf_reg_size): Delete.
18188 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18189 (expand_builtin_dwarf_reg_size): Don't declare.
18190 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18191 (dwarf_reg_size_table): New.
18192 (init_reg_size_table): New function.
18193 (copy_reg): Use dwarf_reg_size_table.
18194 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18197 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18199 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18200 Correctly build argument list to constructor and destructor functions.
18202 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18204 * c-tree.h (warn_float_equal): Declare.
18205 * c-decl.c (warn_float_equal): Define.
18206 (c_decode_option): Recognize -W[no-]float-equal.
18207 * c-typeck.c (build_binary_op): Conditionally warn
18208 about equality tests of floating point types.
18209 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18210 * invoke.texi: Add docs for -Wfloat-equal warning.
18212 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18214 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18215 generating RTL directly.
18216 * mips.h (INIT_TARGET_OPTABS): Likewise.
18217 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18219 * expr.h (init_mov_optab): Delete declaration
18221 * h8300.c (WORD_REG_USED): Update to avoid useless register
18222 saves in interrupt functions and functions which never return.
18224 * cse.c (struct set): Delete inner_dest_loc field.
18225 (cse_insn): Remove assignments to inner_dest_loc field.
18227 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18229 * ggc-page.c: Don't include <unistd.h> etc taken care of
18230 by "system.h". Include <sys/mman.h> afterward.
18232 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18234 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18237 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18239 * xcoffout.c (xcoffout_declare_function): Add documentation.
18240 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18241 TARGET_64BIT. Compare constant to -1, not bit pattern.
18242 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18243 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18246 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18248 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18249 origin_die is NULL.
18250 (gen_inlined_enumeration_type_die): Do not abort if the type has
18251 not been writeen out.
18252 (gen_inlined_structure_type_die): Do not abort if the type has
18253 not been writeen out.
18254 (gen_inlined_union_type_die): Do not abort if the type has
18255 not been writeen out.
18256 (gen_tagged_type_instantiation_die): Do not abort if the type
18257 has not been written out.
18259 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18261 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18263 * reg-stack.c (straighten_stack): Copy hard reg set with
18266 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18268 * builtins.c (stabilize_va_list): Stabilize array type va_list
18269 to a pointer type, not the base record type.
18270 (expand_builtin_va_copy): Dereference the pointers explicitly;
18271 use the correct size for the copy.
18273 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18274 (rs6000_va_arg): Likewise.
18276 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18278 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18280 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18282 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18284 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18286 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18288 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18289 (init_ggc): Use it instead of a constant.
18290 (ggc_collect): Bound allocated_last_gc by it.
18292 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18294 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18297 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18299 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18300 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18301 * configure: Regen.
18302 * config/mips/openbsd.h: New, OpenBSD little endian target.
18303 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18304 * config/mips/xm-openbsd.h: New, OpenBSD host.
18306 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18308 * config/m68k/m68k.c (output_function_prologue,
18309 output_function_epilogue): Use
18310 current_function_uses_pic_offset_table instead of regs_ever_live
18311 to decide whether to save/restore pic register.
18312 (legitimize_pic_address): Don't modify regs_ever_live any more.
18314 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18316 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18317 * stor-layout.c (variable_size): Don't add sizes to the pending
18318 sizes list if x_dont_save_pending_sizes_p is set.
18320 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18322 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18323 for symbolic_operand().
18324 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18326 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18328 * combine.c (gen_rtx_combine): Add missing call to va_end().
18330 * final.c (asm_fprintf): Likewise.
18332 * genattrtab.c (attr_rtx): Likewise.
18334 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18336 * cse.c: Update comments.
18337 (cse_insn): When converting a conditional/computed jump into
18338 an unconditional jump, always make sure a BARRIER immediately
18339 follows the converted jump. Do not delete unreachable code.
18340 (cse_basic_block): Do not delete unreachable code.
18341 * toplev.c (rest_of_compilation): Move call to
18342 delete_trivially_dead_insns after the conditional call to
18345 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18347 * collect2.c (make_temp_file): Don't prototype.
18349 * gcc.c (make_temp_file): Likewise.
18351 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18353 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18355 * varasm.c (asm_emit_uninitialised): New function: Generate
18356 the assembler statements necessary to declare an uninitialised
18358 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18360 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18361 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18363 (assemble_variable): Use asm_emit_uninitialised to emit an
18364 uninitialised variable.
18366 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18368 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18369 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18370 <geoffk@cygnus.com>.
18372 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18374 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18375 * c-common.h (builtin_function): Don't declare.
18377 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18379 (pushdecl): Likewise.
18380 (finish_decl): Likewise.
18381 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18382 int. All callers changed.
18383 Set the builtin's DECL_BUILT_IN_CLASS.
18384 * tree.h (enum built_in_class): New.
18385 (enum built_in_function): Delete NOT_BUILT_IN.
18386 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18388 (DECL_SET_FUNCTION_CODE): Likewise.
18389 (DECL_BUILT_IN_CLASS): New macro.
18390 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18391 (struct tree_decl): Split builtin function code field into a
18393 (builtin_function): Declare.
18395 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18397 * optabs.c (init_traps): Fix typo in last change.
18399 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18401 * toplev.c (rest_of_decl_compilation): Update comment.
18403 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18405 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18406 in .sbss if appropriate.
18407 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18408 (SBSS_SECTION_ASM_OP): New macro.
18409 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18410 (EXTRA_SECTIONS): Add in_sbss.
18411 * config/mips/mips.h: Prototype sbss_section.
18413 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18415 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18418 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18420 * optabs.c (init_traps): Register trap_rtx as a GC root.
18422 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18424 * config/mips/mips.c (function_arg_pass_by_reference): Define
18425 unconditionally, since it's called unconditionally.
18427 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18429 * toplev.c (documented_lang_options): Add -fshort-wchar.
18430 * c-decl.c (c_decode_option): Likewise.
18431 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18433 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18434 * gcc.c (default_compilers): If -fshort-wchar,
18435 override __WCHAR_TYPE__.
18436 * tm.texi (C Dialect Options): Add -fshort-wchar.
18438 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18439 symbol for a variable.
18441 * cpplib.h (CPP_PREPROCESSED): New macro.
18442 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18443 we're seeing this input for a second time.
18445 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18447 * emit-rtl.c (init_emit_once): Initialize modes first.
18449 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18451 * config/i386/i386.c (pic_label_name): Change to char pointer.
18452 (global_offset_table): New variable.
18453 (load_pic_register): Fill global_offset_table if it hasn't
18454 already been done. Allocate pic_label_name dynamically.
18455 * ggc.h (empty_string): New variable.
18456 * ggc-simple.c (empty_string): Likewise.
18457 (init_ggc): Allocate empty_string and add as root.
18458 * stmt.c (digit_strings): New variable.
18459 (init_stmt): Add last_block_end_note as root. Allocate and
18460 initialize digit_strings.
18461 (expand_asm_operands): Use empty_string instead of string
18462 constant. Use digit_strings instead of string constants.
18463 * profile.c (init_arc_profiler): Allocate string with
18464 ggc_alloc_string instead of xmalloc.
18465 (output_func_start_profiler): Likewise.
18466 * c-typeck.c (digest_init): Check if init is error_mark_node.
18468 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18469 Richard Henderson <rth@cygnus.com>
18471 * ggc-page.c: New file.
18472 * Makefile.in (ggc-page.o): New.
18474 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18476 * invoke.texi: Document -fdelete-null-pointer-checks
18477 * toplev.c (flag_delete_null_pointer_checks): New.
18478 (f_options): Add entry for -fdelete-null-pointer-checks.
18479 (rest_of_compilation): Conditionalize null pointer check
18480 elimination on flag_delete_null_pointer_checks.
18481 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18483 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18485 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18486 copyright notice and special exception to GPL.
18488 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18490 * abi64.h (mips_function_value): Add prototype arguments.
18492 * mips-protos.h: New file with mips prototypes.
18494 * mips.c: Include "tm_p.h".
18495 (mktemp, lookup_name): Add prototype arguments.
18496 (extern_list, string_constant, mips_fill_delay_slot,
18497 mips_output_external, mips_output_external_libcall,
18498 mips_output_filename, mips_declare_object, function_prologue,
18499 mips_expand_prologue, function_epilogue, mips16_constant,
18500 build_mips16_function_stub, mips_output_conditional_branch):
18502 (mips_va_start): Remove unused variable `u'.
18503 (mips_va_arg): Cast value to unsigned when comparing against one.
18505 (save_restore_insns, mips_expand_prologue): Add missing arg in
18506 call to `large_int'.
18508 * mips.h: Move prototypes to mips-protos.h.
18509 (data_section, memory_address_p, rdata_section,
18510 readonly_data_section, simple_epilogue_p, text_section): Delete
18511 prototypes delcared elsewhere.
18512 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18514 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18516 * mips.md: Delete extra args in call to `mips_move_2words'.
18518 * xm-iris6.h (alloca): Add prototype argument.
18520 * genpeep.c: Include "tm_p.h" in generated output file.
18522 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18524 * basic-block.h (find_edge_index): Change parameters.
18525 * flow.c (verify_edge_list): Pass basic_block parameters to
18526 find_edge_index instead of integers.
18528 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18530 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18533 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18535 * gcc.1: Fix a formatting error.
18537 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18539 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18540 i786, mn10200, mn10300, pdp11, v850.
18542 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18544 * libgcc2.c (num_digits): Add prototype with
18545 __attribute__((const)).
18546 (__terminate): Add prototype.
18548 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18550 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18552 * alpha/alpha.c (print_operand): Fix type of `code'.
18553 (alpha_output_filename): Constify.
18554 * alpha/alpha.h: Move all function declarations ...
18555 * alpha/alpha-protos.h: ... here. New file.
18556 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18557 (SECTION_FUNCTION_TEMPLATE): Likewise.
18559 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18561 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18562 * expr.c (expand_expr): Likewise.
18563 (do_jump): Likewise.
18564 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18565 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18567 (enum can_compare_purpose): New.
18568 (can_compare_p): Adjust prototype.
18569 (prepare_cmp_insn, prepare_operand): Declare.
18570 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18571 * optabs.c (cmp_available_p): Deleted.
18572 (expand_abs): Pass ccp_jump to can_compare_p.
18573 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18574 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18575 Call can_compare_p rather than cmp_available_p.
18576 (prepare_operand): No longer static.
18577 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18578 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18579 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18580 sequence to use emit_cmp_and_jump_insns.
18581 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18583 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18585 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18586 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18587 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18588 (plus (reg) (const_int 0))
18589 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18591 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18593 * rs6000.c (expand_block_move): DImode loads and stores require
18594 word-aligned displacements. Increment address registers with
18595 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18597 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18599 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18600 is no name for the base type, rather than segfault. If we are
18601 writing out a complex integer type, use DW_ATE_lo_user.
18603 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18604 in one word or less (complex char, complex short, or on 64 bit
18605 systems complex float) to/from a hard register, copy it through
18606 memory instead of dying in gen_{real,imag}part. If we have a
18607 short complex type, prevent inlining since it allocates stack
18610 * tree.c (build_complex_type): If we are writing dwarf2 output,
18611 generate a name for complex integer types.
18613 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18615 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18616 * flow.c (remove_edge): Remove extra whitespace.
18617 (remove_fake_edges): Fix comment.
18618 (add_noreturn_fake_exit_edges): Use the correct name.
18620 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18622 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18623 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18624 (clean): Depend on INTL_CLEAN.
18625 (maintainer-clean): Adjust.
18627 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18629 * configure.in (AC_PREREQ): Bump to 2.13.
18630 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18632 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18634 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18636 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18638 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18639 (HAVE_STRINGIZE): Define.
18641 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18643 * c-parse.in: save and restore warn_pointer_arith on __extension__
18644 along with pedantic.
18645 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18646 Set the type of extension to itype rather than $<itype>1 kludge.
18647 * extend.texi (Alternate Keywords): Adjust documentation.
18648 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18650 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18652 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18653 most assembler templates.
18655 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18656 FP loads and stores.
18657 (following_call): Always return zero for the PA8000.
18658 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18659 FP loads and stores.
18660 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18662 * pa.h (BRANCH_COST): Define.
18664 * pa.md (return, return_internal): Use bve for PA2.0.
18666 * pa.md (fused multiply): Add variants which reduce height for the
18667 fused multiply, but which still generate 2 insns.
18668 (fnegabs): Similarly.
18670 * pa.md (subsi3): Turn into an expander. Create two anonymous
18671 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18672 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18674 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18676 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18678 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18679 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18681 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18684 * flow.c (record_active_eh_regions): Terminate loop after finding
18685 the last insn in the last basic block.
18687 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18689 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18691 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18693 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18695 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18697 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18698 splitting to not use output template.
18700 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18702 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18703 * config/c4x/c4x.c (c4x_va_start): New function.
18705 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18707 * genrecog.c (not_both_true): Handle correctly cases when called for
18708 tests with different positions in the insn.
18710 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18712 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18714 * system.h (HOST_PTR_PRINTF): ... to here.
18716 * mips-tfile.c: Don't include machmode.h.
18718 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18719 (mips-tfile.o): Don't depend on machmode.h.
18721 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18723 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18724 avoid conflicts with typedef struct `region' at the top level scope.
18726 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18728 * basic-block.h (basic_block): Add eh_beg, eh_end.
18729 * flow.c (entry_exit_blocks): Update.
18730 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18731 Call new functions.
18732 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18733 lists.c functions to allocate insn lists.
18734 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18736 (make_eh_edge): ... here. New.
18737 (move_stray_eh_region_notes): New.
18738 (record_active_eh_regions): New.
18739 (delete_unreachable_blocks): Split out block merging ...
18740 (try_merge_blocks): ... here. New.
18741 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18742 Dump debugging data.
18743 (merge_blocks_move_successor_nojumps): Likewise.
18744 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18746 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18748 * extend.texi (Bound member functions): Document unbound pmf
18751 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18753 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18754 has the EXIT_BLOCK as a dest.
18756 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18758 * flow.c (remove_edge): New function to remove an edge from the
18760 (remove_fake_successors): New function to remove fake successor edges.
18761 (remove_fake_edges): New function to remove all fake edges from the
18763 (add_fake_exit_edges): New function to add fake edges from all blocks
18764 with no successors to the exit block.
18765 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18766 prototypes for new functions.
18768 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18770 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18771 Use Pmode to determine whether to output .dword or .word.
18773 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18775 * tree.c (built_in_filename): New variable.
18776 (BUILT_IN_FILENAME): New macro.
18777 (init_tree_codes): Allocate built_in_filename.
18778 (make_node): Use built_in_filename instead of string constant.
18780 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18782 * configure.in: Add fr30 target.
18783 * configure: Regenerate.
18784 * config/fr30: New directory.
18785 * config/fr30/crti.asm: New file.
18786 * config/fr30/fr30.c: New file.
18787 * config/fr30/crtn.asm: New file.
18788 * config/fr30/fr30.h: New file.
18789 * config/fr30/fr30.md: New file.
18790 * config/fr30/lib1funcs.asm: New file.
18791 * config/fr30/t-fr30: New file.
18792 * config/fr30/xm-fr30.h: New file.
18794 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18796 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18797 BARRIER at the end of the successor, not the BARRIER before
18800 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18802 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18804 * stmt.c (any_pending_cleanups): Don't crash when
18805 current_function->stmt is unset.
18807 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18809 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18810 other initializations that may use it for relative offsets.
18812 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18814 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18815 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18816 * config/i386/sol2dbg.h: Removed.
18817 * config/i386/sol2gas.h: New file, to enable gas work-around.
18818 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18819 Don't use sol2dbg.h.
18820 * configure: Rebuilt.
18822 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18824 * invoke.texi (-fthis-is-variable): Remove documentation.
18826 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18828 * basic-block.h (compute_bb_for_insn): Declare.
18829 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18830 to use; set size of basic_block_for_insn directly.
18831 (find_basic_blocks): Update.
18833 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18835 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18837 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18839 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18840 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18842 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18844 * c-decl.c (c_decode_option): Extend comment.
18846 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18848 * toplev.c (progname): Make 'const char *'
18849 (flag_print_mem): Move out of main.
18850 (version_flag): Move out of main.
18851 (filename): Move out of main.
18852 (debug_args): Remove g prefix from options.
18853 (documented_lang_options): Remove cpplib specific options.
18854 (display_help): Add g prefix to debug options.
18855 (check_lang_option): Delete this function.
18856 (decode_d_option): New function: Decode -d... option.
18857 (decode_f_option): New function: Decode -f... option.
18858 (decode_W_option): New function: Decode -W... option.
18859 (decode_g_option): New function: Decode -g... option.
18860 (independent_decode_option): New function: Decode a language
18861 independent command line option.
18862 (main): Invoke lang_decode_option and then
18863 independent_decode_option on each command line option in
18866 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18868 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18869 * fold-const.c (fold_range_test): Do not try to fold the range
18870 test if the rhs or lhs has side effects.
18872 * basic-block.h (compute_flow_dominators): Declare.
18874 * gcse.c (alloc_code_hoist_mem): New function.
18875 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18876 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18877 (hoist_code, one_code_hoisting_pass): Likewise.
18878 (gcse_main): If optimizing for size, then hoist expressions
18879 computed in multiple dominated basic blocks.
18881 * gcse.c (invalid_nonnull_info): New function.
18882 (delete_null_pointer_checks): Likewise.
18883 * rtl.h (delete_null_pointer_checks): Declare.
18884 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18886 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18887 (merge-blocks_move_successor_nojumps): Likewise.
18888 (merge_blocks): Allow merging of some blocks, even if it requires
18889 physical movement of the blocks, but not if it requires new jumps.
18891 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18892 Callers and prototype changed.
18893 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18895 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18897 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18898 -YP when both -p and -pg are present. From i386/sol2.h.
18900 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18902 * Makefile.in (distclean): Delete tm_p.h.
18903 * configure.in: Create a new file, "tm_p.h", from a list in
18904 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18905 "i386/i386-protos.h".
18907 * alias.c: Include "tm_p.h".
18908 * c-typeck.c: Likewise.
18909 * calls.c: Likewise.
18911 * emit-rtl.c: Likewise.
18912 * explow.c: Likewise.
18913 * expmed.c: Likewise.
18914 * expr.c: Likewise.
18915 * final.c: Likewise.
18916 * flow.c: Likewise.
18917 * fold-const.c: Likewise.
18918 * function.c: Likewise.
18919 * gcse.c: Likewise.
18920 * global.c: Likewise.
18921 * haifa-sched.c: Likewise.
18922 * integrate.c: Likewise.
18923 * jump.c: Likewise.
18924 * local-alloc.c: Likewise.
18925 * loop.c: Likewise.
18926 * optabs.c: Likewise.
18927 * recog.c: Likewise.
18928 * reg-stack.c: Likewise.
18929 * regclass.c: Likewise.
18930 * regmove.c: Likewise.
18931 * reload.c: Likewise.
18932 * reload1.c: Likewise.
18933 * reorg.c: Likewise.
18934 * resource.c: Likewise.
18935 * stmt.c: Likewise.
18936 * stor-layout.c: Likewise.
18937 * toplev.c: Likewise.
18938 * tree.c: Likewise.
18939 * unroll.c: Likewise.
18940 * genattrtab.c (main): Make generated file include "tm_p.h".
18941 * genemit.c (main): Likewise.
18942 * genoutput.c (main): Likewise.
18943 * genrecog.c (main): Likewise.
18945 * i386.h: Delete all prototypes.
18946 * i386.c: Include "tm_p.h".
18947 (ix86_attr_length_default): Call constant_call_address_operand
18948 with correct number of arguments.
18949 * i386-protos.h: New file.
18950 * i386.md (unnamed patterns): Call constant_call_address_operand
18951 with correct number of arguments.
18952 (exception_receiver): Call load_pic_register with correct number
18955 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18957 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18959 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18961 * rtl.h (insns_safe_to_move_p): New function.
18962 * loop.c (find_and_verify_loops): Use it.
18963 * rtlanal.c (insns_safe_to_move_p): Define it.
18965 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18967 * c-pragma.c: Include ggc.h.
18968 * Makefile.in (c-pragma.o): Update.
18970 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18972 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18973 (LIB_SPEC): Likewise.
18974 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18975 Reindent -YP/-p/-pg.
18976 Copied from config/sparc/sol2.h.
18978 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18980 * c-pragma.c (mark_align_stack): New.
18981 (init_pragma): New.
18982 * c-pragma.h (init_pragma): Declare it.
18983 * c-lex.c (init_parse): Call it.
18985 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18987 * configure.in: Pick up thread library on Solaris/x86 just
18988 like on Solaris/sparc.
18989 * configure: Rebuilt.
18991 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18993 * rtl.h (global_rtx_index): New enum.
18994 (global_rtl): Change to array of rtx.
18995 (pc_rtx, cc0_rtx): Redefine accordingly.
18996 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18997 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18998 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18999 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19000 (const_int_rtx): Change to array of rtx.
19001 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19003 * emit-rtl.c (global_rtl): Change to array of rtx.
19004 (const_int_rtx): Change to aray of rtx.
19005 (gen_rtx_CONST_INT): Redefine accordingly.
19006 (init_emit_once): Allocate and initialize global_rtl. Likewise
19007 for const_int_rtx. Add both as GC roots.
19008 * genattrtab.c (global_rtl): Update declaration.
19010 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19012 * Makefile (USER_H): Add iso646.h back.
19014 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19016 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19017 zapping the LOG_LINKS of sched_before_next_call.
19019 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19020 * pa.c (insn_refs_are_delayed): Renamed from
19021 insn_sets_and_refs_are_delayed.
19023 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19025 * functiion.h (struct function): Add x_whole_function_mode_p.
19026 (retrofit_block): Declare.
19027 * function.c (retrofit_block): New function.
19028 (identify_blocks): Add assertions. Allow an incomplete set of
19029 block notes if we're still generating code for the function.
19030 * integrate.c: Include loop.h.
19031 (expand_inline_function): Call find_loop_tree_blocks to map block
19032 notes to blocks when in whole-function mode. Use retrofit_block
19033 to insert new BLOCKs for the inlined function, rather than
19035 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19036 * Makefile.in (integrate.o): Depend on loop.h.
19038 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19040 * tree.h (warn_about_unused_variables): Declare.
19041 * stmt.c (warn_about_unused_variables): New function, split out
19043 (expand_end_bindings): Here.
19045 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19047 * stmt.c (preserve_subexpressions_p): Don't crash when
19048 current_function->stmt is unset.
19050 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19052 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19053 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19054 (expand_start_target_temps): Use it.
19055 * except.c (expand_eh_region_start_for_decl): Likewise.
19056 * expr.c (expand_expr): Likewise.
19058 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19060 * fold-const.c (operand_equal_p): Pay attention to side effects.
19062 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19064 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19065 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19067 * tlink.c (scan_linker_output): Look for keywords before accepting
19068 a mangled name in quotes.
19070 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19072 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19073 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19075 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19077 * alpha.md: Revert Thu Nov 26 change that came in through the
19078 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19079 Avoid earlyclobber when possible.
19081 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19083 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19085 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19086 Define HAVE_ON_EXIT.
19088 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19090 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19091 CTYPE_CONV in all ctype macros.
19093 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19096 * cexp.y (initialize_random_junk): Likewise.
19098 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19100 * i370.c (handle_pragma): Likewise.
19102 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19104 * v850.c (override_options): Likewise.
19106 * doprint.c (_doprnt): Likewise.
19108 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19111 * fixinc/server.c (load_data): Likewise.
19113 * fold-const.c (real_hex_to_f): Likewise.
19115 * genattr.c (write_upcase, gen_attr): Likewise.
19117 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19118 write_upcase): Likewise.
19120 * genemit.c (print_code): Likewise.
19122 * genopinit.c (gen_insn): Likewise.
19124 * genpeep.c (print_code): Likewise.
19126 * genrecog.c (print_code): Likewise.
19128 * optabs.c (init_libfuncs): Likewise.
19130 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19132 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19134 (reemit_notes): Likewise.
19136 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19138 * ggc.h (ggc_root): Move to ggc-common.c.
19140 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19141 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19142 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19143 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19144 * ggc-common.c (ggc_root): Move from ggc.h.
19145 (roots): Declare, static.
19146 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19147 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19148 null or check/set mark bit.
19149 (ggc_mark_roots): New.
19150 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19152 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19154 * m32r.c: Include toplev.h.
19155 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19156 (gen_compare): Rename swap_p to must_swap to match uses.
19157 Add default abort case.
19158 (m32r_output_function_epilogue): Remove unused variables.
19159 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19160 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19161 define to empty parameter list. Update all uses.
19162 (predicate decls): Use enum machine_mode not int.
19163 * m32r.md (movsi): Call abort, not fatal_insn.
19164 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19166 1999-09-14 Andrew Haley <aph@cygnus.com>
19168 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19169 use $0 instead of 0.
19171 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19173 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19174 computation out of loop over hard regs.
19176 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19178 * function.c (identify_blocks): Don't shadow a variable in an
19180 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19181 pushdecl, or poplevel to build up the new BLOCK tree.
19182 (expand_inline_function): Likewise.
19183 (integrate_parm_decls): Likewise.
19185 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19187 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19189 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19191 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19192 * invoke.texi: Document this change.
19194 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19196 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19198 (mark_emit_status): Renamed from mark_emit_state.
19199 * except.c (mark_eh_status): Renamed from mark_eh_state.
19200 Check not null before marking.
19201 (free_eh_status): New.
19202 * expr.c (mark_expr_status, free_expr_status): New.
19203 * function.c (free_machine_status): New.
19204 (free_after_parsing): New.
19205 (free_after_compilation): Move bits to free_after_parsing; call
19206 free_eh_status, free_expr_status; zero the marked members of the
19208 (prepare_function_start): No can_garbage_collect.
19209 Call init_eh_for_function.
19210 (expand_dummy_function_end): Free up current_function state.
19211 (mark_function_status): Renamed from mark_function_state.
19212 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19213 * function.h (struct function): No can_garbage_collect.
19214 (free_machine_status, free_after_parsing): Declare.
19215 (free_eh_status, free_expr_status): Declare.
19216 * ggc.h (mark_expr_status): Declare.
19217 * stmt.c (free_stmt_status): Free the struct.
19218 (mark_stmt_status): Renamed from mark_stmt_state.
19219 (init_stmt): Don't call init_eh.
19220 (init_stmt_for_function): Don't call init_eh_for_function.
19221 * toplev.c (compile_file): Call init_eh.
19222 (rest_of_compilation): Free basic block info before ggc_collect.
19223 Call free_after_parsing; conditionally call free_after_compilation.
19224 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19225 Check not null before marking.
19226 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19228 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19230 * c-lex.c (yylex): Initialize warn.
19232 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19234 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19235 register when performing secondary reloads for the SAR register.
19237 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19239 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19240 (NOTE_BLOCK): New macro.
19241 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19242 * function.h (identify_blocks): Change prototype.
19243 * function.c (identify_blocks): Simplify.
19244 (reorder_blocks): Likewise.
19245 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19246 NOTE_INSN_BLOCK_{BEG,END}.
19247 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19248 the list of saved notes if the note isn't a
19249 NOTE_INSN_BLOCK_{BEG,END}.
19250 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19252 (reemit_notes): Adjust recreation of notes to reflect new saved
19254 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19255 printing a block note.
19256 * stmt.c (block_vector): Remove.
19257 (find_loop_tree_blocks): Simplify.
19258 (unroll_block_trees): Likewise.
19259 * tree.h (reorder_block): Change prototype.
19261 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19263 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19264 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19265 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19266 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19267 (atexit, exit): Simplify.
19268 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19269 * config/lots: Remove defns of HAVE_ATEXIT.
19271 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19273 * calls.c (precompute_arguments): Fix typo in comment.
19274 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19277 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19279 * dsp16xx.c (override_options): Fix typos in GC root registration.
19281 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19283 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19284 from config/svr4.h.
19285 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19286 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19287 (CC1_SPEC): Likewise.
19289 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19291 * genattr.c (main): Add extern prototype. Call return, not exit.
19292 * genattrtab.c (main): Likewise.
19293 * gencheck.c (main): Likewise.
19294 * gencodes.c (main): Likewise.
19295 * genconfig.c (main): Likewise.
19296 * genemit.c (main): Likewise.
19297 * genextract.c (main): Likewise.
19298 * genflags.c (main): Likewise.
19299 * gengenrtl.c (main): Likewise.
19300 * genopinit.c (main): Likewise.
19301 * genoutput.c (main): Likewise.
19302 * genpeep.c (main): Likewise.
19303 * genrecog.c (main): Likewise.
19305 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19306 * genattrtab.c (get_insn_name): Likewise.
19307 * gencodes.c (get_insn_name): Likewise.
19308 * genconfig.c (get_insn_name): Likewise.
19309 * genemit.c (get_insn_name): Likewise.
19310 * genextract.c (get_insn_name): Likewise.
19311 * genflags.c (get_insn_name): Likewise.
19312 * genopinit.c (get_insn_name): Likewise.
19313 * genpeep.c (get_insn_name): Likewise.
19315 * gencheck.c (usage): Add static prototype.
19316 * genextract.c (print_path): Constify a char*.
19317 * genopinit.c (optabs): Likewise.
19318 * genoutput.c (operand_data, data, output_predicate_decls,
19319 compare_operands): Likewise.
19320 * genrecog.c (write_tree): Add default case in switch.
19322 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19324 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19326 * print-rtl.c (get_insn_name): Remove prototype.
19328 * toplev.h (progname): Declare const.
19330 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19331 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19332 dump_sched_info, dump_local_alloc, regset_release_memory,
19333 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19334 error_with_file_and_line, error_with_decl, error_for_asm, error,
19335 fatal, warning_with_file_and_line, warning_with_decl, warning,
19336 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19337 Remove redundant prototypes.
19339 (notice, check_lang_option, report_file_and_line, vnotice,
19340 mark_file_stack): Add static prototype.
19341 (set_fatal_function): Add prototype.
19342 (vnotice, report_file_and_line, set_fatal_function,
19343 check_lang_option): Constify a char*.
19344 (main): Prototype. Call return, not exit.
19346 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19348 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19350 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19352 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19354 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19356 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19358 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19359 behave as if it's zero in all cases.
19360 (expand_function_start): Adjust call to assign_parms.
19361 * tree.h (assign_parms): Adjust prototype.
19362 * objc/objc-act.c (hack_method_prototype): Adjust call to
19365 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19367 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19368 arg_pointer_rtx fixed if the argument pointer register is
19370 (NONZERO_BASE_PLUS_P): Likewise.
19372 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19374 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19375 match_insn2 to match_insn.
19376 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19378 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19380 * Makefile.in (USER_H): Remove va-foo.h.
19382 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19383 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19384 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19385 va-spur.h,va-v850.h}: Remove.
19387 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19389 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19390 (in_return_delay): Use it instead of match_insn.
19392 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19394 * config/alpha/va_list.h (va-alpha.h): Do not include.
19395 (__gnuc_va_list): Typedef as in varargs.h.
19397 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19399 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19400 DECL_LIVE_RANGE_RTL.
19402 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19404 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19405 not NOTE_BLOCK_NUMBER.
19406 (expand_eh_region_end): Likewise.
19407 (find_exception_handler_labels): Likewise.
19408 (scan_region): Likewise.
19409 (exception_optimize): Likewise.
19410 (update_rethrow_references): Likewise.
19411 (set_insn_eh_region): Likewise.
19412 * final.c (final_scan_insn): Likewise.
19413 * flow.c (make_edges): Likewise.
19414 * integrate.c (expand_inline_function): Likewise.
19415 * print-rtl.c (print_rtx): Likewise.
19417 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19419 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19420 terms of builtin functions and types.
19422 * mips.c (mips_build_va_list): New.
19423 (mips_va_start, mips_va_arg): New.
19424 * mips.h (BUILD_VA_LIST_TYPE): New.
19425 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19427 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19428 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19429 * sh.h (BUILD_VA_LIST_TYPE): New.
19430 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19432 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19434 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19435 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19436 (struct insn_data): Likewise with n_operands, n_dups,
19437 n_alternatives, output_format.
19438 * regclass.c (scan_one_insn): Cast n_operands to int before
19439 arithmetic inside comparison.
19441 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19443 * toplev.c (compile_function): Unconditionally emit nop.
19445 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19447 * haifa-sched.c (actual_hazard): Move declaration of variable
19448 `this_cost' into the scope where it is used.
19450 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19452 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19453 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19454 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19456 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19458 * jump.c (find_insert_position): Don't declare or define unless
19459 !HAVE_conditional_arithmetic.
19460 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19462 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19464 * recog.c (offsettable_address_p): Prototype function pointer.
19465 (preprocess_constraints): Call memset, not bzero.
19467 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19468 (gcc_obstack_init): Don't declare.
19469 (fix_sizetype): Add static prototype.
19470 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19471 (tree_cons): Call memset, not bzero.
19473 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19474 definition in macro ASM_WEAKEN_LABEL.
19475 (mark_const_hash_entry): Add static prototype.
19477 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19479 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19481 * unroll.c (find_common_reg_term, subtract_reg_term,
19482 loop_find_equiv_value): Add static prototypes.
19483 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19484 (copy_loop_body): Remove unreachable break statement.
19486 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19488 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19490 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19492 Undo some changes from the gcc2 merge:
19493 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19494 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19498 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19499 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19500 initialized float-int union if the value is a NaN.
19502 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19504 * gthr-win32.h: New file.
19506 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19507 shared as a valid attribute.
19508 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19509 * extend.texi: Document `shared' variable attribute.
19511 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19513 * configure.in: Handle --enable-threads on FreeBSD.
19514 * configure: Rebuit.
19516 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19518 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19520 * configure: Rebuilt.
19522 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19523 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19524 Rosimildo DaSilva <rdasilva@connecttel.com>
19526 * configure.in (m68k-*-rtemscoff*): Added.
19527 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19528 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19529 sparc-rtems configuration.
19530 * configure.in (sparc-*-rtemself*): Added.
19531 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19532 * config/i386/rtems.h: Added comment.
19533 * config/sparc/rtemself.h: New file.
19535 * configure.in (m68k-rtemself): Added.
19536 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19537 and DWARF_DEBUGGING_INFO.
19538 * config/m68k/crti.s: New file.
19539 * config/m68k/crtn.s: New file.
19540 * config/m68k/t-crtstuff: New file.
19541 * config/m68k/rtemself.h: New file.
19543 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19544 global ctor/dtor and C++ exception handling.
19545 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19546 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19548 * config/i386/t-rtems-i386: New File.
19550 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19552 * stmt.c (expand_end_case): Return right away if the case stack is
19555 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19557 * Makefile.in (version.c): Remove rule incorrectly brought in from
19560 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19562 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19563 * msdos/top.sed: Take into account a prepended $(SHELL) to
19565 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19567 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19569 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19571 * regmove.c (fixup_match_1): Don't change an unchanging register.
19572 (stable_but_for_p): Renamed to:
19573 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19574 Changed all callers.
19576 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19578 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19579 insn from BL2 is after the insn from BL.
19581 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19583 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19584 (struct insn_data): Merge `template' and `outfun' into `output'.
19585 Add `output_format'.
19586 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19587 (struct data): Remove `outfun'; add `output_format'.
19588 (name_for_index): Remove declaration.
19589 (output_insn_data): Handle output formats.
19590 (process_template): Emit the bare array for @.
19591 (gen_expand, gen_split): Set output_format to NONE.
19592 * output.h (get_insn_template): Declare.
19593 * final.c (get_insn_template): New.
19594 (final_scan_insn): Use it.
19595 * toplev.c (compile_file): Likewise.
19597 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19598 * i860/i860.c (output_delayed_branch): Likewise.
19599 (output_delay_insn): Likewise.
19601 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19603 * rtl.c (obstack_alloc_rtx): Removed.
19605 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19607 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19609 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19611 * i386.c (call_insn_operand): Reject const_int.
19612 (expander_call_insn_operand): Use call_insn_operand.
19614 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19616 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19618 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19620 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19621 Use DImode operation.
19623 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19625 * gcc.c: Include sys/resource.h.
19626 (report_times): New flag.
19627 (execute): If report_times is set, calculate and report the
19628 CPU time consumed by each subprocess.
19630 (rus, prus): New globals.
19631 (option_map): Add --time.
19632 (display_help): Document -time.
19633 (process_command): Set report_times if -time is given.
19634 Turn off -pipe if -time is given.
19636 * invoke.texi: Document new option -time.
19638 * configure.in: Check for getrusage. Check if we have to
19639 prototype getrusage.
19640 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19641 * configure: Regenerate.
19642 * config.in: Regenerate.
19644 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19646 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19649 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19651 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19652 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19653 (nan): Return _thenan_sf or _thenan_df as appropriate.
19654 (L_thenan_sf): Define _thenan_sf.
19655 (L_thenan_df): Define _thenan_df.
19657 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19658 (DPBIT_FUNCS): Add _thenan_df.
19660 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19662 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19665 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19667 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19670 (lang_specific_driver): Don't take a function pointer parameter.
19671 All callers changed.
19673 * gcc.c: Include gcc.h.
19674 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19675 lang_specific_extra_outfiles, fatal): Don't declare.
19676 (multilib_defaults_raw): Constify.
19677 (read_specs): Call memset, rather than bzero.
19678 (main): Call return, not exit.
19679 (lookup_compiler): Call memcpy, not bcopy.
19680 (fatal): Make extern.
19682 * cppspec.c: Include gcc.h.
19683 (lang_specific_driver): Initialize variable `quote'. Constify a
19684 char*. All calls to the function pointer parameter now
19685 explicitly call `fatal'.
19687 * gccspec.c (lang_specific_driver): Include gcc.h.
19689 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19691 * arm.c (note_invalid_constants): Use recog_data.operand_type
19694 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19696 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19699 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19700 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19701 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19702 reload_secondary_in_reload, reload_secondary_out_reload,
19703 reload_secondary_in_icode, reload_secondary_out_icode,
19704 reload_reg_rtx, reload_when_needed): Delete declarations.
19705 (struct reload): New structure.
19706 (rld): Declare new array.
19707 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19708 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19709 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19710 reload_secondary_in_reload, reload_secondary_out_reload,
19711 reload_secondary_in_icode, reload_secondary_out_icode,
19712 reload_reg_rtx, reload_when_needed): Delete definitions.
19714 (whole file): Replace uses of the deleted arrays with uses of rld.
19715 * reload1.c (whole file): Replace uses of the deleted arrays with
19717 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19718 explicit loops, not with bcopy.
19720 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19722 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19723 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19724 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19725 insn_name): Delete and consolidate into new structures.
19726 (insn_operand_predicate_fn): New.
19727 (insn_output_fn): New.
19728 (insn_gen_fn): New.
19729 (struct insn_operand_data): New.
19730 (struct insn_data): New.
19732 (OUT_FCN): Update for insn_data change.
19733 * builtins.c (expand_builtin_strlen): Likewise.
19734 (expand_builtin_memcmp): Likewise.
19735 * combine.c (make_extraction, simplify_comparison): Likewise.
19736 * cse.c (canon_reg, cse_insn): Likewise.
19737 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19738 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19739 (emit_store_flag): Likewise.
19740 * expr.c (convert_move, emit_block_move): Likewise.
19741 (clear_storage, emit_push_insn, expand_increment): Likewise.
19742 (do_store_flag): Likewise.
19743 * expr.h (GEN_FCN): Likewise.
19744 (insn_gen_function): Die.
19745 * final.c (final_scan_insn): Update for insn_data change.
19746 (output_asm_name): Likewise.
19747 * function.c (fixup_var_refs_1): Likewise.
19748 * loop.c (check_dbra_loop): Likewise.
19749 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19750 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19751 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19752 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19753 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19754 * regmove.c (gen_add3_insn): Likewise.
19755 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19756 (find_reloads, find_reloads_address_1): Likewise.
19757 (debug_reload_to_stream): Likewise.
19758 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19759 * stmt.c (expand_end_case): Likewise.
19760 * toplev.c (compile_file): Likewise.
19762 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19763 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19765 * print-rtl.c (insn_name_ptr): Remove declaration.
19766 (get_insn_name): Declare.
19767 (print_rtx): Use it.
19768 * genoutput.c (insn_name_ptr): Remove.
19769 (next_operand_number): New.
19770 (struct operand_data): New.
19771 (null_operand, odata, odata_end): New.
19772 (struct data): Use struct operand_data.
19773 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19774 (get_insn_name): Renamed from name_for_index.
19775 (output_prologue): Define NO_MD_PROTOTYPES.
19776 (output_predicate_decls): Break out from output_epilogue.
19777 Iterate over the operands list.
19778 (output_operand_data): Break out from output_epilogue. Emit
19779 just the operands list.
19780 (output_insn_data): Break out from output_epilogue. Emit just
19782 (output_epilogue): Remove.
19783 (output_get_insn_name): New.
19784 (constraints, op_n_alternatives, predicates, address_p): Die.
19785 (modes, strict_low, seen): Die.
19786 (scan_operands): Take new param `d' instead of writing to
19787 seven global variables.
19788 (compare_operands): New.
19789 (place_operands): New.
19790 (validate_insn_alternatives): Update for struct data change.
19791 (gen_insn): Don't zero or copy 7 global arrays. Update for
19792 scan_operands; call place_operands.
19793 (gen_peephole, gen_expand, gen_split): Likewise.
19794 (main): Update for new output routines.
19796 * genattr.c (insn_name_ptr): Remove.
19797 (get_insn_name): New function.
19798 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19799 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19800 * genrecog.c: Likewise.
19802 * alpha.md (adddi3): Make `pattern' array static.
19804 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19806 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19807 c4x_cpu_version_string): Constify char *.
19808 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19809 c4x_cpu_version_string): Likewise.
19811 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19813 * tree.c (save_tree_status): Revert 10 Sep change.
19814 (restore_tree_status): Likewise. Call obstack_free with NULL
19815 before freeing the obstack proper.
19817 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19819 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19821 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19822 surrounding context.
19824 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19826 * tree.c (type_hash_canon): Put all types in the hash-table, when
19829 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19831 * recog.h (struct recog_data, recog_data): New.
19832 (recog_foo variables): Kill.
19833 * recog.c (recog_operand, recog_operand_loc): Kill.
19834 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19835 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19836 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19837 (recog_data): Define.
19838 (extract_insn): Update all recog_foo references to use recog_data.
19839 (preprocess_constraints, constrain_operands): Likewise.
19840 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19841 * genattrtab.c (main): Likewise.
19842 * genextract.c (main): Likewise.
19843 * genoutput.c: Likewise.
19844 * genrecog.c (write_subroutine, main): Likewise.
19845 * local-alloc.c (block_alloc): Likewise.
19846 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19847 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19848 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19849 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19850 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19851 (reload_cse_simplify_operands): Likewise.
19853 * arc/arc.c (arc_final_prescan_insn): Likewise.
19854 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19855 * h8300/h8300.c (notice_update_cc): Likewise.
19856 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19857 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19858 * mn10200/mn10200.c (notice_update_cc): Likewise.
19859 * mn10300/mn10300.c (notice_update_cc): Likewise.
19860 * romp/romp.c (update_cc): Likewise.
19861 * sparc/sparc.c (check_pic): Likewise.
19862 * v850/v850.c (notice_update_cc): Likewise.
19864 * genemit.c (main): Don't declare recog_operand.
19866 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19868 * ggc.h (rtvec_def): Forward declare.
19869 (tree_node): Likewise.
19870 (ggc_root): Define.
19872 (ggc_set_mark_rtx): Add prototype.
19873 (ggc_set_mark_rtvec): Likewise.
19874 (ggc_set_mark_tree): Likewise.
19875 * ggc-simple.c (ggc_root): Don't define.
19876 (roots): Don't declare.
19877 (ggc_mark_rtx): Remove.
19878 (ggc_mark_rtvec): Likewise.
19879 (ggc_mark_tree): Likewise.
19880 (ggc_mark_varray): Likewise.
19881 (ggc_mark_tree_hash_table_entry): Likewise.
19882 (ggc_mark_tree_hash_table): Likewise.
19883 (ggc_set_mart_rtx): New function.
19884 (ggc_set_mark_rtvec): Likewise.
19885 (ggc_set_mark_tree): Likewise.
19886 (ggc_add_root): Remove.
19887 (ggc_add_rtx_root): Likewise.
19888 (ggc_remove_tree_root): Likewise.
19889 (ggc_add_string_root): Likewise.
19890 (ggc_add_tree_varray_root): Likewise.
19891 (ggc_add_tree_hash_table_root): Likewise.
19892 (ggc_del_root): Likewise.
19893 (ggc_mark_rtx_ptr): Likewise.
19894 (ggc_mark_tree_ptr): Likewise.
19895 (ggc_mark_string_ptr): Likewise.
19896 (ggc_mark_tree_varray_ptr): Likewise.
19897 (ggc_mark_tree_hash_table_ptr): Likewise.
19898 * ggc-common.c: New file.
19899 * Makefile.in (OBJS): Add ggc-common.o.
19900 (ggc-common.o): List dependencies.
19902 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19904 * cppalloc.c (xstrdup): Use memcpy.
19905 * cpperror.c (cpp_print_containing_files): Don't use
19907 * cpplib.c (conditional_skip): Set temp->lineno.
19908 (do_endif): Make error message less obscure.
19909 (if_directive_name): New function.
19910 (cpp_get_token [case EOF]): Unwind the if stack and generate
19911 error messages for each unterminated conditional in this file.
19912 (parse_string): Do not behave differently if -traditional.
19914 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19916 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19917 va_list decomposing to pointer-type.
19918 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19919 (rs6000_va_arg): Likewise.
19921 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19923 * except.c (start_dynamic_handler): Compute size using
19924 STACK_SAVEAREA_MODE.
19926 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19928 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19929 include directory headers. Don't define strrchr. Don't provide
19930 my_* replacement functions. Prefer PTR over `pointer_type'.
19931 Don't prototype system functions. Don't redefine getopt.
19933 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19934 safe_read, safe_write, save_pointers, restore_pointers,
19935 is_id_char, in_system_include_dir, directory_specified_p,
19936 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19937 find_corresponding_lparen, referenced_file_is_newer,
19938 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19939 process_aux_info_file, identify_lineno, check_source,
19940 seek_to_line, forward_to_next_token_char, output_bytes,
19941 output_string, output_up_to, other_variable_style_function,
19942 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19943 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19944 find_static_definition, connect_defs_and_decs, add_local_decl,
19945 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19946 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19947 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19948 scan_for_missed_items, edit_file, string_list_cons): Add static
19950 (standard_exec_prefix, target_machine, target_version,
19951 default_syscalls_dir, string_list, string_list_cons, find_file,
19952 do_cleaning): Constify a char*.
19953 (safe_read, safe_write): Use PTR, not a char*.
19954 (is_id_char): Take an int, not a char.
19955 (main): Add prototype. Call return, not exit.
19957 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19959 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19960 when comparing types.
19962 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19964 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19965 (strength_reduce): Release the varrays from the no-bivs early exit.
19967 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19968 the loop over the registers.
19970 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19972 (restore_tree_status): Check that instead when freeing the obstack.
19974 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19976 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19979 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19981 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19982 operand size modifiers.
19984 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19986 * c-common.c (c_common_nodes_and_builtins): Don't build
19988 * c-common.h (enum c_tree_index and related accesor macros): Remove
19989 everything now declared in tree.h.
19990 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19991 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19992 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19993 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19994 unsigned_type_node, ptr_type_node, va_list_type_node,
19995 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19996 (init_decl_processing): Call build_common_tree_nodes and
19997 build_common_tree_nodes_2 instead of building their nodes here.
19998 Don't add roots for these nodes.
19999 * stor-layout.c (size_zero_node, size_one_node): Delete.
20000 (set_sizetype): Make a new node for bitsizetype each time.
20001 * tree.c (global_trees): New variable.
20002 (init_obstacks): Add a gc root for it.
20003 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20004 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20005 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20006 (build_common_tree_nodes): New function.
20007 (fix_sizetype): New function.
20008 (build_common_tree_nodes_2): New function.
20009 * tree.h (enum tree_index): New.
20010 (global_trees): Declare.
20011 Add accessor macros for all nodes now moved to global_trees.
20012 Delete their declarations.
20014 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20016 * c-decl.c (finish_function): When processing a nested function,
20017 push and pop GC context around rest_of_compilation.
20019 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20021 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20022 Default ix86_arch to PROCESSOR_I386.
20023 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20024 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20025 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20026 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20027 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20028 (EXTRA_SPECS): Remove deleted specs.
20030 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20032 * function.c (assign_stack_local_1): Allocate from
20033 function->x_frame_offset, not frame_offset.
20035 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20037 * ggc.h (lang_cleanup_tree): Remove.
20038 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20039 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20041 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20042 TYPE_LANG_SPECIFIC when garbage collecting.
20043 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20044 (lang_cleanup_tree): Remove.
20046 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20048 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20049 * crtstuff.c: Not here.
20050 * dwarf2out.c: Or here.
20051 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20054 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20056 * function.h (free_after_compilation): Remove decl parameter.
20057 (free_varasm_status0: Likewise.
20058 (free_emit_status): Likewise.
20059 (free_stmt_status): Likewise.
20060 (free_after_compilation): Likewise.
20061 (init_lang_status): New variable.
20062 (free_lang_status): Likewise.
20063 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20064 * function.c (init_lang_status): New variable.
20065 (free_lang_status): Likewise.
20066 (push_function_context_to): Don't set function::decl here.
20067 (free_after_copmilation): Make decl parameter implicit. Call
20068 free_lang_status if defined.
20069 (prepare_function_start): Call init_lang_status if defined.
20070 (init_function_start): Set function::decl here.
20071 * profile.c (output_func_start_profiler): Don't call pushdecl
20072 until we've actually started the function.
20073 * stmt.c (free_stmt_status): Make decl parameter implicit.
20074 * toplev.c (rest_of_compilation): Don't pass decl to
20075 free_after_compilation.
20076 * varasm.c (free_varasm_status): Likewise.
20078 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20080 * except.c (call_get_eh_context): Add root when allocating static
20083 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20085 * arm.c: Include "ggc.h".
20086 (arm_add_gc_roots): New function.
20087 (arm_override_options): Call it.
20088 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20090 * arm.md (define_asm_attributes): Add a pool_range attribute.
20092 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20094 * extend.texi (Volatiles): New node.
20096 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20098 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20099 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20100 (struct ggc_any): Replace `mark' with `magic_mark'.
20101 (ggc_alloc_string): Use memcpy, not bcopy.
20102 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20103 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20104 (ggc_free_any): New.
20105 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20106 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20107 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20108 Use IS_MARKED. Use ggc_free_any.
20110 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20112 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20114 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20116 * toplev.c (main): Always init_ggc.
20118 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20120 * except.c (find_all_handler_type_matches): Free the list if
20121 we found no matches.
20123 * combine.c (SUBST): Break out to a real function do_SUBST.
20124 (SUBST_INT): Likewise.
20125 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20126 (pre_insert): Free `inserted'.
20127 * loop.c (basic_induction_var): Always set `location'.
20129 * function.c (expand_function_end): Add initial_trampoline as a root.
20130 * rtl.h (init_varasm_once): Declare.
20131 * toplev.c (compile_file): Call it.
20132 * ggc-simple.c (ggc_mark_string_ptr): New.
20133 (ggc_add_string_root): New.
20134 (ggc_collect): Disable collection avoidance temporarily.
20135 * ggc.h (ggc_add_string_root): Declare.
20136 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20137 * optabs.c (init_libfuncs): Likewise.
20138 * varasm.c (named_section): Use ggc_alloc_string.
20139 (make_function_rtl): Likewise.
20140 (make_decl_rtl): Likewise.
20141 (assemble_static_space): Likewise.
20142 (assemble_trampoline_template): Likewise.
20143 (output_constant_def): Likewise.
20144 (force_const_mem): Likewise.
20145 (mark_const_hash_entry): New.
20146 (mark_pool_sym_hash_table): New.
20147 (mark_varasm_state): Use it.
20148 (init_varasm_once): New.
20150 * expr.h (init_one_libfunc): Declare.
20151 * optabs.c (init_one_libfunc): New.
20152 (init_optabs): Use it.
20153 * config/gofast.h: Likewise.
20154 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20155 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20157 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20159 * Makefile.in (cppexp.o): Depend on cpphash.h.
20160 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20162 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20163 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20164 redefining poisoned identifiers, etc.
20165 (do_undef): Don't allow poisoned identifiers to be undefined.
20166 (do_pragma): Add #pragma poison.
20167 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20169 * cccp.c: Add T_POISON node type.
20170 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20172 (do_define): Generalise to handle poisoned definitions,
20173 redefining poisoned identifiers, etc.
20174 (do_undef): Don't allow poisoned identifiers to be undefined.
20175 (do_pragma): Add #pragma poison.
20176 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20178 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20179 * c-pragma.h: Add ps_poison state. We now always have generic
20182 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20184 * ggc.h (ggc_alloc): New function.
20185 (ggc_mark): Likewise.
20186 * ggc-simple.c (ggc_any): New structure.
20187 (ggc_status): Add anys.
20188 (n_anys_collected): New variable.
20189 (ggc_alloc): Define.
20190 (ggc_mark): Likewise.
20191 (ggc_collect): Collect the anys.
20193 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20195 * c-decl.c (mark_binding_level): Make static to match prototype.
20197 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20199 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20201 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20203 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20204 will use into account. Expand the max width to 5.
20207 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20209 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20210 for the rtx length.
20212 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20214 * alpha.md (call value patterns): Remove the result predicates.
20216 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20218 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20221 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20223 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20224 changed from extern char *, to extern PTR. Also fix typo in
20225 NEED_DECLARATION_REALLOC test.
20227 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20229 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20231 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20232 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20233 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20234 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20236 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20238 * cccp.c (pcfinclude): Likewise.
20240 * global.c (allocno_compare): Likewise.
20242 * haifa-sched.c (rank_for_schedule): Likewise.
20244 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20246 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20248 * stupid.c (stupid_reg_compare): Likewise.
20250 * tree.c (_obstack_allocated_p): Likewise.
20252 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20254 1999-09-08 Bruce Korb autogen@linuxbox.com
20256 * Makefile.in: Give the hapless gperf user a hint about
20257 why "gperf -F" fails.
20259 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20261 * lists.c: Include ggc.h.
20263 (init_EXPR_INSN_LIST_cache): Install it.
20265 * ggc-simple.c (init_ggc): Absorb the old init.
20266 (ggc_push_context): Use xcalloc.
20267 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20268 (ggc_collect): Add [rvts] tags to the collection stats.
20270 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20272 * cccp.c (main): Fix handling of -include and -imacros options.
20274 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20276 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20278 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20280 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20283 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20285 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20286 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20287 and SET_DEST. Update comment.
20289 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20291 * config/c4x/c4x.c: Include ggc.h.
20292 (c4x_add_gc_roots): New function.
20293 (c4x_override_options): Call c4x_add_gc_roots.
20295 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20297 * defaults.h (TARGET_ESC): Move ...
20298 * system.h: ... here, where Linas had it in the first place. Silly me.
20300 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20302 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20303 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20304 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20305 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20306 * defaults.h (TARGET_ESC): Add default.
20308 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20310 * configure.in: add i370-*-openedition, i370-*-mvs and
20311 i370-*-linux targets
20313 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20315 * dsp16xxx.c: Include ggc.h
20316 (override_options): Mark GC roots.
20317 * mn10200.c: Include ggc.h.
20318 (asm_file_start): Mark GC roots.
20319 * tahoe.c: Include ggc.h.
20320 (extensible_operand): Mark GC roots.
20322 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20324 * README: Add section discussing status of ELF ABI.
20325 * i370.c: Fix misc spelling mistakes.
20326 (i370_label_scan): Updated notes, exception handling.
20327 (i370_function_prolog): Simplify ELF stack handling.
20328 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20329 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20330 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20331 * i370.md: (movdi): Add notes.
20332 (floatsidf2): Use stack not rtca for scratch float area.
20333 (iorsi3): Correct operand constraints.
20334 * x-oe: Restore TAROUTOPTS which are used by pax.
20336 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20338 * rs6000.c: Include ggc.h.
20339 (rs6000_add_gc_roots): New function.
20340 (override_options): Call it.
20342 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20344 * alpha.h (alpha_compare): New.
20345 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20346 * alpha.c: Likewise for the definitions.
20347 (alpha_emit_conditional_branch): Update for alpha_compare.
20348 (alpha_emit_conditional_move): Likewise.
20349 * alpha.md (cmpdf, cmpdi): Likewise.
20350 (setcc patterns): Likewise. Zero alpha_compare after use.
20351 (sne): Optimize (x != 0) into (0U < x).
20353 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20355 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20356 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20357 (INIT_EXPANDERS): Remove.
20358 * alpha.c: Include ggc.h.
20359 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20360 (alpha_init_machine_status, alpha_mark_machine_status): New.
20361 (override_options): Install them.
20362 (struct machine_function): Moved to alpha.h.
20363 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20364 (alpha_init_expanders): Remove.
20365 (alpha_return_addr): Adjust to use current_function->machine.
20366 (alpha_ra_ever_killed): Likewise.
20367 (alpha_expand_epilogue): Likewise.
20368 * alpha.md (eh_epilogue): Likewise.
20370 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20371 Melissa O'Neill <oneill@cs.sfu.ca>
20372 Geoffrey Keating <geoffk@cygnus.com>
20374 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20375 call-used registers (call-saved registers must still be contiguous
20376 and end with r31, of course).
20378 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20380 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20381 (self_promoting_type_p): Delete.
20382 (self_promoting_args_p): Move ...
20383 * c-common.c: ... here.
20384 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20385 (simple_type_promotes_to): New.
20386 * builtins.c (lang_type_promotes_to): New.
20387 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20388 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20389 * c-common.h: ... here.
20390 (self_promoting_args_p, simple_type_promotes_to): Declare.
20391 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20392 (grokdeclarator): Likewise.
20393 * tree.h (lang_type_promotes_to): Declare.
20395 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20397 Add some machine-dependent GC roots.
20398 * sparc.c: Include ggc.h.
20399 (sparc_add_gc_roots): New function.
20400 (mark_ultrasparc_pipeline_state): Likewise.
20401 (override_options): Call sparc_add_gc_roots.
20402 * pa.c: Include ggc.h.
20403 (pa_add_gc_roots): New function.
20404 (mark_deferred_plabels): Likewise.
20405 (override_options): Call pa_add_gc_roots.
20406 * mips.c: Include ggc.h.
20407 (mips_add_gc_roots): New function.
20408 (override_options): Use it.
20410 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20412 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20414 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20415 cpp_parse_expr): Add static prototypes.
20416 (parse_charconst): Don't cast away const-ness.
20417 (token): Constify a char*.
20419 * cppfiles.c (file_name_list, include_hash, find_include_file,
20420 finclude, initialize_input_buffer): Constify a char*.
20421 (file_cleanup, find_position): Add static prototypes.
20423 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20424 collect_expansion): Add static prototypes.
20425 (cpp_install, create_definition, monthnames): Constify a char*.
20427 * cpphash.h (cpp_install): Likewise.
20429 * cppinit.c (known_suffixes, default_include,
20430 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20431 (base_name, dump_special_to_buffer, initialize_dependency_output):
20432 Add static prototypes.
20434 * cpplib.c (my_strerror): Constify a char*.
20435 (null_underflow, null_cleanup, skip_comment, copy_comment,
20436 copy_rest_of_line, handle_directive, pass_thru_directive,
20437 get_directive_token, read_line_number, cpp_print_file_and_line,
20438 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20439 v_cpp_warning_with_line, detect_if_not_defined,
20440 consider_directive_while_skipping): Add static prototypes.
20441 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20442 cpp_pedwarn_with_file_and_line): Constify a char*.
20444 * cpplib.h (cpp_options, include_hash, progname, definition,
20445 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20446 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20447 find_include_file, deps_output, include_hash): Constify a char*.
20449 * cppmain.c (progname): Constify.
20450 (main): Add prototype. Use return, not exit.
20452 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20453 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20454 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20455 check_protection): Add static prototype.
20457 (progname, recognized_macrom, recognized_extern): Constify a char*.
20458 (main): Add prototype.
20460 * gen-protos.c (progname): Constify a char*.
20462 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20464 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20465 (init_emit_once): Add more GC roots.
20466 * except.c (mark_func_eh_entry): New function.
20467 (mark_eh_node): Mark false_label and rethrow_label.
20468 (init_eh): Add more GC roots.
20469 * function.c (free_after_compilation): Take decl as a paramter.
20470 Call free_stmt_status.
20471 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20473 * function.h (free_after_compilation): Change prototype.
20474 (free_varasm_status): Likewise.
20475 (free_emit_status): Likewise.
20476 (free_stmt_status): New function.
20477 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20478 Remove, replacing with ...
20479 (ggc_status): New structure.
20480 (ggc_chain): New variable.
20481 (init_gcc): Define.
20482 (ggc_push_context): New function.
20483 (ggc_pop_context): Likewise.
20484 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20485 (ggc_alloc_rtvec): Likewise.
20486 (ggc_alloc_tree): Likewise.
20487 (ggc_alloc_string): Likewise.
20488 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20489 (ggc_mark_tree): Give language-dependent code a chance to mark
20491 (ggc_mark_tree_varray): Handle empty arrays.
20492 (ggc_collect): Adjust for use of ggc_chain. Clear
20493 bytes_alloced_since_last_gc.
20494 * ggc.h (ggc_pop_context): New function.
20495 (ggc_push_context): Likewise.
20496 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20497 * stmt.c (free_stmt_status): New function.
20498 (init_stmt_for_function): Clear last_expr_value.
20499 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20500 Conditionalize call to ggc_collect.
20501 (main): Call init_ggc.
20502 * tree.c (push_obstacks): Do the push, even when GC'ing.
20503 (push_obstacks_nochange): Likewise.
20504 (pop_obstacks): Liekwise.
20505 * varasm.c (free_varasm_status): Take decl as a parameter.
20507 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20509 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20510 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20511 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20512 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20514 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20516 * pa/x-pa-mpeix: New file for the MPE port.
20518 * pa/quadlib.asm: New file for long double support.
20520 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20521 * configure: Rebuilt.
20523 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20525 * final.c (shorten_branches): Fix last change.
20527 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20529 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20531 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20533 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20536 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20538 * c-aux-info.c (concat): Don't define.
20540 * cccp.c (my_strerror): Likewise. All callers changed to use
20542 (do_include): Call xstrdup, not xmalloc/strcpy.
20543 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20544 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20546 * collect2.c (my_strsignal): Likewise. All callers changed to use
20548 (locatelib): Call xstrdup, not xmalloc/strcpy.
20550 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20552 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20554 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20556 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20558 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20560 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20562 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20564 (find_all_handler_type_matches): Likewise. Don't check return
20566 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20567 xmalloc, not malloc.
20568 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20570 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20571 (init_spec): Call xcalloc, not xmalloc/bzero.
20572 (set_spec): Call xstrdup, not save_string.
20573 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20574 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20575 (process_command): Call xstrdup, not save_string.
20576 (main): Call xcalloc, not xmalloc/bzero.
20578 * gcov.c (xmalloc): Don't define.
20579 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20580 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20581 (output_data): Call xcalloc, not xmalloc/bzero.
20583 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20585 * mips-tdump.c (xmalloc): Don't define.
20586 (print_symbol): Call xmalloc, not malloc.
20587 (read_tfile): Call xcalloc, not calloc.
20589 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20590 Don't define. All callers of xfree/my_strsignal changed to use
20591 free/strsignal instead.
20592 (allocate_cluster): Call xcalloc, not calloc.
20594 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20595 Fix memory leak, free allocated memory.
20597 * prefix.c (translate_name): Call xstrdup, not save_string.
20598 (update_path): Likewise.
20600 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20602 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20603 Don't define. Callers of xfree/savestring2 changed to use
20604 free/concat instead.
20606 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20607 (init_elim_table): Likewise.
20609 * resource.c (init_resource_info): Likewise.
20611 * stupid.c (stupid_life_analysis): Likewise.
20613 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20614 (open_dump_file): Call concat, not xmalloc/strcpy/...
20615 (clean_dump_file): Likewise.
20616 (compile_file): Call xstrdup, not xmalloc/strcpy.
20618 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20620 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20621 * v850.c (v850_va_arg): New.
20623 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20625 * haifa-sched.c: Tidy comments.
20627 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20629 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20630 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20631 $(out_object_file)): Depend on ggc.h.
20632 * c-common.c: Include "ggc.h".
20633 (combine_strings): If doing GC, use ggc_alloc_string.
20634 * c-decl.c: Include "ggc.h".
20635 (ggc_p): Define with value 0.
20636 (mark_binding_level): New function.
20637 (init_decl_processing): Add GC roots.
20638 (mark_c_function_context): New function.
20639 (lang_mark_false_label_stack): New function.
20640 (lang_mark_tree): New function.
20641 (lang_cleanup_tree): New function.
20642 * c-lang.c: Include "ggc.h".
20643 (lang_init): Call c_parse_init.
20644 * c-lex.c: Include "ggc.h".
20645 (check_linenum): If doing GC, don't copy filenames to permanent
20647 * c-parse.in: Include "ggc.h".
20648 (c_parse_init): New function.
20649 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20650 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20652 * except.c (mark_eh_state): Mark more state.
20653 * function.c (mark_function_state): Likewise.
20654 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20655 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20656 * toplev.c (mark_file_stack): New function.
20657 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20658 (main): Add root for input_file_stack.
20660 * i386.c: Include "ggc.h".
20661 (ix86_mark_machine_status): New function.
20662 (override_options): Set mark_machine_status.
20664 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20666 * tree.c (copy_node): Copy node contents also if doing GC.
20668 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20670 * collect2.c (scan_libraries): Fix double-thinko :-).
20672 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20674 * collect2.c (scan_libraries): Fix thinko.
20676 * cse.c (delete_trivially_dead_insns): Do not skip the last
20677 insn if it is a real insn.
20679 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20681 * Makefile.in (ggc-simple.o): Depend on hash.h.
20682 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20683 (ggc_mark_tree_varray): Likewise.
20684 (ggc_mark_tree_hash_table): Likewise.
20685 * ggc-simple.c: Include hash.h.
20686 (ggc_mark_tree_hash_table_ptr): New function.
20687 (ggc_mark_tree_hash_table_entry): Likewise.
20688 (ggc_mark_tree_hash_table): Likewise.
20689 (ggc_add_tree_hash_table_root): Likewise.
20690 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20691 rtx, when defining fields.
20693 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20695 * profile.c (output_func_start_profiler): Remove apparently
20696 nonsensical call to start_sequence.
20698 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20700 * clipper/clipper.c (clipper_va_start): Fix typos.
20702 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20703 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20704 (spur_va_arg): New stub.
20706 * configure.in: Comment out pyramid.
20708 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20710 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20711 don't conflict with the bits that win32, cygwin, and dgux
20714 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20715 Bernd Schmidt <bernds@cygnus.co.uk>
20717 * integrate.c (function_cannot_inline_p): Do not inline
20718 functions with forced labels.
20720 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20721 Bernd Schmidt <bernds@cygnus.co.uk>
20722 Mark Mitchell <mark@codesourcery.com>
20724 * Makefile.in (ggc-simple.o): Depend on varray.h.
20725 (rtl.o): Depend on ggc.h.
20726 (genattrtab.o): Depend on ggc.h.
20727 (print-tree.o): Likewise.
20728 (fold-const.o): Likewise.
20729 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20730 (make_insn_raw): Don't cache insns when GC'ing.
20731 (emit_insn_before): Likewise.
20732 (emit_insn_after): Likewise.
20733 (emit_insn): Likewise.
20734 (start_sequence): Use xmalloc to allocate the sequence_stack.
20735 (end_sequence): Add free to free it.
20736 (gen_sequence): Don't cache insns when GC'ing.
20737 (clear_emit_caches): Don't use sequence_element_free_list.
20738 (init_emit): Use xcalloc, not xmalloc+bzero.
20739 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20740 * function.c (pop_function_context_from): Use free to free the
20741 fixup_var_refs_queue.
20742 (put_reg_into_stack): Allocate it with xmalloc.
20743 * genattrtab.c: Include ggc.h.
20744 (operate_exp): Don't use obstack_free when GC'ing.
20745 (simplify_cond): Likewise.
20746 (simplify_text_exp): Likewise.
20747 (optimize_attrs): Likewise.
20748 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20750 (gencode): Generate a #include for ggc.h.
20751 * ggc-callbacks.c (ggc_p): Define it to zero.
20752 * ggc-none.c (ggc_p): Likewise.
20753 * ggc-simple.c: Include varray.h.
20754 (ggc_mark_tree_varray): New function.
20755 (ggc_add_tree_varray_root): Likewise.
20756 (ggc_mark_tree_varray_ptr): Likewise.
20757 * ggc.h (ggc_p): Declare.
20758 (varray_head_tag): Likewise.
20759 (ggc_add_tree_varray_root): Declare.
20760 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20761 inconsistencies when GC'ing.
20762 * rtl.c: Include ggc.h.
20763 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20764 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20765 (rtx_free): Don't call obstack_free when GC'ing.
20766 * toplev.c (rest_of_compilation): Call ggc_collect after every
20768 * tree.c (push_obstacks): Do nothing, if GC'ing.
20769 (pop_obstacks_nochange): Likewise.
20770 (pop_obstacks): Likewise.
20771 (make_node): Use ggc_alloc_tree when GC'ing.
20772 (copy_node): Likewise.
20773 (get_identifier): Use ggc_alloc_string when GC'ing.
20774 (build_string): Likewise.
20775 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20776 (tree_cons): Likewise.
20777 (build1): Likewise.
20778 (type_hash_canon): Don't call obstack_free when GC'ing.
20780 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20782 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20783 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20785 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20786 Bernd Schmidt <bernds@cygnus.co.uk>
20787 Mark Mitchell <mark@codesourcery.com>
20789 * Makefile.in (stor-layout.o): Depend on ggc.h.
20790 (expr.o): Depend on ggc.h.
20791 (profile.o): Depend on ggc.h.
20792 (stor-layout.o): Depend on ggc.h.
20793 * emit-rtl.c (init_emit_once): Add gc roots.
20794 * expr.c: Include ggc.h.
20795 (emit_block_move): Add gc roots.
20796 (clear_storage): Likewise.
20797 * expr.h (init_stor_layout_once): New function.
20798 * profile.c: Include ggc.h.
20799 (init_arc_profiler): profiler_label is a root.
20800 * scan.c (make_sstring_space): Trust xrealloc to function
20801 correctly with first parameter NULL.
20802 * stor-layout.c: Include ggc.h.
20803 (set_sizetype): Add gc root.
20804 (init_stor_layout_once): New function.
20805 * toplev.c (compile_file): Call it.
20807 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20808 Bernd Schmidt <bernds@cygnus.co.uk>
20809 Mark Mitchell <mark@codesourcery.com>
20811 * Makefile.in (tree.o): Depend on ggc.h.
20812 (varasm.o): Likewise.
20813 (function.o): Likewise.
20814 (stmt.o): Likewise.
20815 (except.o): Likewise.
20816 (optabs.o): Likewise.
20817 (emit-rtl.o): Likewise.
20818 * emit-rtl.c: Include ggc.h.
20819 (sequence_element_free_list): Remove, and all references.
20820 (mark_sequence): New functions.
20821 (mark_emit_state): New function.
20822 * except.c: Include ggc.h.
20823 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20824 (mark_tree_label_node): New functions.
20825 (mark_eh_state): New function.
20826 * function.c: Include ggc.h.
20827 (mark_temp_slot, mark_function_chain): New functions.
20828 (mark_function_state): New function.
20829 (init_function_once): New function.
20830 * function.h (init_function_once): New function.
20831 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20832 * ggc.h (label_node): Declare.
20833 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20834 (lang_mark_false_label_stack): New function.
20835 (mark_temp_slot): Remove declaration.
20836 (mark_function_chain): Likewise.
20837 (mark_eh_state): Adjust prototype.
20838 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20840 * optabs.c: Include ggc.h.
20841 (mark_optab): New function.
20842 (init_optabs): Add gc roots.
20843 * stmt.c: Include ggc.h.
20844 (mark_cond_nesting, mark_loop_nesting): New functions.
20845 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20846 (mark_stmt_state): New function.
20847 * toplev.c (compile_file): Call init_function_once.
20848 * tree.c: Include ggc.h.
20849 (type_hash): Move declaration earlier in file.
20850 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20851 (init_obstacks): Add gc roots.
20852 (mark_type_hash): New function.
20853 * varasm.c: Include ggc.h.
20854 (mark_pool_constant): New function.
20855 (mark_varasm_state): New function.
20857 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20859 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20861 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20863 * c-decl.c (struct language_function): Renamed from struct c_function.
20865 (c_function_chain): Delete.
20866 (push_c_function_context): New arg F. Don't warn about nested
20867 functions here. Fill LANGUAGE elt of F. Delete code to update
20868 c_function_chain. Don't call push_function_context.
20869 (pop_c_function_context): New arg F. Restore from there instead of
20870 from c_function_chain. Don't call pop_function_context. Clear out
20871 LANGUAGE field of F when done.
20872 * c-lang.c: Include "function.h"
20873 (lang_init): Initialize save_lang_status and restore_lang_status.
20874 * c-parse.in (nested_function, nested_function_notype): Warn about
20875 nested functions. Call push_function_context/pop_function_context
20876 instead of the _c_ variants.
20877 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20879 * Makefile.in (c-lang.o): Update dependencies.
20881 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20882 regno_pointer_flag, regno_pointer_align.
20883 (gen_reg_rtx): Use xrealloc to enlarge them.
20884 (free_emit_status): New function.
20885 * function.c (mark_machine_status, mark_lang_status): New variables.
20886 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20887 in some bits from assign_stack_local. All callers changed to use new
20889 (assign_stack_local): Just call assign_stack_local_1.
20890 (free_after_compilation): New function.
20891 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20892 (trampoline_address): Likewise.
20893 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20894 (prepare_function_start): Explicitly clear some more variables.
20895 * function.h (struct function): New elt can_garbage_collect.
20896 (mark_machine_status, mark_lang_status): Declare variables.
20897 (free_after_compilation, free_emit_status, free_varasm_status,
20898 init_varasm_status): Declare functions.
20899 * toplev.c (rest_of_compilation): Call free_after_compilation when
20900 done with the current function.
20901 * varasm.c (free_varasm_status): New function.
20903 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20905 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20906 (EXPAND_BUILTIN_VA_ARG): Define.
20907 * sparc.c (sparc_va_start): New.
20908 (sparc_va_arg): New.
20910 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20912 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20914 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20916 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20918 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20920 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20921 (OBJS): Add $(GGC).
20922 (ggc-callbacks.o): New target.
20923 * ggc-callbacks.c: New file.
20925 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20927 * expr.h: Collapse individual optab and libfunc vars to arrays.
20928 (optab_index, libfunc_index): New enumerations.
20929 (optab_table, libfunc_table): New arrays.
20930 Add accessor macros for both.
20932 * optabs.c (optab_table, libfunc_table): New.
20933 Delete declarations for individual optab and libfunc vars.
20935 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20937 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20939 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20941 * Makefile.in (GGC, GGC_LIB): New.
20942 (HOST_RTL): Include ggc-none.o.
20943 (ggc-simple.o): New target.
20944 (ggc-none.o): Likewise.
20945 * tree.h (tree_common): Add gc_mark.
20946 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20947 (struct rtvec_def): Add gc_mark.
20948 * emit-rtl.c (global_rtl): Update static initializers to contain
20949 enough initializers.
20950 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20951 * toplev.c (gc_time): New variable.
20952 (all_time): New variable.
20953 (compile_file): Print gc time.
20954 (print_time): Calculate percentage of the whole.
20956 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20958 Change obstack memory management and varasm constant pool handling so
20959 that nested functions are treated like any other functions.
20960 * function.c (init_machine_status): New variable.
20961 (push_function_context_to): Set contains_functions for the outer
20962 function. Don't call save_varasm_status.
20963 (pop_function_context_from): Don't call restore_varasm_status. Don't
20964 set current_function_contains_functions.
20965 (prepare_function_start): Call init_varasm_status rather than
20966 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20968 * function.h (struct function) Add field varasm. Delete fields
20969 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20970 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20971 (init_machine_status): Declare.
20972 (save_varasm_status, restore_varasm_status): Delete declarations.
20973 (save_tree_status, restore_tree_status): Delete last argument.
20974 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20975 code. All callers changed.
20976 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20977 save_constants_in_decl_trees, restore_constants, save_constants,
20978 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20980 (inlining): New variable.
20981 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20982 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20984 (save_for_inline_nocopy): Don't save constants.
20985 Don't set inl_emit field in current_function.
20986 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20987 function. Set new variable inlining before
20988 calling copy_rtx_and_substitute.
20989 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20990 constant pool references if inlining is nonzero.
20991 Delete ADDRESS and (most of the) CONST cases.
20992 (output_inline_function): Save and restore current_function/
20993 current_function_decl. Delete restore_constants code. Don't call
20994 init_const_rtx_hash_table.
20995 * output.h (init_const_rtx_hash_table): Don't declare.
20996 * rtl.h (struct function): Declare.
20997 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20998 * toplev.c (rest_of_compilation): Don't treat nested functions or
20999 functions containing them specially. Delete all code to deal with
21000 save_for_inline_copying.
21001 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21002 inline_obstacks): Delete variables.
21003 (save_tree_status): Lose arg CONTEXT. All callers changed.
21004 Simply allocate a new function_maybepermanent_obstack for the new
21005 function, delete all the special cases.
21006 Don't save inline_obstacks.
21007 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21008 Delete special handling for function_maybepermanent_obstack; simply
21010 Don't restore inline_obstacks.
21011 (permanent_allocation): Delete code that frees inline_obstacks.
21012 (print_inline_obstack_statistics): Delete function.
21013 (dump_tree_statistics): Don't call it.
21014 * varasm.c (struct varasm_status): New.
21015 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21016 last_pool, pool_offset, const_double_chain): Delete global
21017 variables, replace with accessor macros.
21018 (immed_double_const): Don't walk const_double_chain outside a
21019 function, but don't treat nested functions specially anymore.
21020 (immed_real_const_1): Likewise.
21021 (clear_const_double_mem): Don't treat nested functions specially.
21022 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21023 (save_varasm_status, restore_varasm_status): Delete functions.
21024 (init_varasm_status): New function.
21025 (force_const_mem): Don't treat nested functions specially.
21026 (find_pool_constant): Accept new arg F, search for constants in
21027 that function's pool rather than the current one. All callers
21029 (get_pool_constant_for_function, get_pool_mode_for_function): New
21032 * i386.c (init_386_machine_status): New function, mostly from
21033 clear_386_stack_locals.
21034 (struct machine_functions): Rename element names to avoid name
21036 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21037 macros, replacing global variables.
21038 (clear_386_stack_locals, save_386_machine_status,
21039 restore_386_machine_status): Delete functions.
21040 (override_options): Initialize init_machine_status.
21041 * i386.h (INIT_EXPANDERS): Delete macro.
21042 (save_386_machine_status, restore_386_machine_status,
21043 clear_386_stack_locals): Delete declarations.
21045 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21047 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21048 (doloop_begin): Simplify pattern and use emit_jump_insn.
21049 (doloop_end): Simplify pattern, switch operand order,
21050 and use emit_jump_insn.
21052 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21054 * function.h (struct function): Add new element LANGUAGE.
21055 (save_lang_status): Declare new variable.
21056 (restore_lang_status): Likewise.
21057 * function.c (save_lang_status): Define.
21058 (restore_lang_status): Likewise.
21059 (push_function_context_to): Call language-specific save function.
21060 (pop_function_context_from): Call language-specific restore function.
21062 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21064 * i386.md (movsf_1): Check REG_P before use of REGNO.
21065 (movdf_1): Likewise.
21066 (movxf_1): Likewise.
21067 (extendsfdf2): Likewise.
21068 (extendsfxf2): Likewise.
21069 (extenddfxf2): Likewise.
21071 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21073 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21074 constants into memory.
21075 (c4x_shiftable_constant): New function.
21076 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21077 (c4x_shiftable_constant): Declare.
21078 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21079 ashlqi3_noclobber): Add new patterns and associated splitters.
21081 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21083 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21084 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21085 * final.c (shorten_branches): Likewise.
21086 * global.c (global_alloc): Likewise.
21087 * haifa-sched.c (build_control_flow): Likewise.
21088 * stmt.c (check_for_full_enumeration_handling): Likewise.
21089 (estimate_case_costs): Likewise.
21091 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21093 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21095 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21097 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21098 (recompute_reg_usage): Likewise.
21099 * rtlanal.c (find_regno_fusage): Likewise.
21101 * rtl.c (rtl_check_failed_code1): New function.
21102 (rtl_check_failed_code2): New.
21103 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21104 (RTL_CHECKC1, RTL_CHECKC2): New.
21105 (XC*): New accessor macros.
21106 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21107 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21108 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21109 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21110 (TRAP_*, RANGE_INFO_*): Likewise.
21112 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21114 * Makefile.in (tlink.o): Don't depend on toplev.h.
21116 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21117 output_file, nm_file_name, ldd_file_name, strip_file_name,
21118 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21119 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21120 fork_execute, maybe_unlink, add_to_list,
21121 extract_init_priority, write_list, dump_list,
21122 dump_prefix_list, write_list_with_asm, write_c_file,
21123 write_c_file_stat, write_c_file_glob, scan_prog_file,
21124 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21125 ignore_library, extract_string, notice, dump_file, target_machine,
21126 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21127 read_file, print_load_command): Constify a char*.
21128 (fdopen, error, fatal, fatal_perror): Don't prototype.
21129 (my_strerror): Remove. All callers use xstrerror instead.
21130 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21131 (main): Add prototype. Constify lots of char* ptrs. Change calls
21132 to xcalloc/strcpy/strcat/... to one call to concat.
21133 (main, scan_prog_file, scan_libraries): Use an intermediate
21134 `const char **' to build an argv array.
21135 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21137 * collect2.h (collect_execute, collect_wait, dump_file,
21138 file_exists): Constify a char*.
21139 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21140 temporary_firstobj, vflag, debug): Add extern declarations.
21141 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21143 * tlink.c: Don't include toplev.h.
21144 (vflag, debug, ldout, c_file_name, temporary_obstack,
21145 permanent_obstack, temporary_firstobj): Don't declare.
21146 (tlink_execute, frob_extension, symbol_hash_lookup,
21147 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21148 recompile_files, read_repo_files, demangle_new_symbols,
21149 scan_linker_output): Constify a char*.
21150 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21151 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21153 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21155 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21156 (relative) rather than jsr (absolute) subroutine call insns.
21157 * config/m68k/m68k-coff.h: Ditto.
21159 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21161 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21162 now rework these too.
21163 (arm_reorg): If an insn can't reach the end of the current pool,
21164 ensure that we emit that pool before the insn.
21166 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21168 * tlink.c (scan_linker_output): Skip the initial underscore in
21169 a mangled name if appropriate.
21171 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21173 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21174 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21175 error_with_ivar, gen_declarator, create_builtin_decl,
21176 my_build_string, generate_descriptor_table, generate_ivars_list,
21177 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21178 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21179 dump_base_name, lang_decode_option, build_encode_expr,
21180 start_class, finish_class, encode_pointer, really_start_method,
21181 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21183 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21184 Add static prototypes.
21185 (build_objc_string_decl, build_selector_reference_decl,
21186 encode_bitfield, build_class_reference_decl): Remove unused
21187 parameter, all callers changed.
21188 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21189 (objc_printable_name): Likewise. Change second parameter to type int.
21190 (init_objc): Use memcpy, not bcopy, to avoid casts.
21192 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21194 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21195 reg notes on a deleted insn.
21196 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21198 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21200 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21202 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21204 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21207 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21209 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21210 * tm.texi (MD_ASM_CLOBBERS): Document it.
21212 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21214 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21215 * except.c (expand_rethrow): Remove unused variable.
21216 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21217 * flow.c (replace_insns): Likewise.
21218 (create_edge_list, verify_edge_list): Likewise.
21219 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21221 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21222 is special code to run.
21223 (main): Don't define operands to emit_operand.
21224 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21226 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21228 * alpha/alpha.h (normal_memory_operand): Declare.
21229 (reg_no_subreg_operand): Declare.
21230 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21232 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21234 * c-parse.in (compstmt_primary_start): New, broken out of first
21235 part of compstmt handling in primary.
21236 (primary): Use it. Add an error clause.
21237 (compstmt_nostart): Renamed from compstmt; remove all
21238 initial invocations of compstmt_start.
21241 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21243 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21246 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21248 * combine.c (simplify_shift_const): Remove extra semicolon.
21249 * dwarf2out.c (remove_AT): Likewise.
21250 * expmed.c (expand_mult): Likewise.
21251 * gcov.c (create_program_flow_graph): Likewise.
21252 * reorg.c (mostly_true_jump): Likewise.
21254 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21256 * fold-const.c (fold_range_test): Do not try to fold the range
21257 test if the rhs or lhs has side effects.
21259 * combine.c (simplify_rtx): Recognize another case of a synthesized
21262 * varasm.c (mark_constant_pool): When marking indirect references,
21263 only look at SYMBOL_REFs.
21265 * except.c (expand_fixup_region_end): Do not peek at
21266 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21268 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21270 * flags.h: New variables align_loops, align_loops_log,
21271 align_jumps, align_jumps_log, align_labels, align_labels_log,
21272 align_functions, align_functions_log.
21273 * toplev.c: Define them.
21274 (f_options): Handle -falign-* when they have no argument.
21275 (main): Add logic to set variables for -falign-functions,
21276 -falign-jumps, -falign-labels, -falign-loops.
21277 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21278 (display_help): Change help to match options.
21279 * final.c (LABEL_ALIGN): Default to align_labels_log.
21280 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21281 (LOOP_ALIGN): Default to align_loops_log.
21282 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21283 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21284 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21285 * varasm.c (assemble_start_function): Handle align_functions.
21287 * config/sparc/sparc.h: Don't declare sparc_align_*.
21288 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21289 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21291 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21293 * config/sparc/sparc.c: Delete sparc_align_loops,
21294 sparc_align_jumps, sparc_align_funcs and the corresponding string
21296 (sparc_override_options): Default align_functions on ultrasparc.
21297 Delete -malign-* handling.
21299 * config/mips/mips.c (override_options): On 64-bit targets,
21300 try to align code to 64-bit boundaries.
21301 (print_operand): New substitution, %~,
21302 which aligns labels to align_labels_log.
21303 * config/mips/mips.md (div_trap_normal): Use %~.
21304 (div_trap_mips16): Likewise.
21306 (absdi2): Likewise.
21307 (ffssi2): Likewise.
21308 (ffsdi2): Likewise.
21309 (ashldi3_internal): Likewise.
21310 (ashrdi3_internal): Likewise.
21311 (lshrdi3_internal): Likewise.
21312 (casesi_internal): Likewise.
21314 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21316 Merge new ia32 backend from the branch!
21318 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21319 See ChangeLog.P2 on new_ia32_branch for details.
21321 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21322 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21323 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21324 * i386/gas.h (ASM_FILE_START): Define.
21325 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21326 for name change of ix86_valid_decl_attribute_p.
21327 (i386_pe_valid_type_attribute_p): Similarly.
21329 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21331 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21332 to step through CC modes.
21334 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21336 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21337 it would end up in the shadow of a live flags regsiter.
21339 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21341 * reload1.c: Fix many indentation problems.
21342 * reload.c: Likewise.
21344 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21346 * alias.c (non_local_reference_p): Constify fmt.
21348 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21350 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21352 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21354 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21355 the internal_arg_pointer.
21357 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21359 Merge peephole2 from new_ia32_branch:
21360 * Makefile.in (STAGESTUFF): Add *.peephole2.
21361 (mostlyclean): Likewise.
21362 (recog.o): Depend on resource.h.
21364 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21365 (final_scan_insn): Likewise for the invocation of peephole.
21366 * genconfig.c (main): Look for peephole and peephole2 patterns.
21367 Emit HAVE_peephole* accordingly.
21368 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21369 * flags.h (flag_peephole2): Declare.
21370 * toplev.c: New pass peephole2. New flag -fpeephole2.
21372 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21373 * gencodes.c (main): Likewise.
21374 * genextract.c (main): Likewise.
21375 * genoutput.c (main): Likewise.
21376 * genemit.c (max_operand_1): Look for the max scratch operand.
21377 (gen_rtx_scratch): New.
21378 (gen_exp): Use it, and pass on new arg subroutine_type.
21379 (gen_expand): Take max scratch into account.
21380 (gen_split): Emit peephole2 functions.
21381 (output_peephole2_scratch): New.
21382 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21383 * genrecog.c (routine_type): Add PEEPHOLE2.
21385 (make_insn_sequence): Match outer parallel for peep2. Discard
21386 top level scratches and dups.
21387 (add_to_sequence): New args insn_type and top. Update all callers.
21388 Handle toplevel peep2 matching insns.
21389 (write_subroutine): Handle peep2.
21390 (write_tree_1): Likewise.
21391 (write_tree): Likewise.
21393 (change_state): New arg afterward. Update all callers.
21394 Handle matching separate insns.
21395 * recog.c (recog_next_insn): New.
21396 (peephole2_optimize): New.
21397 * rtl.def (DEFINE_PEEPHOLE2): New.
21398 * resource.c (find_free_register): New argument last_insn. Use it
21399 to find a register available through the entire span.
21400 * resource.h (find_free_register): Update prototype.
21402 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21404 * i386.c (output_strlen_unroll): Don't write xops[7]
21405 label if it wasn't set.
21407 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21409 * cpplib.c (struct directive): Const-ify name pointer and
21410 function pointer prototype.
21411 (validate_else, do_define, do_line, do_include, do_undef,
21412 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21413 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21414 do_warning): Const-ify second arg.
21415 (directive_table): Mark const. Reorder entries by frequency
21416 of usage, record statistics.
21418 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21420 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21421 bounds- check RTL accesses if --enable-checking.
21422 (RTVEC_ELT): Bounds check if --enable-checking.
21423 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21424 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21425 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21427 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21428 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21430 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21431 (NOTE_SOURCE_FILE): Use X0STR.
21432 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21433 MEM_ALIAS_SET): Use X0INT.
21434 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21435 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21437 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21438 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21439 (rtl_check_failed_bounds, rtl_check_failed_type1,
21440 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21442 (fancy_abort): Fix comment.
21444 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21445 (cse_insn): Decrement LABEL_NUSES for jump target before
21446 deleting jump insn.
21447 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21448 * final.c (alter_subreg): Compute regno before changing x to
21449 REG; set REGNO(x) after changing it.
21450 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21451 notes containing CONST_INTs.
21452 (delete_eh_regions): Use NOTE_EH_HANDLER.
21453 * function.c (put_reg_into_stack): Make reg a MEM before
21455 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21457 (gen_mem_addressof): Make reg a MEM before initializing it.
21458 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21460 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21461 deleting an insn, not after.
21462 (block_alloc): Only look at PATTERN(insn) if we have to, and
21463 only if it's format class 'i'.
21464 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21465 CONST_INT before using its INTVAL.
21466 * print-rtl.c (print_rtx): Use X0STR.
21467 * regmove.c (fixup_match_1): Don't look at PATTERN of
21468 non-class-'i' insn chain elements.
21469 * reload.c (loc_mentioned_in_p): Take address of
21470 in->fld[1].rtx directly.
21471 * reload1.c (reload): Change reg to a MEM before initializing
21473 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21475 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21477 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21479 * config/mips/mips.c (machine_dependent_reorg): Force a
21480 barrier to output the local constant pool if a barrier hasn't
21481 been found at a natural point in the instruction stream.
21483 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21485 * c-parse.in (language_string): Constify.
21487 * dwarf2out.c (language_string): Remove declaration.
21489 * dwarfout.c (language_string): Likewise.
21491 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21493 * tree.h (language_string, init_parse, finish_parse): Declare.
21495 * i386/sun386.h (language_string): Remove declaration.
21497 * mips.h (language_string): Likewise.
21499 * nextstep.h (language_string): Likewise.
21501 * nextstep21.h (language_string): Likewise.
21503 * rs6000.c (language_string): Likewise.
21505 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21507 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21508 (getpwd.o): Remove target.
21510 * getpwd.c: Delete file. Its in libiberty now.
21512 * dbxout.c (getpwd): Don't prototype.
21513 * dwarf2out.c (getpwd): Likewise
21514 * dwarfout.c (getpwd): Likewise
21515 * final.c (getpwd): Likewise.
21516 * protoize.c (getpwd): Likewise.
21518 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21520 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21522 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21524 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21525 mark_set_resources.
21527 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21529 * fixinc/Makefile.in (subdir): New.
21530 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21533 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21535 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21536 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21539 * invoke.texi: Fix typo.
21541 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21542 changed. Handle autoincrement addressing modes.
21544 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21545 just like we would the virtual incoming args register when
21548 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21550 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21551 path, in .file directive.
21553 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21555 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21558 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21560 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21563 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21565 * tree.c (tree_code_name): Constify a char*.
21567 * tree.h (tree_code_name, decl_printable_name): Likewise.
21569 * function.h (struct function): Likewise.
21571 * toplev.c (decl_name, decl_printable_name): Likewise.
21573 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21575 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21576 (init_objc): Remove function pointer cast.
21578 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21580 * pa.md (interspace_jump): New pattern.
21581 (builtin_longjmp): New expander.
21583 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21585 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21586 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21587 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21589 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21591 * jump.c (delete_prior_computation): Also check calls
21592 to constant functions. Don't bother checking for a
21593 REG_UNUSED note before adding it.
21594 (delete_computation): Handle multi-word hard registers
21595 when synthesizing missing REG_DEAD notes for a register
21596 which is both set and used by an insn.
21598 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21600 * loop.c (this_loop_info): New variable.
21601 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21602 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21604 (prescan_loop, strength_reduce): New argument loop_info. All callers
21606 (scan_loop): New variable loop_info, initialise to address of
21608 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21609 Delete variable loop_has_multiple_exit targets and replace with
21610 field in this_loop_info.
21611 (find_and_verify_loops): Rename this_loop to this_loop_num.
21612 (strength_reduce): Delete loop_iteration_info. Replace variable
21613 loop_info with function argument of same name.
21614 (insert_bct): Rework test for loop being completely unrolled.
21616 * loop.h (struct loop_info): New fields num, loops_enclosed,
21617 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21618 has_indirect_jump, and cont. Redefine use of unroll_number.
21619 (loop_unroll_number): Delete.
21621 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21622 field of loop_info.
21623 (loop_iterations): Delete variable vtop and instead use
21624 loop_info->vtop computed in prescan_loop.
21626 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21628 * fix-header.c (main): Do not pass a null pointer to strcmp.
21630 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21632 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21634 * configure: Rebuilt.
21636 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21638 * jump.c (jump_optimize_1): Do not delete assignments to
21639 internal_arg_pointer.
21640 * cse.c (delete_trivially_dead_insns): Always consider a set of
21641 the internal_arg_pointer live.
21643 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21645 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21646 (update_life_info) [REG_WAS_0]: Search the original insns rather
21647 than the new insns for the note. Fix typos finding note_dest.
21648 If no dest found, discard the note rather than abort.
21649 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21650 (replace_insns): Remove the old insn list after update_life_info
21653 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21655 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21656 sched_analyze_insn.
21657 (sched_analyze_1): Let add_dependence care for not adding dups.
21658 (sched_analyze_2): Likewise.
21659 (add_branch_dependences): Likewise.
21661 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21663 * i386/winnt.c (export_list): New type.
21664 (exports_head): Rename to
21665 (export_head): this.
21666 (i386_pe_record_exported_symbol): Add is_data flag.
21667 (i386_pe_asm_file_end): Emit directive for exported variables.
21668 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21670 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21671 (ASM_DECLARE_OBJECT_NAME): Likewise.
21672 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21673 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21675 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21677 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21679 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21682 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21684 * config/openbsd.h: Define SET_ASM_OP.
21685 * tm.texi: cross-reference SET_ASM_OP in the index.
21687 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21689 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21690 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21691 and class_narrowest_mode at compile time. Kill init_rtl.
21692 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21693 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21694 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21696 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21698 * rtl.h: Declare rtx_length and rtx_format as const.
21699 * machmode.def: Define CC(). Use CC() to define CCmode. If
21700 EXTRA_CC_MODES is defined, expand it here.
21701 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21702 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21703 const. Kill all references to EXTRA_CC_MODES.
21705 * toplev.c: Don't prototype or call init_rtl.
21706 * optabs.c: Don't call init_mov_optab.
21707 * genemit.c: Don't generate init_mov_optab. Don't call
21709 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21711 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21712 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21713 genrecog.c: Don't call init_rtl.
21715 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21716 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21717 definition of EXTRA_CC_MODES.
21719 * md.texi: Kill ref to EXTRA_CC_NAMES.
21720 * tm.texi: Document new way to define EXTRA_CC_MODES.
21722 * genrecog.c: Do not look up the name of a define_split.
21723 (Unrelated bugfix.)
21725 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21727 * config/v850/v850.md: Fix typo introduced by previous delta.
21729 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21731 * gcc.c (fatal): Make definition static to match prototype.
21733 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21735 * combine.c (get_last_value): Don't look for earlier sets if the last
21736 known set is somewhere in between the insns being combined.
21738 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21740 * configure.in: Don't use shell ! to negate exit codes
21741 * configure: Regenerate
21743 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21745 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21746 the fact that ALIGN is measured in bits, not bytes.
21748 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21750 * errors.c: New file; defines functions error, warning, and
21751 fatal, variables have_error and progname.
21752 * errors.h: New file; prototypes and decls for stuff in errors.c.
21754 * Makefile: Add rules to build errors.o and
21755 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21756 genopinit, genrecog, genextract, genpeep, genattr, and
21757 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21758 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21759 genpeep.o, genattr.o, and genoutput.o.
21761 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21762 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21763 define or prototype fatal. Set progname at beginning of main.
21764 * genoutput.c: Likewise, and don't define or prototype error
21767 * c-typeck.c (c_expand_start_case): Return immediately if exp
21769 * fold-const.c (operand_equal_p): Return immediately if arg1
21770 or arg0 are ERROR_MARKs.
21771 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21772 fields of type ERROR_MARK when calculating if the record can
21775 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21776 with much help from Jeffrey A Law and Richard Henderson
21778 * i386.md: In the 6 insns which call output_fix_trunc,
21779 earlyclobber operands[0].
21781 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21783 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21784 creating new registers.
21786 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21788 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21789 i386_reg_alloc_order, i386_regparm_string,
21790 i386_align_loops_string, i386_align_jumps_string,
21791 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21792 and i386_branch_cost_string as type "const char *".
21793 * i386.c: Define all above strings as type "const char *".
21795 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21797 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21798 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21800 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21802 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21803 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21805 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21807 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21808 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21809 (dwarf2out_line, dwarf2out_finish): Likewise.
21810 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21812 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21814 * tree.c (lang_unsave_expr_now) : Correct return type.
21815 * tree.h (lang_unsave_expr_now) : Same.
21817 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21819 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21820 instead of duplicating code.
21822 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21824 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21826 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21828 * tree.h: fancy_abort always takes three args.
21829 * resource.c: Move include of system.h before toplev.h.
21831 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21833 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21836 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21838 * system.h: Don't redefine abort or trim_filename.
21839 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21840 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21841 whether or not __FUNCTION__ is available.
21842 * tree.h: Duplicate rtl.h's definition of abort, for files
21843 that don't include rtl.h. Delete all code to perform type
21844 checking with a compiler other than GCC.
21845 * varray.h: Delete all code to perform type checking with a
21846 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21847 its arguments exactly once, using a statement expression.
21848 Adjust the VARRAY_<type> accessor macros to match.
21849 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21850 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21851 caller's location. Define fatal_insn and fatal_insn_not_found
21852 as macros that use _fatal_insn and _fatal_insn_not_found.
21853 (fancy_abort, trim_filename): Kill prototypes.
21855 * rtl.c (trim_filename): Move here from toplev.c.
21856 (fancy_abort): New function.
21857 (DIR_SEPARATOR): Provide default definition.
21858 * tree.c (tree_check_failed, tree_class_check_failed): Go
21859 through fancy_abort.
21860 (tree_check, tree_class_check, cst_or_constructor_check,
21861 expr_check): Delete.
21862 * varray.c (varray_check_failed): New function.
21863 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21864 _fatal_insn and _fatal_insn_not_found. Go through
21866 (trim_filename, fancy_abort): Delete.
21868 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21869 * except.c (start_catch_handler): Report ICE with error/abort
21871 * final.c (output_operand_lossage): Likewise.
21872 * flow.c (verify_flow_info): Likewise.
21874 * gcc.c: Prototype fatal.
21875 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21876 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21877 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21878 Don't define fancy_abort.
21880 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21882 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21885 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21887 * m88k.h (VERSION_INFO2): Kill.
21888 (VERSION_STRING): Kill.
21890 (VERSION_INFO1): Tidy.
21891 (TARGET_VERSION): Update.
21892 * m88k/dgux.h (VERSION_INFO2): Kill.
21893 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21894 * m88k/luna.h (VERSION_INFO1): Tidy.
21895 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21896 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21897 (output_file_start): Adjust for death of VERSION_STRING.
21899 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21901 * cpplib.c (detect_if_not_defined): New function.
21902 (do_if): Use it to detect potential once-only headers.
21904 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21906 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21908 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21910 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21911 anywere in the function only if they are pseudos and set before
21912 being used (not live at the start of the function).
21913 (num_sign_bit_copies) : Same.
21914 (get_last_value_validate) : Same.
21915 (get_last_value) : Same.
21917 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21919 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21920 where N and M are constant and N is an integer multiple of M.
21922 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21924 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21925 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21926 sbitmap_union_of_preds): Add prototypes.
21927 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21928 the intersection of successors with the new flow graph structures.
21929 (sbitmap_intersection_of_preds): New function to compute the
21930 intersection of predecessors with the new flow graph structures.
21931 (sbitmap_union_of_succs): New function to compute the union of
21932 successors with the new flow graph structures.
21933 (sbitmap_union_of_preds): New function to compute the union of
21934 predecessors with the new flow graph structures.
21935 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21936 (expr_reaches_here_p): Use edge and basic_block structures instead
21937 of s_preds and s_succs.
21938 (compute_cprop_avinout): Use new sbitmap routines.
21939 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21940 of s_preds and s_succs.
21941 * flow.c (compute_flow_dominators): Compute dominators using
21942 edges and basic blocks instead of s_preds and s_succs.
21944 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21946 * lists.c (unused_insn_list, unused_expr_list): New file for
21947 maintaining various types of lists. New statics for maintaining a
21948 cache of available INSN_LIST and EXPR_LIST nodes.
21949 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21950 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21951 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21952 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21953 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21954 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21955 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21956 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21957 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21958 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21959 (remove_dependence, free_pending_lists): Use new global routines.
21960 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21961 (sched_analyze, compute_block_backward_dependences): Use new routines.
21962 (sched_analyze_1, sched_analyze_2): Use new routines.
21963 (schedule_insns): Use new global routines.
21964 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21966 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21967 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21969 * toplev.c (rest_of_compilation): Initialize node cache.
21970 * Makefile.in (OBJS): Add lists.o to list of object files.
21971 (lists.o): Add dependancies.
21973 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21975 * config/v850/v850.md: Fix compile time warning messages.
21976 * config/v850/v850.c: Fix compile time warning messages.
21977 * config/v850/v850.h: Fix compile time warning messages.
21979 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21981 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21982 Remove unused prototype for `init_lengths'.
21984 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21986 * calls.c (emit_call_1): Mark parameter `stack_size' with
21988 (expand_call): Initialize variable `insn'.
21989 (emit_library_call): Likewise for variable `high_to_save'.
21990 (emit_library_call_value): Likewise.
21991 (store_one_arg): Likewise for variables `lower_bound' and
21994 * combine.c (try_combine): Likewise for variables `i2_code_number'
21995 and `other_code_number'.
21996 (find_split_point): Likewise for variables `pos', `unsignedp' and
21998 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21999 (simplify_and_const_int): Remove unused variable `width'.
22000 (merge_outer_ops): Likewise.
22002 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22003 HOST_WIDE_INT' when comparing against one.
22004 (simplify_relational_operation): Likewise.
22005 (cse_insn): Initialize variables `src_eqv_volatile',
22006 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22008 * final.c (init_final): Constify parameter `filename'.
22009 (final_start_function): Mark parameter `optimize' with
22011 (profile_function): Likewise for parameters `first' and `optimize'.
22012 (output_source_line): Likewise for parameter `file'.
22014 * integrate.c (subst_constants): Cast a value to `size_t' when
22015 comparing against one.
22016 (mark_stores): Initialize variable `mode'. Cast a value to
22017 `size_t' when comparing against one.
22019 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22021 * loop.c (move_movables): Initialize variable `first'.
22022 (strength_reduce): Likewise for variable `increment'.
22023 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22024 value to `size_t' when comparing against one.
22025 (load_mems): Initialize variable `end_label'.
22027 * output.h (init_final): Constify parameter.
22029 * reload.c (decompose): Initialize variable `base'.
22031 * reload1.c (reload): Likewise for variable `is_scalar'.
22032 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22033 (choose_reload_regs): Initialize variable `mode'.
22034 (emit_reload_insns): Likewise for variable `store_insn'.
22035 (reload_cse_noop_set_p): Mark parameter `insn' with
22037 (reload_combine): Initialize variable `set'.
22039 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22040 (copy_loop_body): Cast a value to `size_t' when comparing against
22043 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22044 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22045 (remove_from_pending_weak_list): Mark parameter `name' with
22048 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22050 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22053 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22055 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22056 (ASM_DECLARE_FUNCTION_NAME): Define.
22057 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22058 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22059 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22060 not already defined.
22062 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22064 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22065 of n_popped when call/call_value are not defined.
22067 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22069 * tm.texi: GNU CC -> GCC conversion.
22070 (CC1_SPEC): Indicate it is used for all language front ends.
22072 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22074 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22075 NOTE_INSN_EH_REGION_END correctly.
22077 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22078 Jeff Law <law@cygnus.com>
22080 * loop.c (strength_reduce): Automatically unroll loops if the
22081 unrolled loop size is smaller than the rolled loop size.
22083 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22084 and delete comment that code should be rewritten.
22086 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22088 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22091 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22093 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22095 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22096 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22097 (LINK_SPEC): Add -u _main when building executables.
22098 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22099 (ASM_FILE_END): Use the default for ix86-pe.
22100 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22102 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22104 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22105 and ASM_CLOSE_PAREN are empty strings.
22107 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22108 Geoffrey Keating <geoffk@cygnus.com>
22110 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22111 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22112 (unprotoize.o): Ditto.
22113 (test-protoize-simple): Don't define STD_PROTO_DIR.
22114 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22115 changes to make 'test-protoize-simple' pass.
22116 (STD_PROTO_DIR): Remove define.
22117 (STANDARD_EXEC_PREFIX): Supply default define.
22118 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22119 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22120 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22121 (GET_ENV_PATH_LIST): New macro.
22122 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22123 (do_processing): Initialize default_syscalls_dir using new
22124 macros. Use it to initialize syscalls_absolute_filename.
22126 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22128 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22129 B into a register before emit_conditional_move.
22131 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22133 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22134 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22135 multiplicand out of (+ (* a b) (* c d)).
22137 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22138 Richard Henderson <rth@cygnus.com>
22140 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22141 (new_insn_dead_notes): Likewise.
22142 (update_n_sets): Likewise.
22143 (update_flow_info): Move to flow.c, renamed to update_life_info;
22144 extend to handle multiple source insns.
22145 * flow.c: Include resource.h
22146 (unlink_insn_chain): New.
22147 (split_hard_reg_notes): New.
22148 (maybe_add_dead_note): New.
22149 (maybe_add_dead_note_use): New.
22150 (find_insn_with_note): New.
22151 (new_insn_dead_notes): New.
22152 (update_n_sets): New.
22153 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22154 (maybe_remove_dead_notes): New.
22155 (update_life_info): New.
22156 (prepend_reg_notes): New.
22157 (replace_insns): New.
22158 * output.h (update_life_info): Declare.
22159 * recog.c (split_block_insns): Use update_life_info.
22160 * resource.c (find_free_register): Use reg_alloc_order, don't use
22161 fixed regs, make sure the mode is supported, don't use new regs.
22163 * rtl.h (replace_insns): Declare.
22165 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22167 * expr.c (expand_expr): Cope with COND_EXPRs with one
22168 non-returning branch.
22170 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22172 * expr.c (store_expr): Always pass down the target, even when not
22175 1999-08-24 Nick Clifton <nickc@cygnus.com>
22177 * configure.in: Define target_cpu_default for v850 targets.
22178 * configure: Regenerate
22180 * config/v850/v850.h (TARGET_CPU_generic): Define.
22181 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22182 addresses are 4 byte aligned.
22184 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22187 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22189 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22190 (main): Add prototypes.
22192 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22193 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22194 (write_attr_get): Emit prototypes along with function definition.
22195 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22196 (write_complex_function): Emit static prototype along with
22197 function definition.
22199 * genemit.c (gen_split): Emit prototypes along with function
22202 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22203 Likewise for predicates and `insn_operand_predicate'.
22204 (process_template): Emit static prototype along with function
22207 * genrecog.c (make_insn_sequence): Constify a char*. Add
22208 prototypes for get_split_*().
22209 (write_subroutine): Emit prototypes along with function
22212 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22214 * gcse.c (find_avail_set): Follow chains of register-register copies.
22215 Use oprs_not_set_p to guarantee that the returned value can be
22217 (cprop_insn): Don't verify the return value of find_avail_set with
22220 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22221 (cprop_cc0_jump): New function.
22222 (cprop_insn): Break out new function cprop_jump and use it.
22223 Also use cprop_cc0_jump for machines with CC0.
22224 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22226 * tree.h (current_function_calls_setjmp,
22227 current_function_calls_longjmp): Delete declarations.
22228 * dsp16xx.c: Include "function.h".
22229 * elxsi.c: Likewise.
22230 * gmicro.c: Likewise.
22231 * h8300.c: Likewise.
22232 * i370.c: Likewise.
22233 * m32r.c: Likewise.
22234 * mn10200.c: Likewise.
22235 * mn10300.c: Likewise.
22236 * ns32k.c: Likewise.
22237 * spur.c: Likewise.
22238 * v850.c: Likewise.
22240 * rtl.h (rtx_equal_function_value_matters): Declare.
22241 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22243 * function.c: Likewise.
22244 * emit-rtl.c: Likewise.
22246 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22248 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22251 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22253 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22256 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22258 * cpp.texi: Add a node documenting macro varargs (copied
22261 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22263 * cppspec.c: Put a null pointer at the end of the new argv.
22265 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22267 * configure.in: Remove code to select/de-select the haifa
22268 scheduler. Every scheduled port gets haifa now.
22269 * configure: Rebuilt.
22270 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22272 * Makefile.in: Corresponding changes.
22274 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22276 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22277 All callers changed.
22278 (prepare_float_lib_cmp): Likewise.
22279 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22280 * expr.h (emit_float_lib_cmp): Delete declaration.
22281 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22282 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22283 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22285 (cmptf): Now conditional on TARGET_HARD_QUAD.
22287 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22289 * resource.c (mark_target_live_regs): Use
22290 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22292 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22294 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22296 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22298 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22300 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22302 * rtl.h (rtx_format): Constify a char*.
22304 * rtl.c (rtx_format): Likewise.
22305 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22306 (init_rtl): Use accessor macro, not `rtx_format'.
22308 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22311 * caller-save.c (mark_referenced_regs): Likewise.
22313 * combine.c (subst, make_compound_operation, known_cond,
22314 gen_rtx_combine, update_table_tick, get_last_value_validate,
22315 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22317 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22318 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22319 count_reg_usage): Likewise.
22321 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22324 * final.c (leaf_renumber_regs_insn): Likewise.
22326 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22327 dump_edge_info, count_reg_references): Likewise.
22329 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22330 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22333 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22334 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22335 add_label_notes): Likewise.
22337 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22338 clear_struct_flag, count_sub_rtxs, count_alternatives,
22339 compares_alternatives_p, contained_in_p, walk_attr_value,
22340 write_expr_attr_cache): Likewise.
22342 * genconfig.c (walk_insn_part): Likewise.
22344 * genemit.c (max_operand_1, gen_exp): Likewise.
22346 * genextract.c (walk_rtx): Likewise.
22348 * genflags.c (num_operands): Likewise.
22350 * genoutput.c (scan_operands): Likewise.
22352 * genpeep.c (match_rtx): Likewise.
22354 * genrecog.c (add_to_sequence): Likewise.
22356 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22359 * integrate.c (save_constants, copy_for_inline,
22360 copy_rtx_and_substitute, subst_constants, restore_constants):
22363 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22364 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22366 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22369 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22370 add_label_notes, replace_call_address, count_nonfixed_reads,
22371 invariant_p, find_single_use_in_loop, find_mem_givs,
22372 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22375 * print-rtl.c (reg_names, print_rtx): Likewise.
22377 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22379 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22380 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22381 print_blocks): Likewise.
22383 * regclass.c (fix_register, record_address_regs,
22384 reg_scan_mark_refs): Likewise.
22386 * regmove.c (stable_but_for_p): Likewise.
22388 * reload.c (loc_mentioned_in_p, operands_match_p,
22389 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22390 copy_replacements, refers_to_regno_for_reload_p,
22391 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22392 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22395 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22396 delete_address_reloads_1, count_occurrences,
22397 reload_cse_mem_conflict_p, reload_combine_note_use,
22398 add_auto_inc_notes): Likewise.
22400 * resource.c (mark_referenced_resources, mark_set_resources):
22403 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22404 reg_mentioned_p, regs_set_between_p, modified_between_p,
22405 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22406 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22407 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22408 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22410 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22412 * stupid.c (stupid_mark_refs): Likewise.
22414 * unroll.c (remap_split_bivs): Likewise.
22416 * varasm.c (mark_constants): Likewise.
22418 * a29k/a29k.c (uses_local_reg_p): Likewise.
22420 * alpha/alpha.c (summarize_insn): Likewise.
22422 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22423 eliminate_lr2ip): Likewise.
22425 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22427 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22428 reg_mentioned_in_mem): Likewise.
22430 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22431 symbolic_reference_mentioned_p): Likewise.
22433 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22435 * sh/sh.c (regs_used, mark_use): Likewise.
22437 * vax/vax.c (vax_rtx_cost): Likewise.
22439 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22441 * machmode.h (mode_name): Constify a char*.
22443 * rtl.c (mode_name): Likewise.
22445 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22447 * optabs.c (init_libfuncs): Constify a char*.
22449 * print-tree.c (mode_name): Remove redundant declaration.
22450 (print_node): Use accessor macro, not `mode_name'.
22452 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22454 (new_spill_reg): Constify a char*.
22456 * tree.c (mode_name): Remove redundant declaration.
22458 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22460 * rtl.c (rtx_name): Constify a char*.
22462 * rtl.h (rtx_name, fix_sched_param): Likewise.
22464 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22465 (mypr): Use accessor macro, not `rtx_name'.
22467 * genemit.c (print_code): Constify a char*.
22469 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22471 * genpeep.c (print_code): Constify a char*.
22473 * genrecog.c (print_code): Likewise.
22475 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22476 end_bb): Add static prototype.
22477 (draw_edge): Constify a char*.
22478 (end_bb): Remove unused parameter.
22480 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22481 print_block_visualization): Constify a char*.
22483 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22485 * c-common.c (c_get_alias_set): Update comment.
22487 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22489 * linux.h (LIB_SPEC): Added.
22491 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22493 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22495 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22497 * tree.c (expr_check): Fix typo in last change.
22499 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22501 * rtl.def (NOTE): Change format to "iuu0n".
22502 (ADDR_DIFF_VEC): Change format to "eEee0".
22503 (ADDRESSOF): Change format to "eit".
22505 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22506 (RTVEC_ELT): Change to match.
22507 (XVECEXP): Use XVEC and RTVEC_ELT.
22508 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22509 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22510 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22511 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22512 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22513 (INTVAL): Use XWINT.
22514 (ADDRESSOF_DECL): Use XTREE.
22515 (SET_ADDRESSOF_DECL): Delete.
22516 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22517 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22518 ifdefed out since 2.6 at least.
22519 (gen_rtvec_vv): Delete prototype.
22521 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22523 (copy_most_rtx): Handle 't' format letter.
22524 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22525 (gen_rtvec_vv): Delete function. All callers changed to use
22526 gen_rtvec_v instead.
22527 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22528 the '0' format letter.
22530 * function.c (gen_mem_addressof): Don't use
22531 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22533 * integrate.c (copy_rtx_and_substitute): Likewise.
22534 Copy 't' slots with XTREE.
22535 (subst_constants): Treat 't' slots like '[swi]' slots.
22536 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22537 * jump.c (rtx_equal_for_thread_p): Likewise.
22538 * rtlanal.c (rtx_equal_p): Likewise.
22539 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22540 only four arguments.
22541 * gengenrtl.c (type_from_format): Provide correct types for
22545 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22546 If a recent gcc is in use (always in stage2 and beyond), use
22547 statement expressions, so we don't make a function call unless
22548 the check fails. Evaluate arguments exactly once.
22549 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22550 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22552 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22553 they evaluate their arguments exactly once, irrespective of
22554 the compiler in use.
22556 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22557 is used by the currently-enabled check macros. This is:
22558 (tree_check_failed, tree_class_check_failed): For gcc.
22559 (tree_check, tree_class_check, cst_or_constructor_check,
22560 expr_check): For other compilers.
22562 * gencheck.c: Do not define any *_CHECK1 macros.
22564 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22565 Mark Mitchell <mark@codesourcery.com>
22567 * c-common.c (c_get_alias_set): Fix support for poitners and
22570 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22572 * alias.c: Include tree.h.
22573 (nonlocal_reference_p, mark_constant_function): New functions.
22574 * flow.c (life_analysis): Call mark_constant_function.
22575 * rtl.h (mark_constant_function): Declare it.
22577 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22579 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22580 unrecognisable switches.
22582 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22584 * loop.c (recombine_givs): Set ix field after sorting.
22585 (recombine_givs): Remove bogus index / giv lockstep looping.
22587 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22589 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22591 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22592 (do_cmp_and_jump): Formatting fixes.
22593 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22594 do_compare_rtx_and_jump instead of compare_from_rtx.
22595 (do_compare_rtx_and_jump): New function; mostly copied from
22597 (do_jump_for_compare): Delete.
22598 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22600 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22601 of compare/do_jump_for_compare pairs.
22602 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22603 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22604 compare_from_rtx/do_jump_for_compare pairs.
22605 (do_jump_by_parts_equality): Likewise.
22606 (do_jump_by_parts_equality_rtx): Likewise.
22607 * expr.h (do_compare_rtx_and_jump): Declare.
22608 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22609 that used to be in emit_cmp_insn.
22610 (cmp_available_p): New function.
22611 (prepare_operand): New function.
22612 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22613 to be in emit_cmp_insn.
22614 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22615 parameters to be pointers; don't emit final compare but modify some of
22616 the values pointed to by the args so the caller can perform the
22617 correct comparison.
22618 (expand_binop): Call emit_store_flag_force with signed forms of
22620 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22621 emit_jump_insn pair.
22622 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22623 emit_cmp_and_jump_insn_1. Call emit_queue.
22624 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22626 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22627 jump sets cc0 before deleting it.
22628 * integrate.c (expand_inline_function): Likewise.
22629 * unroll.c (unroll_loop): Similar changes in several places.
22630 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22631 before deleting it.
22633 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22635 * Makefile.in (insn-recog.o): Update dependencies.
22636 * genrecog.c (main): Make generated file include "function.h".
22638 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22640 * cse.c (cse_insn): Call never_reached_warning when a jump is
22641 changed to be unconditional.
22642 * flags.h: Declare warn_notreached.
22643 * flow.c (delete_block): Call never_reached_warning when
22644 a block is deleted.
22645 * jump.c (delete_barrier_successors): Call never_reached_warning
22646 when we delete everything after a BARRIER.
22647 (never_reached_warning): New function.
22648 * rtl.h: Declare never_reached_warning.
22649 * toplev.c (warn_notreached): New variable.
22650 (lang_independent_options): Set warn_notreached
22651 when -Wunreachable-code.
22652 (compile_file): We need line numbers for -Wunreachable-code.
22654 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22656 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22657 * sched.c (insn_unit): Likewise.
22659 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22661 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22663 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22665 * flow.c (create_edge_list): Use xmalloc, not malloc.
22667 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22669 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22670 C-style comments. Do not lose the character before double slash.
22672 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22674 * basic-block.h (struct edge_list): Stucture to maintain a vector
22676 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22677 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22678 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22679 New function prototypes.
22680 * flow.c (create_edge_list): Function to create an edge list.
22681 (free_edge_list): Discards memory used by an edge list.
22682 (print_edge_list): Debug output showing an edge list.
22683 (verify_edge_list): Internal consistency check for an edge list.
22684 (find_edge_index): Function to find an edge index for a pred and succ.
22686 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22688 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22691 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22693 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22695 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22697 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22699 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22701 * toplev.c (rest_of_compilation): Allow machine dependent
22702 reorganisation pass to place information into the RTL dump
22703 file if it so wishes.
22705 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22707 * explow.c (hard_function_value): Use VOIDmode instead of
22709 * stmt.c (expand_return): Likewise.
22710 * stor-layout.c (get_best_mode): Likewise.
22712 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22713 emit call instead of emit_insn call.
22715 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22717 * configure.in: Handle --disable/enable-win32-registry.
22718 * install.texi: Document --disable/enable-win32-registry.
22719 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22720 (WIN32_REGISTRY_KEY): New macro.
22721 * prefix.c: Use to enable/disable win32-specific code.
22722 (lookup_key): Use versioned key.
22723 * configure: Regenerate.
22724 * config.in: Likewise.
22726 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22728 * cpplib.c (read_line_number): New fn, split out of...
22731 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22733 tree.c (lang_unsave_expr_now) : New.
22734 (unsave_expr_now): Call lang_unsave_expr_now.
22735 tree.h (lang_unsave_expr_now) : New.
22737 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22739 * toplev.c (flag_new_exceptions): On by default.
22741 1999-08-13 Michael Meissner <meissner@cygnus.com>
22743 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22745 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22747 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22748 INTEGER_TYPE with precision==1, it's __java_boolean.
22750 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22752 * global.c (prune_preferences): Move some invariants out of the
22755 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22757 * configure.in (alpha*-dec-osf*): Add osf5.
22759 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22761 * configure.in: Rework handling of ARM GNU/Linux slightly.
22762 (arm*-*-linux-gnuoldld): New target.
22763 * configure: Regenerate.
22764 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22765 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22766 * config/arm/linux-oldld.h: New file.
22767 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22768 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22770 * config/arm/linux-elf.h (ASM_SPEC): Define.
22771 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22772 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22773 for 26-bit APCS and old linker.
22774 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22776 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22777 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22778 don't define `arm' or `arm_elf'.
22779 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22780 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22782 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22784 * rtl.texi: Fix typo.
22786 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22788 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22790 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22792 * extend.texi (C++ Signatures): Remove node.
22793 * invoke.texi: Remove discussion of -fhandle-signatures,
22794 signature, sigof, __signature__, and __sigof__.
22796 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22798 * Makefile.in (JAVAGC): Removed.
22800 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22802 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22804 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22806 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22808 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22810 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22811 a register that is already known to be a pointer.
22813 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22815 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22816 * fixinc/inclhack.sh: Regenerated.
22817 * fixinc/fixincl.sh: Regenerated.
22819 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22821 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22822 Fix documentation of -ansi flag to describe its C++ behavior.
22823 Remove bogus reference to GCC 2.9.
22825 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22827 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22828 note if it is non-NULL.
22830 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22832 * except.h (eh_nesting_info): Add new structure defintion.
22833 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22834 (reachable_handlers, update_rethrow_references): Add function
22836 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22837 a rethrow symbol instead of an integer exception region number.
22838 * flow.c (Make_edges): Use new exception nesting routines to determine
22839 which handlers are reachable from a CALL or asynchronous insn.
22840 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22842 (delete_eh_regions): Update rethrow labels, and don't delete
22843 regions which are the target of a rethrow.
22844 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22845 avoid overloading the SYMBOL_REF_USED flag.
22846 (rethrow_symbol_map): Use new rethrow_ref field.
22847 (rethrow_used): Use new rethrow_ref field.
22848 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22849 of an integer. Fix formatting.
22850 (output_exception_table_entry): Use new rethrow_ref field.
22851 (can_throw): Check for EH_REGION_NOTE before deciding
22852 whether a CALL can throw or not.
22853 (scan_region): Call rethrow_used() instead of accessing data structure.
22854 (update_rethrow_references): New function to make sure only regions
22855 which are still targets of a rethrow are flagged as such.
22856 (process_nestinfo): New static function to initialize a handler
22857 list for a specific region.
22858 (init_eh_nesting_info): New function to allocate and initialize
22859 the list of all EH handlers reachable from all regions.
22860 (reachable_handlers): New function to retrieve the list of handlers
22861 reachable from a specific region and insn.
22862 (free_eh_nesting_info): New function to dispose of a list of
22863 reachable handlers.
22865 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22867 * flow.c (split_edge): Set JUMP_LABEL field.
22868 (commit_one_edge_insertion): Set head correctly for insert_before.
22869 When inserting insns, update insn block numbers if allocated.
22871 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22873 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22874 retry_incomplete_types): Add static prototype.
22875 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22876 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22877 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22878 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22879 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22882 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22883 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22885 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22887 * output.h (assemble_name): Constify a char*.
22889 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22890 assemble_variable, assemble_name): Likewise.
22892 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22894 * arm/pe.c (arm_pe_unique_section): Likewise.
22896 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22898 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22900 * i386/interix.c (i386_pe_unique_section): Likewise.
22902 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22904 * i386/winnt.c (i386_pe_unique_section): Likewise.
22906 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22908 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22910 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22912 * pa/pa.c (output_call): Likewise.
22914 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22916 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22918 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22921 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22924 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22926 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22927 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22929 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22931 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22933 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22935 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22937 * tree.h (lang_identify): Constify a char*.
22938 (print_error_function): Add extern prototype. Constify a char*.
22940 * c-lang.c (lang_identify): Constify a char*.
22942 * objc/objc-act.c (lang_identify): Constify a char*.
22944 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22946 * genpeep.c (main): Make generated file include "function.h".
22947 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22949 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22951 * Makefile.in: Update dependencies.
22952 * alias.c: Include "function.h"
22953 * c-decl.c: Likewise.
22954 * caller-save.c: Likewise.
22955 * calls.c: Likewise.
22956 * combine.c: Likewise.
22958 * explow.c: Likewise.
22959 * final.c: Likewise.
22960 * global.c: Likewise.
22961 * graph.c: Likewise.
22962 * local-alloc.c: Likewise.
22963 * loop.c: Likewise.
22964 * optabs.c: Likewise.
22965 * profile.c: Likewise.
22966 * recog.c: Likewise.
22967 * regclass.c: Likewise.
22968 * regmove.c: Likewise.
22969 * reload.c: Likewise.
22970 * reorg.c: Likewise.
22971 * resource.c: Likewise.
22972 * sched.c: Likewise.
22973 * stupid.c: Likewise.
22974 * config/1750a/1750a.c: Likewise.
22975 * config/a29k/a29k.c: Likewise.
22976 * config/arc/arc.c: Likewise.
22977 * config/arm/arm.c: Likewise.
22978 * config/arm/thumb.c: Likewise.
22979 * config/c4x/c4x.c: Likewise.
22980 * config/clipper/clipper.c: Likewise.
22981 * config/convex/convex.c: Likewise.
22982 * config/fx80/fx80.c: Likewise.
22983 * config/i860/i860.c: Likewise.
22984 * config/m68k/m68k.c: Likewise.
22985 * config/m88k/m88k.c: Likewise.
22986 * config/mips/mips.c: Likewise.
22987 * config/pdp11/pdp11.c: Likewise.
22988 * config/pyr/pyr.c: Likewise.
22989 * config/romp/romp.c: Likewise.
22990 * config/sh/sh.c: Likewise.
22991 * config/tahoe/tahoe.c: Likewise.
22992 * config/vax/vax.c: Likewise.
22993 * config/we32k/we32k.c: Likewise.
22994 * config/sparc/sparc.c: Include "function.h".
22995 (mem_min_alignment): Test current_function rather than
22996 regno_pointer_align.
22997 * config/pa/pa.c: Likewise.
22998 (compute_frame_size): Delete declaration of
22999 current_function_outgoing_args_size.
23000 * config/arc/arc.h (current_function_varargs): Delete declaration.
23001 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23003 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23005 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23006 current_function_uses_pic_offset_table.
23007 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23008 of current_function_returns_pointer.
23009 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23010 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23011 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23012 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23013 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23014 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23015 * config/m88k/m88k.c: Include "function.h"
23016 (call_used_regs, current_function_pretend_args_size,
23017 current_function_outgoing_args_size, frame_pointer_needed): Delete
23019 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23021 * config/mips/mips.h (current_function_calls_alloca): Delete
23023 * config/mn10200/mn10200.h (current_function_needs_context,
23024 rtx_equal_function_value_matters): Delete declarations.
23025 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23026 flag_pic): Delete declarations.
23027 * config/pa/pa.h (current_function_pretend_args_size,
23028 current_function_decl): Delete declarations.
23029 * config/pa/som.h (current_function_varargs): Delete declaration.
23030 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23032 * config/pyr/pyr.h (current_function_pretend_args_size,
23033 current_function_args_size, current_function_calls_alloca): Delete
23035 * config/sh/sh.h (current_function_varargs): Delete declaration.
23036 * config/sparc/sparc.h (current_function_outgoing_args_size,
23037 current_function_calls_alloca, current_function_decl): Delete
23039 * config/spur/spur.h (current_function_pretend_args_size,
23040 current_function_calls_alloca): Delete declarations.
23041 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23043 * config/vax/vms.h (current_function_name): Delete declaration.
23044 * gcse.c: Include "function.h".
23045 (current_function_name, current_function_calls_setjmp): Delete
23047 * haifa-sched.c: Include "function.h".
23048 (forced_labels): Delete declaration.
23049 * jump.c: Likewise.
23050 * reg-stack.c: Likewise.
23051 * reload1.c: Likewise.
23052 * genemit.c (main): Make generated file include function.h.
23053 * genoutput.c (output_prologue): Likewise.
23055 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23056 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23057 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23058 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23059 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23060 macros for some of them.
23061 (emit_filename, emit_lineno): Delete declarations.
23062 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23063 regno_pointer_* variables through current_function.
23064 (gen_inline_header_rtx): Delete function.
23065 (save_emit_status): Delete function.
23066 (set_new_last_label_num): New function.
23067 (clear_emit_caches): New function.
23068 (restore_emit_status): Just clear last_labelnum and call
23070 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23071 through macro seq_stack.
23072 (add_insn_after): Likewise.
23073 (add_insn_before): Likewise.
23074 (remove_insn): Likewise.
23075 (pop_topmost_sequence): Likewise.
23076 (in_sequence_p): Likewise.
23077 (start_sequence_for_rtl_expr): Likewise.
23078 (start_sequence): Likewise, and likewise for
23079 sequence_rtl_expr/seq_rtl_expr.
23080 (push_topmost_sequence): Likewise.
23081 (end_sequence): Likewise.
23082 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23083 All callers changed. Store into that pointer instead of globals.
23084 (init_emit): Allocate emit elt of current_function.
23085 Changes for sequence_rtl_expr/sequence_stack renaming.
23086 Call clear_emit_caches instead of doing it in-line.
23087 Access regno_pointer_* variables through current_function.
23088 (init_emit_once) Don't clear sequence_stack.
23090 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23092 (arg_pointer_save_area): Delete declaration.
23093 (finish_expr_for_function): Renamed from init_queue; no longer static.
23094 (init_expr): Don't call init_queue.
23095 (save_expr_status, restore_expr_status): Delete functions.
23096 (expand_expr): Changes to reflect new layout of struct function.
23097 Don't access current_function_check_memory_usage when current_function
23099 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23100 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23101 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23102 current_function_uses_const_pool, function_call_count,
23103 current_function_uses_pic_offset_table, nonlocal_labels,
23104 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23105 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23106 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23108 (finish_expr_for_function): Declare.
23109 * flags.h (current_function_has_nonlocal_label,
23110 current_function_has_nonlocal_goto, current_function_is_thunk,
23111 current_function_has_computed_jump): Delete declarations.
23112 * flow.c (forced_labels): Delete declaration.
23113 * function.c (current_function_pops_args,
23114 current_function_returns_struct, current_function_returns_pcc_struct,
23115 current_function_needs_context, current_function_calls_setjmp,
23116 current_function_calls_longjmp, current_function_has_nonlocal_label,
23117 current_function_has_nonlocal_goto, current_function_is_thunk,
23118 current_function_has_computed_jump, current_function_calls_alloca,
23119 current_function_contains_functions, current_function_returns_pointer,
23120 current_function_epilogue_delay_list, current_function_args_size,
23121 current_function_pretend_args_size, current_function_arg_offset_rtx,
23122 current_function_outgoing_args_size, current_function_varargs,
23123 current_function_stdarg, current_function_args_info, cleanup_label,
23124 current_function_name, current_function_uses_const_pool,
23125 current_function_instrument_entry_exit, current_function_return_rtx,
23126 current_function_uses_pic_offset_table, nonlocal_labels,
23127 current_function_internal_arg_pointer, current_function_cannot_inline,
23128 current_function_check_memory_usage, function_call_count,
23129 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23130 nonlocal_goto_stack_level, return_label, save_expr_regs,
23131 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23132 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23133 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23134 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23135 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23137 (push_function_context_to): Don't save them. Don't call
23138 save_storage_status, save_emit_status or save_expr_status.
23139 (pop_function_context_from): Don't restore them. Don't call
23140 restore_storage_status or restore_expr_status.
23141 (get_func_frame_size): New function.
23142 (get_frame_size): Use it.
23143 (assign_outer_stack_local): Reflect some member name changes in struct
23145 (put_reg_into_stack): Likewise.
23146 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23148 (fixup_var_refs): Likewise.
23149 (fix_lexical_addr): Likewise.
23150 (trampoline_address): Likewise.
23151 (prepare_function_start): Clear field inlinable of current_function.
23152 (init_function_for_compilation): New function.
23153 (expand_dummy_function_end): New function.
23154 (expand_function_end): Call finish_expr_for_function.
23155 * function.h (struct emit_status): New; fields moved here from struct
23156 function and from global variables. Add accessor macros for some of
23158 (struct expr_status): Likewise.
23159 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23160 (struct function): Add fields expr and emit, inlinable, inl_emit,
23161 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23162 inl_max_label_num. Add many comments.
23163 Add accessor macros for all elts of struct function that no longer
23164 have a global variable.
23165 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23166 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23167 stack_slot_list): Delete declarations.
23168 (get_func_frame_size): Declare.
23169 (save_expr_status, restore_expr_status, save_emit_status,
23170 save_storage_status, restore_storage_status): Delete declarations.
23171 (init_virtual_regs): Declare.
23172 * output.h (current_function_pops_args,
23173 current_function_returns_struct, current_function_returns_pcc_struct,
23174 current_function_needs_context, current_function_calls_setjmp,
23175 current_function_calls_longjmp, current_function_calls_alloca,
23176 current_function_has_nonlocal_label, current_function_varargs,
23177 current_function_has_computed_jump, current_function_returns_pointer,
23178 current_function_contains_functions, current_function_args_size,
23179 current_function_pretend_args_size, current_function_stdarg,
23180 current_function_outgoing_args_size, current_function_args_info,
23181 current_function_name, current_function_return_rtx,
23182 current_function_epilogue_delay_list,
23183 current_function_uses_const_pool, current_function_cannot_inline):
23184 Delete declarations.
23185 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23186 regno_reg_rtx): Delete declaration.
23187 (REGNO_POINTER_FLAG): Delete macro.
23188 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23189 function were renamed.
23190 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23192 * toplev.c: Include "function.h".
23193 (current_function_decl): Delete declaration.
23194 (compile_file): Call init_dummy_function_start and
23195 expand_dummy_function_end around some initializations that need to
23197 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23198 Call init_function_for_compilation.
23199 * unroll.c: Include "function.h"
23200 (unroll_loop): Access regno_pointer_* variables through
23203 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23204 (DECL_SAVED_INSNS): use it.
23205 (expand_dummy_function_end): Declare.
23206 (init_function_for_compilation): Declare.
23207 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23208 that it's no longer an INLINE_HEADER.
23209 (expand_call): Likewise.
23210 * integrate.c (finish_inline): Delete function.
23211 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23212 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23213 args. Don't generate an INLINE_HEADER rtx, just return the arg
23214 vector. All callers changed.
23215 (save_for_inline_copying): Create a duplicate struct emit_status to
23216 hold the emit state for compiling the current function. Use this and
23217 the other new fields in struct function that are for integration
23218 instead of an INLINE_HEADER.
23219 Use memcpy instead of bcopy.
23220 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23221 (save_for_inline_nocopy): Similar changes, except no new emit_status
23223 (expand_inline_function): Get information from function structure,
23224 not from an inline header rtx.
23225 (output_inline_function): Lose code to extract the necessary
23226 information from an inline header; simply put back the function
23227 structure into current_function. Clear its inlinable elt.
23228 * rtl.def (INLINE_HEADER): Delete.
23229 * rtl.h: Delete all accessors for an INLINE_HEADER.
23230 (gen_inline_header_rtx): Delete declaration.
23231 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23232 Delete declarations.
23233 (REGNO_POINTER_ALIGN): Delete.
23234 (clear_emit_caches): Declare.
23235 (set_new_last_label_num): Declare.
23237 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23239 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23241 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23242 * stmt.c (is_eh_region): Make sure current_function is present, too.
23244 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23246 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23247 for 64bit PA targets.
23249 * pa.h (SELECT_SECTION): Define.
23250 * som.h (SELECT_SECTION): Delete.
23252 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23254 * alias.c (init_alias_analysis): Wrap call to
23255 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23257 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23259 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23260 <sys/asm.h> contains an asm comment with an apostrophe
23261 * fixinc/inclhack.sh: regen
23262 * fixinc/fixincl.x: regen
23264 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23266 * function.c (init_function_start): Clear prologue & epilogue.
23267 (prologue_epilogue_contains): New function.
23268 * alias.c (init_alias_analysis): Use it.
23269 * rtl.h (prologue_epilogue_contains): Declare it.
23271 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23273 * jump.c (onlyjump_p): New function.
23274 * rtl.h: Declare it.
23275 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23276 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23278 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23280 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23281 to invert loops. Simplify block scanning.
23283 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23285 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23286 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23288 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23290 * config/sparc/liteelf.h: New file to support sparclite-elf target
23291 * config/sparc/t-sp86x: New file to support sparc86x targets
23292 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23293 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23294 * configure.in: Support above target triplets
23295 * configure: Regenerated
23297 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23299 * fixinc/server.c (server_setup): Do not prefix function used as
23300 parameter with `&'.
23302 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23304 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23305 Remove fp reg alternatives.
23307 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23309 * Makefiin (TAROUTOPTS): Kill.
23310 (install-headers-tar): Use "xpf" for tar headerfile extraction
23311 * i370/x-oe (TAROUTOPTS): Delete.
23312 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23313 * m68k/x-hp320 (TAROUTOPTS): Delete.
23314 * m68k/x-hp320g (TAROUTOPTS): Delete.
23315 * gcc.texi: Update bug reporting text.
23317 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23319 * reg-stack.c (change_stack) Fixed problem with negative array index.
23321 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23323 * extend.texi, install.texi: Fix spelling mistakes.
23325 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23326 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23327 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23328 PREMADE_ATTRTAB_MD.
23329 * mips/t-ecoff: Likewise.
23330 * mips/t-elf: Likewise.
23331 * mips/t-mips: Likewise.
23332 * mips/t-osfrose: Likewise.
23333 * mips/t-r3900: Likewise.
23334 * mips/t-svr3: Likewise.
23335 * mips/t-svr4: Likewise.
23336 * mips/t-ultrix: Likewise.
23338 * gcc.texi: Document recommend means to provide software floating
23339 point libraries in libgcc.a
23341 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23343 * c-lex.c (yylex): We can have a number with no digits.
23345 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23347 * jump.c (delete_prior_computation): New function, broken
23348 out of delete_computation. Check for side effects with
23349 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23350 multi-word hard registers.
23351 (delete_computation): Use it. Check for side effects with
23352 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23353 missing REG_DEAD note for a register which is both set and
23356 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23358 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23359 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23360 (ASM_FILE_START): Import _mcount with the right type.
23361 (ASM_DECLARE_FUNCTION_NAME): Define.
23362 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23363 * pa.c (output_function_prologue): Always emit the function's label
23365 * pa.h (TEXT_SPACE_P): Define.
23366 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23367 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23368 * som.h (TEXT_SPACE_P): Delete.
23369 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23370 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23372 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23374 * expr.c (emit_group_load): Allow src to be a CONCAT.
23376 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23378 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23379 (___mulsi3): Use '!' comment character.
23381 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23383 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23385 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23387 * gcc.c: Update URLs and mail addresses.
23388 * gcc.texi: Likewise.
23390 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23392 * rs6000.c (current_file_function_operand): Return zero for
23394 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23396 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23399 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23401 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23402 allocate space in the stack frame for the PIC register.
23404 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23406 * m68k.md (xordi3, anddi3): These patterns are not available on
23409 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23411 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23412 (PUT_REAL): Likewise.
23414 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23416 * final.c (shorten_branches): Don't add an alignment for loops
23417 that have no label inside.
23419 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23421 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23422 prototypes in macro HAVE_cmpstrsi.
23424 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23426 * emit-rtl.c (operand_subword): Remove unused variable
23429 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23431 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23433 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23435 * cpphash.c (macroexpand): Delete leading whitespace when arg
23436 is concatenated before.
23437 (unsafe_chars): Correct test for whether + and - can extend a
23440 * cppinit.c (cpp_start_read): Do dependencies for
23441 -include/-imacros files also.
23443 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23444 tokenizing non-directive lines.
23445 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23446 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23449 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23451 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23453 * c-lex.c: Sync with C++ frontend.
23454 (linemode): New variable.
23455 (parse_float): imag, conversion_errno, and type are output only.
23456 (yylex): Adjust. Move initial '.' case into main switch.
23458 (handle_generic_pragma): Just deal with tokens.
23459 (readescape): Use ISXDIGIT and ISGRAPH.
23460 * c-parse.in: Add END_OF_LINE token.
23462 * c-lex.c (lang_init): Generalize.
23463 (nextchar): Remove. Replace uses with UNGETC.
23464 (skip_white_space): Handle linemode here. Optimize for cpplib.
23465 (skip_white_space_on_line): Remove.
23466 (extend_token_buffer_to): New fn.
23467 (extend_token_buffer): Use it.
23468 (read_line_number, check_newline): Just deal with tokens.
23469 (token_getch, token_put_back): New fns.
23470 (yylex): Use them. More cpplib optimizations. Simplify.
23472 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23473 Jason Merrill <jason@yorick.cygnus.com>
23475 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23476 (consume_string): Make this smart about USE_CPPLIB.
23477 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23478 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23479 Also, clean up cases where we redundantly set token_buffer[0].
23480 (read_line_number): New fn.
23481 (ignore_escape_flag): New variable.
23483 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23485 * a29k/t-a29kbare: Fix some comments.
23486 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23487 (FPBIT, DPBIT): Define.
23488 * a29k/t-vx29k: Likewise.
23489 * arc/t-arc: Likewise.
23490 * arm/t-arm-elf: Likewise.
23491 * arm/t-bare: Likewise.
23492 * arm/t-pe: Likewise.
23493 * arm/t-pe-thumb: Likewise.
23494 * arm/t-semi: Likewise.
23495 * arm/t-thumb: Likewise.
23496 * arm/t-thumb-elf: Likewise.
23497 * arm/t-thumb-linux: Likewise.
23498 * h8300/t-h8300: Likewise.
23499 * i960/t-i960: Likewise.
23500 * i960/t-vxworks960: Likewise.
23501 * m32r/t-m32r: Likewise.
23502 * mips/t-ecoff: Likewise.
23503 * mips/t-elf: Likewise.
23504 * mips/t-r3900: Likewise.
23505 * pa/t-pro: Likewise.
23506 * rs6000/t-aix43: Likewise.
23507 * rs6000/t-beos: Likewise.
23508 * rs6000/t-newas: Likewise.
23509 * rs6000/t-ppccomm: Likewise.
23510 * rs6000/t-rs6000: Likewise.
23511 * rs6000/t-winnt: Likewise.
23512 * rs6000/t-xnewas: Likewise.
23513 * rs6000/t-xrs6000: Likewise.
23514 * sh/t-sh: Likewise.
23515 * sparc/t-elf: Likewise.
23516 * sparc/t-sparcbare: Likewise.
23517 * sparc/t-sparclite: Likewise.
23518 * sparc/t-splet: Likewise.
23519 * v850/t-v850: Likewise.
23520 * mn10200/t-mn10200: Fix comments.
23521 * mn10300/t-mn10300: Likewise.
23523 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23524 dummy operand. Allocate a new pseudo for the dummy operand.
23525 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23527 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23529 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23531 * configure: Rebuilt.
23532 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23534 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23536 * recog.c (preproces_constraints): Zero recog_op_alt before
23537 processing the constraints.
23539 * arm.c (typedef minipool_node): Renamed from pool_node.
23540 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23541 (add_minipool_constant): New function.
23542 (dump_minipool): New function.
23543 (find_barrier): Remove special case for getting the insn size of
23544 an insn that references the constant pool.
23545 (minipool_fixup): New structure.
23546 (push_minipool_barrier): New function.
23547 (push_minipool_fix): New function.
23548 (note_invalid_constants): New function.
23549 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23550 (arm_reorg): Rewrite code to fix up the constant pool into a
23551 series of mini-pools embedded in the insn stream.
23552 (arm_output_epilogue): New function, made mainly from the body
23553 of output_func_epilogue.
23554 (output_func_epilogue): Move insn generation part of epilogue code
23555 to arm_output_epilogue.
23556 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23557 * arm.md (pool_range): New attribute.
23558 (zero_extendqidi2): Add attribute pool_range.
23559 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23560 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23561 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23562 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23563 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23564 (epilogue): New expand.
23565 (epilogue_insn): New insn. Call arm_output_epilogue.
23567 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23568 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23570 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23572 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23574 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23576 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23578 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23580 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23582 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23584 * global.c: Fix comment.
23586 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23588 * gcc.c (access_check): New static function.
23589 (find_a_file): Use it when searching a directory list.
23590 * collect2.c (find_a_file): Don't accept directories found when
23591 searching a directory list.
23593 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23595 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23596 function parameters with `&'.
23597 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23599 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23601 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23602 or tidy_fallthru_edge if the last insn in the block is not
23603 an unconditional jump or a simple conditional jump.
23605 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23607 * Makefile.in (c-decl.o): Depends on defaults.h.
23609 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23611 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23613 (CLASS_MAX_NREGS): Likewise.
23615 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23617 * cse.c (cse_insn): Fix dumb thinko in last change.
23619 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23621 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23624 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23626 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23627 test for sizes of passed and declared parameter types.
23629 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23631 * fixincludes: Fix the return type of bsearch, char* -> void*.
23633 * fixinc/inclhack.def: Likewise.
23635 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23637 * invoke.texi (-fdump-translation-unit): New option.
23639 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23641 * expr.h (PROMOTE_PROTOTYPES): Move ...
23642 * defaults.h: ... to here.
23643 * c-decl.c: Include defaults.h instead of expr.h.
23644 * c-typeck.c: Include defaults.h.
23646 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23648 * toplev.h (errorcount): Declare.
23649 (warningcount): Likewise.
23650 (sorrycount): Likewise.
23651 * c-lex.c (errorcount): Don't declare.
23652 * dwarf2out.c (errorcount): Don't declare.
23654 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23656 * config/libgloss.h: Add a note discouraging use with ELF.
23657 * configure.in: Don't use libgloss.h for ELF targets.
23658 Always use_collect2 on a.out targets.
23660 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23662 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23663 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23665 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23667 * loop.c (strength_reduce): When doing biv->giv conversion, update
23668 reg note of NEXT->insn.
23670 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23672 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23674 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23676 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23677 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23678 Ensure expr.h is included.
23679 * c-typecheck.c (convert_arguments): Ditto.
23681 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23683 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23684 * config/convex/convex.h: Ditto.
23685 * config/dsp16xx/dsp16xx.h: Ditto.
23686 * config/fx80/fx80.h: Ditto.
23687 * config/gmicro/gmicro.h: Ditto.
23688 * config/i370/i370.h: Ditto.
23689 * config/i386/i386.h: Ditto.
23690 * config/m32r/m32r.h: Ditto.
23691 * config/m68k/m68k.h: Ditto.
23692 * config/m88k/m88k.h: Ditto.
23693 * config/mips/mips.h: Ditto.
23694 * config/pa/pa.h: Ditto.
23695 * config/pyr/pyr.h: Ditto.
23696 * config/tahoe/tahoe.h: Ditto.
23697 * config/we32k/we32k.h: Ditto.
23699 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23700 based on arch size.
23702 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23704 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23707 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23709 1999-08-02 Richard Henderson <rth@cygnus.com>
23711 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23712 for the register spill block.
23713 (m32r_va_arg): New.
23714 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23715 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23717 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23718 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23719 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23721 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23723 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23724 MAX_WCHAR_TYPE defined in sparc.h.
23725 * config/sparc/linuxaout.h: Likewise.
23726 * config/sparc/linux64.h: Likewise.
23727 Also default to -mvis if CPU is UltraSPARC.
23729 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23731 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23732 (RTX_OK_FOR_OLO10): Likewise.
23733 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23734 %lo(), allow it in addresses...
23735 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23736 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23737 does not make sense.
23738 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23739 (sparc_output_scratch_registers): New function.
23740 (output_function_prologue, sparc_flat_output_function_prologue): Use
23742 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23744 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23745 * configure.in: Add check for .register pseudo-op support in as and
23746 check for offsetable %lo().
23747 * acconfig.h: Add templates for the above checks.
23748 * configure: Regenerate.
23750 1999-08-02 Richard Henderson <rth@cygnus.com>
23752 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23753 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23754 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23756 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23758 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23761 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23763 * config/float-sparc.h: New file.
23764 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23765 sparc-*-linux-gnu and sparc64-*-linux*.
23767 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23769 * rs6000.c (rs6000_va_list): Type is an array.
23770 (rs6000_va_start): Don't doubly adjust for varargs.
23771 (rs6000_va_arg): Evaluate long long GPR adjustment.
23773 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23775 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23776 -maix64 and -maix32.
23777 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23778 LINK_SPEC): Change appropriately.
23779 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23780 (u_short_cint_operand): Likewise.
23781 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23783 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23785 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23787 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23789 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23790 for type promotion.
23791 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23792 (non_add_cint_operand): Likewise.
23793 (logical_operand): Likewise.
23794 (non_logical_cint_operand): Likewise.
23795 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23796 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23797 (rs6000_select_rtx_section): Suppress warning.
23798 (small_data_operand): Suppress warning.
23799 (rs6000_got_register): Suppress warning.
23800 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23801 type, so `J' is generally the wrong constraint for a SImode value;
23803 (andsi3_internal2): Likewise.
23804 (andsi3_internal3): Likewise.
23805 (iorsi3_internal1): Likewise.
23806 (xorsi3_internal1): Likewise.
23808 (movsf_softfloat): Likewise.
23809 (scc insns): Likewise.
23810 (movsi+2): Preserve sign bits of SImode constant.
23811 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23812 (movdf+1): Sign-extend properly.
23813 (movdi_32+1): Sign-extend properly.
23814 (scc insns): Sign-extend properly.
23816 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23819 1999-08-02 Richard Henderson <rth@cygnus.com>
23821 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23822 -mcpu parsing code.
23823 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23824 * alpha.md (all fp insns): Likewise.
23826 1999-08-02 Nick Clifton <nickc@cygnus.com>
23828 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23831 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23833 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23834 pic_load_label generator directly.
23835 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23836 No longer a named pattern.
23838 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23840 * explow.c (force_reg): Call force_operand if X does not
23841 satisfy general_operand.
23843 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23845 * fix-header.c (main): When testing for CONTINUED, use string
23846 equality, not pointer equality.
23848 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23850 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23852 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23854 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23855 that has become an unconditional jump.
23857 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23858 (output_function_epilogue): Similarly.
23860 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23862 * tree.h (init_dummy_function_start): Declare.
23864 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23866 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23867 last_expr_type, last_expr_value, block_start_count, block_stack,
23868 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23869 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23870 dynamically in stmt elt of struct function for each function.
23871 (struct nesting): Rename function_call_count elt to n_function_calls,
23872 target_temp_slot_level to block_target_temp_slot_level. All users
23874 (struct stmt_status): New structure definition.
23875 Add many accessor macros for stmt_status elements which previously
23876 were global variables.
23877 (init_stmt_for_function): Allocate stmt elt for current_function.
23878 Reflect that block_start_count was renamed to
23879 current_block_start_count.
23880 (save_stmt_status, restore_stmt_status): Delete functions.
23881 (preserve_subexpressions_p): Don't access loop_stack when outside
23883 (expand_start_bindings): Reflect that block_start_count was renamed to
23884 current_block_start_count.
23885 (expand_fixup): Likewise.
23886 (expand_decl): Don't access block_stack when outside a function.
23887 (expand_decl_cleanup): Likewise.
23888 (expand_dcc_cleanup): Likewise.
23889 (expand_dhc_cleanup): Likewise.
23890 (expand_anon_union_decl): Likewise.
23891 (set_file_and_line_for_stmt): New function.
23892 (in_control_zone_p): New function.
23894 * function.h (struct function): Add new elt stmt.
23895 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23896 case_stack, nesting_stack, nesting_depth, block_start_count,
23897 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23898 emit_lineno, goto_fixup_chain.
23899 (save_eh_status, restore_eh_status, save_stmt_status,
23900 restore_stmt_status): Delete declarations.
23901 * function.c (push_function_context_to): Don't call save_stmt_status.
23902 (pop_function_context_to): Don't call restore_stmt_status.
23903 * tree.h (in_control_zone_p): Declare.
23904 * rtl.h (set_file_and_line_for_stmt): Declare.
23906 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23907 call set_file_and_line_for_stmt.
23909 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23911 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23912 Also update copyright.
23914 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23916 * c-pragma.c: Don't include "except.h".
23917 * emit-rtl.c: Likewise.
23918 * stor-layout.c: Likewise.
23919 * tree.c: Likewise.
23920 * varasm.c: Likewise.
23922 * flow.c: Include "function.h".
23923 * tree.h (init_dummy_function_start): Declare new function.
23925 * except.h (struct eh_status): New structure.
23926 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23928 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23929 catch_clauses, false_label_stack, caught_return_label_stack,
23930 protect_list, current_function_ehc): Add accessor macros for the
23931 corresponding fields in current_function->eh; delete declarations
23932 for all items that used to be declared here.
23933 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23934 catch_clauses, false_label_stack, caught_return_label_stack,
23935 protect_list, current_function_ehc): Delete variables.
23936 (init_eh_for_function): Allocate current_function->eh.
23937 (save_eh_status, restore_eh_status): Delete functions.
23939 * function.h (struct function): Add fields next_global and eh.
23940 Delete all exception handling related fields.
23941 * function.c (current_function): New variable.
23942 (all_functions): New variable.
23943 (push_function_context_to): Don't allocate a struct function,
23944 use current_function instead. Call init_dummy_function_start when
23945 outside a function. Clear current_function before returning.
23946 (pop_function_context_from): Restore current_function.
23947 Don't free the restored struct function.
23948 (prepare_function_start): New function.
23949 (init_dummy_function_start): New function.
23950 (init_function_start): Break out some code into prepare_function_start
23953 * stmt.c (save_stmt_status): Don't call save_eh_status.
23954 (restore_stmt_status): Don't call restore_eh_status.
23956 * Makefile.in: Update dependencies.
23958 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23960 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23961 of depending on a magic constant value. Update comments.
23962 (hppa_expand_prologue): Similarly.
23964 * pa.md (reload_indi, reload_outdi): Allow any register for the
23965 original reload register.
23967 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23969 * cccp.c (print_help): Change marcos to macros.
23971 1999-07-30 Richard Henderson <rth@cygnus.com>
23973 * c-typeck.c (initializer_constant_valid_p): Move ...
23974 * c-common.c (initializer_constant_valid_p): ... here. Use
23975 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23976 of label addresses.
23977 * c-common.h (initializer_constant_valid_p): Declare.
23978 * c-tree.h (initializer_constant_valid_p): Remove.
23980 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23982 * config/i386/sol2-c1.asm: Align the stack.
23983 * config/i386/sol2-gc1.asm: Likewise.
23985 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23987 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23988 -Asparclite for sparc86x.
23989 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23991 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23993 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23995 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23996 the user if using the non-default arch size in BI_ARCH configuration.
23997 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23999 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24000 Fix patterns so that they actually match.
24001 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24002 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24003 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24005 (mulsidi3): Reflect this in the expand.
24006 (smulsi3_highpart): Only on TARGET_ARCH32.
24007 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24008 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24009 (umulsidi3): Reflect this in the expand.
24010 (umulsi3_highpart): Only on TARGET_ARCH32.
24011 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24012 don't require g0 to be zero.
24013 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24014 ({,u}divsi3): New expands.
24015 ({,u}divsi3_sp64): New patterns.
24016 (after lshrdi3_v8plus): Four new patterns to help combiner
24017 optimizing nested mixed mode shifts.
24019 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24020 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24021 speed things up. Don't use them by default on plain v9 in 64bit
24022 mode, according to what SPAMv9 sais.
24024 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24025 top 32 bits of %[og][0-7] in signal handlers.
24026 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24028 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24030 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24031 (ashlsi3): Corresponding changes.
24033 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24035 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24037 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24039 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24041 * arm.h (Hint): Delete macro.
24042 Substitute HOST_WIDE_INT for Hint in some prototypes.
24043 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24045 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24047 * builtins.c (expand_builtin_setjmp): Use force_operand to
24048 make sure that the buffer address is in a suitable form to be
24049 passed to force_reg.
24051 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24053 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24056 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24058 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24059 proper mode in the condition string.
24060 (icacheflush, dcacheflush): Remove modes from match_operands.
24062 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24063 proper mode before using it.
24065 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24068 * pa.c (store_reg): Do not call add_high_const generator directly.
24069 (load_reg, set_reg_plus_d): Likewise.
24070 * pa.md (add_high_const): No longer a named pattern.
24072 * pa.c (legitimize_address): Consistently use Pmode rather than
24073 SImode. Do not call gen_pic2_highpart directly anymore.
24074 * pa.md (pic2_highpart): No longer a named pattern.
24075 (pic2_lo_sum): Similarly. Reformat to make more readable.
24077 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24082 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24084 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24086 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24088 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24089 and tag the spill mems.
24090 (hppa_va_start): New.
24091 (hppa_va_arg): New.
24092 * pa.h (EXPAND_BUILTIN_VA_START): New.
24093 (EXPAND_BUILTIN_VA_ARG): New.
24095 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24097 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24098 and tag the spill mems.
24099 (mn10300_va_start): New.
24100 (mn10300_va_arg): New.
24101 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24102 (EXPAND_BUILTIN_VA_ARG): New.
24104 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24106 * mn10200.c (mn10200_va_arg): New.
24107 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24109 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24111 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24112 rather than play with TREE_INT_CST_LOW.
24114 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24116 * config/arm/telf.h: Include dbxelf.h.
24117 (CPP_PREDEFINES): Only define if not already defined.
24118 (ASM_IDENTIFY_GCC): Likewise.
24119 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24120 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24121 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24123 (DBX_DEBUGGING_INFO): Don't define.
24124 * config/arm/linux-telf.h: New file.
24125 * config/arm/linux-tgas.h: New file.
24126 * config/arm/t-thumb-linux: New file.
24127 * config/arm/uclinux-elf.h: New file.
24128 * config/arm/uclinux-telf.h: New file.
24129 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24130 thumb-*-uclinux): New targets.
24131 * configure: Regenerate.
24133 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24135 * pa.md (post_store, pre_load): New expanders.
24136 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24137 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24138 need to directly generate RTL for them.
24139 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24142 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24144 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24145 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24146 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24147 (secndary_reload_class): Make TARGET_ELF conditional compile.
24148 (print_operand_address): Similar.
24149 (output_toc): Print all values as hex.
24150 (get_issue_rate): Rearrange and add RS64A and PPC630.
24151 * rs6000.h (processor_type): Add RS64A and PPC630.
24152 (PROCESSOR_POWERPC64): New.
24153 (PROMOTE_MODE): Use word_mode.
24154 (RTX_COSTS): Add RS64A and PPC630.
24155 * rs6000.md (scheduling information): Add lmul and ldiv
24156 representing 64-bit integer multiply and divide. Add rs64a and
24157 PPC630 information.
24158 (ashldi3): Add support for "rldic" instruction.
24159 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24161 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24163 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24164 instead of V8 for sparclite86x in cpu_table.
24166 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24168 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24169 output_file_directive.
24171 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24173 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24174 tree for op1, not the rtl.
24176 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24178 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24179 to m88k_va_start, leaving only the register spill.
24180 (m88k_build_va_list): New.
24181 (m88k_va_start): New.
24182 (m88k_va_arg): New.
24183 * m88k.h (BUILD_VA_LIST_TYPE): New.
24184 (EXPAND_BUILTIN_VA_START): New.
24185 (EXPAND_BUILTIN_VA_ARG): New.
24187 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24189 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24190 Rename from expand_builtin_saveregs.
24191 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24193 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24195 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24196 for the register spill block.
24197 (i960_build_va_list): New.
24198 (i960_va_start): New.
24199 (i960_va_arg): New.
24200 * i960.h (BUILD_VA_LIST_TYPE): New.
24201 (EXPAND_BUILTIN_VA_START): New.
24202 (EXPAND_BUILTIN_VA_ARG): New.
24203 * i960.md (store_multiple): Use change_address on individul mems.
24205 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24207 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24209 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24210 (expand_builtin_va_end): Evaluate arg for side effects.
24211 * c-common.c (c_common_nodes_and_builtins): Construct a
24212 va_list_arg_type_node to handle array decomposition to pointer.
24214 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24216 * except.c (st_dynamic_cleanup): Use force_operand on the
24219 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24221 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24222 * c4x.c (c4x_va_arg): New.
24224 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24226 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24227 has manual_pop set.
24229 1999-07-26 Nathan Sidwell <nathan@acm.org>
24231 * eh-common.h (__eh_matcher): Prototype correctly.
24233 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24235 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24236 (TARGET_SINGLE_PIC_BASE): Likewise.
24237 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24239 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24240 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24241 (TARGET_OPTIONS): Add -mpic-register=N.
24242 (OUTPUT_INT_ADDR_CONST): New macro.
24243 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24244 LEGITIMATE_PIC_OPERAND_P): Likewise.
24245 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24246 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24247 output_addr_const directly.
24248 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24250 (thumb_pic_register, thumb_pic_register_string): Declare.
24252 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24254 (label_mentioned_p): New function: Imported from arm.c.
24255 (legitimize_pic_address): New function: Imported from arm.c.
24256 (is_pic):New function: Imported from arm.c.
24257 (thumb_finalize_pic):New function: Imported from arm.c.
24258 (add_constant): Cope with PIC constants.
24259 (fixit): Cope with PIC constants.
24260 (output_return): Do not treat the PIC register as live if
24261 TARGET_SINGLE_PIC_BASE is true.
24262 (thumb_function_prologue): Do not treat the PIC register as live if
24263 TARGET_SINGLE_PIC_BASE is true.
24264 (thumb_expand_prologue): Do not treat the PIC register as live if
24265 TARGET_SINGLE_PIC_BASE is true.
24266 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24267 TARGET_SINGLE_PIC_BASE is true.
24268 (thumb_print_operand): Accept '|'.
24269 (thumb_override_options): Process PIC options.
24271 * config/arm/thumb.md (movsi): Support PIC.
24272 (call_insn): Change "i" constraint to "X".
24273 (call_value_insn): Likewise.
24274 (consttable_4, consttable_8, consttable_end): Set and clear
24275 "making_const_table" as appropriate.
24276 (pic_load_addr, pic_add_dot_plus_four): New insns.
24278 * invoke.texi (Thumb Options): Fix spelling. Document new
24279 options -msingle-pic-base and -mpic-register=.
24281 1999-07-26 Andrew Haley <aph@cygnus.com>
24283 * config/m32r/initfini.c (__init): Use a full word immediate for
24284 __fini: this allows it to be placed in any memory region.
24286 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24287 -mmodel=medium. This is OK for all memory models.
24289 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24291 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24292 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24294 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24296 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24299 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24301 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24303 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24304 (BUILD_VA_LIST_TYPE): New.
24305 (EXPAND_BUILTIN_VA_START): New.
24306 (EXPAND_BUILTIN_VA_ARG): New.
24307 * i860.c (output_delayed_branch): Disable.
24308 (output_delay_insn): Likewise.
24309 (i860_saveregs): New.
24310 (i860_build_va_list): New.
24311 (i860_va_start): New.
24312 (i860_va_arg): New.
24313 * i860.md: Disable all peepholes using output_delayed_branch.
24314 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24316 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24318 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24319 (BUILD_VA_LIST_TYPE): New.
24320 (EXPAND_BUILTIN_VA_START): New.
24321 (EXPAND_BUILTIN_VA_ARG): New.
24322 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24323 Return the address of the save area.
24324 (clipper_build_va_list): New.
24325 (clipper_va_start): New.
24326 (clipper_va_arg): New.
24328 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24330 * arc.h (EXPAND_BUILTIN_VA_START): New.
24331 (EXPAND_BUILTIN_VA_ARG): New.
24332 * arc.c (arc_setup_incoming_varargs): Set alias set of
24334 (arc_va_start): New.
24337 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24339 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24340 (BUILD_VA_LIST_TYPE): New.
24341 (EXPAND_BUILTIN_VA_START): New.
24342 (EXPAND_BUILTIN_VA_ARG): New.
24343 * alpha.c (alpha_builtin_saveregs): Delete.
24344 (alpha_build_va_list): New.
24345 (alpha_va_start): New.
24346 (alpha_va_arg): New.
24348 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24350 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24352 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24353 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24355 * gcc.texi: More changes related to list conversion.
24356 * invoke.texi: Likewise.
24358 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24360 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24361 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24362 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24363 (stabilize_va_list): New function.
24364 (std_expand_builtin_va_start): New function.
24365 (expand_builtin_va_start): New function.
24366 (get_varargs_alias_set): New function.
24367 (std_expand_builtin_va_arg): New function.
24368 (expand_builtin_va_arg): New function.
24369 (expand_builtin_va_end): New function.
24370 (expand_builtin_va_copy): New function.
24371 (expand_builtin): Call them.
24372 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24373 __builtin_{varargs_start,stdarg_start,end,copy}.
24374 (build_va_arg): New function.
24375 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24376 (build_va_arg): Declare.
24377 * c-decl.c (ptr_type_node, va_list_type_node): New.
24378 * c-parse.gperf (__builtin_va_arg): New.
24379 * c-parse.in (VA_ARG): New token.
24380 (unary_expr): Recognize it.
24381 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24382 * expr.h (std_expand_builtin_va_start): Declare.
24383 (std_expand_builtin_va_arg): Declare.
24384 (expand_builtin_va_arg): Declare.
24385 (get_varargs_alias_set): Declare.
24386 * tree.def (VA_ARG_EXPR): New.
24387 * tree.h (BUILT_IN_VARARGS_START): New.
24388 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24389 (ptr_type_node, va_list_type_node): Declare.
24390 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24391 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24392 * m88k.h, m88k.c: Likewise.
24393 * mn10300.h, mn10300.c: Likewise.
24394 * pa.h, pa.c: Likewise.
24395 * rs6000.h, rs6000.c: Likewise.
24396 * sh.h, sh.c: Likewise.
24397 * sparc.h, sparc.c: Likewise.
24399 * emit-rtl.c (operand_subword): Copy alias set.
24400 (change_address): Likewise.
24402 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24404 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24405 not just the first one.
24407 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24409 * config/arm/arm.h (TARGET_SWITCHES): Add
24410 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24411 (TARGET_OPTIONS): Add -mpic-register=.
24412 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24413 (arm_pic_register_string): Declare.
24414 (NEED_PLT_GOT): Delete, replace with ...
24415 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24416 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24417 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24418 * config/arm/arm.c (arm_override_options): Add new option
24420 (arm_pic_register_string): New variable.
24421 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24422 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24423 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24424 (output_return_instruction): Likewise.
24425 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24426 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24427 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24429 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24430 mention of -msched-prolog. Document new options -msingle-pic-base
24431 and -mpic-register=.
24433 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24435 * haifa-sched.c (reemit_notes): Tidy.
24436 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24439 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24441 * explow.c (trunc_int_for_mode): New function.
24442 (plus_constant_wide): Use it.
24443 * combine.c (simplify_and_const_int): Likewise.
24444 (merge_outer_ops): Likewise.
24445 (simplify_shift_const): Likewise.
24446 * cse.c (simplify_unary_operation): Likewise.
24447 (simplify_binary_operation): Likewise.
24448 * emit-rtl.c (operand_subword): Likewise.
24449 * rtl.h: Declare it.
24451 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24453 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24454 (use NUM_REGS instead of NUM_INTS).
24456 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24458 * builtins.c: New file.
24459 * expr.c (saveregs_value, apply_args_value): Delete definition,
24460 moved into builtins.c.
24461 (string_constant): No longer static.
24462 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24463 apply_args_size, apply_result_size, result_vector,
24464 expand_builtin_apply_args, expand_builtin_apply,
24465 expand_builtin_return): Delete functions, moved into builtins.c.
24466 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24467 * expr.h (saveregs_value, apply_args_value): Declare variables.
24468 (expand_builtin, string_constant): Declare functions.
24469 * Makefile.in: Update to build builtin.o.
24471 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24473 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24474 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24475 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24476 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24478 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24481 1999-07-21 Michael Meissner <meissner@cygnus.com>
24483 * print-rtl.c (print_rtx): Print the names of the virtual
24486 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24488 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24489 introduced in previous delta.
24491 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24493 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24494 to avoid name clash.
24496 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24498 * c-lex.c (yylex) : Correct the test for overflow when lexing
24501 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24503 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24504 (adjust_priority): Always call ADJUST_PRIORITY.
24505 (schedule_insn): Only put insns into the ready at cost 0.
24506 (schedule_block): Remove redundant initial sort. Give clock_var
24507 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24509 * tm.texi (MD_SCHED_REORDER): Update docs.
24511 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24512 * sparc.c (ultra_reorder_called_this_block): Delete.
24513 (ultrasparc_sched_init): Don't set it.
24514 (ultrasparc_sched_reorder): Don't check it.
24516 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24518 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24519 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24520 (function_arg_boundary): Align DFmode.
24521 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24522 to get fp reg and stack overflow correct.
24523 (function_arg): Likewise.
24524 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24525 (setup_incoming_varargs): Restructure for ABI_V4; use
24526 function_arg_advance to skip final named argument.
24527 (expand_builtin_saveregs): Properly unskip the last integer arg
24528 when doing varargs. Adjust overflow location calculation.
24530 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24531 explicitly unsigned.
24532 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24533 (__VA_GP_REGSAVE): Similarly.
24534 (__va_longlong_p): Delete.
24535 (__va_arg_type_violation): New declaration.
24536 (va_arg): Restructure. Flag promotion errors. Align double.
24537 TFmode passed by reference.
24539 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24540 in the HOST_BITS_PER_WIDE_INT > 32 case.
24542 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24544 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24546 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24548 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24549 * toplev.c (documented_lang_options): Add -fpreprocessed.
24550 * cpplib.h (struct cpp_buffer): Add preprocessed.
24551 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24552 (cpp_start_read): Don't expand macros or emit an initial #line
24553 directive if -fpreprocessed.
24555 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24557 * cpplib.h (struct cpp_buffer): Added manual_pop for
24558 better C++ tokenization.
24559 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24560 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24561 * c-common.c (cpp_token): Make non-static.
24563 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24565 * c-common.h: New file.
24566 * c-common.c (permanent_obstack): Delete unused declaration.
24567 (c_global_trees): New array.
24568 (c_common_nodes_and_builtins): New function; split off common code
24569 from init_decl_processing in both c-decl.c and cp/decl.c.
24570 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24571 c_global_trees and accessor macros defined in c-common.h.
24572 Include c-common.h.
24573 * c-decl.c: Delete definitions for tree nodes that were replaced by
24575 (init_decl_processing): Build void_list_node.
24576 Call c_common_nodes_and_builtins; delete code to generate the common
24578 * objc/objc-act.c (build_module_descriptor): Rename variable
24579 void_list_node to avoid clash with c-common.h.
24581 * Makefile.in: Update dependencies.
24582 * objc/Make-lang.in: Likewise.
24584 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24586 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24587 (UNIQUE_SECTION_P): Likewise.
24588 (UNIQUE_SECTION): Likewise.
24590 1999-07-19 Linas Vepstas <linas@linas.org>
24592 * config/i370/README: New file.
24593 * config/i370/linux.h: New file.
24594 * config/i370/mvs.h: New file.
24595 * config/i370/oe.h: New file.
24596 * config/i370/t-linux: New file.
24597 * config/i370/t-mvs: New file.
24598 * config/i370/t-oe: New file.
24599 * config/i370/x-oe: New file.
24600 * config/i370/xm-linux.h: New file.
24601 * config/i370/xm-mvs.h: New file.
24602 * config/i370/xm-oe.h: New file.
24604 * i370.c (label_node_t): Add first_ref_page, label_addr,
24605 label_first_ref, label_last_ref members.
24606 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24607 (MAX_MVS_LABEL_SIZE): Define.
24608 (MAX_LONG_LABEL_SIZE): Define.
24609 (alias_node_t, alias_anchor, alias_number): New.
24610 (mvs_function_table): Reorder for EBCDIC.
24611 (ascebc, ebcasc): Unconditionally define.
24612 (i370_branch_dest, i370_branch_length): New functions.
24613 (i370_short_branch, i370_label_scan): New functions.
24614 (mvs_get_label): Renamed from mvs_add_label. Search for
24615 an existing label before creating a new one.
24616 (mvs_add_label): New function.
24617 (mvs_get_label_page): New function.
24618 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24619 over the entire list.
24620 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24621 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24622 (mvs_add_alias, mvs_need_alias): New functions.
24623 (mvs_get_alias, mvs_check_alias): New functions.
24624 (handle_pragma): New function.
24625 (mvs_function_check): New function.
24626 (unsigned_jump_follows_p): Search harder.
24627 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24628 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24629 * i370.h (TARGET_VERSION): Delete.
24630 (CPP_SPEC, CPP_PREDEFINES): Delete.
24631 (mvs_label_emitted): Delete.
24632 (TARGET_EBCDIC): Delete.
24633 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24634 (HANDLE_PRAGMA): Define.
24635 (HARD_REGNO_NREGS): Handle complex modes.
24636 (HARD_REGNO_MODE_OK): Likewise.
24637 (CLASS_MAX_NREGS): Likewise.
24638 (RET_REG): Likewise.
24639 (EXTRA_CONSTRAINT): Define.
24640 (RETURN_IN_MEMORY): True for DImode.
24641 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24642 (FUNCTION_PROFILER): Delete.
24643 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24644 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24645 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24646 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24647 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24648 (ASM_FILE_START): Add "RMODE ANY".
24649 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24650 (ASM_GLOBALIZE_LABEL): Likewise.
24651 (ASM_OUTPUT_LABELREF): Likewise.
24652 (ASM_OUTPUT_COMMON): Likewise.
24653 (PRINT_OPERAND): Handle 'K', 'W', default.
24654 (PRINT_OPERAND_ADDRESS): New.
24655 (Lots of defines): Add support for TARGET_ELF_ABI.
24656 * i370.md (attr length): New. Define for all patterns.
24657 (*): Lots of tweeks to assembly output and constraints.
24659 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24661 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24662 Disable patterns performing SImode comparisons with SImode values
24663 if TARGET_POWERPC64 and instruction does not sign-extend or does
24664 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24665 differ for signed quantities.
24666 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24667 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24668 (decrement_and_branch_on_count): Add 64-bit variant.
24670 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24672 * final.c (output_asm_insn): When searching for the matching string
24673 for a given dialect, don't run past the end of the list of
24674 alternatives if there are fewer alternatives in the template than
24677 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24679 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24680 Removed paragraph about compression of files and size limitation,
24681 duplicated in the FAQ. Use gcc-patches for posting patches.
24682 * gcc.c (main): Updated URL with bug reporting instructions to
24683 gcc.gnu.org. Removed e-mail address.
24684 * system.h (abort): Likewise.
24686 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24688 * Makefile.in (stmp-multilib-sub): Make the files extracted
24689 from $(LIBGCC1) writable.
24691 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24693 * config/arm/aout.h: Reformat for improved readability.
24695 * config/arm/arm.h: Reformat for improved readability.
24696 Replace uses of fprintf with asm_fprintf where appropriate.
24697 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24698 function declaration assembler actions.
24699 (NUM_INTS): New macro: Convert from bytes to words.
24700 (NUM_REGS): New macro: Compute number of registers required to
24701 hold a quanitity of tyep MODE.
24702 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24704 (NUM_ARG_REGS): New macro: The number of argument registers
24706 (ARG_REGISTER): New macro: Compute the register number of the Nth
24708 (LAST_ARG_REGNUM): New macro: The number of the last argument
24710 (SP_REGNUM): New macro: Register number of the stack pointer.
24711 (FP_REGNUM): New macro: Register number of the frame pointer.
24712 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24713 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24714 CUMULATIVE_ARGS so that it counts registers not bytes.
24716 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24718 Replace uses of fprintf with asm_fprintf where appropriate.
24719 (output_ascii_pseudo_op): Replace with version from thumb.c
24721 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24723 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24724 SUBTARGET_CPP_SPEC.
24725 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24726 (ASM_FILE_START): Emit ASM_APP_OFF.
24728 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24730 * pa.c (compute_frame_size): Round frame according to
24731 STACK_BOUNDARY rather than a hardwired value.
24733 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24735 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24737 * configure: Rebuilt.
24739 * configure.in (hppa*-*-linux*): New configuration.
24740 * configure: Rebuilt.
24741 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24742 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24743 * pa/pa-linux.h: New file.
24744 * pa/t-linux: New file.
24745 * pa/xm-linux.h: New file.
24747 * pa.c (hppa_legitimize_address): Change references from SImode to
24748 either Pmode or word_mode as appropriate.
24749 (emit_move_sequence, store_reg, load_reg): Likewise.
24750 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24751 (output_mul_insn): Likewise.
24752 * pa.h (PROMOTE_MODE): Likewise.
24753 (INITIALZE_TRAMPOLINE): Likewise.
24754 (Pmode): Define to word_mode.
24756 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24757 value of 4. Allocate 8 bytes for each FP register save.
24758 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24760 (hppa_expand_prologue): Likewise.
24761 * pa.h (PROMOTE_MODE): Likewise.
24762 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24763 (FUNCTION_ARG_BOUNDARY): Likewise.
24765 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24767 * pa.c (out_of_line_prologue_epilogue): Delete.
24768 (override_options): Remove -mspace related code.
24769 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24770 (compute_frame_size): Only allocate space for register that
24771 actually need to be saved.
24772 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24773 (TARGET_SWITCHES): Remove -mspace, -mno-space
24774 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24775 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24776 * pa/ee.asm, pa/ee_fp.asm: Delete.
24778 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24780 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24781 directive in column zero.
24783 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24785 * m68k.c (output_function_prologue): Fix computation of save mask
24786 when generating PIC code.
24788 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24790 * tree.c (build_type_attribute_variant): Move current_obstack restore
24791 after build_qualified_type call.
24793 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24795 * configure.in: Use t-iris6, even with GNU LD.
24796 * config/mips/iris6gld.h: Fix typo in linker spec.
24797 * config/mips/t-iris6gld: Remove.
24799 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24801 * rs6000.md (insv, extzv): Remove SImode dependence in named
24802 patterns. Explicitly generate DImode RTL if PowerPC64 and
24804 (insvdi): Reverse start and size in instruction template.
24806 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24808 * invoke.texi: Typo fixes.
24810 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24812 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24813 handle at this time instead of silently generating incorrect code.
24814 (gen_imagpart): Likewise.
24816 * reload.c (find_reloads): Emit a USE for a pseudo register without
24817 a hard register if we could not create an optional reload for the
24820 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24822 * c-typeck.c (output_init_element, process_init_element):
24823 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24824 check for nameless bit fields.
24826 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24828 * regclass.c (scan_one_insn): Notice subregs that change the
24829 size of their operand.
24830 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24832 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24834 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24835 * configure: Rebuilt.
24836 * alpha/t-ieee: New file.
24838 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24840 * rs6000.c (find_addr_reg): Do not select r0 as an address
24843 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24845 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24847 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24849 * rs6000.md (movsf): Do not force easy FP constants into memory.
24851 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24852 immed_double_const to ensure they are properly truncated then
24855 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24857 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24858 always unless NO_DEBUG is used. Compile this code
24860 (replace_symbols_in_block): Compile it unconditionally.
24862 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24864 * configure.in (i?86-*-elf*): New target.
24865 * configure: Rebuilt.
24866 * i386/i386elf.h, i386/t-i386elf: New files.
24868 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24870 * toplev.c (main): Don't complain about saying -gdwarf.
24871 (rest_of_compilation): Remove redundant code.
24873 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24875 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24877 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24879 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24880 "Li960R:", to avoid name clash.
24882 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24884 * loop.c (check_dbra_loop): When reversing a loop, delete all
24885 REG_EQUAL notes referencing the reversed biv except those which are
24886 for a giv based on it.
24888 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24890 * version.c: Drop "gcc-" prefix from version #.
24892 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24894 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24895 the label if we're being verbose.
24897 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24899 * m68k.c (output_function_prologue): Add pic register to mask
24900 if live and flag_pic.
24901 (output_function_epilogue): Likewise.
24903 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24905 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24906 directives in column zero.
24908 * pa/elf.h (ASM_FILE_START): Define.
24909 * pa/som.h (ASM_FILE_START): Include .level directives.
24910 * pa/hpux10.h (ASM_FILE_START): Delete.
24911 * pa/hpux11.h (ASM_FILE_START): Delete.
24913 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24915 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24917 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24918 when reload_out equals reload_in.
24920 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24922 * invoke.texi (Spec Files): New node: Describe the contents of
24925 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24927 * invoke.texi (DEC Alpha Options): Put @end table at
24928 beginning of line, to avoid confusing texi2html.
24930 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24932 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24933 introduced in previous delta.
24935 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24937 * reload1.c (gen_reload): When synthesizing a 3 operand add
24938 sequence, improve test for when to reload OP1 into the reload
24939 register instead of OP0.
24941 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24943 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24945 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24947 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24950 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24952 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24953 (va_dcl): Use __builtin_va_alist_t.
24955 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24957 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24958 on the permanent_obstack.
24959 * dwarfout.c (output_type): Likewise.
24961 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24963 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24964 Merged from c-typeck.c and cp/typeck.c.
24965 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24966 Merged into c-common.
24968 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24970 * c-lex.c (errorcount): Declare it.
24971 (finish_parse): Update errorcount when using CPPLIB.
24973 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24975 * fixinc/inclhack.def(end_else_label): Double the backslash so
24976 sed gets a chance to see it.
24977 * fixinc/inclhack.sh: regen
24978 * fixinc/fixincl.x: regen
24980 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24982 Add framework to support armv5 architecture when it becomes
24985 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24986 (arm_arch5): New variable.
24987 (all_architectures): Add armv5 line.
24988 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24989 -march=armv5 is specified on the command line.
24990 (arm_arch5): Export this variable.
24991 * invoke.texi: Document new string accepted by -march= switch for
24994 * config/arm/arm.h: Replace use of constant 12 as a register
24995 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24996 * config/arm/arm.c: Replace use of constant 12 as a register
24997 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24999 * config/arm/elf.h: Tidy up.
25000 * config/arm/coff.h: Tidy up.
25002 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25004 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25005 * gcc/config/mips/t-iris6gld: New file.
25006 * gcc/config/mips/iris6gld.h: Likewise.
25008 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25010 * c-decl.c (widest_integer_literal_type_node,
25011 widest_unsigned_literal_type) : New.
25012 (init_decl_processing): Handle/use the two new types.
25013 * c-common.c (type_for_size,type_for_mode) : Same.
25014 * c-lex.c (yylex) : Same.
25015 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25017 * c-tree.h (widest_integer_literal_type_node,
25018 widest_unsigned_literal_type) : New.
25020 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25022 * dwarfout.c (field_byte_offset): Correctly compute the object's
25023 byte offset for the first bit of a field which crosses an alignment
25024 boundary on a !BYTES_BIG_ENDIAN target.
25026 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25028 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25031 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25032 Jeff Law <law@cygnus.com>
25034 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25037 * except.c: Include intl.h.
25038 (expand_eh_return): Set current_function_cannot_inline.
25039 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25040 * function.h (struct function): Add eh_return_stub_label.
25041 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25042 * Makefile.in (except.o): Depend on intl.h.
25044 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25046 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25047 same as offsettable in cases 1 and 2.
25049 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25051 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25052 (extlh, extwh): Likewise.
25054 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25056 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25058 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25060 * configure.in: Add arm-pe and thumb-pe targets.
25061 * configure: Regenerate.
25063 * thumb.c (arm_naked_function_p): New function: Determines if
25064 a function is naked (has no gcc generated prologue/epilogue).
25065 (is_called_in_ARM_mode): Return true if the func has the
25066 interfacearm attribute.
25067 (output_return): Do not generate a return for naked functions.
25068 (thumb_function_prologue): Do not generate a prologue for
25070 (thumb_expand_prologue): Do not generate a prologue for naked
25072 (thumb_expand_epilogue): Do not generate an epilogue for naked
25074 (arm_valid_machine_decl_attribute): New function, copied from
25075 arm.c: Permit naked and interfacearm attributes.
25077 * config/arm/pe.c: New file: Support code for arm-pe target.
25078 * config/arm/pe.h: New file: Header file for arm-pe target.
25079 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25080 * config/arm/t-thumb-pe: New file: Makefile fragment for
25083 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25085 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25086 -fPIC or -fpic is specified.
25088 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25090 * expr.c (emit_block_move): Use copy_to_mode_reg for
25091 !TARGET_MEM_FUNCTIONS case too.
25093 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25095 * configure: Rebuilt.
25096 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25097 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25098 definitions made redundant by dbxelf.h inclusion. Delete
25099 lots of definitions related to assembly output that are
25100 specific to the SOM object format.
25101 * pa.c (output_function_prologue): Do not emit the function's
25103 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25104 * pa-pro.h: Deleted.
25105 * som.h: New file with SOM specific definitions.
25106 * elf.h: New file with ELF specific definitions.
25108 * elfos.h (const_section): Output a tab before assembler directives.
25109 (ctors_section, dtors_section): Likewise.
25110 (ASM_OUTPUT_SECTION_NAME): Likewise.
25112 * pa/pa1.h: Delete unused file.
25114 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25116 * configure.in (hppa*-hp-hpux11*): New configuration.
25117 * configure: Rebuilt.
25118 * pa/pa-hpux11.h: New file.
25119 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25122 * mips.md (leasi, leadi): New patterns.
25124 * expr.c (emit_block_move): Properly handle case where one of the
25125 block move arguments has a queued increment or decrement.
25126 (clear_storage): Similarly. Fix formatting goof.
25128 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25130 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25131 semicolon from the BSD VA_LIST replacement expression.
25133 * fixinc/inclhack.sh: regen
25134 * fixinc/fixincl.x: regen
25136 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25137 now use the fixincl program.
25139 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25141 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25142 case. Also make the PIC register call_used.
25144 * m68k.h (FINALIZE_PIC): Delete.
25145 * m68k.c (finalize_pic): Delete.
25147 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25149 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25152 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25154 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25156 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25158 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25160 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25162 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25164 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25166 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25168 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25170 * rs6000.c (output_toc): Always use hex values for floating-point
25171 constants. Store single-precision values in upper-half of TOC
25172 entry in 64-bit mode.
25173 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25174 to final constraints.
25175 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25176 (fctiwz): Improve accuracy of RTL for pattern.
25178 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25180 * expr.c (expand_expr): Allow RTL_EXPR's through the
25181 MAX_INTEGER_COMPUTATION_MODE checks.
25183 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25185 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25186 such that MASK_SUPPORT_ARCH is not negative.
25188 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25190 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25191 ADDR_DIFF_VEC insns that appear inside loops.
25193 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25194 Jeff Law <law@cygnus.com>
25196 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25197 Handle LO_SUM the same as offsettable in cases 1 and 2.
25198 * rs6000.c (find_addr_reg): Revert previous patch.
25200 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25202 * system.h (strstr): New external function declaration.
25203 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25204 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25205 * config.in, configure: Rebuilt.
25207 1999-06-24 Tom Tromey <tromey@cygnus.com>
25209 * gcc.c (main): Read user-specified specs files after computing
25210 additional startfile_prefixes.
25212 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25214 Revert these two patches:
25216 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25217 * loop.c (strength_reduce): When doing biv->giv conversion, update
25218 reg note of NEXT->insn.
25220 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25221 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25223 (recombine_givs): Set ix field after sorting.
25225 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25227 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25228 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25230 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25232 *fixinc/inclhack.def: Add fix development commentary
25233 (read_ret_type): reactivate and add selection clause
25234 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25235 *fixinc/{fixincl.x|inclhack.sh}: regen
25237 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25239 * expr.c (expand_expr): STRIP_NOPS before checking against
25240 MAX_INTEGER_COMPUTATION_MODE
25241 (check_max_integer_computation_mode): Likewise.
25243 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25245 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25247 1999-06-22 Jim Wilson <wilson@cygnus.com>
25249 * expr.c (store_expr): When target is a promoted subreg, return a
25250 promoted subreg as a result.
25252 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25254 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25256 (dwarf2out_define): Mark unused parameters appropriately.
25257 (gen_unspecified_parameters_die): Ditto.
25258 (gen_subprogram_die): Fix signed/unsigned warnings.
25259 (gen_variable_die): Ditto.
25261 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25263 * fixinc/inclhack.def(end_else_label): combined else_label
25264 and endif_label and fixed the sed expression.
25265 *fixinc/{fixincl.x|inclhack.sh}: regen
25267 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25269 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25270 'x' when handling non-offsettable addresses
25272 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25274 * final.c (shorten_branches): Don't try to split an insn that has
25277 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25279 * config/mips/mips.c (symbolic_expression_p): New function.
25280 (mips_select_rtx_section): Put symbolic expressions in the
25281 data section, not the read-only data section.
25283 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25285 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25287 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25289 * collect2.c (main): Log frame table count.
25290 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25291 (scan_prog_file) [COFF]: Handle frame tables.
25293 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25294 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25295 * alpha/elf.h: Undef them again.
25296 * alpha/vms.h: Remove their definitions.
25298 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25300 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25301 remove the clobber of r0 and change the REG_UNUSED note to
25304 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25306 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25307 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25308 fits in HOST_WIDE_INT and one uses union to access a long constant
25311 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25313 * sparc.c (sparc_override_options): Don't allow profiling for
25314 code models other than medlow.
25315 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25316 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25317 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25318 (sparc_block_profiler): Likewise.
25319 (sparc_function_block_profiler_exit): Likewise.
25320 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25321 (FUNCTION_BLOCK_PROFILER): Likewise.
25322 (BLOCK_PROFILER): Likewise.
25323 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25324 (MCOUNT_FUNCTION): New.
25325 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25326 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25327 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25328 (MCOUNT_FUNCTION): New.
25329 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25330 (BLOCK_PROFILER): Delete.
25331 (MCOUNT_FUNCTION): New.
25333 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25335 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25337 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25339 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25342 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25345 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25348 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25351 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25353 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25356 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25358 * i386/djgpp.h (LIB_SPEC): New.
25359 (STARTFILE_SPEC): New.
25361 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25363 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25365 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25368 * system.h (WSTOPSIG): New macro.
25370 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25372 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25374 (insert_pack_attributes): Take into account member natural
25377 * i386/winnt.c (exports_head): New static variable.
25378 (i386_pe_record_exported_symbol): New function.
25379 (i386_pe_asm_file_end): Use.
25380 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25381 symbols to be emitted at end of assembly.
25382 (ASM_DECLARE_OBJECT_NAME): Likewise.
25383 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25385 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25388 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25390 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25393 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25395 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25396 zapping reg_last_uses directly.
25397 (sched_analyze_2, sched_analyze_insn): Likewise.
25398 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25400 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25402 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25403 attributes for cases 1 and 2.
25405 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25407 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25410 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25412 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25414 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25416 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25417 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25418 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25419 must be stacked if it is used for PIC accesses.
25420 * arm.c (use_return_insn): Handle PIC register specially.
25421 (output_return_instruction): Likewise.
25422 (output_func_{prologue,epilogue}): Likewise.
25423 (output_expand_prologue): Likewise.
25425 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25426 (*strsi_predec): Renamed from *strqi_predec.
25427 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25428 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25430 * arm.c (arm_override_options): Remove warning about PIC code
25431 not being supported.
25433 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25435 * rs6000.c (find_addr_reg): New function.
25436 * rs6000.h (find_addr_reg): Declare.
25437 (offsettable_addr_operand): Delete.
25438 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25439 from and stores to GPRs.
25441 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25443 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25444 gen_sequence as argument to emit_no_conflict_block.
25446 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25448 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25449 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25450 *fixinc/fixincl.x: regen
25451 *fixinc/inclhack.sh: regen
25453 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25455 * added support for -mpcrel (PC relative addressing for m68k)
25456 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25457 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25458 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25459 (comments for general_src_operand): Add some explanation
25460 about EXTRA_CONSTRAINTS.
25461 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25462 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25463 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25464 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25465 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25466 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25467 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25468 if not already set.
25469 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25470 * m68k.h (TARGET_PCREL): New target flag.
25471 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25472 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25473 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25474 contains a SYMBOL_REF. Relax this constraint during reload, since
25475 we want to use the predicates, not reload's built-in concept of a
25476 valid memory address, to control what insns need reloading.
25477 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25478 operands (essentially 'g', 'm', and 's' under normal circumstances).
25479 * m68k.c (print_operand): Cause printing of pc-relative addresses
25480 to include pc register.
25481 (print_operand_address): Ditto.
25482 (general_src_operand): Accept operands that are not only
25483 general_operands, but are also valid when used as a pc-relative
25485 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25486 (memory_src_operand): Similar, for memory_operands.
25487 (pcrel_address): New predicate to accept the special case of a
25488 pc-relative address.
25489 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25490 QImode insns to accept *_src_operand instead of *_operand where
25491 pc-relative operands can fit. For example, a pc-relative operand
25492 can be used as a memory source operand for addsi3, but not as a
25493 memory destination.
25494 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25496 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25498 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25499 .thumb_set pseudo op to mark aliases of thumb functions.
25501 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25503 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25504 preference to ASM_OUTPUT_DEF, if it is defined.
25506 * tm.texi: Document new, optional target macro
25507 ASM_OUTPUT_DEF_FROM_DECLS.
25509 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25511 * fixincludes: ISCNTL patch
25512 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25513 (dgux_int_varargs): new for DG/UX
25514 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25516 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25518 * invoke.texi (ia32 options): Fix typo.
25520 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25522 * loop.c (strength_reduce): When doing biv->giv conversion, update
25523 reg note of NEXT->insn.
25525 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25527 * loop.c (move_movables): Note issues with replacing REGs with
25529 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25531 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25533 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25535 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25536 the reference to `mcount' was not correct for the ELF on FreeBSD.
25538 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25540 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25543 (recombine_givs): Set ix field after sorting.
25545 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25547 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25548 to safe to extract a subword out of a REG.
25550 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25552 * sh.md (mulsi3): Don't add a no-op move at the end.
25554 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25556 * cse.c (cse_insn): Don't put hard register source into tables for
25557 the last insn of a libcall.
25559 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25561 * loop.c (strength_reduce): Insert sets of derived givs at every
25562 biv increment, even if it's the only one.
25564 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25566 * dwarfout.c (add_incomplete_type): New fn.
25567 (output_type): Call it.
25568 (retry_incomplete_types): New fn.
25569 (dwarfout_finish): Call it.
25571 From Eric Raskin <ehr@listworks.com>:
25572 (output_type): Output types for bases.
25574 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25576 * mips.c (mips_output_conditional_branch): Add `break'
25577 between `default' label and `close braces'.
25579 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25581 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25582 specifications and make it realistic.
25583 (LIB_SPEC): Likewise.
25585 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25587 * config/mips/mips.c (mips_secondary_reload_class): Check for
25588 (PLUS (SP) (REG)) and return appropriate register class.
25589 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25590 Handle (PLUS (SP) (REG)).
25591 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25592 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25593 of emit_insn for tablejump.
25595 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25597 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25598 asm_fprintf format string by itself.
25599 (output_function_profiler): Likewise.
25601 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25603 * combine.c (simplify_logical, case AND): Only call
25604 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25605 or the constant is positive.
25607 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25609 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25610 * configure: Regenerate.
25612 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25614 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25615 require a sub-version #.
25616 * configure: Rebuilt.
25618 1999-06-14 Robert Lipe (robertlipe@usa.net)
25620 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25622 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25624 * c-typeck.c (process_init_element): Detect excess elements in
25625 char array initializer.
25627 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25629 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25631 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25633 * invoke.texi (Option Summary): Add -fpermissive flag.
25635 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25637 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25638 that require PIC code sequences.
25640 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25642 * configure.in: Add new target: thumb-elf.
25643 * configure: Regenerate.
25644 * config/arm/t-thumb-elf: New file: Makefile fragment for
25646 * config/arm/telf.h: New file: Header file for thumb-elf
25649 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25651 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25652 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25653 initializers is some circumstances.
25655 * fixinc/inclhack.def (endif_label): Add additional selector for
25656 more bogus stuff after #endif statements.
25657 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25659 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25661 * i386/cygwin.h (SET_ASM_OP): Define.
25663 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25665 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25667 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25669 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25672 * sh.md (ic_invalidate_line_i): Remove second alternative.
25674 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25676 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25677 test for the presence of valid prototypes. Delete bypass expr.
25678 (ioctl_fix_ctrl): Correct the selection expression.
25679 (no_double_slash): Correct quoting rules
25680 *fixinc/fixincl.x: regen
25681 *fixinc/inclhack.sh: regen
25683 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25685 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25687 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25689 * rs6000.md (movsi_got_internal_mem): Delete.
25690 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25691 (GOT_TOC_REGNUM): Delete.
25692 (PIC_OFFSET_TABLE_REGNUM): Define.
25693 (FINALIZE_PIC): Disable.
25694 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25695 (rs6000_replace_regno): Delete.
25696 (rs6000_finalize_pic): Likewise.
25697 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25699 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25701 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25702 is a note; use <= for the compare; advance P while it is
25705 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25707 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25708 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25710 * varasm.c (remove_from_pending_weak_list): Verify t->name
25711 is non-NULL before passing it to strcmp.
25713 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25715 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25716 the typed arguments are not part of a comment
25717 (ioctl_fix_ctrl): Added a purpose comment
25718 *fixinc/fixincl.x: regenerate
25719 *fixinc/inclhack.sh: regenerate
25721 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25723 * invoke.texi: Add C4x invocation docs.
25725 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25727 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25729 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25731 (c4x_legitimize_reload_address): New function.
25732 * config/c4x/c4x.md: Update docs.
25734 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25736 * fixincludes: Avoid removing '.'.
25737 * fixinc/fixinc.svr4: Likewise.
25738 * fixinc/fixinc.winnt: Likewise.
25739 * fixinc/inclhack.tpl: Likewise.
25740 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25742 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25744 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25746 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25748 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25750 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25753 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25755 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25756 * configure: Regenerate.
25758 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25760 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25763 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25765 * fixinc/inclhack.def (avoid_bool): Also catch
25766 "typedef [unsigned] int bool".
25767 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25769 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25770 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25771 * configure: Rebuilt.
25773 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25775 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25776 such that we can override its definitions if necessary.
25777 (CPP_SPEC): New define. Support processor specific predefines via
25779 (CC1_SPEC): New define. Support processor specific compiler
25780 options via %(cc1_cpu).
25781 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25784 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25786 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25787 between sed's -e flag, and the open-quote following it.
25788 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25790 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25791 Jeffrey A Law (law@cygnus.com)
25793 * varasm.c (assemble_start_function): Remove the function
25794 from the pending weak decls list when we define a function.
25795 (assemble_variable): Similarly for variables.
25796 (weak_finish): Ignore items on the list with a NULL name.
25797 (remove_from_ending_weak_list); New function to "remove" an item
25798 from the pending weak declarations list.
25800 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25802 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25804 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25806 * c-lex.c (GETC): Redefine to call getch.
25807 (UNGETC): Redefine to call put_back.
25808 (putback_buffer): New structure type.
25809 (putback): New static structure.
25810 (getch): New function.
25811 (put_back): New function.
25812 (yylex): Replace unused bytes from bad multibyte character.
25814 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25816 * cpplib.c (do_define): Cast `alloca' return value.
25817 (do_include, do_undef, do_pragma): Likewise.
25818 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25820 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25821 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25823 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25825 * sparc.md (abstf2): This should be an expand.
25826 (split after abstf2_notv9): Fix mode.
25827 (abstf2_hq_v9): New pattern.
25828 (abstf2_v9): Only use when no hard quad.
25829 (absdf2_v9): Fix if target is not the same as source.
25830 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25831 Add correct output constraints.
25833 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25835 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25836 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25838 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25840 * mips.h (mips_output_conditional_branch): New function.
25841 (mips_adjust_insn_length): Likewise.
25842 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25843 (ADJUST_INSN_LENGTH): Likewise.
25844 * mips.c (print_operand): Add `F' and `W' for floating-point
25845 comparison opcodes.
25846 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25848 (mips_adjust_insn_length): New function.
25849 (mips_output_conditional_branch): New function.
25850 * mips.md (length): Adjust attribute definition to handle
25851 conditional branches. Change lengths to bytes, rather than
25852 instructions throughout. Remove length attribute from
25853 instructions whose length is four bytes, and rely on the default
25855 (dslot): Fix typo in comment.
25856 Reword conditional branch patterns to use
25857 mips_output_conditional_branch.
25859 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25861 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25862 (LIB_SPEC): Likewise.
25863 Link with -lprof1_r for -g/-pg.
25865 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25867 * loop.c (check_dbra_loop): Fix change of Jan 19.
25869 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25871 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25872 (STARTFILE_SPEC): Define, override the svr4.h version.
25873 (ENDFILE_SPEC): Likewise.
25875 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25877 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25878 * fixinc/fixincl.x: Regenerated.
25879 * fixinc/inclhack.sh: Regenerated.
25881 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25883 * sh.c (barrier_align): Don't return early for normal branch/barrier
25884 when optimizing for SH2.
25886 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25888 * i386/udk.h (LINK_SPEC): Correct linker search path for
25891 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25893 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25894 (braf_label_ref_operand): Delete.
25895 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25896 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25897 label_ref, and has no predicate.
25898 The patten has a predicate to guard against invalid substitutions.
25899 (dummy_jump): Delete.
25900 (casesi): Update use of casesi_jump_2.
25902 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25904 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25905 *fixinc/fixincl.x: regenerate
25906 *fixinc/inclhack.sh: regenerate
25908 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25910 * dwarf2out.c (add_incomplete_type): New fn.
25911 (gen_struct_or_union_type_die): Call it.
25912 (retry_incomplete_types): New fn.
25913 (dwarf2out_finish): Call it.
25915 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25917 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25918 current block starts with a CODE_LABEL and ends with a CALL and
25919 we can not find all the argument setup instructions for the CALL.
25921 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25923 Revert this change:
25924 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25925 something is a candidate for optimize_bit_field_compare.
25927 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25929 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25931 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25933 * alpha.c (override_options): Thinko in last patch.
25935 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25936 (LIB_SPEC): Recognize -pthread.
25938 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25940 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25941 definition in config/arm/coff.h
25942 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25944 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25946 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25947 fixes that need "file=xxx\n" prepended before invocation
25948 (start_fixer - new): starting the fixer process is complex enough
25949 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25950 (process): uses the new routine; omit usage of putenv()
25951 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25952 * fixinc/fixincl.x: regenerate
25954 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25956 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25957 and version #s (1.1 -> 2.96) as needed.
25958 * README.g77: Kill way out of date file in the toplevel directory.
25960 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25962 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25963 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25964 * configure: Rebuilt.
25965 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25966 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25967 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25968 (SWITCH_TAKES_ARG): Likewise.
25969 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25970 * config/t-freebsd: Moved from config/i386/ so it can used for all
25973 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25975 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25977 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25979 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25980 * configure: Rebuilt.
25982 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25984 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25985 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25986 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25987 (rs6000_output_load_toc_table): Same.
25988 (output_prolog, output_mi_thunk): Same.
25989 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25990 (ASM_GLOBALIZE_LABEL): Use putc.
25992 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25994 * alpha.md (reload_*_help): New patterns and splitters.
25995 (reload_*): Use them.
25996 (mov[qh]i): Likewise.
25998 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26000 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26003 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26005 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26007 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26009 * flow.c (mark_regs_live_at_end, insn_dead_p,
26010 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26011 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26012 hasn't run or the frame pointer is needed.
26013 * haifa-sched.c (attach_deaths): Likewise.
26014 * sched.c (attach_deaths): Likewise.
26016 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26018 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26019 calculate_can_reach_end returns nonzero.
26021 * configure.in (native gas tests): Search for an assembler in the
26022 same manner that the installed compiler will.
26023 * configure: Rebuilt.
26024 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26026 * alias.c (find_base_term): Improve handling of addresses
26027 constructed from binary operations.
26029 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26031 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26033 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26035 * function.h (cleanup_label, frame_offset): Declare.
26036 (tail_recursion_label, tail_recursion_reentry): Likewise.
26037 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26038 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26039 (tail_recursion_label, tail_recursion_reentry): Likewise.
26040 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26042 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26044 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26046 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26047 (MAX_OFILE_ALIGNMENT): Define.
26049 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26051 * fixincl.c: Replace local include scheme with #includes of
26052 gansidecl.h and system.h.
26053 * procopen.c: Likewise.
26054 * server.c: Likewise.
26056 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26058 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26059 (crti.o): Add build rule and dependencies.
26060 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26062 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26064 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26065 (LIB_LINUX_SPEC): Likewise.
26066 (LIB_LINUX_SPEC): Add support for -pthread
26067 (CPP_OS_LINUX_SPEC): Likewise.
26068 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26071 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26073 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26075 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26076 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26077 for IEEE math and CC_FCOMI.
26078 (put_jump_code): No IEEE if CC_FCOMI is set.
26080 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26082 * fold-const.c (fold_truthop): Make the field reference unsigned
26083 when converting a single bit compare.
26085 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26087 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26089 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26091 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26092 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26095 * reload.c (push_reload): Do not call remove_address_replacements
26096 when presented with identical optional reloads.
26098 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26100 * alpha.h (MASK_FIX, TARGET_FIX): New.
26101 (MASK_*): Reorganize constants.
26102 (CPP_AM_FIX_SPEC): New.
26103 (TARGET_SWITCHES): Add FIX.
26104 (EXTRA_SPECS): Likewise.
26105 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26106 (SECONDARY_MEMORY_NEEDED): Likewise.
26107 (REGISTER_MOVE_COST): Likewise.
26108 * alpha.c (override_options): Add FIX support. Always use
26109 ALPHA_TP_PROG for ev6.
26110 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26111 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26112 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26114 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26116 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26117 something is a candidate for optimize_bit_field_compare.
26119 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26121 * gcc.texi (Passes): Document branch-shortening.
26122 * invoke.texi (Debugging Options): Document the fact that `-dp'
26123 outputs length information for instructions.
26125 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26127 * flow.c: Revert previous delta.
26129 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26131 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26132 FRAME_POINTER_REGNUM.
26133 (mark_set_1): Ditto.
26134 (mark_used_regs): Ditto.
26136 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26138 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26139 (GOT_PCREL): New macro. Define to 1 if not already defined.
26140 * arm/elf.h (GOT_PCREL): Define to 0.
26141 * arm.c (arm_finalize_pic): Take into account the setting of
26144 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26146 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26147 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26149 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26150 store elimination candidates.
26152 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26154 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26157 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26159 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26160 Add use of x-aix41-gld.
26162 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26164 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26165 (ASM_OUTPUT_DESTRUCTOR): Define.
26167 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26169 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26170 last CODE_LABEL in a loop if we have previously passed a jump
26171 to the top of the loop.
26173 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26175 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26176 applying Philip's patch.
26178 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26180 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26183 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26185 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26187 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26189 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26190 Also remove a useless comment.
26192 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26194 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26196 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26198 * collect2.c (main): Only generate import or export file and add
26199 to link arguments if non-empty. Use xmalloc not alloca.
26200 (write_{export,import}_file): Delete.
26201 (write_aix_file): New function.
26202 (locatelib): Use xmalloc not malloc.
26203 (GCC_OK_SYMBOL): Do not check type if aix64.
26205 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26207 Based on patch by Scott Bambrough and Pat Beirne:
26208 * config/arm/arm.c (making_const_table): New variable.
26209 * config/arm/arm.h (making_const_table): Declare.
26210 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26212 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26213 Keep track of when we are building the constant table.
26215 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26217 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26220 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26222 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26225 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26227 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26230 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26232 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26234 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26236 * rs6000.c (output_mi_thunk): Enable full support again.
26238 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26240 * sh.h (BRANCH_COST): Define.
26242 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26244 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26246 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26248 * function.c (assign_stack_local): Align stack slot propertly.
26249 (assign_outer_stack_local): Likewise.
26251 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26253 * expr.h (lang_expand_constant): Declare.
26254 * toplev.c (lang_expand_constant): Define it.
26255 * varasm.c (output_constant): Use it.
26257 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26259 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26260 Change function definitions to K&R style.
26262 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26264 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26266 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26268 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26269 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26270 (several places): omit static initialization
26271 (process): use single fd, since only the read fd is used
26272 * fixinc/gnu-regex.c: define 'const' away, if not supported
26273 * fixinc/procopen.c(several places): omit static initialization
26274 * fixinc/server.c: define 'volitile' away, if not supported
26276 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26278 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26279 asm_fprintf and %L to generate the label name.
26280 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26281 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26283 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26285 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26286 insn for a conditional jump can not be found.
26288 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26290 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26291 on variables in specific sections other than .sbss and .sdata.
26293 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26295 * stmt.c (expand_return): Call start_cleanup_deferral and
26296 end_cleanup_deferral around conditional code.
26298 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26300 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26301 filename lists. Utilizes new "krstr" AutoGen function.
26302 * fixinc/fixincl.x: Rebuilt.
26304 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26306 * i386.c (output_float_compare): Avoid GNU-C extensions.
26308 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26310 * version.c: Bump to distinguish mainline tree from the
26313 See ChangeLog.1 for earlier changes.