1 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3 * cpplex.c (cpp_idcmp): New function.
4 * cpplib.h: Prototype it.
5 * scan_decls.c (scan_decls): Use it to inspect token names.
6 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
7 the file being run through the preprocessor.
8 (check_macro_names): Provide length of token to cpp_defined.
10 * Makefile.in: Remove stale warning message.
12 * cppfiles.c (redundant_include_p): Provide length of token to
14 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
15 values are unsigned int.
16 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
17 (_cpp_lookup_slot): Do not calculate the hash, either.
18 * cpphash.h: Update prototypes.
19 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
20 Hashes are unsigned int. Calculate hash here, pass by value
23 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
25 * simplify-rtx.c (check_value_useless): Delete function.
26 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
28 (cselib_invalidate_regno): Likewise.
29 (cselib_invalidate_mem_1): Likewise.
30 (references_value_p): Recognize useless values by the fact that they
32 (discard_useless_values): Likewise.
33 (cselib_record_set): This may turn a useless value
36 2000-04-30 Richard Henderson <rth@cygnus.com>
38 * config/d30v: New port.
40 * configure.in (d30v-*): Set fp format.
43 2000-04-30 Richard Henderson <rth@cygnus.com>
46 * Makefile.in (OBJS): Add it.
47 (ifcvt.o): New target.
48 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
49 and conditional arithmetic.
50 (find_insert_position): Remove.
51 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
52 * toplev.c (DFI_ce, DFI_ce2): New.
53 (dump_file): Add ce and ce2 dumps.
54 (rest_of_compilation): Run if_convert a couple o times. Set
55 cse_not_expected after cse2. Don't set no_new_pseudos until
56 after sched1 or recompute_reg_usage.
58 2000-04-30 Richard Henderson <rth@cygnus.com>
60 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
61 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
63 2000-04-30 Richard Henderson <rth@cygnus.com>
65 * flow.c (struct reg_cond_life_info): New.
66 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
67 (init_propagate_block_info): Initialize them.
68 (free_propagate_block_info): Destruct them.
69 (mark_set_1): Consider conditional life before killing a register.
70 (mark_regno_cond_dead): New.
71 (free_reg_cond_life_info): New.
72 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
73 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
74 (mark_used_reg): Record conditional life.
76 * haifa-sched.c (schedule_insns): Disable death counting
77 sanity check for HAVE_conditional_execution.
79 2000-04-30 Richard Henderson <rth@cygnus.com>
81 * Makefile.in (TIMEVAR_H): New.
82 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
83 (timevar.h): Remove rule.
85 2000-04-29 Richard Henderson <rth@cygnus.com>
87 * config/alpha/crtend.asm: Use C comments instead of #.
88 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
90 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
92 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
94 * cpphash.h (enum node_type: Take out T_MCONST.
95 (union hashval): Move into struct hashnode.
96 (struct hashnode): Pack tighter. Remove file, line, col
98 * cpphash.c: Constify most of the macro-definition structures.
99 (struct definition): Replace by struct object_defn
100 and struct funct_defn. Put file, line, column information
101 here. All users updated to match.
102 (_cpp_create_definition, _cpp_macroexpand): Remove special
103 case for #define WORD OTHERWORD.
104 * cpplib.c (do_undef): Remove T_MCONST case.
106 * cpphash.h: Move struct reflist, struct definition, and the
107 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
108 union hashval. _cpp_free_definition takes a HASHNODE pointer.
109 * cpphash.c (_cpp_free_definition): Free data pointed to by
110 MCONST, XCONST, MACRO, and FMACRO nodes properly.
111 (_cpp_create_definition, del_HASHNODE): Just call
112 _cpp_free_definition to clear out a hashnode.
113 * cpplib.c (do_pragma_poison): Likewise.
115 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
117 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
118 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
119 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
120 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
121 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
122 REGNO_AM33_P): Redefine in terms of the new macros.
123 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
124 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
125 STRUCT_VALUE): Likewise.
126 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
127 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
129 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
131 * regmove.c (struct record_stack_memrefs_data): New.
132 (record_stack_memrefs): New function.
133 (combine_stack_adjustments_for_block): Use it.
135 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
137 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
138 use special_function_p to detect alloca.
140 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
142 * gcc.texi: Fixes for makeinfo 4.0 --html.
144 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
146 * pcp.h: Delete file.
148 2000-04-28 Kazu Hirata <kazu@hxi.com>
150 * h8300.c (function_epilogue): Clean up flags when the last insn
151 in a function is a barrier.
153 2000-04-28 Chris Demetriou <cgd@sibyte.com>
155 * configure.in (sparc-hal-solaris2*): protect [] glob from
157 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
158 rather than hard-coded constants in target_cpu_default2.
159 * configure: Regenerate.
161 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
163 * tree.c (get_callee_fndecl): Extract the initial value from
166 2000-04-28 Richard Henderson <rth@cygnus.com>
168 * varasm.c (record_constant_1): Record the CODE_LABEL when
169 taking the address of a LABEL_REF.
171 2000-04-28 Richard Henderson <rth@cygnus.com>
172 Jan Hubicka <jh@suse.cz>
174 * calls.c (combine_pending_stack_adjustment_and_call): Return the
175 adjustment; don't do the stack adjust.
176 (expand_call): Call compute_argument_block_size right before
177 allocating the block; update comment; don't do alignment sanity
178 checking for sibling call; use args_size instead of
179 unadjusted_args_size before args_size is adjusted. Use
180 combine_pending_stack_adjustment_and_call to compute stack adjust
181 for must_preallocate case.
183 * expr.c (push_block): Remove shadow `temp' in inner scope.
185 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
187 * toplev.c (rest_of_compilation): Call
188 note_deferral_of_defined_inline_function even if the function
191 2000-04-28 Scott Bambrough <scottb@netwinder.org>
193 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
195 2000-04-28 Richard Henderson <rth@cygnus.com>
197 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
199 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * timevar.c (init_timevar): DeANSIfy function definition.
203 2000-04-27 Alex Samuel <samuel@codesourcery.com>
205 * Makefile.in (timevar.o): Depend on flags.h.
206 * timevar.c (unused_stack_instances): New variable.
207 (timevar_push): Take a timevar_stack_def from
208 unused_stack_instances if available.
209 (timevar_pop): Push the popped timevar_stack_def onto
210 unused_stack_instances.
211 (TIMEVAR_ENABLE): New macro.
212 (timevar_def): Make standalone a 1-bit field. Add field used.
213 (get_time): Rename parameter to now. Return after clearing it if
215 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
216 (timevar_pop): Likewise.
217 (timevar_stop): Likewise.
218 (timevar_push): Likewise. Mark the timing variable as used.
219 (timevar_start): Likewise.
220 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
221 timevars that were never used.
223 2000-04-27 Mark Mitchell <mark@codesourcery.com>
225 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
226 always TREE_READONLY.
228 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
230 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
231 for call instruction with mode QImode.
233 2000-04-27 Alex Samuel <samuel@codesourcery.com>
235 * Makefile.in (OBJS): Add timevar.o.
236 (toplev.o): Depend on timevar.h.
237 (ggc-simple.o): Likewise.
238 (ggc-page.o): Likewise.
239 (timevar.o): New rule.
240 (timevar.h): New rule.
242 * timevar.h: New file.
243 * timevar.c: Likewise.
244 * timevar.def: Likewise.
246 * toplev.h (gc_time, parse_time, varconst_time): Remove.
247 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
249 (TIMEVAR): Remove macro.
250 (gc_time, parse_time, varconst_time, integration_time, jump_time,
251 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
252 flow_time, combine_time, regmove_time, sched_time,
253 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
254 sched2_time, dbr_sched_time, reorder_blocks_time,
255 rename_registers_time, shorten_branch_time, stack_reg_time,
256 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
258 (compile_file): Don't initialize time variables. Call
259 init_timevar and start TV_TOTAL timer. Call timevar_print instead
260 of many calls to print_time.
261 (rest_of_compilation): Add timing for reload_cse_regs.
262 (get_run_time): Removed to timevar.c.
263 (print_time): Likewise.
264 (get_run_time): Implement using TV_TOTAL time variable.
265 (print_time): Get total run time from get_run_time.
266 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
267 computing elapsed time explicitly.
268 * ggc-simple.c (ggc_collect): Likewise.
269 (gc_time): Remove declaration.
271 2000-04-27 Mark Mitchell <mark@codesourcery.com>
273 * calls.c (combine_pending_stack_adjustment_and_call): New function.
274 (expand_call): Use it.
276 2000-04-27 Jan Hubicka <jh@suse.cz>
278 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
281 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
283 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
286 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
288 * function.c (epilogue_done): Pass whole insn to record_insns.
290 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
292 * cse.c (CSE_ADDRESS_COST): Remove.
293 (find_best_addr): Add new parameter "MODE", use address_cost instead
296 (fold_rtx): Update call of find_best_addr.
297 * rtl.h (address_cost): Declare.
298 * loop.c (general_induction_var): Add new parameter "MODE", use
299 address_cost instead of ADDRESS_COST
300 (init_loop): Use address_cost instead of ADDRESS_COST.
301 (check_insn_for_givs): Update call of general_induction_var.
302 (find_mem_givs): Likewise.
303 (consec_sets_giv): Likewise.
304 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
305 * i386.c (ix86_address_cost): New.
306 * i386-protos.h (ix86_address_cost): Declare.
308 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
310 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
313 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
315 * expr.c (store_expr): Use clear_storage instead of direct memset
318 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
320 * config/mn10300/mn10300.c (mn10300_address_cost): Test
321 ASHIFT, AND and LABEL_REF.
323 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
325 * invoke.texi (-foptimize-sibling-calls): Fix.
327 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
329 * loop.c (load_mems) Don't use hard registers for the hoisting.
331 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
332 calculation; rename const_equiv array in the preconditioning code
333 from loop_unroll to loop_unroll_precondition
335 2000-04-27 Richard Henderson <rth@cygnus.com>
337 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
339 (propagate_one_insn): Clear it. Don't update reg_live here.
340 (init_propagate_block_info): Update for pbi member changes.
341 (free_propagate_block_info): Likewise.
342 (mark_set_1): Know that zero_extract, sign_extract, and
343 strict_low_part don't kill their argument. Alter hard subregs.
344 Update new_set for non-CLOBBER sets. Update reg_live.
345 (find_auto_inc): Update reg_live, not new_dead.
346 (mark_used_reg): Update reg_live, not new_live. Examine new_set
347 to determine if the reg in question was set this insn. Only update
348 reg info with PROP_REG_INFO.
350 2000-04-26 Richard Henderson <rth@cygnus.com>
352 * flow.c (allocate_reg_life_data): Set max_regno here ...
353 (life_analysis): ... not here.
355 * flow.c (calculate_global_regs_live): Force stack pointer
358 2000-04-26 Richard Henderson <rth@cygnus.com>
360 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
361 commit change group changes.
362 (invert_exp_1): Similarly.
363 (redirect_exp, invert_exp): Use them.
364 (redirect_jump_1): New.
365 (invert_jump_1): New.
366 (jump_optimize_1): Remove code subsumed by condexec.c.
367 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
369 2000-04-26 Richard Henderson <rth@cygnus.com>
371 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
373 * genconfig.c (main): Set all HAVE_foo to 1.
375 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
377 2000-04-26 Alex Samuel <samuel@codesourcery.com>
379 * invoke.texi: Document -fssa flag.
381 2000-04-26 Richard Henderson <rth@cygnus.com>
383 * flow.c (count_reg_sets_1): Remove.
384 (count_reg_sets, count_reg_references): Remove.
385 (recompute_reg_usage): Implement with update_life_info.
386 Reallocate life data.
388 2000-04-26 Richard Henderson <rth@cygnus.com>
390 * flow.c (update_life_info): Consider blocks null to mean the
392 (calculate_global_regs_live): Likewise.
393 (life_analysis): Do that instead of collecting all_blocks.
395 2000-04-26 Richard Henderson <rth@cygnus.com>
397 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
398 a still-valid conditional jump.
400 2000-04-26 Richard Henderson <rth@cygnus.com>
402 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
404 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
405 * flow.c (calculate_loop_depth): Remove.
406 * output.h (calculate_loop_depth): Don't declare.
407 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
408 inline; run estimate_probability at the same time.
410 2000-04-26 Neil Booth <NeilB@earthling.net>
412 * cpplib.h: "~=" is not a single pp-token.
413 * cpplex.c: Correct commentary.
415 2000-04-26 Richard Henderson <rth@cygnus.com>
417 * flow.c (mark_set_1): New arguments code and flags; update all
418 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
419 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
420 loop_depth when optimizing for size. Do new_dead update after
421 emitting REG_UNUSED notes. Merge mark_set_reg code.
422 (mark_set_reg): Remove.
423 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
424 arrange to not emit REG_UNUSED notes.
426 2000-04-26 Richard Henderson <rth@cygnus.com>
428 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
429 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
431 2000-04-26 Richard Henderson <rth@cygnus.com>
433 * flow.c (propagate_one_insn): Break out from propagate_block.
434 (init_propagate_block_info): Likewise.
435 (free_propagate_block_info): Likewise.
436 (propagate_block): Use them. Export.
437 * basic-block.h: Declare them all.
439 2000-04-26 Richard Henderson <rth@cygnus.com>
441 * basic-block.h (life_analysis): Declare here ...
442 * output.h: ... not here.
443 * flow.c (life_analysis): Remove nregs parameter; replace
444 remove_dead_code with flags. Remove ssa dead code check.
445 Only init alias analysis if we'll use it.
446 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
447 * ssa.c (convert_to_ssa): Likewise.
448 (convert_from_ssa): Likewise.
449 * toplev.c (rest_of_compilation): Likewise.
451 2000-04-26 Richard Henderson <rth@cygnus.com>
453 * flow.c (flow_delete_block): Rename from delete_block. Export.
454 * basic-block.h (flow_delete_block): Declare.
456 2000-04-26 David S. Miller <davem@redhat.com>
458 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
459 taking a PATTERN of it.
461 2000-04-26 <NeilB@earthling.net>
463 * cpplex.c (spell_other, spell_char): Remove.
465 (token_spelling, trigraph_map): Use unsigned chars.
466 (_cpp_lex_line): Tidy up the switch statement.
467 * cpplib.h: Implement spell_char with spell_string.
470 2000-04-26 <RodneyBrown@pmsc.com>
472 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
473 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
475 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
477 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
478 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
479 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
480 dwarf2out_return_save, dwarf2out_return_reg,
481 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
482 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
483 gen_compile_unit_die, dwarf2out_init): Constify a char*.
485 * dwarf2out.h (dwarf2out_init): Likewise.
487 * dwarfout.c (filename_entry, primary_filename, last_filename,
488 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
490 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
491 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
492 dwarf2out_return_reg): Likewise.
494 2000-04-26 Andreas Jaeger <aj@suse.de>
496 * extend.texi (Function Attributes): Fix description of pure
499 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
501 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
502 before calling rest_of_compilation.
504 2000-04-26 Andreas Jaeger <aj@suse.de>
506 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
509 2000-04-25 Richard Henderson <rth@cygnus.com>
511 * cse.c (cse_insn): Emit barrier after unconditional jump.
513 * calls.c (expand_call): Disable tail call generation once
514 rtx_equal_function_value_matters is false.
516 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
519 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
521 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
523 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
525 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
526 is the primary DIE for a member function.
527 (gen_decl_die): Call set_decl_origin_self here.
528 * dwarfout.c (output_decl): And here.
529 * integrate.c (output_inline_function): Not here.
530 Don't clear DECL_INLINE until after calling rest_of_compilation.
531 (set_decl_origin_self): No longer static.
532 * tree.h: Add prototype.
533 * toplev.c (note_deferral_of_defined_inline_function): Only write
534 out abstract instance for actual inlines.
536 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
538 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
539 EXTENDED_REGS only if TARGET_AM33.
540 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
541 SP_REGS to register allocation and reloading unless absolutely
543 (movsi3): Remove special-case of adding non-constants to SP.
545 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
548 INCLUDES to search and does not provide any of its own. Also it
549 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
550 parameters. Also it does not call AC_DEFINE.
551 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
552 AC_DEFINE and provides for automatic entries for autoheader.
553 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
555 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
556 so we can pass -I flags and include gansidecl.h/system.h in this
559 * acconfig.h: Delete all NEED_DECLARATION_* entries.
561 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
563 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
564 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
565 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
567 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
568 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
569 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
570 for these macros. Clean up spacing and linewraps.
572 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
574 * calls.c (expand_call): Use get_callee_fndecl.
576 * print-tree.c (print_node): Print the chain of an _EXPR.
578 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
579 Jim Wilson <wilson@cygnus.com>
580 Andrew Haley <aph@cygnus.com>
582 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
583 and gp save/restore problems.
584 * config/ia64/crtend.asm: Add IA-64 unwind support.
585 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
586 in fr_pad_size calculation.
587 (save_restore_insns): Move PR save area. Correct uses of
589 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
590 (ia64_expand_epilogue): Add eh_epilogue support.
591 (ia64_function_prologue): Emit .prologue directive.
592 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
593 (ia64_override_options): Set init_machine_status and
595 (rtx_needs_barrier): Handle bsp reads and writes.
596 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
597 New static variables.
598 (process_set, process_for_unwind_directive): New functions.
599 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
600 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
601 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
603 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
604 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
605 (struct machine_function): Define.
606 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
608 2000-04-25 Bruce Korb <bkorb@gnu.org>
610 * fixinc/Makefile.in: make the removal of old programs more
612 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
613 install-bin and install-sh
615 2000-04-25 Nick Clifton <nickc@cygnus.com>
617 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
618 defined, define to return zero.
619 (function_cannot_inline_p): If a function has any target
620 specific attributes, then use the macro
621 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
622 whether it can be inlined. If it cannot, issue a suitable
625 * tm.texi: Add a new node 'Inlining' to document the new macro
626 FUNCTION_ATTRIBUTE_INLINABLE_P.
628 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
630 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
633 2000-04-25 Neil Booth <NeilB@earthling.net>
635 Restore previous patch, plus the following fixes:
637 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
638 flags, not CPP_OPEN_PAREN.
639 * cpplex.c (expand_token_space, init_token_list,
640 cpp_free_token_list): Put the dummy token at list->tokens[-1].
641 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
643 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
645 * config/i386/freebsd.h (INT_ASM_OP): Define.
647 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
649 * loop.c (strength_reduce): Fix typo in the last checkin.
651 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
653 * stor-layout.c (finalize_record_size): Simplify to use existing
655 (compute_record_mode): No longer static.
656 * tree.h (compute_record_mode): New declaration.
658 2000-04-25 Neil Booth <NeilB@earthling.net>
660 * Revert my patch below until cause of build failures
663 2000-04-25 Richard Henderson <rth@cygnus.com>
665 * combine.c (combine_instructions): Add missing argument
668 * toplev.c (rest_of_compilation): Delay sibcall optimization
669 until after emit_eh_context.
671 2000-04-24 Nick Clifton <nickc@redhat.com>
673 * combine.c (combine_instructions): Do not try to combine a
674 sequence of insns when the second insn has been replaced by a
677 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
679 * gcc.c (load_specs): New static function.
680 (read_specs): Use it.
682 * gcc.c (lookup_compiler): Make multiple passes for case
683 insensitive filesystems.
685 2000-04-24 Neil Booth <NeilB@earthling.net>
687 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
688 * cpphash.h (_cpp_check_directive): new.
689 * cpplex.c (handle_newline, cpp_free_token_list,
690 init_trigraph_map, trigraph_ok, trigraph_replace,
691 backslash_start, skip_block_comment, skip_line_comment,
692 skip_whitespace, parse_name, parse_number, parse_string,
693 copy_comment, _cpp_lex_line, spell_char, spell_string,
694 spell_comment, spell_name, spell_other, _cpp_lex_file,
695 _cpp_output_list): new.
696 (expand_name_space): take length argument.
697 (init_token_list): add comment list initialisation.
698 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
699 instead of HSPACE_BEFORE.
701 * cpplib.c (_cpp_check_directive): new
702 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
703 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
704 (HSPACE_BEFORE): delete.
705 (TTYPE_TABLE): rearrange.
706 (struct cpp_toklist): update.
708 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
710 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
711 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
712 argument form of AC_DEFINE.
714 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
715 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
716 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
717 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
718 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
720 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
722 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
725 deduced.h): Use -isystem, not -I, for including system headers.
727 2000-04-24 Nick Clifton <nickc@cygnus.com>
729 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
730 the source register is the frame pointer or arg pointer.
731 (addsi3_small_int): Disallow if source register is the frame
732 pointer or arg pointer.
734 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
737 call to AC_MSG_RESULT.
739 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
741 * invoke.texi: Correct grammatical errors, document
742 -fno-gnu-keywords as identical to -fno-asm for C++.
744 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
747 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
748 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
749 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
750 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
752 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
753 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
754 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
755 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
758 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
760 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
761 (pop_alignment): Likewise.
762 (handle_pragma_token): Likewise.
764 2000-04-24 Robert Lipe <robertlipe@usa.net>
766 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
768 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
770 * combine.c (try_combine): Update reg_nonzero_bits of
771 newi2pat before newpat.
773 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
775 * loop.c (strength_reduce): Simplify test to INSN_P.
776 (record_giv): Attempt to simplify the add value, use CONSTANT_P
777 expressions instead of CONST_INT.
778 (express_from_1): Likewise.
780 2000-04-24 Mark Mitchell <mark@codesourcery.com>
782 * regs.h (reg_n_max): Don't declare.
783 * flow.c (reg_n_max): Don't define.
784 * regclass.c (renumber): Don't initialize to zero.
785 (regno_allocated): Likewise.
787 (allocate_reg_info): Don't initialize unnecessarily.
789 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
791 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
792 and blockage_p in the newly allocated attribute.
794 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
796 * config/mn10300/mn10300.md (addsi): `inc4' on address
797 registers does not modify cc, but `inc' on an extended
800 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
802 * reload.c (find_equiv_reg): Checks all valueno regs
803 as a reload_reg_p regs.
805 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
807 * cpphash.c (collect_objlike_expansion): Add sanity check.
808 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
809 the buffer is the empty string, return. Mark __DATE__ and
810 __TIME__ as XCONST nodes, not MCONST.
811 (_cpp_macroexpand): Avoid pushing an empty buffer.
812 (funlike_macroexpand): Don't pop token_buffer here.
814 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
816 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
817 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
818 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
819 (REGNO_OK_FOR_BASE_P): Define in terms of them.
820 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
821 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
822 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
824 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
826 * loop.c (simplify_giv_expr): Be more agressive on simplifying
829 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
831 * cpphash.h (struct definition): Move file, line, col members...
832 (struct hashnode): ... here. Also add 'disabled' flag.
833 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
834 T_IDENTITY. Remove T_DISABLED.
837 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
838 (collect_expansion): Split into collect_objlike_expansion and
839 collect_funlike_expansion.
840 (_cpp_macroexpand): Split out scan_arguments, stringify, and
842 (_cpp_compare_defs): Rename compare_defs, make static.
843 (_cpp_make_hashnode): Initialize hp->disabled.
844 (macro_cleanup): Adjust for new token types. Clear
846 (_cpp_create_definition): Move code here to determine what
847 sort of macro it is, and code to check for redefinitions, from
848 do_define. Implement a few simple cases without creating a
850 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
851 Handle the simple cases.
852 (push_macro_expansion): Set buf->has_escapes and hp->disabled
855 * cppinit.c (builtin_array): Change MCONST to XCONST
857 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
858 fix check for disabled and function-like macros.
859 * cpplib.c (do_define): Move most logic to
860 _cpp_create_definition.
861 (do_undef): Handle new special token types.
863 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
865 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
866 of CONSTANT_P for mult_val; always use validate_change to update insn.
868 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
870 * cpphash.c (trad_stringify, add_pat): New functions.
871 (collect_expansion): Restore support for -traditional syntax.
872 Use trad_stringify and add_pat.
873 (_cpp_macroexpand): Restore support for -traditional semantics.
874 * cpplex.c (_cpp_scan_line): Don't change space_before if we
876 (_cpp_lex_token): Provide COMMENT tokens to caller if
877 traditional and parsing_define_directive.
878 (skip_comment): Warn about // comments if -Wtraditional.
879 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
881 (do_undef): Don't warn about undefining EMPTY nodes.
883 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
885 * loop.c (strength_reduce): Fix biv removal code.
887 2000-04-22 Richard Henderson <rth@cygnus.com>
889 * predict.c (estimate_probability): Examine both sides of
890 a branch for no exits. Use 90% not 50% for predict taken.
891 Reorg for one copy of note generation code.
893 2000-04-22 Richard Henderson <rth@cygnus.com>
895 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
897 2000-04-22 Richard Henderson <rth@cygnus.com>
899 * diagnostic.c (init_output_buffer): Don't initialize format_args.
900 (output_clear): Likewise.
901 (output_printf): Use va_copy.
902 (vline_wrapper_message_with_location): Likewise.
903 (v_message_with_decl): Likewise.
904 (line_wrapper_printf): VA_START infor buffer.format_args directly.
905 * system.h (va_copy): Provide default implementation.
907 2000-04-22 Richard Henderson <rth@cygnus.com>
909 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
910 the collected condition is not a constant.
912 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
914 * diagnostic.h: New file.
916 * Makefile.in (diagnostic.o): Depends on diagnostic.h
918 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
919 various function prototypes.
920 (diagnostic.h): #include.
921 (struct output_buffer): Move into diagnostic.h.
922 (get_output_prefix): Rename to output_get_prefix. Export.
923 (init_output_buffer): Export. Break out. Ajust intialization.
924 (output_space_left, output_append): Export.
925 (output_newline): Rename to output_add_newline. Export.
926 (output_clear): Nullify additional output_buffer fields.
927 (output_puts): Rename to output_add_string. Export.
928 (dump_output): Rename to output_flush_on. Export.
929 (build_location_prefix): Constify return-type.
930 (emit_output_prefix): Rename to output_emit_prefix. Export.
931 (set_real_maximum_length): New function.
932 (output_set_maximum_length): Ditto
933 (output_clear): Ditto.
934 (output_add_character): Ditto.
935 (output_add_integer): Ditto.
936 (output_add_space): Ditto.
937 (output_format): Ditto.
938 (output_printf): Adjust buffer initialization.
939 (vline_wrapper_message_with_location): Ditto.
940 (v_message_with_decl): Ditto. Adjust call to output_puts
941 and get_output_prefix.
942 (default_print_error_function): Adjust buffer intialization.
944 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
946 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
949 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
951 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
954 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
956 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
957 accurate data about SP moves.
959 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
961 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
962 aliases to AM33 registers.
964 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
966 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
967 to all EXTENDED bitmaps.
969 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
971 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
972 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
973 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
975 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
977 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
978 the operand is not constant.
980 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
982 * reload.c (find_equiv_reg): Checks all valueno and regno regs
983 as a call-clobbered regs.
985 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
987 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
989 * rtl.def: Update comment.
990 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
991 * integrate.c (expand_inline_function): Likewise.
992 * profile.c (branch_prob): Likewise.
993 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
994 * print-rtl.c (print_rtx): Likewise.
995 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
996 (reemit_notes): Likewise; also use enum insn_note.
998 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
999 (place_field): Properly compute know and actual alignment.
1001 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1004 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1007 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1009 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1010 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1011 (collect_expansion): Rewrite to scan over a token list.
1012 Remove -traditional support.
1013 (collect_formal_parameters): Rename to collect_params; rewrite
1014 to scan over a token list.
1015 (_cpp_create_definition): Adjust to scan a token list.
1016 (_cpp_macroexpand): Remove -traditional support.
1017 (_cpp_compare_defs): Whitespace is now canonicalized.
1018 (comp_def_part): Delete function.
1020 * cpphash.h: Update prototypes.
1021 * cpplex.c (init_token_list): Don't set lineno if there is no
1023 (pedantic_whitespace): New function.
1024 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1025 consume a newline. Use pedantic_whitespace.
1026 (_cpp_lex_token): Remove support for -traditional macros.
1027 (_cpp_get_define_token): Delete.
1028 (_cpp_get_directive_token): Do the real work here. Use
1029 pedantic_whitespace.
1030 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1032 * cpplib.c (get_macro_name): Delete.
1033 (do_define): Read the entire line into pfile->directbuf, then
1034 feed the token list to _cpp_create_definition.
1035 * cpplib.h (HSPACE_BEFORE): new define.
1036 (struct cpp_reader): Add a toklist member, "directbuf".
1038 * predict.c (estimate_probability): New heuristic: if a jump
1039 branches around a block with no successors, predict it taken.
1040 Disentangle control flow.
1042 2000-04-20 Richard Henderson <rth@cygnus.com>
1044 * loop.c (emit_iv_add_mult): Revert last change.
1046 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1048 * cpplib.h (enum cpp_ttype): Add token types for all
1049 punctuators. Distinguish pp-numbers from valid C numbers.
1050 Give some tokens better names. Initialize from macro.
1051 (struct cpp_name, cpp_token, cpp_toklist): New data
1054 * cpplex.c (bump_column, expand_name_space,
1055 expand_token_space, init_token_list, cpp_output_list,
1056 _cpp_scan_line): New functions.
1057 (output_line_command): Add third argument, new line number.
1058 * cpphash.h: Update prototypes.
1059 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1062 2000-04-20 Richard Henderson <rth@cygnus.com>
1064 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1066 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1068 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1071 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1073 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1074 REG_EQUAL note explaining the calculated value.
1076 * calls.c (expand_call): Avoid unnecesary precalculation
1077 and outgoing parameters space guarding for sibling calls.
1078 (store_one_arg): Likewise.
1080 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1083 (rest_of_compilation): Write sibling dump file and account
1084 for time as jump time.
1085 * invoke.texi: Update documentation on dump flags.
1087 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1089 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1091 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1093 * cpphash.c (special_symbol): Represent an empty macro with
1094 "\r \r " not just "\r ".
1095 (_cpp_macroexpand): Correct condition for the foo ( ) special
1097 (unsafe_chars): Handle EOF as second argument.
1098 (push_macro_expansion): Simplify test for removing escape at
1099 end. Do not trim both escapes if there is no text in between.
1101 2000-04-19 Jim Blandy <jimb@redhat.com>
1103 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1104 of PTR_SIZE, when appropriate.
1106 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1108 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1109 (USE_ENUM_BITFIELDS): Fix typo.
1111 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1113 * stor-layout.c (place_field): Set rli->offset_align properly.
1115 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1117 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1118 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1119 PARM_BOUNDARY): Remove unnecessary casts.
1121 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1123 * calls.c (precompute_arguments): Remove must_preallocate and
1125 (expand_call): Update call of precompute_arguments.
1127 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1128 check_insn_for_givs): Break out from ...
1129 (strength_reduce) ... here; use for_every_insn_in_loop to call
1130 check_insn_for_givs.
1131 * loop.h (for_every_insn_in_loop): Declare.
1132 (loop_insn_callback): New type.
1134 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1136 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1139 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1141 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1144 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1146 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1148 * configure.in: Delete --disable-cpplib option and all
1149 references to cpp_main.
1150 * configure: Regenerate.
1151 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1152 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1153 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1154 cpp$(exeext). Add --no-headers to makeinfo command line when
1155 generating INSTALL. Install and uninstall cpp.1 manpage, not
1157 * install.texi: Delete all references to cexp.y/cexp.c.
1158 Delete ancient instructions for compiling GCC on 3b1.
1159 * INSTALL: Regenerate.
1161 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1162 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1163 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1165 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1166 which is no longer tested anywhere.
1168 * cppinit.c (handle_option): Don't run error message through
1171 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1173 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1174 * cpperror.c (hashtab.h): Now include.
1175 * cppexp.c (hashtab.h): Likewise.
1176 * cpplex.c (hashtab.h): Likewise.
1177 * cppfiles.c (hashtab.h): Likewise.
1178 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1179 to htab_find_slot_with_hash.
1180 * cpphash.c (hashtab.h): Now include.
1181 (_cpp_lookup_slot): INSERT is now enum insert_option.
1182 * cpphash.h (_cpp_lookup_slot): Likewise.
1183 * cppinit.c (hashtab.h): Include earlier.
1184 (initialize_builtins): Pass enum to htab_find_slot.
1185 * cpplib.c (hashtab.h): Now include.
1186 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1187 (do_pragma_poison, do_assert): Likewise.
1188 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1189 htab_find_slot_with_hash.
1190 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1191 * tree.c (type_hash_add): Likewise.
1192 (build1): Minor cleanup.
1194 * ggc-common.c: Add missing blanks.
1195 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1196 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1198 * stmt.c (mark_case_node): New function.
1199 (mark_case_nesting): Call it.
1201 * expmed.c (emit_store_flag): If comparing two-word integer
1202 with zero, can optimize NE, EQ, GE, and LT.
1204 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1205 * conflict.c: Minor cleanups.
1206 * optabs.c: Add blank line
1207 * simplify-rtx.c: Minor cleanups.
1209 2000-04-18 Stan Cox <scox@cygnus.com>
1211 * gengenrtl.c (genlegend): Fix misspelling.
1213 2000-04-18 Robert Lipe <robertlipe@usa.net>
1215 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1216 bitfields of the host compiler are not signed quantities.
1217 * config.in: Regenerate.
1218 * configure: Regenerate.
1219 * system.h (USE_ENUM_BITFIELDS): Added.
1220 (ENUM_BITFIELDS): Added.
1221 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1222 (SHORT_ENUM_BUG): Deleted.
1223 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1225 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1226 (CODE_FIELD_BUG): Likewise.
1227 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1229 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1231 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1233 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1236 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1238 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1239 * cpplib.c (do_include, do_import, do_include_next,
1240 read_line_number, detect_if_not_defined): Likewise.
1241 * cpphash.c (collect_expansion): Likewise.
1242 (special_symbol, _cpp_macroexpand): Check return from
1244 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1245 macros. Delete all uses.
1247 * gcc.dg/cpp-mi.c: Add two more test cases.
1248 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1250 2000-04-17 Richard Henderson <rth@cygnus.com>
1252 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1253 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1255 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1257 * function.c (expand_function_start): Use hard_function_value to
1258 compute the RTL to use for DECL_RESULT.
1260 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1262 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1263 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1264 x86_memory_mismatch_stall): New global variables.
1265 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1266 alloved; fix load penalties for Athlon.
1267 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1268 x86_memory_mismatch_stall): Declare.
1269 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1270 TARGET_MEMORY_MISMATCH_STALL): New.
1271 * i386.md (athlon scheduling parameters): Fix latencies according to
1272 Athlon Optimization Manual.
1273 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1275 (fsqrt instruction patterns): Set athlon_decode to direct.
1276 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1277 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1278 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1279 and TARGET_PARTIAL_REGISTER_STALL machines.
1280 (pushdf_nointeger): New pattern.
1281 (pushdf_integer): Rename from pushdf.
1282 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1283 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1285 2000-04-17 Richard Henderson <rth@cygnus.com>
1287 * loop.c (canonicalize_condition): Add WANT_REG argument.
1288 Stop the search if we match it.
1289 * expr.h (canonicalize_condition): Update decl.
1290 * predict.c (expected_value_to_br_prob): Use it. Track last
1291 expected value note.
1292 (find_expected_value): Remove.
1294 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1296 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1298 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1299 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1301 * configure.in: Call AC_FUNC_MMAP_FILE.
1302 * configure: Regenerate.
1303 * config.in: Regenerate.
1305 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1306 * fixinc/fixincl.c: Likewise.
1308 2000-04-17 Richard Henderson <rth@cygnus.com>
1310 * builtins.c (expand_builtin_expect): New.
1311 (expand_builtin): Call it.
1312 * builtins.def (BUILT_IN_EXPECT): New.
1313 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1314 * extend.texi: Document it.
1316 * predict.c (expected_value_to_br_prob): New.
1317 (find_expected_value): New.
1318 * basic-block.h (expected_value_to_br_prob): Declare.
1319 * toplev.c (rest_of_compilation): Invoke it.
1321 * rtl.h (NOTE_EXPECTED_VALUE): New.
1322 (NOTE_INSN_EXPECTED_VALUE): New.
1323 * rtl.c (note_insn_name): Update.
1324 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1325 cases; handle NOTE_INSN_EXPECTED_VALUE.
1327 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1329 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1330 leaf sibcall delay slot if flag_pic.
1331 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1333 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1335 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1337 * fixproto: If fix-header fails, exit with an error.
1339 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1341 * cse.c (struct check_depdendence_data): New.
1342 (check_dependence): New function.
1343 (invalidate): Use check_depdenence.
1345 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1347 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1348 UNITS_PER_WORD is unsigned.
1350 * tree.h (struct tree_common): Remove misleading comment.
1352 2000-04-16 Dave Pitts <dpitts@cozx.com>
1354 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1355 message in quotes. Otherwise, IBM's make program treats the '#' as the
1356 start of a comment and ignores the remainder of the line.
1358 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1360 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1361 * cexp.y (initialize_random_junk): Likewise.
1362 * cppfiles.c (find_include_file): Cast alloca return value.
1363 * cppinit.c (initialize_standard_includes): Likewise.
1364 * cpplib.c (cpp_define, cpp_undef): Likewise.
1365 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1366 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1367 * fold-const.c (CHARMASK): New.
1368 (real_hex_to_f): Use it.
1369 * real.c (CHARMASK): New.
1370 (etoasc, asctoeg): Use it.
1371 (asctoeg): EBCDIC lower case characters preceed upper case.
1373 * i370.c (mvs_add_label): Change spacing for coding conventions.
1374 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1375 outputing case vectors.
1376 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1377 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1378 since vector in in the data CSECT.
1379 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1380 * i370.md (Many patterns): Put the length in the XL directives.
1381 (movdi): Put back STM and MVC in definition.
1382 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1383 pattern using the TCA.
1384 * oe.h (CPP_SPEC): Added to allow trigraphs.
1385 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1386 not support the "long long" type.
1388 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1390 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1392 (mips_reg_mode_ok_for_base_p): Likewise.
1393 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1394 (REG_OK_FOR_INDEX_P): Define unconditionally.
1395 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1396 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1397 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1398 that GET_MODE_SIZE is unsigned.
1399 (mips_reg_mode_ok_for_base_p): Define.
1400 (mips_legitimate_address_p): Likewise. Adjust now
1401 that GET_MODE_SIZE is unsigned.
1402 (block_move_loop): Make the number of bytes unsigned.
1403 (expand_block_move): Likewise.
1404 (function_arg): Make the loop counter unsigned to match the
1407 2000-04-16 Richard Henderson <rth@cygnus.com>
1409 * rtl.h (enum insn_note): New enumeration. Subsume
1410 NOTE_INSN_DELETED and friends.
1411 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1412 * rtl.c (note_insn_name): Tweak string order.
1414 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1416 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1419 * cpplex.c (output_line_command): Remove debugging prints.
1420 (cpp_output_tokens): Don't write out a zero-length buffer or
1421 try to see if it has a newline in it.
1422 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1423 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1424 the end of the loop. Use memmove. Don't read past the end of
1425 the buffer. Remove trailing newlines from error messages.
1427 2004-04-16 Neil Booth <NeilB@earthling.net>
1429 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1430 * cpplib.c: Add new syntax flags to directive table, and
1433 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1435 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1438 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1440 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1441 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1443 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * Makefile.in (ggc-page.o): Now includes toplev.h.
1446 * ggc-page.c (toplev.h): Now included.
1447 (gc_time): Remove declaration.
1448 (ggc_collect): TIME now long.
1449 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1451 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1453 * toplev.c: Make *_time variable long to reduce chance of overflow.
1454 (TIMEVAR): Likewise for `otime'.
1455 (print_time): Arg is now long; compute percentage in FP and round.
1456 * toplev.h (print_time): Arg is long.
1458 * tree.c: Minor whitespace changes.
1460 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1461 * configure: Rebuilt.
1462 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1463 (__fixunsxfDI): Renamed from __fixunsxfdi.
1464 (__fixunsdfDI): Renamed from __fixunsdfdi.
1465 (__fixunssfDI): Renamed from __fixunssfdi.
1466 (__floatdisf): Use proper type in REP_BIT macro.
1467 (__fixunsxfSI): Renamed from __fixunsxfsi.
1468 (__fixunsdfSI): Renamed from __fixunsdfsi.
1469 (__fixunssfSI): Renamed from __fixunssfsi.
1470 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1471 Change location of macros and upper-case some names as above.
1472 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1473 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1475 * varasm.c (assemble_variable): Add cast to remove warning.
1476 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1478 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1479 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1480 region number to -1.
1482 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1484 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1485 call unshare_all_rtl.
1487 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1489 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1491 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1492 Use .s1 not .s0 for all FP instructions.
1494 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1496 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1498 (safe_fwrite, output_line_command): New static functions.
1499 (cpp_expand_to_buffer): Now private to cpplib.
1500 (cpp_scan_buffer): Take a printer.
1502 * cpphash.h: Update prototypes.
1503 * cpplib.h: Update prototypes.
1505 (cpp_buffer): Remove last_nominal_fname.
1506 (cpp_reader): Remove lineno.
1508 * cppmain.c: Use a cpp_printer.
1509 * fix-header.c: No need to inhibit line commands. Call
1510 cpp_start_read with no printer.
1512 * cpperror.c (cpp_notice_from_errno): Provide default name.
1513 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1514 (find_include_file, cpp_read_file): Use make_IHASH.
1515 (file_cleanup): Set control_macro and clear
1516 input_stack_listing_current here.
1517 (_cpp_execute_include): Don't output entering-file marker.
1518 * cpphash.c (special_symbol): Look for the line number in the
1519 buffer, not the reader.
1520 (_cpp_macroexpand): No need to disable line commands.
1521 (_cpp_dump_definition): No need to generate line commands.
1522 (dump_hash_helper): Remove excess newline from output.
1523 * cppinit.c (dump_special_to_buffer): No need to generate line
1525 (cpp_printer_init): New.
1526 (cpp_start_read): Take a printer, and start it up if it's not
1527 NULL. No need to generate line commands.
1528 (cpp_finish): Expect no buffers stacked at all. Take a
1529 printer argument, and flush the output buffer if it's not
1531 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1532 Don't put two hashes at the beginning of an assertion.
1533 (cpp_get_token): Don't increment pfile->lineno or emit line
1534 commands here. Return EOF if there's no buffer when we get
1536 * cpplib.c (do_define, skip_if_group):
1537 No need to disable line commands.
1538 (_cpp_output_line_command): Delete function.
1539 (do_line): Don't emit line commands here, but set things up so
1540 they will be emitted if necessary. Use _cpp_fake_ihash to
1541 make unique nominal_fnames if necessary.
1542 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1543 with 0 for column, not -1.
1544 (_cpp_handle_eof): Don't set the control macro here. Don't
1545 clear input_stack_listing_current here. Don't emit line
1548 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1550 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1551 always, use the default SVR4 start address.
1553 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1554 (LINK_SHLIB_SPEC): Define.
1555 (LINK_START_DEFAULT_SPEC): Define.
1556 (LINK_OS_DEFAULT_SPEC): Define.
1558 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1560 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1561 __do_global_ctors to handle constructors.
1562 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1563 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1564 (STARTFILE_MVME_SPEC): Likewise.
1565 (STARTFILE_SIM_SPEC): Likewise.
1566 (ENDFILE_ADS_SPEC): Use crtend.
1567 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1568 (ENDFILE_MVME_SPEC): Likewise.
1569 (ENDFILE_SIM_SPEC): Likewise.
1570 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1571 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1572 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1573 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1574 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1575 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1576 (CRTSTUFF_T_CFLAGS_S): Define.
1577 * config/rs6000/eabi-ctors.c: Delete.
1579 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1582 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1586 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1588 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1589 plus mask size is smaller or equal to the mode size.
1591 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1593 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1596 * expr.c (reload.h): Now included.
1597 (emit_block_move): Set volatile_ok when checking for movstr.
1598 (emit_move_1): Check for replacements in addresses in multi-word case.
1599 * Makefile.in (expr.o): Now includes reload.h.
1601 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1602 Never have a LIBCALL end a basic block.
1603 (find_basic_blocks_1): Likewise.
1604 Reorganize CALL_INSN cases.
1606 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1608 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1610 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1611 completers from mov.ret instruction.
1613 2000-04-14 Richard Henderson <rth@cygnus.com>
1615 * fold-const.c (extract_muldiv): Don't distribute and widen
1616 multiply across plus for non-sizetype unsigned types.
1618 2000-04-14 Richard Henderson <rth@cygnus.com>
1620 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1621 If the original source is dead in the incr insn, it's dead now.
1623 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1625 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1626 see if DECL_BIT_FIELD needs to still be set.
1628 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1630 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1631 print_int_cst_octal with something that's not an INTEGER_CST.
1633 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1634 and not a SUBREG to a FLOAT rtl.
1636 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1638 * emit-rtl.c (try_split): Avoid infinite loop if the split
1639 results in a sequence that contains the original insn.
1641 2000-04-13 Andreas Jaeger <aj@suse.de>
1643 * config/mips/mips.c (expand_block_move): Pass alignment
1644 argument to move_by_pieces in bits, not bytes.
1646 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1647 __pic__ for little endian.
1649 2000-04-13 Andreas Jaeger <aj@suse.de>
1651 * config/i386/i386-protos.h: Add prototype for
1652 uno_comparison_operator.
1654 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1656 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1657 * calls.c (ECF_PURE): New flag.
1658 (emit_call_1): Handle ECF_PURE calls.
1659 (initialize_argument_information): Unset ECF_PURE flag too.
1660 (precompute_arguments): Precompute for ECF_PURE too.
1661 (expand_call): Handle ECF_PURE calls too.
1662 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1663 accept value of 2 as pure function.
1664 (emit_library_call_value, emit_library_call): Rename no_queue argument
1666 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1668 * tree.h (DECL_IS_PURE): New macro.
1669 (struct tree_decl): Add pure_flag.
1670 * c-common.c (enum attrs): Add attribute "pure".
1671 (init_attributes): Initialize attribute "pure"
1672 (decl_attributes): Handle attribute "pure".
1673 * extend.texi (Attribute "pure"): Document.
1674 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1676 (flags_from_decl_or_type): Support attribute "pure".
1678 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1680 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1681 the token except for numbers and identifiers.
1683 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1685 * i386.c (ix86_expand_binary_operator,
1686 ix86_expand_unary_operator): Check no_new_pseudos
1687 instead of reload_in_progress and reload_completed.
1688 (ix86_split_ashldi, ix86_split_ashrdi,
1689 ix86_split_lshrdi): Check no_new_pseudos instead
1690 of reload_completed.
1692 2000-04-12 Jeffrey A Law (law@cygnus.com)
1694 * function.c (purge_addressof): Unshare any shared rtl created by
1695 purge_addressof and its children.
1697 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1699 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1702 2000-04-05 Andreas Jaeger <aj@suse.de>
1704 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1705 not compiling PIC code, add flags for mabi=64.
1706 (SUBTARGET_CPP_SIZE_SPEC): New.
1707 (SUBTARGET_CPP_SPEC): New.
1708 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1709 for MIPS/Linux and lots of code needs these defines.
1711 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1713 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1714 trying the "opposite arithmetic" approach.
1716 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1718 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1719 (struct sh_args): Add new field force_mem.
1720 (INIT_CUMULATIVE_ARGS): Initialize it.
1721 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1723 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1725 * calls.c (expand_call): Do not reverse args in "equal from" field.
1726 (emit_library_call_value_1): Emit_libcall_block for const and pure
1729 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1731 * reload1.c (reload_combine): Don't enable optimization for fixed
1732 registers when encountering a BARRIER.
1734 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1736 * builtins.c (expand_builtin_memcmp): Do expansion even with
1737 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1739 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1740 stack is propertly aligned; add sanity checking for aligned
1742 (expand_library_call_value_1): Add sanity checking for aligned
1745 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1747 * calls.c (emit_library_call_value_1): Change 3rd arg to
1748 locate_and_pad_parm to disregard the setting of partial.
1750 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1752 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1754 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1755 CALL_INSN from the normal case.
1757 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1759 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1760 New global variables.
1761 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1763 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1765 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1766 TARGET_ADD_ESP_8): New macros.
1767 * i386.md: Add peep2s to convert esp adjustments to push and pop
1769 (pushsi_prologue, popsi_epilogue): New patterns.
1771 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1773 * real.c (toe64): Remove stale #endif from the last change.
1775 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1777 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1778 * real.c (toe64): Revert previous change.
1780 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1782 * objc/objc-act.c: Include ggc.h.
1783 (objc_tree_index, objc_global_trees): Convert most of the
1784 static tree variables into a static array with previous names
1786 (objc_ellipsis_node): New variable.
1787 (lang_init): Call objc_act_parse_init and c_parse_init.
1788 Create objc_ellipsis_node.
1789 (build_selector_translation_table): Use objc_ellipsis_node instead
1791 (hack_method_prototype): Likewise.
1792 (get_arg_type_list): Likewise.
1793 (start_method_def): Likewise.
1794 (continue_method_def): Likewise.
1795 (gen_method_decl): Likewise.
1796 (ggc_mark_imp_list): New function.
1797 (ggc_mark_hash_table): New function.
1798 (objc_act_parse_init): New function.
1799 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1800 * c-parse.in (c_parse_init): For objc add roots of objc specific
1801 local tree variables.
1802 * objc/objc-parse.y: Rebuilt.
1803 * objc/objc-parse.c: Rebuilt.
1804 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1806 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1808 * cse.c (delete_trivially_dead_insns): Also delete insns
1809 that copy a register to itself where the destination is
1812 2000-04-11 Richard Henderson <rth@cygnus.com>
1814 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1815 (propagate_block): Initialize them. Use them in parallel instead
1816 of one tmp variable, ie revert much of the 0408 and 0407 functional
1817 changes, but keep the structural changes.
1818 (mark_set_regs): Take new_dead from propagate_block_info instead.
1819 (mark_set_1, mark_set_reg): Likewise.
1820 (mark_used_regs): Likewise with new_live.
1821 (mark_used_reg): Likewise. Revert 0408 change.
1823 2000-04-11 Nick Clifton <nickc@cygnus.com>
1825 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1827 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1829 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1831 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1832 const section to output a CONSTRUCTOR based on the same conditions
1835 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1837 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1838 * pa/pa-protos.h (output_call): Add additional argument indicating
1839 if the call is a sibling/tail call.
1840 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1841 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1842 (function_arg, function_arg_partial_nregs): Likewise
1843 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1844 (emit_move_sequence): Zero extend certain constants as needed
1846 (compute_zdepdi_operands, output_64bit_and): New functions.
1847 (output_64bit_ior, function_arg): Likewise.
1848 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1849 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1850 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1851 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1852 (output_bvb): Likewise.
1853 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1854 (output_call): New argument 'sibcall'. Generate sibcall sequences
1856 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1857 (ouput_arg_descriptor): Do not emit argument descriptors for
1859 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1861 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1862 (FUNCTION_OK_FOR_SIBALL): Define.
1863 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1864 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1865 (CPP_SPEC): Use new spec infrastructure.
1866 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1867 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1868 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1869 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1870 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1871 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1872 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1873 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1874 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1875 (FUNCTION_ARG); Call out to C code.
1876 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1877 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1878 (MIN_UNITS_PER_WORD): Likewise.
1879 * pa/pa.md (cmpdi): New expander.
1880 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1881 (64bit conditional arithmetic): New patterns.
1882 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1883 (movsicc): Not available if modes on all the operands to not match.
1884 (movdicc): New expander and associated patterns.
1885 (64bit branches): New patterns.
1886 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1887 (pre_ldd, post_std): New patterns.
1888 (64bit addil, load low part): New patterns.
1889 (special movsf constant): Not available for TARGET_64BIT.
1890 (movsf, movdf expanders): Force constants into memory.
1891 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1892 (64bit movdf/movdi patterns): New patterns.
1893 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1895 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1896 (adddi3 expander): Allow "arith_operand" for second input.
1897 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1898 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1899 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1900 (muldi3): New expander for TARGET_64BIT.
1901 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1903 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1904 patterns for TARGET_64BIT.
1905 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1906 patterns for TARGET_64BIT.
1907 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1908 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1909 (sibcall_epilogue): New expander.
1910 (casesi): Tweak for TARGET_64BIT.
1911 (call expanders): Set & use the outgoing argument pointer. Use the
1912 64bit call patterns as needed. Add additional arg to output_call.
1913 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1914 (sibcall, sibcall_internal_symref): New expanders.
1915 (sibcall_value, sibcall_value_internal_symref
1916 (interspace_jump): Turn into an expander + matching patterns.
1917 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1918 * pa/pa64-regs.h: Eliminate trigraph sequences.
1919 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1921 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1923 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1924 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1925 cpp_token with cpp_ttype everywhere.
1926 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1927 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1928 CPP_BUF_COL. Line and column numbers are unsigned int, not
1930 * cpplex.c (cpp_buf_line_and_col): Delete.
1931 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1932 'long lineno' to 'unsigned int lineno'.
1933 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1935 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1937 * extend.texi: ISO C99 is not a draft anymore.
1938 * invoke.texi: ISO C++ is not a draft anymore.
1939 * cpp.texi: __cplusplus is required by the ISO standard.
1941 * extend.texi (-fthis-is-variable): Undocument.
1942 * flags.h (warn_template_debugging): Remove declaration.
1943 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1944 -Wenum-clash, -Wtemplate-debugging): Undocument.
1946 2000-04-10 Nick Clifton <nickc@cygnus.com>
1948 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1950 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1952 (ARM_SIGN_EXTEND): Use HOST_UINT.
1953 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1954 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1955 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1956 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1958 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1959 (arm_gen_constant): Use HOST_UINT.
1960 (arm_canonicalize_constant): Use HOST_UINT.
1961 (arm_reload_in_hi): Use HOST_UINT.
1962 (arm_reload_out_hi): Use HOST_UINT.
1963 (output_multi_immediate): Use HOST_UINT.
1964 (int_log2): Use HOST_UINT.
1965 (arm_poke_function_name): Use HOST_UINT.
1966 (arm_output_epilogue): Use arm_volatile_func().
1967 (output_thumb_prologue): Use arm_strip_name_encoding().
1969 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1971 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1972 of sequence point problems.
1974 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1976 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1978 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1980 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1982 * sbitmap.h: Whitespace changes and use upper-case macro args.
1983 (struct simple_bitmap_def): All sizes now unsigned.
1984 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1985 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1986 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1987 (sbitmap_zero): Cast bzero arg to PTR.
1988 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1989 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1990 loop to make structure clearer.
1991 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1992 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1993 (sbitmap_a_and_b_or_c): Likewise.
1994 (sbitmap_intersection_of_succs): Minor cleanups.
1995 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1996 (sbitmap_union_of_preds): Likewise.
1997 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1998 (debug_sbitmap): New function.
2000 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2001 * c-typeck.c (convert_for_assignment): Likewise.
2003 * expmed.c (init_expmed): Don't free objects we make.
2004 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2006 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2007 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2009 * gcse.c (expr_hash_table_size): Now unsigned.
2010 (compute_ae_gen): Local variable `i' now unsigned.
2011 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2012 (compute_transout, hoist_code): Likewise.
2013 (compute_local_properties): Likewise, also hash_table_size.
2014 (alloc_expr_hash_table): N_INSNS now unsigned.
2015 (delete_null_pointer_checks): Mark arg F as unused.
2017 * regrename.c: Minor cleanups, including chang some variables
2020 2000-04-10 Neil Booth <NeilB@earthling.net>
2022 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2024 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2026 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2028 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2029 __classof__, and __headof__ from the list of gnu keywords.
2030 (-ansi): Remove -foperator-names from list of implied options.
2031 Do not call it ANSI C++.
2032 (-foperator-names): Document as -fno-operator-names.
2034 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2036 * cpphash.c (timestamp): Delete.
2037 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2038 (special_symbol): Remove unnecessary braces. Remove
2039 T_VERSION. Treat T_STDC like T_CONST unless
2040 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2041 when one is encountered, then convert them into T_MCONST
2043 * cppinit.c (builtin_array): version_string is T_MCONST.
2044 __STDC__ has a "1" in its cpval. Don't have a terminator
2045 entry. Clean up which entries are dumped.
2046 (initialize_builtins): Only __STDC__ gets the special
2047 -traditional treatment. Count the length of builtin_array.
2048 Render version_string here.
2049 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2050 * cpplib.h (struct cpp_reader): Remove timebuf.
2052 2000-04-09 Richard Henderson <rth@cygnus.com>
2054 * genrecog.c (pred): Update comparison_operator for the unordered
2057 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2059 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2060 (uno_comparison_operator): New.
2061 (put_condition_code): Handle UNORDERED/ORDERED.
2062 (unsigned_comparison): Likewise.
2063 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2064 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2065 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2066 update all callers. Handle all 8 unordered operators.
2067 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2068 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2069 * config/i386/i386.h (PREDICATE_CODES): Update.
2070 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2071 (ix86_expand_branch, ix86_expand_setcc): Update.
2072 * config/i386/i386.md (sunordered, sordered): New.
2073 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2074 (bunordered, bordered): New.
2075 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2076 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2077 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2079 2000-04-09 Philip Blundell <philb@gnu.org>
2081 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2083 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2085 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2086 fix_truncxfhi2): New patterns.
2087 * i386.c (output_fix_trunc): Handle converting to HImode.
2089 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2091 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2093 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2094 (for_each_successor_phi): Change parameter to basic_block.
2095 (coalesce_regs_in_successor_phi_nodes): Likewise.
2096 (coalesce_regs_in_copies): Likewise.
2097 (compute_coalesced_reg_partition): Use basic_block instead of index.
2098 * rtl.h (convert_to_ssa): Delete.
2099 (convert_from_ssa): Likewise.
2100 (successor_phi_fn): Likewise.
2101 (for_each_successor_phi): Likewise.
2102 (in_ssa_form): Likewise.
2103 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2104 (convert_from_ssa): Likewise.
2105 (successor_phi_fn): Likewise.
2106 (in_ssa_form): Likewise.
2107 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2108 * flow.c (calculate_global_regs_live): Pass a basic_block to
2109 for_each_successor_phi.
2111 2000-04-08 Richard Henderson <rth@cygnus.com>
2113 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2114 was modified in the current insn.
2116 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2118 * arm/thumb.md: Delete.
2119 * arm/thumb-protos.h: Delete.
2121 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2123 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2125 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2127 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2130 * arm.md (nop): Use the standard RTL expression. Don't code as a
2132 (*arm_nop, *thumb_nop): Delete.
2134 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2135 constants. Use casts instead.
2136 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2137 output_multi_immediate, arm_poke_function_name): Likewise.
2138 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2139 MASK_RETURN_ADDDR): Likewise.
2141 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2143 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2146 * arm.md (eh_epilogue): New function.
2147 * arm.h (struct machine_function): Move to here ...
2148 * arm.c: ... from here.
2149 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2150 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2151 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2153 2000-03-30 Nick Clifton <nickc@cygnus.com>
2155 * config/arm/semi.h (ASM_SPEC): Restore definition.
2156 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2158 * config/arm/elf.h (ASM_SPEC): Restore definition.
2159 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2161 * config/arm/arm.h (ASM_SPEC): Remove definition.
2162 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2164 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2166 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2168 2000-03-24 Nick Clifton <nickc@cygnus.com>
2170 Various formating tidyups, elimination of compile time
2171 warnings and synchronisation with internal sources:
2173 * config/arm/arm-protos.h (assemble_align): Add prototype.
2174 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2175 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2176 (arm_return_addr_rtx): Rename to arm_return_addr.
2178 * config/arm/arm.c: Include except.h.
2179 Define shorter typenames for strict minipool_node and struct
2181 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2183 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2184 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2186 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2188 (ASM_SPEC): Define if not already defined.
2189 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2191 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2192 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2193 arm_gen_compare_reg.
2194 (indirect_jump): Only accept register operands.
2195 (load_indirect_jump): Keep this pattern since combine can generate
2198 * config/arm/coff.h: Include aout.h.
2199 (MULTILIB_DEFAULTS): Only define if not already defined.
2201 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2202 into arm.h (so that COFF ports can support thumb based aliases).
2203 (ASM_SPEC): Move definition into arm.h
2205 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2206 redundant apcs spec.
2207 (ASM_SPEC): Move definition to arm.h
2209 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2211 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2212 for entries in the .bss section
2214 2000-03-23 Nick Clifton <nickc@cygnus.com>
2216 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2217 to thumb_far_jump_used_p.
2219 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2220 single integer parameter.
2222 * config/arm/arm.c (struct machine_function): Add two new
2223 fields, 'far_jump_used' and 'arg_pointer_live'.
2224 (thumb_far_jump_used_p): Once the decision has been made that
2225 far jumps might be used, always return true.
2226 If being called from the initial elimination offset macro then
2227 do not bother to perform the test if the arg pointer is not
2229 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2230 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2232 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2234 * arm.c (output_return_instruction): Handle more cases where we can
2235 return from a function with an ldr instruction.
2236 (arm_output_epilogue): Likewise.
2238 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2239 if we need to push a large stack frame and there are no callee-saved
2242 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2243 in ARM code if the frame pointer has been eliminated.
2245 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2246 unspec_volatile arguments to avoid duplicates.
2247 (consttable_1, consttable_2): Fixes for big-endian mode.
2249 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2252 Re-write constant pool code.
2253 * arm.c (minipool_node, minipool_fix): New types.
2254 (minifix): Delete type.
2255 (arm_add_minipool_constant): Delete.
2256 (arm_compute_minipool_offsets, arm_find_barrier,
2257 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2258 (get_jump_table_size): Now returns HOST_WIDE_INT.
2259 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2261 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2262 (assign_minipool_offsets, arm_print_value): Likewise.
2263 (dump_minipool): Rewrite.
2264 (arm_barrier_cost): New function.
2265 (create_fix_barrier): New function.
2266 (push_minipool_barrier): New function.
2267 (push_minipool_fix): Record additional information about the fixup
2269 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2270 check the mode of what needs fixing.
2271 (arm_reorg): Rewrite.
2273 2000-03-08 Nick Clifton <nickc@cygnus.com>
2275 * config/arm/arm.md (indirect_jump): Force constant addresses into
2278 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2280 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2282 2000-02-24 Nick Clifton <nickc@cygnus.com>
2284 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2285 adjust is word aligned.
2286 (thumb_expand_epilogue): Make sure that stack adjust is word
2289 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2291 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2293 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2294 pointer relative addresses.
2296 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2298 * arm.c (find_barrier): Find the last barrier within the allowed
2301 2000-02-09 Nick Clifton <nickc@cygnus.com>
2303 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2305 2000-02-09 Nick Clifton <nickc@cygnus.com>
2307 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2308 ARM_FUNCTION_PROFILER.
2310 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2311 ARM_FUNCTION_PROFILER.
2313 * config/arm/linux-oldld.h: Imported from mainline sources.
2315 2000-02-07 Nick Clifton <nickc@cygnus.com>
2317 * config/arm/lib1funcs.asm: Merge in thumb functions from
2320 * config/arm/lib1thumb.asm: Delete.
2322 2000-02-04 Nick Clifton <nickc@cygnus.com>
2324 * config/arm/arm.c: Sychronised with current Red hat local
2326 * config/arm/arm.h: Ditto.
2327 * config/arm/arm-protos.h: Ditto.
2329 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2331 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2333 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2336 2000-02-02 Nick Clifton <nickc@cygnus.com>
2338 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2340 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2341 (return) was emited using an emit_insn() call.
2343 2000-01-31 Nick Clifton <nickc@cygnus.com>
2345 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2347 (thumb_exit): Move frame pointer back into hard frame pointer
2348 register if backtracing is being used.
2350 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2352 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2355 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2357 * config/arm/arm.md (neg_pool_offset): Provide default for new
2359 (arm_movsi_insn): Add neg_pool_offset attribute.
2360 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2361 rtx for the insn that starts the scan and an unsigned long for its
2362 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2363 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2364 instructions in *PINSERTED.
2365 (struct minipool_fixup): Add MIN_ADDRESS elt.
2366 (sort_fixups): Compute it.
2367 (arm_reorg): Changes to support inserting pools before the insn to be
2370 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2372 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2373 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2374 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2376 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2378 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2380 (TARGET_DEFAULT): Do not define if already defined.
2382 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2384 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2385 (iordi3): Allow disjoint source operands.
2386 (xordi3): Allow disjoint source operands.
2387 (negdi2): Permit construction for ARM and Thumb.
2388 (arm_negdi2): Renamed version of old negdi2 pattern.
2389 (thumb_negdi2): New pattern: Only permit non-overlapping
2390 source and destination.
2392 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2394 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2395 scratch low register so that it will not be deleted.
2397 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2399 * config/arm/pe.h (ARM_PE): Define.
2401 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2402 interfacearm attribute if this is a PE toolchain.
2403 (output_return_instruction): Do not emit anything if the function
2404 has the naked attribute set.
2405 (is_called_in_ARM_mode): If the function has the interfacearm
2406 attribute then return true.
2407 (thumb_expand_prologue): Do not generate a prologue for naked
2409 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2411 (output_thumb_prologue): Do not bother if the function is naked.
2412 Strip PE encoding from function name before emitting.
2414 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2416 * arm.md (pic_load_addr): Fix constraints.
2418 * arm.md (casesi_insn): Fix mis-applied patch.
2420 * arm.md ("core" function unit): Add rules for single- and
2422 (All TARGET_THUMB patterns): Add "type" attribute information
2424 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2425 the following insn is a CALL.
2427 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2429 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2430 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2431 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2433 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2435 * config/arm/linux-gas.h: oops - this file was missed out when the
2436 branch was created...
2438 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2440 * thumb.c: Deleted. Move contents to ...
2442 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2444 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2447 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2448 declare a prototype for asm_output_align();
2450 * arm.c (thumb_condition_code): Delete.
2451 (arm_print_operand): Always use arm_condition_code array.
2453 * arm.c (thumb_return_addr_rtx): Delete.
2454 (arm_save_machine_status, arm_restore_machine_status): Delete.
2455 (arm_init_machine_status, arm_mark_machine_status): New functions.
2456 (arm_init_expanders): Update accordingly.
2457 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2458 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2459 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2461 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2463 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2465 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2468 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2470 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2471 stack backtrace structure.
2473 * config/arm/arm-protos.h: Add prototypes for functions defined in
2476 * config/arm/arm.c (arm_override_options): Fix selection of
2477 attributes of default processor.
2479 * config/arm/coff.h: Delete needless #include.
2481 * config/arm/pe.c: Delete unused code.
2483 * config/arm/pe.h (CPP_DEFINES): Delete
2484 (SUBTARGET_CPP_SPEC): Define.
2485 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2487 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2489 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2491 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2493 (CAN_DEBUG_WITHOUT_FP): Define.
2494 (FIXED_REGISTERS): Make r11 call-saved.
2495 (CALL_USED_REGISTERS): Likewise.
2496 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2497 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2498 frame-pointer is required.
2499 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2500 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2501 if the target normally needs a stack frame in non-leaf functions.
2502 (use_return_insn): Correct logic for determining when a return
2503 instruction can be used.
2504 (output_return_instruction): Handle the frame-pointer register as
2505 a normal register when not TARGET_APCS_FRAME.
2506 (arm_output_prologue): Likewise.
2507 (arm_output_epilogue): Likewise.
2508 (output_func_epilogue): Likewise.
2509 (arm_expand_prologue): Likewise.
2510 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2512 * arm.c (use_return_insn): No need to check floating point regs if
2514 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2515 the code of value stored in the minipool array.
2516 (arm_add_minipool_constant): Likewise.
2518 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2520 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2522 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2524 * tree.c (tree_expr_nonnegative_p): New function.
2526 * tree.h (tree_expr_nonnegative_p): Declare.
2528 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2529 elide some sign_compare warnings.
2530 (build_conditional_expr): Likewise.
2532 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2534 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2536 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2537 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2538 operand. Abort if a 387 operand has an unsupported size.
2540 2000-04-08 Neil Booth <NeilB@earthling.net>
2542 * cppexp.c (parse_charconst): Null does not end character
2544 * cppinit.c (ISTABLE): Null character handled as whitespace.
2545 * cpplex.c (null_warning): new function.
2546 (skip_string): Emit warning if nulls encountered.
2547 (_cpp_skip_hspace): Emit warning if nulls encountered.
2548 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2552 2000-04-07 Richard Henderson <rth@cygnus.com>
2554 * flow.c (loop_depth): Remove.
2555 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2556 (struct propagate_block_info): New.
2557 (life_analysis): Don't allocate reg_next_use.
2558 (propagate_block_delete_insn): Break out of propagate_block.
2559 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2560 (propagate_block_delete_libcall): Likewise.
2561 (propagate_block): Create a propagate_block_info struct to pass
2562 to subroutines. Allocate one not two temporary regsets. Don't
2563 clobber memory for const calls. Look for clobbers in
2564 CALL_INSN_FUNCTION_USAGE.
2565 (mark_set_regs): Recognize COND_EXEC.
2566 (mark_set_reg): Break out of mark_set_1.
2567 (mark_used_reg): Break out of mark_used_regs.
2568 (mark_used_regs): Recognize COND_EXEC.
2569 (insn_dead_p): Use propagate_block_info struct.
2570 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2571 (find_auto_inc, try_pre_increment_1): Likewise.
2572 (print_rtl_with_bb): Dump regs live at end too.
2573 (count_reg_sets_1): Pass in loop_depth.
2574 (count_reg_sets, count_reg_references): Likewise.
2575 (recompute_reg_usage): Provide it.
2577 2000-04-07 Richard Henderson <rth@cygnus.com>
2579 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2582 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2584 * cpplib.c (do_elif): Skip the rest of the line if we're
2585 not going to bother evaluating it.
2586 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2587 to avoid pointless calls to the lexer.
2589 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2591 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2593 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2595 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2597 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2599 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2601 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2603 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2604 crtend so they can be multilibbed.
2605 (STAGESTUFF): Remove s-crt and s-crtS.
2607 2000-04-07 Richard Henderson <rth@cygnus.com>
2609 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2610 if we discover we need a pseudo and no_new_pseudos is true.
2611 * config/alpha/alpha.md (ne:DI insn): New.
2612 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2614 2000-04-07 Richard Henderson <rth@cygnus.com>
2616 * rtl.def (COND_EXEC): New.
2617 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2618 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2620 * genconfig.c (have_cond_arith_flag): Remove.
2621 (have_cond_exec_flag): New.
2622 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2623 (main): Print HAVE_conditional_execution.
2625 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2626 (sched_analyze_insn, print_pattern): Likewise.
2627 * reload.c (find_equiv_reg): Likewise.
2628 * rtlanal.c (reg_referenced_p): Likewise.
2629 (note_stores, dead_or_set_regno_p): Likewise.
2630 (reg_overlap_mentioned_p): Rewrite to use a switch.
2632 * ggc.h (struct rtx_def): Forward declare.
2634 * print-rtl.c (debug_rtx_range): New.
2635 * rtl.h (debug_rtx_range): Declare.
2637 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2639 * gcse.c (gcse_main): Don't rebuild the CFG here.
2640 (delete_null_pointer_checks): Likewise.
2641 * ssa.c (convert_to_ssa): Likewise.
2642 * toplev.c (rest_of_compilation): Do it here instead. Combine
2643 sequential calls to TIMEVAR. Consistently use `insns' instead of
2644 `get_insns()'. Always split insns after reload when optimizing.
2646 * basic-block.h (merge_blocks_nomove): Declare.
2647 (tidy_fallthru_edge): Declare.
2648 * flow.c (merge_blocks_nomove): Document as merging into previous
2649 blocks. Remove cruft from between blocks; remove all edges out of A.
2650 (tidy_fallthru_edge): Export.
2652 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2654 * ssa.c (compute_conservative_reg_partition): Declare with
2656 * toplev.c (clean_dump_file): Remove previously-deleted function
2657 inadvertantly merged back in.
2658 * conflict.c (conflict_graph_add): Use a single call to
2659 htab_find_slot to look up and insert.
2661 2000-04-06 Richard Henderson <rth@cygnus.com>
2663 * genrecog.c (*): Rename _last_insn to last_insn.
2664 (make_insn_sequence): Set the position of the peephole2 C test
2665 to be at the last insn.
2667 2000-04-06 Richard Henderson <rth@cygnus.com>
2669 * flow.c (compute_flow_dominators): Free worklist.
2671 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2673 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2675 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2677 * rtl.h (INSN_P): New macro.
2678 (successor_phi_fn): New typedef.
2679 (for_each_successor_phi): New prototype.
2680 (in_ssa_form): New variable.
2681 (PHI_NODE_P): Likewise.
2682 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2683 phi nodes in successors.
2684 (mark_used_regs): Add PHI case.
2685 (set_phi_alternative_reg): New function.
2686 (life_analysis): Assert that dead code elimination is not selected
2688 * toplev.c (to_ssa_time): New variable.
2689 (from_ssa_time): Likewise.
2690 (compile_file): Zero to_ssa_time and from_ssa_time.
2691 Print time to convert to and from SSA.
2692 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2693 (print_time): Compute percent fraction as integer.
2694 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2695 (convert_to_ssa): Check if we're already in SSA.
2696 Don't eliminate dead code in life_analysis.
2697 Rerun flow and life analysis at bottom.
2698 (eliminate_phi): Use canonical regnos when adding nodes.
2699 (mark_reg_in_phi): New function.
2700 (mark_phi_and_copy_regs): Likewise.
2701 (convert_from_ssa): Rerun life analysis at top.
2702 Use coalesced partition.
2703 Check for removing a phi node at the end of the block.
2704 (compute_coalesced_reg_partition): New function.
2705 (coalesce_regs_in_copies): Likewise.
2706 (coalesce_reg_in_phi): Likewise.
2707 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2708 (for_each_successor_phi): Likewise.
2709 (rename_context): New struct.
2710 (rename_block): Use a rename_context with rename_insn_1. When
2711 renaming sets of a subreg, emit a copy of the entire reg first.
2712 (rename_insn_1): Treat data as a rename_context *. Save current
2714 (rename_set_data): Add field set_insn.
2715 * Makefile.in (HASHTAB_H): Move up in file.
2716 (OBSTACK_H): New macro.
2717 (collect2.o): Use OBSTACK_H in dependencies.
2718 (sdbout.o): Likewise.
2719 (emit-rtl.o): Likewise.
2720 (simplify-rtx.o): Likewise.
2721 (fix-header.o): Likewise.
2722 (OBJS): Add conflict.o.
2723 (conflict.o): New rule.
2724 * basic-block.h: Include partition.h.
2725 (conflict_graph): New typedef.
2726 (conflict_graph_enum_fn): Likewise.
2727 (conflict_graph_new): New prototype.
2728 (conflict_graph_delete): Likewise.
2729 (conflict_graph_add): Likewise.
2730 (conflict_graph_conflict_p): Likewise.
2731 (conflict_graph_enum): Likewise.
2732 (conflict_graph_merge_regs): Likewise.
2733 (conflict_graph_print): Likewise.
2734 (conflict_graph_compute): Likewise.
2735 * conflict.c: New file.
2737 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2739 * tlink.c (read_repo_files): Don't look for .rpo info for
2742 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2744 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2746 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2748 * config/sh/lib1funcs.asm (___udivsi3_i4):
2749 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2750 only depends on FMOVD_WORKS.
2752 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2754 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2755 make double constant 8-byte aligned.
2757 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2759 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2760 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2761 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2762 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2763 Accept storing GENERAL_REGS into offsetable memory.
2764 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2765 building a TFmode constant other than 0.0L into GENERAL_REGS.
2767 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2769 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2771 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2773 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2774 (macro_cleanup): No need to cast pbuf->macro.
2775 (collect_expansion): Use _cpp_get_define_token. Goto done if
2776 it returns VSPACE. Remove check for trailing space after
2778 (_cpp_create_definition): Don't diddle flags here. Return
2780 (unsafe_chars): Handle c1 being EOF.
2781 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2782 checks. Don't push the buffer till after we're done with
2784 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2785 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2786 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2788 (_cpp_parse_assertion): Don't NUL terminate.
2789 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2790 hspace before calling _cpp_parse_assertion. Remove all sets
2791 of only_seen_white. Treat '\f' as hspace. Don't do anything
2792 special with '\n' here.
2793 (maybe_macroexpand): Handle T_EMPTY hash entries without
2794 pushing a buffer at all.
2795 (cpp_get_token): Handle clearing only_seen_white here. Handle
2796 incrementing the line number here. Clear
2797 potential_control_macro as well as only_seen_white, if
2799 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2800 (_cpp_get_define_token): New function, basically like
2801 _cpp_get_directive_token was but doesn't eat horizontal space.
2802 Don't do anything with only_seen_white here.
2803 (_cpp_get_directive_token): Just call _cpp_get_define_token
2804 repeatedly till it returns non-hspace.
2806 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2807 (conditional_skip, skip_if_group): Return int.
2808 (DIRECTIVE_TABLE): Change origin of all conditional directives
2810 (TRAD_DIRECT_P): New macro.
2811 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2812 an error for a bogus directive, unless -lang-asm. Use
2813 TRAD_DIRECT_P. Loop calling handler functions till one returns
2815 (get_macro_name): Don't diddle flags here.
2816 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2817 Create T_EMPTY nodes for #define macro /* nothing */.
2818 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2819 Use hp->name when calling pass_thru_directive.
2820 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2821 Return the result of conditional_skip and/or skip_if_group.
2822 Don't call _cpp_output_line_command.
2823 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2824 Issue -Wtraditional warnings as appropriate. Don't complain
2825 about unrecognized directives. If we are to stop skipping,
2826 return the number of the directive that ended the skip.
2827 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2828 expansion and line commands while skipping. Return the result
2829 of consider_directive_while_skipping, if nonzero.
2830 (do_endif): Just set potential_control_macro here.
2831 (validate_else): Use _cpp_get_directive_token.
2832 (do_assert, do_unassert): Don't save pointers into the
2833 token_buffer across calls to the lexer. Use
2834 _cpp_get_directive_token.
2836 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2837 pointer, not an offset. Replace 'data', which was a generic
2838 pointer, with 'macro', which points to a struct hashnode.
2839 (cpp_reader): Add 'potential_control_macro' pointer.
2840 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2841 (CPP_BUF_GET, CPP_FORWARD): Delete.
2842 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2843 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2844 ACTIVE_MARK_P): Update.
2845 (_cpp_get_define_token): New internal function.
2846 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2848 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2850 * configure.in: And here.
2851 * configure: Regenerate.
2852 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2853 --enable-libstdcxx-v3 is passed at configure time.
2854 * config.h.in: Regenerate.
2856 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2858 * final.c (final): Use xcalloc to allocate line_note_exists.
2859 * function.c (free_after_compilation): Free the temp_slots.
2860 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2861 (combine_temp_slot): Free temp_slots when they get combined.
2862 (purge_addressof): Fix typo in comment.
2863 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2864 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2866 * ggc.h: Include varray.h.
2867 (ggc_pending_trees): Declare.
2868 (ggc_mark_tree_children): Remove declaration.
2869 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2870 * ggc-common.c (ggc_pending_trees): New variable.
2871 (ggc_mark_roots): Call ggc_mark_trees.
2872 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2873 the ggc_pending_trees.
2874 * Makefile.in (GGC_H): New variable. Use it throughout in place
2877 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2879 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2882 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2884 * sh.c (sh_insn_length_adjustment): New function.
2885 * sh-protos.h (sh_insn_length_adjustment): Declare.
2886 * sh.h (ADJUST_INSN_LENGTH): Use it.
2888 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2890 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2891 from the insn where REG_RETVAL is added.
2892 (emit_no_conflict_block): Ditto.
2894 * md.texi (Standard Names): Clarify when movX is needed.
2896 * combine.c (simplify_comparison) [MINUS]: Do not replace
2897 all (op (minus A B) 0) with (op A B).
2899 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2900 J"orn Rennecke <amylaar@cygnus.co.uk>
2902 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2903 (block_lump_real): Likewise.
2905 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2907 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2908 remaining non-zero debugging masks.
2910 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2912 * basic-block.h (verify_flow_info): Declare.
2913 (flow_loop_outside_edge_p): Declare.
2914 * flow.c (verify_flow_info): Remove declaration.
2915 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2917 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2919 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2922 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2924 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2925 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2926 seqdi_zero_trunc+1): Allow splits only if registers are
2929 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2931 * acconfig.h: Add HAVE_GAS_HIDDEN.
2932 * config.in: Regenerated.
2933 * configure.in: Add test for .hidden pseudo-op in gas.
2934 * configure: Regenerated.
2935 * crtstuff.c: Include auto-host.h.
2936 Emit additional .hidden pseudo-op for __dso_handle if the
2937 assembler knows about it.
2939 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2941 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2942 before freeing argnames.
2943 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2945 2000-04-05 Michael Meissner <meissner@redhat.com>
2947 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2948 Walton <jonboy@gordian.com> to make memory references with update
2949 work wtih -mregnames.
2951 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2953 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2954 (regrename_optimize): Rename variables `def_uses' and
2955 `ext_basic_blocks' to avoid conflicts with similarly named
2956 typedefs in traditional C.
2958 * calls.c (initialize_argument_information): Fix typo in previous
2961 2000-04-04 Richard Henderson <rth@cygnus.com>
2963 * regrename.c (consider_available): Test fixed_regs not
2964 PIC_OFFSET_TABLE_REGNUM.
2966 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2968 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2970 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2971 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2972 (ENDFILE_LINUX_SPEC): Always use crtend.
2973 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2974 (powerpc-*-linux-gnu): Likewise.
2975 * configure: Regenerate.
2977 * config/rs6000/eabi.h: Don't include sysv4.h.
2978 (MULTILIB_DEFAULTS): Don't define.
2979 * config/rs6000/eabiaix.h: Don't include eabi.h.
2980 * config/rs6000/eabile.h: Delete.
2981 * config/rs6000/eabilesim.h: Delete.
2982 * config/rs6000/eabisim.h: Don't include eabi.h.
2983 * config/rs6000/linux.h: Don't include sysv4.h.
2984 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2985 (MULTILIB_DEFAULTS): Don't redefine.
2986 * config/rs6000/rtems.h: Don't include eabi.h.
2987 * config/rs6000/sol2.h: Don't include sysv4le.h.
2988 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2989 * config/rs6000/t-ppc: Delete.
2990 * config/rs6000/t-ppcgas: Correct comment.
2991 * config/rs6000/t-ppcos: Correct comment. Don't build
2992 multilibs for -fPIC, rather use -fPIC -mstrict-align
2994 * config/rs6000/t-ppc: Delete.
2995 * config/rs6000/vxppc.h: Don't include sysv4.h.
2996 * config/rs6000/vxppcle.h: Delete.
2997 * configure.in: Use multiple header files for p2pc ELF targets
2998 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2999 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3000 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3001 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3002 always available for these platforms.
3004 2000-04-04 Richard Henderson <rth@cygnus.com>
3006 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3008 2000-04-04 Stan Cox <scox@cygnus.com>
3010 * Makefile.in: Add rules for regrename.o
3011 * regrename.c: New file.
3012 * rtl.h (regrename_optimize): Add prototype.
3013 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3014 (compile_file, decode_d_option): Add support for -frename-registers.
3015 (rest_of_compilation): Call regrename_optimize.
3016 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3019 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3021 * Makefile (gccbug): New target.
3022 (doc): Depend on it.
3023 * gcc.texi (Bugs): Link subnodes.
3025 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3026 Document severities, priorities, and classes in bug form.
3028 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3030 * cpplex.c (trigraph_map, speccase): Combine into single
3032 (NORMAL, NONTRI): New macros.
3033 (_cpp_read_and_prescan): Change to use unified table. Use
3034 is_hspace to test for whitespace.
3036 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3037 definition that doesn't provoke the "empty body in an
3038 if-statement" warning.
3040 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3042 * builtins.c (expand_builtin_strlen): Force the source to
3043 be a memory address.
3045 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3047 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3049 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3051 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3052 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3053 (ECF_IS_CONST): Rename to ECF_CONST.
3054 (special_function_p): Make static, change interface.
3055 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3056 (expand_call) ... here; convert number of variables to flags.
3057 (emit_library_call_vlue_1): Likewise.
3058 (setjmp_call_p): New function.
3059 (initialize_argument_information): Accepts flags as argument;
3061 (precompute_arguments): Likewise.
3062 * tree.h (special_function_p): Remove.
3063 (setjmp_call_p): Add prototype.
3065 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3067 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3068 so that addresses are offsetable by up to 16 bytes.
3069 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3070 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3073 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3074 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3075 (movsf): Don't force any constant to memory if target is integer
3077 Move fp_zero_operand check below the const0_rtx check.
3078 (movtf): Likewise. Also allow fp_zero_operand for stores into
3080 (movdf): Likewise. Also allow fp_zero_operand for stores into
3081 memory and into integer hard registers.
3082 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3083 movdf_const_intreg_sp64): Remove.
3084 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3086 (movdf_no_e_insn_v9_sp32): New pattern.
3087 (movdf_insn_v9only): Remove.
3088 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3089 (movdf_insn_sp64): Remove.
3090 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3091 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3092 (following splits): Rewrite conditions. Add two new splits
3093 for storing 0.0 into memory and registers.
3094 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3095 (movtf_insn_sp32): Redo constraints and conditions.
3096 (movtf_insn_vis_sp32): New pattern.
3097 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3098 (movtf_insn_hq_sp64): Likewise.
3099 (movtf_insn_hq_vis_sp64): New pattern.
3100 (movtf_insn_sp64): Redo constraints and conditions.
3101 (movtf_insn_vis_sp64): New pattern.
3102 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3103 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3105 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3106 -mvis or -m64 to take down the number of various reload patterns.
3108 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3110 * pa/pa-64.h: New file.
3111 * pa/pa64-regs.h: New file.
3112 * pa/pa64-start.h: New file.
3113 * pa/t-pa64: New file.
3114 * pa/xm-pa64hpux.h: New file.
3116 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3118 * sparc.c (output_restore_regs): Prototype.
3119 (sparc_emit_float_lib_cmp): Constification.
3121 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3123 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3126 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3127 (get_value_hash, hash_rtx): Likewise.
3129 * ssa.c (compute_conservative_reg_partition): Prototype.
3131 * tree.c (mark_hash_entry): Prototype.
3133 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3135 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3136 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3137 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3139 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3140 * objc/lang-specs.h: Likewise.
3142 2000-04-03 Neil Booth <NeilB@earthling.net>
3144 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3145 and SYNTAX_ERROR2. Replace `' in messages with ''.
3146 (op_to_str): Make re-entrant.
3147 (_cpp_parse_expr): Implement new error macros. Use | rather
3148 than || to logically or 2 boolean integers. Simply expression
3149 checking we have a left operand iff needed.
3151 2000-04-03 Nick Clifton <nickc@cygnus.com>
3153 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3155 2000-04-03 Philip Blundell <philb@gnu.org>
3157 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3159 2000-04-03 Felix Lee <flee@cygnus.com>
3161 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3162 (run_shell): Use it.
3164 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3166 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3167 (stmp-fixproto): ...rather than here.
3169 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3171 * pa.c (print_operand): Compute 'base' only inside the code paths
3174 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3176 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3179 2000-04-03 Philipp Thomas <pthomas@suse.de>
3181 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3183 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3185 * Makefile.in (alias.o): Depend on $(TREE_H).
3187 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3189 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3191 * cpplib.c (_cpp_handle_directive): Improve warnings for
3192 traditional C and indented directives.
3194 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3195 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3196 fixinc/inclhack.def: Indent the # of #include_next one space.
3197 * cp/rtti.c: Un-indent #if and #endif.
3199 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3200 syntax error, but an error has already been printed.
3201 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3202 message when called with nothing remaining on the line.
3203 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3204 OTHER token, not an ASSERTION.
3205 * cpplib.c (do_assert): When we create a 'base' node, clear
3206 its aschain pointer.
3208 2000-04-02 Neil Booth <NeilB@earthling.net>
3210 * cppexp.c: New typedef op_t. struct operation and struct
3211 token updated to use it.
3212 (op_to_str): New function.
3213 (_cpp_parse_expr): Error messages modified to use op_to_str.
3215 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3217 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3218 before checking MUST_PASS_IN_STACK.
3220 2000-04-02 Neil Booth <NeilB@earthling.net>
3222 * cppexp.c: New FINISHED dummy token. Combine operator initial
3223 flags and initial priority into a single constant. New
3224 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3225 (_parse_cpp_expr): Implement new constants. Take left operand
3226 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3227 parse indicated by reducing FINISHED token. Remove new lines
3228 from cpp_error messages.
3230 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3232 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3235 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3237 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3238 directive. Add origin values to DIRECTIVE_TABLE. Generate
3239 the strings and function names on the fly. Take the #sccs
3240 entry out of the table if SCCS_DIRECTIVE is not defined.
3241 (_cpp_handle_directive): Decide if the # was at the beginning
3242 of the line here. Issue -pedantic warnings for extended
3243 directives here. Warn about K+R directives with the #
3244 indented, and C89/extended directives with the # not indented,
3246 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3247 do_assert, do_unassert): Don't issue pedantic warning here.
3249 * cpphash.h: Add CPP_WTRADITIONAL macro.
3250 * cpplib.h (struct cpp_options): Rename warn_stringify to
3251 warn_traditional; update comments.
3252 * cppinit.c (handle_option): Set warn_traditional not
3254 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3255 CPP_WTRADITIONAL (pfile).
3256 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3257 be ignored in -traditional mode here.
3259 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3260 to initialize speccase[] and trigraph_map[]. Delete all
3261 references to pfile->input_speccase. Always treat '?' as a
3262 special character. Remove table-initialization code from
3263 _cpp_init_input_buffer.
3265 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3266 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3268 2000-04-01 Richard Henderson <rth@cygnus.com>
3270 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3271 (mostlyclean): Likewise.
3273 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3274 (struct dump_file_info, enum dump_file_index, dump_file): New.
3275 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3276 not a string. Clean out file if we havn't yet done so. Do nothing
3277 if the dump isn't enabled.
3278 (close_dump_file): Do nothing if the dump isn't open. Dump
3279 graph data if requested.
3280 (dump_rtl, clean_dump_file): Remove.
3281 (compile_file): Don't clean the dump files. Only finalize .bp dump
3282 if flag_test_coverage or flag_branch_probabilities. Only finalize
3283 .combine dump if optimizing. Iterate over dump_file to finalize the
3285 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3286 Convert all uses of dump_rtl.
3287 (decode_d_option): Iterate over dump_file to implement 'a' and to
3288 locate pass-specific dumps.
3290 2000-04-01 Neil Booth <NeilB@earthling.net>
3292 * cppexp.c: Redefine priority constants.
3293 (_cpp_parse_expr): Replace left and right priority scheme with
3294 single priority logic. Move LOGICAL to same place as COMPARE.
3295 Remove bogus check for multiple unary +/- operators.
3297 2000-04-01 Neil Booth <NeilB@earthling.net>
3299 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3300 within the switch statement. Binary operations break out of
3301 the switch naturally. '(' tokens handled by forcing
3302 immediate shift. ')' handled by forcing immediate reduce to
3303 the previous '('. New error messages.
3305 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3307 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3308 part', it's already in use. Use %K instead. Add a return at the
3309 end of what is now %K.
3310 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3312 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3314 * builtins.c (expand_builtin_apply): Pass proper parameters to
3315 allocate_dynamic_stack_space.
3316 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3317 update stack_pointer_delta; do not update arg_size_so_far.
3318 (compute_argument_block_size): Use stack_delta instead of
3319 stack_pointer_pending and arg_size_so_far.
3320 (expand_call): Add sanity checking for stack_pointer_delta;
3321 save and restore stack_pointer_delta for SIB, use
3322 stack_pointer_delta for alignment; do not update arg_space_so_far.
3323 (emit_library_call_value): Use stack_pointer_delta for alignment.
3324 (store_one_arg): Do not update arg_space_so_far.
3325 * explow.c (adjust_stack, anti_adjust_stack): Update
3326 stack_pointer_delta.
3327 (allocate_dynamic_stack_space): Add sanity checking for
3328 stack_pointer_delta.
3329 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3330 stack_pointer_delta.
3331 (emit_push_insn): Update stack_pointer_delta.
3332 * function.h (struct expr_status): Add x_stack_pointer_delta;
3333 remove x_arg_space_so_far.
3334 (arg_space_so_far): Remove.
3335 (stack_pointer_delta): New macro.
3337 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3339 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3340 Reorder struct cpp_options and struct cpp_reader for better
3341 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3342 takes two args. Change all 'char' flags to 'unsigned char'.
3343 Move show_column flag into struct cpp_options. Don't
3344 prototype cpp_options_init.
3345 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3346 cppinit.c, cpplex.c, cpplib.c:
3347 Replace CPP_OPTIONS (pfile)->whatever with
3348 CPP_OPTION (pfile, whatever), and likewise for
3349 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3351 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3352 Extract CPP_OPTION (pfile, pending) and work with that
3354 (cpp_options_init): Delete.
3355 (cpp_reader_init): Turn on on-by-default options here.
3356 Allocate the pending structure here.
3357 (cl_options, enum opt_code): Define these from the same table,
3358 kept in a large macro. Add -fshow-column and -fno-show-column
3361 * cpperror.c (v_message): If show_column is off, don't print
3364 * cppmain.c: Update for new interface.
3365 * fix-header.c: Likewise.
3367 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3369 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3371 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3372 are passed to any invocation of AR_FOR_TARGET.
3373 (AR_CREATE_FOR_TARGET): New macro.
3374 (AR_EXTRACT_FOR_TARGET): New macro.
3375 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3376 AR_EXTRACT_FOR_TARGET.
3377 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3378 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3379 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3380 AR_EXTRACT_FOR_TARGET to sub-makes.
3382 2000-03-31 Neil Booth <NeilB@earthling.net>
3384 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3386 (_cpp_parse_expr): Check for multiple unary +/- operators.
3387 Correct priorities of ':' and '?'. Treat ')' as having a
3388 value. Ensure conditional expression is not void.
3390 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3392 * alias.c (canon_rtx): Make it global.
3393 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3395 * cse.c (struct table_elt): Add canon_exp.
3397 (invalidate): Canonicalize expressions only once.
3398 * rtl.h (canon_rtx): Declare.
3400 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3402 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3403 * alias.c (reg_known_value): Add comments.
3404 (init_alias_analysis): Likewise.
3405 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3407 (cse_basic_block): Fix typo in comment.
3408 * emit-rtl.c: Include hashtab.h.
3409 (const_int_htab): New variable.
3410 (const_int_htab_hash): New function.
3411 (const_int_htab_eq): Likewise.
3412 (rtx_htab_mark_1): Likewise.
3413 (rtx_htab_mark): Likewise.
3414 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3415 (unshare_all_rtx): Fix formatting.
3416 (init_emit_once): Initialize const_int_htab.
3417 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3419 * rtl.texi: Document the fact that all CONST_INTs with the same
3422 2000-03-30 Richard Henderson <rth@cygnus.com>
3424 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3426 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3428 * configure.in: Comment out --enable-c-cpplib stanza.
3429 * configure: Regenerate.
3431 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3433 * expr.c (store_constructor): Properly compute displacement and
3434 alignment when offset is variable.
3436 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3437 cases of alignment in bytes.
3439 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3441 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3442 since it is used to generate c-parse.y.
3443 * objc-parse.c, objc-parse.y: Regenerated.
3445 * function.c (expand_function_end): Pass alignment argument to
3446 emit_block_move in bits, not bytes.
3448 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3450 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3453 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3455 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3456 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3457 * function.c (assign_parms): Likewise.
3458 * integrate.c (expand_inline_function): Likewise.
3459 * stmt.c (expand_decl): Likewise.
3460 (copy_rtx_and_substitute): Likewise.
3461 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3462 (clear_by_pieces): Fix error in last change.
3463 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3464 * function.h (regno_pointer_align): Now unsigned.
3465 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3467 * config/i386/i386.c (aligned_operand): Likewise.
3468 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3469 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3470 (unaligned_memory_operand): Likewise.
3471 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3472 Also make alignments and sizes unsigned and some whitespace cleanup.
3473 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3475 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3476 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3477 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3478 (expand_builtin_memset): Likewise, but to clear_storage.
3479 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3480 (restore_fixed_argument_area): Likewise.
3481 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3482 (load_register_parameters): Likewise, to emit_group_load.
3483 (expand_call): Likewise, to emit_group_store and emit_block_move.
3484 (emit_library_call_value_1): Likewise, to emit_block_move.
3485 (store_one_arg): Likewise, and to emit_push_insn.
3486 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3487 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3488 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3489 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3490 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3491 (expand_assigment, store_expr, store_constructor_field): Likewise.
3492 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3493 (store_constructor, store_field, get_inner_reference): Likewise.
3494 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3495 (expand_expr, case COMPONENT_REF): Likewise.
3496 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3497 and positions; reindent code.
3498 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3499 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3500 (assign_parms): Likewise to emit_group_store.
3501 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3502 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3503 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3504 (expand_return): Likewise to {extract,store}_bit_field.
3505 * stor-layout.c (get_mode_alignment): Minor cleanup.
3506 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3507 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3509 2000-03-29 Nick Clifton <nickc@cygnus.com>
3511 * config/arm/arm.h: Undo effects of previous delta:
3512 (ASM_SPEC): Do not define.
3513 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3515 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3518 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3520 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3521 only after reading in the primary source file.
3523 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3525 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3526 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3527 or a reference to a va_list.
3528 * builtins.c (stabilize_va_list): Simplify now we don't have to
3529 work around C array address decay.
3530 * c-typeck.c (convert_for_assignment): Handle assignment to
3531 a reference parameter by taking the address of the RHS.
3532 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3533 (va_copy): Likewise.
3534 (__va_copy): Likewise.
3535 * ginclude/varargs.h (va_start): Likewise.
3536 (__va_copy): Likewise.
3538 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3540 * i386/djgpp.h: Remove extraneous "+".
3542 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3544 * calls.c (expand_call): Fix typo in last change.
3546 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3548 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3551 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3553 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3554 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3555 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3556 * tree.c (bit_position, byte_position): Likewise.
3557 * tree.h: Declare new functions.
3559 2000-03-29 Nick Clifton <nickc@cygnus.com>
3561 * config/arm/arm.c: Minor formatting changes/
3562 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3564 (ASM_SPEC): Define if not already defined.
3566 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3568 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3571 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3573 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3574 value, don't output it as unsigned.
3576 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3578 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3580 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3582 * c-common.c (c_common_nodes_and_builtins): Don't special case
3583 cplus_mode when declaring builtin bzero/bcmp, always avoid
3584 prototype arguments.
3586 2000-03-29 Bruce Korb <bkorb@gnu.org>
3588 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3591 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3593 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3594 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3595 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3596 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3597 (save_fixed_argument_area, restore_fixed_argument_area):
3598 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3599 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3600 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3601 (precompute_register_parameters): Avoid #ifdefs on
3602 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3603 (stire_one_args): Likewise.
3604 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3605 (emit_library_call_value_1): Likewise.
3606 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3607 ACCUMULATE_OUTGOING_ARGS.
3608 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3610 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3611 (use_crosses_set_p): Likewise.
3612 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3613 #define ACCUMULATE_OUTGOING_ARGS 1.
3614 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3616 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3618 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3619 (TARGET_SWITCHES): Add push-args, no-push-args,
3620 accumulate-outgoing-args and no-accumulate-outgoing-args.
3621 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3622 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3623 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3625 (emit_push_insn): Likewise.
3626 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3627 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3628 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3629 (STACK_DYNAMIC_OFFSET): Define correctly for both
3630 ACCUMULATE_OUTGOING_ARGS and normal mode.
3631 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3632 * tm.texi (PUSH_ARGS): Document.
3633 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3635 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3637 * flags.h (flag_optimize_sibling_calls): Declare.
3638 * calls.c (expand_call): Fail sibcall when
3639 !flag_optimize_sibling_calls
3640 * invoke.texi (flag_optimize_sibling_calls): Document.
3641 * toplev.c (flag_optimize_sibling_calls): New global variable.
3642 (f_options): Add flag_optimize_sibling_calls.
3643 (rest_of_compilation): Conditionize
3644 optimize_sibling_and_tail_recursive_calls by
3645 flag_optimize_sibling_calls.
3646 (main): Set flag_optimize_sibling_calls for -O2.
3647 * stmt.c (expand_return): Conditionize tail recursion by
3648 flag_optimize_sibling_calls.
3650 2000-03-29 Richard Henderson <rth@cygnus.com>
3652 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3653 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3655 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3657 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3659 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3661 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3663 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3664 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3665 * config/rs6000/aix.h: then modified likewise.
3667 2000-03-28 Richard Henderson <rth@cygnus.com>
3669 * rtl.h: Redistribute enum reg_note documentation.
3670 Kill trailing whitespace.
3671 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3672 Kill trailing whitespace.
3674 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3676 * cppfiles.c (hash_IHASH): Just return i->hash.
3677 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3678 htab_find_with_hash.
3679 (cpp_read_file): Likewise.
3680 (find_include_file): Likewise. Properly initialize
3681 ih->nshort. Share ih->name and ih->nshort if possible.
3682 * cpphash.c (_cpp_calc_hash): New function.
3683 (hash_HASHNODE): Just return h->hash.
3684 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3685 htab_find_with_hash.
3686 * cpphash.h: Prototype _cpp_calc_hash.
3687 * cppinit.c (initialize_builtins): Provide a valid hash
3688 to _cpp_make_hashnode, using _cpp_calc_hash.
3690 * cpphash.c (collect_expansion): # is not a special character
3691 in object-like macros. In -traditional mode, /**/ is not
3692 token paste at the beginning or end of the line.
3693 * cpplib.c (do_include, do_import, do_include_next): If
3694 parse_include fails, return immediately.
3696 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3698 * config/arm/arm.md (return peepholes): Update to reflect the new
3700 * config/arm/arm.c (arm_volatile_func): Also check
3701 current_function_nothrow.
3702 (output_return_instruction, output_func_prologue): Use it.
3703 (arm_output_epilogue, arm_expand_prologue): Likewise.
3705 2000-03-27 Tom Tromey <tromey@cygnus.com>
3707 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3710 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3712 * expr.c (store_constructor): SIZE now signed.
3713 For EXPR_SIZE, don't evaluate size; just needed if constant.
3714 * fold-const.c (fold): Fix a number of cases when folded tree is
3716 * function.c (flush_addressof): Reenable.
3717 * tree.h (flush_addressof): Likewise.
3718 * toplev.c (independent_decode_option): Look at strings_processed.
3719 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3721 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3723 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3724 Allow stack adjustment after function call.
3726 * regmove.c (struct csa_memlist): Make mem field rtx *.
3727 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3728 (try_apply_stack_adjustment): Replace whole MEM rtx.
3729 (combine_stack_adjustments_for_block): Update calls
3730 to record_one_stack_ref.
3732 2000-03-28 Neil Booth <NeilB@earthling.net>
3734 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3735 '\\' rather than a null character, so nulls are not special. Fix
3736 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3737 speed trigraph conversion.
3738 (_cpp_init_input_buffer): Initialize trigraph map.
3740 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3742 * config/i386/i386.c (output_387_binary_op): Correct intel
3743 mode assembly output, and add spaces after commas in AT&T
3744 output. Correct Unixware assembler comment. Document input
3745 constraints. Comment fp operations. Reduce profligate buffer
3746 size. Remove extraneous abort. Localize temp var.
3747 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3748 (output_fix_trunc): Add spaces after commas in assembly output.
3750 2000-03-27 Richard Henderson <rth@cygnus.com>
3752 * i386-protos.h (ix86_match_ccmode): Declare.
3753 * i386.c (ix86_match_ccmode): New.
3754 (ix86_expand_fp_compare): Update for pattern renames.
3755 (ix86_expand_strlensi_unroll_1): Likewise.
3756 * i386.h (EXTRA_CC_MODES): Add CCZ.
3757 (SELECT_CC_MODE): Use it for EQ/NE zero.
3758 * i386.md (cmpsi_ccz_1): New.
3760 (*testsi_ccz_1): New.
3761 (testqi_ccz_1): New.
3762 (cmpsi_ccno_1): Rename from cmpsi_0.
3763 (testsi_ccno_1): Rename from testsi_1.
3764 (testqi_ccno_1): Rename from testqi_1.
3765 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3766 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3767 (*cmphi_0): Use ix86_match_ccmode.
3768 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3769 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3770 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3771 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3772 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3773 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3774 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3775 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3776 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3777 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3778 (appropriate peepholes): Likewise.
3779 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3780 (*subsi_3, *subhi_3, *subqi_3): Remove.
3781 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3782 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3783 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3784 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3785 (x86_shift_adj_1): Use CCZ.
3786 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3788 2000-03-27 Stan Cox <scox@cygnus.com>
3790 * resource.h (mark_resource_type): New.
3791 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3792 find_free_register): Use mark_resource_type.
3793 (mark_set_resources): Change include_delayed_effects
3794 to mark_resource_type.
3795 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3796 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3797 Use mark_resource_type.
3799 2000-03-27 Richard Henderson <rth@cygnus.com>
3801 * i386.md (call_pop_0, call_value_pop_0): New.
3802 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3803 (call_value_pop_1): Likewise.
3804 (call_0, call_value_0): New.
3805 (call_1, call_value_1): Remove constraint from unused arg.
3807 2000-03-27 Nick Clifton <nickc@cygnus.com>
3809 * invoke.texi (Spec Files): Document new spec % command created by
3810 Tom Tromey's recent patch.
3812 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3814 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3817 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3819 * expr.c (expand_assignment): Fix typo in last change.
3821 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3823 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3825 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3826 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3827 and DECL_INLINE if FUNCTION_DECL.
3828 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3829 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3830 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3831 (combine_parm_decls): Likewise.
3832 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3833 * print-tree.c (print_node): Likewise.
3834 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3835 DECL_TRANSPARENT_UNION on proper decl types.
3836 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3837 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3838 DECL_BIT_FIELD of FIELD_DECL.
3839 * tree.h (DECL_RESULT_FLD): New macro.
3841 * expr.c (expand_assignment): Add code to handle variable-sized
3844 2000-03-26 Richard Henderson <rth@cygnus.com>
3846 * calls.c (expand_call): Pass parms not original exp to
3847 optimize_tail_recursion. Mind return value instead of looking
3849 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3850 call_expr. Move checks for call_expr and current_function_decl ...
3851 (expand_return): ... here.
3853 2000-03-26 Tom Tromey <tromey@cygnus.com>
3855 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3856 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3858 (process_command): Use them.
3859 (check_live_switch): Likewise.
3860 (give_switch): Skip ignored switches.
3862 2000-03-26 Jan Hubicka <jh@suse.cz>
3864 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3865 for minimal jump pass test.
3867 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3869 * integrate.c (function_cannot_inline_p): Do inline functions that
3872 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3874 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3875 now a list of TREE_LIST entries, not types.
3876 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3878 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3879 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3881 * config/mips/mips.c (function_arg): Likewise; also remove cast
3882 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3883 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3884 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3885 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3886 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3887 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3888 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3889 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3890 num_adjusts now unsigned.
3891 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3892 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3894 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3895 as is BITPOS variable; use host_integerp and int_bit_position.
3896 (function_arg_record_value_2): Likewise.
3897 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3898 Variable REGNO now unsigned.
3899 (function_arg_record_value): NREGS now unsigned.
3901 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3903 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3905 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3907 * Rework fields used to describe positions of bitfields and
3908 modify sizes to be unsigned and use HOST_WIDE_INT.
3909 * alias.c (reg_known_value_size): Now unsigned.
3910 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3911 (really_start_incremental_init): Use bitsize_zero_node.
3912 (push_init_level, pop_init_level, output_init_element): Likewise.
3913 Use bitsize_unit_node and bitsize_one_node.
3914 (output_pending_init_elements, process_init_element): Likewise.
3915 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3916 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3917 HOST_WIDE_INT, respectively.
3918 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3919 (num_sign_bit_copies): Returns unsigned.
3920 BITWIDTH now unsigned; rework arithmetic.
3921 Remove recursive call from arg to MAX.
3922 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3923 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3925 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3926 (find_split_point, expand_compound_operation, make_extraction): LEN
3927 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3928 (make_field_assignment): Likewise.
3929 (combine_simplify_rtx): Add cast.
3930 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3931 (force_to_mode): WIDTH now unsigned; add cast.
3932 (if_then_else_cond): SIZE now unsigned.
3933 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3934 (extended_count): Now returns unsigned.
3935 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3936 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3937 (simplify_comparison): MODE_WIDTH now unsigned.
3938 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3939 (mark_used_regs_combine): Likewise; rework arithmetic.
3940 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3941 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3942 (record_promoted_value): REGNO now unsigned.
3943 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3944 (get_last_value): REGNO now unsigned.
3945 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3946 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3947 (remove_death): Arg REGNO now unsigned.
3948 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3949 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3951 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3952 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3953 (struct cse_reg_info): REGNO now unsigned.
3954 (cached_regno): Now unsigned.
3955 (REGNO_QTY_VALID_P): Add cast.
3956 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3957 (remove_invalid_regs): Likewise.
3958 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3959 as are variables END and I.
3960 (get_cse_reg_info, insert): Likewise.
3961 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3962 (canon_hash): Likewise.
3963 (insert_regs, lookup_for_remove): REGNO now unsigned.
3964 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3966 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3967 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3968 * emit-rtl.c (subreg_realpart_p): Add cast.
3969 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3970 (operand_subword_force): Arg I is now unsigned.
3971 * except.c (eh_regs): Variable I is now unsigned.
3972 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3973 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3974 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3975 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3976 (extract_split_bit_field, store_bit_field, extract_bit_field):
3978 * expr.c (store_constructor_fields, store_constructor, store_field):
3979 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3980 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3981 (do_jump): Likewise.
3982 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3983 MAX_SIZE is now unsigned.
3984 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3985 (emit_group_store): Likewise.
3986 (emit_move_insn): I now unsigned.
3987 (store_constructor): Use host_integerp, tree_low_cst, and
3989 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3990 Rework all calculations to use trees and new fields.
3991 * expr.h (promoted_input_arg): Regno now unsigned.
3992 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3993 (mark_seen_cases): Arg is HOST_WIDE_INT.
3994 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3995 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3996 precisions and alignments are unsigned.
3997 (optimize_bit_field_compare, fold_truthop): Likewise.
3998 (int_const_binop): Adjust threshold for size_int_type_wide call.
3999 (fold_convert): Likewise.
4000 (size_int_type_wide): Make table larger and fix thinko that only
4001 had half of table used.
4002 (all_ones_mask_p, fold): Precisions are unsigned.
4003 * function.c (put_reg_info_stack): REGNO is unsigned.
4004 (instantiate_decl): Size is HOST_WIDE_INT.
4005 (instantiate_virtual_regs): I is unsigned.
4006 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4007 (promoted_input_arg): REGNO is unsigned.
4008 * function.h (struct function): x_max_parm_reg is now unsigned.
4009 * gcse.c (max_gcse_regno): Now unsigned.
4010 (struct null_pointer_info): min_reg and max_reg now unsigned.
4011 (lookup_set, next_set): REGNO arg now unsigned.
4012 (compute_hash_table): REGNO and I now unsigned.
4013 (handle_avail_expr): regnum_for_replacing now unsigned.
4014 (cprop_insn): REGNO now unsigned.
4015 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4016 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4017 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4018 * hard-reg-set.h (reg_class_size): Now unsigned.
4019 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4020 * jump.c (mark_modified_reg): I now unsigned; add cast.
4021 (rtx_equal_for_thread_p): Add cast.
4022 * loop.c (max_reg_before_loop): Now unsigned.
4023 (struct_movable): REGNO now unsigned.
4024 (try_copy_prop): REGNO arg unsigned.
4025 (regs_match_p): XN and YN now unsigned.
4026 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4027 (strength_reduce): Likewise; NREGS also unsigned.
4028 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4029 * loop.h (struct iv_class): REGNO now unsigned.
4030 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4032 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4033 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4034 * optabs.c (expand_binop): I and NWORDS now unsigned.
4035 (expand_unop): I now unsigned.
4036 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4037 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4038 * real.c (significand_size): Now returns unsigned.
4039 * real.h (significand_size): Likewise.
4040 * regclass.c (reg_class_size): Now unsigned.
4041 (choose_hard_reg_mode): Both operands now unsigned.
4042 (record_reg_classes): REGNO and NR now unsigned.
4043 (reg_scan): NREGS now unsigned.
4044 (reg_scan_update): old_max_regno now unsigned.
4045 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4046 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4047 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4048 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4049 Likewise for variable R.
4050 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4051 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4052 (find_equiv_reg): Add casts.
4053 (regno_clobbered_p): Arg REGNO now unsigned.
4054 * reload.h (struct reload): NREGS now unsigned.
4055 (refers_to_regno_for_reload_p): Regno args are unsigned.
4056 (regno_clobbered_p): Likewise.
4057 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4058 (compute_use_by_pseudos): REGNO now unsigned.
4059 (find_reg): I and J now unsigned, new variable K, and change loop
4060 variables accordingly; THIS_NREGS now unsigned.
4061 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4062 (spill_hard_reg): REGNO arg now unsigned; add casts.
4063 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4064 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4065 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4066 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4067 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4068 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4069 (emit_reload_insns): REGNO now unsigned.
4070 (reload_cse_move2add): Add cast.
4071 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4073 * resource.c (mark_referenced_resources, mark_set_resources): New
4074 variable R; REGNO and LAST_REGNO now unsigned.
4075 (mark_target_live_regs): J and REGNO now unsigned.
4076 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4077 * rtl.h (union rtunion_def): New field rtuint.
4078 (XCUINT): New macro.
4079 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4080 (operand_subword, operand_subword_force): Word number is unsigned.
4081 (choose_hard_reg_mode): Operands are unsigned.
4082 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4083 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4084 (regno_use_in, combine_instructions, remove_death): Likewise.
4085 (reg_scan, reg_scan_update): Likewise.
4086 (extended_count): Return is unsigned.
4087 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4088 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4089 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4090 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4091 (reg_reg_last_1): FIRS and LAST now unsigned.
4092 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4093 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4095 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4096 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4097 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4098 (replace_regs): Arg NREGS now unsigned.
4099 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4100 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4101 (simplify_binary_operation): Likewise.
4102 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4103 THIS_LAST now unsigned.
4104 (cselib_record_set): Add cast.
4105 * ssa.c (ssa_max_reg_num): Now unsigned.
4106 (rename_block): REGNO now unsigned.
4107 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4109 (all_cases_count): Just return -1 not -2.
4110 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4111 Rework tests to use trees whenever possible.
4112 Use host_integerp and tree_low_cst.
4113 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4114 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4115 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4116 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4117 (smallest_mode_for_size): Likewise.
4118 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4119 KNOWN_ALIGN is now an alignment, so simplify code.
4120 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4121 (start_record_layout): Renamed from new_record_layout_info.
4122 Update to new fields.
4123 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4125 (place_union_field): Renamed from layout_union_field.
4126 Update to use new fields in rli.
4127 (place_field): Renamed from layout_field.
4128 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4129 (finalize_record_size): Rework to use new fields in rli and handle
4131 (compute_record_mode): Rework to simplify and to use new DECL fields.
4132 (finalize_type_size): Make rounding more consistent.
4133 (finish_union_layout): Deleted.
4134 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4135 (layout_type, case RECORD_TYPE): Call new function names.
4136 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4137 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4138 (get_best_mode): UNIT is now unsigned; remove casts.
4139 * tree.c (bit_position): Compute from new fields.
4140 (byte_position, int_byte_position): New functions.
4141 (print_type_hash_statistics): Cast to remove warning.
4142 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4143 (build_index_type): Likewise; make subtype of sizetype.
4144 (build_index_2_type): Pass sizetype to build_range_type.
4145 (build_common_tree_nodes): Use size_int and bitsize_int to
4146 initialize nodes; add bitsize_{zero,one,unit}_node.
4147 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4148 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4149 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4150 (DECL_FIELD_BITPOS): Deleted.
4151 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4152 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4153 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4154 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4155 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4156 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4157 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4158 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4159 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4160 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4161 (DECL_ALIGN): Adjust to new field in union.
4162 (DECL_OFFSET_ALIGN): New field.
4163 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4164 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4165 (union tree_decl): Add struct for both aligns.
4166 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4167 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4168 (struct record_layout_info): Rework fields to have offset
4169 alignment and byte and bit position.
4170 (start_record_layout, place_field): Renamed from old names.
4171 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4172 (byte_position, int_byte_position): Likewise.
4173 (get_inner_reference): Change types of position and length.
4174 * unroll.c (unroll_loop): New variable R; use for some loops.
4175 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4176 (calculate_giv_inc): Arg REGNO now unsigned.
4177 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4178 * varasm.c (assemble_variable): Clean up handling of size using
4179 host_integerp and tree_low_cst.
4180 (decode_addr_const): Use byte, not bit, position.
4181 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4182 use tree_low_cst and int_bit_position.
4183 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4185 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4187 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4188 (reorder_block_def): New members eff_head and eff_end.
4189 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4190 (verify_insn_chain): New function.
4191 (skip_insns_between_block): Add code to skip deleted insns.
4192 Check for note before using.
4193 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4194 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4195 Check for note before using.
4196 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4197 (fixup_reorder_chain): Restructure, clean up, defect removal.
4198 (reorder_basic_blocks): Remove last_insn and references to it.
4199 Moved insn chain verification code into a new function (see above).
4200 Delete defective code that sets last insn.
4201 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4204 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4206 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4208 2000-03-24 Richard Henderson <rth@cygnus.com>
4210 * tree.c (lang_safe_for_unsave): Remove.
4211 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4212 allowing for two levels of unsafeness. Remove lang hook.
4213 * tree.h: Update declarations.
4214 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4215 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4216 Always fail sibcalls when there are pending cleanups.
4218 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4220 * flow.c (propagate_block): When we delete an ADDR_VEC,
4221 also delete the BARRIER following it if there is one.
4223 2000-03-24 Richard Henderson <rth@cygnus.com>
4225 * builtins.c (expand_builtin_bzero): Convert `length' argument
4228 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4230 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4231 comparison if regno's are equal.
4232 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4233 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4234 (expand_call): Update caller.
4235 Avoid making a sibling call if argument size of the callee is larger
4236 than argument size of the caller.
4237 Call hard_function_value with outgoing set if in sibcall pass.
4238 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4240 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4241 Change LEAF_REGISTERS from an array initializer to actual array
4242 identifier. Move static global variable into the function.
4243 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4244 sequences for leaf functions.
4245 * global.c (global_alloc): Likewise.
4246 * tm.texi (LEAF_REGISTERS): Update documentation.
4248 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4249 TARGET_FLAT leaf disabling hack.
4250 (LEAF_REGISTERS): Changed from an array initializer to actual array
4251 identifier to avoid duplication and remove the above hack.
4252 (FUNCTION_OK_FOR_SIBCALL): Define.
4253 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4254 always like call attribute.
4255 (eligible_for_sibcall_delay): New attribute.
4256 (sibcall): New delay type.
4257 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4258 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4259 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4260 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4261 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4263 (output_function_epilogue): Move part of the code into
4264 output_restore_regs.
4265 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4267 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4270 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4271 until infrastructure is finished.
4273 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4275 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4276 (save_parm_insns): Not here.
4278 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4280 * builtins.c (expand_builtin_bzero): New function.
4281 (expand_builtin): Handle bzero.
4283 * builtins.def: Add BUILT_IN_BZERO.
4285 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4286 prototype & function for bzero.
4288 2000-03-23 Michael Meissner <meissner@redhat.com>
4290 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4291 change adding TARGET_FP to the TF floating point insns, except for
4292 trunctfsf2, which generates direct calls to truncdfsf2.
4294 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4296 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4297 try to protect against middle-end changes that break binary
4299 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4301 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4303 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4305 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4307 * calls.c (expand_call): If TARGET is passed by reference and
4308 is readonly, write a CLOBBER.
4310 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * builtins.c (expand_builtin): Handle bcmp.
4314 * builtins.def: Add BUILT_IN_BCMP.
4316 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4317 prototype & function for bcmp.
4319 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4321 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4322 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4323 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4325 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4327 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4328 alternative when using -fp64 -gp32.
4330 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4332 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4333 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4334 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4336 * frame.h (frame_state): Revert last change.
4337 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4338 * libgcc2.c (throw_helper): Revert last change.
4340 2000-03-22 Richard Henderson <rth@cygnus.com>
4342 * stmt.c (expand_asm_operands): Don't promote the temporary.
4344 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4346 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4347 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4348 c_get_alias_set): Likewise.
4349 * c-decl.c (duplicate_decls): Likewise.
4350 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4351 * calls.c (initialize_argument_information): Likewise.
4352 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4354 * dwarfout.c (decl_class_context,output_type): Likewise.
4355 * expr.c (get_inner_reference): Likewise.
4356 * fold-const.c (simple_operand_p,fold): Likewise.
4357 * function.c (aggregate_value_p): Likewise.
4358 * stmt.c (expand_asm_operands): Likewise.
4359 * varasm.c (named_section): Likewise.
4361 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4363 Implement dwarf2 exception handling for the ARM.
4364 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4365 (DWARF_FRAME_RETURN_COLUMN): Define.
4366 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4367 REG_FRAME_RELATED_EXPR note.
4368 (emit_sfm): Likewise.
4369 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4370 * dwarf2out.c (reg_save): Handle saving a register to itself.
4371 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4372 * except.c (eh_regs): Don't use the static chain reg if it's
4374 * frame.h (frame_state): Add cfa_saved field.
4375 * frame.c (execute_cfa_insn): Set it.
4376 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4378 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4380 (instantiate_virtual_regs): Adjust.
4382 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4383 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4384 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4386 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4387 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4389 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4391 * builtins.def: New file.
4393 * Makefile.in (TREE_H): Depend on builtins.def.
4395 * builtins.c (built_in_names): Use builtins.def.
4397 * tree.h (built_in_function): Likewise.
4399 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4401 * tree.c (size_in_bytes): Return size_zero_node, not
4404 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4406 * config/fp-bit.c (pack_d): Correct the case when a denormal
4407 is rounded up and stops being denormal.
4409 2000-03-21 Richard Henderson <rth@cygnus.com>
4411 * config/alpha/alpha.c (function_arg): Check for void_type_node
4412 before using MUST_PASS_IN_STACK.
4414 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4416 * regmove.c (combine_stack_adjustments_for_block): Check that
4417 the stack pointer is a valid memory address.
4419 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4421 * calls.c: re-install Mar 16 emit_library_call merge.
4423 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4425 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4426 we cannot be sure that if reload_completed base register will
4427 be properly aligned.
4429 2000-03-21 Richard Henderson <rth@cygnus.com>
4431 * flow.c (delete_block): Fix typo last change.
4433 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4435 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4436 not COMPLETE_TYPE_P, to check the type of the expression.
4438 2000-03-21 Michael Meissner <meissner@redhat.com>
4440 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4441 all floating point insns that just tested the macro
4442 TARGET_HAS_XFLOATING_LIBS.
4443 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4444 used to only use the gprs.
4446 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4448 * tree.h (COMPLETE_TYPE_P): New macro.
4449 (COMPLETE_OR_VOID_TYPE_P): New macro.
4450 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4451 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4452 * c-aux-info.c (gen_type): Use them.
4453 * c-common.c (c_expand_expr_stmt): Likewise.
4454 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4455 grokdeclarator, grokparms, finish_struct, start_function,
4456 store_parm_decls, combine_parm_decls): Likewise.
4457 * c-parse.y (cast_expr): Likewise.
4458 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4459 c_size_in_bytes, c_alignof, build_component_ref,
4460 build_indirect_ref, build_array_ref, convert_arguments,
4461 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4462 * calls.c (initialize_argument_information): Likewise.
4463 * convert.c (convert_to_integer): Likewise.
4464 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4465 * dwarfout.c (location_or_const_value_attribute,
4466 output_enumeration_type_die, output_structure_type_die,
4467 output_union_type_die, output_type): Likewise.
4468 * expr.c (safe_from_p, expand_expr): Likewise.
4469 * function.c (assign_parms): Likewise.
4470 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4471 * tree.c (build_array_type, build_function_type,
4472 build_method_type, build_offset_type, build_complex_type): Likewise.
4473 * c-parse.c, c-parse.h: Regenerated.
4475 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4477 * config/c4x/rtems.h: Include config/rtems.h.
4479 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4481 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4482 decl is a FUNCTION_DECL
4484 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4486 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4487 function uses output registers. Don't save RP for leaf functions.
4488 Do save RP even if no epilogue.
4489 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4490 (CALL_USED_REGISTERS): Unmark in registers.
4491 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4494 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4496 * config/rs6000/rs6000.md (bunordered): New expander.
4497 (bordered): New expander.
4498 (buneq): New expander.
4499 (bunge): New expander.
4500 (bungt): New expander.
4501 (bunle): New expander.
4502 (bunlt): New expander.
4503 (bltgt): New expander.
4505 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4506 (ccr_bit_negated_p): New function.
4507 (print_operand): For %C, generate appropriate cror for UNEQ,
4508 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4510 2000-03-20 Andreas Jaeger <aj@suse.de>
4512 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4515 * tree.h (safe_for_unsave): Prototype.
4517 2000-03-20 Richard Henderson <rth@cygnus.com>
4519 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4520 (combine_stack_adjustments_for_block): Don't allow sp references
4521 in the side of a set we're not fixing up.
4522 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4523 after life_analysis.
4525 2000-03-20 Richard Henderson <rth@cygnus.com>
4527 * calls.c (expand_call): Don't bother generating tail call
4528 sequences if there are pending cleanups. Use
4529 expand_start_target_temps/expand_end_target_temps to elide
4530 cleanups created during sibcall expansion.
4532 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4534 * configure.in: Set $IFS to a value if it doesn't already have one
4535 in the --enable-checking handling.
4536 * configure: Regenerate.
4538 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4540 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4541 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4544 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4546 * jump.c (delete_noop_moves): Remove code attempting to
4547 combine stack adjustments.
4549 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4551 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4552 * except.c (emit_cleanup_handler): Use them.
4553 (expand_end_all_catch): Likewise.
4554 * function.c (fixup_var_refs): Likewise.
4555 (expand_function_end): Clear catch_clauses_last.
4556 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4557 * except.h (struct eh_status): New field x_catch_clauses_last.
4558 (catch_clauses_last): New define.
4560 * Makefile.in (tree.o): Depend on HASHTAB_H.
4561 * tree.c: Include hashtab.h.
4562 (struct type_hash): Remove next field.
4563 (TYPE_HASH_SIZE): Remove.
4564 (TYPE_HASH_INITIAL_SIZE): New define.
4565 (type_hash_table): Change type to htab_t.
4566 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4567 mark_hash_entry): New functions.
4568 (init_obstacks): Allocate type hash.
4569 (type_hash_lookup): Use htab functions.
4570 (type_hash_add, mark_type_hash): Likewise.
4571 (dump_tree_statistics): Call print_type_hash_statistics.
4573 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4575 * rs6000/t-aix41: New file.
4577 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4579 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4581 * tm.texi (Driver): Fix typos and tweak entry for
4583 Move misplaced STRUCT_FORCE_BLK entry ...
4584 (Storage Layout): ... to here.
4585 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4587 2000-03-19 Richard Henderson <rth@cygnus.com>
4589 * flow.c (delete_block): Delete the addr_vec along with the block.
4590 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4593 * fold-const.c (extract_muldiv): Apply type check for defined
4594 overflow to multiply as well as divide.
4596 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4598 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4600 * emit-rtl.c (remove_unncessary_notes): Check that all
4601 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4602 associated NOTE_BLOCK.
4603 * function.h (identify_blocks): Update comments.
4604 (reorder_blocks): Declare.
4605 * function.c (identify_blocks): Don't take paramters.
4606 (reorder_blocks): Don't take parameters.
4607 * loop.h (find_loop_tree_blocks): Remove.
4608 (unroll_block_trees): Likewise.
4609 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4610 reorder_blocks instead of unroll_block_trees.h
4611 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4612 * stmt.c (find_loop_tree_blocks): Remove.
4613 (unroll_block_trees): Likewise.
4614 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4615 in whole-function mode.
4616 * tree.h (reorder_blocks): Remove declaration.
4618 * expr.c: Include intl.h.
4619 * Makefile.in (expr.o): Depend on intl.h.
4621 2000-03-18 Richard Henderson <rth@cygnus.com>
4623 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4625 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4627 * tree.h (tree_index): Remove enumerals for integer types.
4628 (integer_type_kind): New type.
4629 (integer_types): New variable.
4630 (char_type_node): Adjust.
4631 (signed_char_type_node): Likewise.
4632 (unsigned_char_type_node): Likewise.
4633 (short_integer_type_node): Likewise.
4634 (short_unsigned_type_node): Likewise.
4635 (integer_type_node): Likewise.
4636 (unsigned_type_node): Likewise.
4637 (long_integer_type_node): Likewise.
4638 (long_unsigned_type_node): Likewise.
4639 (long_long_integer_type_node): Likewise.
4640 (long_long_unsigned_type_node): Likewise.
4641 * tree.c (integer_types): New variable.
4642 (init_obstacks): Register it as a root.
4644 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4646 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4647 NEXT_INSN. Update last insn in chain.
4649 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4651 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4652 with TYPE_DECL_SUPPRESS_DEBUG set.
4654 2000-03-18 Richard Henderson <rth@cygnus.com>
4656 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4658 2000-03-18 Richard Henderson <rth@cygnus.com>
4660 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4661 care for HALF_PIC_P.
4662 (expander_call_insn_operand): Remove.
4663 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4664 * i386.h (PREDICATE_CODES): Update.
4665 * i386.md (all call expanders): Remove predicates, remove special
4666 handling for half-pic.
4667 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4668 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4669 (sibcall_epilogue): New.
4671 2000-03-17 Richard Henderson <rth@cygnus.com>
4673 * rtlanal.c (single_set): Reject if the parallel has anything
4674 except SET or USE or CLOBBER.
4676 2000-03-17 Jeff Law <law@cygnus.com>
4677 Richard Henderson <rth@cygnus.com>
4679 * Makefile.in (OBJS): Add sibcall.o.
4681 * sibcall.c: New file.
4682 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4683 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4684 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4685 Emit sibcall patterns when requested. Update all callers.
4686 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4687 elimination seems feasable.
4688 * final.c (leaf_function_p): Sibling calls don't discount being
4690 * flow.c (HAVE_sibcall_epilogue): Provide default.
4691 (find_basic_blocks_1): Sibling calls don't throw.
4692 (make_edges): Make edge from sibling call to EXIT.
4693 (propagate_block): Don't remove sibcall_epilogue insns.
4694 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4695 (sibcall_epilogue): New.
4696 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4697 (identify_blocks_1): Likewise. Break out from ...
4698 (identify_blocks): ... here.
4699 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4700 (reorder_blocks): ... here.
4701 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4702 (record_insns): Extend a varray instead of mallocing new memory.
4703 (contains): Read a varray not array of ints.
4704 (sibcall_epilogue_contains): New.
4705 (thread_prologue_and_epilogue_insns): Emit and record
4706 sibcall_epilogue patterns.
4707 (init_function_once): Allocate prologue/epilogue varrays.
4708 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4709 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4711 (save_for_inline_nocopy): ... here.
4712 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4714 (expand_inline_function): ... here.
4715 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4716 (subst_constants): Handle 'n' formats.
4717 * jump.c (jump_optimize_minimal): New.
4718 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4719 optimizations if it's set.
4720 * rtl.c (copy_rtx): Do copy jump & call for insns.
4721 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4722 (SIBLING_CALL_P): New.
4723 (sibcall_use_t): New.
4724 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4725 Invoke optimize_sibling_and_tail_recursive_calls.
4726 * tree.c (lang_safe_for_unsave): New.
4727 (safe_for_unsave): New.
4728 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4730 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4731 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4732 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4734 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4736 * objc/objc-act.c (encode_method_prototype): Pass types, not
4737 PARM_DECLs, to int_size_in_bytes.
4739 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4741 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4743 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4744 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4746 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4748 * Clean up usages of TREE_INT_CST_LOW.
4749 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4750 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4752 * c-tree.h (min_precision): Move declaration to here.
4753 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4754 (build_unary_op, add_pending_init): Use bit_position.
4755 (pending_init_member, process_init_element): Likewise.
4756 (really_start_incremental_init, push_init_level, pop_init_level):
4757 Don't make copies of nodes or modify them in place, use consistent
4758 types when tracking positions, and use tree routines computations.
4759 (set_init_index, output_init_element): Likewise.
4760 (output_pending_init_elements, process_init_element): Likewise.
4761 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4762 tree_low_cst and int_bit_position; also minor cleanup.
4763 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4764 (print_cst_octal): Precision is unsigned.
4765 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4766 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4767 (simple_type_align_in_bits): Result is unsigned int.
4768 Use tree_int_low_cst and host_integerp.
4769 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4770 (field_byte_offset): Result is HOST_WIDE_INT.
4771 Change types of internal variables so alignments are unsigned int,
4772 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4773 Use host_integerp, tree_low_cst, and int_bit_position.
4774 (add_bit_offset_attribute): Likewise.
4775 (add_data_member_location_attribute): Use tree_cst_low.
4776 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4777 (add_bit_size_attribute): Use tree_low_cst.
4778 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4779 * dwarfout.c: Similar changes to dwarf2out.c.
4780 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4781 * genoutput.c (n_occurences): Return -1 for null string.
4782 (strip_whitespace): Accept null string and make into function.
4783 (scan_operands): Reflect above changes.
4784 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4785 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4786 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4787 * tree.c (int_size_in_bytes): Check for too big to represent.
4788 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4789 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4791 (min_precision): Delete from here.
4792 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4793 and int_bit_position.
4794 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4795 (encode_method_def): Likewise.
4796 (build_ivar_list_initializer): Use int_bit_position.
4797 (generate_shared_structures): Convert size.
4798 (encode_type, encode_complete_bitfield): Use integer_zerop.
4799 (encode_bitfield): Use tree_low_cst and int_bit_position.
4801 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4803 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4805 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4807 * call.c (special_function_p): It is only malloc if it returns
4810 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4812 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4813 (C33_FLAG, TARGET_C3X): Add macros.
4814 (TARGET_SWITCHES): Add -m33 option.
4815 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4817 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4819 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4820 (PARALLEL_PACK_FLAG): Delete.
4821 (TARGET_SWITCHES): Update.
4822 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4824 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4826 * fold-const.c (fold): Fix a few cases when the returned result
4827 is not of the same type as the input.
4829 2000-03-16 Nick Clifton <nickc@cygnus.com>
4831 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4834 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4836 * libgcc2.h: Move prototypes above macros with the same name.
4837 Wrap some function prototypes in the conditional which indicates
4838 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4840 2000-03-16 Richard Henderson <rth@cygnus.com>
4842 * calls.c: Revert last two changes.
4844 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4846 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4847 has exponent 0 is a zero.
4849 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4850 HASH may already be nonzero. Add code/mode into hash value
4851 immediately after repeat label.
4852 (cselib_lookup): Don't leave the hash table in an inconsistent
4853 state before a hash lookup operation.
4855 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4857 * i386.md (all HI and QI mode non-move patterns): Conditionize
4858 by TARGET_[HQ]IMODE_MATH.
4859 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4860 x86_promote_qi_regs): Declare.
4861 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4862 TARGET_PROMOTE_QI_REGS): New macros.
4863 (PROMOTE_MODE): New macro.
4864 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4865 x86_promote_qi_regs): New global variables.
4867 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4869 * calls.c (emit_library_call_value_1): Break out from ...; handle
4870 VOIDmode function calls too.
4871 (emit_library_call_value): ... here.
4872 (emit_library_call): Implement by calling emit_library_call_value_1.
4874 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4876 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4877 Update arg_space_so_far on stack adjustments.
4878 (emit_library_call, emit_library_call_value): Likewise; take into
4879 account arg_space_so_far and pending_stack_adjust when calculcating
4882 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4884 * flow.c: Move all basic block reordering code into its own file.
4885 (create_basic_block): Externalize.
4886 * bb-reorder.c: New file. Copy all basic block reordering code from
4887 flow.c to this file.
4888 (reorder_basic_blocks): Fix fencepost error in for-loop.
4889 (reorder_basic_blocks): Remove braces from single statement for-loops.
4890 * basic-block.h: Add declaration for create_basic_block.
4891 * Makefile.in: Add rules for bb-reorder.o.
4893 2000-03-16 Neil Booth <NeilB@earthling.net>
4895 * cppinit.c (handle_option): Implement #unassert directive
4896 as -A- command line option.
4897 (print_help): Update.
4898 * cpptexi.c: Update.
4900 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4902 * md.texi (Standard Names): Document `jump'.
4904 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4906 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4909 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4911 Merge changes from newppc-branch onto trunk.
4913 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4915 * rs6000.c (toc_hash_table): Update for new hash table functions.
4916 (toc_hash_function): Likewise.
4917 (toc_hash_eq): Likewise.
4918 (toc_hash_mark_entry): Likewise.
4919 (toc_hash_mark_table): Likewise.
4920 (output_toc): Likewise.
4921 (rs6000_add_gc_roots): Likewise.
4923 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4925 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4926 (AR_FLAGS_FOR_TARGET): here. New macro.
4928 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4930 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4931 fpmem_operand) Delete.
4933 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4934 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4935 (rs6000_save_machine_status, rs6000_restore_machine_status,
4936 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4937 references to above variables.
4938 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4939 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4940 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4941 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4942 (XER_REGNO_P, XER_REGNO): New.
4943 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4944 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4945 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4947 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4948 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4949 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4951 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4953 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4954 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4955 * rs6000.h: from here.
4957 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4958 (rs6000_select_rtx_section): Likewise.
4959 (rs6000_encode_section_info): Likewise.
4960 (sdata_section): Likewise.
4961 (sdata2_section): Likewise.
4962 (sbss_section): Likewise.
4963 * sysv4.h (rs6000_select_section): Delete prototype.
4964 (rs6000_select_rtx_section): Likewise.
4965 (rs6000_encode_section_info): Likewise.
4966 (sdata_section): Likewise.
4967 (sdata2_section): Likewise.
4968 (sbss_section): Likewise.
4969 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4971 * sysv4.h: Delete various unnecessary #undef's and put a comment
4972 on the remaining ones.
4973 Change various comments according to coding standard.
4975 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4977 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4978 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4979 (CR0_REGNO_P) Remove.
4980 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4981 setup_incoming_varargs, mtcrf_operation, print_operand,
4982 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4983 Use the above macros.
4985 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4987 * config/rs6000/rs6000.md: Added a new alternative for each
4988 pattern that had a 'x' alternative but no 'y' alternative.
4989 Added a new split for each of the above patterns.
4991 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4993 * aix41.h (ASM_CPU_SPEC): Delete.
4994 (CPP_CPU_SPEC): Delete.
4996 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4997 (ASM_OUTPUT_LABEL): Define.
4998 (ASM_GLOBALIZE_LABEL): Define.
4999 (STRIP_NAME_ENCODING): Define.
5000 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5001 (STRIP_NAME_ENCODING): Don't define.
5002 (ASM_OUTPUT_LABEL): Don't define.
5003 (ASM_GLOBALIZE_LABEL): Don't define.
5004 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5005 names, and ASM_OUTPUT_LABEL to output labels, rather than
5007 (ASM_OUTPUT_LABEL): Define.
5008 (ASM_OUTPUT_INT): Use assemble_name.
5009 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5010 (STRIP_NAME_ENCODING): Don't undefine first.
5011 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5013 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5014 specified with 'asm' even with -fleading-underscore.
5015 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5016 (output_epilog): Likewise.
5017 (output_toc): Likewise.
5018 * tramp.asm: Handle -fleading-underscore correctly.
5020 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5022 (nonlocal_goto_receiver): Delete.
5023 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5025 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5026 (SET_ASM_OP): Define.
5027 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5029 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5032 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5033 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5035 * rs6000.h: Add 'u' to more constants.
5037 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5039 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5041 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5043 * rs6000.c (reg_or_u_cint_operand): New function.
5044 (logical_operand): Handle 64-bit hosts.
5045 (logical_u_operand): New function.
5046 (non_logical_cint_operand): Handle 64-bit hosts.
5047 (non_logical_u_cint_operand): New function.
5048 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5049 (PREDICATE_CODES): Define new functions.
5050 * rs6000-protos.h: Declare new functions.
5051 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5052 (movdi_64): Bracket code intended for 64-bit hosts. Create
5053 CONST_DOUBLE for 32-bit values.
5054 (scc insns): Generate DImode compares.
5055 (mfcr insns): Create DImode versions.
5056 (sge matchers): New patterns.
5058 2000-02-15 Gabriel Paubert <paubert@iram.es>
5060 * rs6000.md: Correct instructions length attributes and
5061 constraints on unsigned compare instructions.
5062 (*ne0): Disable for PowerPC64.
5064 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5066 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5067 quantity, fix profile1.C test failure under -fPIC.
5069 * rs6000.c: Add 'u' to many constants to suppress warnings.
5070 (constant_pool_expr_1): Make static.
5071 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5072 * rs6000.h: Add 'u' to many constants to suppress warnings.
5074 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5075 for the start of the TOC, instead of LCTOC..0.
5076 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5078 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5079 (load_toc_aix_di): Use LCTOC..1.
5081 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5082 * rs6000.c (rs6000_legitimize_address): New function from
5083 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5084 symbols in the constant pool that really are TOC references.
5085 (print_operand_address): For ELF, write TOC offsets under
5086 -fPIC as subtractions in the insn.
5087 (output_toc): For ELF, define symbols in TOC as normal labels,
5089 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5090 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5091 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5092 * rs6000.md (movsi): Only use create_TOC_reference on
5093 symbols in the constant pool that really are TOC references.
5095 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5096 * rs6000.c (rs6000_reorg): Delete.
5097 * rs6000-protos.h (rs6000_reorg): Delete.
5099 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5101 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5103 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5104 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5105 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5106 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5107 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5108 rs6000_aix_emit_builtin_unwind_init.
5109 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5110 rs6000_emit_eh_toc_restore on AIX.
5111 (return_eh_si): Use r2.
5112 (return_eh_di): Use r2.
5114 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5115 since we're breaking binary compatibility anyway.
5117 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5119 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5120 constant_pool_expr_p): Declare them.
5121 (constant_pool_expr_p): Declare it.
5122 * config/rs6000/rs6000.c (toc_label_name): Define.
5123 (rs6000_override_options): Set toc_label_name.
5124 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5125 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5126 uses_TOC): New functions.
5127 (print_operand): Delete old '*' case.
5128 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5129 and strip off rtl for TOC before calling output_addr_const.
5130 (rs6000_emit_load_toc_table): Use toc_label_name.
5131 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5133 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5134 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5135 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5136 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5137 into explicit TOC_REGISTER offsets.
5138 (TOC_REGISTER): New macro.
5139 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5140 TARGET_TOC to reference TOC_REGISTER.
5141 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5142 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5143 uses_TOC before emitting label references.
5145 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5147 * rs6000.md (stack_tie): Fix warning.
5149 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5150 to handle -fleading-underscore.
5151 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5152 (USER_LABEL_PREFIX): New macro.
5153 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5154 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5155 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5156 call-linux can use the same multilibs.
5157 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5158 and call-linux multilibs. Do multilib with -fleading-underscore.
5159 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5160 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5163 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5164 have MASK_SOFT_FLOAT set.
5165 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5166 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5167 CPP_FLOAT_DEFAULT_SPEC.
5169 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5170 * rs6000.md: Whitespace change.
5171 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5172 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5174 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5176 * rs6000.md (eh_epilogue): New expander.
5177 (eh_reg_restore): New expand/split/insn combination.
5178 (return_eh_si): New insn.
5179 (return_eh_di): New insn.
5181 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5182 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5183 * eabi-ctors.c (__do_global_ctors): Register this object's
5184 frame. Clean up. Call atexit() after the constructors.
5185 (__do_global_dtors): Deregister this object's frame. Clean up.
5186 Allow for recursive calls to exit().
5187 * rs6000.c (fixuplabelno): New variable.
5188 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5189 TARGET_RELOCATABLE, it slows down exec() under linux.
5190 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5192 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5193 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5194 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5195 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5196 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5197 (ASM_OUTPUT_DWARF_ADDR): New macro.
5198 (ASM_OUTPUT_DWARF_DATA4): New macro.
5199 (ASM_OUTPUT_DWARF_DATA2): New macro.
5200 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5201 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5202 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5204 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5206 * rs6000.c (rs6000_sr_alias_set): New variable.
5207 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5208 (rs6000_emit_stack_tie): New function.
5209 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5210 in a way that dwarf2out can understand.
5211 (rs6000_frame_related): New function.
5212 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5213 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5214 Use rs6000_emit_stack_tie when needed.
5215 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5216 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5217 * rs6000.md (stack_tie): New insn.
5218 (return_internal_si): Allow return value to be in the count
5220 (return_internal_di): Likewise.
5222 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5224 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5226 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5228 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5230 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5232 * rs6000.md (stmw): Use the right POWER opcode.
5235 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5237 * rs6000-protos.h: New file.
5239 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5241 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5244 * sysv4.h: Likewise.
5246 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5248 * ../../configure.in: Delete powerpcle-*-winnt*
5249 and powerpcle-*-pe|powerpcle-*-cygwin*.
5250 * ../../configure: Regenerated.
5252 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5253 (TARGET_WINDOWS_NT): Delete.
5255 (CALL_NT_DLLIMPORT): Delete.
5256 Delete NT-specific code.
5257 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5260 * nt-ci.asm: Delete.
5261 * nt-cn.asm: Delete.
5262 * ntstack.asm: Delete.
5264 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5266 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5267 (ASM_FILE_START): Likewise.
5268 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5269 (ASM_OUTPUT_LABELREF): Likewise.
5270 (ASM_OUTPUT_SKIP): Likewise.
5271 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5272 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5273 (ASM_OUTPUT_CASE_LABEL): Likewise.
5274 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5275 (ASM_OUTPUT_ASCII): Likewise.
5277 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5279 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5280 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5281 increment rs6000_pic_labelno here.
5282 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5283 and increment rs6000_pic_labelno here.
5285 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5287 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5288 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5289 allocation knows (reg) is dead before the insn.
5291 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5293 * rs6000.md (movsi_to_cr): Correct typo in output template.
5295 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5297 * rs6000.c (rs6000_pic_labelno): Always define.
5298 (rs6000_pic_func_labelno): Delete.
5299 (lmw_operation): Check for a zero base register,
5300 which doesn't mean what we want.
5301 (stmw_operation): New function.
5302 (print_operand): Define new 'l' modifier.
5303 (rs6000_stack_info): We must save all 64 bits of the registers
5304 if TARGET_POWERPC64.
5305 (rs6000_output_load_toc_table): Delete.
5306 (rs6000_emit_load_toc_table): New function.
5307 (rs6000_allocate_stack_space): Delete.
5308 (rs6000_emit_allocate_stack): New function.
5309 (rs6000_emit_prologue): New function.
5310 (output_prolog): Use rs6000_emit_prologue.
5311 (rs6000_emit_epilogue): Change a few variable names to be
5312 more accurate. Restore all 64 bits of the registers if
5313 TARGET_POWERPC64. Only restore the FP registers which were used
5314 if they are being saved/restored one-at-a-time.
5315 (output_mi_thunk): Delete inefficient code generation.
5316 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5317 * rs6000.h: Declare rs6000_emit_load_toc_table,
5318 rs6000_allocate_stack_space, stmw_operation. Don't declare
5319 rs6000_output_load_toc_table.
5320 * rs6000.md (elf_high): Allow register 0, but discourage it
5322 (elf_low): Support loading into register 0.
5323 (load_toc_aix_si): New pattern.
5324 (load_toc_aix_di): New pattern.
5325 (load_toc_v4_pic_si): New pattern.
5326 (load_toc_v4_pic_di): New pattern.
5327 (load_toc_v4_PIC_1): New pattern.
5328 (load_toc_v4_PIC_1b): New pattern.
5329 (load_toc_v4_PIC_2): New pattern.
5330 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5331 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5332 (prologue): New expander.
5333 (movesi_from_cr): New pattern.
5334 (stmw): New pattern.
5335 (save_fpregs_si): New pattern.
5336 (save_fpregs_di): New pattern.
5338 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5340 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5345 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5347 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5349 (movsi_got_internal): Likewise.
5350 (movsi_got_internal+1): Likewise.
5351 (set_sp): 'unspec 7' does a SImode clobber.
5353 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5355 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5356 allocate a stack temporary.
5357 (floatsidf2_internal): Likewise.
5358 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5360 (floatunssidf2): Don't use the fpmem "register", just
5361 allocate a stack temporary.
5362 (floatunssidf2_internal): Likewise.
5363 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5365 (floatsidf2_loadaddr): Delete.
5366 (floatsidf2_store1): Delete.
5367 (floatsidf2_store2): Delete.
5368 (floatsidf2_load): Delete.
5369 (fix_truncdfsi2): Don't use the fpmem "register", just
5370 allocate a stack temporary.
5371 (fix_truncdfsi2_internal_si): Delete.
5372 (fix_truncdfsi2_internal_di): Delete.
5373 (fix_truncdfsi2_internal): New insn.
5374 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5375 (fix_truncdfsi2_store): Delete.
5376 (fix_truncdfsi2_load): Delete.
5377 (fctiwz): Produce gen_fctiwz.
5379 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5381 * eabi.h (INVOKE__main): Define.
5382 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5384 (rs6000_emit_prologue): Likewise.
5385 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5386 this is the main program.
5388 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5390 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5392 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5394 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5395 goes after the argument.
5397 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5399 * rs6000.md: Document 'unspec' values used.
5400 (epilogue): New expander.
5401 (movesi_to_cr_one): New expander.
5402 (movesi_to_cr and following): New pattern.
5404 (return_internal_si): New pattern.
5405 (return_internal_di): New pattern.
5406 (return_and_restore_fpregs_si): New pattern.
5407 (return_and_restore_fpregs_di): New pattern.
5408 * rs6000.h: Declare new functions.
5409 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5410 rather than rs6000_calls_p.
5411 (rs6000_makes_calls): Delete.
5412 (lmw_operation): New function.
5413 (mtcrf_operation): New function.
5414 (rs6000_emit_epilogue): New function.
5415 (output_epilog): Call rs6000_emit_epilogue and final if
5416 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5418 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5420 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5421 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5422 * aix.h (SUBTARGET_SWITCHES): Document switches.
5423 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5424 sched-prolog and sched-epilog the same. Document all the
5426 (TARGET_OPTIONS): No longer allow -mdebug-.
5428 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5430 * rs6000.h (ASM_FILE_END): Move to aix.h.
5431 (EXTRA_SECTIONS): Move to aix.h.
5432 (READONLY_DATA_SECTION): Move to aix.h.
5433 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5434 (SELECT_SECTION): Move to aix.h.
5435 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5436 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5437 (LINK_REGISTER_REGNUM): New definition.
5438 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5439 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5441 * sysv4.h: Delete the code between the inclusion of rs6000.h
5443 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5444 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5445 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5446 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5447 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5448 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5449 (fix_truncdfsi2_internal_di): New pattern.
5450 (fix_truncdfsi2_store): The second arg here is Pmode too.
5451 (fix_truncdfsi2_load): The second arg here is Pmode too.
5452 (tablejumpdi): Now that switch tables hold only SImode values,
5453 gcc needs to know how to add them to the pc which is DImode.
5454 * rs6000.c (rs6000_stack_info): Use symbolic name for
5455 LINK_REGISTER_REGNUM.
5456 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5457 (output_toc): Delete unused variables s1 and s2.
5458 (output_ascii): Use fputs not fprintf on a variable string.
5460 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5462 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5463 * aix43.h: Revert Aug 2 change.
5464 (HAS_INIT_SECTION): Define, not visible yet.
5465 (LD_INIT_SWITCH): Define, not visible yet.
5466 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5468 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5470 * config/rs6000/rtems.h: Include config/rtems.h.
5472 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5474 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5475 (SLOW_UNALIGNED_ACCESS): Define.
5476 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5477 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5478 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5479 (toc_section): Likewise and .toc pseudo-op.
5480 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5482 (TEXT_SECTION_ASM_OP): Likewise.
5483 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5486 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5488 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5489 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5492 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5494 * rs6000.h: Move more stuff from here...
5496 * sysv4.h: Cleanup accordingly.
5497 * netware.h: Likewise
5499 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5501 * rs6000.h: Continue cleanup.
5504 * netware.h: Likewise.
5506 * sysv4.h: Likewise.
5507 * win-nt.h: Likewise.
5509 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5510 (TARGET_OPTIONS): Likewise.
5512 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5513 (SUBTARGET_OPTIONS): Likewise.
5515 * rs6000.md: Fix compile time warnings.
5517 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5519 vxworks patches from the Cygnus tree originally by
5520 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5521 <vmakarov@cygnus.com>.
5522 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5523 (ENDFILE_SPEC): Likewise.
5524 (LIB_VXWORKS_SPEC): New macro.
5525 (STARTFILE_VXWORKS_SPEC): New macro.
5526 (ENDFILE_VXWORKS_SPEC): New macro.
5527 (LINK_START_VXWORKS_SPEC): New macro.
5528 (LINK_OS_VXWORKS_SPEC): New macro.
5529 (CPP_OS_VXWORKS_SPEC): New macro.
5530 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5531 * vxppc.h: Rewrite to use proper configuration method.
5532 * vxppcle.h: New file.
5533 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5534 * ../../configure: Rebuilt.
5536 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5538 Lots of changes to rs6000.h, sysv4.h, aix.h,
5539 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5540 with the aim that rs6000.h is the first header
5541 included and the others override it.
5544 * x-aix41-gld: Remove.
5546 * x-aix41: Remove target-specific switches, and don't specify
5547 -Wl,-bbigtoc as we don't need it any more.
5548 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5549 Use t-aix43 for AIX 4.3 and above.
5550 * ../../configure: Regenerated.
5552 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5553 options, that don't do anything yet.
5554 (MASK_SCHED_PROLOG): New macro.
5555 (MASK_SCHED_EPILOG): New macro.
5556 (TARGET_SCHED_PROLOG): New macro.
5557 (TARGET_SCHED_EPILOG): New macro.
5559 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5561 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5562 one per translation unit, not one per function.
5563 (output_toc): Also do duplicate constant elimination
5564 for per-translation-unit TOCs.
5566 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5567 a comment explaining _exactly_ when this pattern gets used.
5568 (builtin_setjmp_receiver): New pattern for better clarity.
5569 (init_v4_pic): Move it into a section dealing with TOC registers.
5571 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5573 * rs6000.c (toc_hash_table): New variable.
5574 (rs6000_hash_constant): New function.
5575 (toc_hash_function): New function.
5576 (toc_hash_eq): New function.
5577 (toc_hash_mark_entry): New function.
5578 (toc_hash_mark_table): New function.
5579 (output_toc): Don't output duplicate TOC entries in
5581 (rs6000_add_gc_roots): Add the hash table as a GC root.
5582 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5583 where they clearly shouldn't be. This may need to be fixed
5584 later when there is a GNU ar for AIX.
5585 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5586 Don't define BOOT_LDFLAGS as it is now not necessary.
5588 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5590 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5591 for va_list on AIX. Use unsigned_char_type_node rather than
5592 constructing our own version on svr4.
5594 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5596 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5597 since patently it's not.
5599 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5601 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5602 define_expand/define_insn pair, and handle restore of the
5603 SVR4 -fpic register.
5605 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5607 * acconfig.h (HAVE_GAS_WEAK): New define.
5608 * configure.in (assembler weak support): Check for .weak support.
5609 * config.in, configure: Rebuilt.
5610 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5611 HAVE_GAS_WEAK is defined.
5613 2000-03-15 Nick Clifton <nickc@cygnus.com>
5615 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5618 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5620 * cppfiles.c (open_include_file): New function.
5621 (find_include_file, cpp_read_file): Use it.
5623 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5625 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5627 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5629 * flow.c (verify_flow_info): Check for unconditional return.
5631 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5633 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5634 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5635 (__ia64_restore_stack_nonlocal): New.
5636 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5638 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5640 * cpphash.c (collect_formal_parameters): Do not complain about
5641 parameter names that just start with `__VA_ARGS__'.
5643 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5645 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5646 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5647 * i386.c (pentiumpro_cost): Set mul cost to 4.
5648 (x86_use_movx): Set for PPro.
5650 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5652 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5653 STACK_BOUNDARY for empty frames now.
5655 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5657 * stor-layout.c (layout_union): Remove.
5658 (layout_union_field): New function, split out from layout_union.
5659 (finish_union_layout): Likewise.
5660 (layout_field): Handle unions by calling layout_union_field.
5661 (finish_record_layout): Handle unions.
5662 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5663 QUAL_UNION_TYPE handling.
5665 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5667 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5668 end of basic block is jump_insn, not barrier; use create_basic_block
5669 instead of creating basic block by hand.
5671 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5673 * flow.c (reorder_basic_blocks): Account for barriers when writing
5674 over NEXT_INSN (last_bb->end).
5675 (verify_flow_info): Add check for missing barriers.
5677 2000-03-14 Greg McGary <gkm@gnu.org>
5679 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5680 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5681 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5682 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5683 __unbounded, __unbounded__): New keywords.
5684 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5685 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5686 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5688 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5690 * cselib.h: New file.
5691 * alias.c: Include "cselib.h".
5692 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5693 MEMs as two new arguments.
5694 (get_addr): New static function.
5695 (find_base_term): Handle VALUEs.
5696 (memrefs_conflict_p): Likewise.
5697 (true_dependence): Call get_addr on the addresses.
5698 Call fixed_scalar_and_varying_struct_p with addresses that have been
5699 passed through get_addr and canon_rtx.
5700 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5701 with true_dependence.
5702 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5703 * loop.c: Include "cselib.h".
5704 (load_mems): Process extended basic block that enters the loop with
5705 cselib. Use that information to change initialization of the shadow
5706 register so that a constant equivalence is seen by later passes.
5707 * reload1.c: Include "cselib.h".
5708 (reload_cse_invalidate_regno): Delete function.
5709 (reload_cse_mem_conflict_p): Likewise.
5710 (reload_cse_invalidate_mem): Likewise.
5711 (reload_cse_invalidate_rtx): Likewise.
5712 (reload_cse_regno_equal_p): Likewise.
5713 (reload_cse_check_clobber): Likewise.
5714 (reload_cse_record_set): Likewise.
5715 (reg_values): Delete static variable.
5716 (invalidate_regno_rtx): Likewise.
5717 (reload_cse_delete_noop_set): New static function.
5718 (reload_cse_simplify): New static function, broken out of
5720 (reload_cse_noop_set_p): Delete unused argument INSN.
5721 Just call rtx_equal_for_cselib_p on set source and destination.
5722 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5723 reload_cse_delete_noop_set. Delete code to keep track of values; use
5724 cselib functions instead. Delete code to push/pop obstacks.
5725 (reload_cse_simplify_set): Use cselib to find equivalent values.
5726 Delete code to push/pop obstacks.
5727 (reload_cse_simplify_operands): Likewise.
5728 * rtl.def (VALUE): New rtx code.
5729 * rtl.h (union rtunion_def): New elt rt_cselib.
5730 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5731 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5732 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5733 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5734 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5735 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5736 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5737 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5738 cselib_record_set, cselib_record_sets): New static functions.
5739 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5740 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5741 references_value_p): New functions.
5742 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5743 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5744 n_useless_values, reg_values, callmem, cselib_obstack,
5745 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5746 New static variables.
5747 * varray.h (union varray_data_tag): New elt te.
5748 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5749 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5752 2000-03-14 Nick Clifton <nickc@cygnus.com>
5754 * gcc.c (do_spec_1): Catch the case where %* is used in a
5755 substitution pattern, but it has not been initialised.
5756 Issue a meaningful error message if an unrecognised operator
5757 is encountered in a spec string.
5759 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5761 * function.c (prepare_function_start): Correctly initialize
5762 cfun->stack_alignment_needed.
5764 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5766 * cppfiles.c (find_include_file): Don't assume nshort is a
5769 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5771 * configure.in (hppa configurations): Add pa32-regs.h to the
5772 list of tm files as appropriate.
5773 * configure: Rebuilt.
5774 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5776 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5777 (fmpyaddoperands, fmpysuboperands): Likewise.
5778 * pa.h: Remove various definitions which depend on knowing
5779 how registers are numbered.
5780 * pa32-regs.h: New file with PA32 register numbering specific
5783 2000-03-14 Richard Henderson <rth@cygnus.com>
5785 * regmove.c (combine_stack_adjustments): New.
5786 (stack_memref_p, single_set_for_csa): New.
5787 (free_csa_memlist, record_one_stack_memref): New.
5788 (try_apply_stack_adjustment): New.
5789 (combine_stack_adjustments_for_block): New.
5790 * rtl.h (combine_stack_adjustments): Declare.
5791 * toplev.c (rest_of_compilation): Call it.
5793 * i386.md: Revert 2000-01-16 change.
5795 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5797 * gccbug.in: Add web category, gcc specific classes.
5799 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5801 * stor-layout.c (finalize_record_size): Fix typo.
5803 2000-03-14 Stan Shebs <shebs@apple.com>
5805 * c-typeck.c (c_alignof): Error on incomplete types.
5806 * extend.texi (Alignment): Document this.
5808 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5810 * cppfiles.c: Include mkdeps.h.
5811 (find_include_file, read_include_file): Remove _cpp_ prefix
5812 from name, make static.
5813 (_cpp_execute_include): New function, broken out of
5816 * cpplib.c: Don't include mkdeps.h.
5817 (struct directive): Remove type field. Reorder entries. The
5818 function takes only one argument.
5819 (struct if_stack): Make type field an int.
5820 (directive_table): Rename to dtable. Generate it, the
5821 prototypes of the directive handlers, and the enum for the
5822 directive numbers, from a template macro.
5823 (do_ifndef, do_include_next, do_import): New functions.
5824 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5825 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5826 do_ident, do_assert, do_unassert, do_sccs): Take only one
5828 (do_sccs): Define always, but alter behavior based on
5830 (_cpp_handle_directive, consider_directive_while_skipping):
5831 Restructure for new directive table layout.
5833 (pass_thru_directive): Take a directive number, not a pointer
5834 to a struct directive.
5835 (parse_include): New function, broken out of do_include.
5836 (do_include, do_import, do_include_next): Use parse_include
5837 and _cpp_execute_include.
5838 (do_elif, do_else): Test for T_ELSE specifically when checking
5839 for #elif/#else after #else.
5840 (parse_ifdef): New function, broken out of do_ifdef.
5841 (validate_else): Expect a name arg without a leading #.
5842 (if_directive_name): Delete.
5843 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5844 directive handlers with only one argument.
5846 * cpphash.h: Update prototypes.
5847 (enum node_type): Remove entries for directives.
5848 * Makefile.in: Update dependencies.
5850 * cpphash.c (dump_hash_helper): Only dump nodes of type
5851 T_MACRO. Emit a newline after each definition.
5853 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5855 * gccbug.in: New file.
5856 * configure.in (all_outputs): Add gccbug.
5857 * Makefile.in (install-common): Install gccbug.
5858 (GCCBUG_INSTALL_NAME): New variable.
5859 * configure: Rebuilt.
5861 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5863 * function.c (put_var_into_stack): Use type_for_mode to calculate
5864 part_type. Use MEM_SET_IN_STRUCT_P.
5865 * expr.c (store_field): Handle CONCAT.
5866 (store_constructor): Use fields_length.
5867 * tree.c (fields_length): New fn.
5868 * tree.h: Declare it.
5870 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5872 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5873 (cpplex.o): New target.
5874 * po/POTFILES.in: Add cpplex.c.
5876 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5877 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5878 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5879 skip_block_comment, skip_line_comment, skip_comment,
5880 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5881 _cpp_parse_name, skip_string, parse_string,
5882 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5883 _cpp_get_directive_token, find_position,
5884 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5885 (maybe_macroexpand, _cpp_lex_token): New functions.
5887 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5888 parse_goto_mark): Delete.
5889 (_cpp_handle_eof): New function.
5890 (_cpp_handle_directive): Rename from handle_directive.
5891 (_cpp_output_line_command): Rename from output_line_command.
5892 (do_if, do_elif): Call _cpp_parse_expr directly.
5893 * cppfiles.c (_cpp_read_include_file): Don't call
5894 init_input_buffer here.
5895 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5896 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5897 here; pop the token_buffer and skip the rest of the line here.
5898 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5901 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5903 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5904 CPP_GOTO_MARK): New macros.
5905 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5906 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5907 _cpp_read_and_prescan, _cpp_init_input_buffer,
5908 _cpp_grow_token_buffer, _cpp_get_directive_token,
5909 _cpp_handle_directive, _cpp_handle_eof,
5910 _cpp_output_line_command): Prototype them here.
5911 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5912 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5913 quote_string, output_line_command): Remove.
5915 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5917 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5918 whether it is too large we must also verify that it isn't negative.
5920 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5922 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5923 (movsi_zero_liveg0): Remove.
5924 (movsf_insn_novis_liveg0): Remove.
5926 (negsi2_not_liveg0): Rename to negsi2.
5927 (one_cmplsi2): Remove.
5928 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5929 (one_cmplsi2_liveg0): Remove.
5930 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5931 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5932 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5933 (PREDICATE_CODES): Remove zero_operand.
5934 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5935 TARGET_BROKEN_SAVERESTORE.
5936 (zero_operand): Remove.
5937 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5938 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5940 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5941 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5942 TARGET_BROKEN_SAVERESTORE): Remove.
5943 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5945 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5947 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5950 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5952 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5954 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5955 truncating a string. Don't assume tokens are nul terminated.
5956 Problem noted by Andreas Jaeger <aj@suse.de>
5958 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5960 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5961 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5962 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5964 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5966 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5967 STRUCTURE_SIZE_BOUNDARY.
5969 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5971 * tree.h (record_layout_info_s): New structure.
5972 (record_layout_info): New type.
5973 (new_record_layout_info): New function.
5974 (layout_field): Likewise.
5975 (finish_record_layout): Likewise.
5976 * stor-layout.c (layout_record): Remove.
5977 (new_record_layout_info): New function.
5978 (layout_field): New function, broken out from layout_record.
5979 (finalize_record_size): Likewise.
5980 (compute_record_mode): Likewise.
5981 (finalize_type_size): New function, broken out from layout_type.
5982 (finish_record_layout): Likewise.
5983 (layout_type): Use them.
5985 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5987 * cpphash.c: Don't include version.h.
5988 (special_symbol) [case T_VERSION]: Look for the string in
5989 hp->value.cpval; don't use version_string.
5990 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5991 __VERSION__ to version_string.
5992 * Makefile.in (cpphash.o): Update deps.
5994 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5996 Convert cpplib to use libiberty/hashtab.c.
5998 * cpplib.h (struct cpp_reader): Make hashtab and
5999 all_include_files of type 'struct htab *'. Delete HASHSIZE
6000 and ALL_INCLUDE_HASHSIZE macros.
6002 * cpphash.h: Update prototypes.
6003 (struct hashnode): Remove next, prev, and bucket_hdr members.
6004 Make length a size_t. Add hash member.
6005 (struct ihash): Remove next member. Add hash member. Make
6006 name a flexible array member.
6008 * cppfiles.c: Include hashtab.h.
6009 (include_hash): Delete.
6010 (IHASHSIZE): New macro.
6011 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6012 (cpp_included): Do the hash lookup here.
6013 (_cpp_find_include_file): Rewrite.
6014 (cpp_read_file): Put the "fake" hash entry into the hash
6015 table. Honor the control_macro, if it turns out we've seen
6016 the file before. Don't push the buffer here.
6017 (_cpp_read_include_file): Push the buffer here.
6018 (OMODES): New macro. Use it whenever we call open(2).
6020 * cpphash.c: Include hashtab.h.
6021 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6022 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6023 _cpp_lookup_slot): New functions.
6024 (HASHSIZE): new macro.
6025 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6026 (_cpp_lookup): Use hashtab.h routines.
6028 * cppinit.c: Include hashtab.h.
6029 (cpp_reader_init): Call _cpp_init_macro_hash and
6030 _cpp_init_include_hash. Don't allocate hashtab directly.
6031 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6032 pfile->all_include_files.
6033 (initialize_builtins): Use _cpp_make_hashnode and
6034 htab_find_slot to add hash entries.
6035 (cpp_finish): Just call _cpp_dump_macro_hash.
6036 * cpplib.c: Include hashtab.h.
6037 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6038 create hash entries.
6039 (do_pragma_poison, do_assert): Likewise.
6040 (do_include): Don't push the buffer here. Don't increment
6041 system_include_depth unless _cpp_read_include_file succeeds.
6042 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6044 (do_pragma_implementation): Use alloca to create copy.
6046 * Makefile.in: Update dependencies.
6048 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6050 * cppinit.c (cl_directive_handler): More K&R fixing.
6052 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6054 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6056 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6058 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6060 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6061 Change from char[] to macros.
6063 2000-03-12 Neil Booth <NeilB@earthling.net>
6065 * cppinit.c (cpp_start_read): Update indirect function
6068 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6070 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6073 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6074 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6076 2000-03-11 Neil Booth <NeilB@earthling.net>
6078 * cppinit.c (struct pending option): Replace undef with a
6079 pointer to a directive handling routine.
6080 (struct cpp_pending): Replace separate assert_ and define_
6081 lists with one directive_ list.
6082 (new_pending_define): Rename new_pending_directive. Extra
6083 argument is the directive's handling routine.
6084 (handle_option): Update to use new_pending_directive.
6086 2000-03-11 Neil Booth <NeilB@earthling.net>
6088 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6089 remap_filename, _cpp_read_include_file, actual_directory,
6090 hack_vms_include_specification): Replace bcopy(), index() etc
6091 calls. Add casts to some allocations. Make some variables
6092 pointers to const [unsigned] char.
6093 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6094 collect_formal_parameters): Similarly.
6095 * cppinit.c (struct pending_option, append_include_chain,
6096 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6097 cpp_start_read, new_pending_define, handle_option): Similarly.
6098 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6099 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6100 do_pragma_implementation, detect_if_not_defined,
6101 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6102 do_assert, do_unassert): Similarly.
6103 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6104 function prototypes.
6105 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6107 2000-03-10 Richard Henderson <rth@cygnus.com>
6109 * builtins.c (expand_builtin_strlen): Revert last change.
6110 Use emit_insn_before if we're at the beginning of a sequence.
6112 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6114 * builtins.c (expand_builtin_strlen): Make sure that we have something
6115 at the beginning of the sequence.
6117 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6120 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6122 2000-03-10 Richard Henderson <rth@cygnus.com>
6124 * except.c (can_throw): Use INTVAL on a CONST_INT.
6125 (reachable_handlers): Likewise.
6126 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6128 2000-03-10 Andreas Jaeger <aj@suse.de>
6130 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6131 MD_STARTFILE_PREFIX since those are not needed on linux.
6132 (ASM_FILE_START): New, from mips/gnu.h.
6134 2000-03-09 Richard Henderson <rth@cygnus.com>
6135 Alex Samuel <samuel@codesourcery.com> and others
6137 * Makefile.in (ssa.o): New rule.
6139 (STAGESTUFF): Add *.ssa and *.ussa.
6140 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6141 * rtl.def (PHI): New RTL expression.
6142 * rtl.h (clear_log_links): New declaration.
6143 (convert_to_ssa): Likewise.
6144 (convert_from_ssa): Likewise.
6145 * flow.c (split_edge): If the entry node falls through to the
6146 split edge's source block, split the entry edge.
6147 (clear_log_links): New function.
6148 * toplev.c (ssa_dump): New variable.
6149 (flag_ssa): Likewise.
6150 (f_options): Add "ssa".
6151 (compile_file): Create SSA dump files.
6152 (rest_of_compilation): Go to and from SSA if enabled.
6153 (decide_d_option): Handle -de for SSA dump files.
6156 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6158 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6161 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6163 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6165 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6167 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6168 (MD_STARTFILE_PREFIX_1): New macro.
6170 2000-03-09 Robert Lipe <robertl@sco.com>
6172 * config/ia64/ia64.c: Include system.h.
6174 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6176 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6177 (init_eh_nesting_info): Likewise.
6179 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6180 (TREE_NOTHROW): Rename from TREE_RAISES.
6181 * toplev.c (rest_of_compilation): Set it.
6182 * print-tree.c (print_node): Adjust.
6183 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6184 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6185 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6186 REG_EH_REGION note as appropriate.
6187 (libfunc_nothrow): New fn.
6188 (emit_library_call, emit_library_call_value): Use it.
6189 (expand_call): Check TREE_NOTHROW.
6191 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6192 DECL_ASSEMBLER_NAME.
6194 2000-03-09 Andreas Jaeger <aj@suse.de>
6196 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6197 (TARGET_MEM_FUNCTIONS): Define.
6199 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6201 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6203 * except.c (can_throw): See through a SEQUENCE.
6204 (nothrow_function_p): New fn.
6205 * except.h: Declare it.
6206 * function.c (current_function_nothrow): New var.
6207 (prepare_function_start): Initialize it.
6208 * output.h: Declare it.
6209 * toplev.c (rest_of_compilation): Set it.
6210 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6212 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6214 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6215 match. (cpp_compare_defs): Count the nul separator when
6216 advancing over argument names.
6218 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6220 * recog.c (preprocess_constraints): Matching constraints affect
6221 same alternative/different operand, not same operand/different
6224 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6225 register and a constant specially.
6227 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6229 * libgcc2.h: New file.
6230 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6232 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6234 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6235 * configure: Regenerate.
6238 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6240 * Makefile.in (LIBCPP_DEPS): New macro.
6241 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6243 * cpperror.c: Include cpphash.h.
6244 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6246 (lex): Don't use CPP_WARN_UNDEF.
6247 (_cpp_parse_expr): Return an int, the truth value.
6248 * cppfiles.c: Include cpphash.h.
6249 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6250 * cppinit.c (include_defaults_array): Disentangle.
6251 (cpp_cleanup): Don't free the if stack here.
6252 (cpp_finish): Pop off all buffers, not just one.
6253 * cpplib.c (eval_if_expr): Return int.
6254 (do_xifdef): Rename do_ifdef.
6255 (handle_directive): Don't use CPP_PREPROCESSED.
6256 (cpp_get_token): Don't use CPP_C89.
6257 * fix-header.c: Don't use CPP_OPTIONS.
6259 * cpplib.h: Move U_CHAR, enum node_type, struct
6260 file_name_list, struct ihash, is_idchar, is_idstart,
6261 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6262 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6263 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6264 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6265 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6266 of _cpp_simplify_pathname, _cpp_find_include_file,
6267 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6268 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6270 Change all uses of U_CHAR to be unsigned char instead.
6271 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6273 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6275 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6276 (dwarf2out_begin_prologue): Set it.
6277 (output_call_frame_info): Don't emit EH unwind info for leaves.
6279 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6280 can occur outside of an EH region.
6281 * except.c: Correct comments about rethrow behavior.
6282 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6284 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6286 * flow.c (make_edges): Always call make_eh_edge for calls.
6288 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6290 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6291 (struct cpp_buffer): Remove fname and underflow fields.
6292 (struct cpp_reader): Remove get_token field.
6293 (struct include_hash): Rename to struct ihash. Add typedef to
6295 (struct if_stack): Remove fname field.
6296 (IF_STACK_FRAME): Rename to IF_STACK.
6298 * cpperror.c (print_containing_files): Trust that there are no
6299 macro buffers below the top file buffer.
6300 * cppfiles.c: Replace all references to 'struct include_hash'
6301 with 'IHASH'. Rename initialize_input_buffer to
6302 init_input_buffer. Don't set or reference cpp_buffer->fname,
6303 use buffer->ihash->name instead.
6304 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6305 not CPP_NULL_BUFFER.
6306 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6307 IF_STACK_FRAME, IHASH not struct include_hash.
6308 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6309 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6310 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6311 references to cpp_buffer->fname (delete entirely, or use
6312 ->ihash->name instead) and IF_STACK->fname.
6313 (cpp_push_buffer): Don't set new->underflow.
6314 (do_include): Use cpp_file_buffer.
6316 * cpphash.c (collect_formal_parameters): Remove duplicate
6317 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6318 used as a macro argument name. Don't append "..." to namebuf
6319 for varargs macros. After we're done scanning, go through
6320 namebuf and make it NUL separated, not comma separated.
6321 (_cpp_compare_defs): Remove register tag from variables.
6322 Expect defn->argnames to be NUL separated.
6323 (_cpp_dump_definition): Expect defn->argnames to be NUL
6324 separated and in forward order.
6325 * cpphash.h: Update documentation of argnames field.
6327 2000-03-08 Richard Henderson <rth@cygnus.com>
6329 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6330 to fail. Don't pre-expand the source operand.
6332 * i386.md (strlensi): Initialize eoschar and align before use.
6334 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6336 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6337 CONSTRUCTOR element.
6339 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6341 * mips.c (mips_expand_prologue): If the last
6342 named argument is the vararg marker "va_list", treat it as
6343 an unnamed argument.
6345 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6347 * dbxout.c (dbxout_parms): When correcting for promoted
6348 big-endian parameters, use the mode of the DECL_RTL rather
6349 than UNITS_PER_WORD.
6351 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6353 * c-common.h (make_fname_decl): Declare.
6354 * c-common.c (make_fname_decl): Define.
6355 (declare_hidden_char_array): Remove.
6356 (declare_function_name): Use make_fname_decl.
6357 * c-decl.c (c_make_fname_decl): New function.
6358 (init_decl_processing): Set make_fname_decl.
6360 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6362 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6364 2000-03-07 Philipp Thomas <pthomas@suse.de>
6366 * po/POTFILES.in: Remove cppalloc.c from file list.
6368 2000-03-07 Steve Chamberlain <sac@pobox.com>
6370 * pj.c (pj_expand_prologue): current_function->args_info is
6371 now current_function_args_info.
6373 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6374 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6375 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6377 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6379 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6380 output as hexadecimal rather than the default octal.
6382 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6384 * cpphash.c (special_symbol): Fix thinko in previous commit.
6386 2000-03-07 Neil Booth <NeilB@earthling.net>
6388 * cppexp.c (struct operation, left_shift, right_shift,
6389 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6390 "int"s to "unsigned int"s.
6391 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6393 * cpplib.h: Update for above.
6394 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6395 returned from allocations.
6397 * cppinit.c (opt_comp, parse_options): New functions.
6398 (handle_option): Use parse_option to parse a single command
6399 line option, that possibly takes an argument.
6400 (cpp_handle_options): Sort the array of command line options on
6401 first invocation (non-ASCII hosts only).
6402 (print_help): Update.
6404 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6406 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6407 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6409 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6411 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6413 * cpperror.c (cpp_print_containing_files,
6414 cpp_print_file_and_line, v_cpp_message): Rename to
6415 print_containing_files, print_file_and_line, and v_message.
6416 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6417 to _cpp_parse_expr, parse_escape, and lex.
6418 (parse_charconst): Remove broken multibyte support.
6419 * cppfiles.c (include_hash): Make static.
6420 (cpp_included): New function.
6421 (merge_include_chains, find_include_file, finclude,
6422 simplify_pathname): Rename to _cpp_merge_include_chains,
6423 _cpp_find_include_file, _cpp_read_include_file, and
6424 _cpp_simplify_pathname.
6425 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6426 cpp_install, create_definition, macroexpand, compare_defs,
6427 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6428 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6429 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6430 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6432 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6434 * cpphash.h: Update prototypes.
6435 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6437 2000-03-07 Andrew Haley <aph@cygnus.com>
6439 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6440 PTRDIFF_TYPE should be based solely on Pmode.
6443 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6445 * rtl.h (rtunion_def): Constify member `rtstr'.
6446 (emit_line_note_after, emit_line_note, emit_line_note_force,
6447 emit_note, decode_asm_operands): Constify.
6449 * cse.c (canon_hash): Likewise.
6451 * dbxout.c (dbxout_block): Likewise.
6453 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6454 v_warning_for_asm): Likewise.
6456 * dwarfout.c (function_start_label): Likewise.
6458 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6459 emit_line_note_force): Likewise.
6461 * final.c (last_filename, asm_insn_count, final_scan_insn,
6462 output_source_line): Likewise.
6464 * function.h (struct emit_status): Likewise.
6466 * gcse.c (hash_expr_1): Likewise.
6468 * genattr.c (gen_attr, main): Likewise.
6470 * genattrtab.c (struct function_unit, current_alternative_string,
6471 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6472 attr_numeral, check_attr_test, check_attr_value,
6473 convert_set_attr_alternative, convert_set_attr,
6474 compute_alternative_mask, simplify_by_exploding, gen_attr,
6475 gen_unit): Likewise.
6477 * genflags.c (gen_insn): Likewise.
6479 * gengenrtl.c (type_from_format): Likewise.
6481 * genopinit.c (gen_insn): Likewise.
6483 * genoutput.c (n_occurrences, process_template, process_template):
6486 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6489 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6492 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6493 ggc_set_mark, ggc_get_size): Likewise.
6495 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6497 * optabs.c (init_one_libfunc): Likewise.
6499 * output.h (assemble_start_function): Likewise.
6501 * recog.c (decode_asm_operands): Likewise.
6503 * toplev.c (rest_of_compilation): Likewise.
6505 * tree.h (emit_line_note_after, emit_line_note,
6506 emit_line_note_force): Likewise.
6508 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6509 asm_emit_uninitialised, assemble_start_function,
6510 assemble_variable, const_hash, compare_constant_1,
6511 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6513 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6515 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6517 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6519 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6521 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6522 arm_dllimport_name_p): Likewise.
6524 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6527 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6529 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6531 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6532 arm_mark_dllexport, arm_mark_dllimport,
6533 arm_pe_encode_section_info): Likewise.
6535 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6536 ASM_FINISH_DECLARE_OBJECT): Likewise.
6538 * arm/thumb.c (thumb_function_prologue): Likewise.
6540 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6542 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6544 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6546 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6548 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6550 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6552 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6553 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6555 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6557 * i386/i386.c (asm_output_function_prefix): Likewise.
6559 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6561 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6563 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6565 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6566 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6567 ASM_OUTPUT_SECTION_NAME): Likewise.
6569 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6571 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6573 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6575 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6577 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6579 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6581 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6583 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6585 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6587 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6589 * mips/mips.md (movdi, movsi): Likewise.
6591 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6593 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6595 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6597 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6598 ASM_OUTPUT_ASCII): Likewise.
6600 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6601 output_mi_thunk, output_toc): Likewise.
6603 * rs6000/rs6000.md (movsi): Likewise.
6605 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6607 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6609 * v850/v850.c (print_operand, print_operand_address,
6610 v850_encode_data_area): Likewise.
6612 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6614 * config/mips/mips.md (zero_extendsidi2): Always force operand
6615 one to memory for mips16.
6617 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6619 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6620 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6621 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6622 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6623 (min_precision): Result is unsigned.
6624 (add_double, neg_double, mul_double): Low word is unsigned.
6625 (lshift_double, rshift_double, lrotate_double): Likewise.
6626 (rrotate_double, div_and_round_double): Likewise.
6627 (tree_floor_log2, compare_tree_int): New functions.
6628 (preserve_rtl_expr_temps): New declaration.
6629 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6630 (decl_attributes): Use tree_log2 to find alignment.
6631 Check for TREE_INT_CST_HIGH for format args.
6632 (min_precision): Now unsigned.
6633 Use tree_floor_log2.
6634 (truthvalue_conversion): Delete long-disabled code.
6635 * c-decl.c (finish_struct): Clean up tests on field width.
6636 (finish_function): Use compare_tree_int.
6637 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6638 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6639 (default_conversion, digest_init): Use compare_tree_int.
6640 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6641 Fix type errors in forming masks.
6642 * calls.c (initialize_argument_information): Use compare_tree_int.
6643 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6644 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6645 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6646 (store_field): Use compare_tree_int.
6647 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6648 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6649 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6650 (do_store_flag): Use compare_tree_int.
6651 * fold-const.c (encode, decode): Low part is always unsigned.
6652 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6653 (lshift_double, rshift_double, lrotate_double): Likewise.
6654 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6655 (fold_convert): Use compare_tree_int.
6656 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6657 (invert_truthvalue, case INTEGER_CST): Likewise.
6658 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6659 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6660 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6661 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6663 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6664 (expand_end_case): Use compare_tree_int.
6665 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6666 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6667 (layout_decl): Likewise.
6668 (layout_record, layout_union): Make sizes unsigned.
6669 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6670 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6671 * tree.c (struct type_hash): hashcode is unsigned.
6672 (build_type_attribute_variant, type_hash_list): Likewise.
6673 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6674 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6675 (build_complex_type): Likewise.
6676 (real_value_from_int_cst): Remove unneeded casts.
6677 (integer_all_onesp): Add casts.
6678 (tree_floor_log2, compare_tree_int): New functions.
6679 (build_index_type): Use tree_int_cst_sgn.
6680 * varasm.c (assemble_variable): Use compare_tree_int.
6682 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6684 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6686 * varasm.c (make_decl_rtl): Don't add a number to members of
6688 (make_function_rtl): Likewise.
6690 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6692 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6693 patch from 2000-01-28.
6695 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6697 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6698 filled with an insn from the jump target.
6700 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6702 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6703 (c4x_external_ref): Likewise.
6704 * config/c4x/c4x.c (struct name_list): Likewise.
6706 1999-12-16 Ben Collins <bcollins@debian.org>
6708 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6709 argument to genmultilib.
6710 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6711 the contents into the multilib.h header.
6712 * gcc.c: Declare multilib_exclusions for the specs file.
6713 (set_multilib_dir): Use it.
6714 (print_multilib_info): Likewise.
6715 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6716 to pass to genmultilib.
6718 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6720 * builtins.c (built_in_class_names, built_in_names): Constify a
6723 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6725 (_mcleanup): Ensure value matches format specifier in sprintf.
6727 * cpphash.c (special_symbol): Don't needlessly cast away
6730 * cppinit.c (base_name): Delete unused prototype.
6732 * mkdeps.c (deps_init): Make definition K&R safe.
6734 * tree.h (built_in_class_names, built_in_names): Constify a
6737 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6739 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6740 floating point instructions for epilogue delay.
6742 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6743 to gas if it supports .register pseudo.
6745 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6746 LONG_DOUBLE_TYPE_SIZE if not defined.
6747 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6748 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6750 * gengenrtl.c: Likewise.
6751 * print-rtl.c: Likewise.
6753 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6754 MASK_LONG_DOUBLE_128.
6755 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6756 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6757 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6758 (SUBTARGET_SWITCHES): Define.
6759 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6760 with -mlong-double-128.
6761 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6762 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6763 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6764 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6765 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6766 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6767 with -mlong-double-128.
6768 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6769 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6770 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6771 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6772 TARGET_LONG_DOUBLE_128): Define.
6773 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6774 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6775 long double on TARGET_ARCH64.
6777 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6779 * function.c (free_temps_for_rtl_expr): Don't free slots
6780 that have been pushed into a higher level.
6783 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6785 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6787 * basic-block.h (ALLOCA_REG_SET): Remove.
6788 (INITIALIZE_REG_SET): New macro.
6789 * flow.c (update_life_info): Use it.
6790 (calculate_global_regs_live): Likewise.
6791 (propagate_block): Likewise.
6792 * global.c (build_insn_chain): Likewise.
6793 * haifa-sched.c (schedule_region): Likewise.
6795 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6797 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6798 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6799 (DWARF_ARANGES_PAD_SIZE): New define.
6800 (output_aranges): Use it to pad the address range header.
6801 (DWARF_ROUND): Fix for non power of 2 rounding.
6803 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6805 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6807 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6809 * tree.def (RTL_EXPR): Update documentation.
6810 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6811 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6812 * function.c (preserve_rtl_expr_temp): New function.
6813 (preserve_rtl_expr_temps): Likewise.
6814 (preserve_rtl_expr_result): Use it.
6817 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6819 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6821 * regmove.c (copy_src_to_dest) Do not create src->dest move
6822 for unchanging destination.
6824 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6826 * function.h (struct sequence_stack): Remove rtl_expr.
6827 (struct emit_staus): Likewise.
6828 (seq_rtl_expr): Remove.
6829 * tree.h (free_temps_for_rtl_expr): Don't declare.
6830 (start_sequence_for_rtl_expr): Likewise.
6831 * rtl.h (preserve_rtl_expr_result): Likewise.
6832 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6833 (start_sequence_for_rtl_expr): Remove.
6834 (push_topmost_sequence): Don't save sequence_rtl_expr.
6835 (pop_topmost_sequence): Remove comment about not restoring it.
6836 (end_sequence): Don't set seq_rtl_expr.
6837 (init_emit): Don't initialize it.
6838 (mark_sequence_stack): Don't mark it.
6839 (mark_emit_status): Likewise.
6840 * except.c (protect_with_terminate): Use
6841 start_sequence_for_rtl_expr, not start_sequence.
6842 * expr.c (expand_expr, case RTL_EXPR): Don't call
6843 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6844 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6845 (preserve_rtl_expr_result): Remove.
6846 (free_temps_for_rtl_expr): Likewise.
6847 (pop_temp_slots): Likewise.
6848 (mark_temp_slot): Don't mark the rtl_expr.
6849 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6850 start_sequence_for_rtl_expr.
6852 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6854 * mkdeps.c, mkdeps.h: New files.
6855 * po/POTFILES.in: Add them.
6856 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6857 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6858 (mkdeps.o): New target.
6860 * cppfiles.c: Delete deps_output.
6861 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6862 OBJECT_SUFFIX, and base_name.
6863 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6865 (initialize_dependency_output): Use deps_init,
6866 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6867 all the unnecessary string bashing.
6868 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6870 * cpplib.c (do_include): Use deps_add_dep.
6871 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6872 deps_allocated_size, deps_size, deps_column members with
6873 single pointer to a struct deps. Delete prototype of
6876 * cppinit.c: Fix thinko in previous patch.
6878 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6880 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6881 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6882 (mode_for_size_tree): New function.
6883 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6884 * tree.h (mode_for_size_tree): New declaration.
6886 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6888 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6890 * stmt.c (is_body_block): Move...
6891 * dwarfout.c, dwarf2out.c: ...from here.
6892 * tree.h: Declare it.
6893 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6894 * final.c (final_start_function): Do call remove_unnecessary_notes
6897 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6899 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6901 * cpplib.h (_dollar_ok): New macro.
6902 (is_idchar, is_idstart): Use it.
6903 (IStable): Rename to _cpp_IStable. Declare it const if
6904 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6905 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6906 is_space): Update for renamed IStable.
6908 * cppinit.c: Delete all references to FAKE_CONST and CAT
6909 macros. Define init_IStable as empty macro if gcc >=2.7 or
6910 C99. Change TABLE() to ISTABLE and hardcode name of table.
6911 (cpp_start_read): Don't change the IStable based on
6914 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6915 changed. Handle '$' for char1 correctly.
6916 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6918 * cppexp.c (tokentab2): Make const.
6919 (cpp_lex): Make toktab const.
6920 * cppinit.c (include_defaults_array): Make const.
6921 (initialize_standard_includes): Make default_include const.
6923 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6925 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6926 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6927 (gen_decl_die): Likewise.
6928 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6929 (output_decl): Likewise.
6931 * varasm.c (make_function_rtl): If we change the name used in the
6932 rtl, update DECL_ASSEMBLER_NAME accordingly.
6933 (make_decl_rtl): Likewise.
6935 * toplev.c (rest_of_compilation): Tweak formatting.
6937 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6938 remove_unnecessary_notes.
6939 (debug_ignore_block): New fn.
6940 * toplev.h: Declare it.
6941 * emit-rtl.c (remove_unncessary_notes): Call it.
6942 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6943 * dwarf2out.h: Declare it.
6944 * final.c (final_start_function): Don't call remove_unnecessary_notes
6945 if we did insn scheduling.
6947 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6949 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6950 * cpplib.h: Delete SET_CPP_PEDANTIC.
6952 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6954 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6955 result is a RECORD_TYPE.
6957 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6959 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6961 2000-03-03 Richard Henderson <rth@cygnus.com>
6963 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6964 addition over compliments over shifts.
6966 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6968 * reload1.c (reload_combine_note_use): Handle return register USEs.
6969 REG case: Handle multi-hard-register hard regs.
6971 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6973 * md.texi: Document use of '*' in insn pattern name.
6975 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6977 * calls.c (special_function_p): operator new may not be malloc-like.
6979 * gcse.c (dump_hash_table): Really fix error in last change.
6981 2000-03-02 Denis Chertykov <denisc@overta.ru>
6983 * avr.c (print_operand): Use print_operand_address instead of
6985 * avr/libgcc.S: Cleanup code.
6987 2000-03-02 Richard Henderson <rth@cygnus.com>
6989 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6991 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6993 * tree.h (TYPE_ALIGN_UNIT): New macro.
6995 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6997 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6999 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7001 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7003 (SET_CPP_PEDANTIC): New macro.
7004 * cpplib.c (do_include): Don't bother checking system_header_p.
7005 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7006 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7008 * function.h (struct expr_status): Add x_arg_space_so_far.
7009 (arg_space_so_far): New macro.
7010 * expr.c (init_expr): Initialize it.
7011 * calls.c (emit_call_1): Reset it.
7012 (compute_argument_block_size, expand_call): Use it.
7013 (expand_call, store_one_arg): Increment it.
7015 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7017 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7020 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7022 * cppfiles.c (cpp_read_file): New function.
7024 * cpphash.c (collect_expansion): Make sure to reset last_token
7025 to NORM when we hit a string. Handle trailing whitespace
7026 properly when the expansion is empty.
7027 (create_definition): Disable line commands while parsing the
7029 (dump_definition): If pfile->lineno == 0, output a line
7030 command ahead of the dump, and add a trailing newline.
7032 * cppinit.c (append_include_chain): Add fifth argument, which
7033 indicates whether or not system headers are C++ aware.
7034 (initialize_standard_includes): New function,
7035 broken out of read_and_prescan. Pass 'cxx_aware' value from
7036 the include_defaults_array on to append_include_chain.
7037 (dump_special_to_buffer): Const-ify char array.
7038 (builtin_array): Don't dump __BASE_FILE__.
7039 (cpp_start_read): Use cpp_read_file. Reorder code for
7040 clarity. Don't output line commands here for -D/-A/-U
7041 switches. Don't call deps_output for files included with
7042 -include or -imacros.
7044 * cpplib.c (do_define): Don't pay any attention to the second
7046 (cpp_expand_to_buffer): Disable line commands while scanning.
7047 (output_line_command): Work in the file buffer.
7048 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7049 Fix formatting of comments. Prototype cpp_read_file.
7051 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7053 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7054 reference the language-equivalent of sizetype.
7055 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7056 * fold-const.c (size_binop, size_diffop): Put back checks.
7057 * gcse.c (dump_hash_table): Fix minor error in last change.
7058 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7059 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7062 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7064 * calls.c (expand_call) Do not attempt to combine stack adjustments
7065 with inhibit_defer_pop set.
7067 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7069 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7070 the DECL_SIZE for a FIELD_DECL.
7072 2000-03-01 Bruce Korb <bkorb@gnu.org>
7074 * fixinc/inclhack.tpl: remove unused symlinks
7075 * fixinc/README: GCC Maintainer info
7076 * fixinc/inclhack.sh: regen
7077 * fixinc/fixincl.sh: regen
7079 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7081 * cpphash.c (collect_expansion): Trim trailing white space
7082 from macro definitions, but don't go past the last insertion
7085 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7087 * i386.md (mulqi3): New pattern.
7089 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7091 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7093 (struct cpp_reader): Add parsing_if_directive and
7094 parsing_define_directive flags.
7095 (struct cpp_options): Remove output_conditionals flag.
7096 (check_macro_name): Delete prototype.
7098 * cpphash.h (struct macrodef): Delete.
7099 (struct reflist): Separate from struct definition.
7100 (struct definition): Remove unused fields. Add column number.
7101 (create_definition): Returns a DEFINITION *. Takes a
7102 cpp_reader * and an int.
7104 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7105 (PEEKC): Copy defn from cpplib.c.
7106 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7108 (struct arglist): Simplify.
7109 (collect_expansion): Rewrite. Get tokens by calling
7110 cpp_get_token. Add more error checking.
7111 (collect_formal_parameters): New function, broken out of
7112 create_definition and reworked to use get_directive_token.
7113 (create_definition): All real work is now in collect_expansion
7114 and collect_formal_parameters. do_define handles finding the
7115 macro name. Return a DEFINITION, not a MACRODEF.
7116 (macroexpand): Replace bcopy with memcpy throughout. Replace
7117 character-at-a-time copy loop with memcpy and pointer increments.
7118 (compare-defs): d1->argnames / d2->argnames might be null.
7120 * cpplib.c (copy_rest_of_line): Delete function.
7121 (skip_rest_of_line): Do all the work ourselves.
7122 (skip_string): New function.
7123 (parse_string): Use skip_string.
7124 (get_macro_name): New function.
7125 (check_macro_name): Delete.
7126 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7127 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7128 (handle_directive): ICE if we're called on a macro buffer.
7129 (do_define): Determine macro name and type (funlike/objlike)
7130 here. Expunge all uses of MACRODEF.
7131 (cpp_push_buffer): Set line_base to NULL.
7132 (do_undef, read_line_number): Don't worry about getting a POP token.
7133 (eval_if_expression): Set/reset parsing_if_directive around
7134 cpp_parse_expr. Don't clear only_seen_white.
7135 (skip_if_group): Remove output_conditionals logic. Use
7137 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7138 tokens under appropriate conditions.
7139 (cpp_unassert): Call do_unassert not do_assert. Oops.
7141 * cppexp.c (parse_defined): New function, break out of
7143 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7144 ourselves, with cpp_defined.
7145 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7147 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7148 * gcc.dg/strpaste-2.c: New.
7150 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7152 * fold-const.c (size_binop): Don't asert inputs are the same and
7153 have TYPE_IS_SIZETYPE set.
7154 (size_diffop): Likewise.
7156 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7158 * dwarfout.c (output_block): Output abstract blocks even if they
7159 don't have TREE_ASM_WRITTEN set.
7161 * calls.c (emit_library_call): Check for null REG.
7163 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7165 * c-decl.c (current_function_decl): Move to toplev.c.
7166 (init_decl_processing): Don't add current_function_decl as a ggc
7168 * dbxout.c (dbxout_symbol): Change return type to int.
7169 (dbxout_symbol_location, dbxout_syms): Likewise.
7170 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7171 any locals. Use current_function_func_begin_label if set.
7172 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7173 * dwarf2out.c (dwarf2out_begin_prologue): Set
7174 current_function_func_begin_label.
7175 * final.c (final_start_function): Reset it.
7176 * toplev.c (current_function_decl): Define it here.
7177 (current_function_func_begin_label): New variable.
7178 (main): Add both as ggc roots.
7179 * tree.h (current_function_func_begin_label): Declare.
7181 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7183 * gcse.c: Cleanups throughout: mostly white-space, but also
7184 some minor rearrangement of code.
7186 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7188 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7189 returns a PARALLEL. Use emit_group_load and use_group_regs
7191 (emit_library_call_value): Similarly.
7193 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7194 * pa/quadlib.asm: Remove.
7195 * pa/quadlib.c: New file.
7197 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7198 * configure: Rebuilt.
7200 2000-02-29 Philip Blundell <pb@futuretv.com>
7202 * config/arm/conix-elf.h: New file.
7203 * configure.in (arm*-*-conix*): New configuration.
7204 * configure: Regenerate.
7206 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7208 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7209 don't have TREE_ASM_WRITTEN set.
7211 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7213 * Eliminate DECL_FIELD_SIZE.
7214 * builtins.c (built_in_class_names, built_in_names): New variables.
7215 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7216 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7217 DECL_SIZE, not DECL_FIELD_SIZE.
7218 * print-tree.c (print_node): Remove code that prints extra blank
7219 lines in some cases.
7220 Properly handle inline and builtin function cases.
7221 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7222 * tree.h (built_in_class_named, built_in_names): New declarations.
7223 (union tree_decl): Rename internal unions to u1 and u2 and change
7224 some of their components.
7225 Add new field built_in_class.
7226 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7227 Reflect above changes.
7228 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7229 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7230 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7231 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7233 2000-02-28 Dmitri Makarov <dim@windriver.com>
7235 * extend.texi: Document ARM's support for long/short calls.
7237 * invoke.texi: Document ARM's -mlong-calls command line switch.
7239 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7240 (arm_encode_call_attribute): Add prototype.
7241 (arm_set_default_type_attribute): Add prototype.
7242 (arm_strip_name_encoding): Add prototype.
7244 * config/arm/arm.c (arm_init_cumulative_args): replace
7245 initialisation og 'long_calls' field with initialisation of
7246 'call_cookie' field.
7247 (enum arm_pragma_enum): New enum.
7248 (arm_pragma_long_calls): New static variable.
7249 (arm_process_pragma): Also process "#pragma long_calls_off".
7250 (arm_valid_type_attribute_p): Accept short_call attribute.
7251 (arm_comp_type_attributes): Check long/short call attributes.
7252 (arm_encode_call_attribute): New function: Encode long_call
7253 or short_call attribute in function name.
7254 (arm_set_default_type_attributes): New function: Assign
7255 default attributes to newly defined type.
7256 (current_file_function_operand): New function: Return true if
7257 the symbol is a function which has already been compiled.
7258 (arm_is_longcall_p): New function: Return true if the
7259 indicated function should be called via a long call.
7260 (arm_get_strip_length): New function. Returns number of
7261 prefix characters to be stripped from a function's name.
7262 (arm_strip_name_encoding): New function. Strip prefix characters
7263 from a function's name.
7265 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7267 (SHORT_CALL_FAG_CHAR): Define.
7268 (LONG_CALL_FAG_CHAR): Define.
7269 (ENCODED_SHORT_CALL_ATTR_P): Define.
7270 (ENCODED_LONG_CALL_ATTR_P): Define.
7271 (ARM_NAME_ENCODING_LENGTHS): Define.
7272 (STRIP_NAME_ENCODING): Define.
7273 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7274 (ARM_ENCODE_CALL_TYPE): Define.
7275 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7276 (ARM_DECLARE_FUNCTION_SIZE): Define.
7277 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7279 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7280 if a long call is needed.
7281 (call_value): Ditto.
7282 (call_symbol): Ditto.
7284 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7285 ARM_DECLARE_FUNCTION_SIZE.
7287 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7288 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7289 (ARM_STRIP_NAME_ENCODING): Undefine.
7290 (STRIP_NAME_ENCODING): Undefine.
7291 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7292 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7293 (ASM_OUTPUT_COMMON): Ditto.
7294 (ASM_DECLARE_OBJECT_NAME): Ditto.
7296 * config/arm/pe.c (arm_dllexport_name_p): Check for
7298 (arm_dllimport_name_p): Ditto.
7299 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7300 (arm_mark_dllimport): Ditto.
7302 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7304 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7306 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7308 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7310 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7312 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7313 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7314 NO_BUILTIN_WCHAR_TYPE is not defined.
7315 (CPP_WCHAR_TYPE): Delete.
7316 * cccp.c (main): Don't change wchar_type if cplusplus.
7317 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7319 2000-02-28 Nick Clifton <nickc@cygnus.com>
7321 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7323 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7325 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7326 (ASM_WEAKEN_LABEL): Define.
7328 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7330 * expr.c (store_constructor): Do not emit USE.
7331 * rtl.h (stupid_life_analysis): Remove.
7333 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7335 * function.c (number_blocks): Reset next_block_index based on
7336 what debugging format is used, not what is defined.
7338 * lcm.c: Minor reformatting throughout.
7339 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7341 * toplev.c (rest_of_compilation): Account for time in
7342 optimize_mode_switching.
7344 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7345 if only marking labels.
7347 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7349 * calls.c (expand_call): Attempt to combine stack adjustments with
7350 pending stack adjustments.
7352 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7354 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7355 to the end of the function.
7357 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7359 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7361 * final.c (next_block_index): Remove.
7362 (max_block_depth): Likewise.
7363 (pending_blocks): Likewise.
7364 (init_final): Don't initialize them.
7365 (final_start_function): Don't set next_block_index. Set up
7367 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7368 * function.h (number_blocks): New function.
7369 * function.c (get_block_vector): New function.
7370 (identify_blocks): Use it.
7371 (reorder_blocks): Set NOTE_BLOCK.
7372 (number_blocks): New function.
7373 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7374 * tree.h (BLOCK_NUMBER): New macro.
7375 (tree_block): Add block_num field.
7376 * dbxout.c (next_block_number): Remove.
7377 (dbxout_init): Don't set it.
7378 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7379 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7381 * toplev.c (rest_of_compilation): Always call
7382 find_loop_tree_blocks. Fix indentation.
7383 * dwarf2out.c (next_block_number): Remove.
7384 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7385 to determine block numbers.
7386 (gen_inlined_subroutine_die): Likewise.
7387 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7388 (decls_for_scope): Don't increment next_block_number.
7389 * dwarfout.c (next_block_number): Remove.
7390 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7391 to determine block numbers.
7392 (output_inlined_subroutine_die): Likewise.
7393 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7394 (output_decls_for_scope): Don't increment next_block_number.
7395 * sdbout.c (next_block_number): Remove.
7396 (sdbout_block): Use BLOCK_NUMBER.
7397 (sdbout_begin_block): Simplify.
7398 * xcoffout.c (next_block_number): Remove.
7399 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7400 (xcoffout_begin_block): Don't set next_block_number.
7401 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7404 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7406 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7407 (expand_builtin_strcpy): Pass correct type to size_binop.
7408 (expand_builtin_strcmp): Likewise.
7409 Clean up conditional structure.
7410 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7411 (complete_array_type): Don't use size_binop for MAXINDEX.
7412 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7413 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7414 (c_alignof): Use size_one_node.
7415 (build_unary_op): Pass arg of proper type to size_binop.
7416 (really_start_incremental_init, push_init_level): Use sizetype for
7417 constructor{,_bit,_unfilled}_index.
7418 (pop_init_label, output_init_element): Likewise.
7419 (output_pending_init_elements, process_init_element): Likewise.
7420 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7421 * expr.c (store_expr): Use size_int.
7422 (store_constructor): Use proper types for size_binop args.
7423 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7424 (expand_expr_unaligned): Likewise.
7425 (string_contant): Return object of sizetype.
7426 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7427 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7428 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7429 * fold-const.c (int_const_binop): Refine when size_int is called.
7430 (fold_convert): Likewise.
7431 (size_int_wide): Rework to take KIND as arg, only take low order
7432 bits, handle new sizetype_tab datatype, and chain entries in
7434 (size_int_type_wide): New function.
7435 (size_binop): Validate types of arguments.
7436 (ssize_binop): Deleted.
7437 (size_diffop): New function.
7438 (extract_muldiv): Only fold division into multiplication for sizetypes.
7439 * function.c (assign_parms): Use size_diffop and make sure
7440 VAR field is of ssizetype; also pass proper type to size_binop.
7441 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7442 (round_down): Deleted from here.
7443 * store-layout.c (sizetype_tab): Now an array.
7444 (sizetype_set, early_root_list): New variables.
7445 (variable_size): Use size_one_node.
7446 (round_up): Pass proper type to size_binop.
7447 (round_down): Moved to here and corrected as above.
7448 (layout_record): Pass proper arg types to size_binop.
7449 (layout_type): Likewise.
7450 If sizetype_set is zero, record the type just laid out.
7451 (make_unsigned_type): Don't call set_sizetype;
7452 (make_signed_type): Likewise; also, call fixup_signed_type.
7453 (initialize_sizetypes): New function.
7454 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7455 set name of bitsizetype to "bit_size_type".
7456 Fix up type of sizes of all types made before call.
7457 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7458 * tree.c (fix_sizetype): Deleted.
7459 (build_common_tree_nodes): Call initialize_sizetypes.
7460 (build_common_tree_nodes_2): Don't call fix_sizetype.
7461 * tree.h (TYPE_IS_SIZETYPE): New macro.
7462 (initialize_sizetype): New declaration.
7463 (enum size_type_kind): New type.
7464 (struct sizetype_tab): Deleted.
7465 (sizetype_tab): Now array; adjust sizetype macros.
7466 (size_diffop, size_int_type_wide): New functions.
7467 (size_int_wide): Change number of args and type; access macros changed.
7468 (ssize_int, sbitsize_int): New macros.
7469 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7470 (ROUND_TYPE_SIZE_UNIT): New macro.
7472 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7474 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7476 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7478 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7479 Mark as possibly unused.
7481 * cse.c (cse_insn): Delete dead code involving tablejump.
7482 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7484 * Makefile.in (libcpp.a): Start by deleting it.
7486 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7488 * cpplib.h (enum file_change_code): Added rename_file.
7489 * cpplib.c (do_line): If a filename is given, set file_change to
7491 (output_line_command): If file_change is rename_file, always
7492 output a # directive with the file name.
7494 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7496 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7498 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7499 when copying a PARM_DECL or RESULT_DECL.
7501 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7503 * fix-header.c (recognized_function): Also fix prototypes for
7504 functions taking "void".
7506 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7508 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7509 looking at reg_reloaded_contents.
7511 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7513 * Makefile.in (STMP_FIXINC): New toggle.
7514 (LIBGCC2_DEPS): Delete all references.
7515 (stmp-headers): Delete target. All references either deleted
7516 or changed to stmp-int-headers.
7517 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7518 (LIBCPP_OBJS): Take out cppalloc.o.
7519 (cppalloc.o): Delete target.
7520 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7521 (gen-protos, fix-header): Link with libiberty.a.
7522 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7525 * configure.in: Remove refs to strerror.
7526 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7527 * system.h: Take out strerror stanza.
7529 * cpperror.c (my_strerror): Delete function.
7530 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7531 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7532 * cppalloc.c: Delete file.
7533 * gen-protos.c: Don't provide xrealloc.
7535 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7536 xstrerror throughout.
7538 2000-02-26 Bruce Korb <bkorb@gnu.org>
7540 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7541 match for DOS headers, too.
7542 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7544 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7546 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7547 is right for most ELF targets.
7548 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7549 Let the default file use %U properly.
7550 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7553 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7556 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7558 * toplev.c (documented_lang_options): Correct spelling error.
7559 (decode_d_option, decode_f_option, main): Likewise.
7561 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7563 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7564 to tell assembler it is permitted to expand large constants.
7566 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7568 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7569 (aux_info_suffix): Use.
7570 (SAVE_SUFFIX): New macro.
7572 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7573 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7574 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7576 * invoke.texi (Running Protoize): Update documentation.
7578 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7580 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7582 2000-02-25 John Wehle (john@feith.com)
7584 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7586 2000-02-25 Anthony Green <green@cygnus.com>
7588 * toplev.c (rest_of_compilation): Rebuild jump labels if
7589 combine_instructions has created a new direct jump.
7590 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7592 (combine_instructions): Call try_combine with new argument.
7593 Return non-null value when new direct jump instruction is created.
7594 * rtl.h: combine_instructions returns an int.
7596 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7598 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7599 jump when changing a computed jump into a jump to a known
7602 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7604 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7605 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7607 * i386.md (define_expand "clrstrsi"): Fix typo.
7609 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7611 * rtl.texi: Fix typo.
7613 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7615 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7616 UNITS_PER_WORD. Change caller initial_elimination_offset.
7617 (rounded_frame_size): Take into account that argument pushed has
7618 changed. Fix TARGET_ALIGN_DOUBLE problem.
7620 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7622 * haifa-sched.c (schedule_block): Explain the real reason
7623 we delete REG_SAVE_NOTEs on the first insn of a block.
7624 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7626 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7628 * input.h (push_srcloc): New function.
7629 (pop_srcloc): Likewise.
7630 * toplev.c (push_srcloc): Define it.
7631 (pop_srcloc): Likewise.
7633 2000-02-24 Richard Henderson <rth@cygnus.com>
7635 * flow.c (life_analysis): When collecting reg info, clear
7638 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7640 Fix bug exposed by reload.c no longer rounding the frame
7641 size to BIGGEST_ALIGNMENT:
7642 * sh.c (rounded_frame_size): New function.
7643 (sh_expand_prologue, sh_expand_epilogue): Use it.
7644 (initial_elimination_offset): Likewise.
7646 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7648 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7649 * sh-protos.h (sh_need_epilogue): Declare.
7650 * sh.c (sh_need_epilogue_known): New static variable.
7651 (sh_need_epilogue): New function.
7652 (function_epilogue): Clear need_epilogue_known.
7653 * sh.md (return): Split into expander / insn pattern.
7654 Make the expander conditional on ! sh_need_epilogue ().
7656 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7658 * machmode.h (get_mode_alignment): Declare.
7659 (GET_MODE_ALIGNMENT): Call it.
7660 * stor-layout.c (get_mode_alignment): New function. Make
7661 sure alignment is always power of 2.
7663 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7665 * i386.h: Remove useless definition of "I386" and misleading
7668 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7670 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7671 under which TREE_PERMANENT will be set.
7672 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7673 build1): Use TREE_SET_PERMANENT.
7674 * print-tree.c (print_node): Don't report value of
7675 TREE_PERMANENT if ggc_p is true.
7677 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7678 decide whether to give a type a new alias set.
7679 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7680 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7681 of value of 'obstack'.
7684 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7686 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7688 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7690 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7691 * cpplib.c (cpp_get_token): Produce them.
7692 * cppexp.c (cpp_lex): Handle them.
7694 2000-02-23 Nick Clifton <nickc@cygnus.com>
7696 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7697 comment tests on type attributes.
7699 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7701 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7702 conform to documentation.
7703 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7704 to check for special cases.
7705 * sh-protos.h (sh_loop_align): Declare.
7706 * sh.c (sh_loop_align): Define.
7708 2000-02-22 Andrew Haley <aph@cygnus.com>
7710 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7711 (SIZE_TYPE): Is 32 bits when using -mgp32.
7712 (PTRDIFF_TYPE): Ditto.
7714 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7716 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7718 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7720 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7721 BIGGEST_FIELD_ALIGNMENT a constant.
7723 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7725 * dwarf2out.c (output_line_info): Put the marker for the end of
7726 the line number info at the actual end.
7727 (gen_struct_or_union_type_die): Use decl_function_context
7728 to check for local classes.
7729 * dwarfout.c (output_type): Likewise.
7731 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7733 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7734 for arguments with a mode, but no type.
7735 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7736 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7737 * pa/long_double.h: New file.
7738 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7739 both have 128bit wide long doubles.
7740 * configure: Rebuilt.
7742 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7744 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7746 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7747 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7748 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7750 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7752 * integrate.c (compare_blocks, find_block): Likewise.
7754 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7756 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7758 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7759 expand_asm_operands): Likewise.
7761 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7763 * predict.c (estimate_probability): Added the pointer heuristic to
7764 the collection of static branch predictors.
7766 2000-02-21 Catherine Moore <clm@cygnus.com>
7768 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7769 * invoke.texi (-mfix7000): Document.
7771 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7773 * diagnostic.c (init_output_buffer): Make it possible to output at
7774 least 32 characters if we're given a too long prefix.
7776 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7778 * varasm.c (initializer_constant_valid_p): Call
7779 lang_expand_constant to simplify the constant.
7781 2000-02-20 Bruce Korb <bkorb@gnu.org>
7783 * fixinc/inclhack.def(stdio_va_list):
7784 typedef needs to be disabled.
7785 * fixinc/inclhack.sh: regen
7786 * fixinc/fixincl.x: regen
7788 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7790 * print-rtl.c (print_rtx): Don't print addresses when
7791 flag_dump_unnumbered.
7793 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7795 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7797 (sparc_va_arg, sparc_flat_output_function_prologue,
7798 sparc_flat_output_function_epilogue): Cast value to unsigned in
7800 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7802 * sparc.md: Add default case in switch.
7804 2000-02-19 Richard Henderson <rth@cygnus.com>
7806 * c-typeck.c (add_pending_init): Don't abort for multiple
7807 fields at the same offset.
7808 (pending_init_member): Test the correct member.
7810 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7812 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7814 (start_catch_handler) : Same.
7816 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7818 * Makefile.in: Have flow.o depend on $(EXPR_H)
7820 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7822 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7823 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7824 (finish_decl): Remove -Wlarger-than code from here.
7825 * flags.h (id_clash_len): Now int.
7826 (larger_than_size): Now HOST_WIDE_INT.
7827 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7828 Clean up checking to see if in table.
7829 (make_bit_field_ref): Remove extra parm to bitsize_int.
7830 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7831 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7832 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7833 and for computing size of decl.
7834 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7835 Move -Wlarger-than code to here.
7836 (layout_record): Remove extra arg to bitsize_int.
7837 Set TYPE_BINFO_SIZE_UNIT.
7838 (layout_union): Remove extra arg to bitsize_int.
7839 Use proper type for size of QUAL_UNION.
7840 (layout_type): Remove extra arg to bitsize_int.
7841 * toplev.c (id_clash_len): Now int.
7842 (larger_than_size): Now HOST_WIDE_INT.
7843 (decode_W_option): Clean up id-clash and larger-than- cases.
7844 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7845 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7846 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7847 (struct tree_decl): New field size_unit.
7848 (size_int_wide): No HIGH operand; NUMBER is now signed.
7849 (size_int_2): Deleted.
7850 (size_int, bitsize_int): Don't use it and rework args.
7851 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7853 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7855 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7857 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7859 * invoke.texi (Warning Options): Add an explanation of why
7860 you might want the -Wfloat-equal flag.
7862 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7864 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7865 * cppinit.c (new_pending_define): Add cast to avoid warning.
7866 * expmed.c (extract_bit_field): Likewise.
7867 * flow.c (enum reorder_skip_type): New type.
7868 (skip_insns_between_blcok): New it.
7869 Rework to avoid warning about possibly undefined variable.
7870 * function.c (assign_parms): Make thisparm_boundary unsigned.
7871 * genrecog.c (write_switch): Cast XWINT result to int.
7872 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7873 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7874 one for MIPS and one for Alpha.
7875 (get_tag, copy_object): Add casts to avoid warnings.
7876 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7877 * reload.c (find_reloads): Make TYPE enum reload_type.
7878 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7879 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7880 * varasm.c (compare_constant_1): Add cast to avoid warning.
7881 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7883 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7884 Cast switch operand of size to int.
7885 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7886 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7889 2000-02-18 Nick Clifton <nickc@cygnus.com>
7891 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7892 anything for an alignment of zero.
7894 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7895 anything for an alignment of zero.
7897 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7899 * gcc.texi (Bug Reporting): Refer to bugs.html.
7900 (Bug Lists): Likewise.
7901 * system.h (GCCBUGURL): New preprocessor define.
7902 * rtl.c (fancy_abort): Use it.
7903 * gcc.c (main): Likewise.
7905 2000-02-18 Richard Henderson <rth@cygnus.com>
7907 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7908 (life_analysis_1): Subsume into ...
7909 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7910 Use update_life_info for the relaxation.
7911 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7912 entry and regs_live_at_setjmp.
7913 (set_noop_p): Simplify.
7914 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7915 (record_volatile_insns): Split into ...
7916 (delete_noop_moves): ... here,
7917 (notice_stack_pointer_modification): ... here,
7918 (insn_dead_p): ... and here.
7919 (propagate_block): Don't query INSN_VOLATILE.
7920 (mark_used_regs): Mind !PROP_REG_INFO.
7921 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7922 not in life_analysis.
7924 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7926 * loop.c (canonicalize_condition): New function,
7927 broken out of get_condition.
7928 (get_condition): Use it.
7929 * expr.h (canonicalize_condition): Prototype it.
7931 * tree.h (tree_int_cst_msb): Declare.
7932 * tree.c (tree_int_cst_msb): New function.
7934 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7936 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7939 * invoke.texi (-fmessage-length=n): Document.
7941 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7943 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7945 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7947 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7950 2000-02-17 Nick Clifton <nickc@cygnus.com>
7952 * config/arm/thumb.c: Replace includes of system headers with
7953 #include "system.h".
7955 2000-02-16 Richard Henderson <rth@cygnus.com>
7957 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7958 Add crtbeginS.o and crtendS.o.
7959 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7960 (ENDFILE_SPEC): Use crtendS.o.
7961 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7963 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7964 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7966 (__dso_handle): New variable.
7967 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7968 bias to __CTOR_END__.
7970 2000-02-16 Richard Henderson <rth@cygnus.com>
7972 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7974 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7976 * longlong.h (__clz_tab): Declare as static to match definition.
7978 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7979 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7980 (XREF_FILE_NAME): Define.
7982 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7983 (EH_FRAME_SECTION_ASM_OP): Define.
7984 (IDENT_ASM_OP): Define.
7985 (TEXT_SECTION_ASM_OP): Define.
7987 (CTORS_SECTION_ASM_OP): Define.
7988 (CTOR_SECTION_FUNCTION): Use it.
7989 (DTORS_SECTION_ASM_OP): Define.
7990 (DTOR_SECTION_FUNCTION): Use it.
7992 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7994 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7997 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7998 debug_bb_n): New functions.
7999 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8000 * basic-block.h: Prototype new functions.
8002 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8004 * configure.in: Add support for avr target.
8005 * configure: Rebuilt.
8007 * invoke.texi: Add AVR invocation docs.
8008 * install.texi: Add information about AVR.
8009 * md.texi: Add AVR constraint letters description.
8010 * extend.texi: Add description for AVR specific attributes.
8012 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8014 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8016 2000-02-16 Nick Clifton <nickc@cygnus.com>
8018 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8019 (make_insn_raw): Move RTL check here.
8021 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8023 * version.c: Include gansidecl.h and version.h.
8025 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8027 * configure.in (gcc_version): When setting, narrow search to
8028 lines containing `version_string'.
8030 * Makefile.in (mainversion): Likewise.
8031 (GCC_H): New variable.
8032 (gcc.h): Delete target.
8033 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8034 (version.o): Depend on version.h.
8035 (dbxout.o): Don't depend on gcc.h.
8037 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8038 Michael Meissner <meissner@cygnus.com>
8040 * md.texi (Simple Constraints): Add item about whitespace.
8041 * genoutput.c (strip_whitespace): New.
8042 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8043 strip_whitespace for constraints.
8044 Test pointer using NULL, not 0.
8046 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8048 * cpplib.c (do_line): Pedwarn for #line > 32767.
8050 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8052 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8054 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8055 to default cpp spec.
8056 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8057 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8060 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8063 2000-02-15 Denis Chertykov <denisc@overta.ru>
8065 * configure.in: Add support for avr target.
8067 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8069 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8070 (sh_addr_diff_vec_mode): Don't declare.
8071 * sh.c (sh_addr_diff_vec_mode): Delete.
8073 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8075 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8077 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8079 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8080 (smulsi3_highpart_i): Name.
8081 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8082 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8083 (smulsi3_highpart, umulsi3_highpart): Likewise.
8085 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8086 correctly independent of endianness.
8087 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8088 confuse the optimizers.
8089 (mulsidi3+1, umulsidi3+1): New define_split.
8091 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8093 * config/sh/sh.md: Guard insn splits against illegal registers.
8094 * config/sh/sh.h: Correct comment about macros.
8096 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8097 Andrew MacLeod <amacleod@cygnus.com>
8099 * Makefile.in (lcm.o): Depend on insn-attr.h.
8100 * basic-block.h (optimize_mode_switching): Declare.
8101 * lcm.c (tm_p.h, insn-attr.h): #include.
8102 (seginfo, bb_info): New structs.
8103 (antic, transp, comp, delete, insert) : New file-scope static variables.
8104 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8105 (reg_becomes_live, optimize_mode_switching): Likewise.
8106 * tm.texi: Add description of mode switching macros.
8107 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8109 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8110 (fldi_ok, fpscr_set_from_mem): New prototypes.
8111 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8112 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8113 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8114 (sh_flag_remove_dead_before_cse): Remove declaration.
8115 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8116 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8117 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8118 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8119 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8120 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8121 (fldi_ok): New function.
8122 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8123 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8124 (emit_df_insn): Likewise.
8125 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8126 (sh_flag_remove_dead_before_cse): Delete.
8127 (get_free_reg, fpscr_set_from_mem): New functions.
8128 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8129 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8131 2000-02-15 Loren Rittle <ljrittle@acm.org>
8133 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8135 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8137 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8138 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8140 * cccp.c: Include version.h and/or don't declare `version_string'.
8141 * collect2.c: Likewise.
8142 * alpha.c: Likewise.
8143 * arm/aof.h: Likewise.
8144 * arm/coff.h: Likewise.
8145 * arm/elf.h: Likewise.
8146 * arm/pe.h: Likewise.
8147 * arm/tcoff.h: Likewise.
8148 * arm/telf.h: Likewise.
8149 * arm/tpe.h: Likewise.
8150 * arm/vxarm.h: Likewise.
8151 * convex/convex.c: Likewise.
8152 * i386/dgux.c: Likewise.
8153 * i386/sun386.h: Likewise.
8154 * m88k/m88k.c: Likewise.
8155 * mcore/mcore-pe.h: Likewise.
8156 * mips/mips.h: Likewise.
8157 * romp/romp.h: Likewise.
8158 * sh/sh.c: Likewise.
8159 * cpphash.c: Likewise.
8160 * cppinit.c: Likewise.
8161 * dwarf2out.c: Likewise.
8162 * dwarfout.c: Likewise.
8165 * mips-tfile.c: Likewise.
8166 * protoize.c: Likewise.
8167 * toplev.c: Likewise.
8170 * version.c (version_string): Constify a char*.
8172 * version.h: New file.
8174 2000-02-14 Nick Clifton <nickc@cygnus.com>
8176 * configure.in: Add mcore-elf and mcore-pe targets.
8177 * configure: Regenerate.
8179 * NEWS: Add note that MCore port has been contributed.
8181 * invoke.texi: Document command line switches for MCore port.
8182 * install.texi: Add MCore to list of supported targets.
8184 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8186 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8187 then we will need to import the frame handling functions.
8188 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8189 to import the frames themselves.
8191 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8192 Jason Eckhardt <jle@cygnus.com>
8194 * basic_block.h: Added prototype for reorder_basic_blocks.
8195 * toplev.c: Changes to add -freorder-blocks and graph dump after
8196 block reordering is done.
8197 * flow.c (reorder_block_def): New structure for use during block
8199 (REORDER_BLOCK_*): New macros to access members of above structure.
8200 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8201 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8202 functions for block reordering.
8204 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8206 * gcc.texi (Passes): Fix typo.
8207 * md.texi (Standard Names): Ditto.
8208 * tm.texi (Storage Layout): Ditto.
8210 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8212 * cpplib.c (do_define): Only free the old definition if it
8215 2000-02-13 Neil Booth <NeilB@earthling.net>
8217 * cppfiles.c (read_and_prescan): When emitting deferred
8218 newlines, test speccase[] again instead of checking each
8219 possible whitespace character in turn. When we encounter \r,
8220 look behind for \n first, then ahead.
8222 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8224 * cse.c (cse_altered): New internal flag.
8225 (cse_insn): Set it if we changed an insn.
8226 (cse_main): Clear cse_altered before each basic block.
8227 Only garbage collect if cse_altered is true afterward.
8229 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8231 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8233 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8235 * combine.c (simplify_comparison): Fix typo.
8237 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8239 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8242 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8244 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8245 previously inserted node instead of root node. Caller changed.
8247 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8249 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8251 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8253 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8254 __dereg_frame_dtor): Add prototype argument.
8256 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8258 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8260 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8262 * gthr-vxworks.h (__gthread_once): Likewise.
8264 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8266 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8268 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8269 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8270 stack pointer in functions w/o saved registers, output LEAVE more often
8271 on TARGET_USE_LEAVE machines.
8273 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8275 * config/arm/arm.c (arm_init_cumulative_args); New function:
8276 Initlaise the CUMULATIE_ARGS strcuture for a function
8278 (arm_function_arg): New function: Determine where to place a
8279 function's argument. Also handles deciding the function's
8281 (current_file_function_operand): New function: Return true if
8282 the symbol is a function which has already been compiled.
8283 (arm_is_long_call_p): New function: Return true if the
8284 indicated function should be called via a long call.
8285 (arm_valid_type_attribute_p): New function: Return true if the
8286 attribute is a valid, arm specific, attribute.
8287 (arm_comp_type_attribute): New function: Return true if the
8288 two types have compatable, arm specific, attributes.
8290 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8292 (FUNCTION_ARG): Redefine to call arm_function_arg.
8293 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8295 (INIT_CUMULATIVE_ARGS): Redefine to call
8296 arm_init_cumulative_args.
8297 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8299 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8301 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8303 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8304 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8305 (COMP_TYPE_ATTRIBUTES): Define.
8307 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8308 if a long call is needed.
8309 (call_value): Call arm_is_long_call_p to decide if a long call
8311 (call_symbol): Call arm_is_long_call_p to decide if a long call
8314 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8316 2000-02-11 Denis Chertykov <denisc@overta.ru>
8318 * README.AVR: New file with information about the avr ports.
8319 * config/avr: New directory with avr port files.
8321 2000-02-11 Andreas Jaeger <aj@suse.de>
8323 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8325 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8327 * cpphash.c: Fix formatting, update commentary.
8328 (dump_definition): Take three separate arguments instead of a
8329 MACRODEF structure argument.
8330 * cpphash.h: Update prototype of dump_definition.
8331 * cppinit.c (cpp_finish): Update call of dump_definition.
8333 * cpplib.c (do_define): Always create new hash entry with
8334 T_MACRO type. Remove redundant check for redefinition of
8335 poisoned identifier. Update call of dump_definition.
8336 (do_undef): Don't call check_macro_name. Rename sym_length to
8338 (do_error, do_warning): Don't use copy_rest_of_line or
8340 (do_warning): Don't use pedwarn for the actual warning,
8341 only the notice about its not being in the standard. (Fixes
8342 bug with #warning in system headers.)
8343 (do_ident): Stricter argument checking - accept only a single
8344 string after #ident. Also, macro-expand the line.
8345 (do_xifdef): Use cpp_defined. De-obfuscate.
8347 (do_pragma): Split out specific pragma handling to separate
8348 functions. Use get_directive_token. Update commentary. Do
8349 not pass on #pragma once or #pragma poison to the front end.
8350 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8351 do_pragma_default): New.
8353 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8355 * jump.c (jump_optimize_1): The first operand in a relational
8357 * optabs.c (emit_conditional_move): Handle relationals which
8358 have a known true/false result.
8360 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8362 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8363 a RETURN insn into a block which already ends with a jump.
8365 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8367 * haifa-sched.c (BUF_LEN): Increase a lot.
8369 2000-02-11 Nick Clifton <nickc@cygnus.com>
8371 * configure.in: Add tm_p_file specification for thumb targets.
8372 * configure: Regenerate.
8374 * config/arm/thumb-protos.h: New file: Prototypes for exported
8375 functions defined in thumb.c.
8377 2000-02-11 Robert Lipe <robertl@sco.com>
8379 * Makefile.in (bootstrap-lean): Remove additional files.
8380 (bootstrap2-lean): Likewise.
8381 (VOL_FILES): List of files for above.
8383 2000-02-11 Nathan Sidwell <nathan@acm.org>
8385 * cpphash.c (special_symbol): Remove spurious argument to
8388 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8390 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8392 * configure: Rebuilt.
8394 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8396 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8398 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8400 * pa.c, pa.h: Remove trigraph sequences within comments.
8402 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8404 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8406 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8408 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8410 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8412 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8414 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8416 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8417 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8418 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8419 (ASM_FILE_END): Use c4x_file_end.
8420 * config/c4x/c4x.c (c4x_global_label): New function.
8421 (c4x_external_ref, c4x_file_end): Likewise.
8423 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8424 (c4x_external_ref, c4x_end_file): Likewise.
8426 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8428 * cppexp.c: Don't include cpphash.h.
8429 (parse_charconst, cpp_lex): Use cpp_defined.
8430 (cpp_lex): Use get_directive_token throughout. Remove
8431 unnecessary cases from switch. Move assertion-handling code
8433 (cpp_parse_expr): If we see '+' or '-', check the context to
8434 determine if they are unary or binary operators. Streamline
8435 the jumps a bit. Do not call skip_rest_of_line.
8437 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8438 static. Export get_directive_token. Update commentary.
8439 (cpp_defined): New function.
8440 (do_define): Remove reference to T_PCSTRING. Call
8441 free_definition to release memory for old definition, when
8443 (eval_if_expression): Set only_seen_white to 0 before calling
8444 cpp_parse_expr. Call skip_rest_of_line after it returns.
8445 (cpp_read_check_assertion): Don't preserve a pointer into the
8446 token buffer across a call to cpp_get_token.
8448 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8449 * cppfiles.c (redundant_include_p): Use cpp_defined.
8450 * cpphash.c (free_definition): New function.
8451 (delete_macro): Use it. Update commentary.
8452 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8454 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8455 from enum node_type. Prototype cpp_defined and get_directive_token.
8456 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8458 * fix-header.c (check_macro_names): Use cpp_defined.
8459 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8460 the options structure.
8462 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8464 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8466 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8468 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8469 rather than die->die_tag.
8471 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8473 * combine.c (make_extraction, force_to_mode): Avoid warning on
8474 mixed-signedness conditionals.
8475 (make_field_assignment, nonzero_bits): Likewise.
8476 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8477 (store_split_bit_field, extract_split_bit_field): Likewise.
8478 (extract_fixed_bit_field, store_bit_field,
8479 * expr.c: Change alignment to be unsigned everywhere.
8480 (move_by_pieces, store_constructor_field, store_constructor):
8481 Alignment parm is unsigned.
8482 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8483 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8484 (do_compare_rtx_and_jump): Likewise.
8485 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8486 Compare align with GET_MODE_ALIGNMENT.
8487 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8488 (get_inner_reference): Likewise.
8489 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8490 (expand_assignment): Local vars for alignment now unsigned.
8491 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8492 (do_compare_and_jump): Likewise.
8493 (store_field): Call new function expr_align.
8494 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8495 Alignment arg now unsigned.
8496 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8497 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8498 (extract_bit_field): Likewise.
8499 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8500 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8501 (get_best_mode): Alignment arg is unsigned.
8502 * rtl.h (move_by_pieces): Likewise.
8503 * store-layout.c (maximum_field_alignment, set_alignment):
8505 (layout_decl): Alignment arg is now unsigned.
8506 Remove unneeded casts.
8507 (layout_record, layout_union, layout_type): Remove unneeded casts.
8508 Local alignment variables now unsigned.
8509 (get_best_mode): Alignment arg now unsigned.
8510 * tree.c (expr_align): New function.
8511 * tree.h (expr_align): Likewise.
8512 (maximum_field_alignment, set_alignment): Now unsigned.
8513 (get_inner_reference): Alignment argument is now pointer to unsigned.
8514 * varasm.c (assemble_variable): Add cast to eliminate warning.
8516 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8518 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8519 then store directly into op0.
8521 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8522 the CALL_INSN, and emit the note immediately after it.
8524 2000-02-10 Nick Clifton <nickc@cygnus.com>
8526 * config/arm/thumb.md (epilogue): Include a (return) in the
8527 generated insn, and emit it using emit_jump_insn not
8530 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8532 * function.c (assign_temp): Change zero-sized arrays to size 1.
8533 * integrate.c (expand_inline_function): Do not update
8534 stack_alignment_needed
8535 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8536 add some sanity checking, remove optimization for function with
8539 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8541 * flow.c (mark_regs_live_at_end): Delete unused variables.
8543 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8545 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8546 in macro FRAME_GROWS_DOWNWARD.
8548 * stmt.c (expand_end_bindings): Delete unused variable.
8550 * unroll.c (iteration_info): Mark parameter `loop' with
8553 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8555 * fixinc/server.c (load_data): Return NULL if the marker line is
8557 (run_shell): If load_data returns NULL, retry the command once, in
8560 * configure: Rebuilt.
8562 2000-02-09 Bruce Korb <bkorb@gnu.org>
8564 * gcc/fixincludes: ** DELETED **
8565 * gcc/fixcpp: ** DELETED **
8566 * gcc/fixinc-nt.sed: ** DELETED **
8567 * gcc/just-fixinc: ** DELETED **
8568 * gcc/Makefile.in: Removed out-dated commentary
8569 * gcc/configure.in: Removed fast-fixincludes disablement.
8570 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8572 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8573 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8576 2000-02-09 Richard Henderson <rth@cygnus.com>
8578 * jump.c (delete_insn): Don't delete user labels at -O0.
8580 2000-02-09 Robert Lipe <robertl@sco.com>
8582 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8583 Don't link with HOST_LIBS.
8585 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8587 * configure.in: Correct --help text for --with-dwarf2.
8588 Put tm-dwarf2.h after other tm files, if it's requested.
8589 * configure: Regenerate.
8590 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8593 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8595 * cpplib.h: Provide HASHNODE typedef and forward decl of
8596 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8597 DEFINITION, struct hashnode, struct macrodef, struct
8598 definition, scan_decls prototype, default defn of
8599 INCLUDE_LEN_FUDGE moved elsewhere.
8601 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8602 definition, and struct hashnode moved here. Remove the unused
8603 'predefined' field from struct definition. Replace the 'args'
8604 union with its sole member. All users updated (cpphash.c).
8605 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8606 multiple include guard.
8608 * cpphash.c (hashf): Make static; use better algorithm; drop
8609 HASHSIZE parameter; return an unsigned int.
8610 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8611 used. Calculate HASHSIZE modulus here.
8612 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8614 (create_definition): Drop PREDEFINITION parameter.
8615 * cpplib.c (do_define): Don't calculate a hash value here.
8616 Don't pass (keyword == NULL) to create_definition.
8618 * scan.h: Prototype scan_decls here.
8619 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8620 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8621 callers of cpp_lookup and cpp_install updated.
8623 * cpphash.c (macarg): Hoist all the flag diddling out of the
8625 (macroexpand): ... and out of the loop that calls macarg.
8626 Skip over the initial paren before macro arguments with
8627 cpp_get_non_space_token; point may be some distance before
8628 that paren. Abort if it's not there.
8630 * cpplib.c (parse_clear_mark): Delete function.
8631 (parse_set_mark, parse_goto_mark): Make static.
8632 (ACTIVE_MARK_P): New macro.
8633 (skip_block_comment, skip_line_comment): Do not bump the line
8634 if ACTIVE_MARK_P is true.
8635 (cpp_pop_buffer): The buffer to be popped may not have an
8637 (cpp_get_token): When looking for the initial paren before
8638 macro arguments, only set a mark in a file buffer, Always
8639 return to that mark before proceeding to call macroexpand or
8640 return a NAME token.
8642 * cpplib.h: Remove prototypes of parse_set_mark,
8643 parse_clear_mark, parse_goto_mark.
8644 (struct cpp_options): Rename 'put_out_comments' to
8645 'discard_comments' and invert its sense.
8646 * cppinit.c, cpphash.c, cpplib.c: All users of
8647 put_out_comments changed to use discard_comments, with
8650 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8652 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8653 the edge from a block that both jumps and falls through to the
8656 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8658 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8659 constant source address is legitimate.
8661 2000-02-09 Philip Blundell <pb@futuretv.com>
8663 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8666 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8668 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8670 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8672 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8673 ends with a newline and a NUL. Don't be so clever manipulating
8676 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8678 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8679 not to BIGGEST_ALIGNMENT.
8681 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8683 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8684 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8685 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8686 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8687 * frame.c (execute_cfa_insn): Handle
8688 DW_CFA_GNU_negative_offset_extended.
8690 2000-02-08 Richard Henderson <rth@cygnus.com>
8692 * flow.c (tidy_fallthru_edges): Split out from ...
8693 (delete_unreachable_blocks): ... here.
8694 (find_basic_blocks): Use it.
8696 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8698 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8700 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8702 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8703 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8704 (fix-header.o): Don't depend on cpphash.h.
8706 * scan.c (hashstr): New function.
8707 * scan.h: Prototype it.
8708 * fix-header.c: Don't include cpphash.h. Use hashstr.
8709 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8710 hashstr. Report hash table statistics. Add private
8711 definition of xrealloc.
8713 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8715 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8717 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8719 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8720 jumps with returns unless they are jumps to the fallthru block.
8722 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8724 * i386.md (addqi3_cc): Fix contraints.
8726 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8728 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8730 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8732 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8733 carriage return after a macro name.
8735 2000-02-07 Fred Fish <fnf@be.com>
8737 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8738 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8740 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8742 * cppfiles.c (deps_output): Count spacers in deps_column.
8744 2000-02-07 Neil Booth <NeilB@earthling.net>
8746 * cppinit.c (initialize_dependency_output): If there is no
8747 suffix, don't try to look for known suffixes. Use strrchr.
8748 (cpp_start_read): Remove duplicate initialization.
8750 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8752 * calls.c (compute_argument_block_size): New argument
8753 preferred_stack_boundary.
8754 (expand_call): update cfun->preferred_stack_boundary, update call of
8755 compute_argument_block_size
8756 (emit_library_call): Increate cfun->preferred_stack_boundary
8757 to PREFERRED_STACK_BOUNDARY
8758 (emit_library_call_value): Likewise.
8759 * explow.c (allocate_dynamic_stack_spave): Likewise.
8760 * function.c (prepare_function_start): Set
8761 cfun->preferred_stack_boundary
8762 * function.h (struct function): Add preferred_stack_boundary field.
8763 * integrate.c (expand_inline_function): Update
8764 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8765 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8766 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8768 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8770 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8771 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8772 cpp_pedwarn, cpp_pedwarn_with_line,
8773 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8774 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8775 v_cpp_error_with_line, v_cpp_warning_with_line,
8776 cpp_message_from_errno, cpp_perror_with_name): Delete.
8778 * cpperror.c (cpp_print_containing_files): Take starting
8780 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8781 (v_cpp_message): Now called directly by all entry points.
8783 (cpp_pfatal_with_name, cpp_message): Delete.
8784 (cpp_notice_from_errno, cpp_ice): New functions.
8785 (cpp_notice): Is now for reporting error conditions, just
8786 without an associated file.
8787 (cpp_error, cpp_error_with_line): Don't do anything if
8788 opts->inhibit_errors is on.
8789 (cpp_pedwarn_with_file_and_line): Take column argument also.
8791 * cpplib.h: Update prototypes of exported functions.
8792 (struct cpp_options): Add inhibit_errors.
8794 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8795 non-error messages. Include intl.h.
8797 * cppinit.c, cppmain.c: Likewise. Also, use
8798 cpp_notice_from_errno instead of cpp_perror_with_name or
8799 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8801 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8802 report internal errors.
8804 * cpplib.c (do_define): Switch bcopy to memcpy.
8805 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8807 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8808 bail out early if we hit a line comment.
8810 2000-02-06 Richard Henderson <rth@cygnus.com>
8812 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8813 * basic-block.h: Declare them.
8814 * emit-rtl.h (active_insn_p): New.
8815 (next_active_insn, prev_active_insn): Use it.
8816 * rtl.h: Declare it.
8817 * function.c (emit_return_into_block): New.
8818 (thread_prologue_and_epilogue_insns): Insert return insns instead
8819 of epilogues when possible.
8820 * jump.c (jump_optimize_1): Remove code to insert a return insn
8821 on the fallthru to the exit block.
8823 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8824 and for non-empty stack frames.
8825 * i386.md (return): Expand to return-pop as needed.
8827 2000-02-06 Richard Henderson <rth@cygnus.com>
8829 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8830 constant to op1 for testing.
8832 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8834 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8835 (fixuns_truncqfqi2): Use it.
8837 2000-02-06 Richard Henderson <rth@cygnus.com>
8839 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8842 * i386.md (widening and peepholes): Mask the constant instead of
8845 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8847 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8848 input pointer before possibly branching off to the backslash
8850 * cpphash.c (macroexpand): Correctly delete \r escapes when
8851 stringifying parameters.
8852 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8853 if we can; bail out early if we hit a line comment.
8854 (handle_directive): Treat '# 123' in an .S file just like
8855 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8856 Return 1 for '# not_a_directive'.
8857 (get_directive_token): Pop macro buffers here, so that
8858 cpp_get_token can't sneakily move past a newline.
8860 (cpp_get_token): goto randomchar if handle_directive returns 0.
8862 * cppalloc.c: Update copyright.
8863 * cpplib.c: Merge all the static function prototypes into one
8865 * cpplib.h: Remove #if 0 block.
8867 * cpperror.c: Remove #ifdef EMACS block.
8868 * cppmain.c: Likewise.
8869 * cpphash.c: Remove #if 0 blocks.
8870 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8871 * cpplib.c: Remove #if 0 blocks and code referencing
8872 pcp_inside_if or for_lint. Remove duplicate error message.
8873 Fix error messages for #else after #else or #elif. Reformat.
8874 Remove archaic TODO list.
8875 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8877 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8879 * i386/osf1elf.h: Add missing backslash to multiline string.
8881 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8883 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8885 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8887 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8889 * c-common.c: Include expr.h.
8891 * c-pragma.c (mark_align_stack): Add prototype.
8893 * caller-save.c (add_stored_regs): Likewise.
8895 * combine.c (record_promoted_value): Likewise.
8897 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8900 * cppinit.c (new_pending_define): Likewise.
8902 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8904 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8905 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8906 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8907 class_scope_p): Likewise.
8909 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8910 dwarf2out_add_library_unit_info): Likewise.
8912 * ggc.h (ggc_page_print_statistics): Likewise.
8914 * haifa-sched.c (propagate_deps): Likewise.
8916 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8918 * rtl.h (set_stack_check_libfunc): Likewise.
8920 * toplev.h (set_fatal_function): Likewise.
8922 * toplev.c (set_fatal_function): Delete prototype.
8924 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8926 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8928 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8929 (FUNC_END): Likewise.
8931 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8933 * caller-save.c: Include tm_p.h.
8935 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8937 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8939 2000-02-04 Neil Booth <NeilB@earthling.net>
8941 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8944 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8946 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8947 * genflags.c: Use the max_operand_1 logic from genemit.c to
8948 calculate how many arguments gen_insn prototypes have. Remove
8949 NO_MD_PROTOTYPES ifdefs from the generated file.
8950 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8951 file. Cast gen_insn initializers to insn_gen_fn.
8952 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8953 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8955 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8957 * fixinc/Makefile.in (HDR): Add machname.h.
8960 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8962 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8963 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8964 (c4x_cpu_version): Ditto.
8965 * config/c4x/c4x-protos.h: ... here.
8967 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8969 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8970 gen_abstract_function on our context if we're a nested function.
8972 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8974 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8975 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8977 2000-02-04 Bruce Korb <bkorb@gnu.org>
8979 * fixinc/genfixes(machname.h):
8980 Move the functionality from gen-machine.h into this file.
8981 UNdef MN_NAME_PAT if there are no names to change.
8982 Also, be a little kinder when AutoGen is not present.
8984 * fixinc/Makefile.in(machname.h):
8985 Change the generation rule to use genfixes.
8987 * fixinc/fixfixes.c(machine_name):
8988 machine_name_fix's functionality now dependent upon whether
8989 MN_NAME_PAT is defined.
8991 * fixinc/fixtests.c(machine_name):
8994 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8997 * fixinc/fixlib.h(mn_get_regexps):
9000 * fixinc/gen-machine.h: DELETED
9002 2000-02-04 Jan Hubicka <jh@suse.cz>
9003 Richard Henderson <rth@cygnus.com>
9005 * i386.c (SAVE_REGS_FIRST): Remove.
9006 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9007 (ix86_compute_frame_size): Likewise.
9008 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9009 (ix86_emit_restore_regs): Remove.
9010 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9011 when a frame pointer is in use.
9012 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9013 instead of pop to restore a register when profitable; emit leave
9015 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9017 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9018 * i386.md (prologue_allocate_stack): Remove.
9019 (epilogue_deallocate_stack): Remove.
9020 (pro_epilogue_adjust_stack): New.
9022 2000-02-04 Richard Henderson <rth@cygnus.com>
9024 * function.c (diddle_return_value): Rework to use a callback function.
9025 Use current_function_return_rtx if it's been set up.
9026 (do_clobber_return_reg, clobber_return_register): New.
9027 (do_use_return_reg, use_return_register): New.
9028 (expand_function_end): Use them.
9029 * stmt.c (expand_null_return): Likewise.
9030 * function.h: Declare them.
9031 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9032 (mark_reg): Change arguments as appropriate for callback.
9033 * integrate.c (expand_inline_function): Revert 19 Jan change.
9035 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9037 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9038 (Misc): Say the scheduler, not the Haifa scheduler.
9040 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9042 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9043 when in_mem is set. Update all callers.
9045 2000-02-04 Richard Henderson <rth@cygnus.com>
9047 * i386/openbsd.h (INT_ASM_OP): Define.
9049 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9051 * tm.texi: Fix various typos.
9053 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9055 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9056 (MD_STARTFILE_PREFIX_1): New macro.
9058 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9060 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9061 destination when needed.
9062 (strmovsi, strsetsi): New expander.
9063 (strmovsi_1, strsetsi_1): New pattern.
9064 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9065 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9066 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9067 * invoke.texi (align-stringops, inline-all-stringops): Document.
9069 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9071 * i386/netbsd.h (INT_ASM_OP): Define.
9073 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9075 * cpplib.h (cpp_reader): Add new flag, no_directives.
9076 * cpphash.c (macarg): Set it.
9077 * cpplib.c (handle_directive): If no_directives is on and we
9078 find a directive, issue an error and discard the line.
9080 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9082 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9083 FP constants. Add ! TARGET_FPU check for FP constants.
9085 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9087 * flow.c (find_basic_blocks): Don't kill label_value_list
9089 (cleanup_cfg): Kill it here.
9091 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9093 * expr.c (store_field): Ensure ALIGN is no stricter than the
9096 2000-02-02 Richard Henderson <rth@cygnus.com>
9098 * jump.c (delete_insn): Partially revert 19 Jan change;
9099 don't convert unused code labels to notes at -O0.
9101 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9103 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9104 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9106 2000-02-01 Richard Henderson <rth@cygnus.com>
9108 * i386.c (general_no_elim_operand): New.
9109 (nonmemory_no_elim_operand): New.
9110 (ix86_expand_move): Copy eliminable operands before a push.
9111 * i386-protos.h: Declare new functions.
9112 * i386.h (CAN_ELIMINATE): Simplify.
9113 (PREDICATE_CODES): Update.
9114 * i386.md (push insns): Don't allow eliminable register operands.
9116 2000-02-01 Richard Henderson <rth@cygnus.com>
9118 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9119 replace BLKmode with DECL_RTL's mode.
9121 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9123 * frame.c (find_fde): Convert for loop to do-while so compiler
9124 sees it's always executed at least once.
9125 * libgcc2.c (BBINBUFSIZE): Kill.
9126 (__bb_init_prg): Use fgets.
9127 (__bb_exit_trace_func): Don't paste strings.
9128 * unroll.c (unroll_loop): Initialize unroll_type, not
9129 unroll_number, and tweak logic to match.
9131 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9133 (ix86_flags_dependant): Likewise. Disentangle control flow.
9134 (ix86_sched_reorder): Break guts out to
9135 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9136 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9139 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9140 use string concatenation. Don't save and restore esi.
9142 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9143 (machname.h): Remove script to separate file. Use two-step
9144 sequence so target is not created if script fails.
9145 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9146 identifiers are defined.
9147 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9148 an empty string, machine_name doesn't need to do anything at
9150 (is_cxx_header): Add more cases to regexp.
9151 * fixinc/fixlib.h: Update prototype.
9152 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9154 * fixinc/fixincl.c: Define NO_BOGOSITY.
9156 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9157 (hp_sysfile): Add missing comma.
9158 (math_exception): Put the wrapper ifdefs at the beginning and
9159 the end of the file.
9160 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9162 2000-02-01 Richard Henderson <rth@cygnus.com>
9164 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9165 Use CONST0_RTX. Update all callers.
9166 * sparc.h, sparc-protos.h: Update accordingly.
9167 * sparc.md (fp mov insns): Use fp_zero_operand directly
9170 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9172 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9175 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9177 * Makefile.in (specs.ready): New target.
9178 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9180 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9182 * fixinc.irix: Use unique filenames for writing into /tmp,
9183 * fixinc.ptx: Likewise.
9184 * fixinc.sco: Likewise.
9185 * fixinc.svr4: Likewise.
9186 * fixinc.winnt: Likewise.
9188 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9190 * tsystem.h: New file.
9192 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9193 s-crtS): Depend on tsystem.h.
9195 * crtstuff.c: Include tsystem.h.
9196 * frame.c: Likewise.
9197 * libgcc2.c: Likewise.
9199 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9201 * builtins.c (expand_builtin_memset): Expand for variable sized
9204 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9206 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9209 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9211 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9213 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9215 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9217 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9218 case 3->2 combining (combining with splitting) in which 2 is CC0
9219 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9220 checked at the begining of the function with the aid of calling
9221 function 'can_combine_p'.
9223 2000-01-31 Dave Brolley <brolley@redhat.com>
9225 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9227 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9229 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9232 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9234 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9236 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9239 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9241 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9242 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9243 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9244 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9245 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9246 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9247 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9248 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9249 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9250 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9252 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9253 Add %(cpp_cpu) to CPP_SPEC.
9255 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9256 Add %(cc1_cpu) to CC1_SPEC.
9258 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9260 * c-decl.c (c_decode_option): Accept optional numeric argument to
9261 -Wformat and set warn_format.
9262 * c-common.c: Don't emit warning about non-constant printf format
9263 string unless warn_format > 1.
9265 2000-01-30 Richard Henderson <rth@cygnus.com>
9267 * alpha.md (return_internal): Allow after reload only.
9269 2000-01-30 Richard Henderson <rth@cygnus.com>
9271 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9272 local frame size is zero.
9274 2000-01-30 Richard Henderson <rth@cygnus.com>
9276 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9277 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9278 * alpha.md (return): Turn into an expander.
9279 (return_internal): Don't use $26.
9280 (epilogue): Emit the return insn.
9282 2000-01-30 Richard Henderson <rth@cygnus.com>
9284 * alpha.md (negtf2, abstf2): Fix word order thinko.
9286 (trunctfsf2): Avoid intermediate rounding errors.
9288 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9290 * cppfiles.c (find_position): Drop 'colp' argument, return the
9292 (read_and_prescan): Adjust to match. Don't ever manipulate
9293 line or line_base except via find_position.
9295 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9297 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9298 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9301 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9303 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9304 just print "<command line>". If 'filename' is null or an
9305 empty string, print "<stdin>" for the filename.
9306 * cpplib.c (do_define): Don't print the 'location of the
9307 previous definition' message if we're still parsing the
9309 (cpp_pedwarn_with_file_and_line): Always call
9310 cpp_file_line_for_message.
9312 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9314 * flow.c (mark_regs_live_at_end): Fix typo.
9316 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9318 * c-common.c: Adjust variable names, comments, help strings to c99.
9319 * c-lex.c: Likewise.
9320 * c-parse.y: Likewise.
9321 * c-tree.h: Likewise.
9323 * cpplib.h: Likewise.
9324 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9325 * cppinit.c: Likewise.
9327 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9329 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9330 * c4x.c: Define the optab rtx values.
9331 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9332 (c4x_emit_libcall): Use new optab rtx values.
9333 (c4x_emit_libcall3): Likewise.
9334 (c4x_emit_libcall_mulhi): Likewise.
9335 * c4x-protos.h: Add prototypes for optab rtx values and change
9336 prototypes for above c4x_emit_libcall functions.
9338 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9340 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9342 (c4x_function_prologue): Use regnames intead of float_reg_names when
9344 (c4x_function_epilogue): Likewise.
9345 (c4x_print_operand): Likewise.
9346 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9347 * c4x.md (set_high): Disable for TARGET_TI.
9349 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9351 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9352 of framepointer + constant to ADDR_REGS class.
9353 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9354 * c4x.c (std_or_reg_operand): New function.
9355 * c4x-protos.h (std_or_reg_operand): Prototype it.
9357 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9359 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9360 object names as libgcc2.c.
9361 * libgcc.S: Use newly defined names.
9363 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9364 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9366 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9367 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9368 (FLOW_LOOP_LAST_BLOCK): Likewise.
9370 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9372 * basic-block.h (struct loop): New fields 'first' and 'last'.
9373 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9374 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9375 and loop->last to check for NOTE_INSN_LOOP_END.
9377 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9379 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9380 of the loop descriptor rather than HEADER and LATCH. Also added
9381 missing break statements as well making some coding style modifications
9382 as suggested by Michael Hayes.
9384 2000-01-28 Richard Henderson <rth@cygnus.com>
9386 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9387 Break out that code ...
9388 (cleanup_cfg): ... here.
9389 (commit_one_edge_insertion): Detect a return instruction being
9390 emitted to an edge. Emit a barrier following; clear fallthru.
9391 (commit_edge_insertions): Verify CFG consistency.
9392 * function.c (expand_function_start): Kill unused variable.
9393 (expand_function_end): Likewise.
9394 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9395 to insert the epilogue.
9397 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9398 (delete_null_pointer_checks): Likewise.
9399 * output.h: Likewise.
9400 * reg-stack.c (reg_to_stack): Likewise.
9401 * toplev.c (rest_of_compilation): Likewise. Run
9402 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9404 2000-01-28 Richard Henderson <rth@cygnus.com>
9406 * Makefile.in (flow.o): Revert 24 Jan change.
9407 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9408 FUNCTION_VALUE result to DECL_RESULT's mode.
9410 * haifa-sched.c (schedule_insns): Don't recompute reg info
9413 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9415 * configure.in: Make --enable-cpplib the default.
9416 * configure: Regenerate.
9417 * gcc.dg/990119-1.c: No longer expected to fail.
9419 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9421 * jump.c (jump_optimize_1): Delete an optimization that is also done
9422 by merge_blocks in flow.
9424 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9426 * diagnostic.c (build_message_string, output_printf,
9427 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9428 (build_location_prefix): Fix non-literal format string.
9430 2000-01-27 Richard Henderson <rth@cygnus.com>
9432 * alpha.md (trunctfsf2): New.
9434 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9436 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9438 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9440 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9442 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9444 (skip_comment) ... here. Permit C++ comments in system
9445 headers always. Warn about C++ comments in user code under
9446 -std=gnu89 -pedantic.
9447 (copy_comment): Use skip_comment.
9448 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9450 (consider_directive_while_skipping, do_else, do_endif): Call
9451 validate_else unconditionally.
9452 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9453 text after the conditional in a system header.
9454 * cpplib.h (struct cpp_buffer): Add flag
9455 warned_cplusplus_comments.
9457 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9459 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9460 Use unshare_all_rtl_1.
9461 (unshare_all_rtl_again): New function.
9462 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9464 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9465 rather than resetting the 'used' flags ourself.
9467 * toplev.c (rest_of_compilation): Add current_function_decl
9468 to the unshare_all_rtl call.
9469 * tree.h: Prototype unshare_all_rtl.
9470 * rtl.h: Prototype unshare_all_rtl_again here.
9472 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9474 * genoutput.c (output_prologue): Include ggc.h in generated
9476 * Makefile.in (insn-output.o): Depends on ggc.h.
9478 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9479 Hans-Peter Nilsson <hp@bitrange.com>
9481 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9482 Remove redundant include of xm-ns32k.h.
9483 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9484 Remove redundant include of xm-ns32k.h.
9485 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9486 Remove redundant include of xm-ns32k.h.
9487 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9489 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9490 (TARGET_SWITCHES): Add documentation strings.
9491 (DWARF_FRAME_REGNUM): Override default definition.
9492 (REG_CLASS_CONTENTS): Add comments.
9493 (SUBSET_P): Format to reduce line length.
9494 (SMALL_REGISTER_CLASSES): Make a run time option.
9495 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9496 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9497 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9498 (regclass_map): fix typo in comment.
9499 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9500 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9501 (trace, reg_or_mem_operand): Delete, unused function.
9502 (calc_address_cost): Small offsets are cheaper than large ones.
9503 (expand_block_move): Generate more efficient code when bytes is a
9504 known at compile time.
9505 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9506 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9507 instead of reg_or_mem_operand.
9509 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9510 not general_operand. Similarly use "=rm" or stricter, not "=g".
9511 For input operands, use stricter constraints than "g" if not
9512 general_operand. Similarly use stricter predicate than
9513 "general_operand" when stricter constraints than "g" are present,
9514 except for matching constraints.
9515 (movstrsi): Use "memory_operand" for operands 0 and 1.
9516 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9517 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9518 not reg_or_mem_operand.
9519 (udivmoddisi4): Ditto.
9520 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9521 Use nonimmediate_operand for operand 3, not register_operand.
9522 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9525 2000-01-27 Fred Fish <fnf@be.com>
9527 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9528 * gthr-single.h: Likewise.
9529 * gthr-solaris.h: Likewise.
9530 * gthr-vxworks.h: Likewise.
9531 * gthr-win32.h: Likewise.
9534 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9536 * cppinit.c: Add " (cpplib)" to end of string printed by
9539 2000-01-27 Richard Henderson <rth@cygnus.com>
9541 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9542 testing for a signed comparison.
9543 (alpha_emit_floatuns): New.
9544 * alpha-protos.h: Declare it.
9545 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9546 (extendsfdf2): Tidy.
9548 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9550 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9551 no -g option specifying debugging format, default to -gstabs+.
9553 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9555 * calls.c (special_function_p): New argument fork_or_exec.
9556 (expand_call): When profile_arc_flag is set and the function
9557 is in the fork_or_exec group, call __bb_fork_func first.
9558 * libgcc2.c, _bb module (__bb_fork_func): New function.
9559 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9561 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9562 * tree.h (special_function_p): Update prototype.
9564 2000-01-26 Richard Henderson <rth@cygnus.com>
9566 * alpha.c (alpha_split_tfmode_pair): New.
9567 * alpha-protos.h: Declare it.
9568 * alpha.md (abstf2, negtf2): New.
9569 (movtf insn): Add input G constraint.
9570 (movtf splitter): Use alpha_split_tfmode_pair.
9572 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9574 * i386/cygwin.h: PROTO -> PARAMS.
9576 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9578 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9579 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9580 using _Qp_cmp/_Q_cmp and testing the return value.
9581 (print_operand): Call reverse_condition_maybe_unordered if
9582 we are handling CCFPmode or CCFPEmode.
9583 Handle ORDERED, UN* and LTGT comparisons.
9584 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9585 if not TARGET_HARD_QUAD.
9586 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9587 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9588 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9589 Adjust gen_b* calls so that they reflect return comparison of
9590 sparc_emit_float_lib_cmp.
9592 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9594 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9595 incoming operands array is large enough for one more operand.
9596 (alpha_emit_xfloating_arith): Likewise.
9598 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9600 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9601 file with one line and no trailing newline.
9602 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9603 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9604 checking if the match is on the line.
9605 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9607 2000-01-25 Richard Henderson <rth@cygnus.com>
9609 * sparc.c (output_cbranch): Fix accidental squashing of the
9610 fp branch pre-delay nop.
9612 2000-01-25 Richard Henderson <rth@cygnus.com>
9614 * tree.def (UNNE_EXPR): Remove.
9615 * c-typeck.c (build_binary_op): Don't handle it.
9616 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9618 * rtl.def (UNNE): Remove.
9620 * jump.c (reverse_condition): Update accordingly.
9621 (swap_condition): Likewise.
9622 (comparison_dominates_p): Handle unordered comparisons.
9623 (reverse_condition_maybe_unordered): New.
9624 * rtl.h (reverse_condition_maybe_unordered): Declare.
9626 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9627 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9628 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9629 * sparc.md (bltgt): New.
9631 2000-01-25 Nick Clifton <nickc@redhat.com>
9633 * emit-rtl.c (emit_insn): Only check machine class insns for
9634 improper emission of a RETURN.
9636 2000-01-25 Richard Henderson <rth@cygnus.com>
9638 * Makefile.in (flow.o): Depend on $(EXPR_H).
9639 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9640 duplicate the structure of diddle_return_value for keeping regs live.
9642 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9644 * loop.c (current_loop_info): Delete.
9645 (consec_sets_invariant_p): Add loop argument, update callers.
9646 (get_condition_for_loop): Likewise.
9647 (count_nonfixed_reads, update_giv_derive): Likewise.
9648 (simplify_giv_expr, general_induction_var): Likewise.
9649 (consec_sets_giv, recombine_givs): Likewise.
9650 (move_movables): Delete loop_start and loop_end arguments,
9651 add loop argument, and update callers.
9652 (find_mem_givs, check_final_value): Likewise.
9653 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9654 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9656 (basic_induction_var): Add loop argument, delete loop_level argument,
9658 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9659 add loop argument, and update callers.
9660 (find_splittable_regs, find_splittable_givs): Likewise.
9661 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9662 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9663 (biv_total_increment): Delete loop_start and loop_end arguments;
9665 (precondition_loop_p): Delete loop_start and loop_info arguments;
9667 * loop.h (get_condition_for_loop): Add loop argument.
9668 (biv_total_increment): Delete loop_start and loop_end arguments.
9669 (precondition_loop_p): Delete loop_start and loop_info arguments;
9671 (final_biv_value): Delete loop_start and loop_end arguments;
9673 (final_giv_value, back_branch_in_range_p): Likewise.
9675 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9677 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9679 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9681 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9682 point to the new "generated_files" doc.
9684 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9686 * config/fp-bit.c (_unord_f2): Fix typo.
9688 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9690 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9691 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9692 functions obsoleted by GC, such as push_obstacks_nochange,
9693 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9694 and code which existed only to decide whether or not to call
9695 them. Remove now-unused NESTED argument from start_function;
9696 all callers changed. Do not change behavior based on ggc_p.
9697 The use of the ixp_obstack in c-iterate.c and the util_obstack
9698 in objc/objc-act.c remain; these are not obsoleted by garbage
9700 * c-tree.h: Update prototype for start_function.
9702 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9704 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9706 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9709 2000-01-25 Richard Henderson <rth@cygnus.com>
9711 * sparc-protos.h (select_cc_mode): Declare.
9712 * sparc.c (select_cc_mode): New. Handle unordered compares.
9713 (output_cbranch): Always reverse via code change. Handle
9714 unordered compares. Factor tests and string updates.
9715 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9716 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9717 * sparc.md (bunordered, bordered): New.
9718 (bungt, bunlt, buneq, bunge, bunle): New.
9720 2000-01-25 Richard Henderson <rth@cygnus.com>
9722 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9723 * ggc-common.c (ggc_add_rtx_varray_root): New.
9724 (ggc_mark_rtx_varray): New.
9725 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9726 functions down below ggc_mark_foo.
9727 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9729 2000-01-25 Richard Henderson <rth@cygnus.com>
9731 * alpha.c (secondary_reload_class): Don't allocate a secondary
9732 for integral mode memories into FLOAT_REGS. Rearrange the more
9733 complicated memory expression inward.
9735 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9737 * inclhack.def: Fixes to play nicer with FreeBSD, and
9738 corrections to comments.
9739 (cxx_unready): Add select expression.
9740 (irix_sockaddr): Add bypass expression.
9741 (machine_ansi_h_va_list): New fix.
9742 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9743 Split out addition of "#include <stdarg.h>" to...
9744 (stdio_stdarg_h): ... here.
9745 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9746 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9747 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9749 (ultrix_ifdef): Tighten up select expression.
9751 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9752 re_ct and max_mach to avoid use of shell. Make printed names
9753 match names in inclhack.def. Use static copyright date.
9754 Don't count c_test and test expressions as requiring regex_t
9755 slots. Add some commentary.
9756 * inclhack.tpl: Do not include the 'This script contains N
9757 fixup scripts' line if PROGRAM is defined. Use static
9760 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9762 * dwarf2out.c: include "varray.h", not dyn-string.h.
9763 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9764 (addr_const_to_string, addr_to_string): Lose.
9765 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9766 (struct dw_val_struct): val_addr is now an rtx.
9767 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9768 (used_rtx_varray): New varray.
9769 (dwarf2out_init): Initialize it.
9771 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9773 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9774 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9775 * Makefile.in (dwarf2out.o): Update dependencies.
9777 2000-01-24 Richard Henderson <rth@cygnus.com>
9779 * i386.c (i386_dwarf_output_addr_const): New.
9780 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9782 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9784 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9785 * i386.c (i386_simplify_dwarf_addr): New.
9786 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9788 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9790 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9791 TYPE_STUB_DECL is NULL.
9793 2000-01-24 Richard Henderson <rth@cygnus.com>
9795 * builtins.c (expand_tree_builtin): Move ...
9796 * c-common.c (expand_tree_builtin): ... here.
9798 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9800 * loop.h (LOOP_INFO): New accessor macro.
9801 * basic-block.h (struct loop): Rename field `info' to `aux'.
9802 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9803 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9804 * unroll.c (loop_iterations, unroll_loop): Likewise.
9806 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9808 * config/i386/t-cygwin: Accomodate new winsup directory layout
9809 when searching for include files.
9811 2000-01-24 Richard Henderson <rth@cygnus.com>
9813 * rtl.def: Add unordered fp comparisions.
9814 * tree.def: Likewise.
9815 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9817 * builtins.c (expand_tree_builtin): New function.
9818 * c-typeck.c (build_function_call): Use it.
9819 (build_binary_op): Support unordered compares.
9820 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9822 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9823 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9824 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9825 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9826 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9828 (swap_condition): Handle unordered compares.
9829 (thread_jumps): Check can_reverse before reversing.
9830 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9833 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9834 setcc is present before acking for cmp_optab. Update all callers.
9835 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9836 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9837 * expr.c (expand_expr): Likewise. Support unordered compares.
9838 (do_jump, do_store_flag): Likewise.
9839 * expr.h (enum libfunc_index): Add unordered compares.
9841 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9842 (DPBIT_FUNCS): Add _unord_df.
9843 * config/fp-bit.c (_unord_f2): New.
9844 * fp-test.c (main): Try unordered compare builtins.
9846 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9847 * alpha.c (alpha_comparison_operator): Check mode properly.
9848 (alpha_swapped_comparison_operator): Likewise.
9849 (signed_comparison_operator): Likewise.
9850 (alpha_fp_comparison_operator): New.
9851 (alpha_emit_conditional_branch): Handle unordered compares.
9852 * alpha.h (PREDICATE_CODES): Update.
9853 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9854 (bunordered, bordered): New.
9856 2000-01-24 Richard Henderson <rth@cygnus.com>
9858 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9859 * alpha.md (movtf): New expander, insn, and splitter.
9861 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9863 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9866 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9868 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9869 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9870 REG_ALLOC_ORDER): Add frame pointer
9871 (FRAME_POINTER_REGNUM): Set to 20
9872 (HARD_FRAME_POINTER_REGNUM): New macro.
9873 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9874 to HARD_FRAME_POINTER.
9875 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9876 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9877 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9878 (HI_REGISTER_NAMES): Add "frame".
9879 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9880 (debug_reg): Handle FRAME_POINTER_REGNUM.
9881 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9882 GENERAL_REGS and INDEX_REGS.
9883 * i386.c (SAVED_REGS_FIRST): new macro.
9884 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9885 (ix86_decompose_address, memory_address_length): Likewise.
9886 (regclass_map): Add frame pointer.
9887 (call_insn_operand): Handle frame_pointer_rtx.
9888 (reg_no_sp_operand): Likewise.
9889 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9890 (print_operand, legitimize_pic_address): Fix formating.
9891 (ix86_compute_frame_size): Make static, update prototype, new
9892 parameters padding1, padding2, use ix86_nsaved_regs, use
9893 stack_alignment_needed.
9894 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9895 to HARD_FRAME_POINTER_REGNUM conversions.
9896 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9897 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9898 (print_reg): Abort on FRAME_POINTER_REGNUM
9900 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9902 * i386.h (PREDICATE_CODES): Add aligned_operand.
9903 * i386.c (aligned_operand): New function.
9904 (ix86_aligned_p): Kill.
9905 * i386.md (movhi_1): Emit mov for aligned operands.
9906 (promoting peep2s): Use aligned_operand.
9908 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9910 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9911 expression to allow underscores in macro names.
9912 (fix_char_macro_defines): Increment scanning pointer.
9914 2000-01-23 Richard Henderson <rth@cygnus.com>
9916 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9917 * alpha/osf5.h: New file.
9918 * configure.in (alpha-*-osf5): Add it to tm_file.
9920 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9922 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9923 (alpha_emit_xfloating_cvt, function_arg): Declare.
9924 * alpha.c (alpha_emit_conditional_branch): Call
9925 alpha_emit_xfloating_compare for TFmode compares.
9926 (alpha_lookup_xfloating_lib_func): New.
9927 (alpha_compute_xfloating_mode_arg): New.
9928 (alpha_emit_xfloating_libcall): New.
9929 (alpha_emit_xfloating_arith): New.
9930 (alpha_emit_xfloating_compare): New.
9931 (alpha_emit_xfloating_cvt): New.
9932 (print_operand): Add default abort case.
9933 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9934 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9935 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9936 (RETURN_IN_MEMORY): True for TF/TCmode.
9937 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9938 (FUNCTION_ARG): Move to function_arg.
9939 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9940 (ASM_OUTPUT_LONG_DOUBLE): New.
9941 (ASM_OUTPUT_DOUBLE): Always output bits.
9942 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9943 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9944 (extenddftf2, trunctfdf2): New.
9946 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9948 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9949 * config/sparc/sol2.h: ... here.
9951 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9953 * basic-block.h (struct loops): New field `levels'.
9954 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9955 (flow_loop_level_compute): Initialise level to 1.
9956 (flow_loops_find): Set loops->levels.
9957 (flow_loops_dump): Print loops->levels.
9959 2000-01-23 Richard Henderson <rth@cygnus.com>
9961 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9962 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9964 2000-01-23 Richard Henderson <rth@cygnus.com>
9966 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9967 * i386.h (DBX_REGISTER_NUMBER): Use them.
9968 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9969 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9970 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9971 * i386/sequent.h: Kill incorrect comment.
9973 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9975 * ggc-page.c (struct page_entry): Make `context_depth' an
9977 (struct globals): Likewise.
9979 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9981 * loop.c (check_dbra_loop): When checking a loop for
9982 reversability, check the source of any stores to ensure
9983 they don't depend on an initial value.
9985 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9987 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9989 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9991 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9992 'pz_scan' into scope of entire function. Only affects
9993 compiles with -DDEBUG.
9995 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9997 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9998 section naming to that prior to 2000-01-07 patch.
9999 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10000 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10001 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10002 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10003 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10005 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10007 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10010 2000-01-21 Jim Wilson <wilson@cygnus.com>
10012 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10013 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10015 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10017 * cpphash.c (change_newlines): Delete function.
10018 (struct argdata): Delete 'newlines' and 'use_count' fields.
10019 (macroexpand): Remove code referencing those fields.
10021 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10023 * loop.c (loops_info): New variable.
10024 (loop_optimize): Allocate loops->array and free it on exit.
10025 Allocate memory for loops_info and assign to each loop,
10027 (find_and_verify_loops): Do not allocate loops->array.
10029 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10031 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10033 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10035 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10036 pseudos if expanded after first flow.
10037 (movdi_pic_label_ref): Likewise.
10039 2000-01-20 Richard Henderson <rth@cygnus.com>
10041 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10043 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10045 * Makefile.in (fixinc.sh): Depend on specs.
10046 * fixinc/Makefile.in: Add rule to create machname.h.
10047 (fixlib.o): Depend on machname.h.
10048 * fixinc/fixtests.c (machine_name): New test.
10049 * fixinc/fixfixes.c (machine_name): New fix.
10050 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10051 the machine_name test and fix.
10052 * fixinc/fixlib.h: Prototype it.
10053 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10054 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10056 * gcc.c (do_spec_1) [case P]: Take care not to create
10057 identifiers with three leading or trailing underscores.
10059 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10060 (fixincl): Don't specify libraries twice on link line.
10061 (gnu-regex.o): Remove special rule.
10062 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10063 defined by config.h. Do not define _REGEX_RE_COMP.
10064 (regcomp): Allocate and initialize a fastmap.
10065 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10067 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10069 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10071 2000-01-19 Richard Henderson <rth@cygnus.com>
10073 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10074 arguments with BB. Update all callers. Tidy line wrapping.
10076 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10078 * emit-rtl.c (try_split): Return last_insn if we split the
10081 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10083 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10084 (ix86_initial_elimination_offset): Declare.
10085 * i386.c (ix86_nsaved_regs): Break out from ...
10086 (ix86_can_use_return_insn_p): ... here.
10087 (ix86_emit_save_regs): Break out from ...
10088 (ix86_expand_prologue): ... here.
10089 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10091 (ix86_expand_epilogue): ... here.
10092 (ix86_compute_frame_size): Make static, add prototype.
10093 (ix86_initial_elimination_offset): Break out from ...
10094 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10096 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10098 * recog.h (OUT_FCN): Delete.
10100 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10102 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10104 * cppalloc.c: PROTO -> PARAMS.
10105 * cpperror.c: Likewise.
10106 * cppfiles.c: Likewise.
10107 * cpplib.c: Likewise.
10108 * cpplib.h: Likewise.
10110 * config/arm/arm-protos.h: PROTO -> PARAMS.
10111 * config/arm/arm.c: Likewise.
10112 * config/c4x/c4x.c: Likewise.
10113 * config/fr30/fr30-protos.h: Likewise.
10114 * config/nextstep.c: Likewise.
10115 * config/pa/pa.c: Likewise.
10116 * config/pj/pj.c: Likewise.
10117 * config/rs6000/rs6000.c: Likewise.
10118 * config/v850/v850-protos.h: Likewise.
10119 * config/v850/v850.c: Likewise.
10121 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10123 * i370-protos.h: New file.
10125 * i370.c: Include tm_p.h. Fix compile time warnings.
10127 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10130 * i370.md: Likewise.
10132 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10134 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10135 (target_isinf, target_isnan, eisnan): Mark parameter with
10137 (eiisinf): Wrap in INFINITY.
10138 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10139 (ibmtoe): Remove unused variable `rndsav'.
10141 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10143 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10144 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10146 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10148 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10149 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10150 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10152 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10153 Recognize Emacs mode markers also.
10154 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10155 C++ comments in C++ headers. Call is_cxx_header only if
10158 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10159 bypass for ncurses.
10160 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10161 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10162 ... these, which use the new C fixes.
10163 (math_exception): Escape literal '+' in bypass expression.
10165 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10168 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10170 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10173 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10175 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10176 prior to calling scan_loop.
10178 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10180 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10181 (split_branches, calc_live_regs): Likewise.
10183 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10185 * sh.md (fpu_single, fp_mode): New attributes.
10187 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10189 * loop.c (current_loop_info): Renamed from loop_info_data
10190 and changed to a pointer.
10191 (loop_optimize): Allocate loop_info structure for each loop
10192 and initialise to zero.
10193 (scan_loop): Set current_loop_info.
10195 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10198 2000-01-19 Richard Henderson <rth@cygnus.com>
10200 * stupid.c: Die die die.
10201 * Makefile.in (OBJS): Remove stupid.o.
10202 (stupid.o): Likewise.
10204 * except.c (emit_eh_context): Don't emit USEs for stupid.
10205 * explow.c (probe_stack_range): Likewise.
10206 * flags.h (obey_regdecls): Remove.
10207 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10208 when not optimizing.
10209 (life_analysis): Limit data collection when not optimizing.
10210 (mark_regs_live_at_end): Always mark the return value registers.
10211 (mark_used_regs): Remove dummy RETURN case.
10212 (print_rtl_with_bb): Don't consult obey_regdecls.
10213 * function.c (use_variable, use_variable_after): Remove.
10214 (assign_parms): Consult optimize not obey_regdecls.
10215 (expand_function_start): Don't emit USEs for stupid.
10216 (expand_function_end): Likewise.
10217 * global.c (build_insn_chain): Export.
10218 * integrate.c (expand_inline_function): Kill return-value USE
10220 * jump.c (jump_optimize_1): Do simple jump optimizations and
10221 dead code elimination.
10222 (calculate_can_reach_end): Remove check_deleted argument.
10223 (delete_insn): Patch out insns even when not optimizing.
10224 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10225 * rtl.h (use_variable, use_variable_after): Remove declarations.
10226 (build_insn_chain): Declare.
10227 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10228 (expand_end_bindings): Likewise.
10229 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10230 * toplev.c (obey_regdecls): Remove.
10231 (rest_of_compilation): Don't set it. Kill stupid in favour of
10232 flow1, local-alloc, and reload.
10233 (main): Don't set obey_regdecls.
10235 * config/nextstep.c (handle_pragma): Likewise.
10237 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10239 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10241 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10243 * alpha-protos.h: PROTO -> PARAMS.
10244 * alpha.c: Likewise.
10246 * h8300.c: Likewise.
10247 * i386-protos.h: Likewise.
10248 * i386.c: Likewise.
10249 * m32r-protos.h: Likewise.
10250 * m32r.c: Likewise.
10251 * mips.c: Likewise.
10252 * mips.md: Likewise.
10253 * gmon-sol2.c: Likewise.
10254 * sparc.c: Likewise.
10256 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10258 * ns32k-protos.h: New file.
10260 * ns32k.c: Fix compile time warnings.
10262 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10265 * ns32k.md: Likewise.
10267 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10269 * vax-protos.h: New file.
10271 * vax.c: Fix compile time warnings.
10273 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10276 * vax.md: Likewise.
10278 * vaxv.md: Likewise.
10280 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10282 * romp-protos.h: New file.
10284 * romp.c: Fix compile time warnings.
10286 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10289 * romp.md: Likewise.
10291 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10293 * we32k-protos.h: New file.
10295 * we32k.c: Fix compile time warnings.
10297 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10300 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10302 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10304 * except.c (eh_regs): Likewise.
10306 * final.c (output_operand): Likewise.
10308 * fold-const.c (target_isinf, target_isnan): Likewise.
10310 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10312 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10313 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10315 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10316 when optimize_size.
10317 (clrstrsi): Rewrite.
10318 (strsethi, strsetqi): New expanders.
10319 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10320 (cmpstrsi): Emit compare insn before cmpstrsi_1
10321 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10322 (strlensi_1): Likewise.
10323 (cmpstrsi_1): Likewise; do not output compare.
10324 (strlen expander): Do not unroll when optimizing for size.
10325 (*subsi3_carry): Rename to subsi3_carry
10326 (addqi3_cc): New pattern.
10327 * i386.h (processor_costs): Add move_ratio field.
10328 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10329 * i386.c (*_cost): Set move_ratio.
10330 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10331 (x86_expand_strlensi_1): Rewrite the main loop.
10333 2000-01-17 Richard Henderson <rth@cygnus.com>
10335 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10336 * cse.c (find_comparison_args, fold_rtx): Likewise.
10337 * integrate.c (subst_constants): Likewise.
10338 * loop.c (get_condition): Likewise.
10340 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10342 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10344 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10346 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10347 (RESTORE_WARN_FLAGS): Unpack it.
10348 Change semantic type of extension to ttype.
10349 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10350 * c-parse.y, c-parse.c, objc/objc-parse.y,
10351 objc/objc-parse.c: Regenerate.
10353 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10355 * fixinc/fixlib.c: Add copyright notice.
10356 (compile_re): New function.
10357 * fixinc/fixlib.h: Prototype compile_re.
10359 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10360 Use compile_re to compile regular expressions.
10362 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10363 where the pattern matched.
10365 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10367 (ultrix_ansi_compat): Likewise.
10368 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10370 (interactv_add2, interactv_add3): Delete.
10371 (x11_sprintf): Don't use filename glob.
10372 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10375 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * print-rtl.c: PROTO -> PARAMS.
10378 * real.c: Likewise.
10379 * reg-stack.c: Likewise.
10380 * resource.c: Likewise.
10381 * sdbout.h: Likewise.
10382 * simplify-rtx.c: Likewise.
10383 * stor-layout.c: Likewise.
10384 * stupid.c: Likewise.
10385 * xcoffout.c: Likewise.
10386 * xcoffout.h: Likewise.
10388 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10390 * toplev.c: PROTO -> PARAMS.
10391 * toplev.h: Likewise.
10392 * tree.c: Likewise.
10393 * tree.h: Likewise.
10394 * unroll.c: Likewise.
10395 * varasm.c: Likewise.
10396 * varray.c: Likewise.
10397 * varray.h: Likewise.
10399 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10401 * reload.c: PROTO -> PARAMS.
10402 * reload.h: Likewise.
10403 * reload1.c: Likewise.
10404 * reorg.c: Likewise.
10405 * resource.h: Likewise.
10408 * rtlanal.c: Likewise.
10409 * sbitmap.h: Likewise.
10410 * sdbout.c: Likewise.
10411 * stack.h: Likewise.
10412 * stmt.c: Likewise.
10413 * system.h: Likewise.
10415 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10417 * machmode.h: PROTO -> PARAMS.
10418 * mbchar.h: Likewise.
10419 * mips-tdump.c: Likewise.
10420 * mips-tfile.c: Likewise.
10421 * optabs.c: Likewise.
10422 * output.h: Likewise.
10423 * prefix.c: Likewise.
10424 * profile.c: Likewise.
10425 * protoize.c: Likewise.
10426 * real.h: Likewise.
10427 * recog.c: Likewise.
10428 * recog.h: Likewise.
10429 * regclass.c: Likewise.
10430 * regmove.c: Likewise.
10431 * regs.h: Likewise.
10433 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10435 * ggc-common.c: PROTO -> PARAMS.
10436 * ggc-page.c: Likewise.
10437 * ggc-simple.c: Likewise.
10439 * global.c: Likewise.
10440 * graph.c: Likewise.
10441 * gthr-win32.h: Likewise.
10442 * haifa-sched.c: Likewise.
10443 * halfpic.h: Likewise.
10444 * integrate.c: Likewise.
10445 * integrate.h: Likewise.
10446 * jump.c: Likewise.
10448 * local-alloc.c: Likewise.
10449 * loop.c: Likewise.
10450 * loop.h: Likewise.
10452 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10454 * genattr.c: PROTO -> PARAMS.
10455 * genattrtab.c: Likewise.
10456 * gencheck.c: Likewise.
10457 * gencodes.c: Likewise.
10458 * genconfig.c: Likewise.
10459 * genemit.c: Likewise.
10460 * genextract.c: Likewise.
10461 * genflags.c: Likewise.
10462 * gengenrtl.c: Likewise.
10463 * genopinit.c: Likewise.
10464 * genoutput.c: Likewise.
10465 * genpeep.c: Likewise.
10466 * genrecog.c: Likewise.
10468 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10470 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10472 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10474 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10475 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10476 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10477 * configure, config.in: Rebuilt.
10479 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10481 * config/i386/i386.md: Add peephole to merge successive stack
10484 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10486 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10487 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10488 when walking backwards to find all the parameter loads when
10489 the basic block ends in a call.
10491 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10493 * loop.c (this_loop_info): Delete.
10494 (uid_loop): Add in place of uid_loop_num. All uses updated.
10495 (loop_number_exit_count): Delete and replace with entry in loop
10496 structure. All uses updated.
10497 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10498 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10499 (loop_outer_loop): Likewise.
10500 (loop_invalid, loop_number_exit_labels): Likewise.
10501 (loop_used_count_register): Delete and replace with entry in
10502 loop_info structure.
10503 (find_and_verify_loops): Add loops argument.
10504 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10505 loop_end, etc. arguments with loop structure pointer. All callers
10507 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10508 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10509 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10510 (insert_bct): Likewise.
10511 (basic_induction_var): New argument level.
10512 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10513 vtop, and cont. Add used_count_register.
10514 (uid_loop): Delete declaration.
10515 (loop_number_exit_count): Likewise.
10516 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10517 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10518 (loop_outer_loop, loop_used_count_register): Likewise.
10519 (loop_invalid, loop_number_exit_labels): Likewise.
10520 (unroll_loop): Replace loop_start and loop_end arguments
10521 with loop structure pointer.
10522 (loop_precondition_p, loop_iterations): Likewise.
10523 Include basic-block.h.
10524 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10525 with loop structure pointer.
10526 (loop_precondition_p, loop_iterations): Likewise.
10527 * basic-block.h (struct loop): New entries vtop, cont,
10528 cont_dominator, start, end, top, scan_start, exit_labels,
10530 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10532 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10534 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10536 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10538 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10540 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10542 * pdp11-protos.h: New file.
10544 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10547 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10550 * pdp11.md: Likewise.
10552 * 2bsd.h: Likewise.
10554 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10556 * mn10300-protos.h: New file.
10558 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10561 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10564 * mn10300.md: Likewise.
10566 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10568 * mn10200-protos.h: New file.
10570 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10573 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10576 * mn10200.md: Likewise.
10578 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 * h8300-protos.h: New file.
10582 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10585 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10588 * h8300.md: Likewise.
10590 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10592 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10593 (asm_emit_uninitialised): Likewise.
10595 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10597 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10598 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10600 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10602 * config/mips/mips.c (override_options): Don't turn on extra
10603 alignment for mips16.
10605 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10607 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10608 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10611 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10613 * builtins.c (PAD_VARARGS_DOWN): Define.
10614 (std_expand_builtin_va_arg): Use the above macro.
10615 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10616 * tm.texi (Register Arguments): Document the above macro.
10618 2000-01-14 Nick Clifton <nickc@cygnus.com>
10620 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10621 that this function has not been used to emit a jump
10624 * jump.c (return_jump_1): Cope with being passed a null rtx.
10626 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10628 * eh-common.h: PROTO -> PARAMS.
10629 * emit-rtl.c: Likewise.
10630 * errors.c: Likewise.
10631 * errors.h: Likewise.
10632 * except.c: Likewise.
10633 * except.h: Likewise.
10634 * explow.c: Likewise.
10635 * expmed.c: Likewise.
10636 * expr.c: Likewise.
10637 * expr.h: Likewise.
10638 * final.c: Likewise.
10639 * fix-header.c: Likewise.
10640 * flow.c: Likewise.
10641 * fold-const.c: Likewise.
10642 * function.c: Likewise.
10643 * function.h: Likewise.
10645 * gcov-io.h: Likewise.
10646 * gcov.c: Likewise.
10647 * gcse.c: Likewise.
10649 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10651 * sh-protos.h: New file.
10653 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10654 Add static prototypes. Fix compile time warnings.
10656 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10660 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10662 * arc-protos.h: New file.
10664 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10667 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10670 * arc.md: Likewise.
10672 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10674 * dsp16xx-protos.h: New file.
10676 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10679 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10682 * dsp16xx.md: Likewise.
10684 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10686 * convex-protos.h: New file.
10688 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10691 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10694 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10696 * elxsi-protos.h: New file.
10698 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10701 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10704 * elxsi.md: Likewise.
10706 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10708 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10709 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10710 match the comment for MIPS16.
10712 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10714 * flow.c (split_edge): Do not call set_block_for_insn if we
10715 do not have a basic_block_for_insn structure.
10717 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10718 and destination functions are 32bit aligned within the trampoline.
10719 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10720 (TRAMPOLINE_ALIGNMENT): Define.
10722 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10723 (set (pc) (label_ref)), verify the change creates a valid insn.
10725 * fr30.c (call_operand): Tighten and rework to match rules for
10726 call RTL expressions.
10727 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10728 * fr30.md (call patterns): Improve constraints.
10730 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10732 * fr30.c (fr30_expand_epilogue): Revert last change.
10733 Use emit_jump_insn for the return insn.
10735 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10736 Stan Cox <scox@cygnus.com>
10738 * predict.c: New file. Preliminary infrastructure work for static
10739 branch prediction and basic block reordering.
10740 * basic-block.h: Add prototype for estimate_probability.
10741 * Makefile.in: Add rules for predict.o.
10743 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10745 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10746 * fixinc/*: Likewise.
10748 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10750 * cccp.c: PROTO -> PARAMS.
10751 * cexp.y: Likewise.
10752 * collect2.c: Likewise.
10753 * combine.c: Likewise.
10754 * convert.h: Likewise.
10756 * dbxout.c: Likewise.
10757 * dbxout.h: Likewise.
10758 * diagnostic.c: Likewise.
10759 * doprint.c: Likewise.
10760 * dwarf2out.c: Likewise.
10761 * dwarf2out.h: Likewise.
10762 * dwarfout.c: Likewise.
10763 * dwarfout.h: Likewise.
10764 * dyn-string.h: Likewise.
10766 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10768 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10769 macro conditionals guarding use.
10771 * dwarf2out.c: Include "tm_p.h".
10773 * function.c (locate_and_pad_parm): Mark parameter with
10775 (expand_function_end): Likewise for variable `context'.
10777 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10779 2000-01-13 Nick Clifton <nickc@cygnus.com>
10781 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10782 register to prevent compile time warnings.
10784 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10786 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10787 to avoid -Wtraditional warning.
10789 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10791 * 1750a-protos.h: New file.
10793 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10796 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10799 * 1750a.md: Likewise.
10801 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10803 * a29k-protos.h: New file.
10805 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10808 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10811 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10813 * clipper-protos.h: New file.
10815 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10818 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10821 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10823 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10825 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10827 * configure.in (--enable-new-gxx-abi): New option.
10828 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10829 * Makefile.in (GXX_ABI_FLAG): New variable.
10830 * configure: Regenerate.
10832 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10834 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10835 * tm.texi (FORCE_STRUCT_BLK): Document.
10836 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10838 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10840 * config/ns32k/ns32k.md: Revert Jan 9 change.
10842 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10843 to a mode-test, if the predicate is address_operand.
10845 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10847 * combine.c (if_then_else_cond): Be careful about what kinds
10848 of RTL expressions are passed to operand_subword.
10850 * flow.c (split_edge): If we have to insert a new jump, make
10851 sure to associate it with a basic block.
10853 * flow.c (commit_one_edge_insertion): A block with one successor
10854 can end in a JUMP_INSN that is not a simplejump.
10856 2000-01-12 Robert Lipe <robertl@sco.com>
10858 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10859 (BUILD_VA_LIST_TYPE): Define.
10860 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10863 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10865 * cccp.c (do_pragma): Add cast to (char *).
10867 2000-01-12 Richard Henderson <rth@cygnus.com>
10868 Fred Fish <fnf@be.com>
10869 Jason Merrill <jason@cygnus.com>
10871 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10872 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10873 * i386/beos-elf.h, i386/beos-pe.h: New files.
10875 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10876 * cross-make (SYSTEM_HEADER_DIR): Define using
10877 CROSS_SYSTEM_HEADER_DIR.
10879 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10880 (process_command): Use it.
10881 (main): Likewise. Kill trailing = from env vars.
10882 (build_search_list): Put it back.
10883 * collect2.c (main): Use LIBRARY_PATH_ENV.
10885 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10886 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10888 * tm.texi (Frame Layout): Document SMALL_STACK.
10889 * c-common.c (c_common_nodes_and_builtins): Check it.
10891 * system.h: Undef alloca after including glibc's <stdlib.h>,
10892 if USE_C_ALLOCA is defined.
10894 * gcc.c (set_input): New fn.
10895 (main): After all input files are compiled, reset the input file
10898 * aclocal.m4 (rindex, index): If already defined, don't attempt
10901 * ginclude/varargs.h: (__va_list__): Define ifndef.
10902 * ginclude/stdarg.h: Likewise.
10904 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10905 instead of unsigned char.
10907 * hash.h (true, false, boolean): Undef before enum.
10909 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10910 proper type of "HOST_WIDE_INT *", rather than their natural type of
10911 "unsigned HOST_WIDE_INT *".
10913 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10915 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10917 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10919 * regclass.c (choose_hard_reg_mode): Likewise.
10921 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10923 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10925 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10927 * c-common.c: PROTO -> PARAMS.
10928 * c-common.h: Likewise.
10929 * c-decl.c: Likewise.
10930 * c-iterate.c: Likewise.
10931 * c-lang.c: Likewise.
10932 * c-lex.c: Likewise.
10933 * c-lex.h: Likewise.
10934 * c-parse.in: Likewise.
10935 * c-pragma.c: Likewise.
10936 * c-pragma.h: Likewise.
10937 * c-tree.h: Likewise.
10938 * c-typeck.c: Likewise.
10939 * objc/objc-act.c: Likewise.
10940 * objc/objc-act.h: Likewise.
10942 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10944 * m88k-protos.h: New file.
10946 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10949 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10951 * m88k.md: Likewise.
10953 * tekXD88.h: Likewise.
10955 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10957 * m68k-protos.h: New file.
10959 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10962 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10964 * mot3300.h: Likewise.
10966 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10968 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10970 (extract_bitlist): Declare bitlen.
10972 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10974 * cccp.c: Accept and ignore -lang-fortran.
10976 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10977 qualifiers don't match at any level of pointerness.
10979 2000-01-12 Robert Lipe <robertl@sco.com>
10981 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10983 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10985 * reload1.c (reload_reg_unavailable): New static variable.
10986 (reload_reg_free_p): Test it.
10987 (reload_reg_free_for_value_p): Test it instead of
10989 (choose_reload_regs_init): Compute it.
10991 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10993 * reorg.c (fill_slots_from_thread): Check modified_in_p
10996 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10998 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10999 these nodes even if INTERNALS is not set.
11001 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11003 * gcse.c (delete_null_pointer_checks_1): Cope when
11004 get_condition cannot determine the condition.
11006 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11008 * toplev.h (set_message_length): Declare.
11010 * diagnostic.c (obstack_chunk_alloc): Define macro.
11011 (obstack_chunk_free): Likewise.
11012 (struct output_buffer): New data structure.
11013 (vmessage): Remove.
11014 (output_maximum_width): New variable.
11015 (doing_line_wrapping, set_message_length, init_output_buffer,
11016 get_output_prefix, output_space_left, emit_output_prefix,
11017 output_newline, output_append, output_puts, dump_output,
11018 vbuild_message_string, build_message_string, build_location_prefix,
11019 voutput_notice, output_printf, line_wrapper_printf,
11020 vline_wrapper_message_with_location): New functions. Implement
11021 automatic line wrapping.
11022 (v_message_with_decl): Make it handle automatic line wrapping.
11023 (v_error_with_file_and_line): Likewise.
11024 (v_warning_with_file_and_line): Likewise.
11025 (announce_function): Likewise.
11026 (default_print_error_function): Likewise.
11028 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11030 * cpplib.h (struct cpp_options): Change lang_asm to char.
11032 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11033 done in cpp_handle_option now.
11034 (initialize_builtins): Take out special case code used only by
11036 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11037 if -traditional. Recognize -lang-fortran and set
11038 lang_fortran, also turn off cplusplus_comments.
11039 (print_help): Document -lang-fortran.
11040 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11041 lang_asm. Ignore all directives other than `# 123 "file"' if
11043 (cpp_get_token): If -traditional, don't recognize directives
11044 unless the # is in column 1.
11045 (parse_string): If lang_fortran or lang_asm, silently
11046 terminate strings ('' or "") at end of line.
11047 Remove unnecessary braces.
11049 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11050 Richard Henderson <rth@cygnus.com>
11052 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11054 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11055 strict_low_part when possible.
11057 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11059 * alias.c: PROTO -> PARAMS.
11060 * basic-block.h: Likewise.
11061 * bitmap.c: Likewise.
11062 * bitmap.h: Likewise.
11063 * builtins.c: Likewise.
11064 * c-aux-info.c: Likewise.
11065 * caller-save.c: Likewise.
11066 * calls.c: Likewise.
11068 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11070 * Makefile.in (toplev.o): Depend on regs.h.
11072 * output.h (tdesc_section): Prototype.
11074 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11076 * sdbout.c: Include "tm_p.h".
11078 * toplev.c: Include "regs.h".
11080 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11082 * unroll.c (unroll_loop): Add EH support.
11084 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11086 * pa-protos.h: New file.
11088 * pa.c: Include recog.h and tm_p.h.
11089 (compute_zdepwi_operands, compute_movstrsi_length,
11090 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11091 find_addr_reg, import_milli): Add static prototypes.
11092 (pa_cpu_string, pa_arch_string): Constify a char*.
11093 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11094 (read_only_operand): Add argument `mode'.
11095 (singlemove_string, output_move_double, output_fp_move_double,
11096 output_block_move, output_and, output_ior, output_ascii,
11097 remove_useless_addtr_insns, milli_names, output_mul_insn,
11098 output_div_insn, output_mod_insn, output_arg_descriptor,
11099 output_cbranch, output_bb, output_bvb, output_dbra, ,
11100 output_millicode_call, output_call, hppa_encode_label,
11101 output_parallel_movb, output_parallel_addb): Constify a char*.
11102 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11103 (output_parallel_addb): Remove extra arg to `constrain_operands'
11105 * pa.h: Move all prototypes to pa-protos.h.
11106 (pa_cpu_string, pa_arch_string): Constify a char*.
11107 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11109 * pa.md: Call `function_label_operand' with mode argument.
11110 Likewise for `read_only_operand'.
11111 Fix nesting of parens in call to `symbolic_operand'.
11113 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11115 * i860-protos.h: New file.
11117 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11120 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11122 * i860.md: Likewise.
11124 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11126 * i386.md (movstrsi expander): Rewrite.
11127 (movstrsi_1 insn): Deleted.
11128 (strmovhi, strmovqi expander): New expanders.
11129 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11130 * i386.c (x86_single_stringop): New global variable.
11131 * i386.h (x86_single_stringop): Declare.
11132 (TARGET_SINGLE_STRINGOP): New macro.
11134 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11136 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11137 integer vararg POSTINCREMENT before the destination of the jump
11138 for the hard fp case.
11139 (function_arg_pass_by_reference): Pass a copy of CUM to
11142 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11143 for CONSTANT_ADDRESS_P above while loop for subreg.
11145 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11147 * flow.c (propagate_block): When a prologue/epilogue insn
11148 is marked dead, unconditionally clear libcall_is_dead and
11149 insn_is_dead, and only dump rtl if warnings aren't being
11152 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11154 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11155 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11156 (FIXED_REGISTERS): Set dirflag as fixed.
11157 (CALL_USED_REGISTERS): Set dirflag as used.
11158 (REG_ALLOC_ORDER): Set dirflag as last one.
11159 (DIRFLAG_REG): New macro.
11160 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11161 (HI_REGISTER_NAMES): Add dirflag.
11162 (DEBUF_PRINT_REG): Handle dirflag.
11163 * i386.md (type attribute): New cld and str types.
11164 (length_opcode attribute): Set cld and str to 1.
11165 (memory attribute): Set str to unknown - it is not clear from the
11167 (pent_np function unit): Prefixed string operations takes 12 cycles
11168 minimally; cld takes 2 cycles.
11169 (ppro_uops attribute): Str is "many" and cld is "few".
11170 (ppro_p0 unit): Handle cld here.
11171 (k6_alux unit): Handle cld and str types.
11172 (k6_load unit): It is ocupied by str opcodes.
11173 (k6_store unit): It is ocupied by str opcodes.
11174 (athlon_decode): Str is vector decoded.
11175 (athlon_ieu): Handle str and cld.
11176 (cld pattern): New.
11177 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11178 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11179 cmpstrsi_nz_1 insn): Do not output cld instruction
11181 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11183 * gcc.texi (G++ and GCC): Add Java and Chill.
11184 (Bug Critera): Don't list languages.
11186 * gcc.texi (Incompatibilities): No longer claim most C compilers
11189 * gcc.texi (G++ and GCC): Update other front-ends list.
11191 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11193 * i386.c (ix86_expand_setcc): Fix typo.
11194 (ix86_expand_movcc): Similarly.
11196 * Band-aid until haifa's bitset implementation is nuked.
11197 * haifa-sched.c (extract_bitlst): New parameter for size of the
11198 bitset in bits. All callers changed. Avoid looking at undefined
11199 bits in the bitset.
11200 (edgeset_bitsize): New variable.
11201 (schedule_region): Initialize edgeset_bitsize.
11203 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11205 * Makefile.in (optabs.o): Depend on real.h
11206 (resource.o): Depend on insn-attr.h
11208 * builtins.c (result_vector): Wrap prototype in macro conditions
11209 governing definition and use.
11211 * c-common.c: Include tm_p.h.
11213 * c-lex.c: Likewise.
11215 * elfos.h: Constify a char*.
11217 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11218 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11219 parameter with ATTRIBUTE_UNUSED.
11221 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11224 * haifa-sched.c (schedule_insns): Mark parameter with
11227 * optabs.c: Include real.h.
11229 * real.h (ereal_atof): Add prototype arguments.
11231 * resource.c: Include insn-attr.h.
11233 * sdbout.c (sdbout_queue_anonymous_type,
11234 sdbout_dequeue_anonymous_types): Wrap in macro
11235 SDB_ALLOW_FORWARD_REFERENCES.
11236 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11239 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11241 * stupid.c: Include tm_p.h.
11243 * tree.c (real_value_from_int_cst): Mark parameter with
11246 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11248 * i960-protos.h: New file.
11250 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11253 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11255 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11257 * combine.c (expand_field_assignment): Do not discard SUBREGs
11258 while computing nonzero_bits.
11260 2000-01-09 Nick Clifton <nickc@cygnus.com>
11262 * config/arm/arm.c: Fix compile time warnings about signed vs
11263 unsigned constants.
11264 * config/arm/arm.h: Fix compile time warnings about signed vs
11265 unsigned constants.
11267 2000-01-09 Philip Blundell <philb@gnu.org>
11269 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11270 than `ldm' with only one register.
11271 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11274 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11277 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11279 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11282 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11284 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11285 assignment used as truth value.
11287 * function.c (assign_temp): Mark parameter `dont_promote' with
11288 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11289 PROMOTE_FOR_CALL_ONLY.
11291 * genrecog.c (write_subroutine): Mark variable `operands' with
11294 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11297 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11298 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11300 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11303 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11305 * config/c4x.h: Tidy up comments.
11306 * config/c4x.c: Likewise.
11308 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11310 * fold-const.c (lshift_double, rshift_double): Handle
11311 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11313 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11315 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11316 in prepare_function_start().
11318 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11320 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11321 longer allocate extra stack for function calls.
11323 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11325 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11327 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11329 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11331 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11333 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11334 * aix43.h: Revert Aug 2 change.
11335 (HAS_INIT_SECTION): Define, not visible yet.
11336 (LD_INIT_SWITCH): Define, not visible yet.
11337 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11339 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11341 * collect2.c (main): Expand ld2 size further.
11342 (export_object_lst): Cast assignment to avoid warning.
11343 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11344 (scan_prog_file, COFF): Do not collect initialization or
11345 finalization functions generated for entire shared object if
11346 init/fini support present.
11348 2000-01-07 Nick Clifton <nickc@cygnus.com>
11350 * config/elfos.h: Tidy up formatting of marcos. Make sure
11351 that .section directives are always prefixed by a tab.
11353 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11356 2000-01-07 Matt Austern <austern@sgi.com>
11358 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11361 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11363 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11365 (crtbegin.o, s-crtS): Likewise.
11367 2000-01-06 Richard Henderson <rth@cygnus.com>
11369 * alpha.md (adddi_2+1): Limit offset such that it will be
11370 loadable with a single ldah+lda pair.
11371 (adddi_2+2): Explicitly fail split if we can't make it work.
11373 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11375 * protoize.c: Conditionally include unistd.h.
11376 (IS_SAME_PATH_CHAR): New macro.
11377 (IS_SAME_PATH): New macro.
11378 (CPLUS_FILE_SUFFIX): New macro.
11379 (cplus_suffix): New static variable.
11380 (is_abspath): New static function.
11381 (in_system_include_dir): Handle DOS style pathnames.
11382 (file_could_be_converted): Likewise.
11383 (file_normally_convertible): Likewise.
11384 (directory_specified_p): Likewise.
11385 (file_excluded_p): Likewise.
11386 (abspath): Likewise.
11387 (shortpath): Likewise.
11388 (referenced_file_is_newer): Likewise.
11389 (save_def_or_dec): Likewise.
11390 (do_processing): Likewise.
11392 (edit_file): Likewise. Use rename instead of link.
11393 (rename_c_file): Likewise. Don't rename syscalls file.
11394 (munge_compile_params): Define null device for DOS based systems.
11395 (process_aux_info_file): Use binary mode if appliable.
11396 (edit_file): Likewise.
11397 * invoke.texi (Running Protoize): Document C++ suffixes used.
11399 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11400 IS_DIR_SEPARATOR macros.
11401 * collect2.c: Likewise.
11402 * cppinit.c: Likewise.
11403 * dwarf2out.c: Likewise.
11405 * gcov.c: Likewise.
11406 * prefix.c: Likewise.
11408 * toplev.c: Likewise.
11409 * system.h: And move to here.
11411 * prefix.c (update_path): Fix typo in variable name.
11413 2000-01-06 Richard Henderson <rth@cygnus.com>
11415 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11416 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11417 (count_reg_sets_1, count_reg_references): Likewise.
11418 (flow_loops_level_compute): Start counting actual loop depth at 1.
11419 (flow_loops_find): Likewise.
11420 * local-alloc.c (update_equiv_regs): Likewise.
11421 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11423 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11425 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11426 FIRST_PSEUDO_REGISTER
11427 * dwarf2out.c: Don't include frame.h
11428 * dwarfout.c: Likewise
11429 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11432 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11434 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11437 * i386.c (movsf splitter): Fix typo in my last checkin.
11439 2000-01-05 Nick Clifton <nickc@cygnus.com>
11441 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11442 own definition of this macro.
11443 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11444 flag_data_sections or UNIQUE_SECTION_P are true.
11446 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11447 unitialised data decls.
11449 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11450 being called for uninitialised data.
11452 * config/i386/interix.c (i386_pe_unique_section): Cope with
11453 being called for uninitialised data.
11455 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11456 for uninitialised data.
11458 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11459 for uninitialised data.
11461 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11462 for uninitialised data.
11464 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11465 (UNIQUE_SECTION_P): Always generate a unique section if
11466 flag_data_sections is true.
11467 (UNIQUE_SECTION): Also generate unique sections for
11468 uninitialised data.
11469 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11470 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11473 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11475 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11478 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11480 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11481 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11482 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11483 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11484 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11486 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11488 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11490 * c-decl.c (finish_enum): Simplify code to determine minimum and
11491 maximum values of the enum, and calculate the type. Remove check
11492 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11493 the DECL_INITIAL of each enumeration constant with a copy converted
11494 to the enumeration type. When updating variant types, don't bother
11495 updating the type itself.
11497 * c-typeck.c (build_binary_op): Simplify conditional expressions
11498 when weeding out spurious signed-unsigned warnings. Add new
11499 spurious warning category: if the unsigned quantity is an enum
11500 and its maximum value fits in signed_type(result_type). Update
11502 (build_conditional_expr): Warn here if one alternative is signed
11503 and the other is unsigned.
11505 2000-01-05 Nick Clifton <nickc@cygnus.com>
11507 * config/fr30/fr30.h: Remove extraneous comments.
11509 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11511 * reload1.c (choose_reload_regs): When disabling a reload, also
11512 set reload_spill_index to -1.
11514 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11516 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11518 (m68*-*-rtemself*): New target.
11519 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11520 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11521 (sparc*-*-rtemself*): New target.
11522 (sparc*-*-rtems*): Now elf not a.out.
11523 * config/i386/rtems.h: Include config/rtems.h.
11524 * config/i386/rtemself.h: Include config/rtems.h.
11525 * config/i960/rtems.h: Include config/rtems.h.
11526 * config/m68k/rtems.h: Include config/rtems.h.
11527 * config/m68k/rtemself.h: Include config/rtems.h.
11528 * config/mips/rtems64.h: Include config/rtems.h.
11529 * config/pa/rtems.h: Include config/rtems.h.
11530 * config/rs6000/rtems.h: Include config/rtems.h.
11531 * config/sh/rtems.h: Include config/rtems.h.
11532 * config/sh/rtemself.h: Include config/rtems.h.
11533 * config/sparc/rtems.h: Include config/rtems.h.
11534 * config/sparc/rtemself.h: Include config/rtems.h
11536 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11538 * final.c (shorten_branches): Correctly compute length of
11539 asms without operands.
11541 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11543 * configure.in: Add pj target.
11544 * configure: Regenerate.
11545 * config/pj: New directory.
11546 * config/pj/lib1funcs.S: New file.
11547 * config/pj/linux.h: New file.
11548 * config/pj/pj.c: New file.
11549 * config/pj/pj.md: New file.
11550 * config/pj/pjl.h: New file.
11551 * config/pj/t-pj: New file.
11552 * config/pj/xm-pj.h: New file
11554 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11556 * toplev.c (rest_of_compilation): Run shorten-branches before
11559 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11561 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11562 macros so that they're consistent with their names.
11563 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11564 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11566 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11568 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11569 modified inadvertently.
11571 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11573 * configure.in (v850*-*-rtems*): New target.
11574 * configure: Regenerate.
11575 * config/v850/rtems.h: New file.
11577 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11579 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11580 (__gthread_key_create): Likewise.
11581 (__gthread_key_dtor): Likewise.
11582 (__gthread_once): Fix logic.
11583 (__gthread_key_delete): Cast away constness.
11585 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11586 * invoke.texi: Document.
11587 * i386/mingw32.h (CPP_SPEC): Use.
11588 (LIBGCC_SPEC): Likewise.
11589 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11591 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11593 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11594 (HANDLE_PRAGMA_PACK): Undefine.
11595 (SLOW_UNALIGNED_ACCESS): Define.
11597 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11599 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11600 to default definition.
11601 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11602 (store_fixed_bit_field): Call macro with word_mode and alignment.
11603 (extract_bit_field): Call macro with relevant mode and alignment.
11604 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11605 to default definition.
11606 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11608 (move_by_pieces_ninsns): Likewise.
11609 (clear_by_pieces): Likewise.
11610 (emit_push_insn): Likewise.
11611 (store_field): Call macro with relevant mode and alignment.
11612 (expand_expr): Likewise.
11613 (expand_expr_unaligned): Likewise.
11615 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11616 (SLOW_UNALIGNED_ACCESS): Define.
11617 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11618 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11619 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11620 (toc_section): Likewise and .toc pseudo-op.
11621 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11623 (TEXT_SECTION_ASM_OP): Likewise.
11624 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11627 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11628 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11629 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11630 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11631 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11633 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11635 * regclass.c: Revert my Jan 4 change to loop cost computation.
11637 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11639 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11642 2000-01-04 Stan Cox <scox@cygnus.com>
11644 * haifa-sched.c (build_control_flow): Change unreachable simple
11645 loop test to check if current block has only one predecessor.
11646 (find_rgns): Initialize degree. Use dest as degree index, not src.
11648 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11650 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11652 * calls.c (expand_call): Likewise for
11653 `old_stack_arg_under_construction'.
11655 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11657 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11660 * gcc.c (execute): Likewise for `ut' and `st'.
11662 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11664 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11666 * jump.c (jump_optimize_1): Likewise for `temp2'.
11668 * local-alloc.c (block_alloc): Likewise for `r1'.
11670 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11672 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11673 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11675 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11678 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11679 and `goal_earlyclobber'.
11681 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11683 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11685 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11687 * unroll.c (copy_loop_body): Likewise for `copy'.
11689 * varasm.c (output_constructor): Likewise for `byte'.
11691 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11693 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11694 all FP constants for constant->reg moves.
11695 (ix86_split_to_parts): Try to convert memory address into immediate
11696 when available in the constant pool.
11697 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11699 (LEGITIMATE_CONSTANT_P): Return 1.
11700 * i386.md (pushsf): New splitter to convert constant pool memory
11701 reference to immediate.
11702 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11705 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11707 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11708 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11709 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11710 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11711 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11713 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11715 * ginclude/stdbool.h: Support compilation as C++.
11717 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11719 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11721 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11723 * regclass.c (regclass): Properly compute loop_cost. Adjust
11726 * regclass.c: Fix minor whitespace problems.
11728 2000-01-03 Anthony Green <green@cygnus.com>
11730 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11731 Restore the pic register if required.
11733 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11735 * c-common.c (format_char_info): Update comment.
11736 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11737 was recognized. Emit warning for formats new in ISO C99 only
11738 if flag_isoc9x is not set.
11740 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11742 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11744 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11746 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11747 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11748 (make_compound_operation): Choose cheaper alternative between
11749 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11751 * regclass.c (op_costs): Remove global variable.
11752 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11753 (record_operand_costs): Break out from ...
11754 (scan_one_insn): ... here.
11755 (dump_regclass): Make dumps nicer.
11756 (regclass): Dump preferrences choosed and changes done during passes.
11758 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11760 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11762 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11764 * config/sparc/sparc.c (gen_df_reg): New function.
11765 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11766 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11767 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11768 movtf_cc_reg_sp64+1): Use it.
11770 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11772 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11773 copied LABEL_DECLs.
11775 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11777 * config/i386/i386.c (ix86_expand_unary_operator): Function
11778 definition made void.
11779 (ix86_expand_binary_operator): Update outdated preceding comment.
11780 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11783 * config/i386/i386.c (override_options): Fix option-name typo.
11785 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11787 * system.h (CEIL): Define.
11788 * builtins.c (CEIL): Remove.
11789 * expmed.c (CEIL): Likewise.
11790 * expr.c (CEIL): Likewise.
11791 * stor-layout.c (CEIL): Likewise.
11793 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11795 * expr.c (store_constructor_field): Fix typo introduced with last
11798 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11800 * tree.h (BINFO_N_BASETYPES): New macro.
11802 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11804 * expmed.c (emit_store_flag): Prevent losing a pending stack
11805 adjust the same way we prevent losing queued increments.
11807 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11809 * function.c (update_temp_slot_address): Handle case where sum of
11810 temporary address plus offset in register is a valid address.
11812 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11814 * genrecog.c (change_state) Corrected typo.
11816 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11818 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11819 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11820 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11822 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11824 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11825 case, expand GT comparisons correctly. Fix a comment before this
11828 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11830 * dwarfout.c: Include "frame.h"
11831 * dwarf2out.c: Likewise.
11832 * Makefile.in (dwarfout.o): Depend on frame.h
11833 (dwarf2out.o): Likewise.
11835 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11837 Restore i386 binary compatibility in Dwarf EH info.
11838 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11839 value of FIRST_PSEUDO_REGISTER.
11840 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11841 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11842 * dwarfout.c (output_reg_number): Ditto.
11843 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11844 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11846 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11848 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11849 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11850 (<hack>_RE_CT): not needed
11851 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11852 rewritten to scan the file text once only
11853 "template<..." test added
11854 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11855 (is_cxx_header): declaration added
11856 * fixinc/fixtests.c(is_cxx_header): removed
11857 (apply_fix_p_t): removed
11858 (double_slash_test): is_cxx_header is only called once now
11859 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11860 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11861 within the templates.
11862 The borken spelling of "broken" was fixed.
11863 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11864 The default level depends on FIXINC_DEBUG.
11866 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11868 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11869 Otherwise provide a declaration for atexit.
11870 (init_dummy): Make sure dummy call to atexit is nevertheless
11871 called with correct number of args.
11873 * frame.c: Update comments referring to other files.
11875 * libgcc2.c: Likewise.
11877 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11879 * cse.c (free_element, get_element): Remove unused prototypes.
11881 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11884 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11887 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11889 * configure.in,configure: case arm for mn10200-*-* now sets
11890 float_format=i32 so that float.h will correctly claim "double"
11891 to be 32 bits. Ran autoconf to generate configure from .in file.
11893 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11895 * pa.md (conditional zero): If op1 is a register, force it into
11896 the same register as op0.
11898 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11900 * tree.h (BINFO_BASETYPES): Improve documentation.
11902 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11904 * configure.in (--enable-checking): Use a more portable `for'
11907 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11909 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11910 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11912 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11915 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11916 Delete descriptions.
11918 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11919 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11920 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11921 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11922 xm-svr4.h: Remove all instances of sys_siglist handling.
11924 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11926 * config/sparc/sparc.md (cmp_zero_qi,
11927 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11928 cmp_zero_extendqidi2_andcc_set): New patterns.
11930 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11932 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11933 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11934 (fpgnulib.c, xfgnulib.c): Add rules.
11935 * m68k/t-mot3300-gas: Likewise.
11937 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11939 * configure.in: Avoid [[ by using test and changequote. Add
11940 changequote required by 1999-12-14 change.
11941 * configure: Rebuild.
11943 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11945 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11947 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11949 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11950 * flow.c (find_use_as_address): Likewise.
11951 * function.c (fixup_var_refs_1): Likewise.
11952 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11953 * jump.c (invert_exp, redirect_exp): Likewise.
11954 * loop.c (replace_call_address): Likewise.
11955 (count_nonfixed_reads): Likewise.
11956 * rtlanal.c (modified_between_p): Likewise.
11957 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11958 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11959 * unroll.c (remap_split_bivs): Likewise.
11961 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11963 * diagnostic.c (v_message_with_decl): Use .* format specifier
11964 instead of building the format specifier width manually.
11966 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11967 determining whether to provide a prototype. Remove the
11968 sys_siglist clause in the conditional.
11970 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11972 * fold-const.c (operand_equal_p): Use memcmp to compare string
11974 Suggested by D. J. Bernstein
11976 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11978 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11979 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11981 * config/mips/mips.h (TARGET_64BIT): Likewise.
11982 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11983 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11984 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11985 dsps. Give routines proper names if SI/DI modes are not used.
11986 * longlong.h: Use DWunion instead of DIunion.
11988 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11990 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11991 GC_CHECKING, GC_ALWAYS_COLLECT.
11992 * configure.in: Allow --enable-checking with an argument
11993 listing check modes to enable.
11994 * config.in, configure: Rebuilt.
11995 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11996 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11997 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11998 ENABLE_GC_ALWAYS_COLLECT.
11999 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12001 * tree.h, tree.c: Change ENABLE_CHECKING to
12002 ENABLE_TREE_CHECKING throughout.
12004 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12006 * fold-const.c (fold_truthop): Properly check for FP RHS.
12008 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12010 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12011 * toplev.c (note_deferral_of_defined_inline_function): New
12012 function, split out from ...
12013 (rest_of_compilation): ... here. Use it.
12015 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12017 * expr.c (store_constructor): Don't call clear_storage if size is
12020 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12022 * Makefile.in (toplev.o): Depend on loop.h.
12024 * dwarfout.c: Include tm_p.h.
12026 * emit-rtl.c (restore_emit_status): Mark parameter with
12029 * final.c (final_scan_insn): Likewise.
12031 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12032 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12033 flow_depth_first_order_compute, flow_loop_pre_header_find,
12034 flow_loop_tree_node_add, flow_loops_tree_build,
12035 flow_loop_level_compute, flow_loops_level_compute,
12036 flow_loop_outside_edge_p): Add prototypes.
12037 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12039 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12040 Mark with ATTRIBUTE_NORETURN.
12042 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12044 * local-alloc.c (no_conflict_p): Likewise.
12046 * loop.c (insert_bct): Hide definitions of variables with hidden
12048 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12050 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12051 with ATTRIBUTE_UNUSED.
12052 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12053 (reg_scan): Likewise.
12055 * reload.c (find_reloads): Remove unused variables `changed'.
12057 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12059 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12060 Remove unused variable `insn'.
12062 * toplev.c: Include loop.h.
12063 (report_file_and_line): Remove unnecessary prototype.
12065 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12067 * unroll.c (biv_total_increment): Likewise.
12069 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12071 * reload1.c (emit_input_reload_insns): Restore old behaviour
12072 wrt. 'special' reloads.
12074 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12076 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12077 hash.h. (cse.c): Don't depend on hashtab.h.
12079 * cse.c: Don't include hashtab.h.
12080 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12082 * ggc-simple.c: Don't include hash.h.
12084 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12086 * dwarf2out.c (add_abstract_origin_attribute): Call
12087 gen_abstract_function on our function context.
12089 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12091 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12093 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12095 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12098 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12100 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12101 constraints to "a!r".
12103 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12105 * Makefile.in (calls.o): Depend on function.h.
12106 (alias.o): Likewise.
12108 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12110 * reload1.c (emit_reload_insns): Break out code and variables into...
12111 (input_reload_insns, other_input_address_reload_insns,
12112 other_input_reload_insns, input_address_reload_insns,
12113 inpaddr_address_reload_insns, output_reload_insns,
12114 output_address_reload_insns, outaddr_address_reload_insns,
12115 operand_reload_insns, other_operand_reload_insns,
12116 other_output_reload_insns): ... new static variables, and...
12117 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12118 do_output_reload): ... new functions.
12120 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12122 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12124 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12126 * md.texi: Add c4x constraints documentation.
12128 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12130 * config/i386/dgux.c (struct option): Rename to
12131 lang_independent_option.
12132 (struct m_options): Add description field.
12133 (output_options): Rename option type, add sep declaration, output
12134 ix86_cpu_string and ix86_arch_string only if set.
12135 (output_file_start): Rename option type.
12137 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12139 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12141 (libgcc2.a): Similarly.
12143 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12145 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12146 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12147 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12149 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12151 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12152 Remove redundant initialization of "frexpon" and "expon".
12154 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12156 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12158 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12159 (store_constructor_field, expand_expr): Pass new arg.
12161 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12163 * Makefile.in (explow.o): Depend on function.h.
12165 * stor-layout.c (set_sizetype): Fix typo.
12167 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12169 * function.c (cfun): Renamed from current_function. All users
12171 * function.h (cfun): Rename declaration as well.
12173 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12174 to be of type regset_head, not regset. All users changed by adding
12176 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12178 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12180 * config/c4x/rtems.h: New file.
12182 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12184 * reload1.c (spill_failure): Take class of failed reload as argument
12185 and print it. Caller changed.
12187 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12189 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12190 (TARGET_SWITCHES): Allow subtargets to default switches.
12191 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12193 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12195 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12198 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12200 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12201 * cppinit.c (cpp_handle_option): Likewise.
12203 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12204 determine when to define.
12206 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12208 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12209 cmove with mismatched test and data modes.
12211 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12213 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12216 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12218 * alias.c: Minor reformatting.
12219 * flow.c: Likewise.
12220 * regs.h: Likewise.
12221 * stor-layout.c: Likewise.
12222 * fold-const.c: Likewise.
12223 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12224 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12226 (size_int_wide): Cache nodes even if garbage collecting.
12227 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12228 of SAVE_EXPR has no side effects.
12229 * cse.c: Move a comment.
12230 * tree.c: Minor reformatting.
12231 (int_size_in_bytes): Return -1 if constant overflows.
12233 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12235 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12237 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12239 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12240 after any change to c-parse.in, even if objc-parse.y didn't
12243 1999-12-18 David S. Miller <davem@redhat.com>
12245 * toplev.c (rest_of_compilation): Restore BLOCK tree
12246 reconstruction and branch shortening changes lost in
12247 December 18th change.
12249 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12251 * config/arm/linux-elf.h: Change all instances of
12252 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12253 * config/arm/uclinux-elf.h: Likewise.
12255 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12257 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12258 v_message_with_decl, file_and_line_for_asm,
12259 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12260 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12261 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12262 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12263 pfatal_with_name, fatal_io_error, need_error_newline,
12264 last_error_function, last_error_tick, announce_function,
12265 default_print_error_function, print_error_function,
12266 report_error_function, fnotice, error_with_file_and_line,
12267 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12268 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12269 warning_with_decl, warning_for_asm, warning, pedwarn,
12270 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12272 (compile_file): Use fnotice instead of notice. Adjust call.
12274 * diagnostic.c: New file.
12276 * Makefile.in (OBJS): Include diagnostic.o
12277 (diagnostic.o): Define dependence.
12279 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12281 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12284 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12286 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12288 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12290 * fixtests.c (is_cxx_header): New fn, split out of
12292 (else_endif_label): Allow "#endif // comment" in C++ headers,
12293 as determined by is_cxx_header.
12294 * fixfixes.c (else_endif_label_fix): Update comment.
12295 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12297 * genfixes: Correct double thinko in commandline parsing.
12298 * hackshell.tpl: Generate correct sh syntax for bypass
12301 * inclhack.def (all): Whenever an inserted preprocessor
12302 conditional is split over multiple lines, use double
12303 backslashes in this file so the fixed header will be readable.
12305 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12306 and add bypass entry for correct version of this header.
12307 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12308 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12310 (hpux8_bogus_inlines): New fix, split from...
12311 (ultrix_atof_param) ... here.
12312 (math_expression): Add bypass entry keyed to glibc comment
12313 indicating the problem has been dealt with; disable
12314 unnecessary sed operations; update commentary.
12315 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12316 add select and bypass entries, simplify shell operation.
12317 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12319 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12320 ultrix_atof_param): Add select entry.
12321 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12322 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12323 comments with the fixes they describe.
12325 * c-parse.in (string action): Do not warn about ANSI string
12326 concatenation in system headers. Affects C parser only.
12327 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12329 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12331 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12332 compiling libgcc2 the macro depends always on arch cpp defines.
12334 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12336 * loop.c (insert_loop_mem): Don't record MEMs from inside
12339 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12341 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12343 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12344 notes too, create one when replacement failed, attempt to simplify
12346 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12347 or REG_EQUIV notes.
12349 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12351 * crtstuff.c (__dso_handle): Declare.
12352 (__cxa_finalize): Likewise.
12353 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12356 * invoke.texi: Document -fuse-cxa-atexit.
12358 * tree.h (ptr_type_node): Document.
12359 (const_ptr_type_node): Likewise.
12361 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12363 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12364 (optimize_reg_copy_2): Likewise.
12365 (optimize_reg_copy_3): Likewise.
12366 (fixup_match_2): Likewise.
12367 (regmove_optimize): Likewise.
12368 (fixup_match_1): Liekwise.
12370 * i386.md (HI to SImode promoting splitters): Rewrite.
12371 (pushsf mem peep2): New.
12372 (testhi to andhi peep2): Remove.
12373 * i386.h (x86_promote_QImode): New.
12374 (TARGET_PROMOTE_QImode): New.
12375 (PREDICATE_CODES): Add promotable_binary_operator.
12376 * i386.c (x86_promote_QImode0: New.
12377 (promotable_binary_operator): New.
12378 * i386-protos.h (promotable_binary_operator): New.
12380 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12382 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12384 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12386 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12387 * function.c (insert_block_after_note): Remove.
12388 (retrofit_block): Likewise.
12389 (identify_blocks): Fix indentation.
12390 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12391 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12392 * function.h (insert_block_after_note): Remove prototype.
12393 (retrofit_block): Likewise.
12394 * integrate.c (expand_inline_function): Don't call
12395 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12396 just expand_start_bindings. Use the block_map to remap old
12397 NOTE_BLOCKs to new ones.
12398 (integrate_decl_tree): Keep track of remapped blocks.
12399 * integrate.h (struct inline_remap): Add block_map.
12400 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12401 NOTE_BLOCK on the notes.
12402 (expand_start_bindings): Rename to ...
12403 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12404 (expand_end_bindings): Set NOTE_BLOCK.
12405 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12406 reconstruct the BLOCK tree.
12407 * tree.h (expand_start_bindings): Macroize. Call ...
12408 (expand_start_bindings_and_block): New function.
12410 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12412 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12413 to match the format.
12415 1999-12-16 David S. Miller <davem@redhat.com>
12417 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12418 the outputs is a SUBREG.
12419 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12422 * config/sparc/sparc.c (epilogue_renumber): Add default case
12425 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12427 * toplev.c (rest_of_compilation): Run branch shortening after
12430 * regclass.c (loop_depth): Remove
12431 (scan_one_insn): Do not handle LOOP_NOTE insns.
12432 (regclass): Go through basic blocks and set loop_cost
12434 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12436 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12438 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12440 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12441 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12442 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12444 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12446 * loop.c (insert_loop_mem): Ignore memory clobbers.
12448 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12451 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12453 * profile.c: Remove redundant #include "output.h".
12455 * h8300.md (HImode preinc peephole): Fix typo.
12457 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12459 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12460 (insert_block_after_note): Abort if we don't have a previous block.
12461 Remove FN parameter.
12462 * function.h: Adjust.
12464 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12466 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12467 argument more than once.
12469 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12471 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12473 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12475 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12477 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12479 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12480 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12481 update stack_alignment_needed.
12482 (prepare_function_start): Initialize stack_alignment_needed
12483 * function.h (struct function): Add field stack_alignment_needed.
12485 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12487 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12488 Handle live_throughout / dead_or_set instead of live_before /
12490 (save_call_clobbered_regs): Get register livenessinformation from
12491 chain->live_throughout.
12492 (add_stored_regs): New function.
12493 (insert_restore, insert_save): Add restored / saved registers to
12495 * global.c (reg_dies): New parameter chain.
12496 (reg_becomes_live): Third parameter is regs_set now.
12497 Changed all callers.
12498 (reg_dies): New parameter chain. Changed all callers.
12499 (build_insn_chain): Set live_throughout instead of
12500 live_before / live_after.
12501 * reload.h (struct insn_chain): Replace members live_before /
12502 live_after with live_throughout / dead_or_set.
12503 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12504 instead of live_before / live_after.
12505 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12506 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12507 (choose_reload_regs_init): Likewise.
12508 * stupid.c (current_chain, find_clobbered_regs): Delete.
12509 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12510 instead of chain->live_before / chain->live_after.
12511 (mark_hard_ref): New function.
12512 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12514 1999-12-15 David S. Miller <davem@redhat.com>
12516 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12518 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12520 * flow.c (calculate_loop_depth): Make global, remove prototype,
12521 rewrite to use new loop infrastructure.
12522 (find_basic_block): Remove calculate_loop_depth call.
12523 * toplev.c (rest_of_compilation): Call find_basic_block.
12524 * output.h (calculate_loop_depth): Declare.
12526 * flow.c (dump_flow_info): Dump loop_depth.
12527 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12529 (flow_loops_find): Initialize the loop_depth for each basic block.
12531 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12533 * tree.c (decl_function_context): Handle virtual functions.
12535 * tlink.c (scan_linker_output): Don't look in demangled name when
12536 looking for linker output keywords.
12538 * dwarfout.c (output_type): We can defer namespace-scope classes.
12540 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12542 * regclass.c (record_reg_classes): Update comment for merging
12543 register class preferences in reg->reg copies. Tighten conditions
12544 for merging register class preferences in reg->reg copies.
12546 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12548 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12550 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12552 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12553 (INIT_SECTION_ASM_OP): Delete.
12554 (FINI_SECTION_ASM_OP): Delete.
12555 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12557 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12559 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12560 the abstract origin wasn't emitted.
12562 * dwarf2out.c (class_scope_p): New fn.
12563 (gen_subprogram_die): Use it.
12564 (gen_variable_die): Use it. Tweak logic.
12565 (gen_struct_or_union_type_die): Check context_die to determine
12566 if we're function-local.
12567 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12569 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12571 * loop.c (check_dbra_loop): Can't reverse a biv that has
12572 maybe_multiple set.
12574 1999-12-14 Nick Clifton <nickc@cygnus.com>
12576 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12579 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12581 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12582 for givs made from biv increments.
12584 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12586 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12587 * alpha.c (override_options): Recognize -mcpu=ev67.
12588 * alpha.h (CPP_CPU_EV67_SPEC): New.
12589 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12590 (EXTRA_SPECS): Update.
12592 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12594 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12595 appropriate for -lang-c89 and -std=*.
12596 * cppinit.c (cpp_handle_option): Likewise.
12597 (new_pending_define): New, split out from cpp_handle_option.
12598 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12599 or enable trigraphs for -ansi/-std=*.
12601 * ginclude/stdarg.h (__va_copy): New.
12602 (va_copy): Don't define for C89.
12604 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12606 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12607 for long long multiply-accumulate.
12609 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12611 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12612 optimizing for size.
12614 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12616 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12617 if something changed. Back out that part of yesterday's changes.
12619 * loop.c (loop_max_reg): New static variable.
12620 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12622 (scan_loop): Call reg_scan_update whenever we may have added new
12623 registers, and update loop_max_reg.
12625 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12627 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12628 when source does not die.
12630 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12632 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12634 * config/sparc/linux64.h (TARGET_LIVE_G0,
12635 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12637 * config/sparc/linux.h (TARGET_LIVE_G0,
12638 TARGET_BROKEN_SAVERESTORE): Likewise.
12639 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12640 TARGET_BROKEN_SAVERESTORE): Likewise.
12642 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12643 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12645 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12646 as sparc64 block profiling register.
12647 * config/sparc/sparc.c (sparc_override_options): Allow block
12648 profiling with -m32.
12649 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12650 profiling register.
12651 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12652 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12653 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12655 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12657 * config/sparc/sparc.h: Likewise.
12658 * config/sparc/xm-sysv4-64.h: Likewise.
12659 * config/float-sparc.h: Likewise.
12660 * glimits.h: Likewise.
12661 * longlong.h: Likewise.
12663 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12664 (ASM_IDENTIFY_GCC): Remove.
12666 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12668 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12669 (simplify_logical): Likewise.
12671 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12673 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12674 * cppfiles.c (INO_T_EQ): Likewise.
12676 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12678 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12679 * i386/mingw32.h (LIB_SPEC): Likewise.
12680 (STARTFILE_SPEC): Likewise.
12681 * i386/uwin.h (LIB_SPEC): Likewise.
12682 (STARTFILE_SPEC): Likewise.
12684 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12685 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12687 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12689 * combine.c (combine_simplify_rtx): Fix order of checks for
12690 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12692 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12694 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12695 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12697 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12699 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12701 * regclass.c (inv_reg_alloc_order): New array.
12702 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12704 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12705 counted_for_groups, counted_for_nongroups. Add fields rld and
12707 * reload.c (push_secondary_reload): Don't set nongroup field of
12709 (push_reload): Likewise.
12710 (find_reloads): Delete code to compute nongroup fields.
12711 * reload1.c (reload_insn_firstobj): New static variable.
12712 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12714 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12715 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12716 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12718 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12720 (struct hard_reg_n_uses): Deleted.
12721 (potential_reload_regs): Deleted.
12722 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12723 (reload): Don't try to allocate reload registers if we already know
12724 we have to make another pass. Call select_reload_regs. Free memory
12725 starting with reload_firstobj when starting another pass.
12726 Don't allocate spilled_pseudos.
12727 (calculate_needs_all_insns): Call copy_reloads for an insn that
12728 needs reloads; don't call calculate_needs.
12729 (spill_cost): New static array.
12730 (used_spill_regs_local): New static variable.
12731 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12732 to compute potential_reload_regs.
12733 (find_reload_regs): Completely rewritten to use find_reg.
12734 (allocate_reload_reg): Don't test counted_for_groups or
12735 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12736 all cllers changed.
12737 (choose_reload_regs): Add fallback code that uses the existing
12738 register allocation from find_reload_regs.
12740 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12742 * flow.c (create_edge_list): Cast xmalloc return value.
12744 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12746 * doprnt.c: Remove incorrect comment closure.
12748 * cse.c: Fix a few minor whitespace goofs.
12750 1999-12-13 Don Bowman <don@pixstream.com>
12752 * mips/vxworks.h: Fix problem with comment termination.
12753 (EXTRA_SECTIONS): Add in_sbss.
12754 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12756 1999-12-12 David S. Miller <davem@redhat.com>
12758 * cse.c (struct cse_reg_info): Add hash_next member,
12759 reorder rest of struct for better packing on 64-bit
12761 (cse_reg_info_tree): Kill.
12762 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12763 REGHASH_FN): New custom pow2 hash mechanism.
12765 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12766 use a pow2 hash table.
12767 (get_cse_reg_info): Rework to use new REGHASH.
12768 (new_basic_block): Likewise, use HASH_SIZE, and inline
12770 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12771 and inline free_element call.
12772 (lookup_as_function, insert, flush_hash_table, invalidate,
12773 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12774 invalidate_for_call, use_related_value, find_comparison_args,
12775 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12776 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12777 get_element): Kill.
12779 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12781 * cse.c (cse_basic_block): Free qty_table consistently.
12783 1999-12-12 David S. Miller <davem@redhat.com>
12784 Jakub Jelinek <jakub@redhat.com>
12786 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12787 SUBREGs by hand, gen the appropriate hard reg directly.
12788 (movtf reg/mem split): Likewise and alter_subreg on destination
12790 (movtf mem/reg split): Similarly.
12791 (movdf_cc_sp64): Rename from hidden pattern.
12792 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12793 (movtf_cc_sp64, following split): New pattern and splitter.
12794 (movdf_cc_reg_sp64): Rename from hidden pattern.
12795 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12797 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12799 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12801 * loop.c (load_mems): Don't hoist written floating point mem
12804 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12806 * except.h (struct eh_queue): Add `next' pointer.
12807 (struct eh_status): Make x_ehqueue a pointer.
12808 (push_ehqueue): Declare.
12809 (pop_ehqueue): Likewise.
12810 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12812 (expand_fixup_region_end): Likewise.
12813 (expand_leftover_cleanups): Likewise.
12814 (push_ehqueue): Define.
12815 (pop_ehqueue): Likewise.
12816 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12817 than doing it inline.
12818 (expand_start_all_catch): Adjust now that ehqueue is a
12820 (mark_eh_queue): Mark all level of the queue.
12821 (mark_eh_status): Adjust now that ehqueue is a
12823 (init_eh_for_function): Allocate ehqueue.
12824 (free_eh_status): Free it.
12825 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12826 expansion for a fixup.
12828 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12830 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12832 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12833 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12834 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12835 function_ptr, getpagesize, __enable_execute_stack,
12836 __enable_execute_stack, __clear_insn_cache,
12837 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12838 _cleanup, _exit, __default_terminate, __terminate_func,
12839 __terminate, __empty, __throw, new_eh_context,
12840 eh_context_initialize, eh_context_static, eh_context_specific,
12841 get_eh_context, __get_eh_context, __get_eh_info,
12842 init_reg_size_table, eh_threads_initialize,
12843 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12844 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12845 __pure_virtual): Add prototype arguments.
12846 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12847 Cast a signed value to unsigned long when comparing against one.
12848 (new_eh_context): Wrap in _GTHREADS macro.
12849 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12851 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12852 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12854 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12856 * combine.c (record_promoted_value): Remove unused variable
12859 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12861 * global.c (record_conflicts): Likewise for `j'.
12863 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12866 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12868 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12869 output_fp_compare): Constify a char*.
12871 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12873 (override_options, ix86_comp_type_attributes, print_operand,
12874 output_387_binary_op, output_fix_trunc, output_fp_compare):
12876 (ix86_sched_reorder): Mark parameter `clock_var' with
12879 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12881 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12883 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12884 operand, for use in the Java front-end.
12886 1999-12-10 Ben Collins <bcollins@debian.org>
12888 * configure.in: Fix typo for "-64" in 64bit as check.
12889 * configure: Rebuilt.
12891 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12893 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12896 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12898 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12899 concatenation is utilized.
12901 * invoke.texi (-Wtraditional): Document it.
12903 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12905 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12906 Cast a ptrdiff_t to long and pass it to printf with %ld.
12908 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12910 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12911 68881, we have no 68881 registers at all.
12912 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12913 value in a 68881 register if it is available.
12915 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12917 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12918 for long long multiply-accumulate.
12920 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12922 * loop.c (insert_loop_mem): Undo last change.
12924 1999-12-10 David S. Miller <davem@redhat.com>
12926 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12928 * config/sparc/sparc-protos.h: Add them.
12929 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12930 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12931 constraints which use those helpers.
12932 (EXTRA_CONSTRAINT): Use this new macro.
12933 * md.texi: Update sparc target constraints documentation.
12934 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12935 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12936 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12937 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12938 (movsf high/lo_sum split): Rework for new patterns.
12939 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12941 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12943 * c-common.c (c_common_nodes_and_builtins):
12944 Create __builtin_ptrdiff_t and __builtin_size_t.
12946 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12948 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12950 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12952 * regclass.c (globalize_reg): Re-instate test that allows
12953 fixed registers to be declared as a variable even after functions
12956 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12958 * i386.md (cpu attribute): Add "athlon".
12959 (athlon_decode): New attribute.
12960 (Athlon scheduling units definitions): New.
12961 (fcmp and shld patterns): Set athlon_decode to "vector".
12962 * i386.c (athlon_cost): New.
12964 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12965 x86_use_sahf): Set for Athlon.
12966 (x86_use_fiop): Unset for Athlon.
12967 (override_options): Define Athlon alignments and "athlon" name.
12968 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12969 * i386.h (TARGET_ATHLON): New.
12970 (enum processor_type): Add PROCESSOR_ATHLON.
12971 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12973 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12975 1999-12-09 Andreas Jaeger <aj@suse.de>
12977 * loop.c (record_biv): Declare parameter as int.
12979 * config/i386/i386-protos.h: Declare long_memory_operand.
12981 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12983 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12984 EXPR_WITH_FILE_LOCATION.
12986 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12988 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12991 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12993 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12996 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12998 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12999 default on linux64 again.
13000 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13001 models for multilibing.
13002 * genmultilib: Accept | as alternative separator within a set in
13005 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13007 * calls.c (precompute_arguments): Make sure initial_value contains
13008 value pseudo which CSE expects.
13009 * cse.c (struct set): New entry orig_src.
13010 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13013 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13015 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13017 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13019 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13021 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13023 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13024 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13026 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13029 * longlong.h: Merge in changes from glibc.
13030 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13031 -mno-app-regs libgcc can be compiled.
13032 * libgcc2.c: Add defines so that the updated longlong.h
13033 can be used in libgcc2.a. Also, make sure on most architectures
13034 (at least on all which have optimized code in longlong.h defined
13035 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13037 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13039 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13040 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13041 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13043 * configure: Rebuilt.
13045 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13047 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13048 outputs require a register.
13050 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13052 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13053 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13054 functions like dptoul will be resolved.
13055 (libgcc2.a): Make sure that the object files from DPBIT are named
13056 differently (prefix `_dp') from those that would be coming from
13059 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13061 * configure.in: When target is sparc* and tm_file contains 64,
13062 test for 64bit support in assembler. If not supported, remove
13063 sparc/t-sol2-64 from target-dependent Makefile fragments.
13064 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13065 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13066 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13067 * acconfig.h (AS_SPARC64_FLAG): Added.
13068 * configure, config.in: Rebuilt.
13069 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13070 support. Use AS_SPARC64_FLAG.
13072 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13074 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13075 suitable for holding OFmode values so that gcc works with complex
13077 (hard_64bit_mode_classes): Likewise.
13079 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13080 so that it is actually matched.
13081 (sethi_di_medlow): Likewise.
13083 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13084 as legitimate constant if -mvis.
13085 * config/sparc/sparc.md (movtf): Likewise.
13086 (clear_sf): Use const_double_operand.
13087 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13089 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13090 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13091 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13092 routines, _Qp_* cannot be handled like that now.
13093 (INIT_TARGET_OPTABS): Likewise.
13094 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13095 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13096 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13097 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13098 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13099 divtf3, sqrttf3): New expanders.
13100 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13101 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13102 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13105 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13106 * configure: Rebuilt.
13107 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13108 -mcpu is given and we're doing 64bit compiles.
13110 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13112 * loop.h (struct induction): Add multi_insn_incr.
13113 * loop.c (basic_induction_var): New multi_insn_incr argument.
13114 Set it if we search back through previous insns for the biv.
13115 (record_biv): New multi_insn_incr argument; fill in struct induction.
13116 (strength_reduce): Discard an iv with multiple bivs, any of
13117 which require multiple insns to increment.
13119 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13121 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13124 1999-12-06 David S. Miller <davem@redhat.com>
13126 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13127 PROMOTE_FUNCTION_RETURN.
13129 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13131 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13132 and handle REG_UNUSED note on insn.
13134 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13135 inner_mask instead of mask.
13137 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13139 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13140 zero if there was an error.
13142 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13144 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13147 * longlong.h: Fix clobbers in SPARC asm statements.
13149 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13150 valid sethi operations when TARGET_ARCH64.
13152 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13153 always use move_by_pieces to avoid infinite recursion.
13154 (restore_fixed_argument_area): Likewise.
13156 * combine.c (check_promoted_subreg, record_promoted_value): New
13158 (combine_instructions): Use them to retain nonzero and sign bit
13159 information after SUBREGs are eliminated by optimizations in
13160 this pass if PROMOTE_FUNCTION_RETURN.
13162 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13163 .register declaration. Don't use variables with __ prefixes.
13165 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13167 * fold-const.c (optimize_bit_field_compare): Only use one mode
13168 for both RHS and LHS in non-constant case.
13170 1999-12-06 Nathan Sidwell <nathan@acm.org>
13172 * frame.c (start_fde_sort): Only allocate erratic array, if
13173 linear one was allocated. Return allocated flag.
13174 (fde_insert): Only insert, if there's a valid array.
13175 (fde_end_sort): Split, sort and merge if linear and erratic
13176 arrays exist, else just sort linear one.
13177 (search_fdes): New function. Linear search through original fde
13179 (frame_init): Permit multiple initializations. Cope with
13181 (find_fde): Fallback on linear search, if failed to sort array.
13182 (__deregister_frame_info): Only free sorted array, if we
13185 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13187 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13189 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13191 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13193 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13195 * tree.h (special_function_p): Declare.
13196 * calls.c (special_function_p): Make it global. Don't take `name'
13197 as a parameter. Fix typo in 1999-11-28 change.
13198 (expand_cal): Adjust.
13200 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13202 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13203 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13204 EXPR_WFL_FILENAME_NODE.
13205 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13207 * print-tree.c (print_note): Print TREE_PRIVATE and
13210 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13211 the original die cannot be found.
13213 * varray.h (varray_head_tag): Add elements_used.
13214 (VARRAY_PUSH): New macro.
13215 (VARRAY_POP): Likewise.
13216 (VARRAY_TOP): Likewise.
13217 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13219 * varray.c (varray_init): Initialize elements_used.
13220 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13221 (INTEGRATE_H): New variable.
13222 (integrate.o): Depend on INTEGRATE_H.
13223 (unroll.o): Likewise.
13225 * function.h (insert_block_after_note): Declare.
13226 * function.c (insert_block_after_note): Split out from ...
13227 (retrofit_block): ... here.
13229 * stmt.c (expand_fixup): Fix typo in comment.
13231 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13233 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13234 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13235 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13236 (regmove_optimize, fixup_match_1): Likewise.
13238 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13240 * flow.c (flow_loops_dump): Add missing argument when calling
13241 flow_loop_nested_p.
13243 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13244 Greg McGary <gkm@gnu.org>
13246 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13247 (init_attributes): Add A_NO_LIMIT_STACK.
13248 (decl_attributes): Handle A_NO_LIMIT_STACK.
13249 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13250 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13251 Handle stack bounds checking.
13252 * flags.h (flag_stack_check): Use the word 'probe' rather than
13253 'check', because the flag doesn't actually cause any checking to
13255 * function.c (expand_function_start): Set
13256 current_function_limit_stack.
13257 * function.h (struct function): Add limit_stack.
13258 (current_function_limit_stack): Define.
13259 * invoke.texi (Code Gen Options): Document new options.
13260 * rtl.h: Declare stack_limit_rtx.
13261 * toplev.c (stack_limit_rtx): New variable.
13262 (decode_f_option): Handle new options -fstack-limit-register=REG,
13263 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13264 (main): Add stack_limit_rtx as GC root.
13265 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13266 (struct tree_decl): New member no_limit_stack.
13268 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13270 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13271 (conditional_trap+1): Get new mnemonic correct.
13272 (conditional_trap+2): New pattern for DImode traps.
13274 * config/m68k/m68k.c (output_function_prologue): Handle
13276 * config/m68k/m68k.md (trap): New insn.
13277 (conditional_trap): New insn.
13278 * md.texi (Standard Names): Document `trap' and
13279 `conditional_trap'.
13280 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13281 so a cc0 setter doesn't get emitted at some random place in the
13284 * config/i960/i960.md (trap): New insn.
13285 (conditional_trap): New expander.
13286 (conditional_trap+1, conditional_trap+2): New insns for signed
13287 and unsigned cases.
13288 * config/i960/i960.c (i960_function_prologue): Use
13289 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13291 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13292 Geoffrey Keating <geoffk@cygnus.com>
13294 * flags.h (warn_padded, warn_packed): Add global var decls.
13295 * toplev.c (warn_padded, warn_packed): Add global var defns.
13296 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13297 * stor-layout.c (layout_record): Add local variable `type'
13298 to hold often-used TREE_TYPE (field). Add local variable
13299 `unpacked_align' to hold alignment that would be in force
13300 if no `packed' attribute were present. Warn if `packed' attribute
13301 is unnecessary, or even harmful. Warn when gcc inserts padding
13302 to satisfy alignment requirements of members. Use NULL_TREE
13303 when checking whether var_size is set.
13304 * invoke.texi: Document new flags.
13306 1999-12-03 Nathan Sidwell <nathan@acm.org>
13308 * frame.c (fde_split): Reimplement to avoid variable sized array.
13310 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13312 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13313 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13315 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13317 * invoke.texi: Document the mips option -mno-crt0
13319 1999-12-02 Mike Karr <mkarr@mathworks.com>
13321 * cccp.c (argdata): Added free_ptr member.
13322 (macroexpand): Initialize free_ptr of each argument. When an
13323 argument's buffers are freed, if the argument's free_ptr corresponds
13324 to a buffer on the input stack, then return the free_ptr to that stack
13325 frame, otherwise, free it.
13326 (macarg): If an argument begins and ends on the same input stack level,
13327 then transfer the free_ptr of that buffer to the argument in case
13328 the stack is popped during the processing of a subsequent argument.
13330 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13332 * loop.c (note_reg_stored): New function.
13333 (struct note_reg_stored_arg): New structure.
13334 (try_copy_prop): Change to be more conservative; only replace within
13335 one extended basic block and stop replacing if a store to the
13336 replacement reg is seen.
13338 1999-12-02 Nick Clifton <nickc@cygnus.com>
13340 * config/fp-bit.c: Initialise all fields of the NAN
13343 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13346 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13348 * i386.md (extend?f?f2): Force the input into a register, not
13351 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13353 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13355 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13356 alternative because setting up 64bit constant is usually costly,
13357 especially when reload is in progress or completed.
13358 (movdf_const_intreg_sp64): Likewise.
13359 (movdf_const_intreg split): Fix building up constants when
13360 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13362 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13364 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13365 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13368 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13369 (asm_file_start): Emit .am33 into assembly file when compiling for
13371 (print_operand_address): Handle POST_INC addresses.
13372 (can_use_return_insn, initial_offset): Check AM33 registers too.
13373 (expand_prologue): Check & save AM33 registers too.
13374 (expand_epilogue): Similarly.
13375 (secondary_reload_class): Handle AM33 specific secondary reloads.
13376 (output_tst): Emit efficient code for the AM33 too.
13377 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13378 (TARGET_SWITCHES): Add -mam33 switch.
13379 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13380 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13381 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13382 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13383 (enum reg_class, REG_CLASS_NAMES): Likewise.
13384 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13385 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13386 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13387 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13388 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13389 (HAVE_POST_INCREMENT): Define.
13390 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13391 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13392 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13393 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13394 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13395 (zero_extend to SI from QI/HI): Likewise.
13396 (sign_extend to SI from QI/HI): Likewise.
13397 (mulsidi3, umulsidi3): New patterns for the AM33.
13398 (tstsi with zero extension from QI/HI): Add AM33 variants.
13399 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13400 (return_internal_regs, store_movm): Handle new AM33 registers.
13401 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13402 (LIBGCC, INSTALL_LIBGCC): Likewise.
13403 * invoke.texi: Document new flags.
13405 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13407 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13408 (addsi3_carry): Likewise.
13409 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13410 (sbbsi3_carry): Likewise.
13411 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13412 (mulhi3): Likewise.
13413 (test?i_1): Ensure that only one operand is memory.
13414 (conditional move patterns): likewise.
13415 (shift and rotate patterns): Rewrite to expander, add
13416 "binary_operator_ok" to the condition.
13418 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13419 * i386.h (procesor_costs): Add movzbl_load field.
13420 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13421 non-Q registers, accept DImode registers anywhere.
13423 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13424 * i386.c (*_cost): Set value for movxbl_load field.
13426 * (addsi): New add to lea splitter.
13427 (ashlsi): Likewise.
13428 (lea to add/shift peep2): New.
13430 1999-12-01 Mark Salter <msalter@cygnus.com>
13432 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13433 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13434 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13436 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13438 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13439 * i386.md (movsi_xor): New.
13441 (movsi_1, movhi_1, movqi_1): Remove.
13442 (movsi_2): Rename to movsi_1.
13443 (movhi_2): Rename to movhi_1.
13444 (movqi_2): Rename to movqi_1.
13445 (movdi_1): Remove; remove splitter.
13446 (movdi_2): Rename to movdi_1.
13447 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13448 (long move peep2): Do not create QI or HI mode mov0s
13449 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13451 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13454 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13455 (abs?f2_if): Likewise.
13457 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13459 * ggc.h (ggc_test_and_set_mark): New macro.
13460 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13461 (ggc_mark_tree): Likewise.
13462 (ggc_mark_rtvec): Likewise.
13463 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13465 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13467 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13469 (decl_scope_table): Just an array of trees now.
13470 (push_decl_scope): Simplify.
13471 (dwarf2out_init): Adjust.
13472 (local_scope_p): New fn.
13473 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13474 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13475 (gen_typedef_die): Likewise.
13476 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13477 (gen_inlined_subroutine_die): Likewise.
13478 (gen_abstract_function): Set current_function_decl temporarily.
13479 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13480 Handle block extern declarations. Don't call push/pop_decl_scope.
13481 (gen_decl_die): Fix logic for block externs.
13483 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13485 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13486 to the list of functions which have attribute malloc by default.
13488 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13490 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13491 integer constant does not match the traditional type, limit the
13492 warnings to cases where the base of the type is ten.
13494 * invoke.texi (-Wtraditional): Document it.
13496 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13498 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13499 * rs6000.md: Only access a CONST_INT with INTVAL
13501 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13503 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13504 (compute_nearerout): Likewise.
13505 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13506 size_t to unsigned long for formatting.
13508 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13510 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13511 Allow the user to override call-used/fixed state of %g2-5
13512 registers from the command line (with the exception of %g4 for
13514 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13515 there is a higher chance of having a leaf function.
13516 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13517 for ARCH64 which has %ccr register.
13518 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13520 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13521 insn accept into delay slot any insn which does not use %[ol]
13522 registers. Accept some LO_SUM and shift left by 1 for the normal
13524 (output_function_epilogue): Likewise.
13525 (epilogue_renumber): Added argument which inhibits any renumbering
13526 and just tests if the rtx does not use any %[ol] registers.
13527 (output_return): Reflect above change.
13529 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13531 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13532 aggregate passing for sizes <= 16 bytes.
13534 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13536 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13537 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13538 * reload.c (find_dummy_reload): Likewise.
13539 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13540 * reload1.c (reload_as_needed): Likewise.
13541 * stupid.c (stupid_find_reg): Likewise.
13542 * tm.texi (Obsolete Register Macros): Delete section.
13543 * gmicro.h: Remove all traces of the two macros.
13544 * i386.h: Likewise.
13545 * m88k.h: Likewise.
13546 * mips.h: Likewise.
13548 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13550 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13551 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13552 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13553 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13554 units for the sparclite86x chip.
13555 (flush): Revert October 14th change; add SImode specifically.
13556 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13557 * invoke.texi: Document it.
13559 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13561 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13562 psimode_truncation_operand.
13564 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13565 function. Return true if the operand is either a MEM valid
13566 for a PSImode address or not a MEM at all.
13568 * config/mn10200/mn10200.md (truncsipsi2): Use
13569 psimode_truncation_operand.
13571 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13573 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13574 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13575 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13576 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13577 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13578 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13579 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13580 * basic-block.h: Protect from multiple inclusion.
13581 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13582 (struct loops, struct loop): Define structures.
13583 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13584 * sbitmap.h: Protect from multiple inclusion.
13585 (sbitmap_a_subset_b_p): Add prototype.
13586 * Makefile.in (LOOP_H): New macro.
13587 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13589 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13591 * cppinit.c (CAT): The argument list of this macro may not contain
13594 1999-11-29 David S. Miller <davem@redhat.com>
13596 Move quantity tables and register equivalence chains into
13597 per-qty and per-register structure arrays respectively.
13598 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13599 qty_const_insn, qty_comparison_code, qty_comparison_const,
13600 qty_comparison_qty): Delete, replace with...
13601 (qty_table): this structure table.
13602 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13603 (reg_eqv_table): this structure table.
13604 (make_new_qty): Add argument MODE. Caller updated.
13605 Update to use qty_table and reg_eqv_table.
13606 (make_regs_eqv, delete_reg_equiv, insert_regs,
13607 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13608 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13609 cse_process_notes, cse_main, cse_basic_block): Likewise.
13611 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13613 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13614 operation if C is negative.
13615 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13616 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13617 law for some divisions if constant is negative and change other
13618 divisions to the opposite rounding.
13620 * expr.c (store_constructor_field): If bit position is not multiple
13621 of alignment of TARGET's mode, use BLKmode.
13623 * expr.c (expand_expr_unaligned): Add more code from full case
13624 that is needed when OP0 is in a register.
13626 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13628 * dwarfout.c (field_byte_offset): Size can be zero if there was
13631 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13633 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13634 (associate_trees): Delete unused var TEM.
13635 (extract_muldiv): Delete unused var CANCEL_P.
13637 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13638 (target_isinf, target_isnan, target_negative): Add return types to
13639 function definitions.
13641 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13643 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13644 * fixinc/hackshell.tpl: ditto
13645 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13646 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13648 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13650 * reload.c (push_reload): When looking for a register to put into
13651 reg_rtx, make sure all hard regs in a multi-reg register are in the
13652 right class and nonfixed.
13654 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13655 pending_read_insns, pending_write_insns, pending_read_mems,
13656 pending_write_mems, pending_list_length, last_pending_memory_flush,
13657 last_function_call, sched_before_next_call): Move static variables
13659 (bb_ prefixed versions): Replace with single array bb_deps.
13660 (struct deps): New structure.
13661 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13662 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13663 argument of type "struct deps *"; use that instead of global
13664 variables. All callers changed.
13665 (init_rgn_data_dependencies): Delete function.
13666 (init_rtx_vector): Delete function.
13667 (init_deps): New function.
13669 (free_pending_lists): Simplify, we always use the bb_deps array even
13670 if only one basic block.
13671 (compute_block_backward_dependences): Likewise.
13672 (schedule_region): Likewise.
13674 (propagate_deps): New function, broken out of
13675 compute_block_backward_dependences.
13676 (compute_block_backward_dependences): Use it.
13678 * alpha.md: Delete useless patterns that tried to work around
13679 register elimination problems.
13681 * unroll.c (loop_iterations): Don't abort if iteration variable
13684 From Joern Rennecke:
13685 * reload1.c (reloads_conflict): Reverse test comparing operand
13686 numbers when testing for conflict between output/outaddr reloads.
13688 1999-11-29 David S. Miller <davem@redhat.com>
13690 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13692 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13694 1999-11-28 Robert Lipe <robertl@cygnus.com>
13696 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13697 table from .fini into .dtor.
13699 1999-11-28 Anthony Green <green@cygnus.com>
13701 * tree.h (struct tree_decl): Add malloc_flag.
13702 (DECL_IS_MALLOC): Define.
13703 * c-common.c (attrs): Add A_MALLOC attribute.
13704 (init_attributes): Add this attribute to the table.
13705 (decl_attributes): Handle malloc attribute.
13706 * calls.c (special_function_p): Check for the malloc attribute.
13707 * extend.texi (Function Attributes): Document malloc attribute.
13709 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13711 * pa.md (reload shift-add patterns): Remove.
13713 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13715 * reorg.c (dbr_schedule) Print more statistics. Corrected
13716 problem when printing info when 3 delay slots are filled.
13718 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13720 * combine.c (setup_incoming_promotions): Pass an outgoing
13721 regno to FUNCTION_ARG_REGNO_P which it expects.
13723 1999-11-28 Andreas Jaeger <aj@suse.de>
13725 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13727 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13729 * cccp.c (do_include): Avoid initialization of automatic variable.
13731 * integrate.c (mark_stores): Function definition made void, to match
13732 previous declaration.
13733 * regclass.c (dump_regclass): Ditto.
13734 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13736 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13738 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13739 known to be multiple of divisor.
13741 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13743 * combine.c (try_combine): Add code to try to merge a set of a
13744 two-word pseudo to a constant with a setting of one of those words
13747 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13748 (split_tree): Completely rework to make more general.
13749 (make_range, fold): Call negate_expr.
13750 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13751 (fold, associate): Call new split_tree and associate_trees.
13752 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13754 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13756 * loop.c (try_copy_prop): Avoid GNU C extension.
13758 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13760 * except.c (init_eh_for_function): Still zero eh_return_context,
13761 eh_return_stack_adjust, and eh_return_handler.
13763 * except.h (eh_status): Adjust documentation for x_protect_list.
13764 (begin_protect_partials): New function.
13765 * except.c (enqueue_eh_entry): Fix formatting.
13766 (get_first_handler): Add consistency check.
13767 (add_partial_entry): Adjust usage of protect_list.
13768 (emit_cleanup_handler): Save and restore ehqueue.
13769 (expand_start_all_catch): Add comment.
13770 (begin_protect_partials): New function.
13771 (end_protect_partials): Adjust usage of protect_list.
13772 (init_eh_for_function): Use xcalloc.
13774 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13776 * c-common.c (check_format_info): Don't call a variadic function
13777 with a non-literal format string.
13779 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13781 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13782 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13785 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13788 * collect2.c (collect_wait): Likewise.
13790 * dbxout.c (dbxout_type): Likewise.
13792 * gcc.c (do_spec_1): Likewise.
13794 * genemit.c (gen_insn, gen_expand): Likewise.
13796 * genrecog.c (write_switch, write_subroutine): Likewise.
13798 * mips-tfile.c (catch_signal, botch): Likewise.
13800 * print-rtl.c (print_rtx): Likewise.
13802 * toplev.c (default_print_error_function, report_error_function,
13803 _fatal_insn): Likewise.
13805 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13807 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13809 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13811 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13812 operations when needed.
13813 * i386.md (fop_?f_comm): New.
13814 (fop_?f_1): Do not accept commutative operands.
13816 1999-11-25 Andreas Jaeger <aj@suse.de>
13818 * config/mips/mips.md (casesi_internal): Add missing brace.
13820 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13822 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13823 (splice_child_die): Handle moving a child DIE from the declaration
13824 DIE of a class to its specification.
13825 (gen_struct_or_union_type_die): Use 'complete' consistently.
13826 (gen_decl_die): Generate the virtual context DIE first.
13827 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13829 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13831 * config/mips/mips.md (call_value_multiple_interanal1): New.
13833 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13835 * dwarf2out.c (free_AT, free_die): New fns.
13836 (remove_children): Call them.
13837 (output_line_info): Disable removal of duplicate notes.
13839 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13840 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13841 means pretend the type isn't defined.
13842 Don't defer emitting types.
13843 (gen_type_die_for_member): New fn.
13844 (gen_decl_die): Call it.
13845 (splice_child_die): New fn.
13846 (gen_member_die): Call it rather than generate duplicate dies.
13848 Defer emitting information for the abstract instance of an inline
13849 until we either inline it or emit an out-of-line copy.
13850 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13851 from output_inline_function if DECL_ABSTRACT is also set.
13852 (block_ultimate_origin): Likewise.
13853 (gen_abstract_function): New fn.
13854 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13855 (gen_subprogram_die): An abstract instance is not a declaration
13856 just because it doesn't match current_function_decl. Don't abort
13857 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13858 has an abstract origin.
13859 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13860 abstract instance here.
13862 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13864 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13865 where we need to reload fpul from a system register.
13867 1999-11-24 Andreas Jaeger <aj@suse.de>
13869 * config/mips/linux.h (CPP_PREDEFINES): Added.
13870 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13872 1999-11-24 Andreas Jaeger <aj@suse.de>
13874 * config/mips/linux.h (TARGET_VERSION): Added.
13875 (HANDLE_SYSV_PRAGMA): Added.
13876 (DEFAULT_VTABLE_THUNKS): Added.
13878 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13880 * local-alloc.c (qty): New structure and static variable.
13881 (qty_phys_reg): Remove, all references changed to qty.
13882 (qty_n_refs): Likewise.
13883 (qty_min_class): Likewise.
13884 (qty_birth): Likewise.
13885 (qty_death): Likewise.
13886 (qty_size): Likewise.
13887 (qty_mode): Likewise.
13888 (qty_n_calls_crossed): Likewise.
13889 (qty_alternate_class): Likewise.
13890 (qty_changes_size): Likewise.
13891 (qty_first_reg): Likewise.
13892 (alloc_qty): Rename variable QTY to QTYNO.
13893 (finf_free_reg): Likewise.
13894 (local_alloc): Allocate qty, do not allocate the removed variables.
13896 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13898 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13899 when -membedded-pic is passed.
13901 * config/mips/mips.md (casesi): Handle 64-bit case too.
13902 (casesi_internal_di): New insn.
13904 * config/mips/mips.c (embedded_pic_offset): Always make the
13905 embedded-pic subtractions relative to the name of the current
13906 function by use of the magic string "..CURRENT_FUNCTION".
13907 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13909 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13911 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13912 of (const_int 0), when what we really care about is
13913 whether it's a zero constant anyway.
13914 (div_trap_mips16): Likewise.
13916 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13918 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13919 unroll_block_trees when generating debuggable code.
13921 * tree.h (unsave_expr_1): New function.
13922 (lang_unsave): New variable.
13923 (get_callee_fndecl): New function.
13924 * tree.c (unsave_expr_now_r): New function.
13925 (lang_unsave): Define.
13926 (unsave_expr_1): Likewise.
13927 (unsave_expr_now_r): Split out from unsave_expr_now.
13928 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13929 call unsave_expr_now_r.
13930 (get_callee_fndecl): Define.
13932 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13933 (gencheck.o): Do depend on lang_tree_files.
13935 * integrate.h (copy_decl_for_inlining): New declaration.
13936 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13937 (copy_decl_for_inlining): New function.
13938 (integrate_parm_decls): Use it.
13939 (integrate_decl_tree): Likewise.
13941 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13943 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13944 the second two from the first.
13945 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13946 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13947 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13949 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13950 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13953 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13955 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13956 needed on the address operand.
13957 * pa.c (call_operand_address): Check for the correct mode.
13959 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13961 * loop.c: Include "basic-block.h".
13962 (try_copy_prop, replace_loop_reg): New functions.
13963 (load_mems): Detect registers that just hold copies of the hoisted
13964 mem, and call try_copy_prop to eliminate them.
13965 * Makefile.in (loop.o): Update dependencies.
13967 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13969 * Makefile.in (gencheck.o): Depend on gencheck.h.
13970 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13971 (insn-peep.o): Depend on except.h and function.h.
13972 (insn-attrtab.o): Depend on RECOG_H.
13973 (insn-output.o): Depend on toplev.h and flags.h.
13974 (gengenrtl.o): Depend on real.h.
13975 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13976 Unify all dependencies to be on RECOG_H rather than recog.h.
13978 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13980 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13981 * configure.in: Try building a bi-arch 32/64-bit compiler on
13982 sparc-*-solaris2.7 and higher.
13983 * configure: Rebuild.
13985 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13987 * config/freebsd.h: New, FreeBSD architecture independent file.
13988 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13989 independent pieces.
13990 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13991 directly by i386/freebsd.h.
13992 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13993 independent configuration file.
13994 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13995 directly by i386/freebsd.h.
13996 * configure: Rebuilt.
13998 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13999 which is in the user's namespace.
14000 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14001 `i386' which is not in our namespace.
14003 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14005 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14007 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14009 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14010 (add_dwarf_attr, add_child_die): Just push onto the front.
14011 (reverse_die_lists): New fn.
14012 (add_sibling_attributes): Use it.
14013 (push_decl_scope): Reorganize.
14014 (add_name_and_src_coords_attributes): Don't set file and line for
14015 an artificial decl.
14016 (gen_subprogram_die): An artificial function doesn't need to match
14018 (gen_compile_unit_die): Return the generated die. Only add
14019 AT_comp_dir if the filename is relative.
14020 (remove_AT): Simplify loop. Also free string values.
14021 (output_die): A DIE ref can't be null.
14022 (output_value_format, value_format): Take a dw_attr_ref.
14023 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14024 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14025 AT_addr, AT_lbl): New fns.
14026 (various): Use them.
14027 (various): Constify.
14029 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14031 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14032 take SUBREG_WORD into account.
14033 (if_then_else_cond): Likewise.
14035 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14037 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14038 clause from BSD license, pursuant with
14040 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14042 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14044 * loop.c (load_mems): Reformat slightly.
14045 * basic-block.h (regset_head): New typedef.
14046 (INIT_REG_SET): New macro.
14048 1999-11-22 Bruce Korb <autogen@linuxbox.com
14050 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14051 (mips-dec-bsd*): non-functional code
14052 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14054 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14055 added three replacement fixes
14056 (no_double_slash): removed comments that are not (any longer) pertinent
14057 (bad_lval): this fix currently runs against many files.
14058 The comment seems to indicate that we should select for files
14059 containing 'pragma extern_prefix'.
14061 * fixinc/fixinc.x86-linux-gnu: deleted
14062 * fixinc/inclhack.sh: regen
14063 * fixinc/fixincl.x: regen
14064 * fixinc/fixincl.sh: regen
14066 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14068 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14069 its code is INSN and it has no notes.
14071 1999-11-22 Andrew Haley <aph@cygnus.com>
14073 * varasm.c (function_defined): Remove.
14074 (make_function_rtl): Don't set function_defined.
14075 (make_decl_rtl): Remove global register warning.
14076 * regclass.c (no_global_reg_vars): New variable.
14077 (globalize_reg): Warn if function has already been defined.
14078 (regclass_init): Set no_global_reg_vars.
14080 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14082 * regclass.c (reg_pref): New structure and static variable
14083 (prefclass): Delete.
14084 (altclass): Delete.
14085 (all uses of prefclass and altclass): Use reg_pref instead.
14087 1999-11-21 Nick Clifton <nickc@cygnus.com>
14089 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14091 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14092 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14093 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14095 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14097 * varasm.c (output_constructor): Solve problem with long long
14098 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14100 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14102 * global.c (allocno): New structure and static variable.
14103 (allocno_reg): Remove, all references replaced by allocno.
14104 (allocno_size): Likewise.
14105 (hard_reg_conflicts): Likewise.
14106 (hard_reg_preferences): Likewise.
14107 (hard_reg_copy_preferences): Likewise.
14108 (hard_reg_full_preferences): Likewise.
14109 (regs_someone_prefers): Likewise.
14110 (allocno_calls_crossed): Likewise.
14111 (allocno_n_refs): Likewise.
14112 (allocno_live_length): Likewise.
14113 (find_reg): Rename ALLOCNO to NUM.
14115 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14116 references updated.
14117 (may_move_out_cost): New variable.
14118 (init_reg_sets_1): Initialize may_move_out_cost.
14119 (record_reg_classes): Use may_move_out_cost.
14121 * regclass.c (dump_regclass): New function.
14122 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14123 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14124 pass rtl_dump_file to regclass.
14125 * rtl.h (regclass): Update prototype.
14127 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14129 * i386.md (neg, not and abs patterns): Revmap to use
14130 ix86_expand_unary_operator and ix86_unary_operator_ok.
14131 (add?f and sub?f expanders): Force operand 1 to register.
14132 * i386.c (ix86_expand_unary_operator): Rewrite.
14133 (ix86_unary_operator_ok): Ensure that memory operands
14135 (ix86_binary_operator_ok): Do not allow operand 1 to
14136 come into memory and operand 0 not.
14137 (ix86_expand_binary_operator): Ensure that
14138 src1 is not non-matching memory.
14140 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14141 to support integer registers and memory.
14142 (abss?2_integer): Likewise.
14144 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14145 (REG_CLASS_NAMES): Likewise.
14146 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14148 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14149 (movsf): Likewise; unify 4th and 5th alternative.
14150 (pushdf): Likewise.
14151 (movdf_1): Likewise; rename to movdf_integer.
14152 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14153 remove redundant splitter.
14154 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14155 (movdf_nointeger): New.
14156 (movxf_nointeger): New.
14157 (pushxf_nointeger): New.
14159 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14160 memory operands in patterns.
14161 (fop*): Refuse two memory operands.
14163 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14164 on !TARGET_USE_CLTD CPUs.
14166 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14168 * extend.texi: Document C++ restricted pointers and references.
14170 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14172 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14173 (invalidate_skipped_set): Call it unconditionally.
14174 (cse_set_around_loop): Likewise.
14176 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14178 * rtl.texi (mem): Add documentation for alias-set argument
14181 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14183 * i386.h (struct_processor_costs): New fields int_load, int_store,
14184 fp_move, fp_load and fp_store
14185 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14187 (MEMORY_MOVE_COST): New macro.
14188 * i386.c (386_cost): Define new fields.
14189 (i486_cost): Likewise.
14190 (pentium_cost): Likewise.
14191 (pentiumpro_cost): Likewise.
14192 (k6_cost): Likewise.
14194 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14195 Geoffrey Keating <geoffk@cygnus.com>
14197 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14199 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14202 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14203 (TARGET_STRICT_ALIGNMENT): New macro.
14204 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14205 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14206 * invoke.texi (M680x0 Options): Document -mstrict-align.
14208 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14209 Richard Henderson <rth@cygnus.com>
14211 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14212 (ix86_split_long_move): Declare.
14213 * i386.c (split_xf, ix86_split_movdi): Remove.
14214 (ix86_split_to_parts, ix86_split_long_move): New.
14215 * i386.md (dimode move splitters): Use ix86_split_long_move.
14216 (dfmode move splitters): Likewise.
14217 (xfmode move splitters): Likewise.
14218 (movsf_1): Allow F->r.
14219 (movdf_1, movxf_1): Allow F->ro.
14221 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14223 * except.h (struct eh_entry): Add goto_entry_p.
14224 (eh_region_from_symbol): Remove prototype.
14225 * except.c (find_func_region_from_symbol): New function.
14226 (emit_cleanup_handler): Likewise.
14227 (eh_region_from_symbol): Make it static.
14228 (add_new_handler): Verify the argument.
14229 (find_func_region): Update comment.
14230 (expand_eh_region_end): Expand handlers here, rater than waiting
14231 until expand_leftover_cleanups or start_all_catch.
14232 (expand_leftover_cleanups): Don't expand here.
14233 (expand_start_all_catch): Or here.
14234 (expand_rethrow): Check the return value from find_func_region.
14235 * function.c (expand_function_end): Emit the catch_clauses.
14237 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14239 * integrate.c (expand_inline_function): Add necessary check for NULL.
14241 1999-11-18 Nick Clifton <nickc@cygnus.com>
14243 * toplev.c (main): Correctly detect an unrecognised option.
14245 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14246 a -f option if it has not been recognised.
14248 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14250 * basic-block.h (update_life_extent): Remove trailing comma on
14251 enumeration type list.
14253 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14255 * varasm.c (output_constructor) Solved problem with long long
14256 bitfields. Corrected calculating this_time and shift. Also
14257 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14259 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14261 * flow.c (split_edge): Take looping structure into account when
14262 determining where to put the new block note.
14264 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14266 * Makefile.in (ggc-none.o): Provide host specific version if
14269 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14271 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14272 containing subregs too.
14274 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14276 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14277 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14278 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14279 (text_section): Add switches -munint-const-in-rodata and
14280 -mno-uninit-const-in-rodata.
14281 (ASM_OUTPUT_COMMON): Remove.
14282 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14283 const objects should be placed in read-only data. Otherwise declare
14286 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14288 * jump.c (jump_optimize_1): Revert last change.
14290 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14292 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14293 test if optimizing for size.
14295 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14297 * Makefile.in (toplev.o): Depend on except.h.
14298 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14300 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14302 * i386.md (divmodsi4): Rewrite to expander.
14303 (*divmodsi4_nocltd): New.
14304 (*divmodsi4_cltd): New.
14305 (divmodsi4 splitter): Handle the case when input comes in edx.
14306 (udivmodhi4): Do not use constraints in exander.
14307 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14309 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14311 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14312 for the common case.
14314 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14316 * explow.c (hard_function_value): Add outgoing argument.
14317 * expr.h (hard_function_value): Declare it.
14318 * calls.c (expand_call, emit_library_call_value): Update callers.
14319 * function.c (aggregate_value_p): Ditto.
14320 (diddle_return_value): Must look at the outgoing registers
14321 on archs with register windows.
14323 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14325 * alpha.c (alpha_build_va_list): Use make_lang_type and
14326 initialize TYPE_NAME for the va_list record.
14328 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14330 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14332 * ggc.h (struct ggc_statistics): Rearrange elements for better
14333 packing on 64-bit hosts.
14334 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14335 (compute_nearerout): Likewise.
14337 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14339 * config/rs6000/rs6000.c (first_reg_to_save): Save
14340 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14342 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14344 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14345 notion of nesting to find the DIE for a type or function.
14346 DIEs can go in limbo even if we got a context_die.
14347 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14348 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14350 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14351 (gen_type_die): Writing out the context doesn't cause member class
14352 template instantiations to be written out as well.
14354 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14356 * rs6000.h (ASM_OUTPUT_DEF): New.
14357 Based on proposed addition from David Edelsohn.
14359 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14360 Bruce Korb <autogen@linuxbox.com>
14362 * fixinc/inclhack.def
14363 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14364 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14366 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14367 (svr4_endian): enabled with SVR5
14368 (svr4_mkdev): simplified syntax and enabled with SVR5
14370 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14372 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14373 * configure: Rebuilt.
14374 * config/t-freebsd-thread: New file.
14376 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14378 * i386.c (ix86_decompose_address): Verify the base is a REG
14379 before trying to examine its register number.
14381 * basic-block.h: Remove all #defines and prototypes related to
14383 (free_bb_mem, compute_preds_succs): Remove prototype.
14384 * rtl.h (free_bb_mem): Remove prototype.
14385 * flow.c (alloc_int_list_node); Remove function.
14386 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14387 (compute_preds_succs, free_bb_mem): Likewise.
14388 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14389 * toplev.c (rest_of_compilation): Likewise.
14390 * haifa-sched.c (build_control_flow): Use flow generated edge
14391 list to build the haifa specific edge list.
14392 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14393 (schedule_insns): Do not build pred/succ lists anymore. Instead
14394 build the edge table.
14396 * basic-block.h (dump_bb_data): Remove declaration.
14397 * flow.c (dump_bb_data): Remove function.
14398 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14399 (sbitmap_union_of_predsucc): Likewise.
14401 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14402 argument. All callers changed.
14403 (delete_null_pointer_checks_1): No longer need to compute the
14406 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14407 All callers changed.
14408 (pre_expr_reaches_here_p_work): Likewise.
14409 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14410 * lcm.c (compute_laterin): Fix initialization of LATER.
14411 (compute_nearerout): Similarly for NEARER.
14413 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14415 * cse.c (set_nonvarying_address_components): Delete unused function.
14416 (refers_to_p): Likewise.
14418 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14420 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14423 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14425 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14426 definition in do while (0).
14428 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14430 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14432 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14434 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14436 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14438 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14439 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14440 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14441 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14443 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14444 saved on the stack. Output more accurate stack frame statistics
14445 into assembler file.
14447 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14449 * genextract.c (record_insn_name): New function.
14450 (get_insn_name): No longer a stub.
14451 (main): Call record_insn_name for each insn. After each label
14452 written, print the insn name in a comment.
14454 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14456 * output.h (const_section, init_section, fini_section): Add
14459 * alpha/elf.h (const_section): Delete declaration.
14461 * svr4.h (const_section): Likewise.
14463 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14465 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14466 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14467 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14469 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14470 variable-sized array bounds.
14472 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14474 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14477 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14479 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14480 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14482 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14484 * cse.c (hash_arg_in_struct): Delete.
14485 (struct table_elt): Delete elt in_struct.
14486 (struct set): Delete elt src_in_struct.
14487 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14488 the corresponding in_struct elts.
14489 (canon_hash): Likewise.
14490 (safe_hash): Likewise.
14491 (find_best_addr): Likewise.
14492 (record_jump_cond): Likewise.
14493 (cse_insn): Likewise.
14495 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14497 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14499 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14502 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14504 * function.c (diddle_return_value): Put back check that the DECL_RTL
14505 for the function is a register.
14507 * function.c (diddle_return_value): Use hard_function_value to
14508 get an rtx suitable for use in the USE/CLOBBER insn.
14510 * global.c (global_conflicts): Update comments.
14511 (record_conflicts): No need to record conflicts between pseudos here.
14513 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14515 * fixinc/fixincl.c: Added verbose levels for status messages
14517 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14519 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14520 operand as argument to expand_and or expand_binop.
14522 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14524 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14525 gcc_add_string_root.
14527 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14529 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14531 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14533 * flow.c (compute_flow_dominators): Initially put all blocks on
14535 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14536 * gcse.c (compute_cprop_avinout): Remove.
14537 (compute_cprop_data): Use compute_available.
14538 (delete_null_pointer_checks_1): Use compute_available.
14540 * basic-block.h (compute_available): Returns a void now.
14541 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14542 to return a value anymore.
14543 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14544 worklists. Fix boundary cases. Compute maximal solutions.
14545 (compute_laterin, compute_nearerout): Similarly.
14547 * dwarf2out.c (add_AT_location_description): Allow
14548 (mem (plus (pseudo) (...)) too.
14550 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14552 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14554 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14555 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14557 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14559 * gansidecl.h: Likewise.
14565 * toplev.h: Likewise.
14567 * tree.c: Likewise.
14569 * tree.h: Likewise.
14571 * varray.c: Likewise.
14573 * varray.h: Likewise.
14575 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14577 * gcov.c (struct arcdata): Add hits and total, remove prob.
14578 (output_branch_counts): New.
14579 (process_args): Set output_branch_counts if -c.
14580 (calculate_branch_probs): Store hits and total instead of
14582 (output_data): Emit counts if output_branch_counts is true.
14583 * gcov.texi (Invoking Gcov): Document -c switch..
14585 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14587 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14588 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14590 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14592 * invoke.texi (C Dialect Options): Add missing builtins from
14593 c-common.c to list.
14594 * extend.texi (Other Builtins): Copy to this list.
14596 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14598 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14599 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14600 redundant bitmap.h.
14602 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14604 * flow.c (compute_flow_dominators): No longer treat basic block 0
14605 or (n_basic_blocks - 1) specially. Clear the AUX field before
14606 starting computation of doms/pdoms. Fix initial state for pdoms.
14608 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14610 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14611 match rtl.o's: added ggc.h and toplev.h
14612 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14613 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14614 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14616 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14618 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14619 from HAVE_DOS_BASED_FILESYSTEM.
14620 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14621 HAVE_DOS_BASED_FILESYSTEM.
14623 (split_directories): Only special-case DOS file names if
14624 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14625 instead of explicit tests. Conditionalize on !VMS.
14626 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14627 tests. Conditionalize on !VMS.
14628 (process_command): Only use make_relative_prefix if !VMS.
14629 (free_split_directories): Conditionalize on !VMS.
14630 (DIR_UP): Conditionalize on !VMS.
14632 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14634 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14636 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14638 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14641 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14643 * invoke.texi (Environment Variables): Document relative path
14645 * gcc.c (DIR_UP): If not defined, define as "..".
14646 (standard_bindir_prefix): New static, holds target location to
14648 (split_directories): New function to split a filename into
14649 component directories.
14650 (free_split_directories): New function, release memory allocated
14651 by split_directories.
14652 (make_relative_prefix): New function, make a relative pathname if
14653 the compiler is not in the expected location.
14654 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14655 can figure out an appropriate prefix from argv[0].
14656 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14657 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14658 STANDARD_BINDIR_PREFIX.
14660 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14662 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14664 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14665 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14666 c4x_secondary_memory_needed) Delete.
14667 (fp_zero_operand): Add mode argument.
14669 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14671 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14672 that is in reload_reg_used.
14674 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14676 * config/arm/arm-protos.h: New file: Prototypes for functions
14677 defined in arm.c and pe.c.
14678 * config/arm/arm.h: Fix compile time warnings.
14679 * config/arm/arm.c: Fix compile time warnings.
14680 * config/arm/pe.h: Fix compile time warnings.
14681 * config/arm/aout.h: Fix compile time warnings.
14683 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14685 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14688 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14689 Add support for subtargets.
14690 Add prototypes for new predicates.
14691 Add scheduling macros.
14693 * config/m32r/m32r.c: Fix compile time warnings.
14694 (int8_operand): New predicate function.
14695 (reg_or_cmp_int16_operand): New predicate function.
14696 (extend_operand): New predicate function.
14697 (m32r_adjust_code): New scheduling function.
14698 (m32r_adjust_priorty): New scheduling function.
14699 (m32r_sched_init): New scheduling function.
14700 (m32r_sched_reorder): New scheduling function.
14701 (m32r_sched_variable_issue): New scheduling function.
14702 (direct_return): New codegen function.
14703 (m32r_not_same_reg): New rtl testsing function.
14705 * config/m32r/m32r.md: Fix compile time warnings.
14706 Add support for pre decrement and post increment memory
14708 Add S<cc> patterns.
14711 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14713 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14714 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14715 (find_reg): Likewise.
14717 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14719 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14720 to avoid assembler errors.
14722 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14724 * config/v850/v850-protos.h: New file: Prototypes for functions
14726 * config/v850/v850.h: Move prototypes to v850-protos.h
14727 * config/v850/v850.c: Move prototypes to v850-protos.h
14728 * config/v850/v850.md: Fix compile time warnings.
14730 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14732 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14733 * config/fr30/fr30.c: Fix compile time warnings.
14734 * config/fr30/fr30.md: Fix compile time warnings.
14736 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14738 * tree.h (get_containing_scope): Declare it.
14739 * tree.c (get_containing_scope): New fucntion.
14740 (decl_function_context): Use it.
14741 * toplev.c (rest_of_compilation): Use get_containing_scope.
14743 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14745 * Makefile.in (rtl.o): Depend on toplev.h.
14747 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14749 * cse.c (delete_trivially_dead_insns): Replace alloca with
14751 * except.c (update_rethrow_references): Likewise.
14752 (init_eh_nesting_info): Likewise.
14753 * function.c (identify_blocks): Likewise.
14754 * gcse.c (dump_hash_table): Likewise.
14755 * graph.c (print_rtl_graph_with_bb): Likewise.
14756 * loop.c (combine_movables): Likewise.
14757 (move_movables): Likewise.
14758 (count_loop_regs_set): Likewise.
14759 (strength_reduce): Likewise.
14760 * profile.c (compute_branch_probabilities): New function, split
14762 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14763 * regclass.c (regclass): Likewise.
14764 * regmove.c (regmove_optimize): Likewise.
14765 * toplev.c (compile_file): Likewise.
14766 (main): Don't mess with the stack rlimit.
14768 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14770 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14771 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14773 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14775 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14777 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14779 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14780 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14783 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14785 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14787 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14789 * gcse.c (post_dominators): Kill.
14790 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14791 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14792 pass in a pdom array since we do not need pdoms.
14793 * haifa-sched.c (schedule_insns): Similarly.
14794 * flow.c (compute_dominators): Remove dead function.
14795 (compute_flow_dominators): Do not compute doms or pdoms if the
14796 caller does not request them. Split up loop to build doms and
14797 pdoms. Use a worklist to compute doms and pdoms.
14798 * basic-block.h (compute_dominators): Remove prototype.
14800 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14802 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14803 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14804 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14805 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14806 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14807 (schedule_region): Remove unused variable.
14808 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14810 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14812 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14813 (update_equiv_regs): Likewise.
14814 (block_alloc): Likewise.
14815 * reg-stack.c (reg_to_stack): Likewise.
14816 (convert_regs_2): Likewise.
14817 * reload1.c (reload_as_needed): Likewise.
14819 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14821 * Makefile.in (dbxout.o): Depend on ggc.h.
14822 (dwarf2out.o): Likewise.
14823 (xcoffout.o): Likewise.
14824 * dbxout.c: Include ggc.h.
14825 (dbxout_init): Register lastfile as a root.
14826 * dwarf2out.c: Include ggc.h.
14827 (dwarf2out_line): Register lastfile as a root.
14828 * xcoffout.c: Include ggc.h.
14829 (xcoffout_source_line): Register xcoff_lastfile as a root.
14831 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14833 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14835 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14837 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14839 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14841 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14843 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14844 (EXECUTE_IF_CONFLICT): Likewise.
14845 (ALLOCNO_LIVE_P): Avoid signed division.
14846 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14847 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14848 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14850 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14852 * haifa-sched.c (schedule_block): Don't crash if there's no
14853 next insn for an interblock movement.
14854 (add_branch_dependences): Don't allow clobber insns to move either.
14856 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14858 * i386.c (split_xf): New.
14859 * i386-protos.h: Declare it.
14860 * i386.md (movxf_1): Add general regs alternatives.
14861 (movxf_1+1): New splitter for same.
14863 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14865 * function.c (purge_addressof_1): Add missing return values.
14867 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14869 * function.c (is_addressof): New function. Returns true if
14870 the given piece of RTL is an ADDRESSOF.
14871 (purge_addressof_1): Make boolean. Return false if the
14872 ADDRESSOFs could not be purged.
14873 (purge_addressof): If ADDRESSOFs could not be purged from the
14874 notes attached to an insn, remove the offending note(s),
14875 unless they are attached to a libcall.
14877 1999-11-05 Andreas Jaeger <aj@suse.de>
14879 * genoutput.c (null_operand =): Initialize all fields.
14881 * errors.h: Add extern to prototypes.
14883 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14885 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14886 * configure: Rebuilt.
14888 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14890 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14891 (mirror_conflicts): New function.
14892 (global_alloc): Call it.
14893 (expand_preferences): Remove redundant CONFLICTP test.
14894 (find_reg, dump_conflicts): Likewise.
14895 (prune_preferences): Process conflicts one word at a time.
14897 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14899 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14900 instead of an explicit loop.
14902 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14904 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14905 if REG_RETVAL check succeeds, then put classp in src_elt.
14907 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14909 * function.c (pad_to_arg_alignment): Only update argument_pad
14910 if the argument's alignment is greater than STACK_BOUNDARY.
14912 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14914 * bitmap.h (BITMAP_XFREE): New.
14915 * flow.c (life_analysis): Use it.
14916 (life_analysis_1): Free blocks.
14918 * combine.c (undo_commit): New.
14919 (try_combine): Use it. Don't zap undobuf.undos.
14920 (combine_instructions): Don't zap undobuf.undos; free the
14921 undobuf.frees list.
14923 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14925 * stmt.c (cost_table_): New.
14926 (estimate_case_costs): Use it instead of xmalloc.
14928 * toplev.c (compile_file): Reuse dumpname memory instead
14931 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14933 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14934 after verifying an EH edge.
14936 * haifa-sched.c (init_rgn_data_dependences): Correctly
14937 size bb_pending_lists_length when zeroing.
14939 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14941 * function.c (diddle_return_value): New.
14942 (expand_function_end): Use it.
14943 * stmt.c (expand_null_return): Likewise.
14944 (expand_value_return): Likewise.
14946 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14948 * reload1.c (reload): Don't remove return value clobbers.
14950 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14952 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14954 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14956 * cse.c (cse_main): Use xmalloc, not alloca.
14957 (cse_basic_block): Likewise.
14958 * local-alloc.c (local_alloc): Likewise.
14960 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14961 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14963 * rtl.c: Include toplev.h.
14964 (fatal): Remove declaration.
14966 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14968 * haifa-sched.c (schedule_block): Fix thinko.
14970 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14972 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14973 S_IR* defined values
14975 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14977 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14978 call `malloc' instead.
14980 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14982 * flags.h (flag_renumber_insns): Declare.
14983 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14985 * rtl.h (renumber_insns): Change prototype.
14986 * toplev.c (flag_renumber_insns): Define.
14987 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14989 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14991 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14992 and fpsqrtd. Use them and create fdiv function unit to more
14993 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14994 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14996 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14998 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15000 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15001 insn into ready list, do not use just a raw swap.
15003 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15005 * rtl.h (renumber_insns): New function.
15006 (remove_unnecessary_notes): Likewise.
15007 * emit-rtl.c (renumber_insns): Define.
15008 (remove_unncessary_notes): Likewise.
15009 * toplev.c (rest_of_compilation): Remove dead code.
15010 Use renumber_insns and remove_unncessary_notes.
15012 * gcse.c (struct null_pointer_info): New type.
15013 (get_bitmap_width): New function.
15014 (current_block): Remove.
15015 (nonnull_local): Likewise.
15016 (nonnull_killed): Likewise.
15017 (invalidate_nonnull_info): Take a null_pointer_info as input.
15018 (delete_null_pointer_checks_1): New function.
15019 (delete_null_pointer_checks): Use it.
15021 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15022 (split_edges): Likewise.
15023 (schedule_block): Likewise.
15024 (compute_block_backward_dependencies): Likewise.
15025 (schedule_region): Likewise.
15026 (schedule_insns): Likewise.
15028 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15030 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15031 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15032 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15033 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15034 * jump.c (delete_unreferenced_labels): Don't delete if
15035 LABEL_ALTERNATE_NAME is set.
15036 * print-rtl.c (print_rtx): Dump alternate name.
15037 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15038 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15039 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15040 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15042 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15044 * fix-header.c (recognized_extern, recognized_function): Constify
15047 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15048 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15049 (compute_available): Remove unused variable `last'.
15050 (compute_nearerout): Remove unused variable `temp_bitmap'.
15051 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15052 Remove unused variable `x'.
15054 * scan.h (recognized_function, recognized_extern): Constify a
15057 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15059 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15061 * varasm.c (decode_rtx_const): Use XSTR to access the string
15064 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15066 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15068 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15070 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15072 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15074 * pa.c (ireg_operand): New function.
15075 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15076 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15077 Fix out of date comment.
15079 * pa.md (negdi2): Turn into expander + anonymous pattern.
15081 * reload.c (find_reloads): Fix typos in recent change.
15083 * dwarf2out.c: Do not include ctype.h.
15085 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15087 * regclass.c (record_reg_classes): Always use may_move_cost when
15088 seeing how operand fits with various register classes.
15090 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15092 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15093 * toplev.c: Revert Nov 1 13:22 change.
15095 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15097 * config/pa/pa.md (height reduction patterns): Add checks for
15098 overlapping operands to avoid semantic-destroying splits for
15099 height reduction patterns.
15101 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15103 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15104 have been an hyphen, fixed.
15105 * configure: Rebuilt.
15107 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15109 * config/arm/tpe.h: Add prototypes for exported functions.
15110 * config/arm/pe.c: Fix compile time warnings.
15111 * config/arm/semi.h: Fix compile time warnings.
15112 * config/arm/arm.c: Fix compile time warnings.
15113 * config/arm/arm.h: Fix compile time warnings.
15114 * config/arm/arm.md: Fix compile time warnings.
15115 * config/arm/thumb.c: Fix compile time warnings.
15116 * config/arm/thumb.h: Fix compile time warnings.
15117 * config/arm/thumb.md: Fix compile time warnings.
15119 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15121 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15124 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15125 completely unrolled.
15127 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15129 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15131 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15133 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15134 * rtl.h (rtx_equal_p): Move prototype.
15135 * rtl.c (rtx_equal_function_value_matters): Move from
15137 (rtx_equal_p): Likewise.
15138 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15139 (rtx_equal_p): Likewise.
15141 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15143 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15144 ! HAS_INIT_SECTION.
15146 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15148 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15150 * pa.h (ADDR_VEC_ALIGN): Define.
15152 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15153 notes when presented with "if (foo) break; end_of_loop" and
15154 the break sequence gets moved out of the loop.
15156 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15157 Remove explicit zero initializations of entries within MAP.
15159 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15161 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15163 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15165 * bitmap.h (BITMAP_XMALLOC): New macro.
15166 * flow.c (CLEAN_ALLOCA): Remove.
15167 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15168 (life_analysis): Likewise.
15169 (update_life_info): Don't use CLEAN_ALLOCA.
15170 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15171 (calculate_global_regs_live): Likewise.
15172 (print_rtl_with_bb): Likewise.
15173 (verify_flow_info): Likewise.
15174 * global.c (global_alloc): Likewise.
15175 (global_conflicts): Likewise.
15176 * integrate.c (save_for_inline_nocopy): Likewise.
15177 (expand_inline_function): Likewise.
15178 * jump.c (jump_optimize_1): Likewise.
15179 (duplicate_loop_exit_test): Likewise.
15180 (thread_jumps): Likewise.
15181 * loop.c (loop_optimize): Likewise.
15182 (combine_givs): Likewise.
15183 (recombine_givs): Likewise.
15184 * reorg.c (dbr_schedule): Likewise.
15185 * unroll.c (unroll_loop): Likewise.
15187 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15189 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15191 * toplev.c (rest_of_compilation): Don't optimize the CFG
15192 when rebuilding, just before dbr.
15194 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15196 * output.h (assemble_end_function, assemble_destructor,
15197 assemble_constructor, assemble_gc_entry, assemble_global,
15198 assemble_label, output_constant_pool) Constify a char*.
15200 * varasm.c (assemble_destructor, assemble_constructor,
15201 assemble_gc_entry, assemble_end_function, assemble_global,
15202 assemble_label, output_constant_pool): Likewise.
15204 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15206 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15207 explaining what is goin on in this function.
15209 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15211 * regclass.c (record_reg_classes): In matching case, recompute
15212 costs since the direction of movement is different.
15214 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15216 * resource.c (mark_target_live_regs): For unconditional branches,
15217 the resources found at the branch target should be added to the
15218 resources found so far, not intersected.
15220 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15222 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15224 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15225 (sys/mman.h): Include this file only if #HAVE_MMAP.
15226 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15227 with automatically concatenated ANSI strings.
15229 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15231 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15232 (DIV_ROUND_UP): Robustify.
15233 (ggc_recalculate_in_use_p): New function.
15234 (release_pages): Don't inline it.
15235 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15237 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15238 (clear_marks): Always save in_use_p.
15239 (sweep_pages): Use ggc_recalculate_in_use_p.
15240 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15241 Release pages before counting statistics.
15243 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15245 * toplev.c (rest_of_compilation): Fix thinko in this change:
15247 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15249 (rest_of_compilation): If inside an inlined external function,
15250 pretend we are just being declared.
15252 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15254 * flow.c (calculate_global_regs_live): Fix thinko.
15256 * integrate.c (expand_inline_function): Fix bugs in previous
15257 change from Oct 28, 1999.
15259 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15261 * stmt.c (expand_value_return): Fix typo in this change:
15263 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15264 (expand_value_return): Correctly convert VAL when promoting function
15265 return; support RETURN_REG being a PARALLEL.
15267 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15269 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15271 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15273 * hard-reg-set.h (reg_names): Constify a char*.
15275 * regclass.c (reg_names): Likewise.
15277 * regs.h (reg_names): Likewise
15279 * a29k/a29k.c (reg_names): Delete declaration.
15281 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15283 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15284 arc_output_function_epilogue): Likewise.
15286 * elxsi/elxsi.c (reg_names): Likewise.
15288 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15290 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15293 * m88k/m88k.c (output_function_profiler): Likewise.
15295 * sparc/sparc.c (sparc_flat_output_function_prologue,
15296 sparc_flat_output_function_epilogue): Likewise.
15298 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15300 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15301 warning from -Wuninitialized and put it under -W.
15302 * function.c (uninitialized_vars_warning): Warn only when the
15303 corresponding flag is set.
15305 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15307 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15308 is nonzero and the single set does not have an elt, then assign
15311 * simplify-rtx.c: New file.
15312 * Makefile.in (OBJS): Add simplify-rtx.o
15313 (simplify-rtx.o): Add dependencies.
15314 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15315 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15316 (cse_gen_binary, simplify_unary_operation): Delete.
15317 (simplify_binary_operation, simplify_plus_minus): Likewise.
15318 (check_fold_consts, simplify_relation_operation): Likewise.
15319 (simplify_ternary_operation): Likewise.
15320 (delete_trivially_dead_insns): Simplify the contents of the
15321 REG_EQUAL note before trying to substitute it into the source
15322 of the reg-reg copy at the end of a libcall sequence.
15324 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15325 references/callers changed.
15327 * mn10200.c (mn10200_va_arg): Force the return value into a
15330 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15332 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15335 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15337 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15339 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15341 * fold-const.c (fold): Fix thinko when optimizing comparisons
15344 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15346 * gcc.texi (Passes): Update front-end files to their current
15349 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15351 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15352 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15353 (PREDICATE_CODES): Add addition_operation.
15354 * alpha-protos.h (addition_operation): Declare.
15355 (secondary_reload_class): Likewise.
15356 * alpha.c (addition_operation): New.
15357 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15358 * alpha.md (adddi3): Turn into expander.
15359 (*lda, *adddi_2): New.
15360 (movsf, movdf patterns): Don't preference integer regs.
15361 (movsi, movdi patterns): Don't preference fp regs.
15363 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15365 * genrecog.c (write_switch): Check for duplicate CODE cases.
15367 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15369 * ggc-common.c: Update pre-function commentary.
15370 * ggc-page.c: Likewise.
15372 (poison_pages): Use memset directly.
15373 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15374 (ggc_collect): Poison before sweeping.
15375 * ggc-simple.c: Update pre-function commentary.
15376 (ggc_alloc_obj): Poison non-zeroed memory.
15378 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15380 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15381 match format string, even on 64-bit hosts.
15382 * gcc-page.c (ggc_page_print_statistics): Likewise.
15384 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15386 * config/i386/i386.c (ix86_cpu): Revert last patch.
15387 * config/i386/i386.h (ix86_cpu): Ditto.
15389 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15391 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15392 TYPE_SIZE, convert type of result to sizetype.
15394 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15396 * flow.c (count_or_remove_death_notes): Equate NULL with the
15399 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15400 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15403 * i386.c (pic_label_no): Delete.
15404 (ix86_attr_length_default): Don't use single_set to peek
15407 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15408 the first insn after bb->end.
15409 * i386.md (push mem peeps): Scratch is live after evaluation
15411 (cmp mem peep): Similarly.
15413 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15415 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15416 * function.c (pad_to_arg_alignment): Add missing braces.
15418 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15420 * alpha/alpha-protos.h (literal_section): Add prototype.
15421 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15424 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15426 (alpha_start_function, alpha_end_function, float_strings,
15427 alpha_need_linkage): Constify a char*
15429 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15431 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15433 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15435 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15437 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15439 * flow.c (debug_flow_info): Add prototype.
15441 * gcc.c (main): Likewise.
15443 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15446 * reload1.c (failed_reload, set_reload_reg): Likewise.
15448 * mips-tfile.c (main): Likewise.
15449 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15450 with ATTRIBUTE_NORETURN.
15452 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15454 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15455 DECL is not a memory ref.
15457 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15459 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15460 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15462 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15464 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15465 * config/mips/elf64.h: ditto.
15467 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15469 * expr.c (emit_push_insn): New argument alignment_pad.
15470 Update all callers. Adjust stack pointer based on alignment pad.
15471 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15472 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15473 (locate_and_pad_parm): New argument alignment_pad. Update all
15475 * expr.h (emit_push_insn): Update prototype.
15476 (locate_and_pad_parm): Update prototype.
15477 * calls.c (arg_data): Add new field alignment_pad.
15478 (initialize_argument_information): Initialize alignment_pad.
15480 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15482 * except.c (free_eh_nesting_info): Free the info itself.
15483 * function.c (free_after_compilation): Don't free NULL.
15484 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15485 (pre_edge_insert): Free inserted.
15486 * stmt.c (free_stmt_status): Don't free NULL.
15488 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15490 * gcov.c (DIR_SEPARATOR): Provide default.
15491 (output_data): Add test for MS-DOS format absolute filename.
15492 (fancy_abort): Correct program name.
15493 (open_files): Open all files in binary mode.
15494 * libgcc2.c (__bb_exit_func): Likewise.
15496 * profile.c (init_branch_prob): Specify binary when opening files.
15498 * flags.h (flag_unwind_tables): New decl.
15499 * toplev.c (flag_unwind_table): New definition.
15500 (f_options): Add -funwind-tables.
15501 (decode_g_option): Clarify warning when unknown -g option is given.
15502 (rest_of_compilation): If inside an inlined external function,
15503 pretend we are just being declared.
15505 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15506 (dwarf2out_frame_finish): Likewise.
15508 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15510 * fold-const.c (merge_ranges): If not in0, but in1, handle
15511 upper bounds equal like subset case.
15513 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15515 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15516 passed in a register but moved to the stack.
15518 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15520 * gcc.c (pass_exit_codes, greatest_status): New variables.
15521 (struct option_map): Add entry for "--pass-exit-codes".
15522 (execute): Update greatest_status if error.
15523 (display_help): Add documentation for -pass-exit-codes.
15524 (process_command): Handle -pass-exit-codes.
15525 (main): Look at pass_exit_codes and greatest_status on call to exit.
15527 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15529 * reload.c (find_reloads): Refine test for no input reload
15530 case to not includes reloads emitted after insn.
15532 * function.c (find_temp_slots_from_address): Handle sum involving
15533 a register that points to a temp slot.
15534 (update_temp_slot_address): Make recursive call if both old and
15535 new are PLUS with a common operand.
15536 * calls.c (expand_call): Mark temp slot for result as having
15539 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15541 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15542 component as well as "BINUTILS".
15544 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15545 * integrate.c (copy_rtx_and_substitute): Likewise.
15546 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15547 All callers changed.
15548 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15550 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15551 gdb extensions, write size of type; also be more consistent
15552 in using references when this is a subtype.
15554 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15555 that is out of range.
15557 * loop.c (unknown_constant_address_altered): New variable.
15558 (prescan_loop): Initialize it.
15559 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15560 (invariant_p, case MEM): Remove handling for volatile and readonly;
15561 check new variable if readonly.
15562 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15564 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15565 (addr_affects_sp_p): Removed from note_mem_written and only
15566 define #ifdef AUTO_INC_DEC.
15568 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15570 * regclass.c (record_reg_classes): Properly handle register move
15573 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15574 Don't think valid if both operands are invalid.
15575 (struct constant_descriptor): New field RTL.
15576 (mark_const_hash_entry): Mark it.
15577 (record_constant{,_rtx}): Initialize it.
15578 (output_constant_def): Allocate RTL in permanent obstack and
15580 ({record,compare}_constant_1): Modes must match for
15581 CONSTRUCTOR of ARRAY_TYPE.
15583 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15584 * output.h (initializer_constant_valid_p): Move decl to here.
15585 * c-common.c (initializer_constant_valid_p): Delete function from here.
15586 * varasm.c (initializer_constant_valid_p): Move function to here.
15588 * tree.h (STRIP_SIGN_NOPS): New macro.
15589 * fold-const.c (optimize_minmax_comparison): New function.
15590 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15591 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15592 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15593 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15594 widening conversions.
15595 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15596 to look at size of mode, not precision of type; also add missing cases.
15597 (optimize_bit_field_compare, decode_field_reference): Don't try to
15598 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15600 * dwarf2out.c (ctype.h): Include.
15601 (dwarf2out_set_demangle_name_func): New function.
15602 (size_of_line_info): Deleted.
15603 (output_line_info): Compute size of line info table from difference
15605 (base_type_die, add_name_attribute): Call demangle function, if any.
15606 (field_byte_offset): Use bits per word for variable length fields.
15607 (gen_array_type_die): Add array name.
15608 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15609 (dwarf2out_add_library_unit_info): New function.
15611 * explow.c (set_stack_check_libfunc): New function.
15612 (stack_check_libfunc): New static variable.
15613 (probe_stack_range): Allow front-end to set up a libfunc to call.
15615 * combine.c (simplify_comparison): When making comparison in wider
15616 mode, check for having commuted an AND and a SUBREG.
15617 (contains_muldiv): New function.
15618 (try_combine): Call it when dividing a PARALLEL.
15619 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15620 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15622 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15623 use one of the CLOBBERs instead.
15624 (if_then_else_cond): If comparing against zero, just return thing
15627 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15628 Don't generate shifts and subtract if have conditional arithmetic.
15630 * rtl.h (delete_barrier): New declaration.
15631 * jump.c (jump_optimize): Set up to handle conditional call.
15632 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15633 (delete_barrier): New function.
15635 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15637 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15639 * tree.c (build_type_attribute_variant): Push to obstack of
15640 ttype around type_hash_canon call.
15642 * expr.c (placeholder_list): Move decl to file scope.
15643 (expand_expr): Don't force access to volatile just because its
15645 If ignoring reference operations, just expand the operands.
15646 (expand_expr, case COMPONENT_REF): Propagate
15647 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15648 Refine test for using bitfield operations vs pointer punning.
15649 (expand_expr, case CONVERT_EXPR): If converting to
15650 BLKmode UNION_TYPE from BLKmode, just return inner object.
15651 Use proper mode in store_field call.
15652 Properly set sizes of object to store and total size in store_field
15653 call for convert to union.
15654 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15655 memory (like for ADDR_EXPR). Also, don't put constant in register if
15656 we'll want it in memory.
15657 (readonly_fields_p): New function.
15658 (expand_expr, case INDIRECT_REF): Call it if LHS.
15659 (expand_assignment): Handle a RESULT_DECL where
15660 DECL_RTL is a PARALLEL.
15661 (do_jump, case WITH_RECORD_EXPR): New case.
15662 (get_inner_reference): Always go inside a CONVERT_EXPR
15663 and NOP_EXPR if both modes are the same.
15664 (store_field): Use bitfield operations if size of bitsize is not same
15665 as size of RHS's type.
15666 Check for bitpos not a multiple of alignment in BLKmode case.
15667 Do block move in largest possible alignment.
15668 (store_constructor): Set BITSIZE to -1 for variable size and properly
15669 in case of array of BLKmode.
15670 (expand_expr_unaligned): New function.
15671 (do_compare_and_jump): Call it.
15673 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15674 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15675 does not include 'o'.
15677 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15678 both SET_DEST and SET_SRC reference a virtual register.
15679 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15681 * integrate.c (expand_inline_function): Handle case of setting
15682 virtual stack vars register (from built in setjmp); when parameter
15683 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15684 (subst_constant): Add new parm, MEMONLY.
15685 (expand_inline_function, integrate_parm_decls): Pass new parm.
15686 (integrate_decl_tree): Likewise.
15687 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15688 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15689 (copy_rtx_and_substitute, case SET): Add explicit calls to
15690 copy_rtx_and_substitute for both sides.
15692 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15694 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15695 within INDEX_TYPE, instead of before.
15696 (fixup_gotos): Use f->target_rtl, not the next insn,
15697 since latter may be from a later fixup.
15698 (expand_value_return): Correctly convert VAL when promoting function
15699 return; support RETURN_REG being a PARALLEL.
15700 (expand_return): When checking for result in regs and having
15701 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15703 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15705 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15706 last_nominal_fname): Mark const.
15707 (struct include_hash: name, nshort, control_macro): Mark
15709 (struct macrodef: symnam): Mark const.
15710 (struct if_stack: fname): Mark const.
15711 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15712 (IStable): New character-syntax array which encompasses all
15713 the old is_foo arrays.
15714 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15715 is_space): New macros for interrogating IStable.
15716 (check_macro_name): Kill last argument. All callers changed.
15718 * cppinit.c (initialize_char_syntax): Delete.
15719 (is_idchar, is_idstart, is_hor_space, is_space,
15720 trigraph_table): Delete.
15721 (IStable): New. Initialize with clever macros to avoid
15722 information duplication.
15723 (builtin_array): Table of builtins to get rid of explicit list
15724 in initialize_builtins.
15725 (initialize_builtins): Use builtins_array.
15726 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15727 opts->dollars_in_ident.
15729 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15731 (cpp_parse_expr): Avoid 'format string is not constant'
15732 warning. Use ISGRAPH to identify printable chars.
15733 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15735 (read_and_prescan): Map trigraphs to chars with open-coded
15736 if-else-if-... sequence, not a lookup table.
15737 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15739 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15740 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15741 (check_macro_name): Remove ability to report an invalid
15742 assertion name, which is never used.
15743 (do_line): Constify a couple of char *'s.
15744 * cppmain.c (main): Call cpp_cleanup before returning.
15746 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15748 * ggc.h (struct ggc_statistics): New type.
15749 (ggc_get_size): New function.
15750 (ggc_print_statistics): Likewise.
15751 * ggc-common.c (ggc_stats): New variable.
15752 (ggc_mark_rtx_children): Keep statistics.
15753 (ggc_mark_tree_children): Likewise.
15754 (ggc_print_statistics): New function.
15755 * ggc-page.c (struct globals): Add bytes_mapped field.
15756 (alloc_anon): Update it.
15757 (release_pages): Likewise.
15758 (ggc_get_size): New function.
15759 (ggc_page_print_statistics): New function.
15760 * ggc-simple.c (ggc_get_size): New function.
15762 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15764 * flow.c (propagate_block): When the last reference to a label
15765 before an ADDR_VEC is deleted because the reference is a dead
15766 store, delete the ADDR_VEC.
15768 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15770 * resource.c (find_free_register): Don't use the frame pointer
15771 if frame_pointer_needed.
15773 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15775 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15776 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15778 * config/i960/i960.c (i960_va_start): New locals base, num.
15779 Use INDIRECT_REF instead of ARRAY_REF on valist.
15780 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15782 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15784 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15786 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15788 * tree.def (PLACEHOLDER_EXPR): Update comments.
15790 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15792 * c-common.c (check_format_info): Avoid non-literal format string
15793 warnings when `first_arg_num' is zero.
15795 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15797 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15799 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15801 * arm.md (casesi_insn): Add a clobber of the condition code
15804 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15806 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15807 used by both cc1 and cc1plus.
15809 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15811 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15812 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15813 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15814 to the value 32 if it has not already been defined.
15815 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15816 Override definition in arm.h with a value of 8.
15818 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15820 * c-pragma.c (push_alignment): Don't check the return value
15823 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15825 * sparc.h (ADJUST_COST): Fix thinko.
15827 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15829 * cccp.c (rescan): Fixed obp pointer handling around call to
15830 check_expand subroutine.
15832 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15834 * gcse.c (delete_null_pointer_checks): Only record non-null info
15835 for pseudos when examining stores.
15837 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15838 splitters for these patterns. Use "#" for output templates.
15839 (addsi3_carryin_shift): New pattern.
15841 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15843 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15844 of the function return register into a plain REG until
15845 after function inlining is done.
15847 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15849 * jump.c (jump_optimize_1): If we did cross-jumping, and
15850 the data will matter, rebuild the CFG.
15851 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15852 not optimizing. Don't run shorten_branches.
15853 * toplev.c (rest_of_compilation): Run shorten_branches after
15856 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15858 * rtl.h (note_stores): Add additional paramter.
15859 * rtlanal.c (reg_set_p_1): Take additional paramter.
15860 (reg_set_last_1): Likewise.
15861 (reg_set_p): Adjust call to note_stores.
15862 (reg_set_last): Likewise.
15863 (note_stores): Pass data parameter to worker function.
15864 * alias.c (record_set): Take additional parameter.
15865 (init_alias_analysis): Pass it.
15866 * caller-save.c (mark_set_regs): Take additional parameter.
15867 (save_call_clobbered_regs): Pass NULL to note_stores.
15868 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15870 (record_dead_and_set_regs_1): Likewise.
15871 (reg_dead_at_p_1): Likewise.
15872 (combine_instructions): Adjust calls to note_stores.
15873 (try_combine): Likewise.
15874 (record_dead_insn): Remove.
15875 (record_dead_and_set_regs): Adjust calls to note_stores.
15876 (reg_dead_at_p): Likewise.
15877 * cse.c (invalidate_skipped_set): Take additional parameter.
15878 (cse_check_loop_start): Likewise.
15879 (cse_check_loop_start_value): Remove.
15880 (cse_set_around_loop): Adjust calls to note_stores.
15881 * flow.c (notice_stack_pointer_modification): Take additional
15882 parameter. Remove duplicate declaration.
15883 (record_volatile_insns): Adjust calls to note_stores.
15884 * gcse.c (record_set_info): Take additional parameter.
15885 (record_last_set_info): Likewise.
15886 (invalidate_nonnull_info): Likewise.
15887 (record_set_insn): Remove.
15888 (compute_sets): Adjust calls to note_stores.
15889 (last_set_insn): Remove.
15890 (compute_hash_table): Adjust calls to note_stores.
15891 (insert_insn_end_bb): Likewise.
15892 (delete_null_pointer_checks): Likewise.
15893 * global.c (mark_reg_store): Take additional parameter.
15894 (mark_reg_clobber): Likewise.
15895 (reg_becomes_live): Likewise.
15896 (global_conflicts): Adjust calls to note_stores.
15897 (build_insn_chain): Likewise.
15898 * integrate.c (note_modified_parmregs): Take additional parameter.
15899 (mark_stores): Likewise. Make it static.
15900 (save_for_inline_nocopy): Adjust calls to note_stores.
15901 (try_constants): Likewise.
15902 * integrate.h (mark_stores): Remove declaration.
15903 * jump.c (mark_modified_reg): Take additional parameter.
15904 (thread_jumps): Adjust calls to note_stores.
15905 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15907 (no_equiv): Likewise.
15908 (reg_is_set): Likewise.
15909 (validate_equiv_mem): Adjust calls to note_stores.
15910 (update_equiv_regs): Likewise.
15911 (block_alloc): Likewise.
15912 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15913 (note_addr_stored): Take additional parameter.
15914 (note_set_pseudo_multiple_uses): Likewise.
15915 (record_initial): Likewise.
15916 (prescan_loop): Adjust calls to note_stores.
15917 (strength_reduce): Likewise.
15918 (check_dbra_loop): Likewise.
15919 * regmove.c (flags_set_1): Take additional paramter.
15920 (mark_flags_life_zones): Adjust calls to note_stores.
15921 * reload1.c (mark_not_eliminable): Take additional parameter.
15922 (forget_old_reloads_1): Likewise.
15923 (reload_cse_invalidate_rtx): Likewise.
15924 (reload_cse_check_clobber): Likewise.
15925 (reload_combine_note_store): Likewise.
15926 (move2add_note_store): Likewise.
15927 (reload): Adjust calls to note_stores.
15928 (reload_as_needed): Likewise.
15929 (emit_reload_insns): Likewise.
15930 (reload_cse_regs_1): Likewise.
15931 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15932 (reload_combine): Adjust calls to note_stores.
15933 * resource.c (update_live_status): Take additional paramter.
15934 (mark_target_live_regs): Adjust calls to note_stores.
15935 * stupid.c (find_clobbered_regs): Take additional parameter.
15936 (stupid_life_analysis): Adjust calls to note_stores.
15938 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15940 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15943 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15946 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15947 of the variable arm_structure_size_boundary.
15949 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15951 * alias.c (init_alias_analysis): Allocate reg_known_value and
15952 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15954 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15955 * cse.c (cse_main): Call end_alias_analysis.
15956 * haifa-sched.c (schedule_insns): Likewise.
15957 * local-alloc. (update_equiv_regs): Likewise.
15958 * reload1.c (reload_cse_regs): Likewise.
15960 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15962 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15963 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15964 mapping from MASK_FPU.
15966 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15968 * sparc.md (call): Don't bound structure return size to 0xfff.
15970 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15972 * resource.c (mark_target_live_regs): Check that the target
15973 insn wasn't created after compute_bb_for_insn.
15975 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15977 * ggc-page.c (poison_pages): Don't be overzealous.
15979 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15981 * alias.c: Update comments for ADDRESS.
15982 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15983 it is a local memory reference.
15985 * c-typeck.c (build_function_call): Check that the built-in
15986 function is of class BUILT_IN_NORMAL before trying to recongize
15987 it as BUILT_IN_ABS.
15988 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15989 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15991 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15993 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15995 (pre_gcse): Likewise.
15996 (hoist_expr_reaches_here_p): Likewise.
15997 (hoist_code): Likewise.
15998 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16000 (pre_expr_reaches_here_p_work): ... here.
16001 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16003 (expr_reaches_here_p_work): ... here.
16005 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16007 * resource.c (find_basic_block): Delete.
16008 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16009 (init_resource_info): Call compute_bb_for_insn.
16011 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16013 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16014 with already adjacent blocks, but no fallthru.
16015 (merge_blocks_move_successor_nojumps): Simplify.
16016 (debug_flow_info): New.
16018 * toplev.c (rest_of_compilation): Open jump1 dump file before
16019 jump and close after, as opposed to just using dump_rtl.
16021 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16023 * reload.h (earlyclobber_operand_p): Declare.
16024 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16025 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16026 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16027 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16029 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16030 Richard Henderson <rth@cygnus.com>
16032 * emit-rtl.c (emit_block_insn_before): New.
16033 (emit_block_insn_after): New.
16034 * basic-block.h: Declare them.
16036 * bitmap.h: Protect from multiple inclusion.
16038 * recog.c (scratch_operand): Handle VOIDmode correctly.
16040 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16042 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16043 * function.c (assign_parms): Likewise.
16044 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16046 * reg-stack.c (max_uid): Remove.
16047 (blocks, block_begin, block_end, block_drops_in): Remove.
16048 (block_stack_in, block_out_reg_set, block_number): Remove.
16049 (struct block_info_def, BLOCK_INFO): New.
16050 (enum emit_where): New.
16051 (current_block): New.
16052 (BLOCK_NUM): Remove.
16053 (mark_regs_pat, record_label_references): Remove.
16054 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16056 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16057 (reg_to_stack): Simplified test for existance of fp code. Use
16058 flow.c code. Call shorten_branches after cross-jump opt.
16059 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16060 Return false if the asm doesn't use stack regs. Don't do life
16061 analysis on the asm.
16062 (emit_pop_insn): Replace function pointer arg `when' with
16063 enum `where'. Update all callers.
16064 (change_stack): Likewise. Update basic block end.
16065 (emit_swap_insn): Use current_block->head to limit reverse search
16066 for start of block. Use emit_block_insn_after.
16067 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16068 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16069 structure assignment instead of bcopy.
16070 (print_stack): New.
16071 (convert_regs_entry, convert_regs_exit): New.
16072 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16073 Work on basic blocks and the CFG.
16074 (convert_regs): Use them.
16076 * i386.c (output_fix_trunc): Remove code for DImode input operand
16077 not at top-of-stack.
16078 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16080 (fix_truncdi_1): Allow any mode scratch.
16082 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16084 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16085 * linux.h, netbsd.h, vms.h: Not here.
16087 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16089 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16090 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16091 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16092 CONDITIONAL_REGISTER_USEAGE): Use them.
16093 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16094 gen_conditional_branch,override_options) : Use them.
16095 * config/mips/mips.md : Use them.
16097 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16099 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16101 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16103 * integrate.c (function_cannot_inline_p): Don't allow inlining
16106 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16108 * c-parse.in (cast_expr): Constify.
16110 * cccp.c (special_symbol): Likewise.
16112 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16114 * dwarf2out.c (base_type_die): Likewise.
16116 * global.c (allocno_compare): Likewise.
16118 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16120 * regclass.c (fix_register): Likewise.
16122 * rtl.h (fix_register): Likewise.
16124 * stupid.c (stupid_reg_compare): Likewise.
16126 * toplev.c (decode_f_option): Likewise.
16128 * tree.c (build_complex_type): Likewise.
16130 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16132 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16134 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16136 * reload.c (find_reloads): Compute mode and nregs fields of all
16138 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16139 (calculate_needs): Use precomputed mode/nregs values.
16140 (allocate_reload_reg): Likewise.
16142 (failed_reload, set_reload_reg): ... new functions.
16143 (choose_reload_regs_init): New function, mostly broken out from...
16144 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16145 Also lose one #if 0 block.
16147 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16149 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16152 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16154 * tree.h (BLOCK_TYPE_TAGS): Remove.
16155 (BLOCK_END_NOTE): Likewise.
16156 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16157 (BLOCK_LIVE_RANGE_START): Likewise.
16158 (BLOCK_LIVE_RANGE_END): Likewise.
16159 (tree_block): Remove live_range_flag, live_range_var_flag, and
16160 type_tags. Remove end_note, live_range_start, and live_range_end.
16161 (remember_end_note): Remove prototype.
16162 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16163 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16165 * ggc-common.c (ggc_mark_tree_children): Don't mark
16166 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16167 * integrate.c (adjust_copied_decl_tree): Remove.
16168 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16169 * stmt.c (last_block_end_note): Remove.
16170 (init_stmt): Don't add a GC root for it.
16171 (expand_fixup): Don't set it.
16172 (remember_end_note): Remove.
16173 (expand_end_bindings): Don't set last_block_end_note.
16175 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16177 * reload1.c (reload_reg_free_for_value_p): Show
16178 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16181 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16183 * expmed.c (extract_bit_field): Allow for the case of non-integer
16184 objects that are smaller than a word (like SFmode on a 64-bit
16187 * loop.c (basic_induction_var): A non-integer variable which is
16188 being set by a paradoxical subreg is probably not a biv.
16190 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16192 * prefix.c (translate_name) Check for empty prefix string.
16194 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16196 * Makefile.in (CPP_CROSS_NAME): New variable.
16197 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16199 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16200 names of the files to be uninstalled.
16202 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16204 * collect2.c (IS_DIR_SEPARATOR): Define.
16205 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16207 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16210 * haifa-sched.c (add_dependence): Update the true dependency
16211 cache the first time we add a true dependence to the LOG_LINKS chain.
16213 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16215 * fold-const.c (fold): Fix comment.
16217 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16219 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16220 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16221 dbxout_start_new_source_file, dbxout_source_file,
16222 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16223 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16225 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16226 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16227 (dbxout_block): Initialize variable `blocknum'.
16229 * dbxout.h (dbxout_init, dbxout_finish,
16230 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16231 dbxout_args, dbxout_source_line): Constify a char*.
16233 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16234 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16235 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16236 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16237 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16238 src_info_attribute, mac_info_attribute, producer_attribute,
16239 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16240 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16241 dwarfout_undef): Constify a char*.
16242 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16244 * dwarfout.h (dwarfout_define, dwarfout_undef,
16245 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16247 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16249 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16250 (MULTILIB_ISA_DEFAULT): New.
16251 (MULTILIB_DEFAULTS): Use it.
16252 * config/mips/mips.c (): Remove the now unnecessary definition
16253 of MIPS_ISA_DEFAULT.
16254 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16255 unnecessary definition.
16257 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16259 * arm.md (pic_load_addr): Add constraints to operand 1.
16261 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16263 * fixinc/genfixes: Provide a means for specifying -D options to
16266 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16268 * arm.c (arm_override_options): Correct initialization of
16269 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16270 arm_is_strong, and arm_is_6_or_7.
16272 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16273 (note_set_pseudo_multiple_uses): New function.
16274 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16275 if a pseudo set in the loop exit is used elsewhere.
16277 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16279 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16281 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16283 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16284 a single load-address pattern.
16286 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16288 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16289 depending on whether or not line-number notes are present.
16291 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16293 * cccp.c (progname, file_buf, default_include, include_file,
16294 macrodef, definition, hashval, wchar_type, user_label_prefix,
16295 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16296 expand_to_temp_buffer, is_system_include, base_name,
16297 absolute_filename, read_name_map, open_include_file,
16298 record_control_macro, check_precompiled, check_preconditions,
16299 pcfinclude, pass_thru_directive, create_definition,
16300 check_macro_name, comp_def_part, collect_expansion,
16301 check_assertion, read_token_list, assertion_install,
16302 assertion_lookup, eval_if_expression, conditional_skip,
16303 validate_else, skip_quoted_string, quote_string, macarg1,
16304 error_from_errno, install, lookup, hashf, dump_defn_1,
16305 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16306 check_white_space, rescan, handle_directive, monthnames,
16307 special_symbol, do_include, remap_include_file, write_output,
16308 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16309 do_ident, do_sccs, do_xifdef, skip_if_group,
16310 output_line_directive, macroexpand, macarg, change_newlines,
16311 initialize_builtins, make_definition): Constify a char*.
16313 * pcp.h (stringdef): Likewise.
16315 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16317 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16320 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16321 Richard Henderson <rth@cygnus.com>
16323 * alias.c: Include ggc.h.
16324 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16325 (record_set): Verify enough room in reg_base_value.
16326 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16327 Register it as a GC root.
16328 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16329 * Makefile.in (alias.o): Depend on ggc.h.
16331 * unroll.c (unroll_loop): Verify the insn before a barrier
16332 is a JUMP_INSN before checking JUMP_LABEL.
16334 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16336 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16337 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16338 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16339 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16340 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16341 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16343 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16345 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16347 * alpha/alpha-interix.h (text_section): Delete prototype.
16348 * alpha/elf.h (text_section): Likewise.
16349 * arm/linux-elf.h (text_section): Likewise.
16350 * arm/linux-telf.h (text_section): Likewise.
16351 * c4x/c4x.h (text_section): Likewise.
16352 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16353 * elfos.h (text_section): Likewise.
16354 * i386/aix386ng.h (text_section): Likewise.
16355 * i386/i386-interix.h (text_section): Likewise.
16356 * i386/sco5.h (text_section): Likewise.
16357 * i386/svr3gas.h (text_section): Likewise.
16358 * nextstep.h (text_section): Likewise.
16359 * psos.h (text_section): Likewise.
16360 * ptx4.h (text_section): Likewise.
16361 * svr3.h (text_section): Likewise.
16362 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16364 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16366 * final.c (peephole): Delete prototype.
16368 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16369 (pre_insert_copies): Remove unused variable `bb'.
16371 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16374 * output.h (peephole): Add prototype.
16376 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16378 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16381 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16383 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16384 for inlined declarations.
16386 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16388 * arm.c (logical_binary_operator): New fucntion.
16389 * arm.h (logical_binary_operator): Declare it.
16390 (PREDICATE_CODES): Handle logical_binary_operator.
16391 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16392 output constraints. Add appropriate splitters.
16393 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16394 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16395 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16397 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16399 * genoutput.c (struct operand_data): New elt eliminable.
16400 (output_operand_data): Write it.
16401 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16402 (compare_operands): Take it into account.
16403 * recog.h (struct insn_operand_data): New elt eliminable.
16404 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16406 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16407 (eliminate_regs): Move code that detects changes to elimination
16408 target regs into new function elimination_effects.
16409 Delete one #if 0 block.
16410 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16411 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16412 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16413 Only call eliminate_regs for real operands of the insn, not for parts
16414 of its structure or parts matched by things like match_operator.
16415 Use elimination_effects and check_eliminable_occurrences. Use
16416 copy_insn to duplicate the pattern when not in the final pass.
16418 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16420 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16423 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16425 * fixinc/README: document the "mach" machine matching test
16426 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16427 * fixinc/fixtests.c: Implement the #else/#endif label test
16428 * fixinc/inclhack.def: utilize these tests and fixes
16429 * fixinc/inclhack.sh: regen
16430 * fixinc/fixincl.x: regen
16431 * fixinc/fixincl.sh: regen
16433 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16435 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16438 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16440 * gcc.1: Document exit codes.
16442 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16444 * calls.c: Include tm_p.h later, so everything we need is defined.
16445 * expr.c: Likewise.
16446 * function.c: Likewise.
16448 * except.c: Include tm_p.h.
16450 * sparc.c: Likewise.
16451 (dwarf2out_cfi_label): Don't prototype.
16452 (check_return_regs, epilogue_renumber,
16453 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16454 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16455 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16456 ultra_schedule_insn): Add static prototype.
16457 (data_segment_operand, text_segment_operand): Call itself with the
16458 proper number of arguments.
16459 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16461 * sparc.h: Move all declarations to sparc-protos.h.
16462 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16465 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16467 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16469 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16470 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16471 ASM_OUTPUT_ASCII): Constify a char*.
16473 * sparc-protos.h: New file for sparc prototypes.
16475 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16477 * function.c (record_insns, contains): Always declare and define.
16478 (record_insns): Mark with ATTRIBUTE_UNUSED.
16480 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16482 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16483 to .section when outputting a .bss section to deal with multiple
16484 .bss input sections (as happens with -fdata-sections)
16485 Also output %progbits, not @progbits so the assembler doesn't treat as
16487 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16489 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16490 thumb parts even when building with non-thumb CPUs, by forcing
16493 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16495 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16496 (movdf_const_intreg_sp64): Similarly.
16498 * local-alloc.c (update_equiv_regs): Check the correct insn
16499 for pre-existing REG_EQUIV notes.
16501 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16503 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16504 block reached by a branch if we're not going to actually process
16507 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16509 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16510 a local extern function declaration.
16512 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16514 * i386.c (ix86_expand_prologue): Properly wrap USE around
16515 reg for CALL_INSN_FUNCTION_USAGE.
16517 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16519 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16520 move between GP_REGs.
16522 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16524 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16525 the mode size when finding out if an offset is legal.
16527 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16529 * basic-block.h (PROP_*): Move constants from ...
16530 * flow.c: ... here.
16531 (compute_bb_for_insn): Free the array before reallocating.
16532 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16533 (allocate_reg_life_data): Reset all reg variables collected by
16535 (get_block_head_tail): Don't convert from bb to block.
16536 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16537 (find_insn_reg_weight): Take block not bb.
16538 (schedule_block): Don't set block num for moved insns.
16539 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16540 (schedule_insns): Do it here instead.
16541 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16542 before update_life_info.
16543 * recog.c (split_all_insns, peephole2_optimize): Update for
16544 new arg to update_life_info.
16545 * rtlanal.c (remove_note): Cope with NULL note.
16546 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16549 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16551 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16553 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16554 block records so that merge_blocks_nomove will clean up correctly.
16555 (split_edge): Handle casesi insns.
16557 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16559 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16561 * pa.md (call, call_value): Do not emit a blockage after restoring
16564 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16566 * c-typeck.c (c_expand_asm_operands): Fix typo.
16568 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16570 * arm.c (fpu_rhs_operand): Verify modes.
16571 (fpu_add_operand): Likewise.
16572 (di_operand): Likewise.
16573 (soft_df_operand): Likewise.
16575 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16577 * arm.c (arm_return_in_memory): APCS rules state that the elements
16578 of a structure returned in a register must be 'integer-like'.
16580 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16582 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16583 in the source tree when the generated targets are out of date
16584 * fixinc/genfixes: Alter it to run individual fixes for make.
16585 * fixinc/README: rewrite
16586 * fixinc/inclhack.def: moved initial comments to README
16588 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16590 * toplev.c (main): Do not generate an error message if an
16591 unrecognised command line switch is recognisable by another
16592 language. If extra_warnings are enabled, then generate a
16593 warning message instead.
16595 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16597 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16598 (insert_pack_attributes): Delete prototype.
16600 * c-pragma.c (default_alignment): New static variable.
16601 (push_alignment): Initialize to current effective alignment.
16602 (pop_alignment): Use to set new alignment.
16603 (insert_pack_attributes): Delete function.
16604 (handle_pragma_token): Set default_alignment as well each time
16605 a #pragma pack(<n>) is encountered.
16607 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16609 * reg-stack.c (stack_result): Aggregates are not returned in
16612 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16614 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16616 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16618 * basic-block.h (set_block_num): Declare.
16619 * flow.c (update_life_info): Don't call compute_bb_for_insn
16620 or free_basic_block_vars.
16621 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16622 (insn_orig_block): Remove.
16623 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16624 (schedule_block): Keep BLOCK_NUM up-to-date.
16625 (schedule_insns): Use compute_bb_for_insn.
16626 * recog.c (split_all_insns): Likewise.
16627 (peephole2_optimize): Likewise.
16629 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16631 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16632 if the pic register is used.
16634 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16636 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16637 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16638 if that tests TREE_PERMANENT.
16640 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16642 * cse.c (invalidate_for_call): Do not remove memory references from
16643 the table here. It's handled elsewhere.
16645 * haifa-sched.c (add_dependence): Protect references to the
16646 true dependency cache with #ifdef INSN_SCHEDULING.
16647 (remove_dependence): Similarly.
16649 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16650 to the cfg code that this is a return instruction.
16651 * mn10300.md (return_internal): Similarly.
16653 * combine.c (get_last_value): If the last set of a register
16654 is after subst_low_cuid, then we can not use it to determine
16655 the register's last value.
16657 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16659 * Makefile.in: Back out previous change.
16661 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16663 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16665 * haifa-sched.c (add_dependence): Only check/update the cache
16667 (remove_dependence): Likewise.
16668 (schedule_insns): Only create the true_dependency_cache if the
16669 average number of instructions in a basic block is very large.
16671 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16673 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16674 (ggc-simple.o): Likewise.
16675 (ggc-page.o): Likewise.
16677 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16679 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16680 Prototype for exported functions.
16681 (pre_lcm, pre_rev_lcm): Remove prototypes.
16682 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16683 (compute_available): Move to lcm.c, and change parameter order.
16684 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16685 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16686 (gcse_main): No longer call compute_preds_succs. Rebuild the
16687 set table after reach pre pass.
16688 (pre_insert_map, pre_delete_map, edge_list): New.
16689 (alloc_pre_mem): Allocate edge vectors.
16690 (free_pre_mem): Delete edge vectors.
16691 (compute_pre_data): Call new edge based lcm routines.
16692 (process_insert_insn): New function.
16693 (insert_insn_end_bb): Use it.
16694 (pre_edge_insert): New function.
16695 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16697 (pre_insert_copies): Revamp using new edge based lcm outputs.
16698 (pre_delete): Likewise.
16699 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16701 (compute_code_hoist_vbeinout): New new edge based routines.
16702 * lcm.c: Remove all the old LCM functions. Replace with new ones
16703 that work with the new cfg datastructures and work with edges
16706 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16708 * reload.h (struct reload): Add new fields "mode" and "nregs".
16709 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16710 to reference the "mode" and "nregs" field within struct reload.
16712 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16714 * haifa-sched.c (true_dependency_cache): New.
16715 (add_dependence): Use the true dependency cache to avoid expensive
16716 walks down the LOG_LINKS dependency list. Add entries to the
16717 cache as necessary.
16718 (remove_dependence): Remove entries from the true dependency cache
16720 (schedule_insns): Allocate and initialize and free the true
16723 * haifa-sched.c (schedule_insns): Do not remove inter-block
16724 dependencies anymore.
16726 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16728 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16729 * i386/t-winnt: Likewise.
16731 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16733 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16735 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16737 * Makefile.in (LANGUAGES): Omit "proto".
16738 (clean): Remove stale comment about removing unprotoize.c.
16740 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16742 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16743 using arithmetic on void pointers.
16745 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16747 * haifa-sched.c (compute_block_forward_dependencies): Only check
16748 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16750 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16752 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16753 (expr_equiv_p): Reject memories with different alias sets.
16755 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16757 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16758 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16759 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16760 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16761 (lang_init): Set default for flag_bounds_check if still "unspecified".
16763 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16765 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16767 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16769 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16772 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16774 * config/c4x/c4x.md (*db_noclobber,
16775 *decrement_and_branch_until_zero_noclobber): New patterns and
16776 associated splitters.
16778 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16780 * config/c4x/c4x.md (parallel instruction patterns): Rework
16781 constraints to keep reload happy.
16783 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16785 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16786 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16787 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16788 Add new patterns and associated post-reload splitters.
16790 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16792 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16794 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16796 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16798 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16800 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16802 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16805 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16807 * pa.c (move_operand): Rely on memory_address_p to determine the
16808 validity of non-indexed memory addresses.
16809 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16810 operand in DFmode and SFmode when generating PA2.0 code.
16812 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16814 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16816 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16818 * mips.c (function_prologue): Fix argument types.
16819 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16820 (casesi_internal): Write to the scratch register.
16822 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16824 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16826 (parse_charconst): Delete unnecessary cast when calling
16828 (cpplib.h): Kill prototype of cpp_parse_escape.
16830 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16832 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16833 * unroll.c (unroll_loop): Cast return value of alloca.
16834 * i370/i370.c: Include function.h and toplev.h.
16835 (i370_label_scan): Remove c++ commented abort.
16836 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16837 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16838 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16839 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16841 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16843 * config/t-freebsd: Do not override USER_H.
16844 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16846 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16847 Mumit Khan <khan@xraylith.wisc.edu>
16849 * c-parse.in (component_decl): Support anonymous struct/union.
16851 * c-parse.y: Regenerate.
16852 * c-parse.c: Likewise.
16853 * objc/objc-parse.y: Likewise.
16854 * objc/objc-parse.c: Likewise.
16855 * c-decl.c (finish_struct): Don't sort the fields.
16856 (field_decl_cmp): Delete unused function.
16858 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16860 * sparc.md (movsf_const_intreg): Revert last constraint change.
16861 (movdf_const_intreg_sp32): Likewise.
16863 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16865 * cse.c: Include hashtab.h instead of splay-tree.h
16866 (struct cse_reg_info): No longer use variant union. Add new
16867 field "regno". All references changed to avoid union.
16868 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16869 (free_cse_reg_info): Remove.
16870 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16871 (get_cse_reg_info): Revamp to use expandable hash tables instead
16872 of splay trees. Initialize new fields in cse_reg_info structure.
16873 (new_basic_block): Similarly.
16875 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16877 * genrecog.c (message_with_line): Prototype.
16878 (validate_pattern): Pass along the set for the dest, not a flag.
16879 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16880 Check for PC/CC0 as sources.
16881 (nodes_identical): Check for children position match before
16882 allowing the combination.
16884 * rtl.c (read_rtx): Track line number across \\\n.
16886 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16888 * mips.h (SPECIAL_MODE_PREDICATES): New.
16889 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16890 (movdi+1, movsi+1): Add output reload constraint.
16891 (casesi_internal): Likewise. Fix commentary.
16892 (return_internal): Use pmode_register_operand.
16894 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16896 * 1750a.md (movstrqi): Add missing output reload constraint.
16897 (call_value): Likewise.
16898 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16899 (jmpfdec): Add missing inout reload constraint.
16900 * elxsi.md (addsi patterns): Add missing output reload constraint.
16901 (move from sp): Use @ alternates.
16902 (call_value): No constraint on output.
16903 * fr30.md (movsi_pop): Add missing output reload constraint.
16904 (movsf_constant_store): Likewise.
16905 (splits): Remove constraints.
16906 (subsi3): Add missing mode.
16907 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16908 (call_value): Likewise.
16909 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16910 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16911 * m32r.md (movsicc_internal): Add output reload constraint.
16912 (movstrsi_internal): Add inout reload constraints.
16913 * m88k.h (reg_names): Don't declare.
16914 (SPECIAL_MODE_PREDICATES): New.
16915 * m88k.md (*): Use register_operand not reg_or_0_operand
16917 * mn10200.h (PREDICATE_CODES): New.
16918 * ns32k.md (ffs pattern): Add output reload constraint.
16919 * pdp11.md (sob pattern): Add inout reload constraint.
16920 * sh.md (splits): Remove constraints.
16921 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16922 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16923 * vax.md (jgequ pattern): Add inout reload constraint.
16925 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16927 * configure.in (djgpp): Revert previous patch.
16928 * configure: Rebuit.
16929 * config/i386/djgpp.h: Revert previous patch.
16931 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16933 * fixinc/inclhack.def: Restore patch lost during last merge of
16934 "no_bogosity" branch.
16935 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16937 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16939 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16940 * fixinc/inclhack.def: Same.
16941 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16943 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16945 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16946 as the base of a PLUS.
16948 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16950 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16951 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16953 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16955 * pa.md (post_stw+1): Use pmode_register_operand.
16956 (dcacheflush, icacheflush): Likewise.
16958 * i386.md (movstricthi_1): Allow r/r.
16960 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16962 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16963 to (not (and (arg0) (arg1))). Similary for and.
16965 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16966 fallthrough to associate code.
16967 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16970 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16971 no bits in common; remove XOR to ROTATE conversion.
16973 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16975 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16977 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16979 * config/c4x/c4x.c (dst_operand): New.
16980 (PREDICATE_CODES): Update.
16981 * config/c4x/c4x.h (dst_operand): Declare it.
16982 * config/c4x/c4x.md: Define mode for each unspec usage.
16983 (move patterns): Use dst_operand predicate instead of src_operand.
16984 (movqi_update, movqf_update): Delete.
16986 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16988 * recog.c (pmode_register_operand): New.
16989 * recog.h: Declare it.
16990 * genrecog.c (pred_codes): Likewise.
16991 (special_mode_pred_table): Likewise.
16992 (validate_pattern): Don't warn no mode for address_operand.
16994 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16995 if the operand is not insn-like.
16997 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16998 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17000 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17002 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17004 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17005 instead of general_operand in a SET_DEST. Use const_double_operand
17006 instead of an explicit test against CONST_DOUBLE.
17007 (movsf_const_lo): Add missing register mode.
17008 (goto_handler_and_restore): Add auxiliary test for Pmode.
17009 (flush): Adjust to use address_operand.
17010 (return_sf_no_fpu): Add missing output constraint.
17012 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17014 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17015 for call return value.
17016 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17018 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17020 * toplev.c (main): Only warn about options for other languages.
17021 * collect2.c (main): Pass -w to sub-gcc.
17023 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17025 * flow.c (propagate_block): Add call-clobbered registers to
17028 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17029 zapping mem_set_list.
17030 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17031 (mark_set_1, mark_used_regs): Likewise.
17033 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17035 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17037 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17039 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17040 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17041 options. Also add a new item "C-only Warning Options" to the
17044 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17046 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17047 from multiple calls.
17049 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17051 * i386.md (call value patterns): Move to the end of the file.
17052 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17054 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17056 * configure.in (djgpp configuration): Define extra_objects..
17057 * configure: Rebuilt.
17058 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17059 (DTORS_SECTION_ASM_OP): Define.
17060 (INIT_SECTION_ASM_OP): Define.
17061 (FINI_SECTION_ASM_OP): Define.
17062 (DATA_SECTION_ASM_OP): Define.
17063 (TEXT_SECTION_ASM_OP): Define.
17064 (EH_FRAME_SECTION_ASM_OP): Define.
17065 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17066 (STARTFILE_SPEC): Add crtbegin.o.
17067 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17068 to here from LINK_COMMAND_SPEC.
17069 (DO_GLOBAL_CTORS_BODY): Define.
17070 (CRTSTUFF_USE_FINI_SECTION): Define
17071 (HAS_INIT_SECTION): Delete.
17073 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17075 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17077 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17079 * pa.h (PREDICATE_CODES): New.
17081 * genrecog.c (validate_pattern): Condense the destination
17082 non-lvalue message.
17084 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17086 * alpha.md (call-1): Supply missing mode for operator.
17087 (*): Add missing output reload constraints. Remove constraints
17088 from define_splits.
17090 * i386.h (SPECIAL_MODE_PREDICATES): New.
17091 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17092 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17093 (addsi_lea_3): Add missing mode for op 3.
17094 (prologue_set_got, prologue_get_pc): Add missing modes.
17095 (*) Add missing output reload constraints.
17097 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17099 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17100 check for member bit-size overflow and use var_size if it occurs.
17101 (layout_record): Use bitsize_int() to define the type size in bits.
17102 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17103 (layout_decl): Likewise when assigning to DECL_SIZE.
17105 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17107 * genrecog.c (validate_pattern): Typo last change. Verify
17108 that output operands have output reloads.
17110 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17112 * genrecog.c (special_mode_pred_table): New.
17113 (NUM_SPECIAL_MODE_PREDS): New.
17114 (find_operand): New.
17115 (validate_pattern): New argument `insn'. Warn for assignment to
17116 any predicate accepting non-lvalues. Conditionaly warn for
17117 match_operand without a mode. Try much harder to match source
17118 and destination modes on a set.
17119 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17121 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17123 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17125 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17127 * combine.c (simplify_logical): Recognize xor pattern that encodes
17130 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17132 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17135 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17137 * ggc-page.c (MAP_FAILED): Provide default.
17139 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17141 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17142 * sparc.h (PREDICATE_CODES): Update.
17144 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17146 * alpha.c (some_ni_operand): New.
17147 * alpha-protos.h: Declare it.
17148 * alpha.h (PREDICATE_CODES): Update.
17149 * alpha.md (sXaddq reload insns): Use some_ni_operand
17150 for SET_DEST instead of some_operand.
17152 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17153 Jim Wilson <wilson@cygnus.com>
17155 * genrecog.c (maybe_both_true_2): Don't compare modes of
17157 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17158 after find_afterward.
17159 (debug_decision_1): Dump next and afterward codes.
17161 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17163 * rtl.c (dump_and_abort): Remove.
17164 (fatal_with_file_and_line): New.
17165 (fatal_expected_char): New.
17166 (read_rtx_lineno, read_rtx_filename): New.
17167 (read_skip_spaces): Track line number.
17168 (read_name): Use fatal_with_file_and_line.
17169 (read_rtx): Use fatal_expected_char. Track line number.
17170 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17172 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17173 if it isn't a CODE_LABEL.
17175 * genattr.c (main): Set read_rtx_filename.
17176 * genattrtab.c (main): Likewise.
17177 * gencodes.c (main): Likewise.
17178 * genconfig.c (main): Likewise.
17179 * genemit.c (main): Likewise.
17180 * genextract.c (main): Likewise.
17181 * genflags.c (main): Likewise.
17182 * genopinit.c (main): Likewise.
17183 * genoutput.c (main): Likewise.
17184 * genpeep.c (main): Likewise.
17186 * genrecog.c (decision_test.u.insn): Add `lineno'.
17187 (pattern_lineno, error_count): New variables.
17188 (message_with_line): New.
17189 (add_to_sequence): Break out checking code to ...
17190 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17191 (merge_insn): Use message_with_line.
17192 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17193 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17195 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17197 * expr.c (store_constructor): Clear union if constructor is empty.
17199 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17201 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17202 Add !endian checks. Change %{...} to %(...).
17204 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17206 * i386.md (*addsi3_cc): Renamed from addcsi3.
17207 (*addsi3_carry): Renamed from addxsi3.
17208 (*subsi3_cc): Renamed from subcsi3.
17209 (*subsi3_carry): Renamed from subxsi3.
17210 (*xorqi_cc_1): Renamed from xorcqi_1.
17211 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17212 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17214 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17216 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17217 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17219 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17221 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17222 climb up the chain of insns.
17224 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17226 * genrecog.c (write_subroutine): Careful for null trees.
17227 (process_tree): Don't elide empty functions.
17229 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17231 * Makefile.in (genrtl.o): Depend on ggc.h.
17232 * configure.in (valloc): Probe for it.
17233 (with-gc): Use ggc-page if valloc present.
17234 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17235 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17236 (ggc_alloc_string): Moved from ggc-page.c.
17237 * ggc-none.c (ggc_alloc_obj): New.
17238 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17239 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17240 (struct globals): Likewise for dev_zero_fd.
17241 (init_ggc): Likewise for it's initialization.
17242 (ggc_allocated_p): Move careful dereference from ...
17243 (ggc_lookup_page_table): ... here. Delete.
17244 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17245 (alloc_anon): Use valloc if no mmap.
17246 (release_pages): Use free if using valloc.
17247 (ggc_alloc_obj): Renamed from alloc_obj.
17248 (ggc_set_mark): Renamed from mark_obj.
17249 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17250 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17251 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17252 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17253 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17254 (ggc_collect): Use fp printing instead of our own rounding.
17255 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17256 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17257 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17258 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17259 (struct ggc_string, struct ggc_any): Delete.
17260 (offsetof): Provide default definition.
17261 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17263 (struct ggc_mem): New, from corpse of ggc_any.
17264 (struct ggc_status): Delete.
17265 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17266 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17267 (n_strings_collected, n_anys_collected): Delete.
17268 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17269 (ggc_alloc_string, ggc_alloc): Delete.
17270 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17271 (ggc_free_string, ggc_free_any): Delete.
17272 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17273 (ggc_compare_addresses, ggc_mark_string): Delete.
17274 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17275 (search_data): Delete.
17276 (struct globals): New.
17277 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17278 (tree_insert, tree_lookup): New.
17279 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17280 (clear_marks, sweep_objs): New.
17281 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17282 (init_ggc): Set allocated_last_gc.
17283 (ggc_push_context): Gut. Use G.context.
17284 (ggc_pop_context): Likewise.
17285 (ggc_pop_context_1): New.
17286 (debug_ggc_tree): New.
17287 (debug_ggc_balance, tally_leaves): New.
17288 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17289 (ggc_mark_string_if_gcable): Remove decl.
17290 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17291 (ggc_mark_rtvec_children): New.
17292 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17293 (ggc_mark_if_gcable): New decl.
17294 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17295 (ggc_alloc_tree, ggc_alloc): Likewise.
17296 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17297 (ggc_alloc_obj): New decl.
17298 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17299 (ggc_alloc_tree, ggc_alloc): Likewise.
17300 (ggc_set_mark): New decl.
17301 * rtl.h (struct rtx_def): Remove gc_mark.
17302 (struct rtvec_def): Likewise.
17303 * tree.h (struct tree_common): Likewise.
17305 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17307 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17308 float_format and thread_file definitions.
17309 * configure: Rebuilt.
17311 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17313 * extend.texi (Function Names): Document types of function names.
17315 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17317 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17318 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17320 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17322 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17324 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17326 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17328 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17330 * collect2.c (main): Do prelimnary link on AIX if rflag.
17332 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17334 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17335 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17337 (__do_global_dtors): similarly for __DTOR_LIST__.
17339 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17340 Diego Novillo <dnovillo@cygnus.com>
17342 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17345 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17347 * fixincl/*: Merged "no_bogosity" branch
17348 * fixincl/fixlib.h: protect against doubly defining t_bool
17349 * fixincl/server.h: protect against doubly defining t_bool
17351 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17353 * genoutput.c: Include toplev.h.
17355 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17357 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17359 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17360 * configure: Regenerate.
17362 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17364 * gcse.c (delete_null_pointer_checks): Returns void.
17366 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17368 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17369 * emit-rtl.c (copy_insn_1): Likewise.
17371 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17373 * config/mips/mips.c (mips_build_va_list): Correct
17374 TREE_CHAIN setting when hard-float.
17375 (mips_va_start): Use corrected setting.
17376 (mips_va_arg): Likewise. Also pass a tree to build of
17377 POSTINCREMENT_EXPR rather than a naked 'int'.
17379 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17381 * ggc.h (ggc_push_context): Fix comment.
17382 (ggc_pop_context): Likewise.
17383 (mark_string_if_gcable): Likewise.
17384 * ggc-common.c (ggc_mark_rtx_children): Use
17385 ggc_mark_string_if_gcable.
17386 * ggc-page.c (ggc_lookup_page_table): New function.
17387 (ggc_allocated_p): Likewise.
17388 (mark_obj): Fix formatting.
17389 (ggc_mark_string_if_gcable): New function.
17390 * ggc-simple.c (ggc_allocated_strings): New variable.
17391 (ggc_strings_used): Likewise.
17392 (ggc_compare_addresses): New function.
17393 (ggc_pop_context): Pop the `any' memory too.
17394 (ggc_mark_string_if_gcable): New function.
17395 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17397 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17399 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17400 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17401 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17404 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17406 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17407 (sched_reg_live_length, sched_reg_basic_block): Delete.
17408 (current_block_num, bb_live_regs, old_live_regs): Delete.
17409 (dead_notes, struct sometimes): Delete.
17410 (sched_note_set, birthing_insn_p): Delete.
17411 (adjust_priority): Gut useless reg lifetime code.
17412 (create_reg_dead_note, attach_deaths): Delete.
17413 (attach_deaths_insn, new_sometimes_live): Delete.
17414 (finish_sometimes_live): Delete.
17415 (find_pre_sched_live, find_post_sched_live): Delete.
17416 (update_reg_usage): Delete.
17417 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17418 (schedule_insns): Delete reg lifetime code.
17419 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17420 (unlink_other_notes): Adjust REG_NOTE commentary.
17421 (reemit_notes): Use REG_SAVE_NOTE.
17422 (schedule_block): Likewise.
17423 (schedule_region): Allocate bitmap of blocks in region. Use
17424 count_or_remove_death_notes. Use update_life_info.
17426 * rtl.h (REG_SAVE_NOTE): New.
17427 * rtl.c (reg_note_name): Update.
17429 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17431 * combine.c (refresh_blocks, need_refresh): New.
17432 (combine_instructions): Allocate refresh_blocks. Invoke
17433 update_life_info if needed.
17434 (distribute_notes): Mark refresh_blocks instead of installing
17436 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17437 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17439 * Makefile.in (recog.o): Depend on basic-block.h.
17441 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17443 * genrecog.c (add_to_sequence): Thinko last change: delete
17444 shadowing allow_const_int variable.
17446 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17448 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17449 __GNUC__ and __GNUC_MINOR__.
17451 * gansidecl.h: Likewise.
17457 * toplev.h: Likewise.
17459 * tree.c: Likewise.
17461 * tree.h: Likewise.
17463 * varray.c: Likewise.
17465 * varray.h: Likewise.
17467 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17469 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17470 use one before a jump table.
17472 * rtl.def (ADDRESS): Change documentation to match reality.
17473 * md.texi: Don't document it.
17474 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17477 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17479 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17481 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17482 known predicate block; default allow_const_int true.
17483 (debug_decision_list): New.
17485 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17487 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17489 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17491 * gcse.c (gcse_main): Avoid global optimizations if we have a
17492 large number of basic blocks and the ratio of edges to blocks
17494 (delete_null_pointer_checks): Likewise.
17496 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17498 * c-common.c (check_format_info): Warn if format string isn't a
17501 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17503 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17504 * configure: regenerate
17506 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17508 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17509 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17510 (peepholes): Re-enable.
17512 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17514 * Makefile.in (flow.o): Depend on TREE_H.
17515 * basic-block.h (REG_SET_EQUAL_P): New.
17516 (XOR_REG_SET): New.
17517 (n_edges): Declare.
17518 (free_regset_vector): Remove declaration.
17519 (flow_delete_insn_chain): Declare.
17520 (enum update_life_extent): New.
17521 (update_life_info, count_or_remove_death_notes): Declare.
17522 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17523 Verify register live at bb->global_live_at_start before adding USE.
17524 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17525 (CLEAN_ALLOCA): New.
17527 (PROP_*): New flags.
17528 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17529 (clear_edges): Zero n_edges.
17530 (make_edge): Increment n_edges.
17531 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17532 (flow_delete_insn_chain): Export.
17533 (delete_block): Decrement n_edges.
17534 (merge_blocks_nomove): Likewise.
17535 (life_analysis): Give life_analysis_1 PROP flags.
17536 (verify_wide_reg_1, verify_wide_reg): New.
17537 (verify_local_live_at_start): New.
17538 (update_life_info): Rewrite to call into propogate_block.
17540 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17541 always mark stack pointer. Conditionally mark PIC register.
17542 After reload, mark call-saved registers, return regsiters.
17543 (life_analysis_1): Accept PROP flags not remove_dead_code.
17544 Call mark_regs_live_at_end before zeroing regs_ever_live.
17545 Use calculate_global_regs_live. Copy global_live_at_end before
17546 calling final propagate_block. Zero reg_next_use on exit.
17547 (calculate_global_regs_live): New.
17548 (allocate_bb_life_data): Don't allocate bb->local_set.
17549 (init_regset_vector, free_regset_vector): Remove.
17550 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17551 Test flags before every operation. Warn if prologue/epilogue insn
17552 would have been deleted.
17553 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17554 Use alloc_EXPR_LIST.
17555 (mark_used_regs): Accept and use FLAGS, not FINAL.
17556 Remove special handling for RETURN.
17557 (try_pre_increment): Use alloc_EXPR_LIST.
17558 (dump_flow_info): Dump n_edges.
17559 (unlink_insn_chain, split_hard_reg_notes): Remove.
17560 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17561 (find_insn_with_note, new_insn_dead_notes): Remove.
17562 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17563 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17564 (replace_insns): Remove.
17565 (count_or_remove_death_notes): New.
17566 (verify_flow_info): Abort on error after all checks.
17567 (remove_edge): Decrement n_edges.
17568 (remove_fake_edges): Tweak format.
17569 * haifa-sched.c (schedule_insns): Use split_all_insns.
17570 * output.h (update_life_info): Remove declaration.
17571 * recog.c (split_all_insns): From the corpse of split_block_insns,
17572 do the whole function block by block. Use update_life_info.
17573 (recog_last_allowed_insn): New.
17574 (recog_next_insn): Mind it.
17575 (peephole2_optimize): Set it. Walk backwards through blocks.
17576 Use update_life_info.
17577 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17578 (split_all_insns): Declare.
17579 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17580 Use split_all_insns.
17582 * i386.md (or -1 peep2s): Disable.
17584 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17586 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17587 a single pattern. Scrap the 'd' versions as unnecessary.
17589 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17590 tablejump_mips162,tablejump_internal4): The operands to a
17591 label_ref must be VOIDmode.
17593 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17595 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17597 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17599 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17601 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17603 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17604 cache every function if ggc_p.
17606 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17608 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17609 instead of copy_rtx. Accept sequences that contain asm statements.
17610 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17611 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17612 orig_asm_operands_vector, copy_asm_operands_vector,
17613 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17615 * rtl.h (copy_insn, copy_insn_1): Declare.
17617 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17619 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17621 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17622 arguments to `current_file_function_operand'.
17624 * genrecog.c: Include hard-reg-set.h and resource.h in the
17625 generated output file.
17627 * real.c: Include tm_p.h.
17629 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17631 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17634 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17636 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17637 before the fctiwz insn.
17639 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17640 Mark Mitchell <mark@codesourcery.com>
17642 * tree.c (make_lang_type_fn): New funtion pointer.
17643 (make_lang_type): Call it.
17644 * tree.h (make_lang_type): Declare.
17645 (make_lang_type_fn): Likewise.
17646 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17648 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17650 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17651 make sure that HIGH instructions are copied into BASE_REGS.
17653 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17655 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17657 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17659 * c-decl.c (finish_struct): Use simpler method of
17660 removing elements of a singly-linked list.
17662 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17664 * alpha.md (peephole2's): Comment out peephole2's that generate
17667 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17669 * genrecog.c (add_to_sequence): Disable mode check for
17672 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17674 * ggc-simple.c (init_ggc): Set empty_string.
17676 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17678 * configure.in: Detect mmap. Add --with-gc=foo to select
17679 garbage collector; default to page if mmap available.
17680 * Makefile.in (GGC): Substitute.
17682 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17684 * c-decl.c (ggc_p): Enable.
17686 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17688 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17690 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17692 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17693 string for little-endian-data.
17695 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17697 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17698 case somebody tries to compile --enable-checking code with gcc
17701 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17703 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17706 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17708 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17709 * jump.c (jump_optimize_1): Document why.
17711 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17713 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17714 pointers and casts for `int_handler' and `quit_handler'.
17716 * flow.c (verify_flow_info, split_hard_reg_notes,
17717 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17718 remove_edge, remove_fake_successors): Add static prototypes.
17719 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17720 (mark_set_1): Initialize variable `regno'.
17721 (unlink_insn_chain): Likewise for variable `curr'.
17722 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17724 * loop.c (strength_reduce): Initialize variable
17725 `unrolled_insn_copies'.
17726 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17727 prototypes. Change these functions to take const PTR parameters
17728 to avoid prototype conflict when used as the comparson argument
17730 (check_dbra_loop): Initialize variable `comparison_val'.
17732 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17733 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17734 (find_valid_class): Initialize variable `best_class'.
17735 (find_reloads): Call memcpy, not bcopy.
17737 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17738 (hard_reg_use_compare): Don't needlessly cast away const.
17739 (reload_reg_class_lower): Likewise.
17740 (choose_reload_regs): Initialize variable `regno'.
17742 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17744 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17746 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17748 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17749 ({,d}discard): Add forward declarations. Declare parameter as
17751 (main_without_main): Explicitly declare return type to be int.
17752 (memcpy): Properly declare.
17754 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17755 building the trampoline support, declare malloc, free, and
17757 (__clear_cache): Mark arguments as potentially unused.
17759 * frame.c (toplevel): If inhibit_libc is defined, declare
17762 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17764 * flow.c (make_edge): Accept an optional 2D bitmap in which
17765 to cache edge existence. Update all callers.
17766 (make_label_edge, make_eh_edge): Pass through the edge cache.
17767 (make_edges): Provide the cache.
17769 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17771 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17773 (local_mbtowc): Change the type of variable `i' from int to size_t.
17775 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17776 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17778 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17780 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17781 after other includes that define the appropriate types. Include
17782 tm_p.h for getting user prototypes.
17783 * ggc-callbacks.c (toplevel): Ditto.
17784 * ggc-none.c (toplevel): Ditto.
17785 * gcc-page.c (toplevel): Ditto.
17786 * ggc-simple.c (toplevel): Ditto.
17788 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17789 Jonathan Larmour <jlarmour@cygnus.co.uk>
17791 * config/mips/mips.c (mips_move_2words): Split doubles if
17792 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17794 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17796 * genrecog.c (struct decision_test): New.
17797 (struct decision): Remove test-related members, sort the rest by size.
17798 (IS_SPLIT): Simplify.
17799 (new_decision, new_decision_test): New.
17800 (add_to_sequence): Use them. No special handling for args of
17802 (maybe_both_true): Renamed from not_both_true; return sense changed.
17803 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17804 of maybe_both_true and adjusted for decision_test.
17805 (position_merit): Remove.
17806 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17807 (merge_accept_insn): New, broken out of merge_trees.
17808 (merge_trees): Use them. No special case for c_test; no node
17809 splitting; use test type instead of position_merit.
17810 (factor_tests): New.
17811 (simplify_tests): New.
17812 (break_out_subroutines): Don't write code now.
17813 (find_afterward): New.
17814 (write_afterward, write_switch, write_cond): New.
17815 (write_action, is_unconditional): New.
17816 (write_node): New. Use them.
17817 (write_tree_1): Rewrite. Use the new functions above.
17818 (write_tree): Remove afterward processing.
17819 (write_subroutine): Simplify function variant emission.
17820 (write_subroutines): New.
17821 (same_codes, clear_codes): Remove.
17822 (same_modes, clear_modes): Remove.
17823 (write_header): New, broken out of main.
17824 (make_insn_sequence): Use new_decision and new_decision_test.
17825 (process_tree): New, broken out of main.
17826 (main): Adjust for merge_trees interface change.
17827 Don't #define operands in the output file.
17828 (record_insn_name): New, broken out of make_insn_sequence.
17829 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17830 (debug_decision): New.
17832 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17834 * resource.c (find_free_register): Mark class_str argument const.
17835 * resource.h: Update prototype to match.
17837 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17838 * i386.md: Give all anonymous insns names.
17840 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17842 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17845 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17847 * toplev.c (dbr_sched_time): Unconditional.
17848 (peephole2_time): New.
17849 (compile_file): Add pass numbers to all of the dump file suffixes.
17850 Dump peephole2_time. Don't dump times for non-applicable passes.
17851 (rest_of_compilation): Add pass numbers to dump file suffixes.
17852 Conditionalize calls to the scheduler.
17853 * invoke.texi: Update.
17855 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17857 * flow.c (make_edges): Fix insn iteration.
17858 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17859 (find_basic_blocks_1): Fix spelling mistake.
17861 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17863 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17864 always have side-effects. Use memset not bzero.
17865 (make_node): Likewise.
17867 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17869 * stmt.c (expand_anon_union_decl): When any of the elements of the
17870 union is addressable, so is the entire union.
17872 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17874 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17876 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17877 * bitmap.c (bitmap_operation): Return true iff TO changed.
17878 (bitmap_equal_p): New.
17879 (bitmap_bit_p): Tidy arithmetic.
17880 (debug_bitmap_file): Likewise.
17882 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17884 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17885 before cse2 instead of after.
17887 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17889 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17892 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17894 * cppinit.c (is_idchar initializer): Loosen tests to accept
17897 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17899 * mips.md: Define conditional move patterns for floating point
17900 operands and DI mode conditions.
17902 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17904 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17905 always have side-effects.
17907 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17909 * mn10200.c (asm_file_start): Fix typo.
17911 * cppinit.c (is_idchar initializer): Tighten tests for when
17912 to put the table into initialized memory.
17914 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17915 not an array of rtunion.
17916 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17917 * gcc-simple (ggc_free_rtvec): Similarly.
17919 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17922 * mbchar.h: Add missing #endif.
17924 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17925 (FPBIT, DPBIT): Define.
17927 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17929 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17931 * profile.c (instrument_arcs, output_gcov_string,
17932 tablejump_entry_p): Add static prototypes.
17933 (output_gcov_string): Constify a char*.
17935 * regmove.c (replacement_quality, fixup_match_2): Add static
17938 * resource.h (reg_dead_p): Add extern prototype.
17940 * rtl.c (trim_filename): Add static prototype.
17942 * scan-decls.c (skip_to_closing_brace): Likewise.
17944 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17945 (expand_end_case): Initialize variable `range'.
17946 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17948 * varasm.c (asm_emit_uninitialised): Add static prototype.
17949 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17952 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17954 * cpplib.c (if_directive_nameo): Add static prototype.
17956 * cse.c (cse_insn): Remove unused variable `p'.
17958 * except.c (create_rethrow_ref, push_entry,
17959 receive_exception_label, new_eh_region_entry, find_func_region,
17960 clear_function_eh_region, process_nestinfo): Add static prototypes.
17961 (get_reg_for_handler): Hide definition.
17962 (process_nestinfo): Initialize variable `extra_handlers'.
17964 * expr.h (expand_builtin_longjmp): Add extern prototype.
17966 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17968 * function.c (prepare_function_start): Likewise.
17969 (pop_function_context_from): Mark parameter `context' with
17971 (push_temp_slots_for_block, flush_addressof): Hide definition.
17973 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17974 solve_program_flow_graph, calculate_branch_probs,
17975 function_summary, main, fancy_abort): Add prototypes.
17977 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17978 (add_hash): Constify a char*.
17980 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17981 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17982 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17984 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17986 * lists.c (free_list, zap_lists): Likewise.
17988 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17990 * alias.c (nonlocal_reference_p): Add static prototype.
17992 * bitmap.c (bitmap_element_allocate): Prototype args in function
17995 * builtins.c (stabilize_va_list): Add static prototype.
17996 (expand_builtin_va_arg): Constify a char*.
17998 * c-lex.c (getch, put_back, extend_token_buffer_to,
17999 read_line_number, token_getch, token_put_back): Add static
18002 * c-parse.gperf (hash, is_reserved_word): Likewise.
18004 * cccp.c (is_dir_separator): Likewise.
18006 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18008 * graph.h: New file to prototype functions exported by graph.c.
18010 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18012 * graph.c: Include graph.h.
18014 * toplev.c: Likewise. Remove redundant prototypes.
18016 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18018 * invoke.texi: Removed duplicated description for -Q.
18020 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18022 * extend.texi: Grammar fix in __extension__ text.
18024 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18026 * md.texi (define_peephole2): New section.
18028 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18030 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18031 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18034 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18036 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18038 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18040 * i386.md (ffs expander): Emit Pentium friendly code for
18043 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18045 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18047 (build1): Likewise.
18049 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18051 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18053 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18055 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18056 register is in use.
18058 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18060 * md.texi (No Constraints): Delete section.
18061 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18062 * final.c (final_scan_insn): We always have register constraints.
18063 * genattrtab.c: Don't include "insn-config.h".
18064 (write_attr_case): We always have register constraints.
18065 * genconfig.c (register_constraint_flag): Delete.
18066 (walk_insn_part): Don't check whether we have register constraints.
18067 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18068 * genoutput.c (have_constraints): Delete.
18069 (main): Don't set it.
18070 (output_operand_data): We always have constraints.
18071 (scan_operands): Likewise.
18072 (compare_operands): Likewise.
18073 * local-alloc.c (block_alloc): We always have constraints.
18074 (requires_inout): Always compile this function.
18075 * recog.c (extract_insn): We always have constraints.
18076 (constrain_operands, reg_fits_class_p): Always compile these
18078 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18080 (struct insn_operand_data): Likewise.
18081 * regclass.c (regclass): We always have constraints.
18082 (record_reg_classes, copy_cost, record_address_regs,
18083 auto_inc_dec_reg_p): Always compile these functions.
18084 * regmove.c (regmove_optimize): We always have constraints.
18085 * reload.c (find_reloads): Likewise.
18086 * reload1.c (reload): Likewise.
18087 (reload_cse_simplify_operands): Likewise.
18088 * i860.c (output_delay_insn): Likewise.
18090 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18092 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18094 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18096 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18097 for the va_list record.
18099 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18101 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18104 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18106 * alias.c: Include insn-flags.h.
18107 * Makefile.in (alias.o): Update.
18109 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18111 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18112 to LTU and GEU. Handle more cases using sbb.
18114 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18116 * i386.md (truncatexfdf splitters): Do not use subreg.
18117 (fop XFmode patterns): Fix mode in operand testing.
18119 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18121 * jump.c (jump_optimize_1): Amend last change to test only the
18122 form of the operand, not the insn.
18124 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18125 not register_operand to determine when B may need preloading.
18127 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18129 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18130 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18131 (call-value patterns): Move to end of file.
18132 (*): Remove mode from label_ref in (pc) context.
18133 (movstrqi): Use memory not general_operand for BLKmode operands.
18134 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18135 to register_operand operands.
18136 (peep2 patterns): Convert from commented-out peephole patterns.
18138 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18140 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18141 to BUILT_IN_INIT_DWARF_REG_SIZES.
18142 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18143 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18144 expand_builtin_init_dwarf_reg_sizes.
18145 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18146 with __builtin_init_dwarf_reg_size_table.
18147 * dwarf2out.c (struct reg_size_range): Delete.
18148 (expand_builtin_init_dwarf_reg_sizes): New function.
18149 (expand_builtin_dwarf_reg_size): Delete.
18150 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18151 (expand_builtin_dwarf_reg_size): Don't declare.
18152 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18153 (dwarf_reg_size_table): New.
18154 (init_reg_size_table): New function.
18155 (copy_reg): Use dwarf_reg_size_table.
18156 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18159 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18161 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18162 Correctly build argument list to constructor and destructor functions.
18164 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18166 * c-tree.h (warn_float_equal): Declare.
18167 * c-decl.c (warn_float_equal): Define.
18168 (c_decode_option): Recognize -W[no-]float-equal.
18169 * c-typeck.c (build_binary_op): Conditionally warn
18170 about equality tests of floating point types.
18171 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18172 * invoke.texi: Add docs for -Wfloat-equal warning.
18174 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18176 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18177 generating RTL directly.
18178 * mips.h (INIT_TARGET_OPTABS): Likewise.
18179 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18181 * expr.h (init_mov_optab): Delete declaration
18183 * h8300.c (WORD_REG_USED): Update to avoid useless register
18184 saves in interrupt functions and functions which never return.
18186 * cse.c (struct set): Delete inner_dest_loc field.
18187 (cse_insn): Remove assignments to inner_dest_loc field.
18189 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18191 * ggc-page.c: Don't include <unistd.h> etc taken care of
18192 by "system.h". Include <sys/mman.h> afterward.
18194 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18196 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18199 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18201 * xcoffout.c (xcoffout_declare_function): Add documentation.
18202 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18203 TARGET_64BIT. Compare constant to -1, not bit pattern.
18204 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18205 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18208 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18210 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18211 origin_die is NULL.
18212 (gen_inlined_enumeration_type_die): Do not abort if the type has
18213 not been writeen out.
18214 (gen_inlined_structure_type_die): Do not abort if the type has
18215 not been writeen out.
18216 (gen_inlined_union_type_die): Do not abort if the type has
18217 not been writeen out.
18218 (gen_tagged_type_instantiation_die): Do not abort if the type
18219 has not been written out.
18221 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18223 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18225 * reg-stack.c (straighten_stack): Copy hard reg set with
18228 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18230 * builtins.c (stabilize_va_list): Stabilize array type va_list
18231 to a pointer type, not the base record type.
18232 (expand_builtin_va_copy): Dereference the pointers explicitly;
18233 use the correct size for the copy.
18235 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18236 (rs6000_va_arg): Likewise.
18238 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18240 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18242 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18244 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18246 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18248 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18250 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18251 (init_ggc): Use it instead of a constant.
18252 (ggc_collect): Bound allocated_last_gc by it.
18254 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18256 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18259 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18261 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18262 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18263 * configure: Regen.
18264 * config/mips/openbsd.h: New, OpenBSD little endian target.
18265 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18266 * config/mips/xm-openbsd.h: New, OpenBSD host.
18268 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18270 * config/m68k/m68k.c (output_function_prologue,
18271 output_function_epilogue): Use
18272 current_function_uses_pic_offset_table instead of regs_ever_live
18273 to decide whether to save/restore pic register.
18274 (legitimize_pic_address): Don't modify regs_ever_live any more.
18276 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18278 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18279 * stor-layout.c (variable_size): Don't add sizes to the pending
18280 sizes list if x_dont_save_pending_sizes_p is set.
18282 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18284 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18285 for symbolic_operand().
18286 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18288 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18290 * combine.c (gen_rtx_combine): Add missing call to va_end().
18292 * final.c (asm_fprintf): Likewise.
18294 * genattrtab.c (attr_rtx): Likewise.
18296 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18298 * cse.c: Update comments.
18299 (cse_insn): When converting a conditional/computed jump into
18300 an unconditional jump, always make sure a BARRIER immediately
18301 follows the converted jump. Do not delete unreachable code.
18302 (cse_basic_block): Do not delete unreachable code.
18303 * toplev.c (rest_of_compilation): Move call to
18304 delete_trivially_dead_insns after the conditional call to
18307 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18309 * collect2.c (make_temp_file): Don't prototype.
18311 * gcc.c (make_temp_file): Likewise.
18313 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18315 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18317 * varasm.c (asm_emit_uninitialised): New function: Generate
18318 the assembler statements necessary to declare an uninitialised
18320 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18322 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18323 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18325 (assemble_variable): Use asm_emit_uninitialised to emit an
18326 uninitialised variable.
18328 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18330 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18331 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18332 <geoffk@cygnus.com>.
18334 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18336 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18337 * c-common.h (builtin_function): Don't declare.
18339 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18341 (pushdecl): Likewise.
18342 (finish_decl): Likewise.
18343 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18344 int. All callers changed.
18345 Set the builtin's DECL_BUILT_IN_CLASS.
18346 * tree.h (enum built_in_class): New.
18347 (enum built_in_function): Delete NOT_BUILT_IN.
18348 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18350 (DECL_SET_FUNCTION_CODE): Likewise.
18351 (DECL_BUILT_IN_CLASS): New macro.
18352 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18353 (struct tree_decl): Split builtin function code field into a
18355 (builtin_function): Declare.
18357 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18359 * optabs.c (init_traps): Fix typo in last change.
18361 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18363 * toplev.c (rest_of_decl_compilation): Update comment.
18365 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18367 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18368 in .sbss if appropriate.
18369 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18370 (SBSS_SECTION_ASM_OP): New macro.
18371 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18372 (EXTRA_SECTIONS): Add in_sbss.
18373 * config/mips/mips.h: Prototype sbss_section.
18375 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18377 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18380 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18382 * optabs.c (init_traps): Register trap_rtx as a GC root.
18384 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18386 * config/mips/mips.c (function_arg_pass_by_reference): Define
18387 unconditionally, since it's called unconditionally.
18389 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18391 * toplev.c (documented_lang_options): Add -fshort-wchar.
18392 * c-decl.c (c_decode_option): Likewise.
18393 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18395 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18396 * gcc.c (default_compilers): If -fshort-wchar,
18397 override __WCHAR_TYPE__.
18398 * tm.texi (C Dialect Options): Add -fshort-wchar.
18400 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18401 symbol for a variable.
18403 * cpplib.h (CPP_PREPROCESSED): New macro.
18404 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18405 we're seeing this input for a second time.
18407 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18409 * emit-rtl.c (init_emit_once): Initialize modes first.
18411 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18413 * config/i386/i386.c (pic_label_name): Change to char pointer.
18414 (global_offset_table): New variable.
18415 (load_pic_register): Fill global_offset_table if it hasn't
18416 already been done. Allocate pic_label_name dynamically.
18417 * ggc.h (empty_string): New variable.
18418 * ggc-simple.c (empty_string): Likewise.
18419 (init_ggc): Allocate empty_string and add as root.
18420 * stmt.c (digit_strings): New variable.
18421 (init_stmt): Add last_block_end_note as root. Allocate and
18422 initialize digit_strings.
18423 (expand_asm_operands): Use empty_string instead of string
18424 constant. Use digit_strings instead of string constants.
18425 * profile.c (init_arc_profiler): Allocate string with
18426 ggc_alloc_string instead of xmalloc.
18427 (output_func_start_profiler): Likewise.
18428 * c-typeck.c (digest_init): Check if init is error_mark_node.
18430 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18431 Richard Henderson <rth@cygnus.com>
18433 * ggc-page.c: New file.
18434 * Makefile.in (ggc-page.o): New.
18436 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18438 * invoke.texi: Document -fdelete-null-pointer-checks
18439 * toplev.c (flag_delete_null_pointer_checks): New.
18440 (f_options): Add entry for -fdelete-null-pointer-checks.
18441 (rest_of_compilation): Conditionalize null pointer check
18442 elimination on flag_delete_null_pointer_checks.
18443 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18445 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18447 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18448 copyright notice and special exception to GPL.
18450 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18452 * abi64.h (mips_function_value): Add prototype arguments.
18454 * mips-protos.h: New file with mips prototypes.
18456 * mips.c: Include "tm_p.h".
18457 (mktemp, lookup_name): Add prototype arguments.
18458 (extern_list, string_constant, mips_fill_delay_slot,
18459 mips_output_external, mips_output_external_libcall,
18460 mips_output_filename, mips_declare_object, function_prologue,
18461 mips_expand_prologue, function_epilogue, mips16_constant,
18462 build_mips16_function_stub, mips_output_conditional_branch):
18464 (mips_va_start): Remove unused variable `u'.
18465 (mips_va_arg): Cast value to unsigned when comparing against one.
18467 (save_restore_insns, mips_expand_prologue): Add missing arg in
18468 call to `large_int'.
18470 * mips.h: Move prototypes to mips-protos.h.
18471 (data_section, memory_address_p, rdata_section,
18472 readonly_data_section, simple_epilogue_p, text_section): Delete
18473 prototypes delcared elsewhere.
18474 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18476 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18478 * mips.md: Delete extra args in call to `mips_move_2words'.
18480 * xm-iris6.h (alloca): Add prototype argument.
18482 * genpeep.c: Include "tm_p.h" in generated output file.
18484 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18486 * basic-block.h (find_edge_index): Change parameters.
18487 * flow.c (verify_edge_list): Pass basic_block parameters to
18488 find_edge_index instead of integers.
18490 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18492 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18495 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18497 * gcc.1: Fix a formatting error.
18499 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18501 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18502 i786, mn10200, mn10300, pdp11, v850.
18504 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18506 * libgcc2.c (num_digits): Add prototype with
18507 __attribute__((const)).
18508 (__terminate): Add prototype.
18510 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18512 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18514 * alpha/alpha.c (print_operand): Fix type of `code'.
18515 (alpha_output_filename): Constify.
18516 * alpha/alpha.h: Move all function declarations ...
18517 * alpha/alpha-protos.h: ... here. New file.
18518 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18519 (SECTION_FUNCTION_TEMPLATE): Likewise.
18521 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18523 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18524 * expr.c (expand_expr): Likewise.
18525 (do_jump): Likewise.
18526 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18527 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18529 (enum can_compare_purpose): New.
18530 (can_compare_p): Adjust prototype.
18531 (prepare_cmp_insn, prepare_operand): Declare.
18532 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18533 * optabs.c (cmp_available_p): Deleted.
18534 (expand_abs): Pass ccp_jump to can_compare_p.
18535 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18536 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18537 Call can_compare_p rather than cmp_available_p.
18538 (prepare_operand): No longer static.
18539 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18540 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18541 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18542 sequence to use emit_cmp_and_jump_insns.
18543 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18545 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18547 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18548 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18549 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18550 (plus (reg) (const_int 0))
18551 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18553 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18555 * rs6000.c (expand_block_move): DImode loads and stores require
18556 word-aligned displacements. Increment address registers with
18557 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18559 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18561 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18562 is no name for the base type, rather than segfault. If we are
18563 writing out a complex integer type, use DW_ATE_lo_user.
18565 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18566 in one word or less (complex char, complex short, or on 64 bit
18567 systems complex float) to/from a hard register, copy it through
18568 memory instead of dying in gen_{real,imag}part. If we have a
18569 short complex type, prevent inlining since it allocates stack
18572 * tree.c (build_complex_type): If we are writing dwarf2 output,
18573 generate a name for complex integer types.
18575 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18577 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18578 * flow.c (remove_edge): Remove extra whitespace.
18579 (remove_fake_edges): Fix comment.
18580 (add_noreturn_fake_exit_edges): Use the correct name.
18582 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18584 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18585 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18586 (clean): Depend on INTL_CLEAN.
18587 (maintainer-clean): Adjust.
18589 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18591 * configure.in (AC_PREREQ): Bump to 2.13.
18592 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18594 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18596 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18598 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18600 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18601 (HAVE_STRINGIZE): Define.
18603 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18605 * c-parse.in: save and restore warn_pointer_arith on __extension__
18606 along with pedantic.
18607 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18608 Set the type of extension to itype rather than $<itype>1 kludge.
18609 * extend.texi (Alternate Keywords): Adjust documentation.
18610 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18612 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18614 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18615 most assembler templates.
18617 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18618 FP loads and stores.
18619 (following_call): Always return zero for the PA8000.
18620 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18621 FP loads and stores.
18622 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18624 * pa.h (BRANCH_COST): Define.
18626 * pa.md (return, return_internal): Use bve for PA2.0.
18628 * pa.md (fused multiply): Add variants which reduce height for the
18629 fused multiply, but which still generate 2 insns.
18630 (fnegabs): Similarly.
18632 * pa.md (subsi3): Turn into an expander. Create two anonymous
18633 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18634 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18636 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18638 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18640 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18641 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18643 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18646 * flow.c (record_active_eh_regions): Terminate loop after finding
18647 the last insn in the last basic block.
18649 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18651 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18653 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18655 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18657 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18659 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18660 splitting to not use output template.
18662 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18664 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18665 * config/c4x/c4x.c (c4x_va_start): New function.
18667 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18669 * genrecog.c (not_both_true): Handle correctly cases when called for
18670 tests with different positions in the insn.
18672 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18674 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18676 * system.h (HOST_PTR_PRINTF): ... to here.
18678 * mips-tfile.c: Don't include machmode.h.
18680 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18681 (mips-tfile.o): Don't depend on machmode.h.
18683 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18685 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18686 avoid conflicts with typedef struct `region' at the top level scope.
18688 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18690 * basic-block.h (basic_block): Add eh_beg, eh_end.
18691 * flow.c (entry_exit_blocks): Update.
18692 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18693 Call new functions.
18694 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18695 lists.c functions to allocate insn lists.
18696 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18698 (make_eh_edge): ... here. New.
18699 (move_stray_eh_region_notes): New.
18700 (record_active_eh_regions): New.
18701 (delete_unreachable_blocks): Split out block merging ...
18702 (try_merge_blocks): ... here. New.
18703 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18704 Dump debugging data.
18705 (merge_blocks_move_successor_nojumps): Likewise.
18706 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18708 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18710 * extend.texi (Bound member functions): Document unbound pmf
18713 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18715 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18716 has the EXIT_BLOCK as a dest.
18718 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18720 * flow.c (remove_edge): New function to remove an edge from the
18722 (remove_fake_successors): New function to remove fake successor edges.
18723 (remove_fake_edges): New function to remove all fake edges from the
18725 (add_fake_exit_edges): New function to add fake edges from all blocks
18726 with no successors to the exit block.
18727 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18728 prototypes for new functions.
18730 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18732 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18733 Use Pmode to determine whether to output .dword or .word.
18735 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18737 * tree.c (built_in_filename): New variable.
18738 (BUILT_IN_FILENAME): New macro.
18739 (init_tree_codes): Allocate built_in_filename.
18740 (make_node): Use built_in_filename instead of string constant.
18742 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18744 * configure.in: Add fr30 target.
18745 * configure: Regenerate.
18746 * config/fr30: New directory.
18747 * config/fr30/crti.asm: New file.
18748 * config/fr30/fr30.c: New file.
18749 * config/fr30/crtn.asm: New file.
18750 * config/fr30/fr30.h: New file.
18751 * config/fr30/fr30.md: New file.
18752 * config/fr30/lib1funcs.asm: New file.
18753 * config/fr30/t-fr30: New file.
18754 * config/fr30/xm-fr30.h: New file.
18756 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18758 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18759 BARRIER at the end of the successor, not the BARRIER before
18762 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18764 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18766 * stmt.c (any_pending_cleanups): Don't crash when
18767 current_function->stmt is unset.
18769 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18771 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18772 other initializations that may use it for relative offsets.
18774 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18776 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18777 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18778 * config/i386/sol2dbg.h: Removed.
18779 * config/i386/sol2gas.h: New file, to enable gas work-around.
18780 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18781 Don't use sol2dbg.h.
18782 * configure: Rebuilt.
18784 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18786 * invoke.texi (-fthis-is-variable): Remove documentation.
18788 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18790 * basic-block.h (compute_bb_for_insn): Declare.
18791 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18792 to use; set size of basic_block_for_insn directly.
18793 (find_basic_blocks): Update.
18795 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18797 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18799 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18801 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18802 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18804 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18806 * c-decl.c (c_decode_option): Extend comment.
18808 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18810 * toplev.c (progname): Make 'const char *'
18811 (flag_print_mem): Move out of main.
18812 (version_flag): Move out of main.
18813 (filename): Move out of main.
18814 (debug_args): Remove g prefix from options.
18815 (documented_lang_options): Remove cpplib specific options.
18816 (display_help): Add g prefix to debug options.
18817 (check_lang_option): Delete this function.
18818 (decode_d_option): New function: Decode -d... option.
18819 (decode_f_option): New function: Decode -f... option.
18820 (decode_W_option): New function: Decode -W... option.
18821 (decode_g_option): New function: Decode -g... option.
18822 (independent_decode_option): New function: Decode a language
18823 independent command line option.
18824 (main): Invoke lang_decode_option and then
18825 independent_decode_option on each command line option in
18828 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18830 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18831 * fold-const.c (fold_range_test): Do not try to fold the range
18832 test if the rhs or lhs has side effects.
18834 * basic-block.h (compute_flow_dominators): Declare.
18836 * gcse.c (alloc_code_hoist_mem): New function.
18837 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18838 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18839 (hoist_code, one_code_hoisting_pass): Likewise.
18840 (gcse_main): If optimizing for size, then hoist expressions
18841 computed in multiple dominated basic blocks.
18843 * gcse.c (invalid_nonnull_info): New function.
18844 (delete_null_pointer_checks): Likewise.
18845 * rtl.h (delete_null_pointer_checks): Declare.
18846 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18848 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18849 (merge-blocks_move_successor_nojumps): Likewise.
18850 (merge_blocks): Allow merging of some blocks, even if it requires
18851 physical movement of the blocks, but not if it requires new jumps.
18853 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18854 Callers and prototype changed.
18855 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18857 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18859 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18860 -YP when both -p and -pg are present. From i386/sol2.h.
18862 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18864 * Makefile.in (distclean): Delete tm_p.h.
18865 * configure.in: Create a new file, "tm_p.h", from a list in
18866 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18867 "i386/i386-protos.h".
18869 * alias.c: Include "tm_p.h".
18870 * c-typeck.c: Likewise.
18871 * calls.c: Likewise.
18873 * emit-rtl.c: Likewise.
18874 * explow.c: Likewise.
18875 * expmed.c: Likewise.
18876 * expr.c: Likewise.
18877 * final.c: Likewise.
18878 * flow.c: Likewise.
18879 * fold-const.c: Likewise.
18880 * function.c: Likewise.
18881 * gcse.c: Likewise.
18882 * global.c: Likewise.
18883 * haifa-sched.c: Likewise.
18884 * integrate.c: Likewise.
18885 * jump.c: Likewise.
18886 * local-alloc.c: Likewise.
18887 * loop.c: Likewise.
18888 * optabs.c: Likewise.
18889 * recog.c: Likewise.
18890 * reg-stack.c: Likewise.
18891 * regclass.c: Likewise.
18892 * regmove.c: Likewise.
18893 * reload.c: Likewise.
18894 * reload1.c: Likewise.
18895 * reorg.c: Likewise.
18896 * resource.c: Likewise.
18897 * stmt.c: Likewise.
18898 * stor-layout.c: Likewise.
18899 * toplev.c: Likewise.
18900 * tree.c: Likewise.
18901 * unroll.c: Likewise.
18902 * genattrtab.c (main): Make generated file include "tm_p.h".
18903 * genemit.c (main): Likewise.
18904 * genoutput.c (main): Likewise.
18905 * genrecog.c (main): Likewise.
18907 * i386.h: Delete all prototypes.
18908 * i386.c: Include "tm_p.h".
18909 (ix86_attr_length_default): Call constant_call_address_operand
18910 with correct number of arguments.
18911 * i386-protos.h: New file.
18912 * i386.md (unnamed patterns): Call constant_call_address_operand
18913 with correct number of arguments.
18914 (exception_receiver): Call load_pic_register with correct number
18917 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18919 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18921 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18923 * rtl.h (insns_safe_to_move_p): New function.
18924 * loop.c (find_and_verify_loops): Use it.
18925 * rtlanal.c (insns_safe_to_move_p): Define it.
18927 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18929 * c-pragma.c: Include ggc.h.
18930 * Makefile.in (c-pragma.o): Update.
18932 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18934 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18935 (LIB_SPEC): Likewise.
18936 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18937 Reindent -YP/-p/-pg.
18938 Copied from config/sparc/sol2.h.
18940 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18942 * c-pragma.c (mark_align_stack): New.
18943 (init_pragma): New.
18944 * c-pragma.h (init_pragma): Declare it.
18945 * c-lex.c (init_parse): Call it.
18947 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18949 * configure.in: Pick up thread library on Solaris/x86 just
18950 like on Solaris/sparc.
18951 * configure: Rebuilt.
18953 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18955 * rtl.h (global_rtx_index): New enum.
18956 (global_rtl): Change to array of rtx.
18957 (pc_rtx, cc0_rtx): Redefine accordingly.
18958 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18959 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18960 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18961 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18962 (const_int_rtx): Change to array of rtx.
18963 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18965 * emit-rtl.c (global_rtl): Change to array of rtx.
18966 (const_int_rtx): Change to aray of rtx.
18967 (gen_rtx_CONST_INT): Redefine accordingly.
18968 (init_emit_once): Allocate and initialize global_rtl. Likewise
18969 for const_int_rtx. Add both as GC roots.
18970 * genattrtab.c (global_rtl): Update declaration.
18972 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18974 * Makefile (USER_H): Add iso646.h back.
18976 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18978 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18979 zapping the LOG_LINKS of sched_before_next_call.
18981 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18982 * pa.c (insn_refs_are_delayed): Renamed from
18983 insn_sets_and_refs_are_delayed.
18985 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18987 * functiion.h (struct function): Add x_whole_function_mode_p.
18988 (retrofit_block): Declare.
18989 * function.c (retrofit_block): New function.
18990 (identify_blocks): Add assertions. Allow an incomplete set of
18991 block notes if we're still generating code for the function.
18992 * integrate.c: Include loop.h.
18993 (expand_inline_function): Call find_loop_tree_blocks to map block
18994 notes to blocks when in whole-function mode. Use retrofit_block
18995 to insert new BLOCKs for the inlined function, rather than
18997 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18998 * Makefile.in (integrate.o): Depend on loop.h.
19000 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19002 * tree.h (warn_about_unused_variables): Declare.
19003 * stmt.c (warn_about_unused_variables): New function, split out
19005 (expand_end_bindings): Here.
19007 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19009 * stmt.c (preserve_subexpressions_p): Don't crash when
19010 current_function->stmt is unset.
19012 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19014 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19015 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19016 (expand_start_target_temps): Use it.
19017 * except.c (expand_eh_region_start_for_decl): Likewise.
19018 * expr.c (expand_expr): Likewise.
19020 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19022 * fold-const.c (operand_equal_p): Pay attention to side effects.
19024 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19026 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19027 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19029 * tlink.c (scan_linker_output): Look for keywords before accepting
19030 a mangled name in quotes.
19032 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19034 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19035 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19037 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19039 * alpha.md: Revert Thu Nov 26 change that came in through the
19040 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19041 Avoid earlyclobber when possible.
19043 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19045 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19047 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19048 Define HAVE_ON_EXIT.
19050 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19052 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19053 CTYPE_CONV in all ctype macros.
19055 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19058 * cexp.y (initialize_random_junk): Likewise.
19060 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19062 * i370.c (handle_pragma): Likewise.
19064 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19066 * v850.c (override_options): Likewise.
19068 * doprint.c (_doprnt): Likewise.
19070 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19073 * fixinc/server.c (load_data): Likewise.
19075 * fold-const.c (real_hex_to_f): Likewise.
19077 * genattr.c (write_upcase, gen_attr): Likewise.
19079 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19080 write_upcase): Likewise.
19082 * genemit.c (print_code): Likewise.
19084 * genopinit.c (gen_insn): Likewise.
19086 * genpeep.c (print_code): Likewise.
19088 * genrecog.c (print_code): Likewise.
19090 * optabs.c (init_libfuncs): Likewise.
19092 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19094 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19096 (reemit_notes): Likewise.
19098 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19100 * ggc.h (ggc_root): Move to ggc-common.c.
19102 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19103 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19104 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19105 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19106 * ggc-common.c (ggc_root): Move from ggc.h.
19107 (roots): Declare, static.
19108 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19109 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19110 null or check/set mark bit.
19111 (ggc_mark_roots): New.
19112 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19114 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19116 * m32r.c: Include toplev.h.
19117 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19118 (gen_compare): Rename swap_p to must_swap to match uses.
19119 Add default abort case.
19120 (m32r_output_function_epilogue): Remove unused variables.
19121 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19122 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19123 define to empty parameter list. Update all uses.
19124 (predicate decls): Use enum machine_mode not int.
19125 * m32r.md (movsi): Call abort, not fatal_insn.
19126 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19128 1999-09-14 Andrew Haley <aph@cygnus.com>
19130 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19131 use $0 instead of 0.
19133 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19135 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19136 computation out of loop over hard regs.
19138 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19140 * function.c (identify_blocks): Don't shadow a variable in an
19142 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19143 pushdecl, or poplevel to build up the new BLOCK tree.
19144 (expand_inline_function): Likewise.
19145 (integrate_parm_decls): Likewise.
19147 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19149 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19151 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19153 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19154 * invoke.texi: Document this change.
19156 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19158 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19160 (mark_emit_status): Renamed from mark_emit_state.
19161 * except.c (mark_eh_status): Renamed from mark_eh_state.
19162 Check not null before marking.
19163 (free_eh_status): New.
19164 * expr.c (mark_expr_status, free_expr_status): New.
19165 * function.c (free_machine_status): New.
19166 (free_after_parsing): New.
19167 (free_after_compilation): Move bits to free_after_parsing; call
19168 free_eh_status, free_expr_status; zero the marked members of the
19170 (prepare_function_start): No can_garbage_collect.
19171 Call init_eh_for_function.
19172 (expand_dummy_function_end): Free up current_function state.
19173 (mark_function_status): Renamed from mark_function_state.
19174 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19175 * function.h (struct function): No can_garbage_collect.
19176 (free_machine_status, free_after_parsing): Declare.
19177 (free_eh_status, free_expr_status): Declare.
19178 * ggc.h (mark_expr_status): Declare.
19179 * stmt.c (free_stmt_status): Free the struct.
19180 (mark_stmt_status): Renamed from mark_stmt_state.
19181 (init_stmt): Don't call init_eh.
19182 (init_stmt_for_function): Don't call init_eh_for_function.
19183 * toplev.c (compile_file): Call init_eh.
19184 (rest_of_compilation): Free basic block info before ggc_collect.
19185 Call free_after_parsing; conditionally call free_after_compilation.
19186 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19187 Check not null before marking.
19188 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19190 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19192 * c-lex.c (yylex): Initialize warn.
19194 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19196 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19197 register when performing secondary reloads for the SAR register.
19199 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19201 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19202 (NOTE_BLOCK): New macro.
19203 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19204 * function.h (identify_blocks): Change prototype.
19205 * function.c (identify_blocks): Simplify.
19206 (reorder_blocks): Likewise.
19207 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19208 NOTE_INSN_BLOCK_{BEG,END}.
19209 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19210 the list of saved notes if the note isn't a
19211 NOTE_INSN_BLOCK_{BEG,END}.
19212 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19214 (reemit_notes): Adjust recreation of notes to reflect new saved
19216 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19217 printing a block note.
19218 * stmt.c (block_vector): Remove.
19219 (find_loop_tree_blocks): Simplify.
19220 (unroll_block_trees): Likewise.
19221 * tree.h (reorder_block): Change prototype.
19223 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19225 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19226 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19227 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19228 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19229 (atexit, exit): Simplify.
19230 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19231 * config/lots: Remove defns of HAVE_ATEXIT.
19233 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19235 * calls.c (precompute_arguments): Fix typo in comment.
19236 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19239 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19241 * dsp16xx.c (override_options): Fix typos in GC root registration.
19243 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19245 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19246 from config/svr4.h.
19247 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19248 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19249 (CC1_SPEC): Likewise.
19251 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19253 * genattr.c (main): Add extern prototype. Call return, not exit.
19254 * genattrtab.c (main): Likewise.
19255 * gencheck.c (main): Likewise.
19256 * gencodes.c (main): Likewise.
19257 * genconfig.c (main): Likewise.
19258 * genemit.c (main): Likewise.
19259 * genextract.c (main): Likewise.
19260 * genflags.c (main): Likewise.
19261 * gengenrtl.c (main): Likewise.
19262 * genopinit.c (main): Likewise.
19263 * genoutput.c (main): Likewise.
19264 * genpeep.c (main): Likewise.
19265 * genrecog.c (main): Likewise.
19267 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19268 * genattrtab.c (get_insn_name): Likewise.
19269 * gencodes.c (get_insn_name): Likewise.
19270 * genconfig.c (get_insn_name): Likewise.
19271 * genemit.c (get_insn_name): Likewise.
19272 * genextract.c (get_insn_name): Likewise.
19273 * genflags.c (get_insn_name): Likewise.
19274 * genopinit.c (get_insn_name): Likewise.
19275 * genpeep.c (get_insn_name): Likewise.
19277 * gencheck.c (usage): Add static prototype.
19278 * genextract.c (print_path): Constify a char*.
19279 * genopinit.c (optabs): Likewise.
19280 * genoutput.c (operand_data, data, output_predicate_decls,
19281 compare_operands): Likewise.
19282 * genrecog.c (write_tree): Add default case in switch.
19284 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19286 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19288 * print-rtl.c (get_insn_name): Remove prototype.
19290 * toplev.h (progname): Declare const.
19292 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19293 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19294 dump_sched_info, dump_local_alloc, regset_release_memory,
19295 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19296 error_with_file_and_line, error_with_decl, error_for_asm, error,
19297 fatal, warning_with_file_and_line, warning_with_decl, warning,
19298 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19299 Remove redundant prototypes.
19301 (notice, check_lang_option, report_file_and_line, vnotice,
19302 mark_file_stack): Add static prototype.
19303 (set_fatal_function): Add prototype.
19304 (vnotice, report_file_and_line, set_fatal_function,
19305 check_lang_option): Constify a char*.
19306 (main): Prototype. Call return, not exit.
19308 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19310 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19312 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19314 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19316 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19318 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19320 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19321 behave as if it's zero in all cases.
19322 (expand_function_start): Adjust call to assign_parms.
19323 * tree.h (assign_parms): Adjust prototype.
19324 * objc/objc-act.c (hack_method_prototype): Adjust call to
19327 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19329 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19330 arg_pointer_rtx fixed if the argument pointer register is
19332 (NONZERO_BASE_PLUS_P): Likewise.
19334 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19336 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19337 match_insn2 to match_insn.
19338 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19340 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19342 * Makefile.in (USER_H): Remove va-foo.h.
19344 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19345 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19346 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19347 va-spur.h,va-v850.h}: Remove.
19349 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19351 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19352 (in_return_delay): Use it instead of match_insn.
19354 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19356 * config/alpha/va_list.h (va-alpha.h): Do not include.
19357 (__gnuc_va_list): Typedef as in varargs.h.
19359 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19361 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19362 DECL_LIVE_RANGE_RTL.
19364 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19366 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19367 not NOTE_BLOCK_NUMBER.
19368 (expand_eh_region_end): Likewise.
19369 (find_exception_handler_labels): Likewise.
19370 (scan_region): Likewise.
19371 (exception_optimize): Likewise.
19372 (update_rethrow_references): Likewise.
19373 (set_insn_eh_region): Likewise.
19374 * final.c (final_scan_insn): Likewise.
19375 * flow.c (make_edges): Likewise.
19376 * integrate.c (expand_inline_function): Likewise.
19377 * print-rtl.c (print_rtx): Likewise.
19379 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19381 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19382 terms of builtin functions and types.
19384 * mips.c (mips_build_va_list): New.
19385 (mips_va_start, mips_va_arg): New.
19386 * mips.h (BUILD_VA_LIST_TYPE): New.
19387 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19389 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19390 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19391 * sh.h (BUILD_VA_LIST_TYPE): New.
19392 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19394 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19396 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19397 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19398 (struct insn_data): Likewise with n_operands, n_dups,
19399 n_alternatives, output_format.
19400 * regclass.c (scan_one_insn): Cast n_operands to int before
19401 arithmetic inside comparison.
19403 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19405 * toplev.c (compile_function): Unconditionally emit nop.
19407 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19409 * haifa-sched.c (actual_hazard): Move declaration of variable
19410 `this_cost' into the scope where it is used.
19412 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19414 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19415 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19416 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19418 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19420 * jump.c (find_insert_position): Don't declare or define unless
19421 !HAVE_conditional_arithmetic.
19422 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19424 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19426 * recog.c (offsettable_address_p): Prototype function pointer.
19427 (preprocess_constraints): Call memset, not bzero.
19429 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19430 (gcc_obstack_init): Don't declare.
19431 (fix_sizetype): Add static prototype.
19432 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19433 (tree_cons): Call memset, not bzero.
19435 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19436 definition in macro ASM_WEAKEN_LABEL.
19437 (mark_const_hash_entry): Add static prototype.
19439 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19441 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19443 * unroll.c (find_common_reg_term, subtract_reg_term,
19444 loop_find_equiv_value): Add static prototypes.
19445 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19446 (copy_loop_body): Remove unreachable break statement.
19448 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19450 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19452 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19454 Undo some changes from the gcc2 merge:
19455 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19456 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19460 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19461 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19462 initialized float-int union if the value is a NaN.
19464 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19466 * gthr-win32.h: New file.
19468 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19469 shared as a valid attribute.
19470 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19471 * extend.texi: Document `shared' variable attribute.
19473 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19475 * configure.in: Handle --enable-threads on FreeBSD.
19476 * configure: Rebuit.
19478 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19480 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19482 * configure: Rebuilt.
19484 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19485 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19486 Rosimildo DaSilva <rdasilva@connecttel.com>
19488 * configure.in (m68k-*-rtemscoff*): Added.
19489 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19490 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19491 sparc-rtems configuration.
19492 * configure.in (sparc-*-rtemself*): Added.
19493 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19494 * config/i386/rtems.h: Added comment.
19495 * config/sparc/rtemself.h: New file.
19497 * configure.in (m68k-rtemself): Added.
19498 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19499 and DWARF_DEBUGGING_INFO.
19500 * config/m68k/crti.s: New file.
19501 * config/m68k/crtn.s: New file.
19502 * config/m68k/t-crtstuff: New file.
19503 * config/m68k/rtemself.h: New file.
19505 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19506 global ctor/dtor and C++ exception handling.
19507 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19508 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19510 * config/i386/t-rtems-i386: New File.
19512 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19514 * stmt.c (expand_end_case): Return right away if the case stack is
19517 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19519 * Makefile.in (version.c): Remove rule incorrectly brought in from
19522 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19524 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19525 * msdos/top.sed: Take into account a prepended $(SHELL) to
19527 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19529 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19531 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19533 * regmove.c (fixup_match_1): Don't change an unchanging register.
19534 (stable_but_for_p): Renamed to:
19535 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19536 Changed all callers.
19538 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19540 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19541 insn from BL2 is after the insn from BL.
19543 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19545 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19546 (struct insn_data): Merge `template' and `outfun' into `output'.
19547 Add `output_format'.
19548 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19549 (struct data): Remove `outfun'; add `output_format'.
19550 (name_for_index): Remove declaration.
19551 (output_insn_data): Handle output formats.
19552 (process_template): Emit the bare array for @.
19553 (gen_expand, gen_split): Set output_format to NONE.
19554 * output.h (get_insn_template): Declare.
19555 * final.c (get_insn_template): New.
19556 (final_scan_insn): Use it.
19557 * toplev.c (compile_file): Likewise.
19559 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19560 * i860/i860.c (output_delayed_branch): Likewise.
19561 (output_delay_insn): Likewise.
19563 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19565 * rtl.c (obstack_alloc_rtx): Removed.
19567 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19569 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19571 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19573 * i386.c (call_insn_operand): Reject const_int.
19574 (expander_call_insn_operand): Use call_insn_operand.
19576 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19578 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19580 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19582 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19583 Use DImode operation.
19585 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19587 * gcc.c: Include sys/resource.h.
19588 (report_times): New flag.
19589 (execute): If report_times is set, calculate and report the
19590 CPU time consumed by each subprocess.
19592 (rus, prus): New globals.
19593 (option_map): Add --time.
19594 (display_help): Document -time.
19595 (process_command): Set report_times if -time is given.
19596 Turn off -pipe if -time is given.
19598 * invoke.texi: Document new option -time.
19600 * configure.in: Check for getrusage. Check if we have to
19601 prototype getrusage.
19602 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19603 * configure: Regenerate.
19604 * config.in: Regenerate.
19606 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19608 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19611 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19613 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19614 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19615 (nan): Return _thenan_sf or _thenan_df as appropriate.
19616 (L_thenan_sf): Define _thenan_sf.
19617 (L_thenan_df): Define _thenan_df.
19619 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19620 (DPBIT_FUNCS): Add _thenan_df.
19622 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19624 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19627 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19629 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19632 (lang_specific_driver): Don't take a function pointer parameter.
19633 All callers changed.
19635 * gcc.c: Include gcc.h.
19636 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19637 lang_specific_extra_outfiles, fatal): Don't declare.
19638 (multilib_defaults_raw): Constify.
19639 (read_specs): Call memset, rather than bzero.
19640 (main): Call return, not exit.
19641 (lookup_compiler): Call memcpy, not bcopy.
19642 (fatal): Make extern.
19644 * cppspec.c: Include gcc.h.
19645 (lang_specific_driver): Initialize variable `quote'. Constify a
19646 char*. All calls to the function pointer parameter now
19647 explicitly call `fatal'.
19649 * gccspec.c (lang_specific_driver): Include gcc.h.
19651 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19653 * arm.c (note_invalid_constants): Use recog_data.operand_type
19656 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19658 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19661 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19662 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19663 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19664 reload_secondary_in_reload, reload_secondary_out_reload,
19665 reload_secondary_in_icode, reload_secondary_out_icode,
19666 reload_reg_rtx, reload_when_needed): Delete declarations.
19667 (struct reload): New structure.
19668 (rld): Declare new array.
19669 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19670 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19671 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19672 reload_secondary_in_reload, reload_secondary_out_reload,
19673 reload_secondary_in_icode, reload_secondary_out_icode,
19674 reload_reg_rtx, reload_when_needed): Delete definitions.
19676 (whole file): Replace uses of the deleted arrays with uses of rld.
19677 * reload1.c (whole file): Replace uses of the deleted arrays with
19679 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19680 explicit loops, not with bcopy.
19682 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19684 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19685 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19686 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19687 insn_name): Delete and consolidate into new structures.
19688 (insn_operand_predicate_fn): New.
19689 (insn_output_fn): New.
19690 (insn_gen_fn): New.
19691 (struct insn_operand_data): New.
19692 (struct insn_data): New.
19694 (OUT_FCN): Update for insn_data change.
19695 * builtins.c (expand_builtin_strlen): Likewise.
19696 (expand_builtin_memcmp): Likewise.
19697 * combine.c (make_extraction, simplify_comparison): Likewise.
19698 * cse.c (canon_reg, cse_insn): Likewise.
19699 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19700 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19701 (emit_store_flag): Likewise.
19702 * expr.c (convert_move, emit_block_move): Likewise.
19703 (clear_storage, emit_push_insn, expand_increment): Likewise.
19704 (do_store_flag): Likewise.
19705 * expr.h (GEN_FCN): Likewise.
19706 (insn_gen_function): Die.
19707 * final.c (final_scan_insn): Update for insn_data change.
19708 (output_asm_name): Likewise.
19709 * function.c (fixup_var_refs_1): Likewise.
19710 * loop.c (check_dbra_loop): Likewise.
19711 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19712 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19713 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19714 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19715 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19716 * regmove.c (gen_add3_insn): Likewise.
19717 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19718 (find_reloads, find_reloads_address_1): Likewise.
19719 (debug_reload_to_stream): Likewise.
19720 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19721 * stmt.c (expand_end_case): Likewise.
19722 * toplev.c (compile_file): Likewise.
19724 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19725 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19727 * print-rtl.c (insn_name_ptr): Remove declaration.
19728 (get_insn_name): Declare.
19729 (print_rtx): Use it.
19730 * genoutput.c (insn_name_ptr): Remove.
19731 (next_operand_number): New.
19732 (struct operand_data): New.
19733 (null_operand, odata, odata_end): New.
19734 (struct data): Use struct operand_data.
19735 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19736 (get_insn_name): Renamed from name_for_index.
19737 (output_prologue): Define NO_MD_PROTOTYPES.
19738 (output_predicate_decls): Break out from output_epilogue.
19739 Iterate over the operands list.
19740 (output_operand_data): Break out from output_epilogue. Emit
19741 just the operands list.
19742 (output_insn_data): Break out from output_epilogue. Emit just
19744 (output_epilogue): Remove.
19745 (output_get_insn_name): New.
19746 (constraints, op_n_alternatives, predicates, address_p): Die.
19747 (modes, strict_low, seen): Die.
19748 (scan_operands): Take new param `d' instead of writing to
19749 seven global variables.
19750 (compare_operands): New.
19751 (place_operands): New.
19752 (validate_insn_alternatives): Update for struct data change.
19753 (gen_insn): Don't zero or copy 7 global arrays. Update for
19754 scan_operands; call place_operands.
19755 (gen_peephole, gen_expand, gen_split): Likewise.
19756 (main): Update for new output routines.
19758 * genattr.c (insn_name_ptr): Remove.
19759 (get_insn_name): New function.
19760 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19761 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19762 * genrecog.c: Likewise.
19764 * alpha.md (adddi3): Make `pattern' array static.
19766 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19768 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19769 c4x_cpu_version_string): Constify char *.
19770 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19771 c4x_cpu_version_string): Likewise.
19773 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19775 * tree.c (save_tree_status): Revert 10 Sep change.
19776 (restore_tree_status): Likewise. Call obstack_free with NULL
19777 before freeing the obstack proper.
19779 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19781 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19783 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19784 surrounding context.
19786 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19788 * tree.c (type_hash_canon): Put all types in the hash-table, when
19791 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19793 * recog.h (struct recog_data, recog_data): New.
19794 (recog_foo variables): Kill.
19795 * recog.c (recog_operand, recog_operand_loc): Kill.
19796 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19797 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19798 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19799 (recog_data): Define.
19800 (extract_insn): Update all recog_foo references to use recog_data.
19801 (preprocess_constraints, constrain_operands): Likewise.
19802 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19803 * genattrtab.c (main): Likewise.
19804 * genextract.c (main): Likewise.
19805 * genoutput.c: Likewise.
19806 * genrecog.c (write_subroutine, main): Likewise.
19807 * local-alloc.c (block_alloc): Likewise.
19808 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19809 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19810 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19811 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19812 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19813 (reload_cse_simplify_operands): Likewise.
19815 * arc/arc.c (arc_final_prescan_insn): Likewise.
19816 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19817 * h8300/h8300.c (notice_update_cc): Likewise.
19818 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19819 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19820 * mn10200/mn10200.c (notice_update_cc): Likewise.
19821 * mn10300/mn10300.c (notice_update_cc): Likewise.
19822 * romp/romp.c (update_cc): Likewise.
19823 * sparc/sparc.c (check_pic): Likewise.
19824 * v850/v850.c (notice_update_cc): Likewise.
19826 * genemit.c (main): Don't declare recog_operand.
19828 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19830 * ggc.h (rtvec_def): Forward declare.
19831 (tree_node): Likewise.
19832 (ggc_root): Define.
19834 (ggc_set_mark_rtx): Add prototype.
19835 (ggc_set_mark_rtvec): Likewise.
19836 (ggc_set_mark_tree): Likewise.
19837 * ggc-simple.c (ggc_root): Don't define.
19838 (roots): Don't declare.
19839 (ggc_mark_rtx): Remove.
19840 (ggc_mark_rtvec): Likewise.
19841 (ggc_mark_tree): Likewise.
19842 (ggc_mark_varray): Likewise.
19843 (ggc_mark_tree_hash_table_entry): Likewise.
19844 (ggc_mark_tree_hash_table): Likewise.
19845 (ggc_set_mart_rtx): New function.
19846 (ggc_set_mark_rtvec): Likewise.
19847 (ggc_set_mark_tree): Likewise.
19848 (ggc_add_root): Remove.
19849 (ggc_add_rtx_root): Likewise.
19850 (ggc_remove_tree_root): Likewise.
19851 (ggc_add_string_root): Likewise.
19852 (ggc_add_tree_varray_root): Likewise.
19853 (ggc_add_tree_hash_table_root): Likewise.
19854 (ggc_del_root): Likewise.
19855 (ggc_mark_rtx_ptr): Likewise.
19856 (ggc_mark_tree_ptr): Likewise.
19857 (ggc_mark_string_ptr): Likewise.
19858 (ggc_mark_tree_varray_ptr): Likewise.
19859 (ggc_mark_tree_hash_table_ptr): Likewise.
19860 * ggc-common.c: New file.
19861 * Makefile.in (OBJS): Add ggc-common.o.
19862 (ggc-common.o): List dependencies.
19864 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19866 * cppalloc.c (xstrdup): Use memcpy.
19867 * cpperror.c (cpp_print_containing_files): Don't use
19869 * cpplib.c (conditional_skip): Set temp->lineno.
19870 (do_endif): Make error message less obscure.
19871 (if_directive_name): New function.
19872 (cpp_get_token [case EOF]): Unwind the if stack and generate
19873 error messages for each unterminated conditional in this file.
19874 (parse_string): Do not behave differently if -traditional.
19876 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19878 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19879 va_list decomposing to pointer-type.
19880 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19881 (rs6000_va_arg): Likewise.
19883 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19885 * except.c (start_dynamic_handler): Compute size using
19886 STACK_SAVEAREA_MODE.
19888 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19890 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19891 include directory headers. Don't define strrchr. Don't provide
19892 my_* replacement functions. Prefer PTR over `pointer_type'.
19893 Don't prototype system functions. Don't redefine getopt.
19895 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19896 safe_read, safe_write, save_pointers, restore_pointers,
19897 is_id_char, in_system_include_dir, directory_specified_p,
19898 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19899 find_corresponding_lparen, referenced_file_is_newer,
19900 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19901 process_aux_info_file, identify_lineno, check_source,
19902 seek_to_line, forward_to_next_token_char, output_bytes,
19903 output_string, output_up_to, other_variable_style_function,
19904 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19905 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19906 find_static_definition, connect_defs_and_decs, add_local_decl,
19907 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19908 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19909 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19910 scan_for_missed_items, edit_file, string_list_cons): Add static
19912 (standard_exec_prefix, target_machine, target_version,
19913 default_syscalls_dir, string_list, string_list_cons, find_file,
19914 do_cleaning): Constify a char*.
19915 (safe_read, safe_write): Use PTR, not a char*.
19916 (is_id_char): Take an int, not a char.
19917 (main): Add prototype. Call return, not exit.
19919 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19921 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19922 when comparing types.
19924 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19926 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19927 (strength_reduce): Release the varrays from the no-bivs early exit.
19929 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19930 the loop over the registers.
19932 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19934 (restore_tree_status): Check that instead when freeing the obstack.
19936 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19938 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19941 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19943 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19944 operand size modifiers.
19946 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19948 * c-common.c (c_common_nodes_and_builtins): Don't build
19950 * c-common.h (enum c_tree_index and related accesor macros): Remove
19951 everything now declared in tree.h.
19952 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19953 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19954 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19955 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19956 unsigned_type_node, ptr_type_node, va_list_type_node,
19957 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19958 (init_decl_processing): Call build_common_tree_nodes and
19959 build_common_tree_nodes_2 instead of building their nodes here.
19960 Don't add roots for these nodes.
19961 * stor-layout.c (size_zero_node, size_one_node): Delete.
19962 (set_sizetype): Make a new node for bitsizetype each time.
19963 * tree.c (global_trees): New variable.
19964 (init_obstacks): Add a gc root for it.
19965 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19966 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19967 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19968 (build_common_tree_nodes): New function.
19969 (fix_sizetype): New function.
19970 (build_common_tree_nodes_2): New function.
19971 * tree.h (enum tree_index): New.
19972 (global_trees): Declare.
19973 Add accessor macros for all nodes now moved to global_trees.
19974 Delete their declarations.
19976 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19978 * c-decl.c (finish_function): When processing a nested function,
19979 push and pop GC context around rest_of_compilation.
19981 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19983 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19984 Default ix86_arch to PROCESSOR_I386.
19985 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19986 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19987 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19988 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19989 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19990 (EXTRA_SPECS): Remove deleted specs.
19992 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19994 * function.c (assign_stack_local_1): Allocate from
19995 function->x_frame_offset, not frame_offset.
19997 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19999 * ggc.h (lang_cleanup_tree): Remove.
20000 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20001 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20003 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20004 TYPE_LANG_SPECIFIC when garbage collecting.
20005 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20006 (lang_cleanup_tree): Remove.
20008 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20010 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20011 * crtstuff.c: Not here.
20012 * dwarf2out.c: Or here.
20013 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20016 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20018 * function.h (free_after_compilation): Remove decl parameter.
20019 (free_varasm_status0: Likewise.
20020 (free_emit_status): Likewise.
20021 (free_stmt_status): Likewise.
20022 (free_after_compilation): Likewise.
20023 (init_lang_status): New variable.
20024 (free_lang_status): Likewise.
20025 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20026 * function.c (init_lang_status): New variable.
20027 (free_lang_status): Likewise.
20028 (push_function_context_to): Don't set function::decl here.
20029 (free_after_copmilation): Make decl parameter implicit. Call
20030 free_lang_status if defined.
20031 (prepare_function_start): Call init_lang_status if defined.
20032 (init_function_start): Set function::decl here.
20033 * profile.c (output_func_start_profiler): Don't call pushdecl
20034 until we've actually started the function.
20035 * stmt.c (free_stmt_status): Make decl parameter implicit.
20036 * toplev.c (rest_of_compilation): Don't pass decl to
20037 free_after_compilation.
20038 * varasm.c (free_varasm_status): Likewise.
20040 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20042 * except.c (call_get_eh_context): Add root when allocating static
20045 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20047 * arm.c: Include "ggc.h".
20048 (arm_add_gc_roots): New function.
20049 (arm_override_options): Call it.
20050 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20052 * arm.md (define_asm_attributes): Add a pool_range attribute.
20054 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20056 * extend.texi (Volatiles): New node.
20058 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20060 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20061 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20062 (struct ggc_any): Replace `mark' with `magic_mark'.
20063 (ggc_alloc_string): Use memcpy, not bcopy.
20064 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20065 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20066 (ggc_free_any): New.
20067 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20068 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20069 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20070 Use IS_MARKED. Use ggc_free_any.
20072 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20074 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20076 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20078 * toplev.c (main): Always init_ggc.
20080 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20082 * except.c (find_all_handler_type_matches): Free the list if
20083 we found no matches.
20085 * combine.c (SUBST): Break out to a real function do_SUBST.
20086 (SUBST_INT): Likewise.
20087 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20088 (pre_insert): Free `inserted'.
20089 * loop.c (basic_induction_var): Always set `location'.
20091 * function.c (expand_function_end): Add initial_trampoline as a root.
20092 * rtl.h (init_varasm_once): Declare.
20093 * toplev.c (compile_file): Call it.
20094 * ggc-simple.c (ggc_mark_string_ptr): New.
20095 (ggc_add_string_root): New.
20096 (ggc_collect): Disable collection avoidance temporarily.
20097 * ggc.h (ggc_add_string_root): Declare.
20098 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20099 * optabs.c (init_libfuncs): Likewise.
20100 * varasm.c (named_section): Use ggc_alloc_string.
20101 (make_function_rtl): Likewise.
20102 (make_decl_rtl): Likewise.
20103 (assemble_static_space): Likewise.
20104 (assemble_trampoline_template): Likewise.
20105 (output_constant_def): Likewise.
20106 (force_const_mem): Likewise.
20107 (mark_const_hash_entry): New.
20108 (mark_pool_sym_hash_table): New.
20109 (mark_varasm_state): Use it.
20110 (init_varasm_once): New.
20112 * expr.h (init_one_libfunc): Declare.
20113 * optabs.c (init_one_libfunc): New.
20114 (init_optabs): Use it.
20115 * config/gofast.h: Likewise.
20116 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20117 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20119 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20121 * Makefile.in (cppexp.o): Depend on cpphash.h.
20122 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20124 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20125 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20126 redefining poisoned identifiers, etc.
20127 (do_undef): Don't allow poisoned identifiers to be undefined.
20128 (do_pragma): Add #pragma poison.
20129 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20131 * cccp.c: Add T_POISON node type.
20132 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20134 (do_define): Generalise to handle poisoned definitions,
20135 redefining poisoned identifiers, etc.
20136 (do_undef): Don't allow poisoned identifiers to be undefined.
20137 (do_pragma): Add #pragma poison.
20138 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20140 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20141 * c-pragma.h: Add ps_poison state. We now always have generic
20144 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20146 * ggc.h (ggc_alloc): New function.
20147 (ggc_mark): Likewise.
20148 * ggc-simple.c (ggc_any): New structure.
20149 (ggc_status): Add anys.
20150 (n_anys_collected): New variable.
20151 (ggc_alloc): Define.
20152 (ggc_mark): Likewise.
20153 (ggc_collect): Collect the anys.
20155 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20157 * c-decl.c (mark_binding_level): Make static to match prototype.
20159 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20161 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20163 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20165 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20166 will use into account. Expand the max width to 5.
20169 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20171 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20172 for the rtx length.
20174 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20176 * alpha.md (call value patterns): Remove the result predicates.
20178 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20180 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20183 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20185 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20186 changed from extern char *, to extern PTR. Also fix typo in
20187 NEED_DECLARATION_REALLOC test.
20189 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20191 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20193 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20194 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20195 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20196 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20198 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20200 * cccp.c (pcfinclude): Likewise.
20202 * global.c (allocno_compare): Likewise.
20204 * haifa-sched.c (rank_for_schedule): Likewise.
20206 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20208 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20210 * stupid.c (stupid_reg_compare): Likewise.
20212 * tree.c (_obstack_allocated_p): Likewise.
20214 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20216 1999-09-08 Bruce Korb autogen@linuxbox.com
20218 * Makefile.in: Give the hapless gperf user a hint about
20219 why "gperf -F" fails.
20221 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20223 * lists.c: Include ggc.h.
20225 (init_EXPR_INSN_LIST_cache): Install it.
20227 * ggc-simple.c (init_ggc): Absorb the old init.
20228 (ggc_push_context): Use xcalloc.
20229 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20230 (ggc_collect): Add [rvts] tags to the collection stats.
20232 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20234 * cccp.c (main): Fix handling of -include and -imacros options.
20236 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20238 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20240 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20242 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20245 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20247 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20248 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20249 and SET_DEST. Update comment.
20251 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20253 * config/c4x/c4x.c: Include ggc.h.
20254 (c4x_add_gc_roots): New function.
20255 (c4x_override_options): Call c4x_add_gc_roots.
20257 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20259 * defaults.h (TARGET_ESC): Move ...
20260 * system.h: ... here, where Linas had it in the first place. Silly me.
20262 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20264 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20265 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20266 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20267 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20268 * defaults.h (TARGET_ESC): Add default.
20270 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20272 * configure.in: add i370-*-openedition, i370-*-mvs and
20273 i370-*-linux targets
20275 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20277 * dsp16xxx.c: Include ggc.h
20278 (override_options): Mark GC roots.
20279 * mn10200.c: Include ggc.h.
20280 (asm_file_start): Mark GC roots.
20281 * tahoe.c: Include ggc.h.
20282 (extensible_operand): Mark GC roots.
20284 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20286 * README: Add section discussing status of ELF ABI.
20287 * i370.c: Fix misc spelling mistakes.
20288 (i370_label_scan): Updated notes, exception handling.
20289 (i370_function_prolog): Simplify ELF stack handling.
20290 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20291 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20292 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20293 * i370.md: (movdi): Add notes.
20294 (floatsidf2): Use stack not rtca for scratch float area.
20295 (iorsi3): Correct operand constraints.
20296 * x-oe: Restore TAROUTOPTS which are used by pax.
20298 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20300 * rs6000.c: Include ggc.h.
20301 (rs6000_add_gc_roots): New function.
20302 (override_options): Call it.
20304 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20306 * alpha.h (alpha_compare): New.
20307 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20308 * alpha.c: Likewise for the definitions.
20309 (alpha_emit_conditional_branch): Update for alpha_compare.
20310 (alpha_emit_conditional_move): Likewise.
20311 * alpha.md (cmpdf, cmpdi): Likewise.
20312 (setcc patterns): Likewise. Zero alpha_compare after use.
20313 (sne): Optimize (x != 0) into (0U < x).
20315 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20317 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20318 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20319 (INIT_EXPANDERS): Remove.
20320 * alpha.c: Include ggc.h.
20321 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20322 (alpha_init_machine_status, alpha_mark_machine_status): New.
20323 (override_options): Install them.
20324 (struct machine_function): Moved to alpha.h.
20325 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20326 (alpha_init_expanders): Remove.
20327 (alpha_return_addr): Adjust to use current_function->machine.
20328 (alpha_ra_ever_killed): Likewise.
20329 (alpha_expand_epilogue): Likewise.
20330 * alpha.md (eh_epilogue): Likewise.
20332 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20333 Melissa O'Neill <oneill@cs.sfu.ca>
20334 Geoffrey Keating <geoffk@cygnus.com>
20336 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20337 call-used registers (call-saved registers must still be contiguous
20338 and end with r31, of course).
20340 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20342 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20343 (self_promoting_type_p): Delete.
20344 (self_promoting_args_p): Move ...
20345 * c-common.c: ... here.
20346 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20347 (simple_type_promotes_to): New.
20348 * builtins.c (lang_type_promotes_to): New.
20349 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20350 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20351 * c-common.h: ... here.
20352 (self_promoting_args_p, simple_type_promotes_to): Declare.
20353 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20354 (grokdeclarator): Likewise.
20355 * tree.h (lang_type_promotes_to): Declare.
20357 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20359 Add some machine-dependent GC roots.
20360 * sparc.c: Include ggc.h.
20361 (sparc_add_gc_roots): New function.
20362 (mark_ultrasparc_pipeline_state): Likewise.
20363 (override_options): Call sparc_add_gc_roots.
20364 * pa.c: Include ggc.h.
20365 (pa_add_gc_roots): New function.
20366 (mark_deferred_plabels): Likewise.
20367 (override_options): Call pa_add_gc_roots.
20368 * mips.c: Include ggc.h.
20369 (mips_add_gc_roots): New function.
20370 (override_options): Use it.
20372 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20374 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20376 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20377 cpp_parse_expr): Add static prototypes.
20378 (parse_charconst): Don't cast away const-ness.
20379 (token): Constify a char*.
20381 * cppfiles.c (file_name_list, include_hash, find_include_file,
20382 finclude, initialize_input_buffer): Constify a char*.
20383 (file_cleanup, find_position): Add static prototypes.
20385 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20386 collect_expansion): Add static prototypes.
20387 (cpp_install, create_definition, monthnames): Constify a char*.
20389 * cpphash.h (cpp_install): Likewise.
20391 * cppinit.c (known_suffixes, default_include,
20392 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20393 (base_name, dump_special_to_buffer, initialize_dependency_output):
20394 Add static prototypes.
20396 * cpplib.c (my_strerror): Constify a char*.
20397 (null_underflow, null_cleanup, skip_comment, copy_comment,
20398 copy_rest_of_line, handle_directive, pass_thru_directive,
20399 get_directive_token, read_line_number, cpp_print_file_and_line,
20400 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20401 v_cpp_warning_with_line, detect_if_not_defined,
20402 consider_directive_while_skipping): Add static prototypes.
20403 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20404 cpp_pedwarn_with_file_and_line): Constify a char*.
20406 * cpplib.h (cpp_options, include_hash, progname, definition,
20407 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20408 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20409 find_include_file, deps_output, include_hash): Constify a char*.
20411 * cppmain.c (progname): Constify.
20412 (main): Add prototype. Use return, not exit.
20414 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20415 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20416 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20417 check_protection): Add static prototype.
20419 (progname, recognized_macrom, recognized_extern): Constify a char*.
20420 (main): Add prototype.
20422 * gen-protos.c (progname): Constify a char*.
20424 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20426 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20427 (init_emit_once): Add more GC roots.
20428 * except.c (mark_func_eh_entry): New function.
20429 (mark_eh_node): Mark false_label and rethrow_label.
20430 (init_eh): Add more GC roots.
20431 * function.c (free_after_compilation): Take decl as a paramter.
20432 Call free_stmt_status.
20433 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20435 * function.h (free_after_compilation): Change prototype.
20436 (free_varasm_status): Likewise.
20437 (free_emit_status): Likewise.
20438 (free_stmt_status): New function.
20439 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20440 Remove, replacing with ...
20441 (ggc_status): New structure.
20442 (ggc_chain): New variable.
20443 (init_gcc): Define.
20444 (ggc_push_context): New function.
20445 (ggc_pop_context): Likewise.
20446 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20447 (ggc_alloc_rtvec): Likewise.
20448 (ggc_alloc_tree): Likewise.
20449 (ggc_alloc_string): Likewise.
20450 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20451 (ggc_mark_tree): Give language-dependent code a chance to mark
20453 (ggc_mark_tree_varray): Handle empty arrays.
20454 (ggc_collect): Adjust for use of ggc_chain. Clear
20455 bytes_alloced_since_last_gc.
20456 * ggc.h (ggc_pop_context): New function.
20457 (ggc_push_context): Likewise.
20458 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20459 * stmt.c (free_stmt_status): New function.
20460 (init_stmt_for_function): Clear last_expr_value.
20461 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20462 Conditionalize call to ggc_collect.
20463 (main): Call init_ggc.
20464 * tree.c (push_obstacks): Do the push, even when GC'ing.
20465 (push_obstacks_nochange): Likewise.
20466 (pop_obstacks): Liekwise.
20467 * varasm.c (free_varasm_status): Take decl as a parameter.
20469 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20471 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20472 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20473 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20474 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20476 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20478 * pa/x-pa-mpeix: New file for the MPE port.
20480 * pa/quadlib.asm: New file for long double support.
20482 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20483 * configure: Rebuilt.
20485 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20487 * final.c (shorten_branches): Fix last change.
20489 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20491 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20493 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20495 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20498 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20500 * c-aux-info.c (concat): Don't define.
20502 * cccp.c (my_strerror): Likewise. All callers changed to use
20504 (do_include): Call xstrdup, not xmalloc/strcpy.
20505 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20506 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20508 * collect2.c (my_strsignal): Likewise. All callers changed to use
20510 (locatelib): Call xstrdup, not xmalloc/strcpy.
20512 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20514 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20516 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20518 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20520 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20522 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20524 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20526 (find_all_handler_type_matches): Likewise. Don't check return
20528 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20529 xmalloc, not malloc.
20530 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20532 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20533 (init_spec): Call xcalloc, not xmalloc/bzero.
20534 (set_spec): Call xstrdup, not save_string.
20535 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20536 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20537 (process_command): Call xstrdup, not save_string.
20538 (main): Call xcalloc, not xmalloc/bzero.
20540 * gcov.c (xmalloc): Don't define.
20541 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20542 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20543 (output_data): Call xcalloc, not xmalloc/bzero.
20545 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20547 * mips-tdump.c (xmalloc): Don't define.
20548 (print_symbol): Call xmalloc, not malloc.
20549 (read_tfile): Call xcalloc, not calloc.
20551 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20552 Don't define. All callers of xfree/my_strsignal changed to use
20553 free/strsignal instead.
20554 (allocate_cluster): Call xcalloc, not calloc.
20556 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20557 Fix memory leak, free allocated memory.
20559 * prefix.c (translate_name): Call xstrdup, not save_string.
20560 (update_path): Likewise.
20562 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20564 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20565 Don't define. Callers of xfree/savestring2 changed to use
20566 free/concat instead.
20568 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20569 (init_elim_table): Likewise.
20571 * resource.c (init_resource_info): Likewise.
20573 * stupid.c (stupid_life_analysis): Likewise.
20575 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20576 (open_dump_file): Call concat, not xmalloc/strcpy/...
20577 (clean_dump_file): Likewise.
20578 (compile_file): Call xstrdup, not xmalloc/strcpy.
20580 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20582 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20583 * v850.c (v850_va_arg): New.
20585 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20587 * haifa-sched.c: Tidy comments.
20589 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20591 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20592 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20593 $(out_object_file)): Depend on ggc.h.
20594 * c-common.c: Include "ggc.h".
20595 (combine_strings): If doing GC, use ggc_alloc_string.
20596 * c-decl.c: Include "ggc.h".
20597 (ggc_p): Define with value 0.
20598 (mark_binding_level): New function.
20599 (init_decl_processing): Add GC roots.
20600 (mark_c_function_context): New function.
20601 (lang_mark_false_label_stack): New function.
20602 (lang_mark_tree): New function.
20603 (lang_cleanup_tree): New function.
20604 * c-lang.c: Include "ggc.h".
20605 (lang_init): Call c_parse_init.
20606 * c-lex.c: Include "ggc.h".
20607 (check_linenum): If doing GC, don't copy filenames to permanent
20609 * c-parse.in: Include "ggc.h".
20610 (c_parse_init): New function.
20611 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20612 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20614 * except.c (mark_eh_state): Mark more state.
20615 * function.c (mark_function_state): Likewise.
20616 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20617 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20618 * toplev.c (mark_file_stack): New function.
20619 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20620 (main): Add root for input_file_stack.
20622 * i386.c: Include "ggc.h".
20623 (ix86_mark_machine_status): New function.
20624 (override_options): Set mark_machine_status.
20626 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20628 * tree.c (copy_node): Copy node contents also if doing GC.
20630 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20632 * collect2.c (scan_libraries): Fix double-thinko :-).
20634 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20636 * collect2.c (scan_libraries): Fix thinko.
20638 * cse.c (delete_trivially_dead_insns): Do not skip the last
20639 insn if it is a real insn.
20641 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20643 * Makefile.in (ggc-simple.o): Depend on hash.h.
20644 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20645 (ggc_mark_tree_varray): Likewise.
20646 (ggc_mark_tree_hash_table): Likewise.
20647 * ggc-simple.c: Include hash.h.
20648 (ggc_mark_tree_hash_table_ptr): New function.
20649 (ggc_mark_tree_hash_table_entry): Likewise.
20650 (ggc_mark_tree_hash_table): Likewise.
20651 (ggc_add_tree_hash_table_root): Likewise.
20652 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20653 rtx, when defining fields.
20655 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20657 * profile.c (output_func_start_profiler): Remove apparently
20658 nonsensical call to start_sequence.
20660 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20662 * clipper/clipper.c (clipper_va_start): Fix typos.
20664 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20665 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20666 (spur_va_arg): New stub.
20668 * configure.in: Comment out pyramid.
20670 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20672 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20673 don't conflict with the bits that win32, cygwin, and dgux
20676 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20677 Bernd Schmidt <bernds@cygnus.co.uk>
20679 * integrate.c (function_cannot_inline_p): Do not inline
20680 functions with forced labels.
20682 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20683 Bernd Schmidt <bernds@cygnus.co.uk>
20684 Mark Mitchell <mark@codesourcery.com>
20686 * Makefile.in (ggc-simple.o): Depend on varray.h.
20687 (rtl.o): Depend on ggc.h.
20688 (genattrtab.o): Depend on ggc.h.
20689 (print-tree.o): Likewise.
20690 (fold-const.o): Likewise.
20691 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20692 (make_insn_raw): Don't cache insns when GC'ing.
20693 (emit_insn_before): Likewise.
20694 (emit_insn_after): Likewise.
20695 (emit_insn): Likewise.
20696 (start_sequence): Use xmalloc to allocate the sequence_stack.
20697 (end_sequence): Add free to free it.
20698 (gen_sequence): Don't cache insns when GC'ing.
20699 (clear_emit_caches): Don't use sequence_element_free_list.
20700 (init_emit): Use xcalloc, not xmalloc+bzero.
20701 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20702 * function.c (pop_function_context_from): Use free to free the
20703 fixup_var_refs_queue.
20704 (put_reg_into_stack): Allocate it with xmalloc.
20705 * genattrtab.c: Include ggc.h.
20706 (operate_exp): Don't use obstack_free when GC'ing.
20707 (simplify_cond): Likewise.
20708 (simplify_text_exp): Likewise.
20709 (optimize_attrs): Likewise.
20710 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20712 (gencode): Generate a #include for ggc.h.
20713 * ggc-callbacks.c (ggc_p): Define it to zero.
20714 * ggc-none.c (ggc_p): Likewise.
20715 * ggc-simple.c: Include varray.h.
20716 (ggc_mark_tree_varray): New function.
20717 (ggc_add_tree_varray_root): Likewise.
20718 (ggc_mark_tree_varray_ptr): Likewise.
20719 * ggc.h (ggc_p): Declare.
20720 (varray_head_tag): Likewise.
20721 (ggc_add_tree_varray_root): Declare.
20722 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20723 inconsistencies when GC'ing.
20724 * rtl.c: Include ggc.h.
20725 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20726 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20727 (rtx_free): Don't call obstack_free when GC'ing.
20728 * toplev.c (rest_of_compilation): Call ggc_collect after every
20730 * tree.c (push_obstacks): Do nothing, if GC'ing.
20731 (pop_obstacks_nochange): Likewise.
20732 (pop_obstacks): Likewise.
20733 (make_node): Use ggc_alloc_tree when GC'ing.
20734 (copy_node): Likewise.
20735 (get_identifier): Use ggc_alloc_string when GC'ing.
20736 (build_string): Likewise.
20737 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20738 (tree_cons): Likewise.
20739 (build1): Likewise.
20740 (type_hash_canon): Don't call obstack_free when GC'ing.
20742 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20744 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20745 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20747 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20748 Bernd Schmidt <bernds@cygnus.co.uk>
20749 Mark Mitchell <mark@codesourcery.com>
20751 * Makefile.in (stor-layout.o): Depend on ggc.h.
20752 (expr.o): Depend on ggc.h.
20753 (profile.o): Depend on ggc.h.
20754 (stor-layout.o): Depend on ggc.h.
20755 * emit-rtl.c (init_emit_once): Add gc roots.
20756 * expr.c: Include ggc.h.
20757 (emit_block_move): Add gc roots.
20758 (clear_storage): Likewise.
20759 * expr.h (init_stor_layout_once): New function.
20760 * profile.c: Include ggc.h.
20761 (init_arc_profiler): profiler_label is a root.
20762 * scan.c (make_sstring_space): Trust xrealloc to function
20763 correctly with first parameter NULL.
20764 * stor-layout.c: Include ggc.h.
20765 (set_sizetype): Add gc root.
20766 (init_stor_layout_once): New function.
20767 * toplev.c (compile_file): Call it.
20769 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20770 Bernd Schmidt <bernds@cygnus.co.uk>
20771 Mark Mitchell <mark@codesourcery.com>
20773 * Makefile.in (tree.o): Depend on ggc.h.
20774 (varasm.o): Likewise.
20775 (function.o): Likewise.
20776 (stmt.o): Likewise.
20777 (except.o): Likewise.
20778 (optabs.o): Likewise.
20779 (emit-rtl.o): Likewise.
20780 * emit-rtl.c: Include ggc.h.
20781 (sequence_element_free_list): Remove, and all references.
20782 (mark_sequence): New functions.
20783 (mark_emit_state): New function.
20784 * except.c: Include ggc.h.
20785 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20786 (mark_tree_label_node): New functions.
20787 (mark_eh_state): New function.
20788 * function.c: Include ggc.h.
20789 (mark_temp_slot, mark_function_chain): New functions.
20790 (mark_function_state): New function.
20791 (init_function_once): New function.
20792 * function.h (init_function_once): New function.
20793 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20794 * ggc.h (label_node): Declare.
20795 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20796 (lang_mark_false_label_stack): New function.
20797 (mark_temp_slot): Remove declaration.
20798 (mark_function_chain): Likewise.
20799 (mark_eh_state): Adjust prototype.
20800 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20802 * optabs.c: Include ggc.h.
20803 (mark_optab): New function.
20804 (init_optabs): Add gc roots.
20805 * stmt.c: Include ggc.h.
20806 (mark_cond_nesting, mark_loop_nesting): New functions.
20807 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20808 (mark_stmt_state): New function.
20809 * toplev.c (compile_file): Call init_function_once.
20810 * tree.c: Include ggc.h.
20811 (type_hash): Move declaration earlier in file.
20812 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20813 (init_obstacks): Add gc roots.
20814 (mark_type_hash): New function.
20815 * varasm.c: Include ggc.h.
20816 (mark_pool_constant): New function.
20817 (mark_varasm_state): New function.
20819 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20821 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20823 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20825 * c-decl.c (struct language_function): Renamed from struct c_function.
20827 (c_function_chain): Delete.
20828 (push_c_function_context): New arg F. Don't warn about nested
20829 functions here. Fill LANGUAGE elt of F. Delete code to update
20830 c_function_chain. Don't call push_function_context.
20831 (pop_c_function_context): New arg F. Restore from there instead of
20832 from c_function_chain. Don't call pop_function_context. Clear out
20833 LANGUAGE field of F when done.
20834 * c-lang.c: Include "function.h"
20835 (lang_init): Initialize save_lang_status and restore_lang_status.
20836 * c-parse.in (nested_function, nested_function_notype): Warn about
20837 nested functions. Call push_function_context/pop_function_context
20838 instead of the _c_ variants.
20839 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20841 * Makefile.in (c-lang.o): Update dependencies.
20843 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20844 regno_pointer_flag, regno_pointer_align.
20845 (gen_reg_rtx): Use xrealloc to enlarge them.
20846 (free_emit_status): New function.
20847 * function.c (mark_machine_status, mark_lang_status): New variables.
20848 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20849 in some bits from assign_stack_local. All callers changed to use new
20851 (assign_stack_local): Just call assign_stack_local_1.
20852 (free_after_compilation): New function.
20853 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20854 (trampoline_address): Likewise.
20855 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20856 (prepare_function_start): Explicitly clear some more variables.
20857 * function.h (struct function): New elt can_garbage_collect.
20858 (mark_machine_status, mark_lang_status): Declare variables.
20859 (free_after_compilation, free_emit_status, free_varasm_status,
20860 init_varasm_status): Declare functions.
20861 * toplev.c (rest_of_compilation): Call free_after_compilation when
20862 done with the current function.
20863 * varasm.c (free_varasm_status): New function.
20865 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20867 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20868 (EXPAND_BUILTIN_VA_ARG): Define.
20869 * sparc.c (sparc_va_start): New.
20870 (sparc_va_arg): New.
20872 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20874 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20876 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20878 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20880 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20882 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20883 (OBJS): Add $(GGC).
20884 (ggc-callbacks.o): New target.
20885 * ggc-callbacks.c: New file.
20887 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20889 * expr.h: Collapse individual optab and libfunc vars to arrays.
20890 (optab_index, libfunc_index): New enumerations.
20891 (optab_table, libfunc_table): New arrays.
20892 Add accessor macros for both.
20894 * optabs.c (optab_table, libfunc_table): New.
20895 Delete declarations for individual optab and libfunc vars.
20897 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20899 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20901 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20903 * Makefile.in (GGC, GGC_LIB): New.
20904 (HOST_RTL): Include ggc-none.o.
20905 (ggc-simple.o): New target.
20906 (ggc-none.o): Likewise.
20907 * tree.h (tree_common): Add gc_mark.
20908 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20909 (struct rtvec_def): Add gc_mark.
20910 * emit-rtl.c (global_rtl): Update static initializers to contain
20911 enough initializers.
20912 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20913 * toplev.c (gc_time): New variable.
20914 (all_time): New variable.
20915 (compile_file): Print gc time.
20916 (print_time): Calculate percentage of the whole.
20918 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20920 Change obstack memory management and varasm constant pool handling so
20921 that nested functions are treated like any other functions.
20922 * function.c (init_machine_status): New variable.
20923 (push_function_context_to): Set contains_functions for the outer
20924 function. Don't call save_varasm_status.
20925 (pop_function_context_from): Don't call restore_varasm_status. Don't
20926 set current_function_contains_functions.
20927 (prepare_function_start): Call init_varasm_status rather than
20928 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20930 * function.h (struct function) Add field varasm. Delete fields
20931 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20932 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20933 (init_machine_status): Declare.
20934 (save_varasm_status, restore_varasm_status): Delete declarations.
20935 (save_tree_status, restore_tree_status): Delete last argument.
20936 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20937 code. All callers changed.
20938 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20939 save_constants_in_decl_trees, restore_constants, save_constants,
20940 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20942 (inlining): New variable.
20943 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20944 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20946 (save_for_inline_nocopy): Don't save constants.
20947 Don't set inl_emit field in current_function.
20948 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20949 function. Set new variable inlining before
20950 calling copy_rtx_and_substitute.
20951 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20952 constant pool references if inlining is nonzero.
20953 Delete ADDRESS and (most of the) CONST cases.
20954 (output_inline_function): Save and restore current_function/
20955 current_function_decl. Delete restore_constants code. Don't call
20956 init_const_rtx_hash_table.
20957 * output.h (init_const_rtx_hash_table): Don't declare.
20958 * rtl.h (struct function): Declare.
20959 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20960 * toplev.c (rest_of_compilation): Don't treat nested functions or
20961 functions containing them specially. Delete all code to deal with
20962 save_for_inline_copying.
20963 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20964 inline_obstacks): Delete variables.
20965 (save_tree_status): Lose arg CONTEXT. All callers changed.
20966 Simply allocate a new function_maybepermanent_obstack for the new
20967 function, delete all the special cases.
20968 Don't save inline_obstacks.
20969 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20970 Delete special handling for function_maybepermanent_obstack; simply
20972 Don't restore inline_obstacks.
20973 (permanent_allocation): Delete code that frees inline_obstacks.
20974 (print_inline_obstack_statistics): Delete function.
20975 (dump_tree_statistics): Don't call it.
20976 * varasm.c (struct varasm_status): New.
20977 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20978 last_pool, pool_offset, const_double_chain): Delete global
20979 variables, replace with accessor macros.
20980 (immed_double_const): Don't walk const_double_chain outside a
20981 function, but don't treat nested functions specially anymore.
20982 (immed_real_const_1): Likewise.
20983 (clear_const_double_mem): Don't treat nested functions specially.
20984 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20985 (save_varasm_status, restore_varasm_status): Delete functions.
20986 (init_varasm_status): New function.
20987 (force_const_mem): Don't treat nested functions specially.
20988 (find_pool_constant): Accept new arg F, search for constants in
20989 that function's pool rather than the current one. All callers
20991 (get_pool_constant_for_function, get_pool_mode_for_function): New
20994 * i386.c (init_386_machine_status): New function, mostly from
20995 clear_386_stack_locals.
20996 (struct machine_functions): Rename element names to avoid name
20998 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20999 macros, replacing global variables.
21000 (clear_386_stack_locals, save_386_machine_status,
21001 restore_386_machine_status): Delete functions.
21002 (override_options): Initialize init_machine_status.
21003 * i386.h (INIT_EXPANDERS): Delete macro.
21004 (save_386_machine_status, restore_386_machine_status,
21005 clear_386_stack_locals): Delete declarations.
21007 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21009 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21010 (doloop_begin): Simplify pattern and use emit_jump_insn.
21011 (doloop_end): Simplify pattern, switch operand order,
21012 and use emit_jump_insn.
21014 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21016 * function.h (struct function): Add new element LANGUAGE.
21017 (save_lang_status): Declare new variable.
21018 (restore_lang_status): Likewise.
21019 * function.c (save_lang_status): Define.
21020 (restore_lang_status): Likewise.
21021 (push_function_context_to): Call language-specific save function.
21022 (pop_function_context_from): Call language-specific restore function.
21024 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21026 * i386.md (movsf_1): Check REG_P before use of REGNO.
21027 (movdf_1): Likewise.
21028 (movxf_1): Likewise.
21029 (extendsfdf2): Likewise.
21030 (extendsfxf2): Likewise.
21031 (extenddfxf2): Likewise.
21033 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21035 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21036 constants into memory.
21037 (c4x_shiftable_constant): New function.
21038 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21039 (c4x_shiftable_constant): Declare.
21040 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21041 ashlqi3_noclobber): Add new patterns and associated splitters.
21043 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21045 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21046 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21047 * final.c (shorten_branches): Likewise.
21048 * global.c (global_alloc): Likewise.
21049 * haifa-sched.c (build_control_flow): Likewise.
21050 * stmt.c (check_for_full_enumeration_handling): Likewise.
21051 (estimate_case_costs): Likewise.
21053 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21055 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21057 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21059 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21060 (recompute_reg_usage): Likewise.
21061 * rtlanal.c (find_regno_fusage): Likewise.
21063 * rtl.c (rtl_check_failed_code1): New function.
21064 (rtl_check_failed_code2): New.
21065 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21066 (RTL_CHECKC1, RTL_CHECKC2): New.
21067 (XC*): New accessor macros.
21068 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21069 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21070 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21071 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21072 (TRAP_*, RANGE_INFO_*): Likewise.
21074 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21076 * Makefile.in (tlink.o): Don't depend on toplev.h.
21078 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21079 output_file, nm_file_name, ldd_file_name, strip_file_name,
21080 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21081 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21082 fork_execute, maybe_unlink, add_to_list,
21083 extract_init_priority, write_list, dump_list,
21084 dump_prefix_list, write_list_with_asm, write_c_file,
21085 write_c_file_stat, write_c_file_glob, scan_prog_file,
21086 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21087 ignore_library, extract_string, notice, dump_file, target_machine,
21088 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21089 read_file, print_load_command): Constify a char*.
21090 (fdopen, error, fatal, fatal_perror): Don't prototype.
21091 (my_strerror): Remove. All callers use xstrerror instead.
21092 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21093 (main): Add prototype. Constify lots of char* ptrs. Change calls
21094 to xcalloc/strcpy/strcat/... to one call to concat.
21095 (main, scan_prog_file, scan_libraries): Use an intermediate
21096 `const char **' to build an argv array.
21097 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21099 * collect2.h (collect_execute, collect_wait, dump_file,
21100 file_exists): Constify a char*.
21101 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21102 temporary_firstobj, vflag, debug): Add extern declarations.
21103 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21105 * tlink.c: Don't include toplev.h.
21106 (vflag, debug, ldout, c_file_name, temporary_obstack,
21107 permanent_obstack, temporary_firstobj): Don't declare.
21108 (tlink_execute, frob_extension, symbol_hash_lookup,
21109 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21110 recompile_files, read_repo_files, demangle_new_symbols,
21111 scan_linker_output): Constify a char*.
21112 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21113 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21115 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21117 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21118 (relative) rather than jsr (absolute) subroutine call insns.
21119 * config/m68k/m68k-coff.h: Ditto.
21121 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21123 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21124 now rework these too.
21125 (arm_reorg): If an insn can't reach the end of the current pool,
21126 ensure that we emit that pool before the insn.
21128 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21130 * tlink.c (scan_linker_output): Skip the initial underscore in
21131 a mangled name if appropriate.
21133 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21135 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21136 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21137 error_with_ivar, gen_declarator, create_builtin_decl,
21138 my_build_string, generate_descriptor_table, generate_ivars_list,
21139 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21140 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21141 dump_base_name, lang_decode_option, build_encode_expr,
21142 start_class, finish_class, encode_pointer, really_start_method,
21143 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21145 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21146 Add static prototypes.
21147 (build_objc_string_decl, build_selector_reference_decl,
21148 encode_bitfield, build_class_reference_decl): Remove unused
21149 parameter, all callers changed.
21150 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21151 (objc_printable_name): Likewise. Change second parameter to type int.
21152 (init_objc): Use memcpy, not bcopy, to avoid casts.
21154 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21156 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21157 reg notes on a deleted insn.
21158 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21160 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21162 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21164 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21166 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21169 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21171 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21172 * tm.texi (MD_ASM_CLOBBERS): Document it.
21174 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21176 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21177 * except.c (expand_rethrow): Remove unused variable.
21178 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21179 * flow.c (replace_insns): Likewise.
21180 (create_edge_list, verify_edge_list): Likewise.
21181 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21183 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21184 is special code to run.
21185 (main): Don't define operands to emit_operand.
21186 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21188 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21190 * alpha/alpha.h (normal_memory_operand): Declare.
21191 (reg_no_subreg_operand): Declare.
21192 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21194 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21196 * c-parse.in (compstmt_primary_start): New, broken out of first
21197 part of compstmt handling in primary.
21198 (primary): Use it. Add an error clause.
21199 (compstmt_nostart): Renamed from compstmt; remove all
21200 initial invocations of compstmt_start.
21203 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21205 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21208 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21210 * combine.c (simplify_shift_const): Remove extra semicolon.
21211 * dwarf2out.c (remove_AT): Likewise.
21212 * expmed.c (expand_mult): Likewise.
21213 * gcov.c (create_program_flow_graph): Likewise.
21214 * reorg.c (mostly_true_jump): Likewise.
21216 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21218 * fold-const.c (fold_range_test): Do not try to fold the range
21219 test if the rhs or lhs has side effects.
21221 * combine.c (simplify_rtx): Recognize another case of a synthesized
21224 * varasm.c (mark_constant_pool): When marking indirect references,
21225 only look at SYMBOL_REFs.
21227 * except.c (expand_fixup_region_end): Do not peek at
21228 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21230 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21232 * flags.h: New variables align_loops, align_loops_log,
21233 align_jumps, align_jumps_log, align_labels, align_labels_log,
21234 align_functions, align_functions_log.
21235 * toplev.c: Define them.
21236 (f_options): Handle -falign-* when they have no argument.
21237 (main): Add logic to set variables for -falign-functions,
21238 -falign-jumps, -falign-labels, -falign-loops.
21239 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21240 (display_help): Change help to match options.
21241 * final.c (LABEL_ALIGN): Default to align_labels_log.
21242 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21243 (LOOP_ALIGN): Default to align_loops_log.
21244 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21245 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21246 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21247 * varasm.c (assemble_start_function): Handle align_functions.
21249 * config/sparc/sparc.h: Don't declare sparc_align_*.
21250 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21251 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21253 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21255 * config/sparc/sparc.c: Delete sparc_align_loops,
21256 sparc_align_jumps, sparc_align_funcs and the corresponding string
21258 (sparc_override_options): Default align_functions on ultrasparc.
21259 Delete -malign-* handling.
21261 * config/mips/mips.c (override_options): On 64-bit targets,
21262 try to align code to 64-bit boundaries.
21263 (print_operand): New substitution, %~,
21264 which aligns labels to align_labels_log.
21265 * config/mips/mips.md (div_trap_normal): Use %~.
21266 (div_trap_mips16): Likewise.
21268 (absdi2): Likewise.
21269 (ffssi2): Likewise.
21270 (ffsdi2): Likewise.
21271 (ashldi3_internal): Likewise.
21272 (ashrdi3_internal): Likewise.
21273 (lshrdi3_internal): Likewise.
21274 (casesi_internal): Likewise.
21276 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21278 Merge new ia32 backend from the branch!
21280 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21281 See ChangeLog.P2 on new_ia32_branch for details.
21283 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21284 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21285 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21286 * i386/gas.h (ASM_FILE_START): Define.
21287 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21288 for name change of ix86_valid_decl_attribute_p.
21289 (i386_pe_valid_type_attribute_p): Similarly.
21291 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21293 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21294 to step through CC modes.
21296 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21298 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21299 it would end up in the shadow of a live flags regsiter.
21301 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21303 * reload1.c: Fix many indentation problems.
21304 * reload.c: Likewise.
21306 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21308 * alias.c (non_local_reference_p): Constify fmt.
21310 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21312 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21314 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21316 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21317 the internal_arg_pointer.
21319 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21321 Merge peephole2 from new_ia32_branch:
21322 * Makefile.in (STAGESTUFF): Add *.peephole2.
21323 (mostlyclean): Likewise.
21324 (recog.o): Depend on resource.h.
21326 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21327 (final_scan_insn): Likewise for the invocation of peephole.
21328 * genconfig.c (main): Look for peephole and peephole2 patterns.
21329 Emit HAVE_peephole* accordingly.
21330 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21331 * flags.h (flag_peephole2): Declare.
21332 * toplev.c: New pass peephole2. New flag -fpeephole2.
21334 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21335 * gencodes.c (main): Likewise.
21336 * genextract.c (main): Likewise.
21337 * genoutput.c (main): Likewise.
21338 * genemit.c (max_operand_1): Look for the max scratch operand.
21339 (gen_rtx_scratch): New.
21340 (gen_exp): Use it, and pass on new arg subroutine_type.
21341 (gen_expand): Take max scratch into account.
21342 (gen_split): Emit peephole2 functions.
21343 (output_peephole2_scratch): New.
21344 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21345 * genrecog.c (routine_type): Add PEEPHOLE2.
21347 (make_insn_sequence): Match outer parallel for peep2. Discard
21348 top level scratches and dups.
21349 (add_to_sequence): New args insn_type and top. Update all callers.
21350 Handle toplevel peep2 matching insns.
21351 (write_subroutine): Handle peep2.
21352 (write_tree_1): Likewise.
21353 (write_tree): Likewise.
21355 (change_state): New arg afterward. Update all callers.
21356 Handle matching separate insns.
21357 * recog.c (recog_next_insn): New.
21358 (peephole2_optimize): New.
21359 * rtl.def (DEFINE_PEEPHOLE2): New.
21360 * resource.c (find_free_register): New argument last_insn. Use it
21361 to find a register available through the entire span.
21362 * resource.h (find_free_register): Update prototype.
21364 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21366 * i386.c (output_strlen_unroll): Don't write xops[7]
21367 label if it wasn't set.
21369 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21371 * cpplib.c (struct directive): Const-ify name pointer and
21372 function pointer prototype.
21373 (validate_else, do_define, do_line, do_include, do_undef,
21374 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21375 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21376 do_warning): Const-ify second arg.
21377 (directive_table): Mark const. Reorder entries by frequency
21378 of usage, record statistics.
21380 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21382 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21383 bounds- check RTL accesses if --enable-checking.
21384 (RTVEC_ELT): Bounds check if --enable-checking.
21385 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21386 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21387 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21389 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21390 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21392 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21393 (NOTE_SOURCE_FILE): Use X0STR.
21394 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21395 MEM_ALIAS_SET): Use X0INT.
21396 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21397 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21399 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21400 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21401 (rtl_check_failed_bounds, rtl_check_failed_type1,
21402 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21404 (fancy_abort): Fix comment.
21406 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21407 (cse_insn): Decrement LABEL_NUSES for jump target before
21408 deleting jump insn.
21409 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21410 * final.c (alter_subreg): Compute regno before changing x to
21411 REG; set REGNO(x) after changing it.
21412 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21413 notes containing CONST_INTs.
21414 (delete_eh_regions): Use NOTE_EH_HANDLER.
21415 * function.c (put_reg_into_stack): Make reg a MEM before
21417 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21419 (gen_mem_addressof): Make reg a MEM before initializing it.
21420 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21422 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21423 deleting an insn, not after.
21424 (block_alloc): Only look at PATTERN(insn) if we have to, and
21425 only if it's format class 'i'.
21426 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21427 CONST_INT before using its INTVAL.
21428 * print-rtl.c (print_rtx): Use X0STR.
21429 * regmove.c (fixup_match_1): Don't look at PATTERN of
21430 non-class-'i' insn chain elements.
21431 * reload.c (loc_mentioned_in_p): Take address of
21432 in->fld[1].rtx directly.
21433 * reload1.c (reload): Change reg to a MEM before initializing
21435 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21437 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21439 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21441 * config/mips/mips.c (machine_dependent_reorg): Force a
21442 barrier to output the local constant pool if a barrier hasn't
21443 been found at a natural point in the instruction stream.
21445 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21447 * c-parse.in (language_string): Constify.
21449 * dwarf2out.c (language_string): Remove declaration.
21451 * dwarfout.c (language_string): Likewise.
21453 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21455 * tree.h (language_string, init_parse, finish_parse): Declare.
21457 * i386/sun386.h (language_string): Remove declaration.
21459 * mips.h (language_string): Likewise.
21461 * nextstep.h (language_string): Likewise.
21463 * nextstep21.h (language_string): Likewise.
21465 * rs6000.c (language_string): Likewise.
21467 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21469 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21470 (getpwd.o): Remove target.
21472 * getpwd.c: Delete file. Its in libiberty now.
21474 * dbxout.c (getpwd): Don't prototype.
21475 * dwarf2out.c (getpwd): Likewise
21476 * dwarfout.c (getpwd): Likewise
21477 * final.c (getpwd): Likewise.
21478 * protoize.c (getpwd): Likewise.
21480 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21482 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21484 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21486 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21487 mark_set_resources.
21489 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21491 * fixinc/Makefile.in (subdir): New.
21492 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21495 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21497 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21498 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21501 * invoke.texi: Fix typo.
21503 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21504 changed. Handle autoincrement addressing modes.
21506 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21507 just like we would the virtual incoming args register when
21510 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21512 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21513 path, in .file directive.
21515 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21517 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21520 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21522 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21525 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21527 * tree.c (tree_code_name): Constify a char*.
21529 * tree.h (tree_code_name, decl_printable_name): Likewise.
21531 * function.h (struct function): Likewise.
21533 * toplev.c (decl_name, decl_printable_name): Likewise.
21535 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21537 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21538 (init_objc): Remove function pointer cast.
21540 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21542 * pa.md (interspace_jump): New pattern.
21543 (builtin_longjmp): New expander.
21545 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21547 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21548 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21549 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21551 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21553 * jump.c (delete_prior_computation): Also check calls
21554 to constant functions. Don't bother checking for a
21555 REG_UNUSED note before adding it.
21556 (delete_computation): Handle multi-word hard registers
21557 when synthesizing missing REG_DEAD notes for a register
21558 which is both set and used by an insn.
21560 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21562 * loop.c (this_loop_info): New variable.
21563 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21564 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21566 (prescan_loop, strength_reduce): New argument loop_info. All callers
21568 (scan_loop): New variable loop_info, initialise to address of
21570 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21571 Delete variable loop_has_multiple_exit targets and replace with
21572 field in this_loop_info.
21573 (find_and_verify_loops): Rename this_loop to this_loop_num.
21574 (strength_reduce): Delete loop_iteration_info. Replace variable
21575 loop_info with function argument of same name.
21576 (insert_bct): Rework test for loop being completely unrolled.
21578 * loop.h (struct loop_info): New fields num, loops_enclosed,
21579 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21580 has_indirect_jump, and cont. Redefine use of unroll_number.
21581 (loop_unroll_number): Delete.
21583 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21584 field of loop_info.
21585 (loop_iterations): Delete variable vtop and instead use
21586 loop_info->vtop computed in prescan_loop.
21588 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21590 * fix-header.c (main): Do not pass a null pointer to strcmp.
21592 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21594 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21596 * configure: Rebuilt.
21598 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21600 * jump.c (jump_optimize_1): Do not delete assignments to
21601 internal_arg_pointer.
21602 * cse.c (delete_trivially_dead_insns): Always consider a set of
21603 the internal_arg_pointer live.
21605 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21607 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21608 (update_life_info) [REG_WAS_0]: Search the original insns rather
21609 than the new insns for the note. Fix typos finding note_dest.
21610 If no dest found, discard the note rather than abort.
21611 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21612 (replace_insns): Remove the old insn list after update_life_info
21615 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21617 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21618 sched_analyze_insn.
21619 (sched_analyze_1): Let add_dependence care for not adding dups.
21620 (sched_analyze_2): Likewise.
21621 (add_branch_dependences): Likewise.
21623 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21625 * i386/winnt.c (export_list): New type.
21626 (exports_head): Rename to
21627 (export_head): this.
21628 (i386_pe_record_exported_symbol): Add is_data flag.
21629 (i386_pe_asm_file_end): Emit directive for exported variables.
21630 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21632 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21633 (ASM_DECLARE_OBJECT_NAME): Likewise.
21634 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21635 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21637 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21639 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21641 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21644 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21646 * config/openbsd.h: Define SET_ASM_OP.
21647 * tm.texi: cross-reference SET_ASM_OP in the index.
21649 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21651 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21652 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21653 and class_narrowest_mode at compile time. Kill init_rtl.
21654 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21655 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21656 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21658 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21660 * rtl.h: Declare rtx_length and rtx_format as const.
21661 * machmode.def: Define CC(). Use CC() to define CCmode. If
21662 EXTRA_CC_MODES is defined, expand it here.
21663 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21664 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21665 const. Kill all references to EXTRA_CC_MODES.
21667 * toplev.c: Don't prototype or call init_rtl.
21668 * optabs.c: Don't call init_mov_optab.
21669 * genemit.c: Don't generate init_mov_optab. Don't call
21671 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21673 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21674 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21675 genrecog.c: Don't call init_rtl.
21677 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21678 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21679 definition of EXTRA_CC_MODES.
21681 * md.texi: Kill ref to EXTRA_CC_NAMES.
21682 * tm.texi: Document new way to define EXTRA_CC_MODES.
21684 * genrecog.c: Do not look up the name of a define_split.
21685 (Unrelated bugfix.)
21687 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21689 * config/v850/v850.md: Fix typo introduced by previous delta.
21691 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21693 * gcc.c (fatal): Make definition static to match prototype.
21695 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21697 * combine.c (get_last_value): Don't look for earlier sets if the last
21698 known set is somewhere in between the insns being combined.
21700 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21702 * configure.in: Don't use shell ! to negate exit codes
21703 * configure: Regenerate
21705 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21707 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21708 the fact that ALIGN is measured in bits, not bytes.
21710 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21712 * errors.c: New file; defines functions error, warning, and
21713 fatal, variables have_error and progname.
21714 * errors.h: New file; prototypes and decls for stuff in errors.c.
21716 * Makefile: Add rules to build errors.o and
21717 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21718 genopinit, genrecog, genextract, genpeep, genattr, and
21719 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21720 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21721 genpeep.o, genattr.o, and genoutput.o.
21723 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21724 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21725 define or prototype fatal. Set progname at beginning of main.
21726 * genoutput.c: Likewise, and don't define or prototype error
21729 * c-typeck.c (c_expand_start_case): Return immediately if exp
21731 * fold-const.c (operand_equal_p): Return immediately if arg1
21732 or arg0 are ERROR_MARKs.
21733 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21734 fields of type ERROR_MARK when calculating if the record can
21737 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21738 with much help from Jeffrey A Law and Richard Henderson
21740 * i386.md: In the 6 insns which call output_fix_trunc,
21741 earlyclobber operands[0].
21743 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21745 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21746 creating new registers.
21748 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21750 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21751 i386_reg_alloc_order, i386_regparm_string,
21752 i386_align_loops_string, i386_align_jumps_string,
21753 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21754 and i386_branch_cost_string as type "const char *".
21755 * i386.c: Define all above strings as type "const char *".
21757 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21759 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21760 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21762 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21764 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21765 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21767 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21769 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21770 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21771 (dwarf2out_line, dwarf2out_finish): Likewise.
21772 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21774 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21776 * tree.c (lang_unsave_expr_now) : Correct return type.
21777 * tree.h (lang_unsave_expr_now) : Same.
21779 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21781 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21782 instead of duplicating code.
21784 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21786 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21788 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21790 * tree.h: fancy_abort always takes three args.
21791 * resource.c: Move include of system.h before toplev.h.
21793 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21795 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21798 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21800 * system.h: Don't redefine abort or trim_filename.
21801 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21802 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21803 whether or not __FUNCTION__ is available.
21804 * tree.h: Duplicate rtl.h's definition of abort, for files
21805 that don't include rtl.h. Delete all code to perform type
21806 checking with a compiler other than GCC.
21807 * varray.h: Delete all code to perform type checking with a
21808 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21809 its arguments exactly once, using a statement expression.
21810 Adjust the VARRAY_<type> accessor macros to match.
21811 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21812 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21813 caller's location. Define fatal_insn and fatal_insn_not_found
21814 as macros that use _fatal_insn and _fatal_insn_not_found.
21815 (fancy_abort, trim_filename): Kill prototypes.
21817 * rtl.c (trim_filename): Move here from toplev.c.
21818 (fancy_abort): New function.
21819 (DIR_SEPARATOR): Provide default definition.
21820 * tree.c (tree_check_failed, tree_class_check_failed): Go
21821 through fancy_abort.
21822 (tree_check, tree_class_check, cst_or_constructor_check,
21823 expr_check): Delete.
21824 * varray.c (varray_check_failed): New function.
21825 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21826 _fatal_insn and _fatal_insn_not_found. Go through
21828 (trim_filename, fancy_abort): Delete.
21830 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21831 * except.c (start_catch_handler): Report ICE with error/abort
21833 * final.c (output_operand_lossage): Likewise.
21834 * flow.c (verify_flow_info): Likewise.
21836 * gcc.c: Prototype fatal.
21837 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21838 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21839 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21840 Don't define fancy_abort.
21842 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21844 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21847 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21849 * m88k.h (VERSION_INFO2): Kill.
21850 (VERSION_STRING): Kill.
21852 (VERSION_INFO1): Tidy.
21853 (TARGET_VERSION): Update.
21854 * m88k/dgux.h (VERSION_INFO2): Kill.
21855 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21856 * m88k/luna.h (VERSION_INFO1): Tidy.
21857 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21858 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21859 (output_file_start): Adjust for death of VERSION_STRING.
21861 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21863 * cpplib.c (detect_if_not_defined): New function.
21864 (do_if): Use it to detect potential once-only headers.
21866 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21868 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21870 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21872 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21873 anywere in the function only if they are pseudos and set before
21874 being used (not live at the start of the function).
21875 (num_sign_bit_copies) : Same.
21876 (get_last_value_validate) : Same.
21877 (get_last_value) : Same.
21879 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21881 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21882 where N and M are constant and N is an integer multiple of M.
21884 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21886 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21887 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21888 sbitmap_union_of_preds): Add prototypes.
21889 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21890 the intersection of successors with the new flow graph structures.
21891 (sbitmap_intersection_of_preds): New function to compute the
21892 intersection of predecessors with the new flow graph structures.
21893 (sbitmap_union_of_succs): New function to compute the union of
21894 successors with the new flow graph structures.
21895 (sbitmap_union_of_preds): New function to compute the union of
21896 predecessors with the new flow graph structures.
21897 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21898 (expr_reaches_here_p): Use edge and basic_block structures instead
21899 of s_preds and s_succs.
21900 (compute_cprop_avinout): Use new sbitmap routines.
21901 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21902 of s_preds and s_succs.
21903 * flow.c (compute_flow_dominators): Compute dominators using
21904 edges and basic blocks instead of s_preds and s_succs.
21906 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21908 * lists.c (unused_insn_list, unused_expr_list): New file for
21909 maintaining various types of lists. New statics for maintaining a
21910 cache of available INSN_LIST and EXPR_LIST nodes.
21911 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21912 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21913 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21914 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21915 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21916 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21917 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21918 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21919 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21920 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21921 (remove_dependence, free_pending_lists): Use new global routines.
21922 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21923 (sched_analyze, compute_block_backward_dependences): Use new routines.
21924 (sched_analyze_1, sched_analyze_2): Use new routines.
21925 (schedule_insns): Use new global routines.
21926 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21928 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21929 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21931 * toplev.c (rest_of_compilation): Initialize node cache.
21932 * Makefile.in (OBJS): Add lists.o to list of object files.
21933 (lists.o): Add dependancies.
21935 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21937 * config/v850/v850.md: Fix compile time warning messages.
21938 * config/v850/v850.c: Fix compile time warning messages.
21939 * config/v850/v850.h: Fix compile time warning messages.
21941 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21943 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21944 Remove unused prototype for `init_lengths'.
21946 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21948 * calls.c (emit_call_1): Mark parameter `stack_size' with
21950 (expand_call): Initialize variable `insn'.
21951 (emit_library_call): Likewise for variable `high_to_save'.
21952 (emit_library_call_value): Likewise.
21953 (store_one_arg): Likewise for variables `lower_bound' and
21956 * combine.c (try_combine): Likewise for variables `i2_code_number'
21957 and `other_code_number'.
21958 (find_split_point): Likewise for variables `pos', `unsignedp' and
21960 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21961 (simplify_and_const_int): Remove unused variable `width'.
21962 (merge_outer_ops): Likewise.
21964 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21965 HOST_WIDE_INT' when comparing against one.
21966 (simplify_relational_operation): Likewise.
21967 (cse_insn): Initialize variables `src_eqv_volatile',
21968 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21970 * final.c (init_final): Constify parameter `filename'.
21971 (final_start_function): Mark parameter `optimize' with
21973 (profile_function): Likewise for parameters `first' and `optimize'.
21974 (output_source_line): Likewise for parameter `file'.
21976 * integrate.c (subst_constants): Cast a value to `size_t' when
21977 comparing against one.
21978 (mark_stores): Initialize variable `mode'. Cast a value to
21979 `size_t' when comparing against one.
21981 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21983 * loop.c (move_movables): Initialize variable `first'.
21984 (strength_reduce): Likewise for variable `increment'.
21985 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21986 value to `size_t' when comparing against one.
21987 (load_mems): Initialize variable `end_label'.
21989 * output.h (init_final): Constify parameter.
21991 * reload.c (decompose): Initialize variable `base'.
21993 * reload1.c (reload): Likewise for variable `is_scalar'.
21994 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21995 (choose_reload_regs): Initialize variable `mode'.
21996 (emit_reload_insns): Likewise for variable `store_insn'.
21997 (reload_cse_noop_set_p): Mark parameter `insn' with
21999 (reload_combine): Initialize variable `set'.
22001 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22002 (copy_loop_body): Cast a value to `size_t' when comparing against
22005 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22006 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22007 (remove_from_pending_weak_list): Mark parameter `name' with
22010 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22012 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22015 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22017 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22018 (ASM_DECLARE_FUNCTION_NAME): Define.
22019 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22020 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22021 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22022 not already defined.
22024 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22026 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22027 of n_popped when call/call_value are not defined.
22029 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22031 * tm.texi: GNU CC -> GCC conversion.
22032 (CC1_SPEC): Indicate it is used for all language front ends.
22034 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22036 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22037 NOTE_INSN_EH_REGION_END correctly.
22039 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22040 Jeff Law <law@cygnus.com>
22042 * loop.c (strength_reduce): Automatically unroll loops if the
22043 unrolled loop size is smaller than the rolled loop size.
22045 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22046 and delete comment that code should be rewritten.
22048 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22050 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22053 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22055 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22057 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22058 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22059 (LINK_SPEC): Add -u _main when building executables.
22060 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22061 (ASM_FILE_END): Use the default for ix86-pe.
22062 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22064 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22066 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22067 and ASM_CLOSE_PAREN are empty strings.
22069 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22070 Geoffrey Keating <geoffk@cygnus.com>
22072 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22073 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22074 (unprotoize.o): Ditto.
22075 (test-protoize-simple): Don't define STD_PROTO_DIR.
22076 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22077 changes to make 'test-protoize-simple' pass.
22078 (STD_PROTO_DIR): Remove define.
22079 (STANDARD_EXEC_PREFIX): Supply default define.
22080 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22081 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22082 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22083 (GET_ENV_PATH_LIST): New macro.
22084 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22085 (do_processing): Initialize default_syscalls_dir using new
22086 macros. Use it to initialize syscalls_absolute_filename.
22088 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22090 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22091 B into a register before emit_conditional_move.
22093 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22095 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22096 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22097 multiplicand out of (+ (* a b) (* c d)).
22099 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22100 Richard Henderson <rth@cygnus.com>
22102 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22103 (new_insn_dead_notes): Likewise.
22104 (update_n_sets): Likewise.
22105 (update_flow_info): Move to flow.c, renamed to update_life_info;
22106 extend to handle multiple source insns.
22107 * flow.c: Include resource.h
22108 (unlink_insn_chain): New.
22109 (split_hard_reg_notes): New.
22110 (maybe_add_dead_note): New.
22111 (maybe_add_dead_note_use): New.
22112 (find_insn_with_note): New.
22113 (new_insn_dead_notes): New.
22114 (update_n_sets): New.
22115 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22116 (maybe_remove_dead_notes): New.
22117 (update_life_info): New.
22118 (prepend_reg_notes): New.
22119 (replace_insns): New.
22120 * output.h (update_life_info): Declare.
22121 * recog.c (split_block_insns): Use update_life_info.
22122 * resource.c (find_free_register): Use reg_alloc_order, don't use
22123 fixed regs, make sure the mode is supported, don't use new regs.
22125 * rtl.h (replace_insns): Declare.
22127 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22129 * expr.c (expand_expr): Cope with COND_EXPRs with one
22130 non-returning branch.
22132 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22134 * expr.c (store_expr): Always pass down the target, even when not
22137 1999-08-24 Nick Clifton <nickc@cygnus.com>
22139 * configure.in: Define target_cpu_default for v850 targets.
22140 * configure: Regenerate
22142 * config/v850/v850.h (TARGET_CPU_generic): Define.
22143 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22144 addresses are 4 byte aligned.
22146 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22149 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22151 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22152 (main): Add prototypes.
22154 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22155 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22156 (write_attr_get): Emit prototypes along with function definition.
22157 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22158 (write_complex_function): Emit static prototype along with
22159 function definition.
22161 * genemit.c (gen_split): Emit prototypes along with function
22164 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22165 Likewise for predicates and `insn_operand_predicate'.
22166 (process_template): Emit static prototype along with function
22169 * genrecog.c (make_insn_sequence): Constify a char*. Add
22170 prototypes for get_split_*().
22171 (write_subroutine): Emit prototypes along with function
22174 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22176 * gcse.c (find_avail_set): Follow chains of register-register copies.
22177 Use oprs_not_set_p to guarantee that the returned value can be
22179 (cprop_insn): Don't verify the return value of find_avail_set with
22182 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22183 (cprop_cc0_jump): New function.
22184 (cprop_insn): Break out new function cprop_jump and use it.
22185 Also use cprop_cc0_jump for machines with CC0.
22186 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22188 * tree.h (current_function_calls_setjmp,
22189 current_function_calls_longjmp): Delete declarations.
22190 * dsp16xx.c: Include "function.h".
22191 * elxsi.c: Likewise.
22192 * gmicro.c: Likewise.
22193 * h8300.c: Likewise.
22194 * i370.c: Likewise.
22195 * m32r.c: Likewise.
22196 * mn10200.c: Likewise.
22197 * mn10300.c: Likewise.
22198 * ns32k.c: Likewise.
22199 * spur.c: Likewise.
22200 * v850.c: Likewise.
22202 * rtl.h (rtx_equal_function_value_matters): Declare.
22203 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22205 * function.c: Likewise.
22206 * emit-rtl.c: Likewise.
22208 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22210 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22213 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22215 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22218 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22220 * cpp.texi: Add a node documenting macro varargs (copied
22223 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22225 * cppspec.c: Put a null pointer at the end of the new argv.
22227 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22229 * configure.in: Remove code to select/de-select the haifa
22230 scheduler. Every scheduled port gets haifa now.
22231 * configure: Rebuilt.
22232 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22234 * Makefile.in: Corresponding changes.
22236 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22238 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22239 All callers changed.
22240 (prepare_float_lib_cmp): Likewise.
22241 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22242 * expr.h (emit_float_lib_cmp): Delete declaration.
22243 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22244 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22245 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22247 (cmptf): Now conditional on TARGET_HARD_QUAD.
22249 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22251 * resource.c (mark_target_live_regs): Use
22252 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22254 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22256 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22258 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22260 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22262 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22264 * rtl.h (rtx_format): Constify a char*.
22266 * rtl.c (rtx_format): Likewise.
22267 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22268 (init_rtl): Use accessor macro, not `rtx_format'.
22270 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22273 * caller-save.c (mark_referenced_regs): Likewise.
22275 * combine.c (subst, make_compound_operation, known_cond,
22276 gen_rtx_combine, update_table_tick, get_last_value_validate,
22277 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22279 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22280 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22281 count_reg_usage): Likewise.
22283 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22286 * final.c (leaf_renumber_regs_insn): Likewise.
22288 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22289 dump_edge_info, count_reg_references): Likewise.
22291 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22292 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22295 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22296 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22297 add_label_notes): Likewise.
22299 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22300 clear_struct_flag, count_sub_rtxs, count_alternatives,
22301 compares_alternatives_p, contained_in_p, walk_attr_value,
22302 write_expr_attr_cache): Likewise.
22304 * genconfig.c (walk_insn_part): Likewise.
22306 * genemit.c (max_operand_1, gen_exp): Likewise.
22308 * genextract.c (walk_rtx): Likewise.
22310 * genflags.c (num_operands): Likewise.
22312 * genoutput.c (scan_operands): Likewise.
22314 * genpeep.c (match_rtx): Likewise.
22316 * genrecog.c (add_to_sequence): Likewise.
22318 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22321 * integrate.c (save_constants, copy_for_inline,
22322 copy_rtx_and_substitute, subst_constants, restore_constants):
22325 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22326 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22328 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22331 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22332 add_label_notes, replace_call_address, count_nonfixed_reads,
22333 invariant_p, find_single_use_in_loop, find_mem_givs,
22334 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22337 * print-rtl.c (reg_names, print_rtx): Likewise.
22339 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22341 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22342 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22343 print_blocks): Likewise.
22345 * regclass.c (fix_register, record_address_regs,
22346 reg_scan_mark_refs): Likewise.
22348 * regmove.c (stable_but_for_p): Likewise.
22350 * reload.c (loc_mentioned_in_p, operands_match_p,
22351 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22352 copy_replacements, refers_to_regno_for_reload_p,
22353 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22354 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22357 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22358 delete_address_reloads_1, count_occurrences,
22359 reload_cse_mem_conflict_p, reload_combine_note_use,
22360 add_auto_inc_notes): Likewise.
22362 * resource.c (mark_referenced_resources, mark_set_resources):
22365 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22366 reg_mentioned_p, regs_set_between_p, modified_between_p,
22367 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22368 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22369 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22370 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22372 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22374 * stupid.c (stupid_mark_refs): Likewise.
22376 * unroll.c (remap_split_bivs): Likewise.
22378 * varasm.c (mark_constants): Likewise.
22380 * a29k/a29k.c (uses_local_reg_p): Likewise.
22382 * alpha/alpha.c (summarize_insn): Likewise.
22384 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22385 eliminate_lr2ip): Likewise.
22387 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22389 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22390 reg_mentioned_in_mem): Likewise.
22392 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22393 symbolic_reference_mentioned_p): Likewise.
22395 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22397 * sh/sh.c (regs_used, mark_use): Likewise.
22399 * vax/vax.c (vax_rtx_cost): Likewise.
22401 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22403 * machmode.h (mode_name): Constify a char*.
22405 * rtl.c (mode_name): Likewise.
22407 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22409 * optabs.c (init_libfuncs): Constify a char*.
22411 * print-tree.c (mode_name): Remove redundant declaration.
22412 (print_node): Use accessor macro, not `mode_name'.
22414 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22416 (new_spill_reg): Constify a char*.
22418 * tree.c (mode_name): Remove redundant declaration.
22420 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22422 * rtl.c (rtx_name): Constify a char*.
22424 * rtl.h (rtx_name, fix_sched_param): Likewise.
22426 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22427 (mypr): Use accessor macro, not `rtx_name'.
22429 * genemit.c (print_code): Constify a char*.
22431 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22433 * genpeep.c (print_code): Constify a char*.
22435 * genrecog.c (print_code): Likewise.
22437 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22438 end_bb): Add static prototype.
22439 (draw_edge): Constify a char*.
22440 (end_bb): Remove unused parameter.
22442 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22443 print_block_visualization): Constify a char*.
22445 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22447 * c-common.c (c_get_alias_set): Update comment.
22449 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22451 * linux.h (LIB_SPEC): Added.
22453 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22455 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22457 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22459 * tree.c (expr_check): Fix typo in last change.
22461 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22463 * rtl.def (NOTE): Change format to "iuu0n".
22464 (ADDR_DIFF_VEC): Change format to "eEee0".
22465 (ADDRESSOF): Change format to "eit".
22467 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22468 (RTVEC_ELT): Change to match.
22469 (XVECEXP): Use XVEC and RTVEC_ELT.
22470 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22471 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22472 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22473 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22474 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22475 (INTVAL): Use XWINT.
22476 (ADDRESSOF_DECL): Use XTREE.
22477 (SET_ADDRESSOF_DECL): Delete.
22478 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22479 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22480 ifdefed out since 2.6 at least.
22481 (gen_rtvec_vv): Delete prototype.
22483 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22485 (copy_most_rtx): Handle 't' format letter.
22486 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22487 (gen_rtvec_vv): Delete function. All callers changed to use
22488 gen_rtvec_v instead.
22489 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22490 the '0' format letter.
22492 * function.c (gen_mem_addressof): Don't use
22493 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22495 * integrate.c (copy_rtx_and_substitute): Likewise.
22496 Copy 't' slots with XTREE.
22497 (subst_constants): Treat 't' slots like '[swi]' slots.
22498 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22499 * jump.c (rtx_equal_for_thread_p): Likewise.
22500 * rtlanal.c (rtx_equal_p): Likewise.
22501 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22502 only four arguments.
22503 * gengenrtl.c (type_from_format): Provide correct types for
22507 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22508 If a recent gcc is in use (always in stage2 and beyond), use
22509 statement expressions, so we don't make a function call unless
22510 the check fails. Evaluate arguments exactly once.
22511 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22512 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22514 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22515 they evaluate their arguments exactly once, irrespective of
22516 the compiler in use.
22518 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22519 is used by the currently-enabled check macros. This is:
22520 (tree_check_failed, tree_class_check_failed): For gcc.
22521 (tree_check, tree_class_check, cst_or_constructor_check,
22522 expr_check): For other compilers.
22524 * gencheck.c: Do not define any *_CHECK1 macros.
22526 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22527 Mark Mitchell <mark@codesourcery.com>
22529 * c-common.c (c_get_alias_set): Fix support for poitners and
22532 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22534 * alias.c: Include tree.h.
22535 (nonlocal_reference_p, mark_constant_function): New functions.
22536 * flow.c (life_analysis): Call mark_constant_function.
22537 * rtl.h (mark_constant_function): Declare it.
22539 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22541 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22542 unrecognisable switches.
22544 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22546 * loop.c (recombine_givs): Set ix field after sorting.
22547 (recombine_givs): Remove bogus index / giv lockstep looping.
22549 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22551 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22553 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22554 (do_cmp_and_jump): Formatting fixes.
22555 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22556 do_compare_rtx_and_jump instead of compare_from_rtx.
22557 (do_compare_rtx_and_jump): New function; mostly copied from
22559 (do_jump_for_compare): Delete.
22560 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22562 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22563 of compare/do_jump_for_compare pairs.
22564 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22565 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22566 compare_from_rtx/do_jump_for_compare pairs.
22567 (do_jump_by_parts_equality): Likewise.
22568 (do_jump_by_parts_equality_rtx): Likewise.
22569 * expr.h (do_compare_rtx_and_jump): Declare.
22570 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22571 that used to be in emit_cmp_insn.
22572 (cmp_available_p): New function.
22573 (prepare_operand): New function.
22574 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22575 to be in emit_cmp_insn.
22576 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22577 parameters to be pointers; don't emit final compare but modify some of
22578 the values pointed to by the args so the caller can perform the
22579 correct comparison.
22580 (expand_binop): Call emit_store_flag_force with signed forms of
22582 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22583 emit_jump_insn pair.
22584 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22585 emit_cmp_and_jump_insn_1. Call emit_queue.
22586 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22588 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22589 jump sets cc0 before deleting it.
22590 * integrate.c (expand_inline_function): Likewise.
22591 * unroll.c (unroll_loop): Similar changes in several places.
22592 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22593 before deleting it.
22595 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22597 * Makefile.in (insn-recog.o): Update dependencies.
22598 * genrecog.c (main): Make generated file include "function.h".
22600 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22602 * cse.c (cse_insn): Call never_reached_warning when a jump is
22603 changed to be unconditional.
22604 * flags.h: Declare warn_notreached.
22605 * flow.c (delete_block): Call never_reached_warning when
22606 a block is deleted.
22607 * jump.c (delete_barrier_successors): Call never_reached_warning
22608 when we delete everything after a BARRIER.
22609 (never_reached_warning): New function.
22610 * rtl.h: Declare never_reached_warning.
22611 * toplev.c (warn_notreached): New variable.
22612 (lang_independent_options): Set warn_notreached
22613 when -Wunreachable-code.
22614 (compile_file): We need line numbers for -Wunreachable-code.
22616 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22618 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22619 * sched.c (insn_unit): Likewise.
22621 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22623 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22625 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22627 * flow.c (create_edge_list): Use xmalloc, not malloc.
22629 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22631 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22632 C-style comments. Do not lose the character before double slash.
22634 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22636 * basic-block.h (struct edge_list): Stucture to maintain a vector
22638 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22639 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22640 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22641 New function prototypes.
22642 * flow.c (create_edge_list): Function to create an edge list.
22643 (free_edge_list): Discards memory used by an edge list.
22644 (print_edge_list): Debug output showing an edge list.
22645 (verify_edge_list): Internal consistency check for an edge list.
22646 (find_edge_index): Function to find an edge index for a pred and succ.
22648 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22650 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22653 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22655 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22657 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22659 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22661 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22663 * toplev.c (rest_of_compilation): Allow machine dependent
22664 reorganisation pass to place information into the RTL dump
22665 file if it so wishes.
22667 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22669 * explow.c (hard_function_value): Use VOIDmode instead of
22671 * stmt.c (expand_return): Likewise.
22672 * stor-layout.c (get_best_mode): Likewise.
22674 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22675 emit call instead of emit_insn call.
22677 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22679 * configure.in: Handle --disable/enable-win32-registry.
22680 * install.texi: Document --disable/enable-win32-registry.
22681 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22682 (WIN32_REGISTRY_KEY): New macro.
22683 * prefix.c: Use to enable/disable win32-specific code.
22684 (lookup_key): Use versioned key.
22685 * configure: Regenerate.
22686 * config.in: Likewise.
22688 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22690 * cpplib.c (read_line_number): New fn, split out of...
22693 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22695 tree.c (lang_unsave_expr_now) : New.
22696 (unsave_expr_now): Call lang_unsave_expr_now.
22697 tree.h (lang_unsave_expr_now) : New.
22699 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22701 * toplev.c (flag_new_exceptions): On by default.
22703 1999-08-13 Michael Meissner <meissner@cygnus.com>
22705 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22707 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22709 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22710 INTEGER_TYPE with precision==1, it's __java_boolean.
22712 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22714 * global.c (prune_preferences): Move some invariants out of the
22717 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22719 * configure.in (alpha*-dec-osf*): Add osf5.
22721 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22723 * configure.in: Rework handling of ARM GNU/Linux slightly.
22724 (arm*-*-linux-gnuoldld): New target.
22725 * configure: Regenerate.
22726 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22727 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22728 * config/arm/linux-oldld.h: New file.
22729 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22730 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22732 * config/arm/linux-elf.h (ASM_SPEC): Define.
22733 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22734 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22735 for 26-bit APCS and old linker.
22736 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22738 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22739 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22740 don't define `arm' or `arm_elf'.
22741 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22742 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22744 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22746 * rtl.texi: Fix typo.
22748 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22750 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22752 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22754 * extend.texi (C++ Signatures): Remove node.
22755 * invoke.texi: Remove discussion of -fhandle-signatures,
22756 signature, sigof, __signature__, and __sigof__.
22758 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22760 * Makefile.in (JAVAGC): Removed.
22762 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22764 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22766 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22768 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22770 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22772 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22773 a register that is already known to be a pointer.
22775 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22777 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22778 * fixinc/inclhack.sh: Regenerated.
22779 * fixinc/fixincl.sh: Regenerated.
22781 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22783 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22784 Fix documentation of -ansi flag to describe its C++ behavior.
22785 Remove bogus reference to GCC 2.9.
22787 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22789 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22790 note if it is non-NULL.
22792 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22794 * except.h (eh_nesting_info): Add new structure defintion.
22795 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22796 (reachable_handlers, update_rethrow_references): Add function
22798 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22799 a rethrow symbol instead of an integer exception region number.
22800 * flow.c (Make_edges): Use new exception nesting routines to determine
22801 which handlers are reachable from a CALL or asynchronous insn.
22802 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22804 (delete_eh_regions): Update rethrow labels, and don't delete
22805 regions which are the target of a rethrow.
22806 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22807 avoid overloading the SYMBOL_REF_USED flag.
22808 (rethrow_symbol_map): Use new rethrow_ref field.
22809 (rethrow_used): Use new rethrow_ref field.
22810 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22811 of an integer. Fix formatting.
22812 (output_exception_table_entry): Use new rethrow_ref field.
22813 (can_throw): Check for EH_REGION_NOTE before deciding
22814 whether a CALL can throw or not.
22815 (scan_region): Call rethrow_used() instead of accessing data structure.
22816 (update_rethrow_references): New function to make sure only regions
22817 which are still targets of a rethrow are flagged as such.
22818 (process_nestinfo): New static function to initialize a handler
22819 list for a specific region.
22820 (init_eh_nesting_info): New function to allocate and initialize
22821 the list of all EH handlers reachable from all regions.
22822 (reachable_handlers): New function to retrieve the list of handlers
22823 reachable from a specific region and insn.
22824 (free_eh_nesting_info): New function to dispose of a list of
22825 reachable handlers.
22827 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22829 * flow.c (split_edge): Set JUMP_LABEL field.
22830 (commit_one_edge_insertion): Set head correctly for insert_before.
22831 When inserting insns, update insn block numbers if allocated.
22833 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22835 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22836 retry_incomplete_types): Add static prototype.
22837 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22838 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22839 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22840 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22841 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22844 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22845 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22847 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22849 * output.h (assemble_name): Constify a char*.
22851 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22852 assemble_variable, assemble_name): Likewise.
22854 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22856 * arm/pe.c (arm_pe_unique_section): Likewise.
22858 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22860 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22862 * i386/interix.c (i386_pe_unique_section): Likewise.
22864 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22866 * i386/winnt.c (i386_pe_unique_section): Likewise.
22868 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22870 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22872 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22874 * pa/pa.c (output_call): Likewise.
22876 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22878 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22880 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22883 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22886 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22888 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22889 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22891 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22893 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22895 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22897 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22899 * tree.h (lang_identify): Constify a char*.
22900 (print_error_function): Add extern prototype. Constify a char*.
22902 * c-lang.c (lang_identify): Constify a char*.
22904 * objc/objc-act.c (lang_identify): Constify a char*.
22906 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22908 * genpeep.c (main): Make generated file include "function.h".
22909 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22911 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22913 * Makefile.in: Update dependencies.
22914 * alias.c: Include "function.h"
22915 * c-decl.c: Likewise.
22916 * caller-save.c: Likewise.
22917 * calls.c: Likewise.
22918 * combine.c: Likewise.
22920 * explow.c: Likewise.
22921 * final.c: Likewise.
22922 * global.c: Likewise.
22923 * graph.c: Likewise.
22924 * local-alloc.c: Likewise.
22925 * loop.c: Likewise.
22926 * optabs.c: Likewise.
22927 * profile.c: Likewise.
22928 * recog.c: Likewise.
22929 * regclass.c: Likewise.
22930 * regmove.c: Likewise.
22931 * reload.c: Likewise.
22932 * reorg.c: Likewise.
22933 * resource.c: Likewise.
22934 * sched.c: Likewise.
22935 * stupid.c: Likewise.
22936 * config/1750a/1750a.c: Likewise.
22937 * config/a29k/a29k.c: Likewise.
22938 * config/arc/arc.c: Likewise.
22939 * config/arm/arm.c: Likewise.
22940 * config/arm/thumb.c: Likewise.
22941 * config/c4x/c4x.c: Likewise.
22942 * config/clipper/clipper.c: Likewise.
22943 * config/convex/convex.c: Likewise.
22944 * config/fx80/fx80.c: Likewise.
22945 * config/i860/i860.c: Likewise.
22946 * config/m68k/m68k.c: Likewise.
22947 * config/m88k/m88k.c: Likewise.
22948 * config/mips/mips.c: Likewise.
22949 * config/pdp11/pdp11.c: Likewise.
22950 * config/pyr/pyr.c: Likewise.
22951 * config/romp/romp.c: Likewise.
22952 * config/sh/sh.c: Likewise.
22953 * config/tahoe/tahoe.c: Likewise.
22954 * config/vax/vax.c: Likewise.
22955 * config/we32k/we32k.c: Likewise.
22956 * config/sparc/sparc.c: Include "function.h".
22957 (mem_min_alignment): Test current_function rather than
22958 regno_pointer_align.
22959 * config/pa/pa.c: Likewise.
22960 (compute_frame_size): Delete declaration of
22961 current_function_outgoing_args_size.
22962 * config/arc/arc.h (current_function_varargs): Delete declaration.
22963 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22965 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22967 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22968 current_function_uses_pic_offset_table.
22969 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22970 of current_function_returns_pointer.
22971 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22972 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22973 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22974 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22975 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22976 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22977 * config/m88k/m88k.c: Include "function.h"
22978 (call_used_regs, current_function_pretend_args_size,
22979 current_function_outgoing_args_size, frame_pointer_needed): Delete
22981 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22983 * config/mips/mips.h (current_function_calls_alloca): Delete
22985 * config/mn10200/mn10200.h (current_function_needs_context,
22986 rtx_equal_function_value_matters): Delete declarations.
22987 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22988 flag_pic): Delete declarations.
22989 * config/pa/pa.h (current_function_pretend_args_size,
22990 current_function_decl): Delete declarations.
22991 * config/pa/som.h (current_function_varargs): Delete declaration.
22992 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22994 * config/pyr/pyr.h (current_function_pretend_args_size,
22995 current_function_args_size, current_function_calls_alloca): Delete
22997 * config/sh/sh.h (current_function_varargs): Delete declaration.
22998 * config/sparc/sparc.h (current_function_outgoing_args_size,
22999 current_function_calls_alloca, current_function_decl): Delete
23001 * config/spur/spur.h (current_function_pretend_args_size,
23002 current_function_calls_alloca): Delete declarations.
23003 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23005 * config/vax/vms.h (current_function_name): Delete declaration.
23006 * gcse.c: Include "function.h".
23007 (current_function_name, current_function_calls_setjmp): Delete
23009 * haifa-sched.c: Include "function.h".
23010 (forced_labels): Delete declaration.
23011 * jump.c: Likewise.
23012 * reg-stack.c: Likewise.
23013 * reload1.c: Likewise.
23014 * genemit.c (main): Make generated file include function.h.
23015 * genoutput.c (output_prologue): Likewise.
23017 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23018 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23019 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23020 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23021 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23022 macros for some of them.
23023 (emit_filename, emit_lineno): Delete declarations.
23024 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23025 regno_pointer_* variables through current_function.
23026 (gen_inline_header_rtx): Delete function.
23027 (save_emit_status): Delete function.
23028 (set_new_last_label_num): New function.
23029 (clear_emit_caches): New function.
23030 (restore_emit_status): Just clear last_labelnum and call
23032 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23033 through macro seq_stack.
23034 (add_insn_after): Likewise.
23035 (add_insn_before): Likewise.
23036 (remove_insn): Likewise.
23037 (pop_topmost_sequence): Likewise.
23038 (in_sequence_p): Likewise.
23039 (start_sequence_for_rtl_expr): Likewise.
23040 (start_sequence): Likewise, and likewise for
23041 sequence_rtl_expr/seq_rtl_expr.
23042 (push_topmost_sequence): Likewise.
23043 (end_sequence): Likewise.
23044 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23045 All callers changed. Store into that pointer instead of globals.
23046 (init_emit): Allocate emit elt of current_function.
23047 Changes for sequence_rtl_expr/sequence_stack renaming.
23048 Call clear_emit_caches instead of doing it in-line.
23049 Access regno_pointer_* variables through current_function.
23050 (init_emit_once) Don't clear sequence_stack.
23052 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23054 (arg_pointer_save_area): Delete declaration.
23055 (finish_expr_for_function): Renamed from init_queue; no longer static.
23056 (init_expr): Don't call init_queue.
23057 (save_expr_status, restore_expr_status): Delete functions.
23058 (expand_expr): Changes to reflect new layout of struct function.
23059 Don't access current_function_check_memory_usage when current_function
23061 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23062 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23063 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23064 current_function_uses_const_pool, function_call_count,
23065 current_function_uses_pic_offset_table, nonlocal_labels,
23066 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23067 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23068 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23070 (finish_expr_for_function): Declare.
23071 * flags.h (current_function_has_nonlocal_label,
23072 current_function_has_nonlocal_goto, current_function_is_thunk,
23073 current_function_has_computed_jump): Delete declarations.
23074 * flow.c (forced_labels): Delete declaration.
23075 * function.c (current_function_pops_args,
23076 current_function_returns_struct, current_function_returns_pcc_struct,
23077 current_function_needs_context, current_function_calls_setjmp,
23078 current_function_calls_longjmp, current_function_has_nonlocal_label,
23079 current_function_has_nonlocal_goto, current_function_is_thunk,
23080 current_function_has_computed_jump, current_function_calls_alloca,
23081 current_function_contains_functions, current_function_returns_pointer,
23082 current_function_epilogue_delay_list, current_function_args_size,
23083 current_function_pretend_args_size, current_function_arg_offset_rtx,
23084 current_function_outgoing_args_size, current_function_varargs,
23085 current_function_stdarg, current_function_args_info, cleanup_label,
23086 current_function_name, current_function_uses_const_pool,
23087 current_function_instrument_entry_exit, current_function_return_rtx,
23088 current_function_uses_pic_offset_table, nonlocal_labels,
23089 current_function_internal_arg_pointer, current_function_cannot_inline,
23090 current_function_check_memory_usage, function_call_count,
23091 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23092 nonlocal_goto_stack_level, return_label, save_expr_regs,
23093 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23094 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23095 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23096 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23097 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23099 (push_function_context_to): Don't save them. Don't call
23100 save_storage_status, save_emit_status or save_expr_status.
23101 (pop_function_context_from): Don't restore them. Don't call
23102 restore_storage_status or restore_expr_status.
23103 (get_func_frame_size): New function.
23104 (get_frame_size): Use it.
23105 (assign_outer_stack_local): Reflect some member name changes in struct
23107 (put_reg_into_stack): Likewise.
23108 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23110 (fixup_var_refs): Likewise.
23111 (fix_lexical_addr): Likewise.
23112 (trampoline_address): Likewise.
23113 (prepare_function_start): Clear field inlinable of current_function.
23114 (init_function_for_compilation): New function.
23115 (expand_dummy_function_end): New function.
23116 (expand_function_end): Call finish_expr_for_function.
23117 * function.h (struct emit_status): New; fields moved here from struct
23118 function and from global variables. Add accessor macros for some of
23120 (struct expr_status): Likewise.
23121 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23122 (struct function): Add fields expr and emit, inlinable, inl_emit,
23123 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23124 inl_max_label_num. Add many comments.
23125 Add accessor macros for all elts of struct function that no longer
23126 have a global variable.
23127 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23128 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23129 stack_slot_list): Delete declarations.
23130 (get_func_frame_size): Declare.
23131 (save_expr_status, restore_expr_status, save_emit_status,
23132 save_storage_status, restore_storage_status): Delete declarations.
23133 (init_virtual_regs): Declare.
23134 * output.h (current_function_pops_args,
23135 current_function_returns_struct, current_function_returns_pcc_struct,
23136 current_function_needs_context, current_function_calls_setjmp,
23137 current_function_calls_longjmp, current_function_calls_alloca,
23138 current_function_has_nonlocal_label, current_function_varargs,
23139 current_function_has_computed_jump, current_function_returns_pointer,
23140 current_function_contains_functions, current_function_args_size,
23141 current_function_pretend_args_size, current_function_stdarg,
23142 current_function_outgoing_args_size, current_function_args_info,
23143 current_function_name, current_function_return_rtx,
23144 current_function_epilogue_delay_list,
23145 current_function_uses_const_pool, current_function_cannot_inline):
23146 Delete declarations.
23147 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23148 regno_reg_rtx): Delete declaration.
23149 (REGNO_POINTER_FLAG): Delete macro.
23150 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23151 function were renamed.
23152 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23154 * toplev.c: Include "function.h".
23155 (current_function_decl): Delete declaration.
23156 (compile_file): Call init_dummy_function_start and
23157 expand_dummy_function_end around some initializations that need to
23159 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23160 Call init_function_for_compilation.
23161 * unroll.c: Include "function.h"
23162 (unroll_loop): Access regno_pointer_* variables through
23165 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23166 (DECL_SAVED_INSNS): use it.
23167 (expand_dummy_function_end): Declare.
23168 (init_function_for_compilation): Declare.
23169 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23170 that it's no longer an INLINE_HEADER.
23171 (expand_call): Likewise.
23172 * integrate.c (finish_inline): Delete function.
23173 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23174 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23175 args. Don't generate an INLINE_HEADER rtx, just return the arg
23176 vector. All callers changed.
23177 (save_for_inline_copying): Create a duplicate struct emit_status to
23178 hold the emit state for compiling the current function. Use this and
23179 the other new fields in struct function that are for integration
23180 instead of an INLINE_HEADER.
23181 Use memcpy instead of bcopy.
23182 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23183 (save_for_inline_nocopy): Similar changes, except no new emit_status
23185 (expand_inline_function): Get information from function structure,
23186 not from an inline header rtx.
23187 (output_inline_function): Lose code to extract the necessary
23188 information from an inline header; simply put back the function
23189 structure into current_function. Clear its inlinable elt.
23190 * rtl.def (INLINE_HEADER): Delete.
23191 * rtl.h: Delete all accessors for an INLINE_HEADER.
23192 (gen_inline_header_rtx): Delete declaration.
23193 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23194 Delete declarations.
23195 (REGNO_POINTER_ALIGN): Delete.
23196 (clear_emit_caches): Declare.
23197 (set_new_last_label_num): Declare.
23199 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23201 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23203 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23204 * stmt.c (is_eh_region): Make sure current_function is present, too.
23206 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23208 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23209 for 64bit PA targets.
23211 * pa.h (SELECT_SECTION): Define.
23212 * som.h (SELECT_SECTION): Delete.
23214 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23216 * alias.c (init_alias_analysis): Wrap call to
23217 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23219 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23221 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23222 <sys/asm.h> contains an asm comment with an apostrophe
23223 * fixinc/inclhack.sh: regen
23224 * fixinc/fixincl.x: regen
23226 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23228 * function.c (init_function_start): Clear prologue & epilogue.
23229 (prologue_epilogue_contains): New function.
23230 * alias.c (init_alias_analysis): Use it.
23231 * rtl.h (prologue_epilogue_contains): Declare it.
23233 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23235 * jump.c (onlyjump_p): New function.
23236 * rtl.h: Declare it.
23237 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23238 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23240 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23242 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23243 to invert loops. Simplify block scanning.
23245 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23247 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23248 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23250 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23252 * config/sparc/liteelf.h: New file to support sparclite-elf target
23253 * config/sparc/t-sp86x: New file to support sparc86x targets
23254 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23255 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23256 * configure.in: Support above target triplets
23257 * configure: Regenerated
23259 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23261 * fixinc/server.c (server_setup): Do not prefix function used as
23262 parameter with `&'.
23264 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23266 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23267 Remove fp reg alternatives.
23269 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23271 * Makefiin (TAROUTOPTS): Kill.
23272 (install-headers-tar): Use "xpf" for tar headerfile extraction
23273 * i370/x-oe (TAROUTOPTS): Delete.
23274 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23275 * m68k/x-hp320 (TAROUTOPTS): Delete.
23276 * m68k/x-hp320g (TAROUTOPTS): Delete.
23277 * gcc.texi: Update bug reporting text.
23279 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23281 * reg-stack.c (change_stack) Fixed problem with negative array index.
23283 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23285 * extend.texi, install.texi: Fix spelling mistakes.
23287 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23288 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23289 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23290 PREMADE_ATTRTAB_MD.
23291 * mips/t-ecoff: Likewise.
23292 * mips/t-elf: Likewise.
23293 * mips/t-mips: Likewise.
23294 * mips/t-osfrose: Likewise.
23295 * mips/t-r3900: Likewise.
23296 * mips/t-svr3: Likewise.
23297 * mips/t-svr4: Likewise.
23298 * mips/t-ultrix: Likewise.
23300 * gcc.texi: Document recommend means to provide software floating
23301 point libraries in libgcc.a
23303 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23305 * c-lex.c (yylex): We can have a number with no digits.
23307 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23309 * jump.c (delete_prior_computation): New function, broken
23310 out of delete_computation. Check for side effects with
23311 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23312 multi-word hard registers.
23313 (delete_computation): Use it. Check for side effects with
23314 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23315 missing REG_DEAD note for a register which is both set and
23318 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23320 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23321 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23322 (ASM_FILE_START): Import _mcount with the right type.
23323 (ASM_DECLARE_FUNCTION_NAME): Define.
23324 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23325 * pa.c (output_function_prologue): Always emit the function's label
23327 * pa.h (TEXT_SPACE_P): Define.
23328 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23329 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23330 * som.h (TEXT_SPACE_P): Delete.
23331 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23332 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23334 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23336 * expr.c (emit_group_load): Allow src to be a CONCAT.
23338 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23340 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23341 (___mulsi3): Use '!' comment character.
23343 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23345 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23347 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23349 * gcc.c: Update URLs and mail addresses.
23350 * gcc.texi: Likewise.
23352 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23354 * rs6000.c (current_file_function_operand): Return zero for
23356 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23358 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23361 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23363 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23364 allocate space in the stack frame for the PIC register.
23366 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23368 * m68k.md (xordi3, anddi3): These patterns are not available on
23371 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23373 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23374 (PUT_REAL): Likewise.
23376 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23378 * final.c (shorten_branches): Don't add an alignment for loops
23379 that have no label inside.
23381 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23383 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23384 prototypes in macro HAVE_cmpstrsi.
23386 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23388 * emit-rtl.c (operand_subword): Remove unused variable
23391 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23393 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23395 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23397 * cpphash.c (macroexpand): Delete leading whitespace when arg
23398 is concatenated before.
23399 (unsafe_chars): Correct test for whether + and - can extend a
23402 * cppinit.c (cpp_start_read): Do dependencies for
23403 -include/-imacros files also.
23405 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23406 tokenizing non-directive lines.
23407 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23408 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23411 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23413 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23415 * c-lex.c: Sync with C++ frontend.
23416 (linemode): New variable.
23417 (parse_float): imag, conversion_errno, and type are output only.
23418 (yylex): Adjust. Move initial '.' case into main switch.
23420 (handle_generic_pragma): Just deal with tokens.
23421 (readescape): Use ISXDIGIT and ISGRAPH.
23422 * c-parse.in: Add END_OF_LINE token.
23424 * c-lex.c (lang_init): Generalize.
23425 (nextchar): Remove. Replace uses with UNGETC.
23426 (skip_white_space): Handle linemode here. Optimize for cpplib.
23427 (skip_white_space_on_line): Remove.
23428 (extend_token_buffer_to): New fn.
23429 (extend_token_buffer): Use it.
23430 (read_line_number, check_newline): Just deal with tokens.
23431 (token_getch, token_put_back): New fns.
23432 (yylex): Use them. More cpplib optimizations. Simplify.
23434 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23435 Jason Merrill <jason@yorick.cygnus.com>
23437 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23438 (consume_string): Make this smart about USE_CPPLIB.
23439 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23440 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23441 Also, clean up cases where we redundantly set token_buffer[0].
23442 (read_line_number): New fn.
23443 (ignore_escape_flag): New variable.
23445 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23447 * a29k/t-a29kbare: Fix some comments.
23448 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23449 (FPBIT, DPBIT): Define.
23450 * a29k/t-vx29k: Likewise.
23451 * arc/t-arc: Likewise.
23452 * arm/t-arm-elf: Likewise.
23453 * arm/t-bare: Likewise.
23454 * arm/t-pe: Likewise.
23455 * arm/t-pe-thumb: Likewise.
23456 * arm/t-semi: Likewise.
23457 * arm/t-thumb: Likewise.
23458 * arm/t-thumb-elf: Likewise.
23459 * arm/t-thumb-linux: Likewise.
23460 * h8300/t-h8300: Likewise.
23461 * i960/t-i960: Likewise.
23462 * i960/t-vxworks960: Likewise.
23463 * m32r/t-m32r: Likewise.
23464 * mips/t-ecoff: Likewise.
23465 * mips/t-elf: Likewise.
23466 * mips/t-r3900: Likewise.
23467 * pa/t-pro: Likewise.
23468 * rs6000/t-aix43: Likewise.
23469 * rs6000/t-beos: Likewise.
23470 * rs6000/t-newas: Likewise.
23471 * rs6000/t-ppccomm: Likewise.
23472 * rs6000/t-rs6000: Likewise.
23473 * rs6000/t-winnt: Likewise.
23474 * rs6000/t-xnewas: Likewise.
23475 * rs6000/t-xrs6000: Likewise.
23476 * sh/t-sh: Likewise.
23477 * sparc/t-elf: Likewise.
23478 * sparc/t-sparcbare: Likewise.
23479 * sparc/t-sparclite: Likewise.
23480 * sparc/t-splet: Likewise.
23481 * v850/t-v850: Likewise.
23482 * mn10200/t-mn10200: Fix comments.
23483 * mn10300/t-mn10300: Likewise.
23485 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23486 dummy operand. Allocate a new pseudo for the dummy operand.
23487 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23489 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23491 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23493 * configure: Rebuilt.
23494 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23496 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23498 * recog.c (preproces_constraints): Zero recog_op_alt before
23499 processing the constraints.
23501 * arm.c (typedef minipool_node): Renamed from pool_node.
23502 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23503 (add_minipool_constant): New function.
23504 (dump_minipool): New function.
23505 (find_barrier): Remove special case for getting the insn size of
23506 an insn that references the constant pool.
23507 (minipool_fixup): New structure.
23508 (push_minipool_barrier): New function.
23509 (push_minipool_fix): New function.
23510 (note_invalid_constants): New function.
23511 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23512 (arm_reorg): Rewrite code to fix up the constant pool into a
23513 series of mini-pools embedded in the insn stream.
23514 (arm_output_epilogue): New function, made mainly from the body
23515 of output_func_epilogue.
23516 (output_func_epilogue): Move insn generation part of epilogue code
23517 to arm_output_epilogue.
23518 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23519 * arm.md (pool_range): New attribute.
23520 (zero_extendqidi2): Add attribute pool_range.
23521 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23522 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23523 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23524 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23525 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23526 (epilogue): New expand.
23527 (epilogue_insn): New insn. Call arm_output_epilogue.
23529 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23530 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23532 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23534 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23536 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23538 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23540 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23542 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23544 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23546 * global.c: Fix comment.
23548 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23550 * gcc.c (access_check): New static function.
23551 (find_a_file): Use it when searching a directory list.
23552 * collect2.c (find_a_file): Don't accept directories found when
23553 searching a directory list.
23555 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23557 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23558 function parameters with `&'.
23559 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23561 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23563 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23564 or tidy_fallthru_edge if the last insn in the block is not
23565 an unconditional jump or a simple conditional jump.
23567 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23569 * Makefile.in (c-decl.o): Depends on defaults.h.
23571 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23573 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23575 (CLASS_MAX_NREGS): Likewise.
23577 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23579 * cse.c (cse_insn): Fix dumb thinko in last change.
23581 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23583 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23586 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23588 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23589 test for sizes of passed and declared parameter types.
23591 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23593 * fixincludes: Fix the return type of bsearch, char* -> void*.
23595 * fixinc/inclhack.def: Likewise.
23597 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23599 * invoke.texi (-fdump-translation-unit): New option.
23601 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23603 * expr.h (PROMOTE_PROTOTYPES): Move ...
23604 * defaults.h: ... to here.
23605 * c-decl.c: Include defaults.h instead of expr.h.
23606 * c-typeck.c: Include defaults.h.
23608 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23610 * toplev.h (errorcount): Declare.
23611 (warningcount): Likewise.
23612 (sorrycount): Likewise.
23613 * c-lex.c (errorcount): Don't declare.
23614 * dwarf2out.c (errorcount): Don't declare.
23616 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23618 * config/libgloss.h: Add a note discouraging use with ELF.
23619 * configure.in: Don't use libgloss.h for ELF targets.
23620 Always use_collect2 on a.out targets.
23622 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23624 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23625 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23627 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23629 * loop.c (strength_reduce): When doing biv->giv conversion, update
23630 reg note of NEXT->insn.
23632 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23634 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23636 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23638 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23639 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23640 Ensure expr.h is included.
23641 * c-typecheck.c (convert_arguments): Ditto.
23643 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23645 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23646 * config/convex/convex.h: Ditto.
23647 * config/dsp16xx/dsp16xx.h: Ditto.
23648 * config/fx80/fx80.h: Ditto.
23649 * config/gmicro/gmicro.h: Ditto.
23650 * config/i370/i370.h: Ditto.
23651 * config/i386/i386.h: Ditto.
23652 * config/m32r/m32r.h: Ditto.
23653 * config/m68k/m68k.h: Ditto.
23654 * config/m88k/m88k.h: Ditto.
23655 * config/mips/mips.h: Ditto.
23656 * config/pa/pa.h: Ditto.
23657 * config/pyr/pyr.h: Ditto.
23658 * config/tahoe/tahoe.h: Ditto.
23659 * config/we32k/we32k.h: Ditto.
23661 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23662 based on arch size.
23664 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23666 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23669 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23671 1999-08-02 Richard Henderson <rth@cygnus.com>
23673 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23674 for the register spill block.
23675 (m32r_va_arg): New.
23676 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23677 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23679 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23680 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23681 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23683 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23685 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23686 MAX_WCHAR_TYPE defined in sparc.h.
23687 * config/sparc/linuxaout.h: Likewise.
23688 * config/sparc/linux64.h: Likewise.
23689 Also default to -mvis if CPU is UltraSPARC.
23691 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23693 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23694 (RTX_OK_FOR_OLO10): Likewise.
23695 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23696 %lo(), allow it in addresses...
23697 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23698 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23699 does not make sense.
23700 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23701 (sparc_output_scratch_registers): New function.
23702 (output_function_prologue, sparc_flat_output_function_prologue): Use
23704 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23706 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23707 * configure.in: Add check for .register pseudo-op support in as and
23708 check for offsetable %lo().
23709 * acconfig.h: Add templates for the above checks.
23710 * configure: Regenerate.
23712 1999-08-02 Richard Henderson <rth@cygnus.com>
23714 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23715 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23716 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23718 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23720 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23723 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23725 * config/float-sparc.h: New file.
23726 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23727 sparc-*-linux-gnu and sparc64-*-linux*.
23729 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23731 * rs6000.c (rs6000_va_list): Type is an array.
23732 (rs6000_va_start): Don't doubly adjust for varargs.
23733 (rs6000_va_arg): Evaluate long long GPR adjustment.
23735 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23737 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23738 -maix64 and -maix32.
23739 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23740 LINK_SPEC): Change appropriately.
23741 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23742 (u_short_cint_operand): Likewise.
23743 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23745 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23747 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23749 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23751 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23752 for type promotion.
23753 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23754 (non_add_cint_operand): Likewise.
23755 (logical_operand): Likewise.
23756 (non_logical_cint_operand): Likewise.
23757 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23758 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23759 (rs6000_select_rtx_section): Suppress warning.
23760 (small_data_operand): Suppress warning.
23761 (rs6000_got_register): Suppress warning.
23762 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23763 type, so `J' is generally the wrong constraint for a SImode value;
23765 (andsi3_internal2): Likewise.
23766 (andsi3_internal3): Likewise.
23767 (iorsi3_internal1): Likewise.
23768 (xorsi3_internal1): Likewise.
23770 (movsf_softfloat): Likewise.
23771 (scc insns): Likewise.
23772 (movsi+2): Preserve sign bits of SImode constant.
23773 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23774 (movdf+1): Sign-extend properly.
23775 (movdi_32+1): Sign-extend properly.
23776 (scc insns): Sign-extend properly.
23778 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23781 1999-08-02 Richard Henderson <rth@cygnus.com>
23783 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23784 -mcpu parsing code.
23785 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23786 * alpha.md (all fp insns): Likewise.
23788 1999-08-02 Nick Clifton <nickc@cygnus.com>
23790 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23793 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23795 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23796 pic_load_label generator directly.
23797 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23798 No longer a named pattern.
23800 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23802 * explow.c (force_reg): Call force_operand if X does not
23803 satisfy general_operand.
23805 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23807 * fix-header.c (main): When testing for CONTINUED, use string
23808 equality, not pointer equality.
23810 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23812 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23814 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23816 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23817 that has become an unconditional jump.
23819 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23820 (output_function_epilogue): Similarly.
23822 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23824 * tree.h (init_dummy_function_start): Declare.
23826 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23828 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23829 last_expr_type, last_expr_value, block_start_count, block_stack,
23830 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23831 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23832 dynamically in stmt elt of struct function for each function.
23833 (struct nesting): Rename function_call_count elt to n_function_calls,
23834 target_temp_slot_level to block_target_temp_slot_level. All users
23836 (struct stmt_status): New structure definition.
23837 Add many accessor macros for stmt_status elements which previously
23838 were global variables.
23839 (init_stmt_for_function): Allocate stmt elt for current_function.
23840 Reflect that block_start_count was renamed to
23841 current_block_start_count.
23842 (save_stmt_status, restore_stmt_status): Delete functions.
23843 (preserve_subexpressions_p): Don't access loop_stack when outside
23845 (expand_start_bindings): Reflect that block_start_count was renamed to
23846 current_block_start_count.
23847 (expand_fixup): Likewise.
23848 (expand_decl): Don't access block_stack when outside a function.
23849 (expand_decl_cleanup): Likewise.
23850 (expand_dcc_cleanup): Likewise.
23851 (expand_dhc_cleanup): Likewise.
23852 (expand_anon_union_decl): Likewise.
23853 (set_file_and_line_for_stmt): New function.
23854 (in_control_zone_p): New function.
23856 * function.h (struct function): Add new elt stmt.
23857 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23858 case_stack, nesting_stack, nesting_depth, block_start_count,
23859 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23860 emit_lineno, goto_fixup_chain.
23861 (save_eh_status, restore_eh_status, save_stmt_status,
23862 restore_stmt_status): Delete declarations.
23863 * function.c (push_function_context_to): Don't call save_stmt_status.
23864 (pop_function_context_to): Don't call restore_stmt_status.
23865 * tree.h (in_control_zone_p): Declare.
23866 * rtl.h (set_file_and_line_for_stmt): Declare.
23868 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23869 call set_file_and_line_for_stmt.
23871 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23873 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23874 Also update copyright.
23876 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23878 * c-pragma.c: Don't include "except.h".
23879 * emit-rtl.c: Likewise.
23880 * stor-layout.c: Likewise.
23881 * tree.c: Likewise.
23882 * varasm.c: Likewise.
23884 * flow.c: Include "function.h".
23885 * tree.h (init_dummy_function_start): Declare new function.
23887 * except.h (struct eh_status): New structure.
23888 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23890 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23891 catch_clauses, false_label_stack, caught_return_label_stack,
23892 protect_list, current_function_ehc): Add accessor macros for the
23893 corresponding fields in current_function->eh; delete declarations
23894 for all items that used to be declared here.
23895 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23896 catch_clauses, false_label_stack, caught_return_label_stack,
23897 protect_list, current_function_ehc): Delete variables.
23898 (init_eh_for_function): Allocate current_function->eh.
23899 (save_eh_status, restore_eh_status): Delete functions.
23901 * function.h (struct function): Add fields next_global and eh.
23902 Delete all exception handling related fields.
23903 * function.c (current_function): New variable.
23904 (all_functions): New variable.
23905 (push_function_context_to): Don't allocate a struct function,
23906 use current_function instead. Call init_dummy_function_start when
23907 outside a function. Clear current_function before returning.
23908 (pop_function_context_from): Restore current_function.
23909 Don't free the restored struct function.
23910 (prepare_function_start): New function.
23911 (init_dummy_function_start): New function.
23912 (init_function_start): Break out some code into prepare_function_start
23915 * stmt.c (save_stmt_status): Don't call save_eh_status.
23916 (restore_stmt_status): Don't call restore_eh_status.
23918 * Makefile.in: Update dependencies.
23920 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23922 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23923 of depending on a magic constant value. Update comments.
23924 (hppa_expand_prologue): Similarly.
23926 * pa.md (reload_indi, reload_outdi): Allow any register for the
23927 original reload register.
23929 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23931 * cccp.c (print_help): Change marcos to macros.
23933 1999-07-30 Richard Henderson <rth@cygnus.com>
23935 * c-typeck.c (initializer_constant_valid_p): Move ...
23936 * c-common.c (initializer_constant_valid_p): ... here. Use
23937 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23938 of label addresses.
23939 * c-common.h (initializer_constant_valid_p): Declare.
23940 * c-tree.h (initializer_constant_valid_p): Remove.
23942 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23944 * config/i386/sol2-c1.asm: Align the stack.
23945 * config/i386/sol2-gc1.asm: Likewise.
23947 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23949 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23950 -Asparclite for sparc86x.
23951 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23953 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23955 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23957 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23958 the user if using the non-default arch size in BI_ARCH configuration.
23959 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23961 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23962 Fix patterns so that they actually match.
23963 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23964 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23965 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23967 (mulsidi3): Reflect this in the expand.
23968 (smulsi3_highpart): Only on TARGET_ARCH32.
23969 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23970 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23971 (umulsidi3): Reflect this in the expand.
23972 (umulsi3_highpart): Only on TARGET_ARCH32.
23973 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23974 don't require g0 to be zero.
23975 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23976 ({,u}divsi3): New expands.
23977 ({,u}divsi3_sp64): New patterns.
23978 (after lshrdi3_v8plus): Four new patterns to help combiner
23979 optimizing nested mixed mode shifts.
23981 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23982 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23983 speed things up. Don't use them by default on plain v9 in 64bit
23984 mode, according to what SPAMv9 sais.
23986 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23987 top 32 bits of %[og][0-7] in signal handlers.
23988 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23990 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23992 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23993 (ashlsi3): Corresponding changes.
23995 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23997 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23999 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24001 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24003 * arm.h (Hint): Delete macro.
24004 Substitute HOST_WIDE_INT for Hint in some prototypes.
24005 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24007 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24009 * builtins.c (expand_builtin_setjmp): Use force_operand to
24010 make sure that the buffer address is in a suitable form to be
24011 passed to force_reg.
24013 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24015 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24018 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24020 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24021 proper mode in the condition string.
24022 (icacheflush, dcacheflush): Remove modes from match_operands.
24024 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24025 proper mode before using it.
24027 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24030 * pa.c (store_reg): Do not call add_high_const generator directly.
24031 (load_reg, set_reg_plus_d): Likewise.
24032 * pa.md (add_high_const): No longer a named pattern.
24034 * pa.c (legitimize_address): Consistently use Pmode rather than
24035 SImode. Do not call gen_pic2_highpart directly anymore.
24036 * pa.md (pic2_highpart): No longer a named pattern.
24037 (pic2_lo_sum): Similarly. Reformat to make more readable.
24039 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24044 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24046 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24048 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24050 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24051 and tag the spill mems.
24052 (hppa_va_start): New.
24053 (hppa_va_arg): New.
24054 * pa.h (EXPAND_BUILTIN_VA_START): New.
24055 (EXPAND_BUILTIN_VA_ARG): New.
24057 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24059 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24060 and tag the spill mems.
24061 (mn10300_va_start): New.
24062 (mn10300_va_arg): New.
24063 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24064 (EXPAND_BUILTIN_VA_ARG): New.
24066 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24068 * mn10200.c (mn10200_va_arg): New.
24069 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24071 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24073 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24074 rather than play with TREE_INT_CST_LOW.
24076 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24078 * config/arm/telf.h: Include dbxelf.h.
24079 (CPP_PREDEFINES): Only define if not already defined.
24080 (ASM_IDENTIFY_GCC): Likewise.
24081 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24082 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24083 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24085 (DBX_DEBUGGING_INFO): Don't define.
24086 * config/arm/linux-telf.h: New file.
24087 * config/arm/linux-tgas.h: New file.
24088 * config/arm/t-thumb-linux: New file.
24089 * config/arm/uclinux-elf.h: New file.
24090 * config/arm/uclinux-telf.h: New file.
24091 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24092 thumb-*-uclinux): New targets.
24093 * configure: Regenerate.
24095 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24097 * pa.md (post_store, pre_load): New expanders.
24098 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24099 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24100 need to directly generate RTL for them.
24101 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24104 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24106 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24107 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24108 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24109 (secndary_reload_class): Make TARGET_ELF conditional compile.
24110 (print_operand_address): Similar.
24111 (output_toc): Print all values as hex.
24112 (get_issue_rate): Rearrange and add RS64A and PPC630.
24113 * rs6000.h (processor_type): Add RS64A and PPC630.
24114 (PROCESSOR_POWERPC64): New.
24115 (PROMOTE_MODE): Use word_mode.
24116 (RTX_COSTS): Add RS64A and PPC630.
24117 * rs6000.md (scheduling information): Add lmul and ldiv
24118 representing 64-bit integer multiply and divide. Add rs64a and
24119 PPC630 information.
24120 (ashldi3): Add support for "rldic" instruction.
24121 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24123 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24125 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24126 instead of V8 for sparclite86x in cpu_table.
24128 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24130 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24131 output_file_directive.
24133 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24135 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24136 tree for op1, not the rtl.
24138 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24140 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24141 to m88k_va_start, leaving only the register spill.
24142 (m88k_build_va_list): New.
24143 (m88k_va_start): New.
24144 (m88k_va_arg): New.
24145 * m88k.h (BUILD_VA_LIST_TYPE): New.
24146 (EXPAND_BUILTIN_VA_START): New.
24147 (EXPAND_BUILTIN_VA_ARG): New.
24149 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24151 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24152 Rename from expand_builtin_saveregs.
24153 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24155 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24157 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24158 for the register spill block.
24159 (i960_build_va_list): New.
24160 (i960_va_start): New.
24161 (i960_va_arg): New.
24162 * i960.h (BUILD_VA_LIST_TYPE): New.
24163 (EXPAND_BUILTIN_VA_START): New.
24164 (EXPAND_BUILTIN_VA_ARG): New.
24165 * i960.md (store_multiple): Use change_address on individul mems.
24167 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24169 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24171 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24172 (expand_builtin_va_end): Evaluate arg for side effects.
24173 * c-common.c (c_common_nodes_and_builtins): Construct a
24174 va_list_arg_type_node to handle array decomposition to pointer.
24176 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24178 * except.c (st_dynamic_cleanup): Use force_operand on the
24181 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24183 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24184 * c4x.c (c4x_va_arg): New.
24186 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24188 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24189 has manual_pop set.
24191 1999-07-26 Nathan Sidwell <nathan@acm.org>
24193 * eh-common.h (__eh_matcher): Prototype correctly.
24195 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24197 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24198 (TARGET_SINGLE_PIC_BASE): Likewise.
24199 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24201 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24202 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24203 (TARGET_OPTIONS): Add -mpic-register=N.
24204 (OUTPUT_INT_ADDR_CONST): New macro.
24205 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24206 LEGITIMATE_PIC_OPERAND_P): Likewise.
24207 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24208 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24209 output_addr_const directly.
24210 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24212 (thumb_pic_register, thumb_pic_register_string): Declare.
24214 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24216 (label_mentioned_p): New function: Imported from arm.c.
24217 (legitimize_pic_address): New function: Imported from arm.c.
24218 (is_pic):New function: Imported from arm.c.
24219 (thumb_finalize_pic):New function: Imported from arm.c.
24220 (add_constant): Cope with PIC constants.
24221 (fixit): Cope with PIC constants.
24222 (output_return): Do not treat the PIC register as live if
24223 TARGET_SINGLE_PIC_BASE is true.
24224 (thumb_function_prologue): Do not treat the PIC register as live if
24225 TARGET_SINGLE_PIC_BASE is true.
24226 (thumb_expand_prologue): Do not treat the PIC register as live if
24227 TARGET_SINGLE_PIC_BASE is true.
24228 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24229 TARGET_SINGLE_PIC_BASE is true.
24230 (thumb_print_operand): Accept '|'.
24231 (thumb_override_options): Process PIC options.
24233 * config/arm/thumb.md (movsi): Support PIC.
24234 (call_insn): Change "i" constraint to "X".
24235 (call_value_insn): Likewise.
24236 (consttable_4, consttable_8, consttable_end): Set and clear
24237 "making_const_table" as appropriate.
24238 (pic_load_addr, pic_add_dot_plus_four): New insns.
24240 * invoke.texi (Thumb Options): Fix spelling. Document new
24241 options -msingle-pic-base and -mpic-register=.
24243 1999-07-26 Andrew Haley <aph@cygnus.com>
24245 * config/m32r/initfini.c (__init): Use a full word immediate for
24246 __fini: this allows it to be placed in any memory region.
24248 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24249 -mmodel=medium. This is OK for all memory models.
24251 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24253 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24254 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24256 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24258 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24261 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24263 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24265 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24266 (BUILD_VA_LIST_TYPE): New.
24267 (EXPAND_BUILTIN_VA_START): New.
24268 (EXPAND_BUILTIN_VA_ARG): New.
24269 * i860.c (output_delayed_branch): Disable.
24270 (output_delay_insn): Likewise.
24271 (i860_saveregs): New.
24272 (i860_build_va_list): New.
24273 (i860_va_start): New.
24274 (i860_va_arg): New.
24275 * i860.md: Disable all peepholes using output_delayed_branch.
24276 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24278 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24280 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24281 (BUILD_VA_LIST_TYPE): New.
24282 (EXPAND_BUILTIN_VA_START): New.
24283 (EXPAND_BUILTIN_VA_ARG): New.
24284 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24285 Return the address of the save area.
24286 (clipper_build_va_list): New.
24287 (clipper_va_start): New.
24288 (clipper_va_arg): New.
24290 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24292 * arc.h (EXPAND_BUILTIN_VA_START): New.
24293 (EXPAND_BUILTIN_VA_ARG): New.
24294 * arc.c (arc_setup_incoming_varargs): Set alias set of
24296 (arc_va_start): New.
24299 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24301 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24302 (BUILD_VA_LIST_TYPE): New.
24303 (EXPAND_BUILTIN_VA_START): New.
24304 (EXPAND_BUILTIN_VA_ARG): New.
24305 * alpha.c (alpha_builtin_saveregs): Delete.
24306 (alpha_build_va_list): New.
24307 (alpha_va_start): New.
24308 (alpha_va_arg): New.
24310 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24312 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24314 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24315 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24317 * gcc.texi: More changes related to list conversion.
24318 * invoke.texi: Likewise.
24320 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24322 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24323 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24324 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24325 (stabilize_va_list): New function.
24326 (std_expand_builtin_va_start): New function.
24327 (expand_builtin_va_start): New function.
24328 (get_varargs_alias_set): New function.
24329 (std_expand_builtin_va_arg): New function.
24330 (expand_builtin_va_arg): New function.
24331 (expand_builtin_va_end): New function.
24332 (expand_builtin_va_copy): New function.
24333 (expand_builtin): Call them.
24334 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24335 __builtin_{varargs_start,stdarg_start,end,copy}.
24336 (build_va_arg): New function.
24337 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24338 (build_va_arg): Declare.
24339 * c-decl.c (ptr_type_node, va_list_type_node): New.
24340 * c-parse.gperf (__builtin_va_arg): New.
24341 * c-parse.in (VA_ARG): New token.
24342 (unary_expr): Recognize it.
24343 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24344 * expr.h (std_expand_builtin_va_start): Declare.
24345 (std_expand_builtin_va_arg): Declare.
24346 (expand_builtin_va_arg): Declare.
24347 (get_varargs_alias_set): Declare.
24348 * tree.def (VA_ARG_EXPR): New.
24349 * tree.h (BUILT_IN_VARARGS_START): New.
24350 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24351 (ptr_type_node, va_list_type_node): Declare.
24352 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24353 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24354 * m88k.h, m88k.c: Likewise.
24355 * mn10300.h, mn10300.c: Likewise.
24356 * pa.h, pa.c: Likewise.
24357 * rs6000.h, rs6000.c: Likewise.
24358 * sh.h, sh.c: Likewise.
24359 * sparc.h, sparc.c: Likewise.
24361 * emit-rtl.c (operand_subword): Copy alias set.
24362 (change_address): Likewise.
24364 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24366 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24367 not just the first one.
24369 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24371 * config/arm/arm.h (TARGET_SWITCHES): Add
24372 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24373 (TARGET_OPTIONS): Add -mpic-register=.
24374 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24375 (arm_pic_register_string): Declare.
24376 (NEED_PLT_GOT): Delete, replace with ...
24377 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24378 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24379 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24380 * config/arm/arm.c (arm_override_options): Add new option
24382 (arm_pic_register_string): New variable.
24383 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24384 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24385 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24386 (output_return_instruction): Likewise.
24387 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24388 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24389 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24391 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24392 mention of -msched-prolog. Document new options -msingle-pic-base
24393 and -mpic-register=.
24395 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24397 * haifa-sched.c (reemit_notes): Tidy.
24398 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24401 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24403 * explow.c (trunc_int_for_mode): New function.
24404 (plus_constant_wide): Use it.
24405 * combine.c (simplify_and_const_int): Likewise.
24406 (merge_outer_ops): Likewise.
24407 (simplify_shift_const): Likewise.
24408 * cse.c (simplify_unary_operation): Likewise.
24409 (simplify_binary_operation): Likewise.
24410 * emit-rtl.c (operand_subword): Likewise.
24411 * rtl.h: Declare it.
24413 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24415 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24416 (use NUM_REGS instead of NUM_INTS).
24418 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24420 * builtins.c: New file.
24421 * expr.c (saveregs_value, apply_args_value): Delete definition,
24422 moved into builtins.c.
24423 (string_constant): No longer static.
24424 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24425 apply_args_size, apply_result_size, result_vector,
24426 expand_builtin_apply_args, expand_builtin_apply,
24427 expand_builtin_return): Delete functions, moved into builtins.c.
24428 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24429 * expr.h (saveregs_value, apply_args_value): Declare variables.
24430 (expand_builtin, string_constant): Declare functions.
24431 * Makefile.in: Update to build builtin.o.
24433 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24435 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24436 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24437 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24438 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24440 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24443 1999-07-21 Michael Meissner <meissner@cygnus.com>
24445 * print-rtl.c (print_rtx): Print the names of the virtual
24448 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24450 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24451 introduced in previous delta.
24453 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24455 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24456 to avoid name clash.
24458 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24460 * c-lex.c (yylex) : Correct the test for overflow when lexing
24463 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24465 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24466 (adjust_priority): Always call ADJUST_PRIORITY.
24467 (schedule_insn): Only put insns into the ready at cost 0.
24468 (schedule_block): Remove redundant initial sort. Give clock_var
24469 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24471 * tm.texi (MD_SCHED_REORDER): Update docs.
24473 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24474 * sparc.c (ultra_reorder_called_this_block): Delete.
24475 (ultrasparc_sched_init): Don't set it.
24476 (ultrasparc_sched_reorder): Don't check it.
24478 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24480 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24481 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24482 (function_arg_boundary): Align DFmode.
24483 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24484 to get fp reg and stack overflow correct.
24485 (function_arg): Likewise.
24486 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24487 (setup_incoming_varargs): Restructure for ABI_V4; use
24488 function_arg_advance to skip final named argument.
24489 (expand_builtin_saveregs): Properly unskip the last integer arg
24490 when doing varargs. Adjust overflow location calculation.
24492 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24493 explicitly unsigned.
24494 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24495 (__VA_GP_REGSAVE): Similarly.
24496 (__va_longlong_p): Delete.
24497 (__va_arg_type_violation): New declaration.
24498 (va_arg): Restructure. Flag promotion errors. Align double.
24499 TFmode passed by reference.
24501 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24502 in the HOST_BITS_PER_WIDE_INT > 32 case.
24504 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24506 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24508 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24510 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24511 * toplev.c (documented_lang_options): Add -fpreprocessed.
24512 * cpplib.h (struct cpp_buffer): Add preprocessed.
24513 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24514 (cpp_start_read): Don't expand macros or emit an initial #line
24515 directive if -fpreprocessed.
24517 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24519 * cpplib.h (struct cpp_buffer): Added manual_pop for
24520 better C++ tokenization.
24521 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24522 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24523 * c-common.c (cpp_token): Make non-static.
24525 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24527 * c-common.h: New file.
24528 * c-common.c (permanent_obstack): Delete unused declaration.
24529 (c_global_trees): New array.
24530 (c_common_nodes_and_builtins): New function; split off common code
24531 from init_decl_processing in both c-decl.c and cp/decl.c.
24532 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24533 c_global_trees and accessor macros defined in c-common.h.
24534 Include c-common.h.
24535 * c-decl.c: Delete definitions for tree nodes that were replaced by
24537 (init_decl_processing): Build void_list_node.
24538 Call c_common_nodes_and_builtins; delete code to generate the common
24540 * objc/objc-act.c (build_module_descriptor): Rename variable
24541 void_list_node to avoid clash with c-common.h.
24543 * Makefile.in: Update dependencies.
24544 * objc/Make-lang.in: Likewise.
24546 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24548 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24549 (UNIQUE_SECTION_P): Likewise.
24550 (UNIQUE_SECTION): Likewise.
24552 1999-07-19 Linas Vepstas <linas@linas.org>
24554 * config/i370/README: New file.
24555 * config/i370/linux.h: New file.
24556 * config/i370/mvs.h: New file.
24557 * config/i370/oe.h: New file.
24558 * config/i370/t-linux: New file.
24559 * config/i370/t-mvs: New file.
24560 * config/i370/t-oe: New file.
24561 * config/i370/x-oe: New file.
24562 * config/i370/xm-linux.h: New file.
24563 * config/i370/xm-mvs.h: New file.
24564 * config/i370/xm-oe.h: New file.
24566 * i370.c (label_node_t): Add first_ref_page, label_addr,
24567 label_first_ref, label_last_ref members.
24568 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24569 (MAX_MVS_LABEL_SIZE): Define.
24570 (MAX_LONG_LABEL_SIZE): Define.
24571 (alias_node_t, alias_anchor, alias_number): New.
24572 (mvs_function_table): Reorder for EBCDIC.
24573 (ascebc, ebcasc): Unconditionally define.
24574 (i370_branch_dest, i370_branch_length): New functions.
24575 (i370_short_branch, i370_label_scan): New functions.
24576 (mvs_get_label): Renamed from mvs_add_label. Search for
24577 an existing label before creating a new one.
24578 (mvs_add_label): New function.
24579 (mvs_get_label_page): New function.
24580 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24581 over the entire list.
24582 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24583 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24584 (mvs_add_alias, mvs_need_alias): New functions.
24585 (mvs_get_alias, mvs_check_alias): New functions.
24586 (handle_pragma): New function.
24587 (mvs_function_check): New function.
24588 (unsigned_jump_follows_p): Search harder.
24589 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24590 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24591 * i370.h (TARGET_VERSION): Delete.
24592 (CPP_SPEC, CPP_PREDEFINES): Delete.
24593 (mvs_label_emitted): Delete.
24594 (TARGET_EBCDIC): Delete.
24595 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24596 (HANDLE_PRAGMA): Define.
24597 (HARD_REGNO_NREGS): Handle complex modes.
24598 (HARD_REGNO_MODE_OK): Likewise.
24599 (CLASS_MAX_NREGS): Likewise.
24600 (RET_REG): Likewise.
24601 (EXTRA_CONSTRAINT): Define.
24602 (RETURN_IN_MEMORY): True for DImode.
24603 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24604 (FUNCTION_PROFILER): Delete.
24605 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24606 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24607 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24608 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24609 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24610 (ASM_FILE_START): Add "RMODE ANY".
24611 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24612 (ASM_GLOBALIZE_LABEL): Likewise.
24613 (ASM_OUTPUT_LABELREF): Likewise.
24614 (ASM_OUTPUT_COMMON): Likewise.
24615 (PRINT_OPERAND): Handle 'K', 'W', default.
24616 (PRINT_OPERAND_ADDRESS): New.
24617 (Lots of defines): Add support for TARGET_ELF_ABI.
24618 * i370.md (attr length): New. Define for all patterns.
24619 (*): Lots of tweeks to assembly output and constraints.
24621 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24623 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24624 Disable patterns performing SImode comparisons with SImode values
24625 if TARGET_POWERPC64 and instruction does not sign-extend or does
24626 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24627 differ for signed quantities.
24628 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24629 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24630 (decrement_and_branch_on_count): Add 64-bit variant.
24632 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24634 * final.c (output_asm_insn): When searching for the matching string
24635 for a given dialect, don't run past the end of the list of
24636 alternatives if there are fewer alternatives in the template than
24639 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24641 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24642 Removed paragraph about compression of files and size limitation,
24643 duplicated in the FAQ. Use gcc-patches for posting patches.
24644 * gcc.c (main): Updated URL with bug reporting instructions to
24645 gcc.gnu.org. Removed e-mail address.
24646 * system.h (abort): Likewise.
24648 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24650 * Makefile.in (stmp-multilib-sub): Make the files extracted
24651 from $(LIBGCC1) writable.
24653 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24655 * config/arm/aout.h: Reformat for improved readability.
24657 * config/arm/arm.h: Reformat for improved readability.
24658 Replace uses of fprintf with asm_fprintf where appropriate.
24659 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24660 function declaration assembler actions.
24661 (NUM_INTS): New macro: Convert from bytes to words.
24662 (NUM_REGS): New macro: Compute number of registers required to
24663 hold a quanitity of tyep MODE.
24664 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24666 (NUM_ARG_REGS): New macro: The number of argument registers
24668 (ARG_REGISTER): New macro: Compute the register number of the Nth
24670 (LAST_ARG_REGNUM): New macro: The number of the last argument
24672 (SP_REGNUM): New macro: Register number of the stack pointer.
24673 (FP_REGNUM): New macro: Register number of the frame pointer.
24674 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24675 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24676 CUMULATIVE_ARGS so that it counts registers not bytes.
24678 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24680 Replace uses of fprintf with asm_fprintf where appropriate.
24681 (output_ascii_pseudo_op): Replace with version from thumb.c
24683 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24685 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24686 SUBTARGET_CPP_SPEC.
24687 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24688 (ASM_FILE_START): Emit ASM_APP_OFF.
24690 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24692 * pa.c (compute_frame_size): Round frame according to
24693 STACK_BOUNDARY rather than a hardwired value.
24695 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24697 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24699 * configure: Rebuilt.
24701 * configure.in (hppa*-*-linux*): New configuration.
24702 * configure: Rebuilt.
24703 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24704 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24705 * pa/pa-linux.h: New file.
24706 * pa/t-linux: New file.
24707 * pa/xm-linux.h: New file.
24709 * pa.c (hppa_legitimize_address): Change references from SImode to
24710 either Pmode or word_mode as appropriate.
24711 (emit_move_sequence, store_reg, load_reg): Likewise.
24712 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24713 (output_mul_insn): Likewise.
24714 * pa.h (PROMOTE_MODE): Likewise.
24715 (INITIALZE_TRAMPOLINE): Likewise.
24716 (Pmode): Define to word_mode.
24718 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24719 value of 4. Allocate 8 bytes for each FP register save.
24720 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24722 (hppa_expand_prologue): Likewise.
24723 * pa.h (PROMOTE_MODE): Likewise.
24724 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24725 (FUNCTION_ARG_BOUNDARY): Likewise.
24727 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24729 * pa.c (out_of_line_prologue_epilogue): Delete.
24730 (override_options): Remove -mspace related code.
24731 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24732 (compute_frame_size): Only allocate space for register that
24733 actually need to be saved.
24734 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24735 (TARGET_SWITCHES): Remove -mspace, -mno-space
24736 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24737 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24738 * pa/ee.asm, pa/ee_fp.asm: Delete.
24740 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24742 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24743 directive in column zero.
24745 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24747 * m68k.c (output_function_prologue): Fix computation of save mask
24748 when generating PIC code.
24750 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24752 * tree.c (build_type_attribute_variant): Move current_obstack restore
24753 after build_qualified_type call.
24755 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24757 * configure.in: Use t-iris6, even with GNU LD.
24758 * config/mips/iris6gld.h: Fix typo in linker spec.
24759 * config/mips/t-iris6gld: Remove.
24761 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24763 * rs6000.md (insv, extzv): Remove SImode dependence in named
24764 patterns. Explicitly generate DImode RTL if PowerPC64 and
24766 (insvdi): Reverse start and size in instruction template.
24768 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24770 * invoke.texi: Typo fixes.
24772 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24774 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24775 handle at this time instead of silently generating incorrect code.
24776 (gen_imagpart): Likewise.
24778 * reload.c (find_reloads): Emit a USE for a pseudo register without
24779 a hard register if we could not create an optional reload for the
24782 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24784 * c-typeck.c (output_init_element, process_init_element):
24785 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24786 check for nameless bit fields.
24788 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24790 * regclass.c (scan_one_insn): Notice subregs that change the
24791 size of their operand.
24792 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24794 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24796 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24797 * configure: Rebuilt.
24798 * alpha/t-ieee: New file.
24800 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24802 * rs6000.c (find_addr_reg): Do not select r0 as an address
24805 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24807 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24809 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24811 * rs6000.md (movsf): Do not force easy FP constants into memory.
24813 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24814 immed_double_const to ensure they are properly truncated then
24817 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24819 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24820 always unless NO_DEBUG is used. Compile this code
24822 (replace_symbols_in_block): Compile it unconditionally.
24824 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24826 * configure.in (i?86-*-elf*): New target.
24827 * configure: Rebuilt.
24828 * i386/i386elf.h, i386/t-i386elf: New files.
24830 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24832 * toplev.c (main): Don't complain about saying -gdwarf.
24833 (rest_of_compilation): Remove redundant code.
24835 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24837 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24839 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24841 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24842 "Li960R:", to avoid name clash.
24844 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24846 * loop.c (check_dbra_loop): When reversing a loop, delete all
24847 REG_EQUAL notes referencing the reversed biv except those which are
24848 for a giv based on it.
24850 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24852 * version.c: Drop "gcc-" prefix from version #.
24854 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24856 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24857 the label if we're being verbose.
24859 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24861 * m68k.c (output_function_prologue): Add pic register to mask
24862 if live and flag_pic.
24863 (output_function_epilogue): Likewise.
24865 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24867 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24868 directives in column zero.
24870 * pa/elf.h (ASM_FILE_START): Define.
24871 * pa/som.h (ASM_FILE_START): Include .level directives.
24872 * pa/hpux10.h (ASM_FILE_START): Delete.
24873 * pa/hpux11.h (ASM_FILE_START): Delete.
24875 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24877 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24879 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24880 when reload_out equals reload_in.
24882 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24884 * invoke.texi (Spec Files): New node: Describe the contents of
24887 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24889 * invoke.texi (DEC Alpha Options): Put @end table at
24890 beginning of line, to avoid confusing texi2html.
24892 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24894 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24895 introduced in previous delta.
24897 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24899 * reload1.c (gen_reload): When synthesizing a 3 operand add
24900 sequence, improve test for when to reload OP1 into the reload
24901 register instead of OP0.
24903 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24905 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24907 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24909 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24912 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24914 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24915 (va_dcl): Use __builtin_va_alist_t.
24917 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24919 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24920 on the permanent_obstack.
24921 * dwarfout.c (output_type): Likewise.
24923 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24925 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24926 Merged from c-typeck.c and cp/typeck.c.
24927 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24928 Merged into c-common.
24930 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24932 * c-lex.c (errorcount): Declare it.
24933 (finish_parse): Update errorcount when using CPPLIB.
24935 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24937 * fixinc/inclhack.def(end_else_label): Double the backslash so
24938 sed gets a chance to see it.
24939 * fixinc/inclhack.sh: regen
24940 * fixinc/fixincl.x: regen
24942 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24944 Add framework to support armv5 architecture when it becomes
24947 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24948 (arm_arch5): New variable.
24949 (all_architectures): Add armv5 line.
24950 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24951 -march=armv5 is specified on the command line.
24952 (arm_arch5): Export this variable.
24953 * invoke.texi: Document new string accepted by -march= switch for
24956 * config/arm/arm.h: Replace use of constant 12 as a register
24957 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24958 * config/arm/arm.c: Replace use of constant 12 as a register
24959 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24961 * config/arm/elf.h: Tidy up.
24962 * config/arm/coff.h: Tidy up.
24964 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24966 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24967 * gcc/config/mips/t-iris6gld: New file.
24968 * gcc/config/mips/iris6gld.h: Likewise.
24970 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24972 * c-decl.c (widest_integer_literal_type_node,
24973 widest_unsigned_literal_type) : New.
24974 (init_decl_processing): Handle/use the two new types.
24975 * c-common.c (type_for_size,type_for_mode) : Same.
24976 * c-lex.c (yylex) : Same.
24977 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24979 * c-tree.h (widest_integer_literal_type_node,
24980 widest_unsigned_literal_type) : New.
24982 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24984 * dwarfout.c (field_byte_offset): Correctly compute the object's
24985 byte offset for the first bit of a field which crosses an alignment
24986 boundary on a !BYTES_BIG_ENDIAN target.
24988 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24990 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24993 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24994 Jeff Law <law@cygnus.com>
24996 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24999 * except.c: Include intl.h.
25000 (expand_eh_return): Set current_function_cannot_inline.
25001 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25002 * function.h (struct function): Add eh_return_stub_label.
25003 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25004 * Makefile.in (except.o): Depend on intl.h.
25006 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25008 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25009 same as offsettable in cases 1 and 2.
25011 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25013 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25014 (extlh, extwh): Likewise.
25016 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25018 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25020 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25022 * configure.in: Add arm-pe and thumb-pe targets.
25023 * configure: Regenerate.
25025 * thumb.c (arm_naked_function_p): New function: Determines if
25026 a function is naked (has no gcc generated prologue/epilogue).
25027 (is_called_in_ARM_mode): Return true if the func has the
25028 interfacearm attribute.
25029 (output_return): Do not generate a return for naked functions.
25030 (thumb_function_prologue): Do not generate a prologue for
25032 (thumb_expand_prologue): Do not generate a prologue for naked
25034 (thumb_expand_epilogue): Do not generate an epilogue for naked
25036 (arm_valid_machine_decl_attribute): New function, copied from
25037 arm.c: Permit naked and interfacearm attributes.
25039 * config/arm/pe.c: New file: Support code for arm-pe target.
25040 * config/arm/pe.h: New file: Header file for arm-pe target.
25041 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25042 * config/arm/t-thumb-pe: New file: Makefile fragment for
25045 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25047 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25048 -fPIC or -fpic is specified.
25050 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25052 * expr.c (emit_block_move): Use copy_to_mode_reg for
25053 !TARGET_MEM_FUNCTIONS case too.
25055 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25057 * configure: Rebuilt.
25058 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25059 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25060 definitions made redundant by dbxelf.h inclusion. Delete
25061 lots of definitions related to assembly output that are
25062 specific to the SOM object format.
25063 * pa.c (output_function_prologue): Do not emit the function's
25065 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25066 * pa-pro.h: Deleted.
25067 * som.h: New file with SOM specific definitions.
25068 * elf.h: New file with ELF specific definitions.
25070 * elfos.h (const_section): Output a tab before assembler directives.
25071 (ctors_section, dtors_section): Likewise.
25072 (ASM_OUTPUT_SECTION_NAME): Likewise.
25074 * pa/pa1.h: Delete unused file.
25076 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25078 * configure.in (hppa*-hp-hpux11*): New configuration.
25079 * configure: Rebuilt.
25080 * pa/pa-hpux11.h: New file.
25081 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25084 * mips.md (leasi, leadi): New patterns.
25086 * expr.c (emit_block_move): Properly handle case where one of the
25087 block move arguments has a queued increment or decrement.
25088 (clear_storage): Similarly. Fix formatting goof.
25090 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25092 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25093 semicolon from the BSD VA_LIST replacement expression.
25095 * fixinc/inclhack.sh: regen
25096 * fixinc/fixincl.x: regen
25098 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25099 now use the fixincl program.
25101 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25103 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25104 case. Also make the PIC register call_used.
25106 * m68k.h (FINALIZE_PIC): Delete.
25107 * m68k.c (finalize_pic): Delete.
25109 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25111 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25114 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25116 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25118 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25120 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25122 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25124 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25126 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25128 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25130 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25132 * rs6000.c (output_toc): Always use hex values for floating-point
25133 constants. Store single-precision values in upper-half of TOC
25134 entry in 64-bit mode.
25135 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25136 to final constraints.
25137 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25138 (fctiwz): Improve accuracy of RTL for pattern.
25140 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25142 * expr.c (expand_expr): Allow RTL_EXPR's through the
25143 MAX_INTEGER_COMPUTATION_MODE checks.
25145 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25147 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25148 such that MASK_SUPPORT_ARCH is not negative.
25150 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25152 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25153 ADDR_DIFF_VEC insns that appear inside loops.
25155 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25156 Jeff Law <law@cygnus.com>
25158 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25159 Handle LO_SUM the same as offsettable in cases 1 and 2.
25160 * rs6000.c (find_addr_reg): Revert previous patch.
25162 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25164 * system.h (strstr): New external function declaration.
25165 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25166 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25167 * config.in, configure: Rebuilt.
25169 1999-06-24 Tom Tromey <tromey@cygnus.com>
25171 * gcc.c (main): Read user-specified specs files after computing
25172 additional startfile_prefixes.
25174 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25176 Revert these two patches:
25178 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25179 * loop.c (strength_reduce): When doing biv->giv conversion, update
25180 reg note of NEXT->insn.
25182 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25183 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25185 (recombine_givs): Set ix field after sorting.
25187 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25189 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25190 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25192 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25194 *fixinc/inclhack.def: Add fix development commentary
25195 (read_ret_type): reactivate and add selection clause
25196 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25197 *fixinc/{fixincl.x|inclhack.sh}: regen
25199 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25201 * expr.c (expand_expr): STRIP_NOPS before checking against
25202 MAX_INTEGER_COMPUTATION_MODE
25203 (check_max_integer_computation_mode): Likewise.
25205 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25207 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25209 1999-06-22 Jim Wilson <wilson@cygnus.com>
25211 * expr.c (store_expr): When target is a promoted subreg, return a
25212 promoted subreg as a result.
25214 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25216 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25218 (dwarf2out_define): Mark unused parameters appropriately.
25219 (gen_unspecified_parameters_die): Ditto.
25220 (gen_subprogram_die): Fix signed/unsigned warnings.
25221 (gen_variable_die): Ditto.
25223 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25225 * fixinc/inclhack.def(end_else_label): combined else_label
25226 and endif_label and fixed the sed expression.
25227 *fixinc/{fixincl.x|inclhack.sh}: regen
25229 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25231 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25232 'x' when handling non-offsettable addresses
25234 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25236 * final.c (shorten_branches): Don't try to split an insn that has
25239 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25241 * config/mips/mips.c (symbolic_expression_p): New function.
25242 (mips_select_rtx_section): Put symbolic expressions in the
25243 data section, not the read-only data section.
25245 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25247 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25249 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25251 * collect2.c (main): Log frame table count.
25252 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25253 (scan_prog_file) [COFF]: Handle frame tables.
25255 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25256 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25257 * alpha/elf.h: Undef them again.
25258 * alpha/vms.h: Remove their definitions.
25260 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25262 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25263 remove the clobber of r0 and change the REG_UNUSED note to
25266 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25268 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25269 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25270 fits in HOST_WIDE_INT and one uses union to access a long constant
25273 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25275 * sparc.c (sparc_override_options): Don't allow profiling for
25276 code models other than medlow.
25277 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25278 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25279 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25280 (sparc_block_profiler): Likewise.
25281 (sparc_function_block_profiler_exit): Likewise.
25282 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25283 (FUNCTION_BLOCK_PROFILER): Likewise.
25284 (BLOCK_PROFILER): Likewise.
25285 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25286 (MCOUNT_FUNCTION): New.
25287 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25288 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25289 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25290 (MCOUNT_FUNCTION): New.
25291 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25292 (BLOCK_PROFILER): Delete.
25293 (MCOUNT_FUNCTION): New.
25295 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25297 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25299 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25301 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25304 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25307 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25310 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25313 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25315 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25318 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25320 * i386/djgpp.h (LIB_SPEC): New.
25321 (STARTFILE_SPEC): New.
25323 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25325 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25327 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25330 * system.h (WSTOPSIG): New macro.
25332 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25334 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25336 (insert_pack_attributes): Take into account member natural
25339 * i386/winnt.c (exports_head): New static variable.
25340 (i386_pe_record_exported_symbol): New function.
25341 (i386_pe_asm_file_end): Use.
25342 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25343 symbols to be emitted at end of assembly.
25344 (ASM_DECLARE_OBJECT_NAME): Likewise.
25345 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25347 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25350 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25352 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25355 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25357 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25358 zapping reg_last_uses directly.
25359 (sched_analyze_2, sched_analyze_insn): Likewise.
25360 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25362 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25364 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25365 attributes for cases 1 and 2.
25367 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25369 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25372 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25374 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25376 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25378 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25379 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25380 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25381 must be stacked if it is used for PIC accesses.
25382 * arm.c (use_return_insn): Handle PIC register specially.
25383 (output_return_instruction): Likewise.
25384 (output_func_{prologue,epilogue}): Likewise.
25385 (output_expand_prologue): Likewise.
25387 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25388 (*strsi_predec): Renamed from *strqi_predec.
25389 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25390 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25392 * arm.c (arm_override_options): Remove warning about PIC code
25393 not being supported.
25395 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25397 * rs6000.c (find_addr_reg): New function.
25398 * rs6000.h (find_addr_reg): Declare.
25399 (offsettable_addr_operand): Delete.
25400 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25401 from and stores to GPRs.
25403 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25405 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25406 gen_sequence as argument to emit_no_conflict_block.
25408 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25410 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25411 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25412 *fixinc/fixincl.x: regen
25413 *fixinc/inclhack.sh: regen
25415 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25417 * added support for -mpcrel (PC relative addressing for m68k)
25418 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25419 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25420 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25421 (comments for general_src_operand): Add some explanation
25422 about EXTRA_CONSTRAINTS.
25423 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25424 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25425 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25426 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25427 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25428 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25429 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25430 if not already set.
25431 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25432 * m68k.h (TARGET_PCREL): New target flag.
25433 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25434 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25435 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25436 contains a SYMBOL_REF. Relax this constraint during reload, since
25437 we want to use the predicates, not reload's built-in concept of a
25438 valid memory address, to control what insns need reloading.
25439 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25440 operands (essentially 'g', 'm', and 's' under normal circumstances).
25441 * m68k.c (print_operand): Cause printing of pc-relative addresses
25442 to include pc register.
25443 (print_operand_address): Ditto.
25444 (general_src_operand): Accept operands that are not only
25445 general_operands, but are also valid when used as a pc-relative
25447 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25448 (memory_src_operand): Similar, for memory_operands.
25449 (pcrel_address): New predicate to accept the special case of a
25450 pc-relative address.
25451 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25452 QImode insns to accept *_src_operand instead of *_operand where
25453 pc-relative operands can fit. For example, a pc-relative operand
25454 can be used as a memory source operand for addsi3, but not as a
25455 memory destination.
25456 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25458 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25460 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25461 .thumb_set pseudo op to mark aliases of thumb functions.
25463 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25465 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25466 preference to ASM_OUTPUT_DEF, if it is defined.
25468 * tm.texi: Document new, optional target macro
25469 ASM_OUTPUT_DEF_FROM_DECLS.
25471 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25473 * fixincludes: ISCNTL patch
25474 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25475 (dgux_int_varargs): new for DG/UX
25476 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25478 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25480 * invoke.texi (ia32 options): Fix typo.
25482 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25484 * loop.c (strength_reduce): When doing biv->giv conversion, update
25485 reg note of NEXT->insn.
25487 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25489 * loop.c (move_movables): Note issues with replacing REGs with
25491 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25493 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25495 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25497 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25498 the reference to `mcount' was not correct for the ELF on FreeBSD.
25500 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25502 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25505 (recombine_givs): Set ix field after sorting.
25507 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25509 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25510 to safe to extract a subword out of a REG.
25512 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25514 * sh.md (mulsi3): Don't add a no-op move at the end.
25516 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25518 * cse.c (cse_insn): Don't put hard register source into tables for
25519 the last insn of a libcall.
25521 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25523 * loop.c (strength_reduce): Insert sets of derived givs at every
25524 biv increment, even if it's the only one.
25526 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25528 * dwarfout.c (add_incomplete_type): New fn.
25529 (output_type): Call it.
25530 (retry_incomplete_types): New fn.
25531 (dwarfout_finish): Call it.
25533 From Eric Raskin <ehr@listworks.com>:
25534 (output_type): Output types for bases.
25536 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25538 * mips.c (mips_output_conditional_branch): Add `break'
25539 between `default' label and `close braces'.
25541 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25543 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25544 specifications and make it realistic.
25545 (LIB_SPEC): Likewise.
25547 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25549 * config/mips/mips.c (mips_secondary_reload_class): Check for
25550 (PLUS (SP) (REG)) and return appropriate register class.
25551 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25552 Handle (PLUS (SP) (REG)).
25553 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25554 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25555 of emit_insn for tablejump.
25557 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25559 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25560 asm_fprintf format string by itself.
25561 (output_function_profiler): Likewise.
25563 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25565 * combine.c (simplify_logical, case AND): Only call
25566 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25567 or the constant is positive.
25569 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25571 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25572 * configure: Regenerate.
25574 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25576 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25577 require a sub-version #.
25578 * configure: Rebuilt.
25580 1999-06-14 Robert Lipe (robertlipe@usa.net)
25582 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25584 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25586 * c-typeck.c (process_init_element): Detect excess elements in
25587 char array initializer.
25589 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25591 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25593 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25595 * invoke.texi (Option Summary): Add -fpermissive flag.
25597 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25599 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25600 that require PIC code sequences.
25602 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25604 * configure.in: Add new target: thumb-elf.
25605 * configure: Regenerate.
25606 * config/arm/t-thumb-elf: New file: Makefile fragment for
25608 * config/arm/telf.h: New file: Header file for thumb-elf
25611 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25613 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25614 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25615 initializers is some circumstances.
25617 * fixinc/inclhack.def (endif_label): Add additional selector for
25618 more bogus stuff after #endif statements.
25619 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25621 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25623 * i386/cygwin.h (SET_ASM_OP): Define.
25625 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25627 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25629 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25631 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25634 * sh.md (ic_invalidate_line_i): Remove second alternative.
25636 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25638 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25639 test for the presence of valid prototypes. Delete bypass expr.
25640 (ioctl_fix_ctrl): Correct the selection expression.
25641 (no_double_slash): Correct quoting rules
25642 *fixinc/fixincl.x: regen
25643 *fixinc/inclhack.sh: regen
25645 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25647 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25649 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25651 * rs6000.md (movsi_got_internal_mem): Delete.
25652 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25653 (GOT_TOC_REGNUM): Delete.
25654 (PIC_OFFSET_TABLE_REGNUM): Define.
25655 (FINALIZE_PIC): Disable.
25656 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25657 (rs6000_replace_regno): Delete.
25658 (rs6000_finalize_pic): Likewise.
25659 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25661 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25663 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25664 is a note; use <= for the compare; advance P while it is
25667 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25669 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25670 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25672 * varasm.c (remove_from_pending_weak_list): Verify t->name
25673 is non-NULL before passing it to strcmp.
25675 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25677 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25678 the typed arguments are not part of a comment
25679 (ioctl_fix_ctrl): Added a purpose comment
25680 *fixinc/fixincl.x: regenerate
25681 *fixinc/inclhack.sh: regenerate
25683 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25685 * invoke.texi: Add C4x invocation docs.
25687 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25689 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25691 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25693 (c4x_legitimize_reload_address): New function.
25694 * config/c4x/c4x.md: Update docs.
25696 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25698 * fixincludes: Avoid removing '.'.
25699 * fixinc/fixinc.svr4: Likewise.
25700 * fixinc/fixinc.winnt: Likewise.
25701 * fixinc/inclhack.tpl: Likewise.
25702 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25704 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25706 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25708 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25710 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25712 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25715 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25717 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25718 * configure: Regenerate.
25720 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25722 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25725 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25727 * fixinc/inclhack.def (avoid_bool): Also catch
25728 "typedef [unsigned] int bool".
25729 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25731 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25732 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25733 * configure: Rebuilt.
25735 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25737 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25738 such that we can override its definitions if necessary.
25739 (CPP_SPEC): New define. Support processor specific predefines via
25741 (CC1_SPEC): New define. Support processor specific compiler
25742 options via %(cc1_cpu).
25743 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25746 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25748 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25749 between sed's -e flag, and the open-quote following it.
25750 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25752 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25753 Jeffrey A Law (law@cygnus.com)
25755 * varasm.c (assemble_start_function): Remove the function
25756 from the pending weak decls list when we define a function.
25757 (assemble_variable): Similarly for variables.
25758 (weak_finish): Ignore items on the list with a NULL name.
25759 (remove_from_ending_weak_list); New function to "remove" an item
25760 from the pending weak declarations list.
25762 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25764 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25766 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25768 * c-lex.c (GETC): Redefine to call getch.
25769 (UNGETC): Redefine to call put_back.
25770 (putback_buffer): New structure type.
25771 (putback): New static structure.
25772 (getch): New function.
25773 (put_back): New function.
25774 (yylex): Replace unused bytes from bad multibyte character.
25776 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25778 * cpplib.c (do_define): Cast `alloca' return value.
25779 (do_include, do_undef, do_pragma): Likewise.
25780 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25782 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25783 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25785 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25787 * sparc.md (abstf2): This should be an expand.
25788 (split after abstf2_notv9): Fix mode.
25789 (abstf2_hq_v9): New pattern.
25790 (abstf2_v9): Only use when no hard quad.
25791 (absdf2_v9): Fix if target is not the same as source.
25792 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25793 Add correct output constraints.
25795 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25797 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25798 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25800 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25802 * mips.h (mips_output_conditional_branch): New function.
25803 (mips_adjust_insn_length): Likewise.
25804 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25805 (ADJUST_INSN_LENGTH): Likewise.
25806 * mips.c (print_operand): Add `F' and `W' for floating-point
25807 comparison opcodes.
25808 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25810 (mips_adjust_insn_length): New function.
25811 (mips_output_conditional_branch): New function.
25812 * mips.md (length): Adjust attribute definition to handle
25813 conditional branches. Change lengths to bytes, rather than
25814 instructions throughout. Remove length attribute from
25815 instructions whose length is four bytes, and rely on the default
25817 (dslot): Fix typo in comment.
25818 Reword conditional branch patterns to use
25819 mips_output_conditional_branch.
25821 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25823 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25824 (LIB_SPEC): Likewise.
25825 Link with -lprof1_r for -g/-pg.
25827 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25829 * loop.c (check_dbra_loop): Fix change of Jan 19.
25831 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25833 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25834 (STARTFILE_SPEC): Define, override the svr4.h version.
25835 (ENDFILE_SPEC): Likewise.
25837 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25839 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25840 * fixinc/fixincl.x: Regenerated.
25841 * fixinc/inclhack.sh: Regenerated.
25843 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25845 * sh.c (barrier_align): Don't return early for normal branch/barrier
25846 when optimizing for SH2.
25848 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25850 * i386/udk.h (LINK_SPEC): Correct linker search path for
25853 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25855 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25856 (braf_label_ref_operand): Delete.
25857 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25858 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25859 label_ref, and has no predicate.
25860 The patten has a predicate to guard against invalid substitutions.
25861 (dummy_jump): Delete.
25862 (casesi): Update use of casesi_jump_2.
25864 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25866 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25867 *fixinc/fixincl.x: regenerate
25868 *fixinc/inclhack.sh: regenerate
25870 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25872 * dwarf2out.c (add_incomplete_type): New fn.
25873 (gen_struct_or_union_type_die): Call it.
25874 (retry_incomplete_types): New fn.
25875 (dwarf2out_finish): Call it.
25877 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25879 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25880 current block starts with a CODE_LABEL and ends with a CALL and
25881 we can not find all the argument setup instructions for the CALL.
25883 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25885 Revert this change:
25886 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25887 something is a candidate for optimize_bit_field_compare.
25889 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25891 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25893 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25895 * alpha.c (override_options): Thinko in last patch.
25897 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25898 (LIB_SPEC): Recognize -pthread.
25900 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25902 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25903 definition in config/arm/coff.h
25904 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25906 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25908 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25909 fixes that need "file=xxx\n" prepended before invocation
25910 (start_fixer - new): starting the fixer process is complex enough
25911 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25912 (process): uses the new routine; omit usage of putenv()
25913 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25914 * fixinc/fixincl.x: regenerate
25916 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25918 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25919 and version #s (1.1 -> 2.96) as needed.
25920 * README.g77: Kill way out of date file in the toplevel directory.
25922 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25924 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25925 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25926 * configure: Rebuilt.
25927 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25928 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25929 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25930 (SWITCH_TAKES_ARG): Likewise.
25931 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25932 * config/t-freebsd: Moved from config/i386/ so it can used for all
25935 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25937 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25939 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25941 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25942 * configure: Rebuilt.
25944 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25946 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25947 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25948 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25949 (rs6000_output_load_toc_table): Same.
25950 (output_prolog, output_mi_thunk): Same.
25951 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25952 (ASM_GLOBALIZE_LABEL): Use putc.
25954 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25956 * alpha.md (reload_*_help): New patterns and splitters.
25957 (reload_*): Use them.
25958 (mov[qh]i): Likewise.
25960 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25962 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25965 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25967 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25969 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25971 * flow.c (mark_regs_live_at_end, insn_dead_p,
25972 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25973 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25974 hasn't run or the frame pointer is needed.
25975 * haifa-sched.c (attach_deaths): Likewise.
25976 * sched.c (attach_deaths): Likewise.
25978 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25980 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25981 calculate_can_reach_end returns nonzero.
25983 * configure.in (native gas tests): Search for an assembler in the
25984 same manner that the installed compiler will.
25985 * configure: Rebuilt.
25986 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25988 * alias.c (find_base_term): Improve handling of addresses
25989 constructed from binary operations.
25991 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25993 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25995 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25997 * function.h (cleanup_label, frame_offset): Declare.
25998 (tail_recursion_label, tail_recursion_reentry): Likewise.
25999 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26000 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26001 (tail_recursion_label, tail_recursion_reentry): Likewise.
26002 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26004 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26006 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26008 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26009 (MAX_OFILE_ALIGNMENT): Define.
26011 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26013 * fixincl.c: Replace local include scheme with #includes of
26014 gansidecl.h and system.h.
26015 * procopen.c: Likewise.
26016 * server.c: Likewise.
26018 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26020 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26021 (crti.o): Add build rule and dependencies.
26022 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26024 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26026 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26027 (LIB_LINUX_SPEC): Likewise.
26028 (LIB_LINUX_SPEC): Add support for -pthread
26029 (CPP_OS_LINUX_SPEC): Likewise.
26030 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26033 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26035 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26037 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26038 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26039 for IEEE math and CC_FCOMI.
26040 (put_jump_code): No IEEE if CC_FCOMI is set.
26042 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26044 * fold-const.c (fold_truthop): Make the field reference unsigned
26045 when converting a single bit compare.
26047 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26049 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26051 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26053 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26054 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26057 * reload.c (push_reload): Do not call remove_address_replacements
26058 when presented with identical optional reloads.
26060 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26062 * alpha.h (MASK_FIX, TARGET_FIX): New.
26063 (MASK_*): Reorganize constants.
26064 (CPP_AM_FIX_SPEC): New.
26065 (TARGET_SWITCHES): Add FIX.
26066 (EXTRA_SPECS): Likewise.
26067 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26068 (SECONDARY_MEMORY_NEEDED): Likewise.
26069 (REGISTER_MOVE_COST): Likewise.
26070 * alpha.c (override_options): Add FIX support. Always use
26071 ALPHA_TP_PROG for ev6.
26072 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26073 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26074 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26076 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26078 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26079 something is a candidate for optimize_bit_field_compare.
26081 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26083 * gcc.texi (Passes): Document branch-shortening.
26084 * invoke.texi (Debugging Options): Document the fact that `-dp'
26085 outputs length information for instructions.
26087 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26089 * flow.c: Revert previous delta.
26091 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26093 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26094 FRAME_POINTER_REGNUM.
26095 (mark_set_1): Ditto.
26096 (mark_used_regs): Ditto.
26098 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26100 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26101 (GOT_PCREL): New macro. Define to 1 if not already defined.
26102 * arm/elf.h (GOT_PCREL): Define to 0.
26103 * arm.c (arm_finalize_pic): Take into account the setting of
26106 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26108 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26109 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26111 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26112 store elimination candidates.
26114 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26116 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26119 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26121 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26122 Add use of x-aix41-gld.
26124 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26126 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26127 (ASM_OUTPUT_DESTRUCTOR): Define.
26129 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26131 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26132 last CODE_LABEL in a loop if we have previously passed a jump
26133 to the top of the loop.
26135 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26137 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26138 applying Philip's patch.
26140 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26142 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26145 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26147 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26149 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26151 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26152 Also remove a useless comment.
26154 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26156 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26158 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26160 * collect2.c (main): Only generate import or export file and add
26161 to link arguments if non-empty. Use xmalloc not alloca.
26162 (write_{export,import}_file): Delete.
26163 (write_aix_file): New function.
26164 (locatelib): Use xmalloc not malloc.
26165 (GCC_OK_SYMBOL): Do not check type if aix64.
26167 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26169 Based on patch by Scott Bambrough and Pat Beirne:
26170 * config/arm/arm.c (making_const_table): New variable.
26171 * config/arm/arm.h (making_const_table): Declare.
26172 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26174 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26175 Keep track of when we are building the constant table.
26177 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26179 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26182 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26184 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26187 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26189 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26192 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26194 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26196 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26198 * rs6000.c (output_mi_thunk): Enable full support again.
26200 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26202 * sh.h (BRANCH_COST): Define.
26204 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26206 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26208 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26210 * function.c (assign_stack_local): Align stack slot propertly.
26211 (assign_outer_stack_local): Likewise.
26213 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26215 * expr.h (lang_expand_constant): Declare.
26216 * toplev.c (lang_expand_constant): Define it.
26217 * varasm.c (output_constant): Use it.
26219 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26221 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26222 Change function definitions to K&R style.
26224 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26226 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26228 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26230 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26231 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26232 (several places): omit static initialization
26233 (process): use single fd, since only the read fd is used
26234 * fixinc/gnu-regex.c: define 'const' away, if not supported
26235 * fixinc/procopen.c(several places): omit static initialization
26236 * fixinc/server.c: define 'volitile' away, if not supported
26238 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26240 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26241 asm_fprintf and %L to generate the label name.
26242 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26243 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26245 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26247 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26248 insn for a conditional jump can not be found.
26250 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26252 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26253 on variables in specific sections other than .sbss and .sdata.
26255 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26257 * stmt.c (expand_return): Call start_cleanup_deferral and
26258 end_cleanup_deferral around conditional code.
26260 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26262 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26263 filename lists. Utilizes new "krstr" AutoGen function.
26264 * fixinc/fixincl.x: Rebuilt.
26266 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26268 * i386.c (output_float_compare): Avoid GNU-C extensions.
26270 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26272 * version.c: Bump to distinguish mainline tree from the
26275 See ChangeLog.1 for earlier changes.