1 2000-04-28 Richard Henderson <rth@cygnus.com>
3 * varasm.c (record_constant_1): Record the CODE_LABEL when
4 taking the address of a LABEL_REF.
6 2000-04-28 Richard Henderson <rth@cygnus.com>
7 Jan Hubicka <jh@suse.cz>
9 * calls.c (combine_pending_stack_adjustment_and_call): Return the
10 adjustment; don't do the stack adjust.
11 (expand_call): Call compute_argument_block_size right before
12 allocating the block; update comment; don't do alignment sanity
13 checking for sibling call; use args_size instead of
14 unadjusted_args_size before args_size is adjusted. Use
15 combine_pending_stack_adjustment_and_call to compute stack adjust
16 for must_preallocate case.
18 * expr.c (push_block): Remove shadow `temp' in inner scope.
20 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
22 * toplev.c (rest_of_compilation): Call
23 note_deferral_of_defined_inline_function even if the function
26 2000-04-28 Scott Bambrough <scottb@netwinder.org>
28 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
30 2000-04-28 Richard Henderson <rth@cygnus.com>
32 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
34 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * timevar.c (init_timevar): DeANSIfy function definition.
38 2000-04-27 Alex Samuel <samuel@codesourcery.com>
40 * Makefile.in (timevar.o): Depend on flags.h.
41 * timevar.c (unused_stack_instances): New variable.
42 (timevar_push): Take a timevar_stack_def from
43 unused_stack_instances if available.
44 (timevar_pop): Push the popped timevar_stack_def onto
45 unused_stack_instances.
46 (TIMEVAR_ENABLE): New macro.
47 (timevar_def): Make standalone a 1-bit field. Add field used.
48 (get_time): Rename parameter to now. Return after clearing it if
50 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
51 (timevar_pop): Likewise.
52 (timevar_stop): Likewise.
53 (timevar_push): Likewise. Mark the timing variable as used.
54 (timevar_start): Likewise.
55 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
56 timevars that were never used.
58 2000-04-27 Mark Mitchell <mark@codesourcery.com>
60 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
63 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
65 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
66 for call instruction with mode QImode.
68 2000-04-27 Alex Samuel <samuel@codesourcery.com>
70 * Makefile.in (OBJS): Add timevar.o.
71 (toplev.o): Depend on timevar.h.
72 (ggc-simple.o): Likewise.
73 (ggc-page.o): Likewise.
74 (timevar.o): New rule.
75 (timevar.h): New rule.
77 * timevar.h: New file.
78 * timevar.c: Likewise.
79 * timevar.def: Likewise.
81 * toplev.h (gc_time, parse_time, varconst_time): Remove.
82 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
84 (TIMEVAR): Remove macro.
85 (gc_time, parse_time, varconst_time, integration_time, jump_time,
86 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
87 flow_time, combine_time, regmove_time, sched_time,
88 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
89 sched2_time, dbr_sched_time, reorder_blocks_time,
90 rename_registers_time, shorten_branch_time, stack_reg_time,
91 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
93 (compile_file): Don't initialize time variables. Call
94 init_timevar and start TV_TOTAL timer. Call timevar_print instead
95 of many calls to print_time.
96 (rest_of_compilation): Add timing for reload_cse_regs.
97 (get_run_time): Removed to timevar.c.
98 (print_time): Likewise.
99 (get_run_time): Implement using TV_TOTAL time variable.
100 (print_time): Get total run time from get_run_time.
101 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
102 computing elapsed time explicitly.
103 * ggc-simple.c (ggc_collect): Likewise.
104 (gc_time): Remove declaration.
106 2000-04-27 Mark Mitchell <mark@codesourcery.com>
108 * calls.c (combine_pending_stack_adjustment_and_call): New function.
109 (expand_call): Use it.
111 2000-04-27 Jan Hubicka <jh@suse.cz>
113 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
116 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
118 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
121 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
123 * function.c (epilogue_done): Pass whole insn to record_insns.
125 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
127 * cse.c (CSE_ADDRESS_COST): Remove.
128 (find_best_addr): Add new parameter "MODE", use address_cost instead
131 (fold_rtx): Update call of find_best_addr.
132 * rtl.h (address_cost): Declare.
133 * loop.c (general_induction_var): Add new parameter "MODE", use
134 address_cost instead of ADDRESS_COST
135 (init_loop): Use address_cost instead of ADDRESS_COST.
136 (check_insn_for_givs): Update call of general_induction_var.
137 (find_mem_givs): Likewise.
138 (consec_sets_giv): Likewise.
139 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
140 * i386.c (ix86_address_cost): New.
141 * i386-protos.h (ix86_address_cost): Declare.
143 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
145 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
148 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
150 * expr.c (store_expr): Use clear_storage instead of direct memset
153 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
155 * config/mn10300/mn10300.c (mn10300_address_cost): Test
156 ASHIFT, AND and LABEL_REF.
158 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
160 * invoke.texi (-foptimize-sibling-calls): Fix.
162 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
164 * loop.c (load_mems) Don't use hard registers for the hoisting.
166 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
167 calculation; rename const_equiv array in the preconditioning code
168 from loop_unroll to loop_unroll_precondition
170 2000-04-27 Richard Henderson <rth@cygnus.com>
172 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
174 (propagate_one_insn): Clear it. Don't update reg_live here.
175 (init_propagate_block_info): Update for pbi member changes.
176 (free_propagate_block_info): Likewise.
177 (mark_set_1): Know that zero_extract, sign_extract, and
178 strict_low_part don't kill their argument. Alter hard subregs.
179 Update new_set for non-CLOBBER sets. Update reg_live.
180 (find_auto_inc): Update reg_live, not new_dead.
181 (mark_used_reg): Update reg_live, not new_live. Examine new_set
182 to determine if the reg in question was set this insn. Only update
183 reg info with PROP_REG_INFO.
185 2000-04-26 Richard Henderson <rth@cygnus.com>
187 * flow.c (allocate_reg_life_data): Set max_regno here ...
188 (life_analysis): ... not here.
190 * flow.c (calculate_global_regs_live): Force stack pointer
193 2000-04-26 Richard Henderson <rth@cygnus.com>
195 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
196 commit change group changes.
197 (invert_exp_1): Similarly.
198 (redirect_exp, invert_exp): Use them.
199 (redirect_jump_1): New.
200 (invert_jump_1): New.
201 (jump_optimize_1): Remove code subsumed by condexec.c.
202 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
204 2000-04-26 Richard Henderson <rth@cygnus.com>
206 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
208 * genconfig.c (main): Set all HAVE_foo to 1.
210 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
212 2000-04-26 Alex Samuel <samuel@codesourcery.com>
214 * invoke.texi: Document -fssa flag.
216 2000-04-26 Richard Henderson <rth@cygnus.com>
218 * flow.c (count_reg_sets_1): Remove.
219 (count_reg_sets, count_reg_references): Remove.
220 (recompute_reg_usage): Implement with update_life_info.
221 Reallocate life data.
223 2000-04-26 Richard Henderson <rth@cygnus.com>
225 * flow.c (update_life_info): Consider blocks null to mean the
227 (calculate_global_regs_live): Likewise.
228 (life_analysis): Do that instead of collecting all_blocks.
230 2000-04-26 Richard Henderson <rth@cygnus.com>
232 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
233 a still-valid conditional jump.
235 2000-04-26 Richard Henderson <rth@cygnus.com>
237 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
239 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
240 * flow.c (calculate_loop_depth): Remove.
241 * output.h (calculate_loop_depth): Don't declare.
242 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
243 inline; run estimate_probability at the same time.
245 2000-04-26 Neil Booth <NeilB@earthling.net>
247 * cpplib.h: "~=" is not a single pp-token.
248 * cpplex.c: Correct commentary.
250 2000-04-26 Richard Henderson <rth@cygnus.com>
252 * flow.c (mark_set_1): New arguments code and flags; update all
253 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
254 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
255 loop_depth when optimizing for size. Do new_dead update after
256 emitting REG_UNUSED notes. Merge mark_set_reg code.
257 (mark_set_reg): Remove.
258 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
259 arrange to not emit REG_UNUSED notes.
261 2000-04-26 Richard Henderson <rth@cygnus.com>
263 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
264 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
266 2000-04-26 Richard Henderson <rth@cygnus.com>
268 * flow.c (propagate_one_insn): Break out from propagate_block.
269 (init_propagate_block_info): Likewise.
270 (free_propagate_block_info): Likewise.
271 (propagate_block): Use them. Export.
272 * basic-block.h: Declare them all.
274 2000-04-26 Richard Henderson <rth@cygnus.com>
276 * basic-block.h (life_analysis): Declare here ...
277 * output.h: ... not here.
278 * flow.c (life_analysis): Remove nregs parameter; replace
279 remove_dead_code with flags. Remove ssa dead code check.
280 Only init alias analysis if we'll use it.
281 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
282 * ssa.c (convert_to_ssa): Likewise.
283 (convert_from_ssa): Likewise.
284 * toplev.c (rest_of_compilation): Likewise.
286 2000-04-26 Richard Henderson <rth@cygnus.com>
288 * flow.c (flow_delete_block): Rename from delete_block. Export.
289 * basic-block.h (flow_delete_block): Declare.
291 2000-04-26 David S. Miller <davem@redhat.com>
293 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
294 taking a PATTERN of it.
296 2000-04-26 <NeilB@earthling.net>
298 * cpplex.c (spell_other, spell_char): Remove.
300 (token_spelling, trigraph_map): Use unsigned chars.
301 (_cpp_lex_line): Tidy up the switch statement.
302 * cpplib.h: Implement spell_char with spell_string.
305 2000-04-26 <RodneyBrown@pmsc.com>
307 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
308 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
310 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
313 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
314 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
315 dwarf2out_return_save, dwarf2out_return_reg,
316 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
317 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
318 gen_compile_unit_die, dwarf2out_init): Constify a char*.
320 * dwarf2out.h (dwarf2out_init): Likewise.
322 * dwarfout.c (filename_entry, primary_filename, last_filename,
323 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
325 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
326 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
327 dwarf2out_return_reg): Likewise.
329 2000-04-26 Andreas Jaeger <aj@suse.de>
331 * extend.texi (Function Attributes): Fix description of pure
334 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
336 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
337 before calling rest_of_compilation.
339 2000-04-26 Andreas Jaeger <aj@suse.de>
341 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
344 2000-04-25 Richard Henderson <rth@cygnus.com>
346 * cse.c (cse_insn): Emit barrier after unconditional jump.
348 * calls.c (expand_call): Disable tail call generation once
349 rtx_equal_function_value_matters is false.
351 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
354 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
356 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
358 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
360 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
361 is the primary DIE for a member function.
362 (gen_decl_die): Call set_decl_origin_self here.
363 * dwarfout.c (output_decl): And here.
364 * integrate.c (output_inline_function): Not here.
365 Don't clear DECL_INLINE until after calling rest_of_compilation.
366 (set_decl_origin_self): No longer static.
367 * tree.h: Add prototype.
368 * toplev.c (note_deferral_of_defined_inline_function): Only write
369 out abstract instance for actual inlines.
371 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
373 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
374 EXTENDED_REGS only if TARGET_AM33.
375 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
376 SP_REGS to register allocation and reloading unless absolutely
378 (movsi3): Remove special-case of adding non-constants to SP.
380 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
383 INCLUDES to search and does not provide any of its own. Also it
384 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
385 parameters. Also it does not call AC_DEFINE.
386 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
387 AC_DEFINE and provides for automatic entries for autoheader.
388 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
390 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
391 so we can pass -I flags and include gansidecl.h/system.h in this
394 * acconfig.h: Delete all NEED_DECLARATION_* entries.
396 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
398 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
399 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
400 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
402 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
403 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
404 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
405 for these macros. Clean up spacing and linewraps.
407 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
409 * calls.c (expand_call): Use get_callee_fndecl.
411 * print-tree.c (print_node): Print the chain of an _EXPR.
413 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
414 Jim Wilson <wilson@cygnus.com>
415 Andrew Haley <aph@cygnus.com>
417 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
418 and gp save/restore problems.
419 * config/ia64/crtend.asm: Add IA-64 unwind support.
420 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
421 in fr_pad_size calculation.
422 (save_restore_insns): Move PR save area. Correct uses of
424 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
425 (ia64_expand_epilogue): Add eh_epilogue support.
426 (ia64_function_prologue): Emit .prologue directive.
427 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
428 (ia64_override_options): Set init_machine_status and
430 (rtx_needs_barrier): Handle bsp reads and writes.
431 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
432 New static variables.
433 (process_set, process_for_unwind_directive): New functions.
434 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
435 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
436 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
438 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
439 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
440 (struct machine_function): Define.
441 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
443 2000-04-25 Bruce Korb <bkorb@gnu.org>
445 * fixinc/Makefile.in: make the removal of old programs more
447 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
448 install-bin and install-sh
450 2000-04-25 Nick Clifton <nickc@cygnus.com>
452 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
453 defined, define to return zero.
454 (function_cannot_inline_p): If a function has any target
455 specific attributes, then use the macro
456 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
457 whether it can be inlined. If it cannot, issue a suitable
460 * tm.texi: Add a new node 'Inlining' to document the new macro
461 FUNCTION_ATTRIBUTE_INLINABLE_P.
463 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
465 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
468 2000-04-25 Neil Booth <NeilB@earthling.net>
470 Restore previous patch, plus the following fixes:
472 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
473 flags, not CPP_OPEN_PAREN.
474 * cpplex.c (expand_token_space, init_token_list,
475 cpp_free_token_list): Put the dummy token at list->tokens[-1].
476 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
478 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
480 * config/i386/freebsd.h (INT_ASM_OP): Define.
482 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
484 * loop.c (strength_reduce): Fix typo in the last checkin.
486 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
488 * stor-layout.c (finalize_record_size): Simplify to use existing
490 (compute_record_mode): No longer static.
491 * tree.h (compute_record_mode): New declaration.
493 2000-04-25 Neil Booth <NeilB@earthling.net>
495 * Revert my patch below until cause of build failures
498 2000-04-25 Richard Henderson <rth@cygnus.com>
500 * combine.c (combine_instructions): Add missing argument
503 * toplev.c (rest_of_compilation): Delay sibcall optimization
504 until after emit_eh_context.
506 2000-04-24 Nick Clifton <nickc@redhat.com>
508 * combine.c (combine_instructions): Do not try to combine a
509 sequence of insns when the second insn has been replaced by a
512 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
514 * gcc.c (load_specs): New static function.
515 (read_specs): Use it.
517 * gcc.c (lookup_compiler): Make multiple passes for case
518 insensitive filesystems.
520 2000-04-24 Neil Booth <NeilB@earthling.net>
522 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
523 * cpphash.h (_cpp_check_directive): new.
524 * cpplex.c (handle_newline, cpp_free_token_list,
525 init_trigraph_map, trigraph_ok, trigraph_replace,
526 backslash_start, skip_block_comment, skip_line_comment,
527 skip_whitespace, parse_name, parse_number, parse_string,
528 copy_comment, _cpp_lex_line, spell_char, spell_string,
529 spell_comment, spell_name, spell_other, _cpp_lex_file,
530 _cpp_output_list): new.
531 (expand_name_space): take length argument.
532 (init_token_list): add comment list initialisation.
533 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
534 instead of HSPACE_BEFORE.
536 * cpplib.c (_cpp_check_directive): new
537 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
538 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
539 (HSPACE_BEFORE): delete.
540 (TTYPE_TABLE): rearrange.
541 (struct cpp_toklist): update.
543 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
545 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
546 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
547 argument form of AC_DEFINE.
549 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
550 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
551 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
552 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
553 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
555 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
557 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
559 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
560 deduced.h): Use -isystem, not -I, for including system headers.
562 2000-04-24 Nick Clifton <nickc@cygnus.com>
564 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
565 the source register is the frame pointer or arg pointer.
566 (addsi3_small_int): Disallow if source register is the frame
567 pointer or arg pointer.
569 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
572 call to AC_MSG_RESULT.
574 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
576 * invoke.texi: Correct grammatical errors, document
577 -fno-gnu-keywords as identical to -fno-asm for C++.
579 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
581 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
582 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
583 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
584 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
585 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
587 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
588 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
589 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
590 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
593 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
595 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
596 (pop_alignment): Likewise.
597 (handle_pragma_token): Likewise.
599 2000-04-24 Robert Lipe <robertlipe@usa.net>
601 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
603 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
605 * combine.c (try_combine): Update reg_nonzero_bits of
606 newi2pat before newpat.
608 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
610 * loop.c (strength_reduce): Simplify test to INSN_P.
611 (record_giv): Attempt to simplify the add value, use CONSTANT_P
612 expressions instead of CONST_INT.
613 (express_from_1): Likewise.
615 2000-04-24 Mark Mitchell <mark@codesourcery.com>
617 * regs.h (reg_n_max): Don't declare.
618 * flow.c (reg_n_max): Don't define.
619 * regclass.c (renumber): Don't initialize to zero.
620 (regno_allocated): Likewise.
622 (allocate_reg_info): Don't initialize unnecessarily.
624 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
626 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
627 and blockage_p in the newly allocated attribute.
629 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
631 * config/mn10300/mn10300.md (addsi): `inc4' on address
632 registers does not modify cc, but `inc' on an extended
635 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
637 * reload.c (find_equiv_reg): Checks all valueno regs
638 as a reload_reg_p regs.
640 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
642 * cpphash.c (collect_objlike_expansion): Add sanity check.
643 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
644 the buffer is the empty string, return. Mark __DATE__ and
645 __TIME__ as XCONST nodes, not MCONST.
646 (_cpp_macroexpand): Avoid pushing an empty buffer.
647 (funlike_macroexpand): Don't pop token_buffer here.
649 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
651 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
652 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
653 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
654 (REGNO_OK_FOR_BASE_P): Define in terms of them.
655 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
656 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
657 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
659 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
661 * loop.c (simplify_giv_expr): Be more agressive on simplifying
664 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
666 * cpphash.h (struct definition): Move file, line, col members...
667 (struct hashnode): ... here. Also add 'disabled' flag.
668 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
669 T_IDENTITY. Remove T_DISABLED.
672 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
673 (collect_expansion): Split into collect_objlike_expansion and
674 collect_funlike_expansion.
675 (_cpp_macroexpand): Split out scan_arguments, stringify, and
677 (_cpp_compare_defs): Rename compare_defs, make static.
678 (_cpp_make_hashnode): Initialize hp->disabled.
679 (macro_cleanup): Adjust for new token types. Clear
681 (_cpp_create_definition): Move code here to determine what
682 sort of macro it is, and code to check for redefinitions, from
683 do_define. Implement a few simple cases without creating a
685 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
686 Handle the simple cases.
687 (push_macro_expansion): Set buf->has_escapes and hp->disabled
690 * cppinit.c (builtin_array): Change MCONST to XCONST
692 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
693 fix check for disabled and function-like macros.
694 * cpplib.c (do_define): Move most logic to
695 _cpp_create_definition.
696 (do_undef): Handle new special token types.
698 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
700 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
701 of CONSTANT_P for mult_val; always use validate_change to update insn.
703 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
705 * cpphash.c (trad_stringify, add_pat): New functions.
706 (collect_expansion): Restore support for -traditional syntax.
707 Use trad_stringify and add_pat.
708 (_cpp_macroexpand): Restore support for -traditional semantics.
709 * cpplex.c (_cpp_scan_line): Don't change space_before if we
711 (_cpp_lex_token): Provide COMMENT tokens to caller if
712 traditional and parsing_define_directive.
713 (skip_comment): Warn about // comments if -Wtraditional.
714 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
716 (do_undef): Don't warn about undefining EMPTY nodes.
718 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
720 * loop.c (strength_reduce): Fix biv removal code.
722 2000-04-22 Richard Henderson <rth@cygnus.com>
724 * predict.c (estimate_probability): Examine both sides of
725 a branch for no exits. Use 90% not 50% for predict taken.
726 Reorg for one copy of note generation code.
728 2000-04-22 Richard Henderson <rth@cygnus.com>
730 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
732 2000-04-22 Richard Henderson <rth@cygnus.com>
734 * diagnostic.c (init_output_buffer): Don't initialize format_args.
735 (output_clear): Likewise.
736 (output_printf): Use va_copy.
737 (vline_wrapper_message_with_location): Likewise.
738 (v_message_with_decl): Likewise.
739 (line_wrapper_printf): VA_START infor buffer.format_args directly.
740 * system.h (va_copy): Provide default implementation.
742 2000-04-22 Richard Henderson <rth@cygnus.com>
744 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
745 the collected condition is not a constant.
747 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
749 * diagnostic.h: New file.
751 * Makefile.in (diagnostic.o): Depends on diagnostic.h
753 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
754 various function prototypes.
755 (diagnostic.h): #include.
756 (struct output_buffer): Move into diagnostic.h.
757 (get_output_prefix): Rename to output_get_prefix. Export.
758 (init_output_buffer): Export. Break out. Ajust intialization.
759 (output_space_left, output_append): Export.
760 (output_newline): Rename to output_add_newline. Export.
761 (output_clear): Nullify additional output_buffer fields.
762 (output_puts): Rename to output_add_string. Export.
763 (dump_output): Rename to output_flush_on. Export.
764 (build_location_prefix): Constify return-type.
765 (emit_output_prefix): Rename to output_emit_prefix. Export.
766 (set_real_maximum_length): New function.
767 (output_set_maximum_length): Ditto
768 (output_clear): Ditto.
769 (output_add_character): Ditto.
770 (output_add_integer): Ditto.
771 (output_add_space): Ditto.
772 (output_format): Ditto.
773 (output_printf): Adjust buffer initialization.
774 (vline_wrapper_message_with_location): Ditto.
775 (v_message_with_decl): Ditto. Adjust call to output_puts
776 and get_output_prefix.
777 (default_print_error_function): Adjust buffer intialization.
779 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
781 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
784 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
786 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
789 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
791 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
792 accurate data about SP moves.
794 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
796 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
797 aliases to AM33 registers.
799 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
801 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
802 to all EXTENDED bitmaps.
804 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
806 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
807 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
808 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
810 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
812 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
813 the operand is not constant.
815 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
817 * reload.c (find_equiv_reg): Checks all valueno and regno regs
818 as a call-clobbered regs.
820 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
822 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
824 * rtl.def: Update comment.
825 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
826 * integrate.c (expand_inline_function): Likewise.
827 * profile.c (branch_prob): Likewise.
828 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
829 * print-rtl.c (print_rtx): Likewise.
830 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
831 (reemit_notes): Likewise; also use enum insn_note.
833 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
834 (place_field): Properly compute know and actual alignment.
836 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
839 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
842 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
844 * cpphash.c (struct arg, struct arglist): Const-ify strings.
845 (warn_trad_stringify, duplicate_arg_p): New helper functions.
846 (collect_expansion): Rewrite to scan over a token list.
847 Remove -traditional support.
848 (collect_formal_parameters): Rename to collect_params; rewrite
849 to scan over a token list.
850 (_cpp_create_definition): Adjust to scan a token list.
851 (_cpp_macroexpand): Remove -traditional support.
852 (_cpp_compare_defs): Whitespace is now canonicalized.
853 (comp_def_part): Delete function.
855 * cpphash.h: Update prototypes.
856 * cpplex.c (init_token_list): Don't set lineno if there is no
858 (pedantic_whitespace): New function.
859 (_cpp_scan_line): Mark tokens that had hspace before. Don't
860 consume a newline. Use pedantic_whitespace.
861 (_cpp_lex_token): Remove support for -traditional macros.
862 (_cpp_get_define_token): Delete.
863 (_cpp_get_directive_token): Do the real work here. Use
865 (_cpp_init_input_buffer): Initialize pfile->directbuf.
867 * cpplib.c (get_macro_name): Delete.
868 (do_define): Read the entire line into pfile->directbuf, then
869 feed the token list to _cpp_create_definition.
870 * cpplib.h (HSPACE_BEFORE): new define.
871 (struct cpp_reader): Add a toklist member, "directbuf".
873 * predict.c (estimate_probability): New heuristic: if a jump
874 branches around a block with no successors, predict it taken.
875 Disentangle control flow.
877 2000-04-20 Richard Henderson <rth@cygnus.com>
879 * loop.c (emit_iv_add_mult): Revert last change.
881 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
883 * cpplib.h (enum cpp_ttype): Add token types for all
884 punctuators. Distinguish pp-numbers from valid C numbers.
885 Give some tokens better names. Initialize from macro.
886 (struct cpp_name, cpp_token, cpp_toklist): New data
889 * cpplex.c (bump_column, expand_name_space,
890 expand_token_space, init_token_list, cpp_output_list,
891 _cpp_scan_line): New functions.
892 (output_line_command): Add third argument, new line number.
893 * cpphash.h: Update prototypes.
894 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
897 2000-04-20 Richard Henderson <rth@cygnus.com>
899 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
901 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
903 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
906 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
908 * loop.c (emit_iv_add_mult): Simplify it's input and emit
909 REG_EQUAL note explaining the calculated value.
911 * calls.c (expand_call): Avoid unnecesary precalculation
912 and outgoing parameters space guarding for sibling calls.
913 (store_one_arg): Likewise.
915 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
917 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
918 (rest_of_compilation): Write sibling dump file and account
919 for time as jump time.
920 * invoke.texi: Update documentation on dump flags.
922 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
924 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
926 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
928 * cpphash.c (special_symbol): Represent an empty macro with
929 "\r \r " not just "\r ".
930 (_cpp_macroexpand): Correct condition for the foo ( ) special
932 (unsafe_chars): Handle EOF as second argument.
933 (push_macro_expansion): Simplify test for removing escape at
934 end. Do not trim both escapes if there is no text in between.
936 2000-04-19 Jim Blandy <jimb@redhat.com>
938 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
939 of PTR_SIZE, when appropriate.
941 2000-04-19 Mark Mitchell <mark@codesourcery.com>
943 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
944 (USE_ENUM_BITFIELDS): Fix typo.
946 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
948 * stor-layout.c (place_field): Set rli->offset_align properly.
950 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
952 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
953 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
954 PARM_BOUNDARY): Remove unnecessary casts.
956 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
958 * calls.c (precompute_arguments): Remove must_preallocate and
960 (expand_call): Update call of precompute_arguments.
962 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
963 check_insn_for_givs): Break out from ...
964 (strength_reduce) ... here; use for_every_insn_in_loop to call
966 * loop.h (for_every_insn_in_loop): Declare.
967 (loop_insn_callback): New type.
969 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
971 * cpplib.c (do_pragma_poison): Strings in the token buffer are
974 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
976 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
979 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
981 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
983 * configure.in: Delete --disable-cpplib option and all
984 references to cpp_main.
985 * configure: Regenerate.
986 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
987 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
988 cccp.o, cccp, or cppmain. Link cppmain.o straight to
989 cpp$(exeext). Add --no-headers to makeinfo command line when
990 generating INSTALL. Install and uninstall cpp.1 manpage, not
992 * install.texi: Delete all references to cexp.y/cexp.c.
993 Delete ancient instructions for compiling GCC on 3b1.
994 * INSTALL: Regenerate.
996 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
997 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
998 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1000 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1001 which is no longer tested anywhere.
1003 * cppinit.c (handle_option): Don't run error message through
1006 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1008 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1009 * cpperror.c (hashtab.h): Now include.
1010 * cppexp.c (hashtab.h): Likewise.
1011 * cpplex.c (hashtab.h): Likewise.
1012 * cppfiles.c (hashtab.h): Likewise.
1013 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1014 to htab_find_slot_with_hash.
1015 * cpphash.c (hashtab.h): Now include.
1016 (_cpp_lookup_slot): INSERT is now enum insert_option.
1017 * cpphash.h (_cpp_lookup_slot): Likewise.
1018 * cppinit.c (hashtab.h): Include earlier.
1019 (initialize_builtins): Pass enum to htab_find_slot.
1020 * cpplib.c (hashtab.h): Now include.
1021 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1022 (do_pragma_poison, do_assert): Likewise.
1023 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1024 htab_find_slot_with_hash.
1025 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1026 * tree.c (type_hash_add): Likewise.
1027 (build1): Minor cleanup.
1029 * ggc-common.c: Add missing blanks.
1030 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1031 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1033 * stmt.c (mark_case_node): New function.
1034 (mark_case_nesting): Call it.
1036 * expmed.c (emit_store_flag): If comparing two-word integer
1037 with zero, can optimize NE, EQ, GE, and LT.
1039 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1040 * conflict.c: Minor cleanups.
1041 * optabs.c: Add blank line
1042 * simplify-rtx.c: Minor cleanups.
1044 2000-04-18 Stan Cox <scox@cygnus.com>
1046 * gengenrtl.c (genlegend): Fix misspelling.
1048 2000-04-18 Robert Lipe <robertlipe@usa.net>
1050 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1051 bitfields of the host compiler are not signed quantities.
1052 * config.in: Regenerate.
1053 * configure: Regenerate.
1054 * system.h (USE_ENUM_BITFIELDS): Added.
1055 (ENUM_BITFIELDS): Added.
1056 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1057 (SHORT_ENUM_BUG): Deleted.
1058 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1060 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1061 (CODE_FIELD_BUG): Likewise.
1062 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1064 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1066 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1068 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1071 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1073 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1074 * cpplib.c (do_include, do_import, do_include_next,
1075 read_line_number, detect_if_not_defined): Likewise.
1076 * cpphash.c (collect_expansion): Likewise.
1077 (special_symbol, _cpp_macroexpand): Check return from
1079 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1080 macros. Delete all uses.
1082 * gcc.dg/cpp-mi.c: Add two more test cases.
1083 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1085 2000-04-17 Richard Henderson <rth@cygnus.com>
1087 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1088 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1090 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1092 * function.c (expand_function_start): Use hard_function_value to
1093 compute the RTL to use for DECL_RESULT.
1095 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1097 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1098 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1099 x86_memory_mismatch_stall): New global variables.
1100 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1101 alloved; fix load penalties for Athlon.
1102 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1103 x86_memory_mismatch_stall): Declare.
1104 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1105 TARGET_MEMORY_MISMATCH_STALL): New.
1106 * i386.md (athlon scheduling parameters): Fix latencies according to
1107 Athlon Optimization Manual.
1108 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1110 (fsqrt instruction patterns): Set athlon_decode to direct.
1111 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1112 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1113 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1114 and TARGET_PARTIAL_REGISTER_STALL machines.
1115 (pushdf_nointeger): New pattern.
1116 (pushdf_integer): Rename from pushdf.
1117 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1118 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1120 2000-04-17 Richard Henderson <rth@cygnus.com>
1122 * loop.c (canonicalize_condition): Add WANT_REG argument.
1123 Stop the search if we match it.
1124 * expr.h (canonicalize_condition): Update decl.
1125 * predict.c (expected_value_to_br_prob): Use it. Track last
1126 expected value note.
1127 (find_expected_value): Remove.
1129 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1131 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1133 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1134 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1136 * configure.in: Call AC_FUNC_MMAP_FILE.
1137 * configure: Regenerate.
1138 * config.in: Regenerate.
1140 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1141 * fixinc/fixincl.c: Likewise.
1143 2000-04-17 Richard Henderson <rth@cygnus.com>
1145 * builtins.c (expand_builtin_expect): New.
1146 (expand_builtin): Call it.
1147 * builtins.def (BUILT_IN_EXPECT): New.
1148 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1149 * extend.texi: Document it.
1151 * predict.c (expected_value_to_br_prob): New.
1152 (find_expected_value): New.
1153 * basic-block.h (expected_value_to_br_prob): Declare.
1154 * toplev.c (rest_of_compilation): Invoke it.
1156 * rtl.h (NOTE_EXPECTED_VALUE): New.
1157 (NOTE_INSN_EXPECTED_VALUE): New.
1158 * rtl.c (note_insn_name): Update.
1159 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1160 cases; handle NOTE_INSN_EXPECTED_VALUE.
1162 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1164 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1165 leaf sibcall delay slot if flag_pic.
1166 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1168 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1172 * fixproto: If fix-header fails, exit with an error.
1174 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1176 * cse.c (struct check_depdendence_data): New.
1177 (check_dependence): New function.
1178 (invalidate): Use check_depdenence.
1180 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1182 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1183 UNITS_PER_WORD is unsigned.
1185 * tree.h (struct tree_common): Remove misleading comment.
1187 2000-04-16 Dave Pitts <dpitts@cozx.com>
1189 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1190 message in quotes. Otherwise, IBM's make program treats the '#' as the
1191 start of a comment and ignores the remainder of the line.
1193 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1195 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1196 * cexp.y (initialize_random_junk): Likewise.
1197 * cppfiles.c (find_include_file): Cast alloca return value.
1198 * cppinit.c (initialize_standard_includes): Likewise.
1199 * cpplib.c (cpp_define, cpp_undef): Likewise.
1200 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1201 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1202 * fold-const.c (CHARMASK): New.
1203 (real_hex_to_f): Use it.
1204 * real.c (CHARMASK): New.
1205 (etoasc, asctoeg): Use it.
1206 (asctoeg): EBCDIC lower case characters preceed upper case.
1208 * i370.c (mvs_add_label): Change spacing for coding conventions.
1209 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1210 outputing case vectors.
1211 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1212 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1213 since vector in in the data CSECT.
1214 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1215 * i370.md (Many patterns): Put the length in the XL directives.
1216 (movdi): Put back STM and MVC in definition.
1217 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1218 pattern using the TCA.
1219 * oe.h (CPP_SPEC): Added to allow trigraphs.
1220 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1221 not support the "long long" type.
1223 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1225 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1227 (mips_reg_mode_ok_for_base_p): Likewise.
1228 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1229 (REG_OK_FOR_INDEX_P): Define unconditionally.
1230 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1231 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1232 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1233 that GET_MODE_SIZE is unsigned.
1234 (mips_reg_mode_ok_for_base_p): Define.
1235 (mips_legitimate_address_p): Likewise. Adjust now
1236 that GET_MODE_SIZE is unsigned.
1237 (block_move_loop): Make the number of bytes unsigned.
1238 (expand_block_move): Likewise.
1239 (function_arg): Make the loop counter unsigned to match the
1242 2000-04-16 Richard Henderson <rth@cygnus.com>
1244 * rtl.h (enum insn_note): New enumeration. Subsume
1245 NOTE_INSN_DELETED and friends.
1246 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1247 * rtl.c (note_insn_name): Tweak string order.
1249 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1251 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1254 * cpplex.c (output_line_command): Remove debugging prints.
1255 (cpp_output_tokens): Don't write out a zero-length buffer or
1256 try to see if it has a newline in it.
1257 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1258 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1259 the end of the loop. Use memmove. Don't read past the end of
1260 the buffer. Remove trailing newlines from error messages.
1262 2004-04-16 Neil Booth <NeilB@earthling.net>
1264 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1265 * cpplib.c: Add new syntax flags to directive table, and
1268 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1270 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1273 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1275 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1276 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1278 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1280 * Makefile.in (ggc-page.o): Now includes toplev.h.
1281 * ggc-page.c (toplev.h): Now included.
1282 (gc_time): Remove declaration.
1283 (ggc_collect): TIME now long.
1284 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1286 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1288 * toplev.c: Make *_time variable long to reduce chance of overflow.
1289 (TIMEVAR): Likewise for `otime'.
1290 (print_time): Arg is now long; compute percentage in FP and round.
1291 * toplev.h (print_time): Arg is long.
1293 * tree.c: Minor whitespace changes.
1295 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1296 * configure: Rebuilt.
1297 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1298 (__fixunsxfDI): Renamed from __fixunsxfdi.
1299 (__fixunsdfDI): Renamed from __fixunsdfdi.
1300 (__fixunssfDI): Renamed from __fixunssfdi.
1301 (__floatdisf): Use proper type in REP_BIT macro.
1302 (__fixunsxfSI): Renamed from __fixunsxfsi.
1303 (__fixunsdfSI): Renamed from __fixunsdfsi.
1304 (__fixunssfSI): Renamed from __fixunssfsi.
1305 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1306 Change location of macros and upper-case some names as above.
1307 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1308 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1310 * varasm.c (assemble_variable): Add cast to remove warning.
1311 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1313 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1314 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1315 region number to -1.
1317 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1319 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1320 call unshare_all_rtl.
1322 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1324 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1326 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1327 Use .s1 not .s0 for all FP instructions.
1329 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1331 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1333 (safe_fwrite, output_line_command): New static functions.
1334 (cpp_expand_to_buffer): Now private to cpplib.
1335 (cpp_scan_buffer): Take a printer.
1337 * cpphash.h: Update prototypes.
1338 * cpplib.h: Update prototypes.
1340 (cpp_buffer): Remove last_nominal_fname.
1341 (cpp_reader): Remove lineno.
1343 * cppmain.c: Use a cpp_printer.
1344 * fix-header.c: No need to inhibit line commands. Call
1345 cpp_start_read with no printer.
1347 * cpperror.c (cpp_notice_from_errno): Provide default name.
1348 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1349 (find_include_file, cpp_read_file): Use make_IHASH.
1350 (file_cleanup): Set control_macro and clear
1351 input_stack_listing_current here.
1352 (_cpp_execute_include): Don't output entering-file marker.
1353 * cpphash.c (special_symbol): Look for the line number in the
1354 buffer, not the reader.
1355 (_cpp_macroexpand): No need to disable line commands.
1356 (_cpp_dump_definition): No need to generate line commands.
1357 (dump_hash_helper): Remove excess newline from output.
1358 * cppinit.c (dump_special_to_buffer): No need to generate line
1360 (cpp_printer_init): New.
1361 (cpp_start_read): Take a printer, and start it up if it's not
1362 NULL. No need to generate line commands.
1363 (cpp_finish): Expect no buffers stacked at all. Take a
1364 printer argument, and flush the output buffer if it's not
1366 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1367 Don't put two hashes at the beginning of an assertion.
1368 (cpp_get_token): Don't increment pfile->lineno or emit line
1369 commands here. Return EOF if there's no buffer when we get
1371 * cpplib.c (do_define, skip_if_group):
1372 No need to disable line commands.
1373 (_cpp_output_line_command): Delete function.
1374 (do_line): Don't emit line commands here, but set things up so
1375 they will be emitted if necessary. Use _cpp_fake_ihash to
1376 make unique nominal_fnames if necessary.
1377 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1378 with 0 for column, not -1.
1379 (_cpp_handle_eof): Don't set the control macro here. Don't
1380 clear input_stack_listing_current here. Don't emit line
1383 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1385 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1386 always, use the default SVR4 start address.
1388 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1389 (LINK_SHLIB_SPEC): Define.
1390 (LINK_START_DEFAULT_SPEC): Define.
1391 (LINK_OS_DEFAULT_SPEC): Define.
1393 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1395 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1396 __do_global_ctors to handle constructors.
1397 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1398 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1399 (STARTFILE_MVME_SPEC): Likewise.
1400 (STARTFILE_SIM_SPEC): Likewise.
1401 (ENDFILE_ADS_SPEC): Use crtend.
1402 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1403 (ENDFILE_MVME_SPEC): Likewise.
1404 (ENDFILE_SIM_SPEC): Likewise.
1405 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1406 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1407 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1408 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1409 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1410 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1411 (CRTSTUFF_T_CFLAGS_S): Define.
1412 * config/rs6000/eabi-ctors.c: Delete.
1414 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1417 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1421 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1423 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1424 plus mask size is smaller or equal to the mode size.
1426 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1428 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1431 * expr.c (reload.h): Now included.
1432 (emit_block_move): Set volatile_ok when checking for movstr.
1433 (emit_move_1): Check for replacements in addresses in multi-word case.
1434 * Makefile.in (expr.o): Now includes reload.h.
1436 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1437 Never have a LIBCALL end a basic block.
1438 (find_basic_blocks_1): Likewise.
1439 Reorganize CALL_INSN cases.
1441 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1443 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1445 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1446 completers from mov.ret instruction.
1448 2000-04-14 Richard Henderson <rth@cygnus.com>
1450 * fold-const.c (extract_muldiv): Don't distribute and widen
1451 multiply across plus for non-sizetype unsigned types.
1453 2000-04-14 Richard Henderson <rth@cygnus.com>
1455 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1456 If the original source is dead in the incr insn, it's dead now.
1458 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1460 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1461 see if DECL_BIT_FIELD needs to still be set.
1463 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1465 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1466 print_int_cst_octal with something that's not an INTEGER_CST.
1468 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1469 and not a SUBREG to a FLOAT rtl.
1471 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1473 * emit-rtl.c (try_split): Avoid infinite loop if the split
1474 results in a sequence that contains the original insn.
1476 2000-04-13 Andreas Jaeger <aj@suse.de>
1478 * config/mips/mips.c (expand_block_move): Pass alignment
1479 argument to move_by_pieces in bits, not bytes.
1481 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1482 __pic__ for little endian.
1484 2000-04-13 Andreas Jaeger <aj@suse.de>
1486 * config/i386/i386-protos.h: Add prototype for
1487 uno_comparison_operator.
1489 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1491 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1492 * calls.c (ECF_PURE): New flag.
1493 (emit_call_1): Handle ECF_PURE calls.
1494 (initialize_argument_information): Unset ECF_PURE flag too.
1495 (precompute_arguments): Precompute for ECF_PURE too.
1496 (expand_call): Handle ECF_PURE calls too.
1497 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1498 accept value of 2 as pure function.
1499 (emit_library_call_value, emit_library_call): Rename no_queue argument
1501 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1503 * tree.h (DECL_IS_PURE): New macro.
1504 (struct tree_decl): Add pure_flag.
1505 * c-common.c (enum attrs): Add attribute "pure".
1506 (init_attributes): Initialize attribute "pure"
1507 (decl_attributes): Handle attribute "pure".
1508 * extend.texi (Attribute "pure"): Document.
1509 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1511 (flags_from_decl_or_type): Support attribute "pure".
1513 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1515 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1516 the token except for numbers and identifiers.
1518 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1520 * i386.c (ix86_expand_binary_operator,
1521 ix86_expand_unary_operator): Check no_new_pseudos
1522 instead of reload_in_progress and reload_completed.
1523 (ix86_split_ashldi, ix86_split_ashrdi,
1524 ix86_split_lshrdi): Check no_new_pseudos instead
1525 of reload_completed.
1527 2000-04-12 Jeffrey A Law (law@cygnus.com)
1529 * function.c (purge_addressof): Unshare any shared rtl created by
1530 purge_addressof and its children.
1532 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1534 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1537 2000-04-05 Andreas Jaeger <aj@suse.de>
1539 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1540 not compiling PIC code, add flags for mabi=64.
1541 (SUBTARGET_CPP_SIZE_SPEC): New.
1542 (SUBTARGET_CPP_SPEC): New.
1543 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1544 for MIPS/Linux and lots of code needs these defines.
1546 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1548 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1549 trying the "opposite arithmetic" approach.
1551 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1553 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1554 (struct sh_args): Add new field force_mem.
1555 (INIT_CUMULATIVE_ARGS): Initialize it.
1556 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1558 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1560 * calls.c (expand_call): Do not reverse args in "equal from" field.
1561 (emit_library_call_value_1): Emit_libcall_block for const and pure
1564 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1566 * reload1.c (reload_combine): Don't enable optimization for fixed
1567 registers when encountering a BARRIER.
1569 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1571 * builtins.c (expand_builtin_memcmp): Do expansion even with
1572 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1574 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1575 stack is propertly aligned; add sanity checking for aligned
1577 (expand_library_call_value_1): Add sanity checking for aligned
1580 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1582 * calls.c (emit_library_call_value_1): Change 3rd arg to
1583 locate_and_pad_parm to disregard the setting of partial.
1585 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1587 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1589 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1590 CALL_INSN from the normal case.
1592 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1594 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1595 New global variables.
1596 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1598 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1600 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1601 TARGET_ADD_ESP_8): New macros.
1602 * i386.md: Add peep2s to convert esp adjustments to push and pop
1604 (pushsi_prologue, popsi_epilogue): New patterns.
1606 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1608 * real.c (toe64): Remove stale #endif from the last change.
1610 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1612 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1613 * real.c (toe64): Revert previous change.
1615 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1617 * objc/objc-act.c: Include ggc.h.
1618 (objc_tree_index, objc_global_trees): Convert most of the
1619 static tree variables into a static array with previous names
1621 (objc_ellipsis_node): New variable.
1622 (lang_init): Call objc_act_parse_init and c_parse_init.
1623 Create objc_ellipsis_node.
1624 (build_selector_translation_table): Use objc_ellipsis_node instead
1626 (hack_method_prototype): Likewise.
1627 (get_arg_type_list): Likewise.
1628 (start_method_def): Likewise.
1629 (continue_method_def): Likewise.
1630 (gen_method_decl): Likewise.
1631 (ggc_mark_imp_list): New function.
1632 (ggc_mark_hash_table): New function.
1633 (objc_act_parse_init): New function.
1634 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1635 * c-parse.in (c_parse_init): For objc add roots of objc specific
1636 local tree variables.
1637 * objc/objc-parse.y: Rebuilt.
1638 * objc/objc-parse.c: Rebuilt.
1639 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1641 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1643 * cse.c (delete_trivially_dead_insns): Also delete insns
1644 that copy a register to itself where the destination is
1647 2000-04-11 Richard Henderson <rth@cygnus.com>
1649 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1650 (propagate_block): Initialize them. Use them in parallel instead
1651 of one tmp variable, ie revert much of the 0408 and 0407 functional
1652 changes, but keep the structural changes.
1653 (mark_set_regs): Take new_dead from propagate_block_info instead.
1654 (mark_set_1, mark_set_reg): Likewise.
1655 (mark_used_regs): Likewise with new_live.
1656 (mark_used_reg): Likewise. Revert 0408 change.
1658 2000-04-11 Nick Clifton <nickc@cygnus.com>
1660 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1662 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1664 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1666 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1667 const section to output a CONSTRUCTOR based on the same conditions
1670 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1672 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1673 * pa/pa-protos.h (output_call): Add additional argument indicating
1674 if the call is a sibling/tail call.
1675 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1676 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1677 (function_arg, function_arg_partial_nregs): Likewise
1678 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1679 (emit_move_sequence): Zero extend certain constants as needed
1681 (compute_zdepdi_operands, output_64bit_and): New functions.
1682 (output_64bit_ior, function_arg): Likewise.
1683 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1684 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1685 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1686 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1687 (output_bvb): Likewise.
1688 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1689 (output_call): New argument 'sibcall'. Generate sibcall sequences
1691 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1692 (ouput_arg_descriptor): Do not emit argument descriptors for
1694 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1696 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1697 (FUNCTION_OK_FOR_SIBALL): Define.
1698 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1699 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1700 (CPP_SPEC): Use new spec infrastructure.
1701 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1702 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1703 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1704 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1705 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1706 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1707 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1708 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1709 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1710 (FUNCTION_ARG); Call out to C code.
1711 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1712 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1713 (MIN_UNITS_PER_WORD): Likewise.
1714 * pa/pa.md (cmpdi): New expander.
1715 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1716 (64bit conditional arithmetic): New patterns.
1717 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1718 (movsicc): Not available if modes on all the operands to not match.
1719 (movdicc): New expander and associated patterns.
1720 (64bit branches): New patterns.
1721 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1722 (pre_ldd, post_std): New patterns.
1723 (64bit addil, load low part): New patterns.
1724 (special movsf constant): Not available for TARGET_64BIT.
1725 (movsf, movdf expanders): Force constants into memory.
1726 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1727 (64bit movdf/movdi patterns): New patterns.
1728 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1730 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1731 (adddi3 expander): Allow "arith_operand" for second input.
1732 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1733 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1734 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1735 (muldi3): New expander for TARGET_64BIT.
1736 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1738 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1739 patterns for TARGET_64BIT.
1740 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1741 patterns for TARGET_64BIT.
1742 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1743 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1744 (sibcall_epilogue): New expander.
1745 (casesi): Tweak for TARGET_64BIT.
1746 (call expanders): Set & use the outgoing argument pointer. Use the
1747 64bit call patterns as needed. Add additional arg to output_call.
1748 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1749 (sibcall, sibcall_internal_symref): New expanders.
1750 (sibcall_value, sibcall_value_internal_symref
1751 (interspace_jump): Turn into an expander + matching patterns.
1752 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1753 * pa/pa64-regs.h: Eliminate trigraph sequences.
1754 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1756 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1758 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1759 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1760 cpp_token with cpp_ttype everywhere.
1761 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1762 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1763 CPP_BUF_COL. Line and column numbers are unsigned int, not
1765 * cpplex.c (cpp_buf_line_and_col): Delete.
1766 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1767 'long lineno' to 'unsigned int lineno'.
1768 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1770 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1772 * extend.texi: ISO C99 is not a draft anymore.
1773 * invoke.texi: ISO C++ is not a draft anymore.
1774 * cpp.texi: __cplusplus is required by the ISO standard.
1776 * extend.texi (-fthis-is-variable): Undocument.
1777 * flags.h (warn_template_debugging): Remove declaration.
1778 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1779 -Wenum-clash, -Wtemplate-debugging): Undocument.
1781 2000-04-10 Nick Clifton <nickc@cygnus.com>
1783 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1785 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1787 (ARM_SIGN_EXTEND): Use HOST_UINT.
1788 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1789 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1790 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1791 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1793 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1794 (arm_gen_constant): Use HOST_UINT.
1795 (arm_canonicalize_constant): Use HOST_UINT.
1796 (arm_reload_in_hi): Use HOST_UINT.
1797 (arm_reload_out_hi): Use HOST_UINT.
1798 (output_multi_immediate): Use HOST_UINT.
1799 (int_log2): Use HOST_UINT.
1800 (arm_poke_function_name): Use HOST_UINT.
1801 (arm_output_epilogue): Use arm_volatile_func().
1802 (output_thumb_prologue): Use arm_strip_name_encoding().
1804 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1806 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1807 of sequence point problems.
1809 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1811 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1813 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1815 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1817 * sbitmap.h: Whitespace changes and use upper-case macro args.
1818 (struct simple_bitmap_def): All sizes now unsigned.
1819 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1820 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1821 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1822 (sbitmap_zero): Cast bzero arg to PTR.
1823 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1824 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1825 loop to make structure clearer.
1826 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1827 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1828 (sbitmap_a_and_b_or_c): Likewise.
1829 (sbitmap_intersection_of_succs): Minor cleanups.
1830 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1831 (sbitmap_union_of_preds): Likewise.
1832 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1833 (debug_sbitmap): New function.
1835 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1836 * c-typeck.c (convert_for_assignment): Likewise.
1838 * expmed.c (init_expmed): Don't free objects we make.
1839 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1841 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1842 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1844 * gcse.c (expr_hash_table_size): Now unsigned.
1845 (compute_ae_gen): Local variable `i' now unsigned.
1846 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1847 (compute_transout, hoist_code): Likewise.
1848 (compute_local_properties): Likewise, also hash_table_size.
1849 (alloc_expr_hash_table): N_INSNS now unsigned.
1850 (delete_null_pointer_checks): Mark arg F as unused.
1852 * regrename.c: Minor cleanups, including chang some variables
1855 2000-04-10 Neil Booth <NeilB@earthling.net>
1857 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1859 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1861 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1863 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1864 __classof__, and __headof__ from the list of gnu keywords.
1865 (-ansi): Remove -foperator-names from list of implied options.
1866 Do not call it ANSI C++.
1867 (-foperator-names): Document as -fno-operator-names.
1869 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1871 * cpphash.c (timestamp): Delete.
1872 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1873 (special_symbol): Remove unnecessary braces. Remove
1874 T_VERSION. Treat T_STDC like T_CONST unless
1875 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1876 when one is encountered, then convert them into T_MCONST
1878 * cppinit.c (builtin_array): version_string is T_MCONST.
1879 __STDC__ has a "1" in its cpval. Don't have a terminator
1880 entry. Clean up which entries are dumped.
1881 (initialize_builtins): Only __STDC__ gets the special
1882 -traditional treatment. Count the length of builtin_array.
1883 Render version_string here.
1884 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1885 * cpplib.h (struct cpp_reader): Remove timebuf.
1887 2000-04-09 Richard Henderson <rth@cygnus.com>
1889 * genrecog.c (pred): Update comparison_operator for the unordered
1892 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1894 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1895 (uno_comparison_operator): New.
1896 (put_condition_code): Handle UNORDERED/ORDERED.
1897 (unsigned_comparison): Likewise.
1898 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1899 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1900 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1901 update all callers. Handle all 8 unordered operators.
1902 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1903 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1904 * config/i386/i386.h (PREDICATE_CODES): Update.
1905 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1906 (ix86_expand_branch, ix86_expand_setcc): Update.
1907 * config/i386/i386.md (sunordered, sordered): New.
1908 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1909 (bunordered, bordered): New.
1910 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1911 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1912 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1914 2000-04-09 Philip Blundell <philb@gnu.org>
1916 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1918 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1920 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1921 fix_truncxfhi2): New patterns.
1922 * i386.c (output_fix_trunc): Handle converting to HImode.
1924 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1926 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1928 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1929 (for_each_successor_phi): Change parameter to basic_block.
1930 (coalesce_regs_in_successor_phi_nodes): Likewise.
1931 (coalesce_regs_in_copies): Likewise.
1932 (compute_coalesced_reg_partition): Use basic_block instead of index.
1933 * rtl.h (convert_to_ssa): Delete.
1934 (convert_from_ssa): Likewise.
1935 (successor_phi_fn): Likewise.
1936 (for_each_successor_phi): Likewise.
1937 (in_ssa_form): Likewise.
1938 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1939 (convert_from_ssa): Likewise.
1940 (successor_phi_fn): Likewise.
1941 (in_ssa_form): Likewise.
1942 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1943 * flow.c (calculate_global_regs_live): Pass a basic_block to
1944 for_each_successor_phi.
1946 2000-04-08 Richard Henderson <rth@cygnus.com>
1948 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1949 was modified in the current insn.
1951 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1953 * arm/thumb.md: Delete.
1954 * arm/thumb-protos.h: Delete.
1956 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1958 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1960 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1962 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1965 * arm.md (nop): Use the standard RTL expression. Don't code as a
1967 (*arm_nop, *thumb_nop): Delete.
1969 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1970 constants. Use casts instead.
1971 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1972 output_multi_immediate, arm_poke_function_name): Likewise.
1973 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1974 MASK_RETURN_ADDDR): Likewise.
1976 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1978 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1981 * arm.md (eh_epilogue): New function.
1982 * arm.h (struct machine_function): Move to here ...
1983 * arm.c: ... from here.
1984 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1985 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1986 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1988 2000-03-30 Nick Clifton <nickc@cygnus.com>
1990 * config/arm/semi.h (ASM_SPEC): Restore definition.
1991 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1993 * config/arm/elf.h (ASM_SPEC): Restore definition.
1994 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1996 * config/arm/arm.h (ASM_SPEC): Remove definition.
1997 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1999 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2001 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2003 2000-03-24 Nick Clifton <nickc@cygnus.com>
2005 Various formating tidyups, elimination of compile time
2006 warnings and synchronisation with internal sources:
2008 * config/arm/arm-protos.h (assemble_align): Add prototype.
2009 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2010 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2011 (arm_return_addr_rtx): Rename to arm_return_addr.
2013 * config/arm/arm.c: Include except.h.
2014 Define shorter typenames for strict minipool_node and struct
2016 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2018 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2019 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2021 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2023 (ASM_SPEC): Define if not already defined.
2024 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2026 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2027 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2028 arm_gen_compare_reg.
2029 (indirect_jump): Only accept register operands.
2030 (load_indirect_jump): Keep this pattern since combine can generate
2033 * config/arm/coff.h: Include aout.h.
2034 (MULTILIB_DEFAULTS): Only define if not already defined.
2036 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2037 into arm.h (so that COFF ports can support thumb based aliases).
2038 (ASM_SPEC): Move definition into arm.h
2040 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2041 redundant apcs spec.
2042 (ASM_SPEC): Move definition to arm.h
2044 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2046 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2047 for entries in the .bss section
2049 2000-03-23 Nick Clifton <nickc@cygnus.com>
2051 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2052 to thumb_far_jump_used_p.
2054 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2055 single integer parameter.
2057 * config/arm/arm.c (struct machine_function): Add two new
2058 fields, 'far_jump_used' and 'arg_pointer_live'.
2059 (thumb_far_jump_used_p): Once the decision has been made that
2060 far jumps might be used, always return true.
2061 If being called from the initial elimination offset macro then
2062 do not bother to perform the test if the arg pointer is not
2064 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2065 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2067 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2069 * arm.c (output_return_instruction): Handle more cases where we can
2070 return from a function with an ldr instruction.
2071 (arm_output_epilogue): Likewise.
2073 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2074 if we need to push a large stack frame and there are no callee-saved
2077 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2078 in ARM code if the frame pointer has been eliminated.
2080 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2081 unspec_volatile arguments to avoid duplicates.
2082 (consttable_1, consttable_2): Fixes for big-endian mode.
2084 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2087 Re-write constant pool code.
2088 * arm.c (minipool_node, minipool_fix): New types.
2089 (minifix): Delete type.
2090 (arm_add_minipool_constant): Delete.
2091 (arm_compute_minipool_offsets, arm_find_barrier,
2092 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2093 (get_jump_table_size): Now returns HOST_WIDE_INT.
2094 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2096 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2097 (assign_minipool_offsets, arm_print_value): Likewise.
2098 (dump_minipool): Rewrite.
2099 (arm_barrier_cost): New function.
2100 (create_fix_barrier): New function.
2101 (push_minipool_barrier): New function.
2102 (push_minipool_fix): Record additional information about the fixup
2104 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2105 check the mode of what needs fixing.
2106 (arm_reorg): Rewrite.
2108 2000-03-08 Nick Clifton <nickc@cygnus.com>
2110 * config/arm/arm.md (indirect_jump): Force constant addresses into
2113 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2115 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2117 2000-02-24 Nick Clifton <nickc@cygnus.com>
2119 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2120 adjust is word aligned.
2121 (thumb_expand_epilogue): Make sure that stack adjust is word
2124 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2126 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2128 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2129 pointer relative addresses.
2131 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2133 * arm.c (find_barrier): Find the last barrier within the allowed
2136 2000-02-09 Nick Clifton <nickc@cygnus.com>
2138 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2140 2000-02-09 Nick Clifton <nickc@cygnus.com>
2142 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2143 ARM_FUNCTION_PROFILER.
2145 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2146 ARM_FUNCTION_PROFILER.
2148 * config/arm/linux-oldld.h: Imported from mainline sources.
2150 2000-02-07 Nick Clifton <nickc@cygnus.com>
2152 * config/arm/lib1funcs.asm: Merge in thumb functions from
2155 * config/arm/lib1thumb.asm: Delete.
2157 2000-02-04 Nick Clifton <nickc@cygnus.com>
2159 * config/arm/arm.c: Sychronised with current Red hat local
2161 * config/arm/arm.h: Ditto.
2162 * config/arm/arm-protos.h: Ditto.
2164 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2166 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2168 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2171 2000-02-02 Nick Clifton <nickc@cygnus.com>
2173 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2175 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2176 (return) was emited using an emit_insn() call.
2178 2000-01-31 Nick Clifton <nickc@cygnus.com>
2180 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2182 (thumb_exit): Move frame pointer back into hard frame pointer
2183 register if backtracing is being used.
2185 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2187 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2190 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2192 * config/arm/arm.md (neg_pool_offset): Provide default for new
2194 (arm_movsi_insn): Add neg_pool_offset attribute.
2195 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2196 rtx for the insn that starts the scan and an unsigned long for its
2197 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2198 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2199 instructions in *PINSERTED.
2200 (struct minipool_fixup): Add MIN_ADDRESS elt.
2201 (sort_fixups): Compute it.
2202 (arm_reorg): Changes to support inserting pools before the insn to be
2205 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2207 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2208 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2209 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2211 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2213 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2215 (TARGET_DEFAULT): Do not define if already defined.
2217 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2219 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2220 (iordi3): Allow disjoint source operands.
2221 (xordi3): Allow disjoint source operands.
2222 (negdi2): Permit construction for ARM and Thumb.
2223 (arm_negdi2): Renamed version of old negdi2 pattern.
2224 (thumb_negdi2): New pattern: Only permit non-overlapping
2225 source and destination.
2227 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2229 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2230 scratch low register so that it will not be deleted.
2232 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2234 * config/arm/pe.h (ARM_PE): Define.
2236 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2237 interfacearm attribute if this is a PE toolchain.
2238 (output_return_instruction): Do not emit anything if the function
2239 has the naked attribute set.
2240 (is_called_in_ARM_mode): If the function has the interfacearm
2241 attribute then return true.
2242 (thumb_expand_prologue): Do not generate a prologue for naked
2244 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2246 (output_thumb_prologue): Do not bother if the function is naked.
2247 Strip PE encoding from function name before emitting.
2249 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2251 * arm.md (pic_load_addr): Fix constraints.
2253 * arm.md (casesi_insn): Fix mis-applied patch.
2255 * arm.md ("core" function unit): Add rules for single- and
2257 (All TARGET_THUMB patterns): Add "type" attribute information
2259 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2260 the following insn is a CALL.
2262 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2264 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2265 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2266 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2268 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2270 * config/arm/linux-gas.h: oops - this file was missed out when the
2271 branch was created...
2273 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2275 * thumb.c: Deleted. Move contents to ...
2277 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2279 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2282 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2283 declare a prototype for asm_output_align();
2285 * arm.c (thumb_condition_code): Delete.
2286 (arm_print_operand): Always use arm_condition_code array.
2288 * arm.c (thumb_return_addr_rtx): Delete.
2289 (arm_save_machine_status, arm_restore_machine_status): Delete.
2290 (arm_init_machine_status, arm_mark_machine_status): New functions.
2291 (arm_init_expanders): Update accordingly.
2292 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2293 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2294 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2296 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2298 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2300 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2303 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2305 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2306 stack backtrace structure.
2308 * config/arm/arm-protos.h: Add prototypes for functions defined in
2311 * config/arm/arm.c (arm_override_options): Fix selection of
2312 attributes of default processor.
2314 * config/arm/coff.h: Delete needless #include.
2316 * config/arm/pe.c: Delete unused code.
2318 * config/arm/pe.h (CPP_DEFINES): Delete
2319 (SUBTARGET_CPP_SPEC): Define.
2320 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2322 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2324 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2326 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2328 (CAN_DEBUG_WITHOUT_FP): Define.
2329 (FIXED_REGISTERS): Make r11 call-saved.
2330 (CALL_USED_REGISTERS): Likewise.
2331 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2332 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2333 frame-pointer is required.
2334 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2335 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2336 if the target normally needs a stack frame in non-leaf functions.
2337 (use_return_insn): Correct logic for determining when a return
2338 instruction can be used.
2339 (output_return_instruction): Handle the frame-pointer register as
2340 a normal register when not TARGET_APCS_FRAME.
2341 (arm_output_prologue): Likewise.
2342 (arm_output_epilogue): Likewise.
2343 (output_func_epilogue): Likewise.
2344 (arm_expand_prologue): Likewise.
2345 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2347 * arm.c (use_return_insn): No need to check floating point regs if
2349 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2350 the code of value stored in the minipool array.
2351 (arm_add_minipool_constant): Likewise.
2353 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2357 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2359 * tree.c (tree_expr_nonnegative_p): New function.
2361 * tree.h (tree_expr_nonnegative_p): Declare.
2363 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2364 elide some sign_compare warnings.
2365 (build_conditional_expr): Likewise.
2367 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2369 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2371 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2372 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2373 operand. Abort if a 387 operand has an unsupported size.
2375 2000-04-08 Neil Booth <NeilB@earthling.net>
2377 * cppexp.c (parse_charconst): Null does not end character
2379 * cppinit.c (ISTABLE): Null character handled as whitespace.
2380 * cpplex.c (null_warning): new function.
2381 (skip_string): Emit warning if nulls encountered.
2382 (_cpp_skip_hspace): Emit warning if nulls encountered.
2383 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2387 2000-04-07 Richard Henderson <rth@cygnus.com>
2389 * flow.c (loop_depth): Remove.
2390 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2391 (struct propagate_block_info): New.
2392 (life_analysis): Don't allocate reg_next_use.
2393 (propagate_block_delete_insn): Break out of propagate_block.
2394 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2395 (propagate_block_delete_libcall): Likewise.
2396 (propagate_block): Create a propagate_block_info struct to pass
2397 to subroutines. Allocate one not two temporary regsets. Don't
2398 clobber memory for const calls. Look for clobbers in
2399 CALL_INSN_FUNCTION_USAGE.
2400 (mark_set_regs): Recognize COND_EXEC.
2401 (mark_set_reg): Break out of mark_set_1.
2402 (mark_used_reg): Break out of mark_used_regs.
2403 (mark_used_regs): Recognize COND_EXEC.
2404 (insn_dead_p): Use propagate_block_info struct.
2405 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2406 (find_auto_inc, try_pre_increment_1): Likewise.
2407 (print_rtl_with_bb): Dump regs live at end too.
2408 (count_reg_sets_1): Pass in loop_depth.
2409 (count_reg_sets, count_reg_references): Likewise.
2410 (recompute_reg_usage): Provide it.
2412 2000-04-07 Richard Henderson <rth@cygnus.com>
2414 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2417 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2419 * cpplib.c (do_elif): Skip the rest of the line if we're
2420 not going to bother evaluating it.
2421 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2422 to avoid pointless calls to the lexer.
2424 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2426 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2428 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2430 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2432 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2434 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2436 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2438 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2439 crtend so they can be multilibbed.
2440 (STAGESTUFF): Remove s-crt and s-crtS.
2442 2000-04-07 Richard Henderson <rth@cygnus.com>
2444 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2445 if we discover we need a pseudo and no_new_pseudos is true.
2446 * config/alpha/alpha.md (ne:DI insn): New.
2447 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2449 2000-04-07 Richard Henderson <rth@cygnus.com>
2451 * rtl.def (COND_EXEC): New.
2452 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2453 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2455 * genconfig.c (have_cond_arith_flag): Remove.
2456 (have_cond_exec_flag): New.
2457 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2458 (main): Print HAVE_conditional_execution.
2460 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2461 (sched_analyze_insn, print_pattern): Likewise.
2462 * reload.c (find_equiv_reg): Likewise.
2463 * rtlanal.c (reg_referenced_p): Likewise.
2464 (note_stores, dead_or_set_regno_p): Likewise.
2465 (reg_overlap_mentioned_p): Rewrite to use a switch.
2467 * ggc.h (struct rtx_def): Forward declare.
2469 * print-rtl.c (debug_rtx_range): New.
2470 * rtl.h (debug_rtx_range): Declare.
2472 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2474 * gcse.c (gcse_main): Don't rebuild the CFG here.
2475 (delete_null_pointer_checks): Likewise.
2476 * ssa.c (convert_to_ssa): Likewise.
2477 * toplev.c (rest_of_compilation): Do it here instead. Combine
2478 sequential calls to TIMEVAR. Consistently use `insns' instead of
2479 `get_insns()'. Always split insns after reload when optimizing.
2481 * basic-block.h (merge_blocks_nomove): Declare.
2482 (tidy_fallthru_edge): Declare.
2483 * flow.c (merge_blocks_nomove): Document as merging into previous
2484 blocks. Remove cruft from between blocks; remove all edges out of A.
2485 (tidy_fallthru_edge): Export.
2487 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2489 * ssa.c (compute_conservative_reg_partition): Declare with
2491 * toplev.c (clean_dump_file): Remove previously-deleted function
2492 inadvertantly merged back in.
2493 * conflict.c (conflict_graph_add): Use a single call to
2494 htab_find_slot to look up and insert.
2496 2000-04-06 Richard Henderson <rth@cygnus.com>
2498 * genrecog.c (*): Rename _last_insn to last_insn.
2499 (make_insn_sequence): Set the position of the peephole2 C test
2500 to be at the last insn.
2502 2000-04-06 Richard Henderson <rth@cygnus.com>
2504 * flow.c (compute_flow_dominators): Free worklist.
2506 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2508 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2510 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2512 * rtl.h (INSN_P): New macro.
2513 (successor_phi_fn): New typedef.
2514 (for_each_successor_phi): New prototype.
2515 (in_ssa_form): New variable.
2516 (PHI_NODE_P): Likewise.
2517 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2518 phi nodes in successors.
2519 (mark_used_regs): Add PHI case.
2520 (set_phi_alternative_reg): New function.
2521 (life_analysis): Assert that dead code elimination is not selected
2523 * toplev.c (to_ssa_time): New variable.
2524 (from_ssa_time): Likewise.
2525 (compile_file): Zero to_ssa_time and from_ssa_time.
2526 Print time to convert to and from SSA.
2527 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2528 (print_time): Compute percent fraction as integer.
2529 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2530 (convert_to_ssa): Check if we're already in SSA.
2531 Don't eliminate dead code in life_analysis.
2532 Rerun flow and life analysis at bottom.
2533 (eliminate_phi): Use canonical regnos when adding nodes.
2534 (mark_reg_in_phi): New function.
2535 (mark_phi_and_copy_regs): Likewise.
2536 (convert_from_ssa): Rerun life analysis at top.
2537 Use coalesced partition.
2538 Check for removing a phi node at the end of the block.
2539 (compute_coalesced_reg_partition): New function.
2540 (coalesce_regs_in_copies): Likewise.
2541 (coalesce_reg_in_phi): Likewise.
2542 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2543 (for_each_successor_phi): Likewise.
2544 (rename_context): New struct.
2545 (rename_block): Use a rename_context with rename_insn_1. When
2546 renaming sets of a subreg, emit a copy of the entire reg first.
2547 (rename_insn_1): Treat data as a rename_context *. Save current
2549 (rename_set_data): Add field set_insn.
2550 * Makefile.in (HASHTAB_H): Move up in file.
2551 (OBSTACK_H): New macro.
2552 (collect2.o): Use OBSTACK_H in dependencies.
2553 (sdbout.o): Likewise.
2554 (emit-rtl.o): Likewise.
2555 (simplify-rtx.o): Likewise.
2556 (fix-header.o): Likewise.
2557 (OBJS): Add conflict.o.
2558 (conflict.o): New rule.
2559 * basic-block.h: Include partition.h.
2560 (conflict_graph): New typedef.
2561 (conflict_graph_enum_fn): Likewise.
2562 (conflict_graph_new): New prototype.
2563 (conflict_graph_delete): Likewise.
2564 (conflict_graph_add): Likewise.
2565 (conflict_graph_conflict_p): Likewise.
2566 (conflict_graph_enum): Likewise.
2567 (conflict_graph_merge_regs): Likewise.
2568 (conflict_graph_print): Likewise.
2569 (conflict_graph_compute): Likewise.
2570 * conflict.c: New file.
2572 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2574 * tlink.c (read_repo_files): Don't look for .rpo info for
2577 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2579 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2581 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2583 * config/sh/lib1funcs.asm (___udivsi3_i4):
2584 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2585 only depends on FMOVD_WORKS.
2587 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2589 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2590 make double constant 8-byte aligned.
2592 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2594 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2595 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2596 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2597 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2598 Accept storing GENERAL_REGS into offsetable memory.
2599 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2600 building a TFmode constant other than 0.0L into GENERAL_REGS.
2602 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2604 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2606 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2608 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2609 (macro_cleanup): No need to cast pbuf->macro.
2610 (collect_expansion): Use _cpp_get_define_token. Goto done if
2611 it returns VSPACE. Remove check for trailing space after
2613 (_cpp_create_definition): Don't diddle flags here. Return
2615 (unsafe_chars): Handle c1 being EOF.
2616 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2617 checks. Don't push the buffer till after we're done with
2619 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2620 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2621 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2623 (_cpp_parse_assertion): Don't NUL terminate.
2624 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2625 hspace before calling _cpp_parse_assertion. Remove all sets
2626 of only_seen_white. Treat '\f' as hspace. Don't do anything
2627 special with '\n' here.
2628 (maybe_macroexpand): Handle T_EMPTY hash entries without
2629 pushing a buffer at all.
2630 (cpp_get_token): Handle clearing only_seen_white here. Handle
2631 incrementing the line number here. Clear
2632 potential_control_macro as well as only_seen_white, if
2634 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2635 (_cpp_get_define_token): New function, basically like
2636 _cpp_get_directive_token was but doesn't eat horizontal space.
2637 Don't do anything with only_seen_white here.
2638 (_cpp_get_directive_token): Just call _cpp_get_define_token
2639 repeatedly till it returns non-hspace.
2641 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2642 (conditional_skip, skip_if_group): Return int.
2643 (DIRECTIVE_TABLE): Change origin of all conditional directives
2645 (TRAD_DIRECT_P): New macro.
2646 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2647 an error for a bogus directive, unless -lang-asm. Use
2648 TRAD_DIRECT_P. Loop calling handler functions till one returns
2650 (get_macro_name): Don't diddle flags here.
2651 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2652 Create T_EMPTY nodes for #define macro /* nothing */.
2653 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2654 Use hp->name when calling pass_thru_directive.
2655 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2656 Return the result of conditional_skip and/or skip_if_group.
2657 Don't call _cpp_output_line_command.
2658 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2659 Issue -Wtraditional warnings as appropriate. Don't complain
2660 about unrecognized directives. If we are to stop skipping,
2661 return the number of the directive that ended the skip.
2662 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2663 expansion and line commands while skipping. Return the result
2664 of consider_directive_while_skipping, if nonzero.
2665 (do_endif): Just set potential_control_macro here.
2666 (validate_else): Use _cpp_get_directive_token.
2667 (do_assert, do_unassert): Don't save pointers into the
2668 token_buffer across calls to the lexer. Use
2669 _cpp_get_directive_token.
2671 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2672 pointer, not an offset. Replace 'data', which was a generic
2673 pointer, with 'macro', which points to a struct hashnode.
2674 (cpp_reader): Add 'potential_control_macro' pointer.
2675 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2676 (CPP_BUF_GET, CPP_FORWARD): Delete.
2677 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2678 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2679 ACTIVE_MARK_P): Update.
2680 (_cpp_get_define_token): New internal function.
2681 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2683 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2685 * configure.in: And here.
2686 * configure: Regenerate.
2687 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2688 --enable-libstdcxx-v3 is passed at configure time.
2689 * config.h.in: Regenerate.
2691 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2693 * final.c (final): Use xcalloc to allocate line_note_exists.
2694 * function.c (free_after_compilation): Free the temp_slots.
2695 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2696 (combine_temp_slot): Free temp_slots when they get combined.
2697 (purge_addressof): Fix typo in comment.
2698 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2699 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2701 * ggc.h: Include varray.h.
2702 (ggc_pending_trees): Declare.
2703 (ggc_mark_tree_children): Remove declaration.
2704 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2705 * ggc-common.c (ggc_pending_trees): New variable.
2706 (ggc_mark_roots): Call ggc_mark_trees.
2707 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2708 the ggc_pending_trees.
2709 * Makefile.in (GGC_H): New variable. Use it throughout in place
2712 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2714 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2717 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2719 * sh.c (sh_insn_length_adjustment): New function.
2720 * sh-protos.h (sh_insn_length_adjustment): Declare.
2721 * sh.h (ADJUST_INSN_LENGTH): Use it.
2723 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2725 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2726 from the insn where REG_RETVAL is added.
2727 (emit_no_conflict_block): Ditto.
2729 * md.texi (Standard Names): Clarify when movX is needed.
2731 * combine.c (simplify_comparison) [MINUS]: Do not replace
2732 all (op (minus A B) 0) with (op A B).
2734 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2735 J"orn Rennecke <amylaar@cygnus.co.uk>
2737 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2738 (block_lump_real): Likewise.
2740 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2742 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2743 remaining non-zero debugging masks.
2745 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2747 * basic-block.h (verify_flow_info): Declare.
2748 (flow_loop_outside_edge_p): Declare.
2749 * flow.c (verify_flow_info): Remove declaration.
2750 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2752 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2754 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2757 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2759 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2760 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2761 seqdi_zero_trunc+1): Allow splits only if registers are
2764 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2766 * acconfig.h: Add HAVE_GAS_HIDDEN.
2767 * config.in: Regenerated.
2768 * configure.in: Add test for .hidden pseudo-op in gas.
2769 * configure: Regenerated.
2770 * crtstuff.c: Include auto-host.h.
2771 Emit additional .hidden pseudo-op for __dso_handle if the
2772 assembler knows about it.
2774 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2776 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2777 before freeing argnames.
2778 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2780 2000-04-05 Michael Meissner <meissner@redhat.com>
2782 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2783 Walton <jonboy@gordian.com> to make memory references with update
2784 work wtih -mregnames.
2786 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2789 (regrename_optimize): Rename variables `def_uses' and
2790 `ext_basic_blocks' to avoid conflicts with similarly named
2791 typedefs in traditional C.
2793 * calls.c (initialize_argument_information): Fix typo in previous
2796 2000-04-04 Richard Henderson <rth@cygnus.com>
2798 * regrename.c (consider_available): Test fixed_regs not
2799 PIC_OFFSET_TABLE_REGNUM.
2801 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2803 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2805 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2806 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2807 (ENDFILE_LINUX_SPEC): Always use crtend.
2808 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2809 (powerpc-*-linux-gnu): Likewise.
2810 * configure: Regenerate.
2812 * config/rs6000/eabi.h: Don't include sysv4.h.
2813 (MULTILIB_DEFAULTS): Don't define.
2814 * config/rs6000/eabiaix.h: Don't include eabi.h.
2815 * config/rs6000/eabile.h: Delete.
2816 * config/rs6000/eabilesim.h: Delete.
2817 * config/rs6000/eabisim.h: Don't include eabi.h.
2818 * config/rs6000/linux.h: Don't include sysv4.h.
2819 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2820 (MULTILIB_DEFAULTS): Don't redefine.
2821 * config/rs6000/rtems.h: Don't include eabi.h.
2822 * config/rs6000/sol2.h: Don't include sysv4le.h.
2823 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2824 * config/rs6000/t-ppc: Delete.
2825 * config/rs6000/t-ppcgas: Correct comment.
2826 * config/rs6000/t-ppcos: Correct comment. Don't build
2827 multilibs for -fPIC, rather use -fPIC -mstrict-align
2829 * config/rs6000/t-ppc: Delete.
2830 * config/rs6000/vxppc.h: Don't include sysv4.h.
2831 * config/rs6000/vxppcle.h: Delete.
2832 * configure.in: Use multiple header files for p2pc ELF targets
2833 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2834 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2835 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2836 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2837 always available for these platforms.
2839 2000-04-04 Richard Henderson <rth@cygnus.com>
2841 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2843 2000-04-04 Stan Cox <scox@cygnus.com>
2845 * Makefile.in: Add rules for regrename.o
2846 * regrename.c: New file.
2847 * rtl.h (regrename_optimize): Add prototype.
2848 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2849 (compile_file, decode_d_option): Add support for -frename-registers.
2850 (rest_of_compilation): Call regrename_optimize.
2851 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2854 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2856 * Makefile (gccbug): New target.
2857 (doc): Depend on it.
2858 * gcc.texi (Bugs): Link subnodes.
2860 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2861 Document severities, priorities, and classes in bug form.
2863 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2865 * cpplex.c (trigraph_map, speccase): Combine into single
2867 (NORMAL, NONTRI): New macros.
2868 (_cpp_read_and_prescan): Change to use unified table. Use
2869 is_hspace to test for whitespace.
2871 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2872 definition that doesn't provoke the "empty body in an
2873 if-statement" warning.
2875 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2877 * builtins.c (expand_builtin_strlen): Force the source to
2878 be a memory address.
2880 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2884 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2886 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2887 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2888 (ECF_IS_CONST): Rename to ECF_CONST.
2889 (special_function_p): Make static, change interface.
2890 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2891 (expand_call) ... here; convert number of variables to flags.
2892 (emit_library_call_vlue_1): Likewise.
2893 (setjmp_call_p): New function.
2894 (initialize_argument_information): Accepts flags as argument;
2896 (precompute_arguments): Likewise.
2897 * tree.h (special_function_p): Remove.
2898 (setjmp_call_p): Add prototype.
2900 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2902 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2903 so that addresses are offsetable by up to 16 bytes.
2904 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2905 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2908 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2909 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2910 (movsf): Don't force any constant to memory if target is integer
2912 Move fp_zero_operand check below the const0_rtx check.
2913 (movtf): Likewise. Also allow fp_zero_operand for stores into
2915 (movdf): Likewise. Also allow fp_zero_operand for stores into
2916 memory and into integer hard registers.
2917 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2918 movdf_const_intreg_sp64): Remove.
2919 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2921 (movdf_no_e_insn_v9_sp32): New pattern.
2922 (movdf_insn_v9only): Remove.
2923 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2924 (movdf_insn_sp64): Remove.
2925 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2926 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2927 (following splits): Rewrite conditions. Add two new splits
2928 for storing 0.0 into memory and registers.
2929 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2930 (movtf_insn_sp32): Redo constraints and conditions.
2931 (movtf_insn_vis_sp32): New pattern.
2932 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2933 (movtf_insn_hq_sp64): Likewise.
2934 (movtf_insn_hq_vis_sp64): New pattern.
2935 (movtf_insn_sp64): Redo constraints and conditions.
2936 (movtf_insn_vis_sp64): New pattern.
2937 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2938 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2940 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2941 -mvis or -m64 to take down the number of various reload patterns.
2943 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2945 * pa/pa-64.h: New file.
2946 * pa/pa64-regs.h: New file.
2947 * pa/pa64-start.h: New file.
2948 * pa/t-pa64: New file.
2949 * pa/xm-pa64hpux.h: New file.
2951 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2953 * sparc.c (output_restore_regs): Prototype.
2954 (sparc_emit_float_lib_cmp): Constification.
2956 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2958 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2961 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2962 (get_value_hash, hash_rtx): Likewise.
2964 * ssa.c (compute_conservative_reg_partition): Prototype.
2966 * tree.c (mark_hash_entry): Prototype.
2968 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2970 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2971 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2972 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2974 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2975 * objc/lang-specs.h: Likewise.
2977 2000-04-03 Neil Booth <NeilB@earthling.net>
2979 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2980 and SYNTAX_ERROR2. Replace `' in messages with ''.
2981 (op_to_str): Make re-entrant.
2982 (_cpp_parse_expr): Implement new error macros. Use | rather
2983 than || to logically or 2 boolean integers. Simply expression
2984 checking we have a left operand iff needed.
2986 2000-04-03 Nick Clifton <nickc@cygnus.com>
2988 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2990 2000-04-03 Philip Blundell <philb@gnu.org>
2992 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2994 2000-04-03 Felix Lee <flee@cygnus.com>
2996 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2997 (run_shell): Use it.
2999 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3001 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3002 (stmp-fixproto): ...rather than here.
3004 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3006 * pa.c (print_operand): Compute 'base' only inside the code paths
3009 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3011 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3014 2000-04-03 Philipp Thomas <pthomas@suse.de>
3016 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3018 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3020 * Makefile.in (alias.o): Depend on $(TREE_H).
3022 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3024 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3026 * cpplib.c (_cpp_handle_directive): Improve warnings for
3027 traditional C and indented directives.
3029 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3030 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3031 fixinc/inclhack.def: Indent the # of #include_next one space.
3032 * cp/rtti.c: Un-indent #if and #endif.
3034 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3035 syntax error, but an error has already been printed.
3036 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3037 message when called with nothing remaining on the line.
3038 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3039 OTHER token, not an ASSERTION.
3040 * cpplib.c (do_assert): When we create a 'base' node, clear
3041 its aschain pointer.
3043 2000-04-02 Neil Booth <NeilB@earthling.net>
3045 * cppexp.c: New typedef op_t. struct operation and struct
3046 token updated to use it.
3047 (op_to_str): New function.
3048 (_cpp_parse_expr): Error messages modified to use op_to_str.
3050 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3052 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3053 before checking MUST_PASS_IN_STACK.
3055 2000-04-02 Neil Booth <NeilB@earthling.net>
3057 * cppexp.c: New FINISHED dummy token. Combine operator initial
3058 flags and initial priority into a single constant. New
3059 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3060 (_parse_cpp_expr): Implement new constants. Take left operand
3061 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3062 parse indicated by reducing FINISHED token. Remove new lines
3063 from cpp_error messages.
3065 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3067 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3070 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3072 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3073 directive. Add origin values to DIRECTIVE_TABLE. Generate
3074 the strings and function names on the fly. Take the #sccs
3075 entry out of the table if SCCS_DIRECTIVE is not defined.
3076 (_cpp_handle_directive): Decide if the # was at the beginning
3077 of the line here. Issue -pedantic warnings for extended
3078 directives here. Warn about K+R directives with the #
3079 indented, and C89/extended directives with the # not indented,
3081 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3082 do_assert, do_unassert): Don't issue pedantic warning here.
3084 * cpphash.h: Add CPP_WTRADITIONAL macro.
3085 * cpplib.h (struct cpp_options): Rename warn_stringify to
3086 warn_traditional; update comments.
3087 * cppinit.c (handle_option): Set warn_traditional not
3089 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3090 CPP_WTRADITIONAL (pfile).
3091 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3092 be ignored in -traditional mode here.
3094 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3095 to initialize speccase[] and trigraph_map[]. Delete all
3096 references to pfile->input_speccase. Always treat '?' as a
3097 special character. Remove table-initialization code from
3098 _cpp_init_input_buffer.
3100 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3101 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3103 2000-04-01 Richard Henderson <rth@cygnus.com>
3105 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3106 (mostlyclean): Likewise.
3108 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3109 (struct dump_file_info, enum dump_file_index, dump_file): New.
3110 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3111 not a string. Clean out file if we havn't yet done so. Do nothing
3112 if the dump isn't enabled.
3113 (close_dump_file): Do nothing if the dump isn't open. Dump
3114 graph data if requested.
3115 (dump_rtl, clean_dump_file): Remove.
3116 (compile_file): Don't clean the dump files. Only finalize .bp dump
3117 if flag_test_coverage or flag_branch_probabilities. Only finalize
3118 .combine dump if optimizing. Iterate over dump_file to finalize the
3120 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3121 Convert all uses of dump_rtl.
3122 (decode_d_option): Iterate over dump_file to implement 'a' and to
3123 locate pass-specific dumps.
3125 2000-04-01 Neil Booth <NeilB@earthling.net>
3127 * cppexp.c: Redefine priority constants.
3128 (_cpp_parse_expr): Replace left and right priority scheme with
3129 single priority logic. Move LOGICAL to same place as COMPARE.
3130 Remove bogus check for multiple unary +/- operators.
3132 2000-04-01 Neil Booth <NeilB@earthling.net>
3134 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3135 within the switch statement. Binary operations break out of
3136 the switch naturally. '(' tokens handled by forcing
3137 immediate shift. ')' handled by forcing immediate reduce to
3138 the previous '('. New error messages.
3140 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3142 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3143 part', it's already in use. Use %K instead. Add a return at the
3144 end of what is now %K.
3145 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3147 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3149 * builtins.c (expand_builtin_apply): Pass proper parameters to
3150 allocate_dynamic_stack_space.
3151 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3152 update stack_pointer_delta; do not update arg_size_so_far.
3153 (compute_argument_block_size): Use stack_delta instead of
3154 stack_pointer_pending and arg_size_so_far.
3155 (expand_call): Add sanity checking for stack_pointer_delta;
3156 save and restore stack_pointer_delta for SIB, use
3157 stack_pointer_delta for alignment; do not update arg_space_so_far.
3158 (emit_library_call_value): Use stack_pointer_delta for alignment.
3159 (store_one_arg): Do not update arg_space_so_far.
3160 * explow.c (adjust_stack, anti_adjust_stack): Update
3161 stack_pointer_delta.
3162 (allocate_dynamic_stack_space): Add sanity checking for
3163 stack_pointer_delta.
3164 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3165 stack_pointer_delta.
3166 (emit_push_insn): Update stack_pointer_delta.
3167 * function.h (struct expr_status): Add x_stack_pointer_delta;
3168 remove x_arg_space_so_far.
3169 (arg_space_so_far): Remove.
3170 (stack_pointer_delta): New macro.
3172 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3174 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3175 Reorder struct cpp_options and struct cpp_reader for better
3176 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3177 takes two args. Change all 'char' flags to 'unsigned char'.
3178 Move show_column flag into struct cpp_options. Don't
3179 prototype cpp_options_init.
3180 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3181 cppinit.c, cpplex.c, cpplib.c:
3182 Replace CPP_OPTIONS (pfile)->whatever with
3183 CPP_OPTION (pfile, whatever), and likewise for
3184 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3186 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3187 Extract CPP_OPTION (pfile, pending) and work with that
3189 (cpp_options_init): Delete.
3190 (cpp_reader_init): Turn on on-by-default options here.
3191 Allocate the pending structure here.
3192 (cl_options, enum opt_code): Define these from the same table,
3193 kept in a large macro. Add -fshow-column and -fno-show-column
3196 * cpperror.c (v_message): If show_column is off, don't print
3199 * cppmain.c: Update for new interface.
3200 * fix-header.c: Likewise.
3202 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3204 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3206 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3207 are passed to any invocation of AR_FOR_TARGET.
3208 (AR_CREATE_FOR_TARGET): New macro.
3209 (AR_EXTRACT_FOR_TARGET): New macro.
3210 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3211 AR_EXTRACT_FOR_TARGET.
3212 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3213 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3214 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3215 AR_EXTRACT_FOR_TARGET to sub-makes.
3217 2000-03-31 Neil Booth <NeilB@earthling.net>
3219 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3221 (_cpp_parse_expr): Check for multiple unary +/- operators.
3222 Correct priorities of ':' and '?'. Treat ')' as having a
3223 value. Ensure conditional expression is not void.
3225 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3227 * alias.c (canon_rtx): Make it global.
3228 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3230 * cse.c (struct table_elt): Add canon_exp.
3232 (invalidate): Canonicalize expressions only once.
3233 * rtl.h (canon_rtx): Declare.
3235 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3237 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3238 * alias.c (reg_known_value): Add comments.
3239 (init_alias_analysis): Likewise.
3240 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3242 (cse_basic_block): Fix typo in comment.
3243 * emit-rtl.c: Include hashtab.h.
3244 (const_int_htab): New variable.
3245 (const_int_htab_hash): New function.
3246 (const_int_htab_eq): Likewise.
3247 (rtx_htab_mark_1): Likewise.
3248 (rtx_htab_mark): Likewise.
3249 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3250 (unshare_all_rtx): Fix formatting.
3251 (init_emit_once): Initialize const_int_htab.
3252 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3254 * rtl.texi: Document the fact that all CONST_INTs with the same
3257 2000-03-30 Richard Henderson <rth@cygnus.com>
3259 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3261 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3263 * configure.in: Comment out --enable-c-cpplib stanza.
3264 * configure: Regenerate.
3266 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * expr.c (store_constructor): Properly compute displacement and
3269 alignment when offset is variable.
3271 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3272 cases of alignment in bytes.
3274 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3276 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3277 since it is used to generate c-parse.y.
3278 * objc-parse.c, objc-parse.y: Regenerated.
3280 * function.c (expand_function_end): Pass alignment argument to
3281 emit_block_move in bits, not bytes.
3283 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3285 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3288 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3290 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3291 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3292 * function.c (assign_parms): Likewise.
3293 * integrate.c (expand_inline_function): Likewise.
3294 * stmt.c (expand_decl): Likewise.
3295 (copy_rtx_and_substitute): Likewise.
3296 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3297 (clear_by_pieces): Fix error in last change.
3298 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3299 * function.h (regno_pointer_align): Now unsigned.
3300 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3302 * config/i386/i386.c (aligned_operand): Likewise.
3303 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3304 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3305 (unaligned_memory_operand): Likewise.
3306 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3307 Also make alignments and sizes unsigned and some whitespace cleanup.
3308 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3310 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3311 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3312 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3313 (expand_builtin_memset): Likewise, but to clear_storage.
3314 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3315 (restore_fixed_argument_area): Likewise.
3316 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3317 (load_register_parameters): Likewise, to emit_group_load.
3318 (expand_call): Likewise, to emit_group_store and emit_block_move.
3319 (emit_library_call_value_1): Likewise, to emit_block_move.
3320 (store_one_arg): Likewise, and to emit_push_insn.
3321 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3322 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3323 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3324 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3325 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3326 (expand_assigment, store_expr, store_constructor_field): Likewise.
3327 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3328 (store_constructor, store_field, get_inner_reference): Likewise.
3329 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3330 (expand_expr, case COMPONENT_REF): Likewise.
3331 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3332 and positions; reindent code.
3333 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3334 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3335 (assign_parms): Likewise to emit_group_store.
3336 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3337 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3338 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3339 (expand_return): Likewise to {extract,store}_bit_field.
3340 * stor-layout.c (get_mode_alignment): Minor cleanup.
3341 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3342 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3344 2000-03-29 Nick Clifton <nickc@cygnus.com>
3346 * config/arm/arm.h: Undo effects of previous delta:
3347 (ASM_SPEC): Do not define.
3348 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3350 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3353 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3355 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3356 only after reading in the primary source file.
3358 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3360 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3361 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3362 or a reference to a va_list.
3363 * builtins.c (stabilize_va_list): Simplify now we don't have to
3364 work around C array address decay.
3365 * c-typeck.c (convert_for_assignment): Handle assignment to
3366 a reference parameter by taking the address of the RHS.
3367 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3368 (va_copy): Likewise.
3369 (__va_copy): Likewise.
3370 * ginclude/varargs.h (va_start): Likewise.
3371 (__va_copy): Likewise.
3373 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3375 * i386/djgpp.h: Remove extraneous "+".
3377 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3379 * calls.c (expand_call): Fix typo in last change.
3381 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3383 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3386 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3388 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3389 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3390 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3391 * tree.c (bit_position, byte_position): Likewise.
3392 * tree.h: Declare new functions.
3394 2000-03-29 Nick Clifton <nickc@cygnus.com>
3396 * config/arm/arm.c: Minor formatting changes/
3397 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3399 (ASM_SPEC): Define if not already defined.
3401 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3403 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3406 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3408 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3409 value, don't output it as unsigned.
3411 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3413 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3415 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3417 * c-common.c (c_common_nodes_and_builtins): Don't special case
3418 cplus_mode when declaring builtin bzero/bcmp, always avoid
3419 prototype arguments.
3421 2000-03-29 Bruce Korb <bkorb@gnu.org>
3423 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3426 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3428 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3429 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3430 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3431 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3432 (save_fixed_argument_area, restore_fixed_argument_area):
3433 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3434 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3435 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3436 (precompute_register_parameters): Avoid #ifdefs on
3437 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3438 (stire_one_args): Likewise.
3439 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3440 (emit_library_call_value_1): Likewise.
3441 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3442 ACCUMULATE_OUTGOING_ARGS.
3443 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3445 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3446 (use_crosses_set_p): Likewise.
3447 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3448 #define ACCUMULATE_OUTGOING_ARGS 1.
3449 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3451 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3453 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3454 (TARGET_SWITCHES): Add push-args, no-push-args,
3455 accumulate-outgoing-args and no-accumulate-outgoing-args.
3456 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3457 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3458 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3460 (emit_push_insn): Likewise.
3461 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3462 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3463 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3464 (STACK_DYNAMIC_OFFSET): Define correctly for both
3465 ACCUMULATE_OUTGOING_ARGS and normal mode.
3466 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3467 * tm.texi (PUSH_ARGS): Document.
3468 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3470 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3472 * flags.h (flag_optimize_sibling_calls): Declare.
3473 * calls.c (expand_call): Fail sibcall when
3474 !flag_optimize_sibling_calls
3475 * invoke.texi (flag_optimize_sibling_calls): Document.
3476 * toplev.c (flag_optimize_sibling_calls): New global variable.
3477 (f_options): Add flag_optimize_sibling_calls.
3478 (rest_of_compilation): Conditionize
3479 optimize_sibling_and_tail_recursive_calls by
3480 flag_optimize_sibling_calls.
3481 (main): Set flag_optimize_sibling_calls for -O2.
3482 * stmt.c (expand_return): Conditionize tail recursion by
3483 flag_optimize_sibling_calls.
3485 2000-03-29 Richard Henderson <rth@cygnus.com>
3487 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3488 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3490 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3492 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3494 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3496 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3498 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3499 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3500 * config/rs6000/aix.h: then modified likewise.
3502 2000-03-28 Richard Henderson <rth@cygnus.com>
3504 * rtl.h: Redistribute enum reg_note documentation.
3505 Kill trailing whitespace.
3506 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3507 Kill trailing whitespace.
3509 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3511 * cppfiles.c (hash_IHASH): Just return i->hash.
3512 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3513 htab_find_with_hash.
3514 (cpp_read_file): Likewise.
3515 (find_include_file): Likewise. Properly initialize
3516 ih->nshort. Share ih->name and ih->nshort if possible.
3517 * cpphash.c (_cpp_calc_hash): New function.
3518 (hash_HASHNODE): Just return h->hash.
3519 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3520 htab_find_with_hash.
3521 * cpphash.h: Prototype _cpp_calc_hash.
3522 * cppinit.c (initialize_builtins): Provide a valid hash
3523 to _cpp_make_hashnode, using _cpp_calc_hash.
3525 * cpphash.c (collect_expansion): # is not a special character
3526 in object-like macros. In -traditional mode, /**/ is not
3527 token paste at the beginning or end of the line.
3528 * cpplib.c (do_include, do_import, do_include_next): If
3529 parse_include fails, return immediately.
3531 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3533 * config/arm/arm.md (return peepholes): Update to reflect the new
3535 * config/arm/arm.c (arm_volatile_func): Also check
3536 current_function_nothrow.
3537 (output_return_instruction, output_func_prologue): Use it.
3538 (arm_output_epilogue, arm_expand_prologue): Likewise.
3540 2000-03-27 Tom Tromey <tromey@cygnus.com>
3542 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3545 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3547 * expr.c (store_constructor): SIZE now signed.
3548 For EXPR_SIZE, don't evaluate size; just needed if constant.
3549 * fold-const.c (fold): Fix a number of cases when folded tree is
3551 * function.c (flush_addressof): Reenable.
3552 * tree.h (flush_addressof): Likewise.
3553 * toplev.c (independent_decode_option): Look at strings_processed.
3554 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3556 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3558 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3559 Allow stack adjustment after function call.
3561 * regmove.c (struct csa_memlist): Make mem field rtx *.
3562 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3563 (try_apply_stack_adjustment): Replace whole MEM rtx.
3564 (combine_stack_adjustments_for_block): Update calls
3565 to record_one_stack_ref.
3567 2000-03-28 Neil Booth <NeilB@earthling.net>
3569 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3570 '\\' rather than a null character, so nulls are not special. Fix
3571 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3572 speed trigraph conversion.
3573 (_cpp_init_input_buffer): Initialize trigraph map.
3575 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3577 * config/i386/i386.c (output_387_binary_op): Correct intel
3578 mode assembly output, and add spaces after commas in AT&T
3579 output. Correct Unixware assembler comment. Document input
3580 constraints. Comment fp operations. Reduce profligate buffer
3581 size. Remove extraneous abort. Localize temp var.
3582 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3583 (output_fix_trunc): Add spaces after commas in assembly output.
3585 2000-03-27 Richard Henderson <rth@cygnus.com>
3587 * i386-protos.h (ix86_match_ccmode): Declare.
3588 * i386.c (ix86_match_ccmode): New.
3589 (ix86_expand_fp_compare): Update for pattern renames.
3590 (ix86_expand_strlensi_unroll_1): Likewise.
3591 * i386.h (EXTRA_CC_MODES): Add CCZ.
3592 (SELECT_CC_MODE): Use it for EQ/NE zero.
3593 * i386.md (cmpsi_ccz_1): New.
3595 (*testsi_ccz_1): New.
3596 (testqi_ccz_1): New.
3597 (cmpsi_ccno_1): Rename from cmpsi_0.
3598 (testsi_ccno_1): Rename from testsi_1.
3599 (testqi_ccno_1): Rename from testqi_1.
3600 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3601 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3602 (*cmphi_0): Use ix86_match_ccmode.
3603 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3604 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3605 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3606 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3607 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3608 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3609 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3610 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3611 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3612 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3613 (appropriate peepholes): Likewise.
3614 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3615 (*subsi_3, *subhi_3, *subqi_3): Remove.
3616 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3617 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3618 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3619 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3620 (x86_shift_adj_1): Use CCZ.
3621 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3623 2000-03-27 Stan Cox <scox@cygnus.com>
3625 * resource.h (mark_resource_type): New.
3626 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3627 find_free_register): Use mark_resource_type.
3628 (mark_set_resources): Change include_delayed_effects
3629 to mark_resource_type.
3630 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3631 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3632 Use mark_resource_type.
3634 2000-03-27 Richard Henderson <rth@cygnus.com>
3636 * i386.md (call_pop_0, call_value_pop_0): New.
3637 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3638 (call_value_pop_1): Likewise.
3639 (call_0, call_value_0): New.
3640 (call_1, call_value_1): Remove constraint from unused arg.
3642 2000-03-27 Nick Clifton <nickc@cygnus.com>
3644 * invoke.texi (Spec Files): Document new spec % command created by
3645 Tom Tromey's recent patch.
3647 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3649 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3652 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3654 * expr.c (expand_assignment): Fix typo in last change.
3656 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3658 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3660 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3661 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3662 and DECL_INLINE if FUNCTION_DECL.
3663 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3664 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3665 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3666 (combine_parm_decls): Likewise.
3667 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3668 * print-tree.c (print_node): Likewise.
3669 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3670 DECL_TRANSPARENT_UNION on proper decl types.
3671 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3672 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3673 DECL_BIT_FIELD of FIELD_DECL.
3674 * tree.h (DECL_RESULT_FLD): New macro.
3676 * expr.c (expand_assignment): Add code to handle variable-sized
3679 2000-03-26 Richard Henderson <rth@cygnus.com>
3681 * calls.c (expand_call): Pass parms not original exp to
3682 optimize_tail_recursion. Mind return value instead of looking
3684 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3685 call_expr. Move checks for call_expr and current_function_decl ...
3686 (expand_return): ... here.
3688 2000-03-26 Tom Tromey <tromey@cygnus.com>
3690 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3691 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3693 (process_command): Use them.
3694 (check_live_switch): Likewise.
3695 (give_switch): Skip ignored switches.
3697 2000-03-26 Jan Hubicka <jh@suse.cz>
3699 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3700 for minimal jump pass test.
3702 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3704 * integrate.c (function_cannot_inline_p): Do inline functions that
3707 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3709 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3710 now a list of TREE_LIST entries, not types.
3711 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3713 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3714 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3716 * config/mips/mips.c (function_arg): Likewise; also remove cast
3717 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3718 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3719 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3720 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3721 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3722 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3723 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3724 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3725 num_adjusts now unsigned.
3726 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3727 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3729 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3730 as is BITPOS variable; use host_integerp and int_bit_position.
3731 (function_arg_record_value_2): Likewise.
3732 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3733 Variable REGNO now unsigned.
3734 (function_arg_record_value): NREGS now unsigned.
3736 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3738 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3740 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3742 * Rework fields used to describe positions of bitfields and
3743 modify sizes to be unsigned and use HOST_WIDE_INT.
3744 * alias.c (reg_known_value_size): Now unsigned.
3745 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3746 (really_start_incremental_init): Use bitsize_zero_node.
3747 (push_init_level, pop_init_level, output_init_element): Likewise.
3748 Use bitsize_unit_node and bitsize_one_node.
3749 (output_pending_init_elements, process_init_element): Likewise.
3750 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3751 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3752 HOST_WIDE_INT, respectively.
3753 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3754 (num_sign_bit_copies): Returns unsigned.
3755 BITWIDTH now unsigned; rework arithmetic.
3756 Remove recursive call from arg to MAX.
3757 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3758 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3760 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3761 (find_split_point, expand_compound_operation, make_extraction): LEN
3762 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3763 (make_field_assignment): Likewise.
3764 (combine_simplify_rtx): Add cast.
3765 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3766 (force_to_mode): WIDTH now unsigned; add cast.
3767 (if_then_else_cond): SIZE now unsigned.
3768 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3769 (extended_count): Now returns unsigned.
3770 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3771 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3772 (simplify_comparison): MODE_WIDTH now unsigned.
3773 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3774 (mark_used_regs_combine): Likewise; rework arithmetic.
3775 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3776 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3777 (record_promoted_value): REGNO now unsigned.
3778 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3779 (get_last_value): REGNO now unsigned.
3780 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3781 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3782 (remove_death): Arg REGNO now unsigned.
3783 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3784 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3786 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3787 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3788 (struct cse_reg_info): REGNO now unsigned.
3789 (cached_regno): Now unsigned.
3790 (REGNO_QTY_VALID_P): Add cast.
3791 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3792 (remove_invalid_regs): Likewise.
3793 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3794 as are variables END and I.
3795 (get_cse_reg_info, insert): Likewise.
3796 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3797 (canon_hash): Likewise.
3798 (insert_regs, lookup_for_remove): REGNO now unsigned.
3799 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3801 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3802 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3803 * emit-rtl.c (subreg_realpart_p): Add cast.
3804 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3805 (operand_subword_force): Arg I is now unsigned.
3806 * except.c (eh_regs): Variable I is now unsigned.
3807 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3808 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3809 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3810 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3811 (extract_split_bit_field, store_bit_field, extract_bit_field):
3813 * expr.c (store_constructor_fields, store_constructor, store_field):
3814 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3815 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3816 (do_jump): Likewise.
3817 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3818 MAX_SIZE is now unsigned.
3819 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3820 (emit_group_store): Likewise.
3821 (emit_move_insn): I now unsigned.
3822 (store_constructor): Use host_integerp, tree_low_cst, and
3824 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3825 Rework all calculations to use trees and new fields.
3826 * expr.h (promoted_input_arg): Regno now unsigned.
3827 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3828 (mark_seen_cases): Arg is HOST_WIDE_INT.
3829 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3830 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3831 precisions and alignments are unsigned.
3832 (optimize_bit_field_compare, fold_truthop): Likewise.
3833 (int_const_binop): Adjust threshold for size_int_type_wide call.
3834 (fold_convert): Likewise.
3835 (size_int_type_wide): Make table larger and fix thinko that only
3836 had half of table used.
3837 (all_ones_mask_p, fold): Precisions are unsigned.
3838 * function.c (put_reg_info_stack): REGNO is unsigned.
3839 (instantiate_decl): Size is HOST_WIDE_INT.
3840 (instantiate_virtual_regs): I is unsigned.
3841 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3842 (promoted_input_arg): REGNO is unsigned.
3843 * function.h (struct function): x_max_parm_reg is now unsigned.
3844 * gcse.c (max_gcse_regno): Now unsigned.
3845 (struct null_pointer_info): min_reg and max_reg now unsigned.
3846 (lookup_set, next_set): REGNO arg now unsigned.
3847 (compute_hash_table): REGNO and I now unsigned.
3848 (handle_avail_expr): regnum_for_replacing now unsigned.
3849 (cprop_insn): REGNO now unsigned.
3850 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3851 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3852 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3853 * hard-reg-set.h (reg_class_size): Now unsigned.
3854 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3855 * jump.c (mark_modified_reg): I now unsigned; add cast.
3856 (rtx_equal_for_thread_p): Add cast.
3857 * loop.c (max_reg_before_loop): Now unsigned.
3858 (struct_movable): REGNO now unsigned.
3859 (try_copy_prop): REGNO arg unsigned.
3860 (regs_match_p): XN and YN now unsigned.
3861 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3862 (strength_reduce): Likewise; NREGS also unsigned.
3863 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3864 * loop.h (struct iv_class): REGNO now unsigned.
3865 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3867 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3868 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3869 * optabs.c (expand_binop): I and NWORDS now unsigned.
3870 (expand_unop): I now unsigned.
3871 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3872 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3873 * real.c (significand_size): Now returns unsigned.
3874 * real.h (significand_size): Likewise.
3875 * regclass.c (reg_class_size): Now unsigned.
3876 (choose_hard_reg_mode): Both operands now unsigned.
3877 (record_reg_classes): REGNO and NR now unsigned.
3878 (reg_scan): NREGS now unsigned.
3879 (reg_scan_update): old_max_regno now unsigned.
3880 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3881 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3882 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3883 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3884 Likewise for variable R.
3885 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3886 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3887 (find_equiv_reg): Add casts.
3888 (regno_clobbered_p): Arg REGNO now unsigned.
3889 * reload.h (struct reload): NREGS now unsigned.
3890 (refers_to_regno_for_reload_p): Regno args are unsigned.
3891 (regno_clobbered_p): Likewise.
3892 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3893 (compute_use_by_pseudos): REGNO now unsigned.
3894 (find_reg): I and J now unsigned, new variable K, and change loop
3895 variables accordingly; THIS_NREGS now unsigned.
3896 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3897 (spill_hard_reg): REGNO arg now unsigned; add casts.
3898 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3899 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3900 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3901 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3902 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3903 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3904 (emit_reload_insns): REGNO now unsigned.
3905 (reload_cse_move2add): Add cast.
3906 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3908 * resource.c (mark_referenced_resources, mark_set_resources): New
3909 variable R; REGNO and LAST_REGNO now unsigned.
3910 (mark_target_live_regs): J and REGNO now unsigned.
3911 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3912 * rtl.h (union rtunion_def): New field rtuint.
3913 (XCUINT): New macro.
3914 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3915 (operand_subword, operand_subword_force): Word number is unsigned.
3916 (choose_hard_reg_mode): Operands are unsigned.
3917 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3918 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3919 (regno_use_in, combine_instructions, remove_death): Likewise.
3920 (reg_scan, reg_scan_update): Likewise.
3921 (extended_count): Return is unsigned.
3922 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3923 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3924 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3925 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3926 (reg_reg_last_1): FIRS and LAST now unsigned.
3927 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3928 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3930 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3931 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3932 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3933 (replace_regs): Arg NREGS now unsigned.
3934 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3935 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3936 (simplify_binary_operation): Likewise.
3937 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3938 THIS_LAST now unsigned.
3939 (cselib_record_set): Add cast.
3940 * ssa.c (ssa_max_reg_num): Now unsigned.
3941 (rename_block): REGNO now unsigned.
3942 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3944 (all_cases_count): Just return -1 not -2.
3945 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3946 Rework tests to use trees whenever possible.
3947 Use host_integerp and tree_low_cst.
3948 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3949 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3950 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3951 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3952 (smallest_mode_for_size): Likewise.
3953 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3954 KNOWN_ALIGN is now an alignment, so simplify code.
3955 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3956 (start_record_layout): Renamed from new_record_layout_info.
3957 Update to new fields.
3958 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3960 (place_union_field): Renamed from layout_union_field.
3961 Update to use new fields in rli.
3962 (place_field): Renamed from layout_field.
3963 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3964 (finalize_record_size): Rework to use new fields in rli and handle
3966 (compute_record_mode): Rework to simplify and to use new DECL fields.
3967 (finalize_type_size): Make rounding more consistent.
3968 (finish_union_layout): Deleted.
3969 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3970 (layout_type, case RECORD_TYPE): Call new function names.
3971 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3972 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3973 (get_best_mode): UNIT is now unsigned; remove casts.
3974 * tree.c (bit_position): Compute from new fields.
3975 (byte_position, int_byte_position): New functions.
3976 (print_type_hash_statistics): Cast to remove warning.
3977 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3978 (build_index_type): Likewise; make subtype of sizetype.
3979 (build_index_2_type): Pass sizetype to build_range_type.
3980 (build_common_tree_nodes): Use size_int and bitsize_int to
3981 initialize nodes; add bitsize_{zero,one,unit}_node.
3982 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3983 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3984 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3985 (DECL_FIELD_BITPOS): Deleted.
3986 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3987 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3988 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3989 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3990 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3991 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3992 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3993 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3994 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3995 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3996 (DECL_ALIGN): Adjust to new field in union.
3997 (DECL_OFFSET_ALIGN): New field.
3998 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3999 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4000 (union tree_decl): Add struct for both aligns.
4001 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4002 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4003 (struct record_layout_info): Rework fields to have offset
4004 alignment and byte and bit position.
4005 (start_record_layout, place_field): Renamed from old names.
4006 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4007 (byte_position, int_byte_position): Likewise.
4008 (get_inner_reference): Change types of position and length.
4009 * unroll.c (unroll_loop): New variable R; use for some loops.
4010 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4011 (calculate_giv_inc): Arg REGNO now unsigned.
4012 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4013 * varasm.c (assemble_variable): Clean up handling of size using
4014 host_integerp and tree_low_cst.
4015 (decode_addr_const): Use byte, not bit, position.
4016 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4017 use tree_low_cst and int_bit_position.
4018 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4020 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4022 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4023 (reorder_block_def): New members eff_head and eff_end.
4024 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4025 (verify_insn_chain): New function.
4026 (skip_insns_between_block): Add code to skip deleted insns.
4027 Check for note before using.
4028 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4029 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4030 Check for note before using.
4031 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4032 (fixup_reorder_chain): Restructure, clean up, defect removal.
4033 (reorder_basic_blocks): Remove last_insn and references to it.
4034 Moved insn chain verification code into a new function (see above).
4035 Delete defective code that sets last insn.
4036 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4039 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4041 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4043 2000-03-24 Richard Henderson <rth@cygnus.com>
4045 * tree.c (lang_safe_for_unsave): Remove.
4046 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4047 allowing for two levels of unsafeness. Remove lang hook.
4048 * tree.h: Update declarations.
4049 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4050 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4051 Always fail sibcalls when there are pending cleanups.
4053 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4055 * flow.c (propagate_block): When we delete an ADDR_VEC,
4056 also delete the BARRIER following it if there is one.
4058 2000-03-24 Richard Henderson <rth@cygnus.com>
4060 * builtins.c (expand_builtin_bzero): Convert `length' argument
4063 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4065 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4066 comparison if regno's are equal.
4067 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4068 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4069 (expand_call): Update caller.
4070 Avoid making a sibling call if argument size of the callee is larger
4071 than argument size of the caller.
4072 Call hard_function_value with outgoing set if in sibcall pass.
4073 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4075 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4076 Change LEAF_REGISTERS from an array initializer to actual array
4077 identifier. Move static global variable into the function.
4078 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4079 sequences for leaf functions.
4080 * global.c (global_alloc): Likewise.
4081 * tm.texi (LEAF_REGISTERS): Update documentation.
4083 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4084 TARGET_FLAT leaf disabling hack.
4085 (LEAF_REGISTERS): Changed from an array initializer to actual array
4086 identifier to avoid duplication and remove the above hack.
4087 (FUNCTION_OK_FOR_SIBCALL): Define.
4088 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4089 always like call attribute.
4090 (eligible_for_sibcall_delay): New attribute.
4091 (sibcall): New delay type.
4092 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4093 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4094 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4095 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4096 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4098 (output_function_epilogue): Move part of the code into
4099 output_restore_regs.
4100 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4102 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4105 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4106 until infrastructure is finished.
4108 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4110 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4111 (save_parm_insns): Not here.
4113 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4115 * builtins.c (expand_builtin_bzero): New function.
4116 (expand_builtin): Handle bzero.
4118 * builtins.def: Add BUILT_IN_BZERO.
4120 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4121 prototype & function for bzero.
4123 2000-03-23 Michael Meissner <meissner@redhat.com>
4125 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4126 change adding TARGET_FP to the TF floating point insns, except for
4127 trunctfsf2, which generates direct calls to truncdfsf2.
4129 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4131 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4132 try to protect against middle-end changes that break binary
4134 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4136 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4138 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4140 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4142 * calls.c (expand_call): If TARGET is passed by reference and
4143 is readonly, write a CLOBBER.
4145 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4147 * builtins.c (expand_builtin): Handle bcmp.
4149 * builtins.def: Add BUILT_IN_BCMP.
4151 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4152 prototype & function for bcmp.
4154 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4156 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4157 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4158 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4160 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4162 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4163 alternative when using -fp64 -gp32.
4165 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4167 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4168 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4169 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4171 * frame.h (frame_state): Revert last change.
4172 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4173 * libgcc2.c (throw_helper): Revert last change.
4175 2000-03-22 Richard Henderson <rth@cygnus.com>
4177 * stmt.c (expand_asm_operands): Don't promote the temporary.
4179 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4181 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4182 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4183 c_get_alias_set): Likewise.
4184 * c-decl.c (duplicate_decls): Likewise.
4185 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4186 * calls.c (initialize_argument_information): Likewise.
4187 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4189 * dwarfout.c (decl_class_context,output_type): Likewise.
4190 * expr.c (get_inner_reference): Likewise.
4191 * fold-const.c (simple_operand_p,fold): Likewise.
4192 * function.c (aggregate_value_p): Likewise.
4193 * stmt.c (expand_asm_operands): Likewise.
4194 * varasm.c (named_section): Likewise.
4196 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4198 Implement dwarf2 exception handling for the ARM.
4199 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4200 (DWARF_FRAME_RETURN_COLUMN): Define.
4201 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4202 REG_FRAME_RELATED_EXPR note.
4203 (emit_sfm): Likewise.
4204 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4205 * dwarf2out.c (reg_save): Handle saving a register to itself.
4206 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4207 * except.c (eh_regs): Don't use the static chain reg if it's
4209 * frame.h (frame_state): Add cfa_saved field.
4210 * frame.c (execute_cfa_insn): Set it.
4211 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4213 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4215 (instantiate_virtual_regs): Adjust.
4217 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4218 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4219 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4221 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4222 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4224 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * builtins.def: New file.
4228 * Makefile.in (TREE_H): Depend on builtins.def.
4230 * builtins.c (built_in_names): Use builtins.def.
4232 * tree.h (built_in_function): Likewise.
4234 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4236 * tree.c (size_in_bytes): Return size_zero_node, not
4239 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4241 * config/fp-bit.c (pack_d): Correct the case when a denormal
4242 is rounded up and stops being denormal.
4244 2000-03-21 Richard Henderson <rth@cygnus.com>
4246 * config/alpha/alpha.c (function_arg): Check for void_type_node
4247 before using MUST_PASS_IN_STACK.
4249 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4251 * regmove.c (combine_stack_adjustments_for_block): Check that
4252 the stack pointer is a valid memory address.
4254 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4256 * calls.c: re-install Mar 16 emit_library_call merge.
4258 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4260 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4261 we cannot be sure that if reload_completed base register will
4262 be properly aligned.
4264 2000-03-21 Richard Henderson <rth@cygnus.com>
4266 * flow.c (delete_block): Fix typo last change.
4268 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4270 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4271 not COMPLETE_TYPE_P, to check the type of the expression.
4273 2000-03-21 Michael Meissner <meissner@redhat.com>
4275 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4276 all floating point insns that just tested the macro
4277 TARGET_HAS_XFLOATING_LIBS.
4278 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4279 used to only use the gprs.
4281 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4283 * tree.h (COMPLETE_TYPE_P): New macro.
4284 (COMPLETE_OR_VOID_TYPE_P): New macro.
4285 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4286 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4287 * c-aux-info.c (gen_type): Use them.
4288 * c-common.c (c_expand_expr_stmt): Likewise.
4289 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4290 grokdeclarator, grokparms, finish_struct, start_function,
4291 store_parm_decls, combine_parm_decls): Likewise.
4292 * c-parse.y (cast_expr): Likewise.
4293 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4294 c_size_in_bytes, c_alignof, build_component_ref,
4295 build_indirect_ref, build_array_ref, convert_arguments,
4296 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4297 * calls.c (initialize_argument_information): Likewise.
4298 * convert.c (convert_to_integer): Likewise.
4299 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4300 * dwarfout.c (location_or_const_value_attribute,
4301 output_enumeration_type_die, output_structure_type_die,
4302 output_union_type_die, output_type): Likewise.
4303 * expr.c (safe_from_p, expand_expr): Likewise.
4304 * function.c (assign_parms): Likewise.
4305 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4306 * tree.c (build_array_type, build_function_type,
4307 build_method_type, build_offset_type, build_complex_type): Likewise.
4308 * c-parse.c, c-parse.h: Regenerated.
4310 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4312 * config/c4x/rtems.h: Include config/rtems.h.
4314 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4316 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4317 decl is a FUNCTION_DECL
4319 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4321 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4322 function uses output registers. Don't save RP for leaf functions.
4323 Do save RP even if no epilogue.
4324 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4325 (CALL_USED_REGISTERS): Unmark in registers.
4326 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4329 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4331 * config/rs6000/rs6000.md (bunordered): New expander.
4332 (bordered): New expander.
4333 (buneq): New expander.
4334 (bunge): New expander.
4335 (bungt): New expander.
4336 (bunle): New expander.
4337 (bunlt): New expander.
4338 (bltgt): New expander.
4340 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4341 (ccr_bit_negated_p): New function.
4342 (print_operand): For %C, generate appropriate cror for UNEQ,
4343 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4345 2000-03-20 Andreas Jaeger <aj@suse.de>
4347 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4350 * tree.h (safe_for_unsave): Prototype.
4352 2000-03-20 Richard Henderson <rth@cygnus.com>
4354 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4355 (combine_stack_adjustments_for_block): Don't allow sp references
4356 in the side of a set we're not fixing up.
4357 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4358 after life_analysis.
4360 2000-03-20 Richard Henderson <rth@cygnus.com>
4362 * calls.c (expand_call): Don't bother generating tail call
4363 sequences if there are pending cleanups. Use
4364 expand_start_target_temps/expand_end_target_temps to elide
4365 cleanups created during sibcall expansion.
4367 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4369 * configure.in: Set $IFS to a value if it doesn't already have one
4370 in the --enable-checking handling.
4371 * configure: Regenerate.
4373 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4375 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4376 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4379 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4381 * jump.c (delete_noop_moves): Remove code attempting to
4382 combine stack adjustments.
4384 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4386 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4387 * except.c (emit_cleanup_handler): Use them.
4388 (expand_end_all_catch): Likewise.
4389 * function.c (fixup_var_refs): Likewise.
4390 (expand_function_end): Clear catch_clauses_last.
4391 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4392 * except.h (struct eh_status): New field x_catch_clauses_last.
4393 (catch_clauses_last): New define.
4395 * Makefile.in (tree.o): Depend on HASHTAB_H.
4396 * tree.c: Include hashtab.h.
4397 (struct type_hash): Remove next field.
4398 (TYPE_HASH_SIZE): Remove.
4399 (TYPE_HASH_INITIAL_SIZE): New define.
4400 (type_hash_table): Change type to htab_t.
4401 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4402 mark_hash_entry): New functions.
4403 (init_obstacks): Allocate type hash.
4404 (type_hash_lookup): Use htab functions.
4405 (type_hash_add, mark_type_hash): Likewise.
4406 (dump_tree_statistics): Call print_type_hash_statistics.
4408 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4410 * rs6000/t-aix41: New file.
4412 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4414 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4416 * tm.texi (Driver): Fix typos and tweak entry for
4418 Move misplaced STRUCT_FORCE_BLK entry ...
4419 (Storage Layout): ... to here.
4420 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4422 2000-03-19 Richard Henderson <rth@cygnus.com>
4424 * flow.c (delete_block): Delete the addr_vec along with the block.
4425 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4428 * fold-const.c (extract_muldiv): Apply type check for defined
4429 overflow to multiply as well as divide.
4431 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4433 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4435 * emit-rtl.c (remove_unncessary_notes): Check that all
4436 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4437 associated NOTE_BLOCK.
4438 * function.h (identify_blocks): Update comments.
4439 (reorder_blocks): Declare.
4440 * function.c (identify_blocks): Don't take paramters.
4441 (reorder_blocks): Don't take parameters.
4442 * loop.h (find_loop_tree_blocks): Remove.
4443 (unroll_block_trees): Likewise.
4444 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4445 reorder_blocks instead of unroll_block_trees.h
4446 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4447 * stmt.c (find_loop_tree_blocks): Remove.
4448 (unroll_block_trees): Likewise.
4449 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4450 in whole-function mode.
4451 * tree.h (reorder_blocks): Remove declaration.
4453 * expr.c: Include intl.h.
4454 * Makefile.in (expr.o): Depend on intl.h.
4456 2000-03-18 Richard Henderson <rth@cygnus.com>
4458 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4460 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4462 * tree.h (tree_index): Remove enumerals for integer types.
4463 (integer_type_kind): New type.
4464 (integer_types): New variable.
4465 (char_type_node): Adjust.
4466 (signed_char_type_node): Likewise.
4467 (unsigned_char_type_node): Likewise.
4468 (short_integer_type_node): Likewise.
4469 (short_unsigned_type_node): Likewise.
4470 (integer_type_node): Likewise.
4471 (unsigned_type_node): Likewise.
4472 (long_integer_type_node): Likewise.
4473 (long_unsigned_type_node): Likewise.
4474 (long_long_integer_type_node): Likewise.
4475 (long_long_unsigned_type_node): Likewise.
4476 * tree.c (integer_types): New variable.
4477 (init_obstacks): Register it as a root.
4479 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4481 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4482 NEXT_INSN. Update last insn in chain.
4484 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4486 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4487 with TYPE_DECL_SUPPRESS_DEBUG set.
4489 2000-03-18 Richard Henderson <rth@cygnus.com>
4491 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4493 2000-03-18 Richard Henderson <rth@cygnus.com>
4495 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4496 care for HALF_PIC_P.
4497 (expander_call_insn_operand): Remove.
4498 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4499 * i386.h (PREDICATE_CODES): Update.
4500 * i386.md (all call expanders): Remove predicates, remove special
4501 handling for half-pic.
4502 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4503 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4504 (sibcall_epilogue): New.
4506 2000-03-17 Richard Henderson <rth@cygnus.com>
4508 * rtlanal.c (single_set): Reject if the parallel has anything
4509 except SET or USE or CLOBBER.
4511 2000-03-17 Jeff Law <law@cygnus.com>
4512 Richard Henderson <rth@cygnus.com>
4514 * Makefile.in (OBJS): Add sibcall.o.
4516 * sibcall.c: New file.
4517 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4518 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4519 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4520 Emit sibcall patterns when requested. Update all callers.
4521 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4522 elimination seems feasable.
4523 * final.c (leaf_function_p): Sibling calls don't discount being
4525 * flow.c (HAVE_sibcall_epilogue): Provide default.
4526 (find_basic_blocks_1): Sibling calls don't throw.
4527 (make_edges): Make edge from sibling call to EXIT.
4528 (propagate_block): Don't remove sibcall_epilogue insns.
4529 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4530 (sibcall_epilogue): New.
4531 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4532 (identify_blocks_1): Likewise. Break out from ...
4533 (identify_blocks): ... here.
4534 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4535 (reorder_blocks): ... here.
4536 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4537 (record_insns): Extend a varray instead of mallocing new memory.
4538 (contains): Read a varray not array of ints.
4539 (sibcall_epilogue_contains): New.
4540 (thread_prologue_and_epilogue_insns): Emit and record
4541 sibcall_epilogue patterns.
4542 (init_function_once): Allocate prologue/epilogue varrays.
4543 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4544 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4546 (save_for_inline_nocopy): ... here.
4547 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4549 (expand_inline_function): ... here.
4550 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4551 (subst_constants): Handle 'n' formats.
4552 * jump.c (jump_optimize_minimal): New.
4553 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4554 optimizations if it's set.
4555 * rtl.c (copy_rtx): Do copy jump & call for insns.
4556 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4557 (SIBLING_CALL_P): New.
4558 (sibcall_use_t): New.
4559 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4560 Invoke optimize_sibling_and_tail_recursive_calls.
4561 * tree.c (lang_safe_for_unsave): New.
4562 (safe_for_unsave): New.
4563 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4565 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4566 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4567 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4569 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4571 * objc/objc-act.c (encode_method_prototype): Pass types, not
4572 PARM_DECLs, to int_size_in_bytes.
4574 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4576 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4578 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4579 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4581 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4583 * Clean up usages of TREE_INT_CST_LOW.
4584 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4585 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4587 * c-tree.h (min_precision): Move declaration to here.
4588 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4589 (build_unary_op, add_pending_init): Use bit_position.
4590 (pending_init_member, process_init_element): Likewise.
4591 (really_start_incremental_init, push_init_level, pop_init_level):
4592 Don't make copies of nodes or modify them in place, use consistent
4593 types when tracking positions, and use tree routines computations.
4594 (set_init_index, output_init_element): Likewise.
4595 (output_pending_init_elements, process_init_element): Likewise.
4596 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4597 tree_low_cst and int_bit_position; also minor cleanup.
4598 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4599 (print_cst_octal): Precision is unsigned.
4600 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4601 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4602 (simple_type_align_in_bits): Result is unsigned int.
4603 Use tree_int_low_cst and host_integerp.
4604 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4605 (field_byte_offset): Result is HOST_WIDE_INT.
4606 Change types of internal variables so alignments are unsigned int,
4607 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4608 Use host_integerp, tree_low_cst, and int_bit_position.
4609 (add_bit_offset_attribute): Likewise.
4610 (add_data_member_location_attribute): Use tree_cst_low.
4611 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4612 (add_bit_size_attribute): Use tree_low_cst.
4613 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4614 * dwarfout.c: Similar changes to dwarf2out.c.
4615 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4616 * genoutput.c (n_occurences): Return -1 for null string.
4617 (strip_whitespace): Accept null string and make into function.
4618 (scan_operands): Reflect above changes.
4619 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4620 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4621 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4622 * tree.c (int_size_in_bytes): Check for too big to represent.
4623 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4624 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4626 (min_precision): Delete from here.
4627 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4628 and int_bit_position.
4629 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4630 (encode_method_def): Likewise.
4631 (build_ivar_list_initializer): Use int_bit_position.
4632 (generate_shared_structures): Convert size.
4633 (encode_type, encode_complete_bitfield): Use integer_zerop.
4634 (encode_bitfield): Use tree_low_cst and int_bit_position.
4636 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4638 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4640 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4642 * call.c (special_function_p): It is only malloc if it returns
4645 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4647 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4648 (C33_FLAG, TARGET_C3X): Add macros.
4649 (TARGET_SWITCHES): Add -m33 option.
4650 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4652 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4654 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4655 (PARALLEL_PACK_FLAG): Delete.
4656 (TARGET_SWITCHES): Update.
4657 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4659 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4661 * fold-const.c (fold): Fix a few cases when the returned result
4662 is not of the same type as the input.
4664 2000-03-16 Nick Clifton <nickc@cygnus.com>
4666 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4669 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4671 * libgcc2.h: Move prototypes above macros with the same name.
4672 Wrap some function prototypes in the conditional which indicates
4673 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4675 2000-03-16 Richard Henderson <rth@cygnus.com>
4677 * calls.c: Revert last two changes.
4679 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4681 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4682 has exponent 0 is a zero.
4684 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4685 HASH may already be nonzero. Add code/mode into hash value
4686 immediately after repeat label.
4687 (cselib_lookup): Don't leave the hash table in an inconsistent
4688 state before a hash lookup operation.
4690 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4692 * i386.md (all HI and QI mode non-move patterns): Conditionize
4693 by TARGET_[HQ]IMODE_MATH.
4694 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4695 x86_promote_qi_regs): Declare.
4696 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4697 TARGET_PROMOTE_QI_REGS): New macros.
4698 (PROMOTE_MODE): New macro.
4699 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4700 x86_promote_qi_regs): New global variables.
4702 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4704 * calls.c (emit_library_call_value_1): Break out from ...; handle
4705 VOIDmode function calls too.
4706 (emit_library_call_value): ... here.
4707 (emit_library_call): Implement by calling emit_library_call_value_1.
4709 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4711 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4712 Update arg_space_so_far on stack adjustments.
4713 (emit_library_call, emit_library_call_value): Likewise; take into
4714 account arg_space_so_far and pending_stack_adjust when calculcating
4717 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4719 * flow.c: Move all basic block reordering code into its own file.
4720 (create_basic_block): Externalize.
4721 * bb-reorder.c: New file. Copy all basic block reordering code from
4722 flow.c to this file.
4723 (reorder_basic_blocks): Fix fencepost error in for-loop.
4724 (reorder_basic_blocks): Remove braces from single statement for-loops.
4725 * basic-block.h: Add declaration for create_basic_block.
4726 * Makefile.in: Add rules for bb-reorder.o.
4728 2000-03-16 Neil Booth <NeilB@earthling.net>
4730 * cppinit.c (handle_option): Implement #unassert directive
4731 as -A- command line option.
4732 (print_help): Update.
4733 * cpptexi.c: Update.
4735 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4737 * md.texi (Standard Names): Document `jump'.
4739 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4741 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4744 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4746 Merge changes from newppc-branch onto trunk.
4748 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4750 * rs6000.c (toc_hash_table): Update for new hash table functions.
4751 (toc_hash_function): Likewise.
4752 (toc_hash_eq): Likewise.
4753 (toc_hash_mark_entry): Likewise.
4754 (toc_hash_mark_table): Likewise.
4755 (output_toc): Likewise.
4756 (rs6000_add_gc_roots): Likewise.
4758 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4760 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4761 (AR_FLAGS_FOR_TARGET): here. New macro.
4763 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4765 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4766 fpmem_operand) Delete.
4768 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4769 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4770 (rs6000_save_machine_status, rs6000_restore_machine_status,
4771 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4772 references to above variables.
4773 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4774 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4775 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4776 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4777 (XER_REGNO_P, XER_REGNO): New.
4778 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4779 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4780 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4782 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4783 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4784 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4786 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4788 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4789 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4790 * rs6000.h: from here.
4792 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4793 (rs6000_select_rtx_section): Likewise.
4794 (rs6000_encode_section_info): Likewise.
4795 (sdata_section): Likewise.
4796 (sdata2_section): Likewise.
4797 (sbss_section): Likewise.
4798 * sysv4.h (rs6000_select_section): Delete prototype.
4799 (rs6000_select_rtx_section): Likewise.
4800 (rs6000_encode_section_info): Likewise.
4801 (sdata_section): Likewise.
4802 (sdata2_section): Likewise.
4803 (sbss_section): Likewise.
4804 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4806 * sysv4.h: Delete various unnecessary #undef's and put a comment
4807 on the remaining ones.
4808 Change various comments according to coding standard.
4810 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4812 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4813 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4814 (CR0_REGNO_P) Remove.
4815 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4816 setup_incoming_varargs, mtcrf_operation, print_operand,
4817 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4818 Use the above macros.
4820 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4822 * config/rs6000/rs6000.md: Added a new alternative for each
4823 pattern that had a 'x' alternative but no 'y' alternative.
4824 Added a new split for each of the above patterns.
4826 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4828 * aix41.h (ASM_CPU_SPEC): Delete.
4829 (CPP_CPU_SPEC): Delete.
4831 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4832 (ASM_OUTPUT_LABEL): Define.
4833 (ASM_GLOBALIZE_LABEL): Define.
4834 (STRIP_NAME_ENCODING): Define.
4835 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4836 (STRIP_NAME_ENCODING): Don't define.
4837 (ASM_OUTPUT_LABEL): Don't define.
4838 (ASM_GLOBALIZE_LABEL): Don't define.
4839 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4840 names, and ASM_OUTPUT_LABEL to output labels, rather than
4842 (ASM_OUTPUT_LABEL): Define.
4843 (ASM_OUTPUT_INT): Use assemble_name.
4844 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4845 (STRIP_NAME_ENCODING): Don't undefine first.
4846 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4848 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4849 specified with 'asm' even with -fleading-underscore.
4850 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4851 (output_epilog): Likewise.
4852 (output_toc): Likewise.
4853 * tramp.asm: Handle -fleading-underscore correctly.
4855 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4857 (nonlocal_goto_receiver): Delete.
4858 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4860 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4861 (SET_ASM_OP): Define.
4862 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4864 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4867 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4868 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4870 * rs6000.h: Add 'u' to more constants.
4872 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4874 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4876 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4878 * rs6000.c (reg_or_u_cint_operand): New function.
4879 (logical_operand): Handle 64-bit hosts.
4880 (logical_u_operand): New function.
4881 (non_logical_cint_operand): Handle 64-bit hosts.
4882 (non_logical_u_cint_operand): New function.
4883 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4884 (PREDICATE_CODES): Define new functions.
4885 * rs6000-protos.h: Declare new functions.
4886 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4887 (movdi_64): Bracket code intended for 64-bit hosts. Create
4888 CONST_DOUBLE for 32-bit values.
4889 (scc insns): Generate DImode compares.
4890 (mfcr insns): Create DImode versions.
4891 (sge matchers): New patterns.
4893 2000-02-15 Gabriel Paubert <paubert@iram.es>
4895 * rs6000.md: Correct instructions length attributes and
4896 constraints on unsigned compare instructions.
4897 (*ne0): Disable for PowerPC64.
4899 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4901 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4902 quantity, fix profile1.C test failure under -fPIC.
4904 * rs6000.c: Add 'u' to many constants to suppress warnings.
4905 (constant_pool_expr_1): Make static.
4906 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4907 * rs6000.h: Add 'u' to many constants to suppress warnings.
4909 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4910 for the start of the TOC, instead of LCTOC..0.
4911 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4913 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4914 (load_toc_aix_di): Use LCTOC..1.
4916 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4917 * rs6000.c (rs6000_legitimize_address): New function from
4918 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4919 symbols in the constant pool that really are TOC references.
4920 (print_operand_address): For ELF, write TOC offsets under
4921 -fPIC as subtractions in the insn.
4922 (output_toc): For ELF, define symbols in TOC as normal labels,
4924 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4925 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4926 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4927 * rs6000.md (movsi): Only use create_TOC_reference on
4928 symbols in the constant pool that really are TOC references.
4930 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4931 * rs6000.c (rs6000_reorg): Delete.
4932 * rs6000-protos.h (rs6000_reorg): Delete.
4934 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4936 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4938 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4939 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4940 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4941 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4942 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4943 rs6000_aix_emit_builtin_unwind_init.
4944 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4945 rs6000_emit_eh_toc_restore on AIX.
4946 (return_eh_si): Use r2.
4947 (return_eh_di): Use r2.
4949 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4950 since we're breaking binary compatibility anyway.
4952 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4954 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4955 constant_pool_expr_p): Declare them.
4956 (constant_pool_expr_p): Declare it.
4957 * config/rs6000/rs6000.c (toc_label_name): Define.
4958 (rs6000_override_options): Set toc_label_name.
4959 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4960 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4961 uses_TOC): New functions.
4962 (print_operand): Delete old '*' case.
4963 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4964 and strip off rtl for TOC before calling output_addr_const.
4965 (rs6000_emit_load_toc_table): Use toc_label_name.
4966 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4968 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4969 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4970 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4971 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4972 into explicit TOC_REGISTER offsets.
4973 (TOC_REGISTER): New macro.
4974 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4975 TARGET_TOC to reference TOC_REGISTER.
4976 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4977 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4978 uses_TOC before emitting label references.
4980 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4982 * rs6000.md (stack_tie): Fix warning.
4984 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4985 to handle -fleading-underscore.
4986 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4987 (USER_LABEL_PREFIX): New macro.
4988 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4989 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4990 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4991 call-linux can use the same multilibs.
4992 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4993 and call-linux multilibs. Do multilib with -fleading-underscore.
4994 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4995 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4998 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4999 have MASK_SOFT_FLOAT set.
5000 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5001 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5002 CPP_FLOAT_DEFAULT_SPEC.
5004 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5005 * rs6000.md: Whitespace change.
5006 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5007 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5009 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5011 * rs6000.md (eh_epilogue): New expander.
5012 (eh_reg_restore): New expand/split/insn combination.
5013 (return_eh_si): New insn.
5014 (return_eh_di): New insn.
5016 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5017 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5018 * eabi-ctors.c (__do_global_ctors): Register this object's
5019 frame. Clean up. Call atexit() after the constructors.
5020 (__do_global_dtors): Deregister this object's frame. Clean up.
5021 Allow for recursive calls to exit().
5022 * rs6000.c (fixuplabelno): New variable.
5023 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5024 TARGET_RELOCATABLE, it slows down exec() under linux.
5025 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5027 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5028 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5029 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5030 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5031 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5032 (ASM_OUTPUT_DWARF_ADDR): New macro.
5033 (ASM_OUTPUT_DWARF_DATA4): New macro.
5034 (ASM_OUTPUT_DWARF_DATA2): New macro.
5035 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5036 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5037 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5039 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5041 * rs6000.c (rs6000_sr_alias_set): New variable.
5042 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5043 (rs6000_emit_stack_tie): New function.
5044 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5045 in a way that dwarf2out can understand.
5046 (rs6000_frame_related): New function.
5047 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5048 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5049 Use rs6000_emit_stack_tie when needed.
5050 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5051 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5052 * rs6000.md (stack_tie): New insn.
5053 (return_internal_si): Allow return value to be in the count
5055 (return_internal_di): Likewise.
5057 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5059 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5061 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5063 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5065 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5067 * rs6000.md (stmw): Use the right POWER opcode.
5070 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5072 * rs6000-protos.h: New file.
5074 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5076 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5079 * sysv4.h: Likewise.
5081 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5083 * ../../configure.in: Delete powerpcle-*-winnt*
5084 and powerpcle-*-pe|powerpcle-*-cygwin*.
5085 * ../../configure: Regenerated.
5087 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5088 (TARGET_WINDOWS_NT): Delete.
5090 (CALL_NT_DLLIMPORT): Delete.
5091 Delete NT-specific code.
5092 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5095 * nt-ci.asm: Delete.
5096 * nt-cn.asm: Delete.
5097 * ntstack.asm: Delete.
5099 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5101 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5102 (ASM_FILE_START): Likewise.
5103 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5104 (ASM_OUTPUT_LABELREF): Likewise.
5105 (ASM_OUTPUT_SKIP): Likewise.
5106 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5107 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5108 (ASM_OUTPUT_CASE_LABEL): Likewise.
5109 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5110 (ASM_OUTPUT_ASCII): Likewise.
5112 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5114 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5115 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5116 increment rs6000_pic_labelno here.
5117 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5118 and increment rs6000_pic_labelno here.
5120 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5122 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5123 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5124 allocation knows (reg) is dead before the insn.
5126 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5128 * rs6000.md (movsi_to_cr): Correct typo in output template.
5130 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5132 * rs6000.c (rs6000_pic_labelno): Always define.
5133 (rs6000_pic_func_labelno): Delete.
5134 (lmw_operation): Check for a zero base register,
5135 which doesn't mean what we want.
5136 (stmw_operation): New function.
5137 (print_operand): Define new 'l' modifier.
5138 (rs6000_stack_info): We must save all 64 bits of the registers
5139 if TARGET_POWERPC64.
5140 (rs6000_output_load_toc_table): Delete.
5141 (rs6000_emit_load_toc_table): New function.
5142 (rs6000_allocate_stack_space): Delete.
5143 (rs6000_emit_allocate_stack): New function.
5144 (rs6000_emit_prologue): New function.
5145 (output_prolog): Use rs6000_emit_prologue.
5146 (rs6000_emit_epilogue): Change a few variable names to be
5147 more accurate. Restore all 64 bits of the registers if
5148 TARGET_POWERPC64. Only restore the FP registers which were used
5149 if they are being saved/restored one-at-a-time.
5150 (output_mi_thunk): Delete inefficient code generation.
5151 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5152 * rs6000.h: Declare rs6000_emit_load_toc_table,
5153 rs6000_allocate_stack_space, stmw_operation. Don't declare
5154 rs6000_output_load_toc_table.
5155 * rs6000.md (elf_high): Allow register 0, but discourage it
5157 (elf_low): Support loading into register 0.
5158 (load_toc_aix_si): New pattern.
5159 (load_toc_aix_di): New pattern.
5160 (load_toc_v4_pic_si): New pattern.
5161 (load_toc_v4_pic_di): New pattern.
5162 (load_toc_v4_PIC_1): New pattern.
5163 (load_toc_v4_PIC_1b): New pattern.
5164 (load_toc_v4_PIC_2): New pattern.
5165 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5166 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5167 (prologue): New expander.
5168 (movesi_from_cr): New pattern.
5169 (stmw): New pattern.
5170 (save_fpregs_si): New pattern.
5171 (save_fpregs_di): New pattern.
5173 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5175 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5180 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5182 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5184 (movsi_got_internal): Likewise.
5185 (movsi_got_internal+1): Likewise.
5186 (set_sp): 'unspec 7' does a SImode clobber.
5188 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5190 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5191 allocate a stack temporary.
5192 (floatsidf2_internal): Likewise.
5193 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5195 (floatunssidf2): Don't use the fpmem "register", just
5196 allocate a stack temporary.
5197 (floatunssidf2_internal): Likewise.
5198 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5200 (floatsidf2_loadaddr): Delete.
5201 (floatsidf2_store1): Delete.
5202 (floatsidf2_store2): Delete.
5203 (floatsidf2_load): Delete.
5204 (fix_truncdfsi2): Don't use the fpmem "register", just
5205 allocate a stack temporary.
5206 (fix_truncdfsi2_internal_si): Delete.
5207 (fix_truncdfsi2_internal_di): Delete.
5208 (fix_truncdfsi2_internal): New insn.
5209 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5210 (fix_truncdfsi2_store): Delete.
5211 (fix_truncdfsi2_load): Delete.
5212 (fctiwz): Produce gen_fctiwz.
5214 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5216 * eabi.h (INVOKE__main): Define.
5217 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5219 (rs6000_emit_prologue): Likewise.
5220 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5221 this is the main program.
5223 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5225 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5227 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5229 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5230 goes after the argument.
5232 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5234 * rs6000.md: Document 'unspec' values used.
5235 (epilogue): New expander.
5236 (movesi_to_cr_one): New expander.
5237 (movesi_to_cr and following): New pattern.
5239 (return_internal_si): New pattern.
5240 (return_internal_di): New pattern.
5241 (return_and_restore_fpregs_si): New pattern.
5242 (return_and_restore_fpregs_di): New pattern.
5243 * rs6000.h: Declare new functions.
5244 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5245 rather than rs6000_calls_p.
5246 (rs6000_makes_calls): Delete.
5247 (lmw_operation): New function.
5248 (mtcrf_operation): New function.
5249 (rs6000_emit_epilogue): New function.
5250 (output_epilog): Call rs6000_emit_epilogue and final if
5251 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5253 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5255 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5256 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5257 * aix.h (SUBTARGET_SWITCHES): Document switches.
5258 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5259 sched-prolog and sched-epilog the same. Document all the
5261 (TARGET_OPTIONS): No longer allow -mdebug-.
5263 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5265 * rs6000.h (ASM_FILE_END): Move to aix.h.
5266 (EXTRA_SECTIONS): Move to aix.h.
5267 (READONLY_DATA_SECTION): Move to aix.h.
5268 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5269 (SELECT_SECTION): Move to aix.h.
5270 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5271 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5272 (LINK_REGISTER_REGNUM): New definition.
5273 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5274 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5276 * sysv4.h: Delete the code between the inclusion of rs6000.h
5278 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5279 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5280 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5281 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5282 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5283 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5284 (fix_truncdfsi2_internal_di): New pattern.
5285 (fix_truncdfsi2_store): The second arg here is Pmode too.
5286 (fix_truncdfsi2_load): The second arg here is Pmode too.
5287 (tablejumpdi): Now that switch tables hold only SImode values,
5288 gcc needs to know how to add them to the pc which is DImode.
5289 * rs6000.c (rs6000_stack_info): Use symbolic name for
5290 LINK_REGISTER_REGNUM.
5291 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5292 (output_toc): Delete unused variables s1 and s2.
5293 (output_ascii): Use fputs not fprintf on a variable string.
5295 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5297 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5298 * aix43.h: Revert Aug 2 change.
5299 (HAS_INIT_SECTION): Define, not visible yet.
5300 (LD_INIT_SWITCH): Define, not visible yet.
5301 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5303 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5305 * config/rs6000/rtems.h: Include config/rtems.h.
5307 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5309 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5310 (SLOW_UNALIGNED_ACCESS): Define.
5311 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5312 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5313 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5314 (toc_section): Likewise and .toc pseudo-op.
5315 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5317 (TEXT_SECTION_ASM_OP): Likewise.
5318 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5321 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5323 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5324 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5327 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5329 * rs6000.h: Move more stuff from here...
5331 * sysv4.h: Cleanup accordingly.
5332 * netware.h: Likewise
5334 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5336 * rs6000.h: Continue cleanup.
5339 * netware.h: Likewise.
5341 * sysv4.h: Likewise.
5342 * win-nt.h: Likewise.
5344 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5345 (TARGET_OPTIONS): Likewise.
5347 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5348 (SUBTARGET_OPTIONS): Likewise.
5350 * rs6000.md: Fix compile time warnings.
5352 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5354 vxworks patches from the Cygnus tree originally by
5355 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5356 <vmakarov@cygnus.com>.
5357 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5358 (ENDFILE_SPEC): Likewise.
5359 (LIB_VXWORKS_SPEC): New macro.
5360 (STARTFILE_VXWORKS_SPEC): New macro.
5361 (ENDFILE_VXWORKS_SPEC): New macro.
5362 (LINK_START_VXWORKS_SPEC): New macro.
5363 (LINK_OS_VXWORKS_SPEC): New macro.
5364 (CPP_OS_VXWORKS_SPEC): New macro.
5365 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5366 * vxppc.h: Rewrite to use proper configuration method.
5367 * vxppcle.h: New file.
5368 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5369 * ../../configure: Rebuilt.
5371 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5373 Lots of changes to rs6000.h, sysv4.h, aix.h,
5374 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5375 with the aim that rs6000.h is the first header
5376 included and the others override it.
5379 * x-aix41-gld: Remove.
5381 * x-aix41: Remove target-specific switches, and don't specify
5382 -Wl,-bbigtoc as we don't need it any more.
5383 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5384 Use t-aix43 for AIX 4.3 and above.
5385 * ../../configure: Regenerated.
5387 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5388 options, that don't do anything yet.
5389 (MASK_SCHED_PROLOG): New macro.
5390 (MASK_SCHED_EPILOG): New macro.
5391 (TARGET_SCHED_PROLOG): New macro.
5392 (TARGET_SCHED_EPILOG): New macro.
5394 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5396 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5397 one per translation unit, not one per function.
5398 (output_toc): Also do duplicate constant elimination
5399 for per-translation-unit TOCs.
5401 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5402 a comment explaining _exactly_ when this pattern gets used.
5403 (builtin_setjmp_receiver): New pattern for better clarity.
5404 (init_v4_pic): Move it into a section dealing with TOC registers.
5406 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5408 * rs6000.c (toc_hash_table): New variable.
5409 (rs6000_hash_constant): New function.
5410 (toc_hash_function): New function.
5411 (toc_hash_eq): New function.
5412 (toc_hash_mark_entry): New function.
5413 (toc_hash_mark_table): New function.
5414 (output_toc): Don't output duplicate TOC entries in
5416 (rs6000_add_gc_roots): Add the hash table as a GC root.
5417 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5418 where they clearly shouldn't be. This may need to be fixed
5419 later when there is a GNU ar for AIX.
5420 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5421 Don't define BOOT_LDFLAGS as it is now not necessary.
5423 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5425 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5426 for va_list on AIX. Use unsigned_char_type_node rather than
5427 constructing our own version on svr4.
5429 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5431 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5432 since patently it's not.
5434 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5436 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5437 define_expand/define_insn pair, and handle restore of the
5438 SVR4 -fpic register.
5440 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5442 * acconfig.h (HAVE_GAS_WEAK): New define.
5443 * configure.in (assembler weak support): Check for .weak support.
5444 * config.in, configure: Rebuilt.
5445 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5446 HAVE_GAS_WEAK is defined.
5448 2000-03-15 Nick Clifton <nickc@cygnus.com>
5450 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5453 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5455 * cppfiles.c (open_include_file): New function.
5456 (find_include_file, cpp_read_file): Use it.
5458 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5460 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5462 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5464 * flow.c (verify_flow_info): Check for unconditional return.
5466 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5468 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5469 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5470 (__ia64_restore_stack_nonlocal): New.
5471 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5473 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5475 * cpphash.c (collect_formal_parameters): Do not complain about
5476 parameter names that just start with `__VA_ARGS__'.
5478 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5480 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5481 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5482 * i386.c (pentiumpro_cost): Set mul cost to 4.
5483 (x86_use_movx): Set for PPro.
5485 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5487 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5488 STACK_BOUNDARY for empty frames now.
5490 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5492 * stor-layout.c (layout_union): Remove.
5493 (layout_union_field): New function, split out from layout_union.
5494 (finish_union_layout): Likewise.
5495 (layout_field): Handle unions by calling layout_union_field.
5496 (finish_record_layout): Handle unions.
5497 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5498 QUAL_UNION_TYPE handling.
5500 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5502 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5503 end of basic block is jump_insn, not barrier; use create_basic_block
5504 instead of creating basic block by hand.
5506 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5508 * flow.c (reorder_basic_blocks): Account for barriers when writing
5509 over NEXT_INSN (last_bb->end).
5510 (verify_flow_info): Add check for missing barriers.
5512 2000-03-14 Greg McGary <gkm@gnu.org>
5514 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5515 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5516 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5517 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5518 __unbounded, __unbounded__): New keywords.
5519 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5520 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5521 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5523 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5525 * cselib.h: New file.
5526 * alias.c: Include "cselib.h".
5527 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5528 MEMs as two new arguments.
5529 (get_addr): New static function.
5530 (find_base_term): Handle VALUEs.
5531 (memrefs_conflict_p): Likewise.
5532 (true_dependence): Call get_addr on the addresses.
5533 Call fixed_scalar_and_varying_struct_p with addresses that have been
5534 passed through get_addr and canon_rtx.
5535 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5536 with true_dependence.
5537 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5538 * loop.c: Include "cselib.h".
5539 (load_mems): Process extended basic block that enters the loop with
5540 cselib. Use that information to change initialization of the shadow
5541 register so that a constant equivalence is seen by later passes.
5542 * reload1.c: Include "cselib.h".
5543 (reload_cse_invalidate_regno): Delete function.
5544 (reload_cse_mem_conflict_p): Likewise.
5545 (reload_cse_invalidate_mem): Likewise.
5546 (reload_cse_invalidate_rtx): Likewise.
5547 (reload_cse_regno_equal_p): Likewise.
5548 (reload_cse_check_clobber): Likewise.
5549 (reload_cse_record_set): Likewise.
5550 (reg_values): Delete static variable.
5551 (invalidate_regno_rtx): Likewise.
5552 (reload_cse_delete_noop_set): New static function.
5553 (reload_cse_simplify): New static function, broken out of
5555 (reload_cse_noop_set_p): Delete unused argument INSN.
5556 Just call rtx_equal_for_cselib_p on set source and destination.
5557 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5558 reload_cse_delete_noop_set. Delete code to keep track of values; use
5559 cselib functions instead. Delete code to push/pop obstacks.
5560 (reload_cse_simplify_set): Use cselib to find equivalent values.
5561 Delete code to push/pop obstacks.
5562 (reload_cse_simplify_operands): Likewise.
5563 * rtl.def (VALUE): New rtx code.
5564 * rtl.h (union rtunion_def): New elt rt_cselib.
5565 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5566 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5567 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5568 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5569 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5570 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5571 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5572 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5573 cselib_record_set, cselib_record_sets): New static functions.
5574 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5575 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5576 references_value_p): New functions.
5577 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5578 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5579 n_useless_values, reg_values, callmem, cselib_obstack,
5580 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5581 New static variables.
5582 * varray.h (union varray_data_tag): New elt te.
5583 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5584 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5587 2000-03-14 Nick Clifton <nickc@cygnus.com>
5589 * gcc.c (do_spec_1): Catch the case where %* is used in a
5590 substitution pattern, but it has not been initialised.
5591 Issue a meaningful error message if an unrecognised operator
5592 is encountered in a spec string.
5594 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5596 * function.c (prepare_function_start): Correctly initialize
5597 cfun->stack_alignment_needed.
5599 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5601 * cppfiles.c (find_include_file): Don't assume nshort is a
5604 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5606 * configure.in (hppa configurations): Add pa32-regs.h to the
5607 list of tm files as appropriate.
5608 * configure: Rebuilt.
5609 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5611 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5612 (fmpyaddoperands, fmpysuboperands): Likewise.
5613 * pa.h: Remove various definitions which depend on knowing
5614 how registers are numbered.
5615 * pa32-regs.h: New file with PA32 register numbering specific
5618 2000-03-14 Richard Henderson <rth@cygnus.com>
5620 * regmove.c (combine_stack_adjustments): New.
5621 (stack_memref_p, single_set_for_csa): New.
5622 (free_csa_memlist, record_one_stack_memref): New.
5623 (try_apply_stack_adjustment): New.
5624 (combine_stack_adjustments_for_block): New.
5625 * rtl.h (combine_stack_adjustments): Declare.
5626 * toplev.c (rest_of_compilation): Call it.
5628 * i386.md: Revert 2000-01-16 change.
5630 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5632 * gccbug.in: Add web category, gcc specific classes.
5634 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5636 * stor-layout.c (finalize_record_size): Fix typo.
5638 2000-03-14 Stan Shebs <shebs@apple.com>
5640 * c-typeck.c (c_alignof): Error on incomplete types.
5641 * extend.texi (Alignment): Document this.
5643 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5645 * cppfiles.c: Include mkdeps.h.
5646 (find_include_file, read_include_file): Remove _cpp_ prefix
5647 from name, make static.
5648 (_cpp_execute_include): New function, broken out of
5651 * cpplib.c: Don't include mkdeps.h.
5652 (struct directive): Remove type field. Reorder entries. The
5653 function takes only one argument.
5654 (struct if_stack): Make type field an int.
5655 (directive_table): Rename to dtable. Generate it, the
5656 prototypes of the directive handlers, and the enum for the
5657 directive numbers, from a template macro.
5658 (do_ifndef, do_include_next, do_import): New functions.
5659 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5660 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5661 do_ident, do_assert, do_unassert, do_sccs): Take only one
5663 (do_sccs): Define always, but alter behavior based on
5665 (_cpp_handle_directive, consider_directive_while_skipping):
5666 Restructure for new directive table layout.
5668 (pass_thru_directive): Take a directive number, not a pointer
5669 to a struct directive.
5670 (parse_include): New function, broken out of do_include.
5671 (do_include, do_import, do_include_next): Use parse_include
5672 and _cpp_execute_include.
5673 (do_elif, do_else): Test for T_ELSE specifically when checking
5674 for #elif/#else after #else.
5675 (parse_ifdef): New function, broken out of do_ifdef.
5676 (validate_else): Expect a name arg without a leading #.
5677 (if_directive_name): Delete.
5678 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5679 directive handlers with only one argument.
5681 * cpphash.h: Update prototypes.
5682 (enum node_type): Remove entries for directives.
5683 * Makefile.in: Update dependencies.
5685 * cpphash.c (dump_hash_helper): Only dump nodes of type
5686 T_MACRO. Emit a newline after each definition.
5688 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5690 * gccbug.in: New file.
5691 * configure.in (all_outputs): Add gccbug.
5692 * Makefile.in (install-common): Install gccbug.
5693 (GCCBUG_INSTALL_NAME): New variable.
5694 * configure: Rebuilt.
5696 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5698 * function.c (put_var_into_stack): Use type_for_mode to calculate
5699 part_type. Use MEM_SET_IN_STRUCT_P.
5700 * expr.c (store_field): Handle CONCAT.
5701 (store_constructor): Use fields_length.
5702 * tree.c (fields_length): New fn.
5703 * tree.h: Declare it.
5705 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5707 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5708 (cpplex.o): New target.
5709 * po/POTFILES.in: Add cpplex.c.
5711 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5712 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5713 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5714 skip_block_comment, skip_line_comment, skip_comment,
5715 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5716 _cpp_parse_name, skip_string, parse_string,
5717 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5718 _cpp_get_directive_token, find_position,
5719 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5720 (maybe_macroexpand, _cpp_lex_token): New functions.
5722 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5723 parse_goto_mark): Delete.
5724 (_cpp_handle_eof): New function.
5725 (_cpp_handle_directive): Rename from handle_directive.
5726 (_cpp_output_line_command): Rename from output_line_command.
5727 (do_if, do_elif): Call _cpp_parse_expr directly.
5728 * cppfiles.c (_cpp_read_include_file): Don't call
5729 init_input_buffer here.
5730 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5731 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5732 here; pop the token_buffer and skip the rest of the line here.
5733 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5736 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5738 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5739 CPP_GOTO_MARK): New macros.
5740 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5741 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5742 _cpp_read_and_prescan, _cpp_init_input_buffer,
5743 _cpp_grow_token_buffer, _cpp_get_directive_token,
5744 _cpp_handle_directive, _cpp_handle_eof,
5745 _cpp_output_line_command): Prototype them here.
5746 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5747 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5748 quote_string, output_line_command): Remove.
5750 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5752 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5753 whether it is too large we must also verify that it isn't negative.
5755 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5757 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5758 (movsi_zero_liveg0): Remove.
5759 (movsf_insn_novis_liveg0): Remove.
5761 (negsi2_not_liveg0): Rename to negsi2.
5762 (one_cmplsi2): Remove.
5763 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5764 (one_cmplsi2_liveg0): Remove.
5765 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5766 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5767 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5768 (PREDICATE_CODES): Remove zero_operand.
5769 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5770 TARGET_BROKEN_SAVERESTORE.
5771 (zero_operand): Remove.
5772 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5773 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5775 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5776 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5777 TARGET_BROKEN_SAVERESTORE): Remove.
5778 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5780 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5782 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5785 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5787 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5789 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5790 truncating a string. Don't assume tokens are nul terminated.
5791 Problem noted by Andreas Jaeger <aj@suse.de>
5793 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5795 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5796 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5797 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5799 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5801 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5802 STRUCTURE_SIZE_BOUNDARY.
5804 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5806 * tree.h (record_layout_info_s): New structure.
5807 (record_layout_info): New type.
5808 (new_record_layout_info): New function.
5809 (layout_field): Likewise.
5810 (finish_record_layout): Likewise.
5811 * stor-layout.c (layout_record): Remove.
5812 (new_record_layout_info): New function.
5813 (layout_field): New function, broken out from layout_record.
5814 (finalize_record_size): Likewise.
5815 (compute_record_mode): Likewise.
5816 (finalize_type_size): New function, broken out from layout_type.
5817 (finish_record_layout): Likewise.
5818 (layout_type): Use them.
5820 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5822 * cpphash.c: Don't include version.h.
5823 (special_symbol) [case T_VERSION]: Look for the string in
5824 hp->value.cpval; don't use version_string.
5825 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5826 __VERSION__ to version_string.
5827 * Makefile.in (cpphash.o): Update deps.
5829 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5831 Convert cpplib to use libiberty/hashtab.c.
5833 * cpplib.h (struct cpp_reader): Make hashtab and
5834 all_include_files of type 'struct htab *'. Delete HASHSIZE
5835 and ALL_INCLUDE_HASHSIZE macros.
5837 * cpphash.h: Update prototypes.
5838 (struct hashnode): Remove next, prev, and bucket_hdr members.
5839 Make length a size_t. Add hash member.
5840 (struct ihash): Remove next member. Add hash member. Make
5841 name a flexible array member.
5843 * cppfiles.c: Include hashtab.h.
5844 (include_hash): Delete.
5845 (IHASHSIZE): New macro.
5846 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5847 (cpp_included): Do the hash lookup here.
5848 (_cpp_find_include_file): Rewrite.
5849 (cpp_read_file): Put the "fake" hash entry into the hash
5850 table. Honor the control_macro, if it turns out we've seen
5851 the file before. Don't push the buffer here.
5852 (_cpp_read_include_file): Push the buffer here.
5853 (OMODES): New macro. Use it whenever we call open(2).
5855 * cpphash.c: Include hashtab.h.
5856 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5857 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5858 _cpp_lookup_slot): New functions.
5859 (HASHSIZE): new macro.
5860 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5861 (_cpp_lookup): Use hashtab.h routines.
5863 * cppinit.c: Include hashtab.h.
5864 (cpp_reader_init): Call _cpp_init_macro_hash and
5865 _cpp_init_include_hash. Don't allocate hashtab directly.
5866 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5867 pfile->all_include_files.
5868 (initialize_builtins): Use _cpp_make_hashnode and
5869 htab_find_slot to add hash entries.
5870 (cpp_finish): Just call _cpp_dump_macro_hash.
5871 * cpplib.c: Include hashtab.h.
5872 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5873 create hash entries.
5874 (do_pragma_poison, do_assert): Likewise.
5875 (do_include): Don't push the buffer here. Don't increment
5876 system_include_depth unless _cpp_read_include_file succeeds.
5877 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5879 (do_pragma_implementation): Use alloca to create copy.
5881 * Makefile.in: Update dependencies.
5883 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5885 * cppinit.c (cl_directive_handler): More K&R fixing.
5887 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5889 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5891 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5893 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5895 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5896 Change from char[] to macros.
5898 2000-03-12 Neil Booth <NeilB@earthling.net>
5900 * cppinit.c (cpp_start_read): Update indirect function
5903 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5905 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5908 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5909 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5911 2000-03-11 Neil Booth <NeilB@earthling.net>
5913 * cppinit.c (struct pending option): Replace undef with a
5914 pointer to a directive handling routine.
5915 (struct cpp_pending): Replace separate assert_ and define_
5916 lists with one directive_ list.
5917 (new_pending_define): Rename new_pending_directive. Extra
5918 argument is the directive's handling routine.
5919 (handle_option): Update to use new_pending_directive.
5921 2000-03-11 Neil Booth <NeilB@earthling.net>
5923 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5924 remap_filename, _cpp_read_include_file, actual_directory,
5925 hack_vms_include_specification): Replace bcopy(), index() etc
5926 calls. Add casts to some allocations. Make some variables
5927 pointers to const [unsigned] char.
5928 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5929 collect_formal_parameters): Similarly.
5930 * cppinit.c (struct pending_option, append_include_chain,
5931 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5932 cpp_start_read, new_pending_define, handle_option): Similarly.
5933 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5934 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5935 do_pragma_implementation, detect_if_not_defined,
5936 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5937 do_assert, do_unassert): Similarly.
5938 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5939 function prototypes.
5940 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5942 2000-03-10 Richard Henderson <rth@cygnus.com>
5944 * builtins.c (expand_builtin_strlen): Revert last change.
5945 Use emit_insn_before if we're at the beginning of a sequence.
5947 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5949 * builtins.c (expand_builtin_strlen): Make sure that we have something
5950 at the beginning of the sequence.
5952 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5955 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5957 2000-03-10 Richard Henderson <rth@cygnus.com>
5959 * except.c (can_throw): Use INTVAL on a CONST_INT.
5960 (reachable_handlers): Likewise.
5961 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5963 2000-03-10 Andreas Jaeger <aj@suse.de>
5965 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5966 MD_STARTFILE_PREFIX since those are not needed on linux.
5967 (ASM_FILE_START): New, from mips/gnu.h.
5969 2000-03-09 Richard Henderson <rth@cygnus.com>
5970 Alex Samuel <samuel@codesourcery.com> and others
5972 * Makefile.in (ssa.o): New rule.
5974 (STAGESTUFF): Add *.ssa and *.ussa.
5975 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5976 * rtl.def (PHI): New RTL expression.
5977 * rtl.h (clear_log_links): New declaration.
5978 (convert_to_ssa): Likewise.
5979 (convert_from_ssa): Likewise.
5980 * flow.c (split_edge): If the entry node falls through to the
5981 split edge's source block, split the entry edge.
5982 (clear_log_links): New function.
5983 * toplev.c (ssa_dump): New variable.
5984 (flag_ssa): Likewise.
5985 (f_options): Add "ssa".
5986 (compile_file): Create SSA dump files.
5987 (rest_of_compilation): Go to and from SSA if enabled.
5988 (decide_d_option): Handle -de for SSA dump files.
5991 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5993 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5996 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5998 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6000 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6002 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6003 (MD_STARTFILE_PREFIX_1): New macro.
6005 2000-03-09 Robert Lipe <robertl@sco.com>
6007 * config/ia64/ia64.c: Include system.h.
6009 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6011 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6012 (init_eh_nesting_info): Likewise.
6014 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6015 (TREE_NOTHROW): Rename from TREE_RAISES.
6016 * toplev.c (rest_of_compilation): Set it.
6017 * print-tree.c (print_node): Adjust.
6018 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6019 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6020 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6021 REG_EH_REGION note as appropriate.
6022 (libfunc_nothrow): New fn.
6023 (emit_library_call, emit_library_call_value): Use it.
6024 (expand_call): Check TREE_NOTHROW.
6026 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6027 DECL_ASSEMBLER_NAME.
6029 2000-03-09 Andreas Jaeger <aj@suse.de>
6031 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6032 (TARGET_MEM_FUNCTIONS): Define.
6034 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6036 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6038 * except.c (can_throw): See through a SEQUENCE.
6039 (nothrow_function_p): New fn.
6040 * except.h: Declare it.
6041 * function.c (current_function_nothrow): New var.
6042 (prepare_function_start): Initialize it.
6043 * output.h: Declare it.
6044 * toplev.c (rest_of_compilation): Set it.
6045 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6047 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6049 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6050 match. (cpp_compare_defs): Count the nul separator when
6051 advancing over argument names.
6053 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6055 * recog.c (preprocess_constraints): Matching constraints affect
6056 same alternative/different operand, not same operand/different
6059 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6060 register and a constant specially.
6062 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6064 * libgcc2.h: New file.
6065 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6067 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6069 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6070 * configure: Regenerate.
6073 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6075 * Makefile.in (LIBCPP_DEPS): New macro.
6076 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6078 * cpperror.c: Include cpphash.h.
6079 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6081 (lex): Don't use CPP_WARN_UNDEF.
6082 (_cpp_parse_expr): Return an int, the truth value.
6083 * cppfiles.c: Include cpphash.h.
6084 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6085 * cppinit.c (include_defaults_array): Disentangle.
6086 (cpp_cleanup): Don't free the if stack here.
6087 (cpp_finish): Pop off all buffers, not just one.
6088 * cpplib.c (eval_if_expr): Return int.
6089 (do_xifdef): Rename do_ifdef.
6090 (handle_directive): Don't use CPP_PREPROCESSED.
6091 (cpp_get_token): Don't use CPP_C89.
6092 * fix-header.c: Don't use CPP_OPTIONS.
6094 * cpplib.h: Move U_CHAR, enum node_type, struct
6095 file_name_list, struct ihash, is_idchar, is_idstart,
6096 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6097 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6098 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6099 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6100 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6101 of _cpp_simplify_pathname, _cpp_find_include_file,
6102 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6103 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6105 Change all uses of U_CHAR to be unsigned char instead.
6106 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6108 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6110 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6111 (dwarf2out_begin_prologue): Set it.
6112 (output_call_frame_info): Don't emit EH unwind info for leaves.
6114 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6115 can occur outside of an EH region.
6116 * except.c: Correct comments about rethrow behavior.
6117 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6119 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6121 * flow.c (make_edges): Always call make_eh_edge for calls.
6123 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6125 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6126 (struct cpp_buffer): Remove fname and underflow fields.
6127 (struct cpp_reader): Remove get_token field.
6128 (struct include_hash): Rename to struct ihash. Add typedef to
6130 (struct if_stack): Remove fname field.
6131 (IF_STACK_FRAME): Rename to IF_STACK.
6133 * cpperror.c (print_containing_files): Trust that there are no
6134 macro buffers below the top file buffer.
6135 * cppfiles.c: Replace all references to 'struct include_hash'
6136 with 'IHASH'. Rename initialize_input_buffer to
6137 init_input_buffer. Don't set or reference cpp_buffer->fname,
6138 use buffer->ihash->name instead.
6139 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6140 not CPP_NULL_BUFFER.
6141 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6142 IF_STACK_FRAME, IHASH not struct include_hash.
6143 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6144 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6145 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6146 references to cpp_buffer->fname (delete entirely, or use
6147 ->ihash->name instead) and IF_STACK->fname.
6148 (cpp_push_buffer): Don't set new->underflow.
6149 (do_include): Use cpp_file_buffer.
6151 * cpphash.c (collect_formal_parameters): Remove duplicate
6152 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6153 used as a macro argument name. Don't append "..." to namebuf
6154 for varargs macros. After we're done scanning, go through
6155 namebuf and make it NUL separated, not comma separated.
6156 (_cpp_compare_defs): Remove register tag from variables.
6157 Expect defn->argnames to be NUL separated.
6158 (_cpp_dump_definition): Expect defn->argnames to be NUL
6159 separated and in forward order.
6160 * cpphash.h: Update documentation of argnames field.
6162 2000-03-08 Richard Henderson <rth@cygnus.com>
6164 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6165 to fail. Don't pre-expand the source operand.
6167 * i386.md (strlensi): Initialize eoschar and align before use.
6169 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6171 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6172 CONSTRUCTOR element.
6174 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6176 * mips.c (mips_expand_prologue): If the last
6177 named argument is the vararg marker "va_list", treat it as
6178 an unnamed argument.
6180 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6182 * dbxout.c (dbxout_parms): When correcting for promoted
6183 big-endian parameters, use the mode of the DECL_RTL rather
6184 than UNITS_PER_WORD.
6186 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6188 * c-common.h (make_fname_decl): Declare.
6189 * c-common.c (make_fname_decl): Define.
6190 (declare_hidden_char_array): Remove.
6191 (declare_function_name): Use make_fname_decl.
6192 * c-decl.c (c_make_fname_decl): New function.
6193 (init_decl_processing): Set make_fname_decl.
6195 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6197 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6199 2000-03-07 Philipp Thomas <pthomas@suse.de>
6201 * po/POTFILES.in: Remove cppalloc.c from file list.
6203 2000-03-07 Steve Chamberlain <sac@pobox.com>
6205 * pj.c (pj_expand_prologue): current_function->args_info is
6206 now current_function_args_info.
6208 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6209 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6210 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6212 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6214 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6215 output as hexadecimal rather than the default octal.
6217 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6219 * cpphash.c (special_symbol): Fix thinko in previous commit.
6221 2000-03-07 Neil Booth <NeilB@earthling.net>
6223 * cppexp.c (struct operation, left_shift, right_shift,
6224 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6225 "int"s to "unsigned int"s.
6226 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6228 * cpplib.h: Update for above.
6229 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6230 returned from allocations.
6232 * cppinit.c (opt_comp, parse_options): New functions.
6233 (handle_option): Use parse_option to parse a single command
6234 line option, that possibly takes an argument.
6235 (cpp_handle_options): Sort the array of command line options on
6236 first invocation (non-ASCII hosts only).
6237 (print_help): Update.
6239 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6241 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6242 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6244 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6246 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6248 * cpperror.c (cpp_print_containing_files,
6249 cpp_print_file_and_line, v_cpp_message): Rename to
6250 print_containing_files, print_file_and_line, and v_message.
6251 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6252 to _cpp_parse_expr, parse_escape, and lex.
6253 (parse_charconst): Remove broken multibyte support.
6254 * cppfiles.c (include_hash): Make static.
6255 (cpp_included): New function.
6256 (merge_include_chains, find_include_file, finclude,
6257 simplify_pathname): Rename to _cpp_merge_include_chains,
6258 _cpp_find_include_file, _cpp_read_include_file, and
6259 _cpp_simplify_pathname.
6260 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6261 cpp_install, create_definition, macroexpand, compare_defs,
6262 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6263 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6264 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6265 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6267 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6269 * cpphash.h: Update prototypes.
6270 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6272 2000-03-07 Andrew Haley <aph@cygnus.com>
6274 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6275 PTRDIFF_TYPE should be based solely on Pmode.
6278 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6280 * rtl.h (rtunion_def): Constify member `rtstr'.
6281 (emit_line_note_after, emit_line_note, emit_line_note_force,
6282 emit_note, decode_asm_operands): Constify.
6284 * cse.c (canon_hash): Likewise.
6286 * dbxout.c (dbxout_block): Likewise.
6288 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6289 v_warning_for_asm): Likewise.
6291 * dwarfout.c (function_start_label): Likewise.
6293 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6294 emit_line_note_force): Likewise.
6296 * final.c (last_filename, asm_insn_count, final_scan_insn,
6297 output_source_line): Likewise.
6299 * function.h (struct emit_status): Likewise.
6301 * gcse.c (hash_expr_1): Likewise.
6303 * genattr.c (gen_attr, main): Likewise.
6305 * genattrtab.c (struct function_unit, current_alternative_string,
6306 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6307 attr_numeral, check_attr_test, check_attr_value,
6308 convert_set_attr_alternative, convert_set_attr,
6309 compute_alternative_mask, simplify_by_exploding, gen_attr,
6310 gen_unit): Likewise.
6312 * genflags.c (gen_insn): Likewise.
6314 * gengenrtl.c (type_from_format): Likewise.
6316 * genopinit.c (gen_insn): Likewise.
6318 * genoutput.c (n_occurrences, process_template, process_template):
6321 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6324 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6327 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6328 ggc_set_mark, ggc_get_size): Likewise.
6330 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6332 * optabs.c (init_one_libfunc): Likewise.
6334 * output.h (assemble_start_function): Likewise.
6336 * recog.c (decode_asm_operands): Likewise.
6338 * toplev.c (rest_of_compilation): Likewise.
6340 * tree.h (emit_line_note_after, emit_line_note,
6341 emit_line_note_force): Likewise.
6343 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6344 asm_emit_uninitialised, assemble_start_function,
6345 assemble_variable, const_hash, compare_constant_1,
6346 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6348 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6350 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6352 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6354 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6356 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6357 arm_dllimport_name_p): Likewise.
6359 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6362 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6364 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6366 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6367 arm_mark_dllexport, arm_mark_dllimport,
6368 arm_pe_encode_section_info): Likewise.
6370 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6371 ASM_FINISH_DECLARE_OBJECT): Likewise.
6373 * arm/thumb.c (thumb_function_prologue): Likewise.
6375 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6377 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6379 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6381 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6383 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6385 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6387 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6388 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6390 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6392 * i386/i386.c (asm_output_function_prefix): Likewise.
6394 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6396 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6398 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6400 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6401 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6402 ASM_OUTPUT_SECTION_NAME): Likewise.
6404 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6406 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6408 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6410 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6412 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6414 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6416 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6418 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6420 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6422 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6424 * mips/mips.md (movdi, movsi): Likewise.
6426 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6428 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6430 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6432 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6433 ASM_OUTPUT_ASCII): Likewise.
6435 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6436 output_mi_thunk, output_toc): Likewise.
6438 * rs6000/rs6000.md (movsi): Likewise.
6440 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6442 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6444 * v850/v850.c (print_operand, print_operand_address,
6445 v850_encode_data_area): Likewise.
6447 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6449 * config/mips/mips.md (zero_extendsidi2): Always force operand
6450 one to memory for mips16.
6452 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6454 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6455 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6456 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6457 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6458 (min_precision): Result is unsigned.
6459 (add_double, neg_double, mul_double): Low word is unsigned.
6460 (lshift_double, rshift_double, lrotate_double): Likewise.
6461 (rrotate_double, div_and_round_double): Likewise.
6462 (tree_floor_log2, compare_tree_int): New functions.
6463 (preserve_rtl_expr_temps): New declaration.
6464 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6465 (decl_attributes): Use tree_log2 to find alignment.
6466 Check for TREE_INT_CST_HIGH for format args.
6467 (min_precision): Now unsigned.
6468 Use tree_floor_log2.
6469 (truthvalue_conversion): Delete long-disabled code.
6470 * c-decl.c (finish_struct): Clean up tests on field width.
6471 (finish_function): Use compare_tree_int.
6472 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6473 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6474 (default_conversion, digest_init): Use compare_tree_int.
6475 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6476 Fix type errors in forming masks.
6477 * calls.c (initialize_argument_information): Use compare_tree_int.
6478 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6479 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6480 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6481 (store_field): Use compare_tree_int.
6482 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6483 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6484 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6485 (do_store_flag): Use compare_tree_int.
6486 * fold-const.c (encode, decode): Low part is always unsigned.
6487 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6488 (lshift_double, rshift_double, lrotate_double): Likewise.
6489 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6490 (fold_convert): Use compare_tree_int.
6491 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6492 (invert_truthvalue, case INTEGER_CST): Likewise.
6493 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6494 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6495 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6496 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6498 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6499 (expand_end_case): Use compare_tree_int.
6500 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6501 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6502 (layout_decl): Likewise.
6503 (layout_record, layout_union): Make sizes unsigned.
6504 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6505 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6506 * tree.c (struct type_hash): hashcode is unsigned.
6507 (build_type_attribute_variant, type_hash_list): Likewise.
6508 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6509 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6510 (build_complex_type): Likewise.
6511 (real_value_from_int_cst): Remove unneeded casts.
6512 (integer_all_onesp): Add casts.
6513 (tree_floor_log2, compare_tree_int): New functions.
6514 (build_index_type): Use tree_int_cst_sgn.
6515 * varasm.c (assemble_variable): Use compare_tree_int.
6517 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6519 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6521 * varasm.c (make_decl_rtl): Don't add a number to members of
6523 (make_function_rtl): Likewise.
6525 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6527 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6528 patch from 2000-01-28.
6530 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6532 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6533 filled with an insn from the jump target.
6535 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6537 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6538 (c4x_external_ref): Likewise.
6539 * config/c4x/c4x.c (struct name_list): Likewise.
6541 1999-12-16 Ben Collins <bcollins@debian.org>
6543 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6544 argument to genmultilib.
6545 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6546 the contents into the multilib.h header.
6547 * gcc.c: Declare multilib_exclusions for the specs file.
6548 (set_multilib_dir): Use it.
6549 (print_multilib_info): Likewise.
6550 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6551 to pass to genmultilib.
6553 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6555 * builtins.c (built_in_class_names, built_in_names): Constify a
6558 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6560 (_mcleanup): Ensure value matches format specifier in sprintf.
6562 * cpphash.c (special_symbol): Don't needlessly cast away
6565 * cppinit.c (base_name): Delete unused prototype.
6567 * mkdeps.c (deps_init): Make definition K&R safe.
6569 * tree.h (built_in_class_names, built_in_names): Constify a
6572 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6574 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6575 floating point instructions for epilogue delay.
6577 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6578 to gas if it supports .register pseudo.
6580 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6581 LONG_DOUBLE_TYPE_SIZE if not defined.
6582 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6583 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6585 * gengenrtl.c: Likewise.
6586 * print-rtl.c: Likewise.
6588 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6589 MASK_LONG_DOUBLE_128.
6590 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6591 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6592 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6593 (SUBTARGET_SWITCHES): Define.
6594 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6595 with -mlong-double-128.
6596 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6597 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6598 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6599 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6600 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6601 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6602 with -mlong-double-128.
6603 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6604 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6605 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6606 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6607 TARGET_LONG_DOUBLE_128): Define.
6608 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6609 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6610 long double on TARGET_ARCH64.
6612 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6614 * function.c (free_temps_for_rtl_expr): Don't free slots
6615 that have been pushed into a higher level.
6618 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6620 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6622 * basic-block.h (ALLOCA_REG_SET): Remove.
6623 (INITIALIZE_REG_SET): New macro.
6624 * flow.c (update_life_info): Use it.
6625 (calculate_global_regs_live): Likewise.
6626 (propagate_block): Likewise.
6627 * global.c (build_insn_chain): Likewise.
6628 * haifa-sched.c (schedule_region): Likewise.
6630 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6632 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6633 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6634 (DWARF_ARANGES_PAD_SIZE): New define.
6635 (output_aranges): Use it to pad the address range header.
6636 (DWARF_ROUND): Fix for non power of 2 rounding.
6638 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6640 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6642 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6644 * tree.def (RTL_EXPR): Update documentation.
6645 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6646 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6647 * function.c (preserve_rtl_expr_temp): New function.
6648 (preserve_rtl_expr_temps): Likewise.
6649 (preserve_rtl_expr_result): Use it.
6652 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6654 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6656 * regmove.c (copy_src_to_dest) Do not create src->dest move
6657 for unchanging destination.
6659 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6661 * function.h (struct sequence_stack): Remove rtl_expr.
6662 (struct emit_staus): Likewise.
6663 (seq_rtl_expr): Remove.
6664 * tree.h (free_temps_for_rtl_expr): Don't declare.
6665 (start_sequence_for_rtl_expr): Likewise.
6666 * rtl.h (preserve_rtl_expr_result): Likewise.
6667 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6668 (start_sequence_for_rtl_expr): Remove.
6669 (push_topmost_sequence): Don't save sequence_rtl_expr.
6670 (pop_topmost_sequence): Remove comment about not restoring it.
6671 (end_sequence): Don't set seq_rtl_expr.
6672 (init_emit): Don't initialize it.
6673 (mark_sequence_stack): Don't mark it.
6674 (mark_emit_status): Likewise.
6675 * except.c (protect_with_terminate): Use
6676 start_sequence_for_rtl_expr, not start_sequence.
6677 * expr.c (expand_expr, case RTL_EXPR): Don't call
6678 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6679 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6680 (preserve_rtl_expr_result): Remove.
6681 (free_temps_for_rtl_expr): Likewise.
6682 (pop_temp_slots): Likewise.
6683 (mark_temp_slot): Don't mark the rtl_expr.
6684 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6685 start_sequence_for_rtl_expr.
6687 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6689 * mkdeps.c, mkdeps.h: New files.
6690 * po/POTFILES.in: Add them.
6691 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6692 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6693 (mkdeps.o): New target.
6695 * cppfiles.c: Delete deps_output.
6696 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6697 OBJECT_SUFFIX, and base_name.
6698 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6700 (initialize_dependency_output): Use deps_init,
6701 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6702 all the unnecessary string bashing.
6703 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6705 * cpplib.c (do_include): Use deps_add_dep.
6706 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6707 deps_allocated_size, deps_size, deps_column members with
6708 single pointer to a struct deps. Delete prototype of
6711 * cppinit.c: Fix thinko in previous patch.
6713 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6715 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6716 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6717 (mode_for_size_tree): New function.
6718 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6719 * tree.h (mode_for_size_tree): New declaration.
6721 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6723 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6725 * stmt.c (is_body_block): Move...
6726 * dwarfout.c, dwarf2out.c: ...from here.
6727 * tree.h: Declare it.
6728 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6729 * final.c (final_start_function): Do call remove_unnecessary_notes
6732 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6734 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6736 * cpplib.h (_dollar_ok): New macro.
6737 (is_idchar, is_idstart): Use it.
6738 (IStable): Rename to _cpp_IStable. Declare it const if
6739 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6740 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6741 is_space): Update for renamed IStable.
6743 * cppinit.c: Delete all references to FAKE_CONST and CAT
6744 macros. Define init_IStable as empty macro if gcc >=2.7 or
6745 C99. Change TABLE() to ISTABLE and hardcode name of table.
6746 (cpp_start_read): Don't change the IStable based on
6749 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6750 changed. Handle '$' for char1 correctly.
6751 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6753 * cppexp.c (tokentab2): Make const.
6754 (cpp_lex): Make toktab const.
6755 * cppinit.c (include_defaults_array): Make const.
6756 (initialize_standard_includes): Make default_include const.
6758 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6760 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6761 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6762 (gen_decl_die): Likewise.
6763 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6764 (output_decl): Likewise.
6766 * varasm.c (make_function_rtl): If we change the name used in the
6767 rtl, update DECL_ASSEMBLER_NAME accordingly.
6768 (make_decl_rtl): Likewise.
6770 * toplev.c (rest_of_compilation): Tweak formatting.
6772 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6773 remove_unnecessary_notes.
6774 (debug_ignore_block): New fn.
6775 * toplev.h: Declare it.
6776 * emit-rtl.c (remove_unncessary_notes): Call it.
6777 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6778 * dwarf2out.h: Declare it.
6779 * final.c (final_start_function): Don't call remove_unnecessary_notes
6780 if we did insn scheduling.
6782 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6784 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6785 * cpplib.h: Delete SET_CPP_PEDANTIC.
6787 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6789 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6790 result is a RECORD_TYPE.
6792 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6794 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6796 2000-03-03 Richard Henderson <rth@cygnus.com>
6798 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6799 addition over compliments over shifts.
6801 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6803 * reload1.c (reload_combine_note_use): Handle return register USEs.
6804 REG case: Handle multi-hard-register hard regs.
6806 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6808 * md.texi: Document use of '*' in insn pattern name.
6810 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6812 * calls.c (special_function_p): operator new may not be malloc-like.
6814 * gcse.c (dump_hash_table): Really fix error in last change.
6816 2000-03-02 Denis Chertykov <denisc@overta.ru>
6818 * avr.c (print_operand): Use print_operand_address instead of
6820 * avr/libgcc.S: Cleanup code.
6822 2000-03-02 Richard Henderson <rth@cygnus.com>
6824 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6826 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6828 * tree.h (TYPE_ALIGN_UNIT): New macro.
6830 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6832 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6834 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6836 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6838 (SET_CPP_PEDANTIC): New macro.
6839 * cpplib.c (do_include): Don't bother checking system_header_p.
6840 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6841 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6843 * function.h (struct expr_status): Add x_arg_space_so_far.
6844 (arg_space_so_far): New macro.
6845 * expr.c (init_expr): Initialize it.
6846 * calls.c (emit_call_1): Reset it.
6847 (compute_argument_block_size, expand_call): Use it.
6848 (expand_call, store_one_arg): Increment it.
6850 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6852 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6855 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6857 * cppfiles.c (cpp_read_file): New function.
6859 * cpphash.c (collect_expansion): Make sure to reset last_token
6860 to NORM when we hit a string. Handle trailing whitespace
6861 properly when the expansion is empty.
6862 (create_definition): Disable line commands while parsing the
6864 (dump_definition): If pfile->lineno == 0, output a line
6865 command ahead of the dump, and add a trailing newline.
6867 * cppinit.c (append_include_chain): Add fifth argument, which
6868 indicates whether or not system headers are C++ aware.
6869 (initialize_standard_includes): New function,
6870 broken out of read_and_prescan. Pass 'cxx_aware' value from
6871 the include_defaults_array on to append_include_chain.
6872 (dump_special_to_buffer): Const-ify char array.
6873 (builtin_array): Don't dump __BASE_FILE__.
6874 (cpp_start_read): Use cpp_read_file. Reorder code for
6875 clarity. Don't output line commands here for -D/-A/-U
6876 switches. Don't call deps_output for files included with
6877 -include or -imacros.
6879 * cpplib.c (do_define): Don't pay any attention to the second
6881 (cpp_expand_to_buffer): Disable line commands while scanning.
6882 (output_line_command): Work in the file buffer.
6883 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6884 Fix formatting of comments. Prototype cpp_read_file.
6886 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6888 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6889 reference the language-equivalent of sizetype.
6890 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6891 * fold-const.c (size_binop, size_diffop): Put back checks.
6892 * gcse.c (dump_hash_table): Fix minor error in last change.
6893 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6894 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6897 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6899 * calls.c (expand_call) Do not attempt to combine stack adjustments
6900 with inhibit_defer_pop set.
6902 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6904 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6905 the DECL_SIZE for a FIELD_DECL.
6907 2000-03-01 Bruce Korb <bkorb@gnu.org>
6909 * fixinc/inclhack.tpl: remove unused symlinks
6910 * fixinc/README: GCC Maintainer info
6911 * fixinc/inclhack.sh: regen
6912 * fixinc/fixincl.sh: regen
6914 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6916 * cpphash.c (collect_expansion): Trim trailing white space
6917 from macro definitions, but don't go past the last insertion
6920 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6922 * i386.md (mulqi3): New pattern.
6924 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6926 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6928 (struct cpp_reader): Add parsing_if_directive and
6929 parsing_define_directive flags.
6930 (struct cpp_options): Remove output_conditionals flag.
6931 (check_macro_name): Delete prototype.
6933 * cpphash.h (struct macrodef): Delete.
6934 (struct reflist): Separate from struct definition.
6935 (struct definition): Remove unused fields. Add column number.
6936 (create_definition): Returns a DEFINITION *. Takes a
6937 cpp_reader * and an int.
6939 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6940 (PEEKC): Copy defn from cpplib.c.
6941 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6943 (struct arglist): Simplify.
6944 (collect_expansion): Rewrite. Get tokens by calling
6945 cpp_get_token. Add more error checking.
6946 (collect_formal_parameters): New function, broken out of
6947 create_definition and reworked to use get_directive_token.
6948 (create_definition): All real work is now in collect_expansion
6949 and collect_formal_parameters. do_define handles finding the
6950 macro name. Return a DEFINITION, not a MACRODEF.
6951 (macroexpand): Replace bcopy with memcpy throughout. Replace
6952 character-at-a-time copy loop with memcpy and pointer increments.
6953 (compare-defs): d1->argnames / d2->argnames might be null.
6955 * cpplib.c (copy_rest_of_line): Delete function.
6956 (skip_rest_of_line): Do all the work ourselves.
6957 (skip_string): New function.
6958 (parse_string): Use skip_string.
6959 (get_macro_name): New function.
6960 (check_macro_name): Delete.
6961 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6962 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6963 (handle_directive): ICE if we're called on a macro buffer.
6964 (do_define): Determine macro name and type (funlike/objlike)
6965 here. Expunge all uses of MACRODEF.
6966 (cpp_push_buffer): Set line_base to NULL.
6967 (do_undef, read_line_number): Don't worry about getting a POP token.
6968 (eval_if_expression): Set/reset parsing_if_directive around
6969 cpp_parse_expr. Don't clear only_seen_white.
6970 (skip_if_group): Remove output_conditionals logic. Use
6972 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6973 tokens under appropriate conditions.
6974 (cpp_unassert): Call do_unassert not do_assert. Oops.
6976 * cppexp.c (parse_defined): New function, break out of
6978 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6979 ourselves, with cpp_defined.
6980 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6982 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6983 * gcc.dg/strpaste-2.c: New.
6985 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6987 * fold-const.c (size_binop): Don't asert inputs are the same and
6988 have TYPE_IS_SIZETYPE set.
6989 (size_diffop): Likewise.
6991 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6993 * dwarfout.c (output_block): Output abstract blocks even if they
6994 don't have TREE_ASM_WRITTEN set.
6996 * calls.c (emit_library_call): Check for null REG.
6998 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7000 * c-decl.c (current_function_decl): Move to toplev.c.
7001 (init_decl_processing): Don't add current_function_decl as a ggc
7003 * dbxout.c (dbxout_symbol): Change return type to int.
7004 (dbxout_symbol_location, dbxout_syms): Likewise.
7005 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7006 any locals. Use current_function_func_begin_label if set.
7007 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7008 * dwarf2out.c (dwarf2out_begin_prologue): Set
7009 current_function_func_begin_label.
7010 * final.c (final_start_function): Reset it.
7011 * toplev.c (current_function_decl): Define it here.
7012 (current_function_func_begin_label): New variable.
7013 (main): Add both as ggc roots.
7014 * tree.h (current_function_func_begin_label): Declare.
7016 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7018 * gcse.c: Cleanups throughout: mostly white-space, but also
7019 some minor rearrangement of code.
7021 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7023 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7024 returns a PARALLEL. Use emit_group_load and use_group_regs
7026 (emit_library_call_value): Similarly.
7028 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7029 * pa/quadlib.asm: Remove.
7030 * pa/quadlib.c: New file.
7032 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7033 * configure: Rebuilt.
7035 2000-02-29 Philip Blundell <pb@futuretv.com>
7037 * config/arm/conix-elf.h: New file.
7038 * configure.in (arm*-*-conix*): New configuration.
7039 * configure: Regenerate.
7041 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7043 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7044 don't have TREE_ASM_WRITTEN set.
7046 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7048 * Eliminate DECL_FIELD_SIZE.
7049 * builtins.c (built_in_class_names, built_in_names): New variables.
7050 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7051 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7052 DECL_SIZE, not DECL_FIELD_SIZE.
7053 * print-tree.c (print_node): Remove code that prints extra blank
7054 lines in some cases.
7055 Properly handle inline and builtin function cases.
7056 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7057 * tree.h (built_in_class_named, built_in_names): New declarations.
7058 (union tree_decl): Rename internal unions to u1 and u2 and change
7059 some of their components.
7060 Add new field built_in_class.
7061 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7062 Reflect above changes.
7063 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7064 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7065 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7066 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7068 2000-02-28 Dmitri Makarov <dim@windriver.com>
7070 * extend.texi: Document ARM's support for long/short calls.
7072 * invoke.texi: Document ARM's -mlong-calls command line switch.
7074 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7075 (arm_encode_call_attribute): Add prototype.
7076 (arm_set_default_type_attribute): Add prototype.
7077 (arm_strip_name_encoding): Add prototype.
7079 * config/arm/arm.c (arm_init_cumulative_args): replace
7080 initialisation og 'long_calls' field with initialisation of
7081 'call_cookie' field.
7082 (enum arm_pragma_enum): New enum.
7083 (arm_pragma_long_calls): New static variable.
7084 (arm_process_pragma): Also process "#pragma long_calls_off".
7085 (arm_valid_type_attribute_p): Accept short_call attribute.
7086 (arm_comp_type_attributes): Check long/short call attributes.
7087 (arm_encode_call_attribute): New function: Encode long_call
7088 or short_call attribute in function name.
7089 (arm_set_default_type_attributes): New function: Assign
7090 default attributes to newly defined type.
7091 (current_file_function_operand): New function: Return true if
7092 the symbol is a function which has already been compiled.
7093 (arm_is_longcall_p): New function: Return true if the
7094 indicated function should be called via a long call.
7095 (arm_get_strip_length): New function. Returns number of
7096 prefix characters to be stripped from a function's name.
7097 (arm_strip_name_encoding): New function. Strip prefix characters
7098 from a function's name.
7100 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7102 (SHORT_CALL_FAG_CHAR): Define.
7103 (LONG_CALL_FAG_CHAR): Define.
7104 (ENCODED_SHORT_CALL_ATTR_P): Define.
7105 (ENCODED_LONG_CALL_ATTR_P): Define.
7106 (ARM_NAME_ENCODING_LENGTHS): Define.
7107 (STRIP_NAME_ENCODING): Define.
7108 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7109 (ARM_ENCODE_CALL_TYPE): Define.
7110 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7111 (ARM_DECLARE_FUNCTION_SIZE): Define.
7112 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7114 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7115 if a long call is needed.
7116 (call_value): Ditto.
7117 (call_symbol): Ditto.
7119 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7120 ARM_DECLARE_FUNCTION_SIZE.
7122 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7123 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7124 (ARM_STRIP_NAME_ENCODING): Undefine.
7125 (STRIP_NAME_ENCODING): Undefine.
7126 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7127 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7128 (ASM_OUTPUT_COMMON): Ditto.
7129 (ASM_DECLARE_OBJECT_NAME): Ditto.
7131 * config/arm/pe.c (arm_dllexport_name_p): Check for
7133 (arm_dllimport_name_p): Ditto.
7134 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7135 (arm_mark_dllimport): Ditto.
7137 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7139 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7141 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7143 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7145 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7147 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7148 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7149 NO_BUILTIN_WCHAR_TYPE is not defined.
7150 (CPP_WCHAR_TYPE): Delete.
7151 * cccp.c (main): Don't change wchar_type if cplusplus.
7152 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7154 2000-02-28 Nick Clifton <nickc@cygnus.com>
7156 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7158 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7160 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7161 (ASM_WEAKEN_LABEL): Define.
7163 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7165 * expr.c (store_constructor): Do not emit USE.
7166 * rtl.h (stupid_life_analysis): Remove.
7168 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7170 * function.c (number_blocks): Reset next_block_index based on
7171 what debugging format is used, not what is defined.
7173 * lcm.c: Minor reformatting throughout.
7174 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7176 * toplev.c (rest_of_compilation): Account for time in
7177 optimize_mode_switching.
7179 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7180 if only marking labels.
7182 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7184 * calls.c (expand_call): Attempt to combine stack adjustments with
7185 pending stack adjustments.
7187 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7189 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7190 to the end of the function.
7192 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7194 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7196 * final.c (next_block_index): Remove.
7197 (max_block_depth): Likewise.
7198 (pending_blocks): Likewise.
7199 (init_final): Don't initialize them.
7200 (final_start_function): Don't set next_block_index. Set up
7202 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7203 * function.h (number_blocks): New function.
7204 * function.c (get_block_vector): New function.
7205 (identify_blocks): Use it.
7206 (reorder_blocks): Set NOTE_BLOCK.
7207 (number_blocks): New function.
7208 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7209 * tree.h (BLOCK_NUMBER): New macro.
7210 (tree_block): Add block_num field.
7211 * dbxout.c (next_block_number): Remove.
7212 (dbxout_init): Don't set it.
7213 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7214 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7216 * toplev.c (rest_of_compilation): Always call
7217 find_loop_tree_blocks. Fix indentation.
7218 * dwarf2out.c (next_block_number): Remove.
7219 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7220 to determine block numbers.
7221 (gen_inlined_subroutine_die): Likewise.
7222 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7223 (decls_for_scope): Don't increment next_block_number.
7224 * dwarfout.c (next_block_number): Remove.
7225 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7226 to determine block numbers.
7227 (output_inlined_subroutine_die): Likewise.
7228 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7229 (output_decls_for_scope): Don't increment next_block_number.
7230 * sdbout.c (next_block_number): Remove.
7231 (sdbout_block): Use BLOCK_NUMBER.
7232 (sdbout_begin_block): Simplify.
7233 * xcoffout.c (next_block_number): Remove.
7234 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7235 (xcoffout_begin_block): Don't set next_block_number.
7236 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7239 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7241 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7242 (expand_builtin_strcpy): Pass correct type to size_binop.
7243 (expand_builtin_strcmp): Likewise.
7244 Clean up conditional structure.
7245 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7246 (complete_array_type): Don't use size_binop for MAXINDEX.
7247 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7248 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7249 (c_alignof): Use size_one_node.
7250 (build_unary_op): Pass arg of proper type to size_binop.
7251 (really_start_incremental_init, push_init_level): Use sizetype for
7252 constructor{,_bit,_unfilled}_index.
7253 (pop_init_label, output_init_element): Likewise.
7254 (output_pending_init_elements, process_init_element): Likewise.
7255 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7256 * expr.c (store_expr): Use size_int.
7257 (store_constructor): Use proper types for size_binop args.
7258 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7259 (expand_expr_unaligned): Likewise.
7260 (string_contant): Return object of sizetype.
7261 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7262 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7263 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7264 * fold-const.c (int_const_binop): Refine when size_int is called.
7265 (fold_convert): Likewise.
7266 (size_int_wide): Rework to take KIND as arg, only take low order
7267 bits, handle new sizetype_tab datatype, and chain entries in
7269 (size_int_type_wide): New function.
7270 (size_binop): Validate types of arguments.
7271 (ssize_binop): Deleted.
7272 (size_diffop): New function.
7273 (extract_muldiv): Only fold division into multiplication for sizetypes.
7274 * function.c (assign_parms): Use size_diffop and make sure
7275 VAR field is of ssizetype; also pass proper type to size_binop.
7276 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7277 (round_down): Deleted from here.
7278 * store-layout.c (sizetype_tab): Now an array.
7279 (sizetype_set, early_root_list): New variables.
7280 (variable_size): Use size_one_node.
7281 (round_up): Pass proper type to size_binop.
7282 (round_down): Moved to here and corrected as above.
7283 (layout_record): Pass proper arg types to size_binop.
7284 (layout_type): Likewise.
7285 If sizetype_set is zero, record the type just laid out.
7286 (make_unsigned_type): Don't call set_sizetype;
7287 (make_signed_type): Likewise; also, call fixup_signed_type.
7288 (initialize_sizetypes): New function.
7289 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7290 set name of bitsizetype to "bit_size_type".
7291 Fix up type of sizes of all types made before call.
7292 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7293 * tree.c (fix_sizetype): Deleted.
7294 (build_common_tree_nodes): Call initialize_sizetypes.
7295 (build_common_tree_nodes_2): Don't call fix_sizetype.
7296 * tree.h (TYPE_IS_SIZETYPE): New macro.
7297 (initialize_sizetype): New declaration.
7298 (enum size_type_kind): New type.
7299 (struct sizetype_tab): Deleted.
7300 (sizetype_tab): Now array; adjust sizetype macros.
7301 (size_diffop, size_int_type_wide): New functions.
7302 (size_int_wide): Change number of args and type; access macros changed.
7303 (ssize_int, sbitsize_int): New macros.
7304 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7305 (ROUND_TYPE_SIZE_UNIT): New macro.
7307 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7309 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7311 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7313 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7314 Mark as possibly unused.
7316 * cse.c (cse_insn): Delete dead code involving tablejump.
7317 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7319 * Makefile.in (libcpp.a): Start by deleting it.
7321 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7323 * cpplib.h (enum file_change_code): Added rename_file.
7324 * cpplib.c (do_line): If a filename is given, set file_change to
7326 (output_line_command): If file_change is rename_file, always
7327 output a # directive with the file name.
7329 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7331 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7333 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7334 when copying a PARM_DECL or RESULT_DECL.
7336 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7338 * fix-header.c (recognized_function): Also fix prototypes for
7339 functions taking "void".
7341 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7343 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7344 looking at reg_reloaded_contents.
7346 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7348 * Makefile.in (STMP_FIXINC): New toggle.
7349 (LIBGCC2_DEPS): Delete all references.
7350 (stmp-headers): Delete target. All references either deleted
7351 or changed to stmp-int-headers.
7352 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7353 (LIBCPP_OBJS): Take out cppalloc.o.
7354 (cppalloc.o): Delete target.
7355 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7356 (gen-protos, fix-header): Link with libiberty.a.
7357 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7360 * configure.in: Remove refs to strerror.
7361 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7362 * system.h: Take out strerror stanza.
7364 * cpperror.c (my_strerror): Delete function.
7365 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7366 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7367 * cppalloc.c: Delete file.
7368 * gen-protos.c: Don't provide xrealloc.
7370 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7371 xstrerror throughout.
7373 2000-02-26 Bruce Korb <bkorb@gnu.org>
7375 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7376 match for DOS headers, too.
7377 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7379 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7381 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7382 is right for most ELF targets.
7383 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7384 Let the default file use %U properly.
7385 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7388 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7391 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7393 * toplev.c (documented_lang_options): Correct spelling error.
7394 (decode_d_option, decode_f_option, main): Likewise.
7396 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7398 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7399 to tell assembler it is permitted to expand large constants.
7401 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7403 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7404 (aux_info_suffix): Use.
7405 (SAVE_SUFFIX): New macro.
7407 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7408 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7409 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7411 * invoke.texi (Running Protoize): Update documentation.
7413 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7415 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7417 2000-02-25 John Wehle (john@feith.com)
7419 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7421 2000-02-25 Anthony Green <green@cygnus.com>
7423 * toplev.c (rest_of_compilation): Rebuild jump labels if
7424 combine_instructions has created a new direct jump.
7425 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7427 (combine_instructions): Call try_combine with new argument.
7428 Return non-null value when new direct jump instruction is created.
7429 * rtl.h: combine_instructions returns an int.
7431 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7433 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7434 jump when changing a computed jump into a jump to a known
7437 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7439 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7440 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7442 * i386.md (define_expand "clrstrsi"): Fix typo.
7444 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7446 * rtl.texi: Fix typo.
7448 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7450 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7451 UNITS_PER_WORD. Change caller initial_elimination_offset.
7452 (rounded_frame_size): Take into account that argument pushed has
7453 changed. Fix TARGET_ALIGN_DOUBLE problem.
7455 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7457 * haifa-sched.c (schedule_block): Explain the real reason
7458 we delete REG_SAVE_NOTEs on the first insn of a block.
7459 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7461 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7463 * input.h (push_srcloc): New function.
7464 (pop_srcloc): Likewise.
7465 * toplev.c (push_srcloc): Define it.
7466 (pop_srcloc): Likewise.
7468 2000-02-24 Richard Henderson <rth@cygnus.com>
7470 * flow.c (life_analysis): When collecting reg info, clear
7473 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7475 Fix bug exposed by reload.c no longer rounding the frame
7476 size to BIGGEST_ALIGNMENT:
7477 * sh.c (rounded_frame_size): New function.
7478 (sh_expand_prologue, sh_expand_epilogue): Use it.
7479 (initial_elimination_offset): Likewise.
7481 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7483 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7484 * sh-protos.h (sh_need_epilogue): Declare.
7485 * sh.c (sh_need_epilogue_known): New static variable.
7486 (sh_need_epilogue): New function.
7487 (function_epilogue): Clear need_epilogue_known.
7488 * sh.md (return): Split into expander / insn pattern.
7489 Make the expander conditional on ! sh_need_epilogue ().
7491 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7493 * machmode.h (get_mode_alignment): Declare.
7494 (GET_MODE_ALIGNMENT): Call it.
7495 * stor-layout.c (get_mode_alignment): New function. Make
7496 sure alignment is always power of 2.
7498 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7500 * i386.h: Remove useless definition of "I386" and misleading
7503 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7505 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7506 under which TREE_PERMANENT will be set.
7507 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7508 build1): Use TREE_SET_PERMANENT.
7509 * print-tree.c (print_node): Don't report value of
7510 TREE_PERMANENT if ggc_p is true.
7512 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7513 decide whether to give a type a new alias set.
7514 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7515 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7516 of value of 'obstack'.
7519 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7521 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7523 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7525 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7526 * cpplib.c (cpp_get_token): Produce them.
7527 * cppexp.c (cpp_lex): Handle them.
7529 2000-02-23 Nick Clifton <nickc@cygnus.com>
7531 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7532 comment tests on type attributes.
7534 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7536 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7537 conform to documentation.
7538 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7539 to check for special cases.
7540 * sh-protos.h (sh_loop_align): Declare.
7541 * sh.c (sh_loop_align): Define.
7543 2000-02-22 Andrew Haley <aph@cygnus.com>
7545 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7546 (SIZE_TYPE): Is 32 bits when using -mgp32.
7547 (PTRDIFF_TYPE): Ditto.
7549 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7551 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7553 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7555 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7556 BIGGEST_FIELD_ALIGNMENT a constant.
7558 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7560 * dwarf2out.c (output_line_info): Put the marker for the end of
7561 the line number info at the actual end.
7562 (gen_struct_or_union_type_die): Use decl_function_context
7563 to check for local classes.
7564 * dwarfout.c (output_type): Likewise.
7566 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7568 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7569 for arguments with a mode, but no type.
7570 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7571 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7572 * pa/long_double.h: New file.
7573 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7574 both have 128bit wide long doubles.
7575 * configure: Rebuilt.
7577 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7579 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7581 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7582 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7583 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7585 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7587 * integrate.c (compare_blocks, find_block): Likewise.
7589 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7591 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7593 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7594 expand_asm_operands): Likewise.
7596 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7598 * predict.c (estimate_probability): Added the pointer heuristic to
7599 the collection of static branch predictors.
7601 2000-02-21 Catherine Moore <clm@cygnus.com>
7603 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7604 * invoke.texi (-mfix7000): Document.
7606 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7608 * diagnostic.c (init_output_buffer): Make it possible to output at
7609 least 32 characters if we're given a too long prefix.
7611 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7613 * varasm.c (initializer_constant_valid_p): Call
7614 lang_expand_constant to simplify the constant.
7616 2000-02-20 Bruce Korb <bkorb@gnu.org>
7618 * fixinc/inclhack.def(stdio_va_list):
7619 typedef needs to be disabled.
7620 * fixinc/inclhack.sh: regen
7621 * fixinc/fixincl.x: regen
7623 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7625 * print-rtl.c (print_rtx): Don't print addresses when
7626 flag_dump_unnumbered.
7628 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7630 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7632 (sparc_va_arg, sparc_flat_output_function_prologue,
7633 sparc_flat_output_function_epilogue): Cast value to unsigned in
7635 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7637 * sparc.md: Add default case in switch.
7639 2000-02-19 Richard Henderson <rth@cygnus.com>
7641 * c-typeck.c (add_pending_init): Don't abort for multiple
7642 fields at the same offset.
7643 (pending_init_member): Test the correct member.
7645 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7647 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7649 (start_catch_handler) : Same.
7651 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7653 * Makefile.in: Have flow.o depend on $(EXPR_H)
7655 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7657 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7658 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7659 (finish_decl): Remove -Wlarger-than code from here.
7660 * flags.h (id_clash_len): Now int.
7661 (larger_than_size): Now HOST_WIDE_INT.
7662 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7663 Clean up checking to see if in table.
7664 (make_bit_field_ref): Remove extra parm to bitsize_int.
7665 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7666 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7667 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7668 and for computing size of decl.
7669 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7670 Move -Wlarger-than code to here.
7671 (layout_record): Remove extra arg to bitsize_int.
7672 Set TYPE_BINFO_SIZE_UNIT.
7673 (layout_union): Remove extra arg to bitsize_int.
7674 Use proper type for size of QUAL_UNION.
7675 (layout_type): Remove extra arg to bitsize_int.
7676 * toplev.c (id_clash_len): Now int.
7677 (larger_than_size): Now HOST_WIDE_INT.
7678 (decode_W_option): Clean up id-clash and larger-than- cases.
7679 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7680 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7681 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7682 (struct tree_decl): New field size_unit.
7683 (size_int_wide): No HIGH operand; NUMBER is now signed.
7684 (size_int_2): Deleted.
7685 (size_int, bitsize_int): Don't use it and rework args.
7686 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7688 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7690 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7692 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7694 * invoke.texi (Warning Options): Add an explanation of why
7695 you might want the -Wfloat-equal flag.
7697 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7699 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7700 * cppinit.c (new_pending_define): Add cast to avoid warning.
7701 * expmed.c (extract_bit_field): Likewise.
7702 * flow.c (enum reorder_skip_type): New type.
7703 (skip_insns_between_blcok): New it.
7704 Rework to avoid warning about possibly undefined variable.
7705 * function.c (assign_parms): Make thisparm_boundary unsigned.
7706 * genrecog.c (write_switch): Cast XWINT result to int.
7707 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7708 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7709 one for MIPS and one for Alpha.
7710 (get_tag, copy_object): Add casts to avoid warnings.
7711 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7712 * reload.c (find_reloads): Make TYPE enum reload_type.
7713 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7714 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7715 * varasm.c (compare_constant_1): Add cast to avoid warning.
7716 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7718 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7719 Cast switch operand of size to int.
7720 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7721 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7724 2000-02-18 Nick Clifton <nickc@cygnus.com>
7726 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7727 anything for an alignment of zero.
7729 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7730 anything for an alignment of zero.
7732 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7734 * gcc.texi (Bug Reporting): Refer to bugs.html.
7735 (Bug Lists): Likewise.
7736 * system.h (GCCBUGURL): New preprocessor define.
7737 * rtl.c (fancy_abort): Use it.
7738 * gcc.c (main): Likewise.
7740 2000-02-18 Richard Henderson <rth@cygnus.com>
7742 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7743 (life_analysis_1): Subsume into ...
7744 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7745 Use update_life_info for the relaxation.
7746 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7747 entry and regs_live_at_setjmp.
7748 (set_noop_p): Simplify.
7749 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7750 (record_volatile_insns): Split into ...
7751 (delete_noop_moves): ... here,
7752 (notice_stack_pointer_modification): ... here,
7753 (insn_dead_p): ... and here.
7754 (propagate_block): Don't query INSN_VOLATILE.
7755 (mark_used_regs): Mind !PROP_REG_INFO.
7756 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7757 not in life_analysis.
7759 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7761 * loop.c (canonicalize_condition): New function,
7762 broken out of get_condition.
7763 (get_condition): Use it.
7764 * expr.h (canonicalize_condition): Prototype it.
7766 * tree.h (tree_int_cst_msb): Declare.
7767 * tree.c (tree_int_cst_msb): New function.
7769 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7771 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7774 * invoke.texi (-fmessage-length=n): Document.
7776 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7778 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7780 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7782 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7785 2000-02-17 Nick Clifton <nickc@cygnus.com>
7787 * config/arm/thumb.c: Replace includes of system headers with
7788 #include "system.h".
7790 2000-02-16 Richard Henderson <rth@cygnus.com>
7792 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7793 Add crtbeginS.o and crtendS.o.
7794 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7795 (ENDFILE_SPEC): Use crtendS.o.
7796 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7798 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7799 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7801 (__dso_handle): New variable.
7802 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7803 bias to __CTOR_END__.
7805 2000-02-16 Richard Henderson <rth@cygnus.com>
7807 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7809 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7811 * longlong.h (__clz_tab): Declare as static to match definition.
7813 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7814 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7815 (XREF_FILE_NAME): Define.
7817 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7818 (EH_FRAME_SECTION_ASM_OP): Define.
7819 (IDENT_ASM_OP): Define.
7820 (TEXT_SECTION_ASM_OP): Define.
7822 (CTORS_SECTION_ASM_OP): Define.
7823 (CTOR_SECTION_FUNCTION): Use it.
7824 (DTORS_SECTION_ASM_OP): Define.
7825 (DTOR_SECTION_FUNCTION): Use it.
7827 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7829 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7832 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7833 debug_bb_n): New functions.
7834 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7835 * basic-block.h: Prototype new functions.
7837 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7839 * configure.in: Add support for avr target.
7840 * configure: Rebuilt.
7842 * invoke.texi: Add AVR invocation docs.
7843 * install.texi: Add information about AVR.
7844 * md.texi: Add AVR constraint letters description.
7845 * extend.texi: Add description for AVR specific attributes.
7847 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7849 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7851 2000-02-16 Nick Clifton <nickc@cygnus.com>
7853 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7854 (make_insn_raw): Move RTL check here.
7856 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7858 * version.c: Include gansidecl.h and version.h.
7860 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7862 * configure.in (gcc_version): When setting, narrow search to
7863 lines containing `version_string'.
7865 * Makefile.in (mainversion): Likewise.
7866 (GCC_H): New variable.
7867 (gcc.h): Delete target.
7868 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7869 (version.o): Depend on version.h.
7870 (dbxout.o): Don't depend on gcc.h.
7872 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7873 Michael Meissner <meissner@cygnus.com>
7875 * md.texi (Simple Constraints): Add item about whitespace.
7876 * genoutput.c (strip_whitespace): New.
7877 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7878 strip_whitespace for constraints.
7879 Test pointer using NULL, not 0.
7881 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7883 * cpplib.c (do_line): Pedwarn for #line > 32767.
7885 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7887 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7889 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7890 to default cpp spec.
7891 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7892 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7895 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7898 2000-02-15 Denis Chertykov <denisc@overta.ru>
7900 * configure.in: Add support for avr target.
7902 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7904 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7905 (sh_addr_diff_vec_mode): Don't declare.
7906 * sh.c (sh_addr_diff_vec_mode): Delete.
7908 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7910 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7912 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7914 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7915 (smulsi3_highpart_i): Name.
7916 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7917 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7918 (smulsi3_highpart, umulsi3_highpart): Likewise.
7920 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7921 correctly independent of endianness.
7922 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7923 confuse the optimizers.
7924 (mulsidi3+1, umulsidi3+1): New define_split.
7926 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7928 * config/sh/sh.md: Guard insn splits against illegal registers.
7929 * config/sh/sh.h: Correct comment about macros.
7931 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7932 Andrew MacLeod <amacleod@cygnus.com>
7934 * Makefile.in (lcm.o): Depend on insn-attr.h.
7935 * basic-block.h (optimize_mode_switching): Declare.
7936 * lcm.c (tm_p.h, insn-attr.h): #include.
7937 (seginfo, bb_info): New structs.
7938 (antic, transp, comp, delete, insert) : New file-scope static variables.
7939 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7940 (reg_becomes_live, optimize_mode_switching): Likewise.
7941 * tm.texi: Add description of mode switching macros.
7942 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7944 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7945 (fldi_ok, fpscr_set_from_mem): New prototypes.
7946 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7947 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7948 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7949 (sh_flag_remove_dead_before_cse): Remove declaration.
7950 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7951 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7952 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7953 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7954 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7955 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7956 (fldi_ok): New function.
7957 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7958 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7959 (emit_df_insn): Likewise.
7960 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7961 (sh_flag_remove_dead_before_cse): Delete.
7962 (get_free_reg, fpscr_set_from_mem): New functions.
7963 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7964 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7966 2000-02-15 Loren Rittle <ljrittle@acm.org>
7968 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7970 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7972 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7973 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7975 * cccp.c: Include version.h and/or don't declare `version_string'.
7976 * collect2.c: Likewise.
7977 * alpha.c: Likewise.
7978 * arm/aof.h: Likewise.
7979 * arm/coff.h: Likewise.
7980 * arm/elf.h: Likewise.
7981 * arm/pe.h: Likewise.
7982 * arm/tcoff.h: Likewise.
7983 * arm/telf.h: Likewise.
7984 * arm/tpe.h: Likewise.
7985 * arm/vxarm.h: Likewise.
7986 * convex/convex.c: Likewise.
7987 * i386/dgux.c: Likewise.
7988 * i386/sun386.h: Likewise.
7989 * m88k/m88k.c: Likewise.
7990 * mcore/mcore-pe.h: Likewise.
7991 * mips/mips.h: Likewise.
7992 * romp/romp.h: Likewise.
7993 * sh/sh.c: Likewise.
7994 * cpphash.c: Likewise.
7995 * cppinit.c: Likewise.
7996 * dwarf2out.c: Likewise.
7997 * dwarfout.c: Likewise.
8000 * mips-tfile.c: Likewise.
8001 * protoize.c: Likewise.
8002 * toplev.c: Likewise.
8005 * version.c (version_string): Constify a char*.
8007 * version.h: New file.
8009 2000-02-14 Nick Clifton <nickc@cygnus.com>
8011 * configure.in: Add mcore-elf and mcore-pe targets.
8012 * configure: Regenerate.
8014 * NEWS: Add note that MCore port has been contributed.
8016 * invoke.texi: Document command line switches for MCore port.
8017 * install.texi: Add MCore to list of supported targets.
8019 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8021 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8022 then we will need to import the frame handling functions.
8023 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8024 to import the frames themselves.
8026 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8027 Jason Eckhardt <jle@cygnus.com>
8029 * basic_block.h: Added prototype for reorder_basic_blocks.
8030 * toplev.c: Changes to add -freorder-blocks and graph dump after
8031 block reordering is done.
8032 * flow.c (reorder_block_def): New structure for use during block
8034 (REORDER_BLOCK_*): New macros to access members of above structure.
8035 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8036 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8037 functions for block reordering.
8039 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8041 * gcc.texi (Passes): Fix typo.
8042 * md.texi (Standard Names): Ditto.
8043 * tm.texi (Storage Layout): Ditto.
8045 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8047 * cpplib.c (do_define): Only free the old definition if it
8050 2000-02-13 Neil Booth <NeilB@earthling.net>
8052 * cppfiles.c (read_and_prescan): When emitting deferred
8053 newlines, test speccase[] again instead of checking each
8054 possible whitespace character in turn. When we encounter \r,
8055 look behind for \n first, then ahead.
8057 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8059 * cse.c (cse_altered): New internal flag.
8060 (cse_insn): Set it if we changed an insn.
8061 (cse_main): Clear cse_altered before each basic block.
8062 Only garbage collect if cse_altered is true afterward.
8064 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8066 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8068 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8070 * combine.c (simplify_comparison): Fix typo.
8072 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8074 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8077 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8079 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8080 previously inserted node instead of root node. Caller changed.
8082 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8084 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8086 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8088 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8089 __dereg_frame_dtor): Add prototype argument.
8091 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8093 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8095 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8097 * gthr-vxworks.h (__gthread_once): Likewise.
8099 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8101 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8103 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8104 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8105 stack pointer in functions w/o saved registers, output LEAVE more often
8106 on TARGET_USE_LEAVE machines.
8108 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8110 * config/arm/arm.c (arm_init_cumulative_args); New function:
8111 Initlaise the CUMULATIE_ARGS strcuture for a function
8113 (arm_function_arg): New function: Determine where to place a
8114 function's argument. Also handles deciding the function's
8116 (current_file_function_operand): New function: Return true if
8117 the symbol is a function which has already been compiled.
8118 (arm_is_long_call_p): New function: Return true if the
8119 indicated function should be called via a long call.
8120 (arm_valid_type_attribute_p): New function: Return true if the
8121 attribute is a valid, arm specific, attribute.
8122 (arm_comp_type_attribute): New function: Return true if the
8123 two types have compatable, arm specific, attributes.
8125 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8127 (FUNCTION_ARG): Redefine to call arm_function_arg.
8128 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8130 (INIT_CUMULATIVE_ARGS): Redefine to call
8131 arm_init_cumulative_args.
8132 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8134 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8136 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8138 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8139 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8140 (COMP_TYPE_ATTRIBUTES): Define.
8142 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8143 if a long call is needed.
8144 (call_value): Call arm_is_long_call_p to decide if a long call
8146 (call_symbol): Call arm_is_long_call_p to decide if a long call
8149 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8151 2000-02-11 Denis Chertykov <denisc@overta.ru>
8153 * README.AVR: New file with information about the avr ports.
8154 * config/avr: New directory with avr port files.
8156 2000-02-11 Andreas Jaeger <aj@suse.de>
8158 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8160 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8162 * cpphash.c: Fix formatting, update commentary.
8163 (dump_definition): Take three separate arguments instead of a
8164 MACRODEF structure argument.
8165 * cpphash.h: Update prototype of dump_definition.
8166 * cppinit.c (cpp_finish): Update call of dump_definition.
8168 * cpplib.c (do_define): Always create new hash entry with
8169 T_MACRO type. Remove redundant check for redefinition of
8170 poisoned identifier. Update call of dump_definition.
8171 (do_undef): Don't call check_macro_name. Rename sym_length to
8173 (do_error, do_warning): Don't use copy_rest_of_line or
8175 (do_warning): Don't use pedwarn for the actual warning,
8176 only the notice about its not being in the standard. (Fixes
8177 bug with #warning in system headers.)
8178 (do_ident): Stricter argument checking - accept only a single
8179 string after #ident. Also, macro-expand the line.
8180 (do_xifdef): Use cpp_defined. De-obfuscate.
8182 (do_pragma): Split out specific pragma handling to separate
8183 functions. Use get_directive_token. Update commentary. Do
8184 not pass on #pragma once or #pragma poison to the front end.
8185 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8186 do_pragma_default): New.
8188 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8190 * jump.c (jump_optimize_1): The first operand in a relational
8192 * optabs.c (emit_conditional_move): Handle relationals which
8193 have a known true/false result.
8195 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8197 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8198 a RETURN insn into a block which already ends with a jump.
8200 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8202 * haifa-sched.c (BUF_LEN): Increase a lot.
8204 2000-02-11 Nick Clifton <nickc@cygnus.com>
8206 * configure.in: Add tm_p_file specification for thumb targets.
8207 * configure: Regenerate.
8209 * config/arm/thumb-protos.h: New file: Prototypes for exported
8210 functions defined in thumb.c.
8212 2000-02-11 Robert Lipe <robertl@sco.com>
8214 * Makefile.in (bootstrap-lean): Remove additional files.
8215 (bootstrap2-lean): Likewise.
8216 (VOL_FILES): List of files for above.
8218 2000-02-11 Nathan Sidwell <nathan@acm.org>
8220 * cpphash.c (special_symbol): Remove spurious argument to
8223 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8225 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8227 * configure: Rebuilt.
8229 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8231 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8233 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8235 * pa.c, pa.h: Remove trigraph sequences within comments.
8237 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8239 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8241 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8243 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8245 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8247 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8249 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8251 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8252 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8253 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8254 (ASM_FILE_END): Use c4x_file_end.
8255 * config/c4x/c4x.c (c4x_global_label): New function.
8256 (c4x_external_ref, c4x_file_end): Likewise.
8258 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8259 (c4x_external_ref, c4x_end_file): Likewise.
8261 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8263 * cppexp.c: Don't include cpphash.h.
8264 (parse_charconst, cpp_lex): Use cpp_defined.
8265 (cpp_lex): Use get_directive_token throughout. Remove
8266 unnecessary cases from switch. Move assertion-handling code
8268 (cpp_parse_expr): If we see '+' or '-', check the context to
8269 determine if they are unary or binary operators. Streamline
8270 the jumps a bit. Do not call skip_rest_of_line.
8272 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8273 static. Export get_directive_token. Update commentary.
8274 (cpp_defined): New function.
8275 (do_define): Remove reference to T_PCSTRING. Call
8276 free_definition to release memory for old definition, when
8278 (eval_if_expression): Set only_seen_white to 0 before calling
8279 cpp_parse_expr. Call skip_rest_of_line after it returns.
8280 (cpp_read_check_assertion): Don't preserve a pointer into the
8281 token buffer across a call to cpp_get_token.
8283 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8284 * cppfiles.c (redundant_include_p): Use cpp_defined.
8285 * cpphash.c (free_definition): New function.
8286 (delete_macro): Use it. Update commentary.
8287 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8289 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8290 from enum node_type. Prototype cpp_defined and get_directive_token.
8291 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8293 * fix-header.c (check_macro_names): Use cpp_defined.
8294 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8295 the options structure.
8297 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8299 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8301 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8303 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8304 rather than die->die_tag.
8306 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8308 * combine.c (make_extraction, force_to_mode): Avoid warning on
8309 mixed-signedness conditionals.
8310 (make_field_assignment, nonzero_bits): Likewise.
8311 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8312 (store_split_bit_field, extract_split_bit_field): Likewise.
8313 (extract_fixed_bit_field, store_bit_field,
8314 * expr.c: Change alignment to be unsigned everywhere.
8315 (move_by_pieces, store_constructor_field, store_constructor):
8316 Alignment parm is unsigned.
8317 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8318 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8319 (do_compare_rtx_and_jump): Likewise.
8320 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8321 Compare align with GET_MODE_ALIGNMENT.
8322 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8323 (get_inner_reference): Likewise.
8324 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8325 (expand_assignment): Local vars for alignment now unsigned.
8326 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8327 (do_compare_and_jump): Likewise.
8328 (store_field): Call new function expr_align.
8329 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8330 Alignment arg now unsigned.
8331 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8332 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8333 (extract_bit_field): Likewise.
8334 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8335 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8336 (get_best_mode): Alignment arg is unsigned.
8337 * rtl.h (move_by_pieces): Likewise.
8338 * store-layout.c (maximum_field_alignment, set_alignment):
8340 (layout_decl): Alignment arg is now unsigned.
8341 Remove unneeded casts.
8342 (layout_record, layout_union, layout_type): Remove unneeded casts.
8343 Local alignment variables now unsigned.
8344 (get_best_mode): Alignment arg now unsigned.
8345 * tree.c (expr_align): New function.
8346 * tree.h (expr_align): Likewise.
8347 (maximum_field_alignment, set_alignment): Now unsigned.
8348 (get_inner_reference): Alignment argument is now pointer to unsigned.
8349 * varasm.c (assemble_variable): Add cast to eliminate warning.
8351 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8353 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8354 then store directly into op0.
8356 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8357 the CALL_INSN, and emit the note immediately after it.
8359 2000-02-10 Nick Clifton <nickc@cygnus.com>
8361 * config/arm/thumb.md (epilogue): Include a (return) in the
8362 generated insn, and emit it using emit_jump_insn not
8365 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8367 * function.c (assign_temp): Change zero-sized arrays to size 1.
8368 * integrate.c (expand_inline_function): Do not update
8369 stack_alignment_needed
8370 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8371 add some sanity checking, remove optimization for function with
8374 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8376 * flow.c (mark_regs_live_at_end): Delete unused variables.
8378 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8380 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8381 in macro FRAME_GROWS_DOWNWARD.
8383 * stmt.c (expand_end_bindings): Delete unused variable.
8385 * unroll.c (iteration_info): Mark parameter `loop' with
8388 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8390 * fixinc/server.c (load_data): Return NULL if the marker line is
8392 (run_shell): If load_data returns NULL, retry the command once, in
8395 * configure: Rebuilt.
8397 2000-02-09 Bruce Korb <bkorb@gnu.org>
8399 * gcc/fixincludes: ** DELETED **
8400 * gcc/fixcpp: ** DELETED **
8401 * gcc/fixinc-nt.sed: ** DELETED **
8402 * gcc/just-fixinc: ** DELETED **
8403 * gcc/Makefile.in: Removed out-dated commentary
8404 * gcc/configure.in: Removed fast-fixincludes disablement.
8405 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8407 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8408 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8411 2000-02-09 Richard Henderson <rth@cygnus.com>
8413 * jump.c (delete_insn): Don't delete user labels at -O0.
8415 2000-02-09 Robert Lipe <robertl@sco.com>
8417 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8418 Don't link with HOST_LIBS.
8420 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8422 * configure.in: Correct --help text for --with-dwarf2.
8423 Put tm-dwarf2.h after other tm files, if it's requested.
8424 * configure: Regenerate.
8425 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8428 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8430 * cpplib.h: Provide HASHNODE typedef and forward decl of
8431 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8432 DEFINITION, struct hashnode, struct macrodef, struct
8433 definition, scan_decls prototype, default defn of
8434 INCLUDE_LEN_FUDGE moved elsewhere.
8436 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8437 definition, and struct hashnode moved here. Remove the unused
8438 'predefined' field from struct definition. Replace the 'args'
8439 union with its sole member. All users updated (cpphash.c).
8440 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8441 multiple include guard.
8443 * cpphash.c (hashf): Make static; use better algorithm; drop
8444 HASHSIZE parameter; return an unsigned int.
8445 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8446 used. Calculate HASHSIZE modulus here.
8447 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8449 (create_definition): Drop PREDEFINITION parameter.
8450 * cpplib.c (do_define): Don't calculate a hash value here.
8451 Don't pass (keyword == NULL) to create_definition.
8453 * scan.h: Prototype scan_decls here.
8454 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8455 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8456 callers of cpp_lookup and cpp_install updated.
8458 * cpphash.c (macarg): Hoist all the flag diddling out of the
8460 (macroexpand): ... and out of the loop that calls macarg.
8461 Skip over the initial paren before macro arguments with
8462 cpp_get_non_space_token; point may be some distance before
8463 that paren. Abort if it's not there.
8465 * cpplib.c (parse_clear_mark): Delete function.
8466 (parse_set_mark, parse_goto_mark): Make static.
8467 (ACTIVE_MARK_P): New macro.
8468 (skip_block_comment, skip_line_comment): Do not bump the line
8469 if ACTIVE_MARK_P is true.
8470 (cpp_pop_buffer): The buffer to be popped may not have an
8472 (cpp_get_token): When looking for the initial paren before
8473 macro arguments, only set a mark in a file buffer, Always
8474 return to that mark before proceeding to call macroexpand or
8475 return a NAME token.
8477 * cpplib.h: Remove prototypes of parse_set_mark,
8478 parse_clear_mark, parse_goto_mark.
8479 (struct cpp_options): Rename 'put_out_comments' to
8480 'discard_comments' and invert its sense.
8481 * cppinit.c, cpphash.c, cpplib.c: All users of
8482 put_out_comments changed to use discard_comments, with
8485 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8487 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8488 the edge from a block that both jumps and falls through to the
8491 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8493 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8494 constant source address is legitimate.
8496 2000-02-09 Philip Blundell <pb@futuretv.com>
8498 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8501 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8503 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8505 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8507 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8508 ends with a newline and a NUL. Don't be so clever manipulating
8511 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8513 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8514 not to BIGGEST_ALIGNMENT.
8516 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8518 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8519 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8520 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8521 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8522 * frame.c (execute_cfa_insn): Handle
8523 DW_CFA_GNU_negative_offset_extended.
8525 2000-02-08 Richard Henderson <rth@cygnus.com>
8527 * flow.c (tidy_fallthru_edges): Split out from ...
8528 (delete_unreachable_blocks): ... here.
8529 (find_basic_blocks): Use it.
8531 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8535 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8537 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8538 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8539 (fix-header.o): Don't depend on cpphash.h.
8541 * scan.c (hashstr): New function.
8542 * scan.h: Prototype it.
8543 * fix-header.c: Don't include cpphash.h. Use hashstr.
8544 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8545 hashstr. Report hash table statistics. Add private
8546 definition of xrealloc.
8548 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8550 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8552 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8554 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8555 jumps with returns unless they are jumps to the fallthru block.
8557 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8559 * i386.md (addqi3_cc): Fix contraints.
8561 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8563 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8565 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8567 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8568 carriage return after a macro name.
8570 2000-02-07 Fred Fish <fnf@be.com>
8572 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8573 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8575 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8577 * cppfiles.c (deps_output): Count spacers in deps_column.
8579 2000-02-07 Neil Booth <NeilB@earthling.net>
8581 * cppinit.c (initialize_dependency_output): If there is no
8582 suffix, don't try to look for known suffixes. Use strrchr.
8583 (cpp_start_read): Remove duplicate initialization.
8585 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8587 * calls.c (compute_argument_block_size): New argument
8588 preferred_stack_boundary.
8589 (expand_call): update cfun->preferred_stack_boundary, update call of
8590 compute_argument_block_size
8591 (emit_library_call): Increate cfun->preferred_stack_boundary
8592 to PREFERRED_STACK_BOUNDARY
8593 (emit_library_call_value): Likewise.
8594 * explow.c (allocate_dynamic_stack_spave): Likewise.
8595 * function.c (prepare_function_start): Set
8596 cfun->preferred_stack_boundary
8597 * function.h (struct function): Add preferred_stack_boundary field.
8598 * integrate.c (expand_inline_function): Update
8599 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8600 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8601 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8603 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8605 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8606 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8607 cpp_pedwarn, cpp_pedwarn_with_line,
8608 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8609 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8610 v_cpp_error_with_line, v_cpp_warning_with_line,
8611 cpp_message_from_errno, cpp_perror_with_name): Delete.
8613 * cpperror.c (cpp_print_containing_files): Take starting
8615 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8616 (v_cpp_message): Now called directly by all entry points.
8618 (cpp_pfatal_with_name, cpp_message): Delete.
8619 (cpp_notice_from_errno, cpp_ice): New functions.
8620 (cpp_notice): Is now for reporting error conditions, just
8621 without an associated file.
8622 (cpp_error, cpp_error_with_line): Don't do anything if
8623 opts->inhibit_errors is on.
8624 (cpp_pedwarn_with_file_and_line): Take column argument also.
8626 * cpplib.h: Update prototypes of exported functions.
8627 (struct cpp_options): Add inhibit_errors.
8629 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8630 non-error messages. Include intl.h.
8632 * cppinit.c, cppmain.c: Likewise. Also, use
8633 cpp_notice_from_errno instead of cpp_perror_with_name or
8634 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8636 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8637 report internal errors.
8639 * cpplib.c (do_define): Switch bcopy to memcpy.
8640 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8642 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8643 bail out early if we hit a line comment.
8645 2000-02-06 Richard Henderson <rth@cygnus.com>
8647 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8648 * basic-block.h: Declare them.
8649 * emit-rtl.h (active_insn_p): New.
8650 (next_active_insn, prev_active_insn): Use it.
8651 * rtl.h: Declare it.
8652 * function.c (emit_return_into_block): New.
8653 (thread_prologue_and_epilogue_insns): Insert return insns instead
8654 of epilogues when possible.
8655 * jump.c (jump_optimize_1): Remove code to insert a return insn
8656 on the fallthru to the exit block.
8658 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8659 and for non-empty stack frames.
8660 * i386.md (return): Expand to return-pop as needed.
8662 2000-02-06 Richard Henderson <rth@cygnus.com>
8664 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8665 constant to op1 for testing.
8667 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8669 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8670 (fixuns_truncqfqi2): Use it.
8672 2000-02-06 Richard Henderson <rth@cygnus.com>
8674 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8677 * i386.md (widening and peepholes): Mask the constant instead of
8680 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8682 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8683 input pointer before possibly branching off to the backslash
8685 * cpphash.c (macroexpand): Correctly delete \r escapes when
8686 stringifying parameters.
8687 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8688 if we can; bail out early if we hit a line comment.
8689 (handle_directive): Treat '# 123' in an .S file just like
8690 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8691 Return 1 for '# not_a_directive'.
8692 (get_directive_token): Pop macro buffers here, so that
8693 cpp_get_token can't sneakily move past a newline.
8695 (cpp_get_token): goto randomchar if handle_directive returns 0.
8697 * cppalloc.c: Update copyright.
8698 * cpplib.c: Merge all the static function prototypes into one
8700 * cpplib.h: Remove #if 0 block.
8702 * cpperror.c: Remove #ifdef EMACS block.
8703 * cppmain.c: Likewise.
8704 * cpphash.c: Remove #if 0 blocks.
8705 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8706 * cpplib.c: Remove #if 0 blocks and code referencing
8707 pcp_inside_if or for_lint. Remove duplicate error message.
8708 Fix error messages for #else after #else or #elif. Reformat.
8709 Remove archaic TODO list.
8710 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8712 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8714 * i386/osf1elf.h: Add missing backslash to multiline string.
8716 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8718 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8720 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8722 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8724 * c-common.c: Include expr.h.
8726 * c-pragma.c (mark_align_stack): Add prototype.
8728 * caller-save.c (add_stored_regs): Likewise.
8730 * combine.c (record_promoted_value): Likewise.
8732 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8735 * cppinit.c (new_pending_define): Likewise.
8737 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8739 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8740 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8741 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8742 class_scope_p): Likewise.
8744 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8745 dwarf2out_add_library_unit_info): Likewise.
8747 * ggc.h (ggc_page_print_statistics): Likewise.
8749 * haifa-sched.c (propagate_deps): Likewise.
8751 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8753 * rtl.h (set_stack_check_libfunc): Likewise.
8755 * toplev.h (set_fatal_function): Likewise.
8757 * toplev.c (set_fatal_function): Delete prototype.
8759 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8761 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8763 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8764 (FUNC_END): Likewise.
8766 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8768 * caller-save.c: Include tm_p.h.
8770 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8772 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8774 2000-02-04 Neil Booth <NeilB@earthling.net>
8776 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8779 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8781 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8782 * genflags.c: Use the max_operand_1 logic from genemit.c to
8783 calculate how many arguments gen_insn prototypes have. Remove
8784 NO_MD_PROTOTYPES ifdefs from the generated file.
8785 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8786 file. Cast gen_insn initializers to insn_gen_fn.
8787 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8788 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8790 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8792 * fixinc/Makefile.in (HDR): Add machname.h.
8795 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8797 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8798 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8799 (c4x_cpu_version): Ditto.
8800 * config/c4x/c4x-protos.h: ... here.
8802 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8804 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8805 gen_abstract_function on our context if we're a nested function.
8807 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8809 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8810 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8812 2000-02-04 Bruce Korb <bkorb@gnu.org>
8814 * fixinc/genfixes(machname.h):
8815 Move the functionality from gen-machine.h into this file.
8816 UNdef MN_NAME_PAT if there are no names to change.
8817 Also, be a little kinder when AutoGen is not present.
8819 * fixinc/Makefile.in(machname.h):
8820 Change the generation rule to use genfixes.
8822 * fixinc/fixfixes.c(machine_name):
8823 machine_name_fix's functionality now dependent upon whether
8824 MN_NAME_PAT is defined.
8826 * fixinc/fixtests.c(machine_name):
8829 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8832 * fixinc/fixlib.h(mn_get_regexps):
8835 * fixinc/gen-machine.h: DELETED
8837 2000-02-04 Jan Hubicka <jh@suse.cz>
8838 Richard Henderson <rth@cygnus.com>
8840 * i386.c (SAVE_REGS_FIRST): Remove.
8841 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8842 (ix86_compute_frame_size): Likewise.
8843 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8844 (ix86_emit_restore_regs): Remove.
8845 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8846 when a frame pointer is in use.
8847 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8848 instead of pop to restore a register when profitable; emit leave
8850 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8852 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8853 * i386.md (prologue_allocate_stack): Remove.
8854 (epilogue_deallocate_stack): Remove.
8855 (pro_epilogue_adjust_stack): New.
8857 2000-02-04 Richard Henderson <rth@cygnus.com>
8859 * function.c (diddle_return_value): Rework to use a callback function.
8860 Use current_function_return_rtx if it's been set up.
8861 (do_clobber_return_reg, clobber_return_register): New.
8862 (do_use_return_reg, use_return_register): New.
8863 (expand_function_end): Use them.
8864 * stmt.c (expand_null_return): Likewise.
8865 * function.h: Declare them.
8866 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8867 (mark_reg): Change arguments as appropriate for callback.
8868 * integrate.c (expand_inline_function): Revert 19 Jan change.
8870 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8872 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8873 (Misc): Say the scheduler, not the Haifa scheduler.
8875 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8877 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8878 when in_mem is set. Update all callers.
8880 2000-02-04 Richard Henderson <rth@cygnus.com>
8882 * i386/openbsd.h (INT_ASM_OP): Define.
8884 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8886 * tm.texi: Fix various typos.
8888 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8890 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8891 (MD_STARTFILE_PREFIX_1): New macro.
8893 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8895 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8896 destination when needed.
8897 (strmovsi, strsetsi): New expander.
8898 (strmovsi_1, strsetsi_1): New pattern.
8899 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8900 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8901 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8902 * invoke.texi (align-stringops, inline-all-stringops): Document.
8904 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8906 * i386/netbsd.h (INT_ASM_OP): Define.
8908 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8910 * cpplib.h (cpp_reader): Add new flag, no_directives.
8911 * cpphash.c (macarg): Set it.
8912 * cpplib.c (handle_directive): If no_directives is on and we
8913 find a directive, issue an error and discard the line.
8915 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8917 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8918 FP constants. Add ! TARGET_FPU check for FP constants.
8920 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8922 * flow.c (find_basic_blocks): Don't kill label_value_list
8924 (cleanup_cfg): Kill it here.
8926 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8928 * expr.c (store_field): Ensure ALIGN is no stricter than the
8931 2000-02-02 Richard Henderson <rth@cygnus.com>
8933 * jump.c (delete_insn): Partially revert 19 Jan change;
8934 don't convert unused code labels to notes at -O0.
8936 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8938 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8939 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8941 2000-02-01 Richard Henderson <rth@cygnus.com>
8943 * i386.c (general_no_elim_operand): New.
8944 (nonmemory_no_elim_operand): New.
8945 (ix86_expand_move): Copy eliminable operands before a push.
8946 * i386-protos.h: Declare new functions.
8947 * i386.h (CAN_ELIMINATE): Simplify.
8948 (PREDICATE_CODES): Update.
8949 * i386.md (push insns): Don't allow eliminable register operands.
8951 2000-02-01 Richard Henderson <rth@cygnus.com>
8953 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8954 replace BLKmode with DECL_RTL's mode.
8956 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8958 * frame.c (find_fde): Convert for loop to do-while so compiler
8959 sees it's always executed at least once.
8960 * libgcc2.c (BBINBUFSIZE): Kill.
8961 (__bb_init_prg): Use fgets.
8962 (__bb_exit_trace_func): Don't paste strings.
8963 * unroll.c (unroll_loop): Initialize unroll_type, not
8964 unroll_number, and tweak logic to match.
8966 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8968 (ix86_flags_dependant): Likewise. Disentangle control flow.
8969 (ix86_sched_reorder): Break guts out to
8970 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8971 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8974 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8975 use string concatenation. Don't save and restore esi.
8977 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8978 (machname.h): Remove script to separate file. Use two-step
8979 sequence so target is not created if script fails.
8980 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8981 identifiers are defined.
8982 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8983 an empty string, machine_name doesn't need to do anything at
8985 (is_cxx_header): Add more cases to regexp.
8986 * fixinc/fixlib.h: Update prototype.
8987 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8989 * fixinc/fixincl.c: Define NO_BOGOSITY.
8991 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8992 (hp_sysfile): Add missing comma.
8993 (math_exception): Put the wrapper ifdefs at the beginning and
8994 the end of the file.
8995 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8997 2000-02-01 Richard Henderson <rth@cygnus.com>
8999 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9000 Use CONST0_RTX. Update all callers.
9001 * sparc.h, sparc-protos.h: Update accordingly.
9002 * sparc.md (fp mov insns): Use fp_zero_operand directly
9005 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9007 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9010 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9012 * Makefile.in (specs.ready): New target.
9013 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9015 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9017 * fixinc.irix: Use unique filenames for writing into /tmp,
9018 * fixinc.ptx: Likewise.
9019 * fixinc.sco: Likewise.
9020 * fixinc.svr4: Likewise.
9021 * fixinc.winnt: Likewise.
9023 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9025 * tsystem.h: New file.
9027 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9028 s-crtS): Depend on tsystem.h.
9030 * crtstuff.c: Include tsystem.h.
9031 * frame.c: Likewise.
9032 * libgcc2.c: Likewise.
9034 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9036 * builtins.c (expand_builtin_memset): Expand for variable sized
9039 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9041 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9044 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9046 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9048 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9050 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9052 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9053 case 3->2 combining (combining with splitting) in which 2 is CC0
9054 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9055 checked at the begining of the function with the aid of calling
9056 function 'can_combine_p'.
9058 2000-01-31 Dave Brolley <brolley@redhat.com>
9060 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9062 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9064 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9067 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9069 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9071 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9074 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9076 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9077 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9078 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9079 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9080 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9081 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9082 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9083 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9084 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9085 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9087 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9088 Add %(cpp_cpu) to CPP_SPEC.
9090 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9091 Add %(cc1_cpu) to CC1_SPEC.
9093 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9095 * c-decl.c (c_decode_option): Accept optional numeric argument to
9096 -Wformat and set warn_format.
9097 * c-common.c: Don't emit warning about non-constant printf format
9098 string unless warn_format > 1.
9100 2000-01-30 Richard Henderson <rth@cygnus.com>
9102 * alpha.md (return_internal): Allow after reload only.
9104 2000-01-30 Richard Henderson <rth@cygnus.com>
9106 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9107 local frame size is zero.
9109 2000-01-30 Richard Henderson <rth@cygnus.com>
9111 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9112 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9113 * alpha.md (return): Turn into an expander.
9114 (return_internal): Don't use $26.
9115 (epilogue): Emit the return insn.
9117 2000-01-30 Richard Henderson <rth@cygnus.com>
9119 * alpha.md (negtf2, abstf2): Fix word order thinko.
9121 (trunctfsf2): Avoid intermediate rounding errors.
9123 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9125 * cppfiles.c (find_position): Drop 'colp' argument, return the
9127 (read_and_prescan): Adjust to match. Don't ever manipulate
9128 line or line_base except via find_position.
9130 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9132 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9133 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9136 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9138 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9139 just print "<command line>". If 'filename' is null or an
9140 empty string, print "<stdin>" for the filename.
9141 * cpplib.c (do_define): Don't print the 'location of the
9142 previous definition' message if we're still parsing the
9144 (cpp_pedwarn_with_file_and_line): Always call
9145 cpp_file_line_for_message.
9147 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9149 * flow.c (mark_regs_live_at_end): Fix typo.
9151 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9153 * c-common.c: Adjust variable names, comments, help strings to c99.
9154 * c-lex.c: Likewise.
9155 * c-parse.y: Likewise.
9156 * c-tree.h: Likewise.
9158 * cpplib.h: Likewise.
9159 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9160 * cppinit.c: Likewise.
9162 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9164 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9165 * c4x.c: Define the optab rtx values.
9166 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9167 (c4x_emit_libcall): Use new optab rtx values.
9168 (c4x_emit_libcall3): Likewise.
9169 (c4x_emit_libcall_mulhi): Likewise.
9170 * c4x-protos.h: Add prototypes for optab rtx values and change
9171 prototypes for above c4x_emit_libcall functions.
9173 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9175 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9177 (c4x_function_prologue): Use regnames intead of float_reg_names when
9179 (c4x_function_epilogue): Likewise.
9180 (c4x_print_operand): Likewise.
9181 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9182 * c4x.md (set_high): Disable for TARGET_TI.
9184 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9186 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9187 of framepointer + constant to ADDR_REGS class.
9188 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9189 * c4x.c (std_or_reg_operand): New function.
9190 * c4x-protos.h (std_or_reg_operand): Prototype it.
9192 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9194 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9195 object names as libgcc2.c.
9196 * libgcc.S: Use newly defined names.
9198 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9199 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9201 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9202 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9203 (FLOW_LOOP_LAST_BLOCK): Likewise.
9205 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9207 * basic-block.h (struct loop): New fields 'first' and 'last'.
9208 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9209 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9210 and loop->last to check for NOTE_INSN_LOOP_END.
9212 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9214 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9215 of the loop descriptor rather than HEADER and LATCH. Also added
9216 missing break statements as well making some coding style modifications
9217 as suggested by Michael Hayes.
9219 2000-01-28 Richard Henderson <rth@cygnus.com>
9221 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9222 Break out that code ...
9223 (cleanup_cfg): ... here.
9224 (commit_one_edge_insertion): Detect a return instruction being
9225 emitted to an edge. Emit a barrier following; clear fallthru.
9226 (commit_edge_insertions): Verify CFG consistency.
9227 * function.c (expand_function_start): Kill unused variable.
9228 (expand_function_end): Likewise.
9229 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9230 to insert the epilogue.
9232 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9233 (delete_null_pointer_checks): Likewise.
9234 * output.h: Likewise.
9235 * reg-stack.c (reg_to_stack): Likewise.
9236 * toplev.c (rest_of_compilation): Likewise. Run
9237 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9239 2000-01-28 Richard Henderson <rth@cygnus.com>
9241 * Makefile.in (flow.o): Revert 24 Jan change.
9242 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9243 FUNCTION_VALUE result to DECL_RESULT's mode.
9245 * haifa-sched.c (schedule_insns): Don't recompute reg info
9248 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9250 * configure.in: Make --enable-cpplib the default.
9251 * configure: Regenerate.
9252 * gcc.dg/990119-1.c: No longer expected to fail.
9254 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9256 * jump.c (jump_optimize_1): Delete an optimization that is also done
9257 by merge_blocks in flow.
9259 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9261 * diagnostic.c (build_message_string, output_printf,
9262 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9263 (build_location_prefix): Fix non-literal format string.
9265 2000-01-27 Richard Henderson <rth@cygnus.com>
9267 * alpha.md (trunctfsf2): New.
9269 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9271 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9273 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9275 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9277 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9279 (skip_comment) ... here. Permit C++ comments in system
9280 headers always. Warn about C++ comments in user code under
9281 -std=gnu89 -pedantic.
9282 (copy_comment): Use skip_comment.
9283 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9285 (consider_directive_while_skipping, do_else, do_endif): Call
9286 validate_else unconditionally.
9287 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9288 text after the conditional in a system header.
9289 * cpplib.h (struct cpp_buffer): Add flag
9290 warned_cplusplus_comments.
9292 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9294 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9295 Use unshare_all_rtl_1.
9296 (unshare_all_rtl_again): New function.
9297 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9299 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9300 rather than resetting the 'used' flags ourself.
9302 * toplev.c (rest_of_compilation): Add current_function_decl
9303 to the unshare_all_rtl call.
9304 * tree.h: Prototype unshare_all_rtl.
9305 * rtl.h: Prototype unshare_all_rtl_again here.
9307 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9309 * genoutput.c (output_prologue): Include ggc.h in generated
9311 * Makefile.in (insn-output.o): Depends on ggc.h.
9313 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9314 Hans-Peter Nilsson <hp@bitrange.com>
9316 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9317 Remove redundant include of xm-ns32k.h.
9318 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9319 Remove redundant include of xm-ns32k.h.
9320 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9321 Remove redundant include of xm-ns32k.h.
9322 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9324 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9325 (TARGET_SWITCHES): Add documentation strings.
9326 (DWARF_FRAME_REGNUM): Override default definition.
9327 (REG_CLASS_CONTENTS): Add comments.
9328 (SUBSET_P): Format to reduce line length.
9329 (SMALL_REGISTER_CLASSES): Make a run time option.
9330 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9331 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9332 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9333 (regclass_map): fix typo in comment.
9334 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9335 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9336 (trace, reg_or_mem_operand): Delete, unused function.
9337 (calc_address_cost): Small offsets are cheaper than large ones.
9338 (expand_block_move): Generate more efficient code when bytes is a
9339 known at compile time.
9340 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9341 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9342 instead of reg_or_mem_operand.
9344 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9345 not general_operand. Similarly use "=rm" or stricter, not "=g".
9346 For input operands, use stricter constraints than "g" if not
9347 general_operand. Similarly use stricter predicate than
9348 "general_operand" when stricter constraints than "g" are present,
9349 except for matching constraints.
9350 (movstrsi): Use "memory_operand" for operands 0 and 1.
9351 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9352 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9353 not reg_or_mem_operand.
9354 (udivmoddisi4): Ditto.
9355 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9356 Use nonimmediate_operand for operand 3, not register_operand.
9357 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9360 2000-01-27 Fred Fish <fnf@be.com>
9362 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9363 * gthr-single.h: Likewise.
9364 * gthr-solaris.h: Likewise.
9365 * gthr-vxworks.h: Likewise.
9366 * gthr-win32.h: Likewise.
9369 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9371 * cppinit.c: Add " (cpplib)" to end of string printed by
9374 2000-01-27 Richard Henderson <rth@cygnus.com>
9376 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9377 testing for a signed comparison.
9378 (alpha_emit_floatuns): New.
9379 * alpha-protos.h: Declare it.
9380 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9381 (extendsfdf2): Tidy.
9383 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9385 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9386 no -g option specifying debugging format, default to -gstabs+.
9388 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9390 * calls.c (special_function_p): New argument fork_or_exec.
9391 (expand_call): When profile_arc_flag is set and the function
9392 is in the fork_or_exec group, call __bb_fork_func first.
9393 * libgcc2.c, _bb module (__bb_fork_func): New function.
9394 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9396 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9397 * tree.h (special_function_p): Update prototype.
9399 2000-01-26 Richard Henderson <rth@cygnus.com>
9401 * alpha.c (alpha_split_tfmode_pair): New.
9402 * alpha-protos.h: Declare it.
9403 * alpha.md (abstf2, negtf2): New.
9404 (movtf insn): Add input G constraint.
9405 (movtf splitter): Use alpha_split_tfmode_pair.
9407 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9409 * i386/cygwin.h: PROTO -> PARAMS.
9411 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9413 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9414 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9415 using _Qp_cmp/_Q_cmp and testing the return value.
9416 (print_operand): Call reverse_condition_maybe_unordered if
9417 we are handling CCFPmode or CCFPEmode.
9418 Handle ORDERED, UN* and LTGT comparisons.
9419 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9420 if not TARGET_HARD_QUAD.
9421 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9422 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9423 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9424 Adjust gen_b* calls so that they reflect return comparison of
9425 sparc_emit_float_lib_cmp.
9427 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9429 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9430 incoming operands array is large enough for one more operand.
9431 (alpha_emit_xfloating_arith): Likewise.
9433 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9435 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9436 file with one line and no trailing newline.
9437 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9438 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9439 checking if the match is on the line.
9440 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9442 2000-01-25 Richard Henderson <rth@cygnus.com>
9444 * sparc.c (output_cbranch): Fix accidental squashing of the
9445 fp branch pre-delay nop.
9447 2000-01-25 Richard Henderson <rth@cygnus.com>
9449 * tree.def (UNNE_EXPR): Remove.
9450 * c-typeck.c (build_binary_op): Don't handle it.
9451 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9453 * rtl.def (UNNE): Remove.
9455 * jump.c (reverse_condition): Update accordingly.
9456 (swap_condition): Likewise.
9457 (comparison_dominates_p): Handle unordered comparisons.
9458 (reverse_condition_maybe_unordered): New.
9459 * rtl.h (reverse_condition_maybe_unordered): Declare.
9461 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9462 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9463 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9464 * sparc.md (bltgt): New.
9466 2000-01-25 Nick Clifton <nickc@redhat.com>
9468 * emit-rtl.c (emit_insn): Only check machine class insns for
9469 improper emission of a RETURN.
9471 2000-01-25 Richard Henderson <rth@cygnus.com>
9473 * Makefile.in (flow.o): Depend on $(EXPR_H).
9474 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9475 duplicate the structure of diddle_return_value for keeping regs live.
9477 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9479 * loop.c (current_loop_info): Delete.
9480 (consec_sets_invariant_p): Add loop argument, update callers.
9481 (get_condition_for_loop): Likewise.
9482 (count_nonfixed_reads, update_giv_derive): Likewise.
9483 (simplify_giv_expr, general_induction_var): Likewise.
9484 (consec_sets_giv, recombine_givs): Likewise.
9485 (move_movables): Delete loop_start and loop_end arguments,
9486 add loop argument, and update callers.
9487 (find_mem_givs, check_final_value): Likewise.
9488 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9489 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9491 (basic_induction_var): Add loop argument, delete loop_level argument,
9493 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9494 add loop argument, and update callers.
9495 (find_splittable_regs, find_splittable_givs): Likewise.
9496 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9497 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9498 (biv_total_increment): Delete loop_start and loop_end arguments;
9500 (precondition_loop_p): Delete loop_start and loop_info arguments;
9502 * loop.h (get_condition_for_loop): Add loop argument.
9503 (biv_total_increment): Delete loop_start and loop_end arguments.
9504 (precondition_loop_p): Delete loop_start and loop_info arguments;
9506 (final_biv_value): Delete loop_start and loop_end arguments;
9508 (final_giv_value, back_branch_in_range_p): Likewise.
9510 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9512 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9514 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9516 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9517 point to the new "generated_files" doc.
9519 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9521 * config/fp-bit.c (_unord_f2): Fix typo.
9523 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9525 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9526 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9527 functions obsoleted by GC, such as push_obstacks_nochange,
9528 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9529 and code which existed only to decide whether or not to call
9530 them. Remove now-unused NESTED argument from start_function;
9531 all callers changed. Do not change behavior based on ggc_p.
9532 The use of the ixp_obstack in c-iterate.c and the util_obstack
9533 in objc/objc-act.c remain; these are not obsoleted by garbage
9535 * c-tree.h: Update prototype for start_function.
9537 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9539 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9541 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9544 2000-01-25 Richard Henderson <rth@cygnus.com>
9546 * sparc-protos.h (select_cc_mode): Declare.
9547 * sparc.c (select_cc_mode): New. Handle unordered compares.
9548 (output_cbranch): Always reverse via code change. Handle
9549 unordered compares. Factor tests and string updates.
9550 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9551 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9552 * sparc.md (bunordered, bordered): New.
9553 (bungt, bunlt, buneq, bunge, bunle): New.
9555 2000-01-25 Richard Henderson <rth@cygnus.com>
9557 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9558 * ggc-common.c (ggc_add_rtx_varray_root): New.
9559 (ggc_mark_rtx_varray): New.
9560 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9561 functions down below ggc_mark_foo.
9562 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9564 2000-01-25 Richard Henderson <rth@cygnus.com>
9566 * alpha.c (secondary_reload_class): Don't allocate a secondary
9567 for integral mode memories into FLOAT_REGS. Rearrange the more
9568 complicated memory expression inward.
9570 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9572 * inclhack.def: Fixes to play nicer with FreeBSD, and
9573 corrections to comments.
9574 (cxx_unready): Add select expression.
9575 (irix_sockaddr): Add bypass expression.
9576 (machine_ansi_h_va_list): New fix.
9577 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9578 Split out addition of "#include <stdarg.h>" to...
9579 (stdio_stdarg_h): ... here.
9580 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9581 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9582 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9584 (ultrix_ifdef): Tighten up select expression.
9586 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9587 re_ct and max_mach to avoid use of shell. Make printed names
9588 match names in inclhack.def. Use static copyright date.
9589 Don't count c_test and test expressions as requiring regex_t
9590 slots. Add some commentary.
9591 * inclhack.tpl: Do not include the 'This script contains N
9592 fixup scripts' line if PROGRAM is defined. Use static
9595 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9597 * dwarf2out.c: include "varray.h", not dyn-string.h.
9598 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9599 (addr_const_to_string, addr_to_string): Lose.
9600 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9601 (struct dw_val_struct): val_addr is now an rtx.
9602 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9603 (used_rtx_varray): New varray.
9604 (dwarf2out_init): Initialize it.
9606 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9608 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9609 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9610 * Makefile.in (dwarf2out.o): Update dependencies.
9612 2000-01-24 Richard Henderson <rth@cygnus.com>
9614 * i386.c (i386_dwarf_output_addr_const): New.
9615 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9617 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9619 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9620 * i386.c (i386_simplify_dwarf_addr): New.
9621 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9623 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9625 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9626 TYPE_STUB_DECL is NULL.
9628 2000-01-24 Richard Henderson <rth@cygnus.com>
9630 * builtins.c (expand_tree_builtin): Move ...
9631 * c-common.c (expand_tree_builtin): ... here.
9633 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9635 * loop.h (LOOP_INFO): New accessor macro.
9636 * basic-block.h (struct loop): Rename field `info' to `aux'.
9637 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9638 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9639 * unroll.c (loop_iterations, unroll_loop): Likewise.
9641 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9643 * config/i386/t-cygwin: Accomodate new winsup directory layout
9644 when searching for include files.
9646 2000-01-24 Richard Henderson <rth@cygnus.com>
9648 * rtl.def: Add unordered fp comparisions.
9649 * tree.def: Likewise.
9650 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9652 * builtins.c (expand_tree_builtin): New function.
9653 * c-typeck.c (build_function_call): Use it.
9654 (build_binary_op): Support unordered compares.
9655 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9657 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9658 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9659 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9660 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9661 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9663 (swap_condition): Handle unordered compares.
9664 (thread_jumps): Check can_reverse before reversing.
9665 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9668 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9669 setcc is present before acking for cmp_optab. Update all callers.
9670 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9671 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9672 * expr.c (expand_expr): Likewise. Support unordered compares.
9673 (do_jump, do_store_flag): Likewise.
9674 * expr.h (enum libfunc_index): Add unordered compares.
9676 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9677 (DPBIT_FUNCS): Add _unord_df.
9678 * config/fp-bit.c (_unord_f2): New.
9679 * fp-test.c (main): Try unordered compare builtins.
9681 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9682 * alpha.c (alpha_comparison_operator): Check mode properly.
9683 (alpha_swapped_comparison_operator): Likewise.
9684 (signed_comparison_operator): Likewise.
9685 (alpha_fp_comparison_operator): New.
9686 (alpha_emit_conditional_branch): Handle unordered compares.
9687 * alpha.h (PREDICATE_CODES): Update.
9688 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9689 (bunordered, bordered): New.
9691 2000-01-24 Richard Henderson <rth@cygnus.com>
9693 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9694 * alpha.md (movtf): New expander, insn, and splitter.
9696 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9698 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9701 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9703 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9704 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9705 REG_ALLOC_ORDER): Add frame pointer
9706 (FRAME_POINTER_REGNUM): Set to 20
9707 (HARD_FRAME_POINTER_REGNUM): New macro.
9708 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9709 to HARD_FRAME_POINTER.
9710 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9711 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9712 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9713 (HI_REGISTER_NAMES): Add "frame".
9714 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9715 (debug_reg): Handle FRAME_POINTER_REGNUM.
9716 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9717 GENERAL_REGS and INDEX_REGS.
9718 * i386.c (SAVED_REGS_FIRST): new macro.
9719 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9720 (ix86_decompose_address, memory_address_length): Likewise.
9721 (regclass_map): Add frame pointer.
9722 (call_insn_operand): Handle frame_pointer_rtx.
9723 (reg_no_sp_operand): Likewise.
9724 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9725 (print_operand, legitimize_pic_address): Fix formating.
9726 (ix86_compute_frame_size): Make static, update prototype, new
9727 parameters padding1, padding2, use ix86_nsaved_regs, use
9728 stack_alignment_needed.
9729 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9730 to HARD_FRAME_POINTER_REGNUM conversions.
9731 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9732 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9733 (print_reg): Abort on FRAME_POINTER_REGNUM
9735 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9737 * i386.h (PREDICATE_CODES): Add aligned_operand.
9738 * i386.c (aligned_operand): New function.
9739 (ix86_aligned_p): Kill.
9740 * i386.md (movhi_1): Emit mov for aligned operands.
9741 (promoting peep2s): Use aligned_operand.
9743 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9745 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9746 expression to allow underscores in macro names.
9747 (fix_char_macro_defines): Increment scanning pointer.
9749 2000-01-23 Richard Henderson <rth@cygnus.com>
9751 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9752 * alpha/osf5.h: New file.
9753 * configure.in (alpha-*-osf5): Add it to tm_file.
9755 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9757 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9758 (alpha_emit_xfloating_cvt, function_arg): Declare.
9759 * alpha.c (alpha_emit_conditional_branch): Call
9760 alpha_emit_xfloating_compare for TFmode compares.
9761 (alpha_lookup_xfloating_lib_func): New.
9762 (alpha_compute_xfloating_mode_arg): New.
9763 (alpha_emit_xfloating_libcall): New.
9764 (alpha_emit_xfloating_arith): New.
9765 (alpha_emit_xfloating_compare): New.
9766 (alpha_emit_xfloating_cvt): New.
9767 (print_operand): Add default abort case.
9768 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9769 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9770 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9771 (RETURN_IN_MEMORY): True for TF/TCmode.
9772 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9773 (FUNCTION_ARG): Move to function_arg.
9774 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9775 (ASM_OUTPUT_LONG_DOUBLE): New.
9776 (ASM_OUTPUT_DOUBLE): Always output bits.
9777 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9778 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9779 (extenddftf2, trunctfdf2): New.
9781 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9783 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9784 * config/sparc/sol2.h: ... here.
9786 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9788 * basic-block.h (struct loops): New field `levels'.
9789 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9790 (flow_loop_level_compute): Initialise level to 1.
9791 (flow_loops_find): Set loops->levels.
9792 (flow_loops_dump): Print loops->levels.
9794 2000-01-23 Richard Henderson <rth@cygnus.com>
9796 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9797 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9799 2000-01-23 Richard Henderson <rth@cygnus.com>
9801 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9802 * i386.h (DBX_REGISTER_NUMBER): Use them.
9803 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9804 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9805 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9806 * i386/sequent.h: Kill incorrect comment.
9808 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9810 * ggc-page.c (struct page_entry): Make `context_depth' an
9812 (struct globals): Likewise.
9814 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9816 * loop.c (check_dbra_loop): When checking a loop for
9817 reversability, check the source of any stores to ensure
9818 they don't depend on an initial value.
9820 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9822 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9824 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9826 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9827 'pz_scan' into scope of entire function. Only affects
9828 compiles with -DDEBUG.
9830 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9832 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9833 section naming to that prior to 2000-01-07 patch.
9834 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9835 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9836 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9837 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9838 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9840 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9842 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9845 2000-01-21 Jim Wilson <wilson@cygnus.com>
9847 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9848 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9850 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9852 * cpphash.c (change_newlines): Delete function.
9853 (struct argdata): Delete 'newlines' and 'use_count' fields.
9854 (macroexpand): Remove code referencing those fields.
9856 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9858 * loop.c (loops_info): New variable.
9859 (loop_optimize): Allocate loops->array and free it on exit.
9860 Allocate memory for loops_info and assign to each loop,
9862 (find_and_verify_loops): Do not allocate loops->array.
9864 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9866 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9868 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9870 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9871 pseudos if expanded after first flow.
9872 (movdi_pic_label_ref): Likewise.
9874 2000-01-20 Richard Henderson <rth@cygnus.com>
9876 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9878 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9880 * Makefile.in (fixinc.sh): Depend on specs.
9881 * fixinc/Makefile.in: Add rule to create machname.h.
9882 (fixlib.o): Depend on machname.h.
9883 * fixinc/fixtests.c (machine_name): New test.
9884 * fixinc/fixfixes.c (machine_name): New fix.
9885 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9886 the machine_name test and fix.
9887 * fixinc/fixlib.h: Prototype it.
9888 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9889 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9891 * gcc.c (do_spec_1) [case P]: Take care not to create
9892 identifiers with three leading or trailing underscores.
9894 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9895 (fixincl): Don't specify libraries twice on link line.
9896 (gnu-regex.o): Remove special rule.
9897 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9898 defined by config.h. Do not define _REGEX_RE_COMP.
9899 (regcomp): Allocate and initialize a fastmap.
9900 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9902 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9904 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9906 2000-01-19 Richard Henderson <rth@cygnus.com>
9908 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9909 arguments with BB. Update all callers. Tidy line wrapping.
9911 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9913 * emit-rtl.c (try_split): Return last_insn if we split the
9916 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9918 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9919 (ix86_initial_elimination_offset): Declare.
9920 * i386.c (ix86_nsaved_regs): Break out from ...
9921 (ix86_can_use_return_insn_p): ... here.
9922 (ix86_emit_save_regs): Break out from ...
9923 (ix86_expand_prologue): ... here.
9924 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9926 (ix86_expand_epilogue): ... here.
9927 (ix86_compute_frame_size): Make static, add prototype.
9928 (ix86_initial_elimination_offset): Break out from ...
9929 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9931 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9933 * recog.h (OUT_FCN): Delete.
9935 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9937 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9939 * cppalloc.c: PROTO -> PARAMS.
9940 * cpperror.c: Likewise.
9941 * cppfiles.c: Likewise.
9942 * cpplib.c: Likewise.
9943 * cpplib.h: Likewise.
9945 * config/arm/arm-protos.h: PROTO -> PARAMS.
9946 * config/arm/arm.c: Likewise.
9947 * config/c4x/c4x.c: Likewise.
9948 * config/fr30/fr30-protos.h: Likewise.
9949 * config/nextstep.c: Likewise.
9950 * config/pa/pa.c: Likewise.
9951 * config/pj/pj.c: Likewise.
9952 * config/rs6000/rs6000.c: Likewise.
9953 * config/v850/v850-protos.h: Likewise.
9954 * config/v850/v850.c: Likewise.
9956 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9958 * i370-protos.h: New file.
9960 * i370.c: Include tm_p.h. Fix compile time warnings.
9962 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9965 * i370.md: Likewise.
9967 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9969 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9970 (target_isinf, target_isnan, eisnan): Mark parameter with
9972 (eiisinf): Wrap in INFINITY.
9973 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9974 (ibmtoe): Remove unused variable `rndsav'.
9976 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9978 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9979 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9981 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9983 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9984 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9985 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9987 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9988 Recognize Emacs mode markers also.
9989 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9990 C++ comments in C++ headers. Call is_cxx_header only if
9993 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9995 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9996 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9997 ... these, which use the new C fixes.
9998 (math_exception): Escape literal '+' in bypass expression.
10000 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10003 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10005 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10008 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10010 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10011 prior to calling scan_loop.
10013 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10015 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10016 (split_branches, calc_live_regs): Likewise.
10018 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10020 * sh.md (fpu_single, fp_mode): New attributes.
10022 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10024 * loop.c (current_loop_info): Renamed from loop_info_data
10025 and changed to a pointer.
10026 (loop_optimize): Allocate loop_info structure for each loop
10027 and initialise to zero.
10028 (scan_loop): Set current_loop_info.
10030 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10033 2000-01-19 Richard Henderson <rth@cygnus.com>
10035 * stupid.c: Die die die.
10036 * Makefile.in (OBJS): Remove stupid.o.
10037 (stupid.o): Likewise.
10039 * except.c (emit_eh_context): Don't emit USEs for stupid.
10040 * explow.c (probe_stack_range): Likewise.
10041 * flags.h (obey_regdecls): Remove.
10042 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10043 when not optimizing.
10044 (life_analysis): Limit data collection when not optimizing.
10045 (mark_regs_live_at_end): Always mark the return value registers.
10046 (mark_used_regs): Remove dummy RETURN case.
10047 (print_rtl_with_bb): Don't consult obey_regdecls.
10048 * function.c (use_variable, use_variable_after): Remove.
10049 (assign_parms): Consult optimize not obey_regdecls.
10050 (expand_function_start): Don't emit USEs for stupid.
10051 (expand_function_end): Likewise.
10052 * global.c (build_insn_chain): Export.
10053 * integrate.c (expand_inline_function): Kill return-value USE
10055 * jump.c (jump_optimize_1): Do simple jump optimizations and
10056 dead code elimination.
10057 (calculate_can_reach_end): Remove check_deleted argument.
10058 (delete_insn): Patch out insns even when not optimizing.
10059 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10060 * rtl.h (use_variable, use_variable_after): Remove declarations.
10061 (build_insn_chain): Declare.
10062 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10063 (expand_end_bindings): Likewise.
10064 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10065 * toplev.c (obey_regdecls): Remove.
10066 (rest_of_compilation): Don't set it. Kill stupid in favour of
10067 flow1, local-alloc, and reload.
10068 (main): Don't set obey_regdecls.
10070 * config/nextstep.c (handle_pragma): Likewise.
10072 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10074 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10076 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10078 * alpha-protos.h: PROTO -> PARAMS.
10079 * alpha.c: Likewise.
10081 * h8300.c: Likewise.
10082 * i386-protos.h: Likewise.
10083 * i386.c: Likewise.
10084 * m32r-protos.h: Likewise.
10085 * m32r.c: Likewise.
10086 * mips.c: Likewise.
10087 * mips.md: Likewise.
10088 * gmon-sol2.c: Likewise.
10089 * sparc.c: Likewise.
10091 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10093 * ns32k-protos.h: New file.
10095 * ns32k.c: Fix compile time warnings.
10097 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10100 * ns32k.md: Likewise.
10102 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10104 * vax-protos.h: New file.
10106 * vax.c: Fix compile time warnings.
10108 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10111 * vax.md: Likewise.
10113 * vaxv.md: Likewise.
10115 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10117 * romp-protos.h: New file.
10119 * romp.c: Fix compile time warnings.
10121 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10124 * romp.md: Likewise.
10126 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10128 * we32k-protos.h: New file.
10130 * we32k.c: Fix compile time warnings.
10132 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10135 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10137 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10139 * except.c (eh_regs): Likewise.
10141 * final.c (output_operand): Likewise.
10143 * fold-const.c (target_isinf, target_isnan): Likewise.
10145 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10147 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10148 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10150 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10151 when optimize_size.
10152 (clrstrsi): Rewrite.
10153 (strsethi, strsetqi): New expanders.
10154 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10155 (cmpstrsi): Emit compare insn before cmpstrsi_1
10156 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10157 (strlensi_1): Likewise.
10158 (cmpstrsi_1): Likewise; do not output compare.
10159 (strlen expander): Do not unroll when optimizing for size.
10160 (*subsi3_carry): Rename to subsi3_carry
10161 (addqi3_cc): New pattern.
10162 * i386.h (processor_costs): Add move_ratio field.
10163 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10164 * i386.c (*_cost): Set move_ratio.
10165 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10166 (x86_expand_strlensi_1): Rewrite the main loop.
10168 2000-01-17 Richard Henderson <rth@cygnus.com>
10170 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10171 * cse.c (find_comparison_args, fold_rtx): Likewise.
10172 * integrate.c (subst_constants): Likewise.
10173 * loop.c (get_condition): Likewise.
10175 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10177 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10179 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10181 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10182 (RESTORE_WARN_FLAGS): Unpack it.
10183 Change semantic type of extension to ttype.
10184 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10185 * c-parse.y, c-parse.c, objc/objc-parse.y,
10186 objc/objc-parse.c: Regenerate.
10188 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10190 * fixinc/fixlib.c: Add copyright notice.
10191 (compile_re): New function.
10192 * fixinc/fixlib.h: Prototype compile_re.
10194 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10195 Use compile_re to compile regular expressions.
10197 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10198 where the pattern matched.
10200 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10202 (ultrix_ansi_compat): Likewise.
10203 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10205 (interactv_add2, interactv_add3): Delete.
10206 (x11_sprintf): Don't use filename glob.
10207 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10210 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10212 * print-rtl.c: PROTO -> PARAMS.
10213 * real.c: Likewise.
10214 * reg-stack.c: Likewise.
10215 * resource.c: Likewise.
10216 * sdbout.h: Likewise.
10217 * simplify-rtx.c: Likewise.
10218 * stor-layout.c: Likewise.
10219 * stupid.c: Likewise.
10220 * xcoffout.c: Likewise.
10221 * xcoffout.h: Likewise.
10223 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10225 * toplev.c: PROTO -> PARAMS.
10226 * toplev.h: Likewise.
10227 * tree.c: Likewise.
10228 * tree.h: Likewise.
10229 * unroll.c: Likewise.
10230 * varasm.c: Likewise.
10231 * varray.c: Likewise.
10232 * varray.h: Likewise.
10234 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * reload.c: PROTO -> PARAMS.
10237 * reload.h: Likewise.
10238 * reload1.c: Likewise.
10239 * reorg.c: Likewise.
10240 * resource.h: Likewise.
10243 * rtlanal.c: Likewise.
10244 * sbitmap.h: Likewise.
10245 * sdbout.c: Likewise.
10246 * stack.h: Likewise.
10247 * stmt.c: Likewise.
10248 * system.h: Likewise.
10250 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10252 * machmode.h: PROTO -> PARAMS.
10253 * mbchar.h: Likewise.
10254 * mips-tdump.c: Likewise.
10255 * mips-tfile.c: Likewise.
10256 * optabs.c: Likewise.
10257 * output.h: Likewise.
10258 * prefix.c: Likewise.
10259 * profile.c: Likewise.
10260 * protoize.c: Likewise.
10261 * real.h: Likewise.
10262 * recog.c: Likewise.
10263 * recog.h: Likewise.
10264 * regclass.c: Likewise.
10265 * regmove.c: Likewise.
10266 * regs.h: Likewise.
10268 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10270 * ggc-common.c: PROTO -> PARAMS.
10271 * ggc-page.c: Likewise.
10272 * ggc-simple.c: Likewise.
10274 * global.c: Likewise.
10275 * graph.c: Likewise.
10276 * gthr-win32.h: Likewise.
10277 * haifa-sched.c: Likewise.
10278 * halfpic.h: Likewise.
10279 * integrate.c: Likewise.
10280 * integrate.h: Likewise.
10281 * jump.c: Likewise.
10283 * local-alloc.c: Likewise.
10284 * loop.c: Likewise.
10285 * loop.h: Likewise.
10287 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10289 * genattr.c: PROTO -> PARAMS.
10290 * genattrtab.c: Likewise.
10291 * gencheck.c: Likewise.
10292 * gencodes.c: Likewise.
10293 * genconfig.c: Likewise.
10294 * genemit.c: Likewise.
10295 * genextract.c: Likewise.
10296 * genflags.c: Likewise.
10297 * gengenrtl.c: Likewise.
10298 * genopinit.c: Likewise.
10299 * genoutput.c: Likewise.
10300 * genpeep.c: Likewise.
10301 * genrecog.c: Likewise.
10303 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10305 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10307 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10309 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10310 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10311 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10312 * configure, config.in: Rebuilt.
10314 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10316 * config/i386/i386.md: Add peephole to merge successive stack
10319 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10321 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10322 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10323 when walking backwards to find all the parameter loads when
10324 the basic block ends in a call.
10326 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10328 * loop.c (this_loop_info): Delete.
10329 (uid_loop): Add in place of uid_loop_num. All uses updated.
10330 (loop_number_exit_count): Delete and replace with entry in loop
10331 structure. All uses updated.
10332 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10333 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10334 (loop_outer_loop): Likewise.
10335 (loop_invalid, loop_number_exit_labels): Likewise.
10336 (loop_used_count_register): Delete and replace with entry in
10337 loop_info structure.
10338 (find_and_verify_loops): Add loops argument.
10339 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10340 loop_end, etc. arguments with loop structure pointer. All callers
10342 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10343 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10344 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10345 (insert_bct): Likewise.
10346 (basic_induction_var): New argument level.
10347 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10348 vtop, and cont. Add used_count_register.
10349 (uid_loop): Delete declaration.
10350 (loop_number_exit_count): Likewise.
10351 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10352 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10353 (loop_outer_loop, loop_used_count_register): Likewise.
10354 (loop_invalid, loop_number_exit_labels): Likewise.
10355 (unroll_loop): Replace loop_start and loop_end arguments
10356 with loop structure pointer.
10357 (loop_precondition_p, loop_iterations): Likewise.
10358 Include basic-block.h.
10359 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10360 with loop structure pointer.
10361 (loop_precondition_p, loop_iterations): Likewise.
10362 * basic-block.h (struct loop): New entries vtop, cont,
10363 cont_dominator, start, end, top, scan_start, exit_labels,
10365 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10367 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10369 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10371 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10373 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10375 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * pdp11-protos.h: New file.
10379 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10382 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10385 * pdp11.md: Likewise.
10387 * 2bsd.h: Likewise.
10389 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10391 * mn10300-protos.h: New file.
10393 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10396 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10399 * mn10300.md: Likewise.
10401 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10403 * mn10200-protos.h: New file.
10405 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10408 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10411 * mn10200.md: Likewise.
10413 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415 * h8300-protos.h: New file.
10417 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10420 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10423 * h8300.md: Likewise.
10425 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10427 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10428 (asm_emit_uninitialised): Likewise.
10430 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10432 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10433 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10435 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10437 * config/mips/mips.c (override_options): Don't turn on extra
10438 alignment for mips16.
10440 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10442 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10443 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10446 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10448 * builtins.c (PAD_VARARGS_DOWN): Define.
10449 (std_expand_builtin_va_arg): Use the above macro.
10450 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10451 * tm.texi (Register Arguments): Document the above macro.
10453 2000-01-14 Nick Clifton <nickc@cygnus.com>
10455 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10456 that this function has not been used to emit a jump
10459 * jump.c (return_jump_1): Cope with being passed a null rtx.
10461 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10463 * eh-common.h: PROTO -> PARAMS.
10464 * emit-rtl.c: Likewise.
10465 * errors.c: Likewise.
10466 * errors.h: Likewise.
10467 * except.c: Likewise.
10468 * except.h: Likewise.
10469 * explow.c: Likewise.
10470 * expmed.c: Likewise.
10471 * expr.c: Likewise.
10472 * expr.h: Likewise.
10473 * final.c: Likewise.
10474 * fix-header.c: Likewise.
10475 * flow.c: Likewise.
10476 * fold-const.c: Likewise.
10477 * function.c: Likewise.
10478 * function.h: Likewise.
10480 * gcov-io.h: Likewise.
10481 * gcov.c: Likewise.
10482 * gcse.c: Likewise.
10484 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10486 * sh-protos.h: New file.
10488 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10489 Add static prototypes. Fix compile time warnings.
10491 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10495 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10497 * arc-protos.h: New file.
10499 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10502 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10505 * arc.md: Likewise.
10507 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10509 * dsp16xx-protos.h: New file.
10511 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10514 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10517 * dsp16xx.md: Likewise.
10519 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10521 * convex-protos.h: New file.
10523 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10526 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10529 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10531 * elxsi-protos.h: New file.
10533 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10536 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10539 * elxsi.md: Likewise.
10541 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10543 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10544 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10545 match the comment for MIPS16.
10547 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10549 * flow.c (split_edge): Do not call set_block_for_insn if we
10550 do not have a basic_block_for_insn structure.
10552 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10553 and destination functions are 32bit aligned within the trampoline.
10554 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10555 (TRAMPOLINE_ALIGNMENT): Define.
10557 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10558 (set (pc) (label_ref)), verify the change creates a valid insn.
10560 * fr30.c (call_operand): Tighten and rework to match rules for
10561 call RTL expressions.
10562 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10563 * fr30.md (call patterns): Improve constraints.
10565 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10567 * fr30.c (fr30_expand_epilogue): Revert last change.
10568 Use emit_jump_insn for the return insn.
10570 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10571 Stan Cox <scox@cygnus.com>
10573 * predict.c: New file. Preliminary infrastructure work for static
10574 branch prediction and basic block reordering.
10575 * basic-block.h: Add prototype for estimate_probability.
10576 * Makefile.in: Add rules for predict.o.
10578 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10580 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10581 * fixinc/*: Likewise.
10583 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10585 * cccp.c: PROTO -> PARAMS.
10586 * cexp.y: Likewise.
10587 * collect2.c: Likewise.
10588 * combine.c: Likewise.
10589 * convert.h: Likewise.
10591 * dbxout.c: Likewise.
10592 * dbxout.h: Likewise.
10593 * diagnostic.c: Likewise.
10594 * doprint.c: Likewise.
10595 * dwarf2out.c: Likewise.
10596 * dwarf2out.h: Likewise.
10597 * dwarfout.c: Likewise.
10598 * dwarfout.h: Likewise.
10599 * dyn-string.h: Likewise.
10601 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10603 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10604 macro conditionals guarding use.
10606 * dwarf2out.c: Include "tm_p.h".
10608 * function.c (locate_and_pad_parm): Mark parameter with
10610 (expand_function_end): Likewise for variable `context'.
10612 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10614 2000-01-13 Nick Clifton <nickc@cygnus.com>
10616 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10617 register to prevent compile time warnings.
10619 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10621 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10622 to avoid -Wtraditional warning.
10624 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10626 * 1750a-protos.h: New file.
10628 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10631 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10634 * 1750a.md: Likewise.
10636 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10638 * a29k-protos.h: New file.
10640 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10643 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10646 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10648 * clipper-protos.h: New file.
10650 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10653 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10656 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10658 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10660 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10662 * configure.in (--enable-new-gxx-abi): New option.
10663 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10664 * Makefile.in (GXX_ABI_FLAG): New variable.
10665 * configure: Regenerate.
10667 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10669 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10670 * tm.texi (FORCE_STRUCT_BLK): Document.
10671 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10673 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10675 * config/ns32k/ns32k.md: Revert Jan 9 change.
10677 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10678 to a mode-test, if the predicate is address_operand.
10680 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10682 * combine.c (if_then_else_cond): Be careful about what kinds
10683 of RTL expressions are passed to operand_subword.
10685 * flow.c (split_edge): If we have to insert a new jump, make
10686 sure to associate it with a basic block.
10688 * flow.c (commit_one_edge_insertion): A block with one successor
10689 can end in a JUMP_INSN that is not a simplejump.
10691 2000-01-12 Robert Lipe <robertl@sco.com>
10693 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10694 (BUILD_VA_LIST_TYPE): Define.
10695 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10698 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10700 * cccp.c (do_pragma): Add cast to (char *).
10702 2000-01-12 Richard Henderson <rth@cygnus.com>
10703 Fred Fish <fnf@be.com>
10704 Jason Merrill <jason@cygnus.com>
10706 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10707 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10708 * i386/beos-elf.h, i386/beos-pe.h: New files.
10710 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10711 * cross-make (SYSTEM_HEADER_DIR): Define using
10712 CROSS_SYSTEM_HEADER_DIR.
10714 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10715 (process_command): Use it.
10716 (main): Likewise. Kill trailing = from env vars.
10717 (build_search_list): Put it back.
10718 * collect2.c (main): Use LIBRARY_PATH_ENV.
10720 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10721 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10723 * tm.texi (Frame Layout): Document SMALL_STACK.
10724 * c-common.c (c_common_nodes_and_builtins): Check it.
10726 * system.h: Undef alloca after including glibc's <stdlib.h>,
10727 if USE_C_ALLOCA is defined.
10729 * gcc.c (set_input): New fn.
10730 (main): After all input files are compiled, reset the input file
10733 * aclocal.m4 (rindex, index): If already defined, don't attempt
10736 * ginclude/varargs.h: (__va_list__): Define ifndef.
10737 * ginclude/stdarg.h: Likewise.
10739 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10740 instead of unsigned char.
10742 * hash.h (true, false, boolean): Undef before enum.
10744 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10745 proper type of "HOST_WIDE_INT *", rather than their natural type of
10746 "unsigned HOST_WIDE_INT *".
10748 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10750 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10752 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10754 * regclass.c (choose_hard_reg_mode): Likewise.
10756 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10758 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10760 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10762 * c-common.c: PROTO -> PARAMS.
10763 * c-common.h: Likewise.
10764 * c-decl.c: Likewise.
10765 * c-iterate.c: Likewise.
10766 * c-lang.c: Likewise.
10767 * c-lex.c: Likewise.
10768 * c-lex.h: Likewise.
10769 * c-parse.in: Likewise.
10770 * c-pragma.c: Likewise.
10771 * c-pragma.h: Likewise.
10772 * c-tree.h: Likewise.
10773 * c-typeck.c: Likewise.
10774 * objc/objc-act.c: Likewise.
10775 * objc/objc-act.h: Likewise.
10777 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10779 * m88k-protos.h: New file.
10781 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10784 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10786 * m88k.md: Likewise.
10788 * tekXD88.h: Likewise.
10790 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10792 * m68k-protos.h: New file.
10794 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10797 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10799 * mot3300.h: Likewise.
10801 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10803 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10805 (extract_bitlist): Declare bitlen.
10807 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10809 * cccp.c: Accept and ignore -lang-fortran.
10811 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10812 qualifiers don't match at any level of pointerness.
10814 2000-01-12 Robert Lipe <robertl@sco.com>
10816 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10818 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10820 * reload1.c (reload_reg_unavailable): New static variable.
10821 (reload_reg_free_p): Test it.
10822 (reload_reg_free_for_value_p): Test it instead of
10824 (choose_reload_regs_init): Compute it.
10826 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10828 * reorg.c (fill_slots_from_thread): Check modified_in_p
10831 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10833 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10834 these nodes even if INTERNALS is not set.
10836 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10838 * gcse.c (delete_null_pointer_checks_1): Cope when
10839 get_condition cannot determine the condition.
10841 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10843 * toplev.h (set_message_length): Declare.
10845 * diagnostic.c (obstack_chunk_alloc): Define macro.
10846 (obstack_chunk_free): Likewise.
10847 (struct output_buffer): New data structure.
10848 (vmessage): Remove.
10849 (output_maximum_width): New variable.
10850 (doing_line_wrapping, set_message_length, init_output_buffer,
10851 get_output_prefix, output_space_left, emit_output_prefix,
10852 output_newline, output_append, output_puts, dump_output,
10853 vbuild_message_string, build_message_string, build_location_prefix,
10854 voutput_notice, output_printf, line_wrapper_printf,
10855 vline_wrapper_message_with_location): New functions. Implement
10856 automatic line wrapping.
10857 (v_message_with_decl): Make it handle automatic line wrapping.
10858 (v_error_with_file_and_line): Likewise.
10859 (v_warning_with_file_and_line): Likewise.
10860 (announce_function): Likewise.
10861 (default_print_error_function): Likewise.
10863 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10865 * cpplib.h (struct cpp_options): Change lang_asm to char.
10867 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10868 done in cpp_handle_option now.
10869 (initialize_builtins): Take out special case code used only by
10871 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10872 if -traditional. Recognize -lang-fortran and set
10873 lang_fortran, also turn off cplusplus_comments.
10874 (print_help): Document -lang-fortran.
10875 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10876 lang_asm. Ignore all directives other than `# 123 "file"' if
10878 (cpp_get_token): If -traditional, don't recognize directives
10879 unless the # is in column 1.
10880 (parse_string): If lang_fortran or lang_asm, silently
10881 terminate strings ('' or "") at end of line.
10882 Remove unnecessary braces.
10884 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10885 Richard Henderson <rth@cygnus.com>
10887 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10889 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10890 strict_low_part when possible.
10892 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10894 * alias.c: PROTO -> PARAMS.
10895 * basic-block.h: Likewise.
10896 * bitmap.c: Likewise.
10897 * bitmap.h: Likewise.
10898 * builtins.c: Likewise.
10899 * c-aux-info.c: Likewise.
10900 * caller-save.c: Likewise.
10901 * calls.c: Likewise.
10903 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10905 * Makefile.in (toplev.o): Depend on regs.h.
10907 * output.h (tdesc_section): Prototype.
10909 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10911 * sdbout.c: Include "tm_p.h".
10913 * toplev.c: Include "regs.h".
10915 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10917 * unroll.c (unroll_loop): Add EH support.
10919 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10921 * pa-protos.h: New file.
10923 * pa.c: Include recog.h and tm_p.h.
10924 (compute_zdepwi_operands, compute_movstrsi_length,
10925 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10926 find_addr_reg, import_milli): Add static prototypes.
10927 (pa_cpu_string, pa_arch_string): Constify a char*.
10928 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10929 (read_only_operand): Add argument `mode'.
10930 (singlemove_string, output_move_double, output_fp_move_double,
10931 output_block_move, output_and, output_ior, output_ascii,
10932 remove_useless_addtr_insns, milli_names, output_mul_insn,
10933 output_div_insn, output_mod_insn, output_arg_descriptor,
10934 output_cbranch, output_bb, output_bvb, output_dbra, ,
10935 output_millicode_call, output_call, hppa_encode_label,
10936 output_parallel_movb, output_parallel_addb): Constify a char*.
10937 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10938 (output_parallel_addb): Remove extra arg to `constrain_operands'
10940 * pa.h: Move all prototypes to pa-protos.h.
10941 (pa_cpu_string, pa_arch_string): Constify a char*.
10942 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10944 * pa.md: Call `function_label_operand' with mode argument.
10945 Likewise for `read_only_operand'.
10946 Fix nesting of parens in call to `symbolic_operand'.
10948 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10950 * i860-protos.h: New file.
10952 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10955 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10957 * i860.md: Likewise.
10959 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10961 * i386.md (movstrsi expander): Rewrite.
10962 (movstrsi_1 insn): Deleted.
10963 (strmovhi, strmovqi expander): New expanders.
10964 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10965 * i386.c (x86_single_stringop): New global variable.
10966 * i386.h (x86_single_stringop): Declare.
10967 (TARGET_SINGLE_STRINGOP): New macro.
10969 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10971 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10972 integer vararg POSTINCREMENT before the destination of the jump
10973 for the hard fp case.
10974 (function_arg_pass_by_reference): Pass a copy of CUM to
10977 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10978 for CONSTANT_ADDRESS_P above while loop for subreg.
10980 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10982 * flow.c (propagate_block): When a prologue/epilogue insn
10983 is marked dead, unconditionally clear libcall_is_dead and
10984 insn_is_dead, and only dump rtl if warnings aren't being
10987 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10989 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10990 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10991 (FIXED_REGISTERS): Set dirflag as fixed.
10992 (CALL_USED_REGISTERS): Set dirflag as used.
10993 (REG_ALLOC_ORDER): Set dirflag as last one.
10994 (DIRFLAG_REG): New macro.
10995 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10996 (HI_REGISTER_NAMES): Add dirflag.
10997 (DEBUF_PRINT_REG): Handle dirflag.
10998 * i386.md (type attribute): New cld and str types.
10999 (length_opcode attribute): Set cld and str to 1.
11000 (memory attribute): Set str to unknown - it is not clear from the
11002 (pent_np function unit): Prefixed string operations takes 12 cycles
11003 minimally; cld takes 2 cycles.
11004 (ppro_uops attribute): Str is "many" and cld is "few".
11005 (ppro_p0 unit): Handle cld here.
11006 (k6_alux unit): Handle cld and str types.
11007 (k6_load unit): It is ocupied by str opcodes.
11008 (k6_store unit): It is ocupied by str opcodes.
11009 (athlon_decode): Str is vector decoded.
11010 (athlon_ieu): Handle str and cld.
11011 (cld pattern): New.
11012 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11013 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11014 cmpstrsi_nz_1 insn): Do not output cld instruction
11016 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11018 * gcc.texi (G++ and GCC): Add Java and Chill.
11019 (Bug Critera): Don't list languages.
11021 * gcc.texi (Incompatibilities): No longer claim most C compilers
11024 * gcc.texi (G++ and GCC): Update other front-ends list.
11026 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11028 * i386.c (ix86_expand_setcc): Fix typo.
11029 (ix86_expand_movcc): Similarly.
11031 * Band-aid until haifa's bitset implementation is nuked.
11032 * haifa-sched.c (extract_bitlst): New parameter for size of the
11033 bitset in bits. All callers changed. Avoid looking at undefined
11034 bits in the bitset.
11035 (edgeset_bitsize): New variable.
11036 (schedule_region): Initialize edgeset_bitsize.
11038 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * Makefile.in (optabs.o): Depend on real.h
11041 (resource.o): Depend on insn-attr.h
11043 * builtins.c (result_vector): Wrap prototype in macro conditions
11044 governing definition and use.
11046 * c-common.c: Include tm_p.h.
11048 * c-lex.c: Likewise.
11050 * elfos.h: Constify a char*.
11052 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11053 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11054 parameter with ATTRIBUTE_UNUSED.
11056 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11059 * haifa-sched.c (schedule_insns): Mark parameter with
11062 * optabs.c: Include real.h.
11064 * real.h (ereal_atof): Add prototype arguments.
11066 * resource.c: Include insn-attr.h.
11068 * sdbout.c (sdbout_queue_anonymous_type,
11069 sdbout_dequeue_anonymous_types): Wrap in macro
11070 SDB_ALLOW_FORWARD_REFERENCES.
11071 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11074 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11076 * stupid.c: Include tm_p.h.
11078 * tree.c (real_value_from_int_cst): Mark parameter with
11081 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11083 * i960-protos.h: New file.
11085 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11088 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11090 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11092 * combine.c (expand_field_assignment): Do not discard SUBREGs
11093 while computing nonzero_bits.
11095 2000-01-09 Nick Clifton <nickc@cygnus.com>
11097 * config/arm/arm.c: Fix compile time warnings about signed vs
11098 unsigned constants.
11099 * config/arm/arm.h: Fix compile time warnings about signed vs
11100 unsigned constants.
11102 2000-01-09 Philip Blundell <philb@gnu.org>
11104 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11105 than `ldm' with only one register.
11106 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11109 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11112 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11114 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11117 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11119 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11120 assignment used as truth value.
11122 * function.c (assign_temp): Mark parameter `dont_promote' with
11123 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11124 PROMOTE_FOR_CALL_ONLY.
11126 * genrecog.c (write_subroutine): Mark variable `operands' with
11129 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11132 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11133 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11135 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11138 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11140 * config/c4x.h: Tidy up comments.
11141 * config/c4x.c: Likewise.
11143 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11145 * fold-const.c (lshift_double, rshift_double): Handle
11146 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11148 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11150 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11151 in prepare_function_start().
11153 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11155 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11156 longer allocate extra stack for function calls.
11158 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11160 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11162 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11164 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11166 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11168 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11169 * aix43.h: Revert Aug 2 change.
11170 (HAS_INIT_SECTION): Define, not visible yet.
11171 (LD_INIT_SWITCH): Define, not visible yet.
11172 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11174 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11176 * collect2.c (main): Expand ld2 size further.
11177 (export_object_lst): Cast assignment to avoid warning.
11178 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11179 (scan_prog_file, COFF): Do not collect initialization or
11180 finalization functions generated for entire shared object if
11181 init/fini support present.
11183 2000-01-07 Nick Clifton <nickc@cygnus.com>
11185 * config/elfos.h: Tidy up formatting of marcos. Make sure
11186 that .section directives are always prefixed by a tab.
11188 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11191 2000-01-07 Matt Austern <austern@sgi.com>
11193 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11196 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11198 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11200 (crtbegin.o, s-crtS): Likewise.
11202 2000-01-06 Richard Henderson <rth@cygnus.com>
11204 * alpha.md (adddi_2+1): Limit offset such that it will be
11205 loadable with a single ldah+lda pair.
11206 (adddi_2+2): Explicitly fail split if we can't make it work.
11208 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11210 * protoize.c: Conditionally include unistd.h.
11211 (IS_SAME_PATH_CHAR): New macro.
11212 (IS_SAME_PATH): New macro.
11213 (CPLUS_FILE_SUFFIX): New macro.
11214 (cplus_suffix): New static variable.
11215 (is_abspath): New static function.
11216 (in_system_include_dir): Handle DOS style pathnames.
11217 (file_could_be_converted): Likewise.
11218 (file_normally_convertible): Likewise.
11219 (directory_specified_p): Likewise.
11220 (file_excluded_p): Likewise.
11221 (abspath): Likewise.
11222 (shortpath): Likewise.
11223 (referenced_file_is_newer): Likewise.
11224 (save_def_or_dec): Likewise.
11225 (do_processing): Likewise.
11227 (edit_file): Likewise. Use rename instead of link.
11228 (rename_c_file): Likewise. Don't rename syscalls file.
11229 (munge_compile_params): Define null device for DOS based systems.
11230 (process_aux_info_file): Use binary mode if appliable.
11231 (edit_file): Likewise.
11232 * invoke.texi (Running Protoize): Document C++ suffixes used.
11234 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11235 IS_DIR_SEPARATOR macros.
11236 * collect2.c: Likewise.
11237 * cppinit.c: Likewise.
11238 * dwarf2out.c: Likewise.
11240 * gcov.c: Likewise.
11241 * prefix.c: Likewise.
11243 * toplev.c: Likewise.
11244 * system.h: And move to here.
11246 * prefix.c (update_path): Fix typo in variable name.
11248 2000-01-06 Richard Henderson <rth@cygnus.com>
11250 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11251 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11252 (count_reg_sets_1, count_reg_references): Likewise.
11253 (flow_loops_level_compute): Start counting actual loop depth at 1.
11254 (flow_loops_find): Likewise.
11255 * local-alloc.c (update_equiv_regs): Likewise.
11256 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11258 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11260 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11261 FIRST_PSEUDO_REGISTER
11262 * dwarf2out.c: Don't include frame.h
11263 * dwarfout.c: Likewise
11264 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11267 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11269 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11272 * i386.c (movsf splitter): Fix typo in my last checkin.
11274 2000-01-05 Nick Clifton <nickc@cygnus.com>
11276 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11277 own definition of this macro.
11278 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11279 flag_data_sections or UNIQUE_SECTION_P are true.
11281 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11282 unitialised data decls.
11284 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11285 being called for uninitialised data.
11287 * config/i386/interix.c (i386_pe_unique_section): Cope with
11288 being called for uninitialised data.
11290 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11291 for uninitialised data.
11293 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11294 for uninitialised data.
11296 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11297 for uninitialised data.
11299 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11300 (UNIQUE_SECTION_P): Always generate a unique section if
11301 flag_data_sections is true.
11302 (UNIQUE_SECTION): Also generate unique sections for
11303 uninitialised data.
11304 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11305 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11308 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11310 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11313 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11315 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11316 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11317 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11318 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11319 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11321 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11323 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11325 * c-decl.c (finish_enum): Simplify code to determine minimum and
11326 maximum values of the enum, and calculate the type. Remove check
11327 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11328 the DECL_INITIAL of each enumeration constant with a copy converted
11329 to the enumeration type. When updating variant types, don't bother
11330 updating the type itself.
11332 * c-typeck.c (build_binary_op): Simplify conditional expressions
11333 when weeding out spurious signed-unsigned warnings. Add new
11334 spurious warning category: if the unsigned quantity is an enum
11335 and its maximum value fits in signed_type(result_type). Update
11337 (build_conditional_expr): Warn here if one alternative is signed
11338 and the other is unsigned.
11340 2000-01-05 Nick Clifton <nickc@cygnus.com>
11342 * config/fr30/fr30.h: Remove extraneous comments.
11344 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11346 * reload1.c (choose_reload_regs): When disabling a reload, also
11347 set reload_spill_index to -1.
11349 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11351 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11353 (m68*-*-rtemself*): New target.
11354 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11355 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11356 (sparc*-*-rtemself*): New target.
11357 (sparc*-*-rtems*): Now elf not a.out.
11358 * config/i386/rtems.h: Include config/rtems.h.
11359 * config/i386/rtemself.h: Include config/rtems.h.
11360 * config/i960/rtems.h: Include config/rtems.h.
11361 * config/m68k/rtems.h: Include config/rtems.h.
11362 * config/m68k/rtemself.h: Include config/rtems.h.
11363 * config/mips/rtems64.h: Include config/rtems.h.
11364 * config/pa/rtems.h: Include config/rtems.h.
11365 * config/rs6000/rtems.h: Include config/rtems.h.
11366 * config/sh/rtems.h: Include config/rtems.h.
11367 * config/sh/rtemself.h: Include config/rtems.h.
11368 * config/sparc/rtems.h: Include config/rtems.h.
11369 * config/sparc/rtemself.h: Include config/rtems.h
11371 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11373 * final.c (shorten_branches): Correctly compute length of
11374 asms without operands.
11376 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11378 * configure.in: Add pj target.
11379 * configure: Regenerate.
11380 * config/pj: New directory.
11381 * config/pj/lib1funcs.S: New file.
11382 * config/pj/linux.h: New file.
11383 * config/pj/pj.c: New file.
11384 * config/pj/pj.md: New file.
11385 * config/pj/pjl.h: New file.
11386 * config/pj/t-pj: New file.
11387 * config/pj/xm-pj.h: New file
11389 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11391 * toplev.c (rest_of_compilation): Run shorten-branches before
11394 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11396 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11397 macros so that they're consistent with their names.
11398 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11399 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11401 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11403 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11404 modified inadvertently.
11406 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11408 * configure.in (v850*-*-rtems*): New target.
11409 * configure: Regenerate.
11410 * config/v850/rtems.h: New file.
11412 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11414 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11415 (__gthread_key_create): Likewise.
11416 (__gthread_key_dtor): Likewise.
11417 (__gthread_once): Fix logic.
11418 (__gthread_key_delete): Cast away constness.
11420 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11421 * invoke.texi: Document.
11422 * i386/mingw32.h (CPP_SPEC): Use.
11423 (LIBGCC_SPEC): Likewise.
11424 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11426 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11428 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11429 (HANDLE_PRAGMA_PACK): Undefine.
11430 (SLOW_UNALIGNED_ACCESS): Define.
11432 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11434 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11435 to default definition.
11436 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11437 (store_fixed_bit_field): Call macro with word_mode and alignment.
11438 (extract_bit_field): Call macro with relevant mode and alignment.
11439 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11440 to default definition.
11441 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11443 (move_by_pieces_ninsns): Likewise.
11444 (clear_by_pieces): Likewise.
11445 (emit_push_insn): Likewise.
11446 (store_field): Call macro with relevant mode and alignment.
11447 (expand_expr): Likewise.
11448 (expand_expr_unaligned): Likewise.
11450 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11451 (SLOW_UNALIGNED_ACCESS): Define.
11452 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11453 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11454 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11455 (toc_section): Likewise and .toc pseudo-op.
11456 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11458 (TEXT_SECTION_ASM_OP): Likewise.
11459 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11462 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11463 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11464 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11465 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11466 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11468 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11470 * regclass.c: Revert my Jan 4 change to loop cost computation.
11472 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11474 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11477 2000-01-04 Stan Cox <scox@cygnus.com>
11479 * haifa-sched.c (build_control_flow): Change unreachable simple
11480 loop test to check if current block has only one predecessor.
11481 (find_rgns): Initialize degree. Use dest as degree index, not src.
11483 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11485 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11487 * calls.c (expand_call): Likewise for
11488 `old_stack_arg_under_construction'.
11490 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11492 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11495 * gcc.c (execute): Likewise for `ut' and `st'.
11497 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11499 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11501 * jump.c (jump_optimize_1): Likewise for `temp2'.
11503 * local-alloc.c (block_alloc): Likewise for `r1'.
11505 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11507 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11508 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11510 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11513 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11514 and `goal_earlyclobber'.
11516 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11518 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11520 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11522 * unroll.c (copy_loop_body): Likewise for `copy'.
11524 * varasm.c (output_constructor): Likewise for `byte'.
11526 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11528 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11529 all FP constants for constant->reg moves.
11530 (ix86_split_to_parts): Try to convert memory address into immediate
11531 when available in the constant pool.
11532 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11534 (LEGITIMATE_CONSTANT_P): Return 1.
11535 * i386.md (pushsf): New splitter to convert constant pool memory
11536 reference to immediate.
11537 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11540 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11542 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11543 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11544 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11545 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11546 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11548 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11550 * ginclude/stdbool.h: Support compilation as C++.
11552 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11554 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11556 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11558 * regclass.c (regclass): Properly compute loop_cost. Adjust
11561 * regclass.c: Fix minor whitespace problems.
11563 2000-01-03 Anthony Green <green@cygnus.com>
11565 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11566 Restore the pic register if required.
11568 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11570 * c-common.c (format_char_info): Update comment.
11571 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11572 was recognized. Emit warning for formats new in ISO C99 only
11573 if flag_isoc9x is not set.
11575 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11577 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11579 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11581 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11582 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11583 (make_compound_operation): Choose cheaper alternative between
11584 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11586 * regclass.c (op_costs): Remove global variable.
11587 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11588 (record_operand_costs): Break out from ...
11589 (scan_one_insn): ... here.
11590 (dump_regclass): Make dumps nicer.
11591 (regclass): Dump preferrences choosed and changes done during passes.
11593 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11595 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11597 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11599 * config/sparc/sparc.c (gen_df_reg): New function.
11600 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11601 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11602 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11603 movtf_cc_reg_sp64+1): Use it.
11605 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11607 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11608 copied LABEL_DECLs.
11610 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11612 * config/i386/i386.c (ix86_expand_unary_operator): Function
11613 definition made void.
11614 (ix86_expand_binary_operator): Update outdated preceding comment.
11615 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11618 * config/i386/i386.c (override_options): Fix option-name typo.
11620 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11622 * system.h (CEIL): Define.
11623 * builtins.c (CEIL): Remove.
11624 * expmed.c (CEIL): Likewise.
11625 * expr.c (CEIL): Likewise.
11626 * stor-layout.c (CEIL): Likewise.
11628 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11630 * expr.c (store_constructor_field): Fix typo introduced with last
11633 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11635 * tree.h (BINFO_N_BASETYPES): New macro.
11637 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11639 * expmed.c (emit_store_flag): Prevent losing a pending stack
11640 adjust the same way we prevent losing queued increments.
11642 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11644 * function.c (update_temp_slot_address): Handle case where sum of
11645 temporary address plus offset in register is a valid address.
11647 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11649 * genrecog.c (change_state) Corrected typo.
11651 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11653 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11654 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11655 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11657 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11659 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11660 case, expand GT comparisons correctly. Fix a comment before this
11663 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11665 * dwarfout.c: Include "frame.h"
11666 * dwarf2out.c: Likewise.
11667 * Makefile.in (dwarfout.o): Depend on frame.h
11668 (dwarf2out.o): Likewise.
11670 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11672 Restore i386 binary compatibility in Dwarf EH info.
11673 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11674 value of FIRST_PSEUDO_REGISTER.
11675 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11676 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11677 * dwarfout.c (output_reg_number): Ditto.
11678 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11679 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11681 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11683 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11684 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11685 (<hack>_RE_CT): not needed
11686 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11687 rewritten to scan the file text once only
11688 "template<..." test added
11689 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11690 (is_cxx_header): declaration added
11691 * fixinc/fixtests.c(is_cxx_header): removed
11692 (apply_fix_p_t): removed
11693 (double_slash_test): is_cxx_header is only called once now
11694 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11695 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11696 within the templates.
11697 The borken spelling of "broken" was fixed.
11698 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11699 The default level depends on FIXINC_DEBUG.
11701 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11703 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11704 Otherwise provide a declaration for atexit.
11705 (init_dummy): Make sure dummy call to atexit is nevertheless
11706 called with correct number of args.
11708 * frame.c: Update comments referring to other files.
11710 * libgcc2.c: Likewise.
11712 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11714 * cse.c (free_element, get_element): Remove unused prototypes.
11716 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11719 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11722 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11724 * configure.in,configure: case arm for mn10200-*-* now sets
11725 float_format=i32 so that float.h will correctly claim "double"
11726 to be 32 bits. Ran autoconf to generate configure from .in file.
11728 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11730 * pa.md (conditional zero): If op1 is a register, force it into
11731 the same register as op0.
11733 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11735 * tree.h (BINFO_BASETYPES): Improve documentation.
11737 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11739 * configure.in (--enable-checking): Use a more portable `for'
11742 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11744 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11745 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11747 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11750 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11751 Delete descriptions.
11753 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11754 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11755 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11756 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11757 xm-svr4.h: Remove all instances of sys_siglist handling.
11759 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11761 * config/sparc/sparc.md (cmp_zero_qi,
11762 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11763 cmp_zero_extendqidi2_andcc_set): New patterns.
11765 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11767 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11768 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11769 (fpgnulib.c, xfgnulib.c): Add rules.
11770 * m68k/t-mot3300-gas: Likewise.
11772 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11774 * configure.in: Avoid [[ by using test and changequote. Add
11775 changequote required by 1999-12-14 change.
11776 * configure: Rebuild.
11778 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11780 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11782 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11784 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11785 * flow.c (find_use_as_address): Likewise.
11786 * function.c (fixup_var_refs_1): Likewise.
11787 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11788 * jump.c (invert_exp, redirect_exp): Likewise.
11789 * loop.c (replace_call_address): Likewise.
11790 (count_nonfixed_reads): Likewise.
11791 * rtlanal.c (modified_between_p): Likewise.
11792 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11793 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11794 * unroll.c (remap_split_bivs): Likewise.
11796 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11798 * diagnostic.c (v_message_with_decl): Use .* format specifier
11799 instead of building the format specifier width manually.
11801 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11802 determining whether to provide a prototype. Remove the
11803 sys_siglist clause in the conditional.
11805 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11807 * fold-const.c (operand_equal_p): Use memcmp to compare string
11809 Suggested by D. J. Bernstein
11811 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11813 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11814 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11816 * config/mips/mips.h (TARGET_64BIT): Likewise.
11817 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11818 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11819 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11820 dsps. Give routines proper names if SI/DI modes are not used.
11821 * longlong.h: Use DWunion instead of DIunion.
11823 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11825 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11826 GC_CHECKING, GC_ALWAYS_COLLECT.
11827 * configure.in: Allow --enable-checking with an argument
11828 listing check modes to enable.
11829 * config.in, configure: Rebuilt.
11830 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11831 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11832 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11833 ENABLE_GC_ALWAYS_COLLECT.
11834 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11836 * tree.h, tree.c: Change ENABLE_CHECKING to
11837 ENABLE_TREE_CHECKING throughout.
11839 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11841 * fold-const.c (fold_truthop): Properly check for FP RHS.
11843 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11845 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11846 * toplev.c (note_deferral_of_defined_inline_function): New
11847 function, split out from ...
11848 (rest_of_compilation): ... here. Use it.
11850 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11852 * expr.c (store_constructor): Don't call clear_storage if size is
11855 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11857 * Makefile.in (toplev.o): Depend on loop.h.
11859 * dwarfout.c: Include tm_p.h.
11861 * emit-rtl.c (restore_emit_status): Mark parameter with
11864 * final.c (final_scan_insn): Likewise.
11866 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11867 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11868 flow_depth_first_order_compute, flow_loop_pre_header_find,
11869 flow_loop_tree_node_add, flow_loops_tree_build,
11870 flow_loop_level_compute, flow_loops_level_compute,
11871 flow_loop_outside_edge_p): Add prototypes.
11872 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11874 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11875 Mark with ATTRIBUTE_NORETURN.
11877 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11879 * local-alloc.c (no_conflict_p): Likewise.
11881 * loop.c (insert_bct): Hide definitions of variables with hidden
11883 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11885 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11886 with ATTRIBUTE_UNUSED.
11887 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11888 (reg_scan): Likewise.
11890 * reload.c (find_reloads): Remove unused variables `changed'.
11892 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11894 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11895 Remove unused variable `insn'.
11897 * toplev.c: Include loop.h.
11898 (report_file_and_line): Remove unnecessary prototype.
11900 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11902 * unroll.c (biv_total_increment): Likewise.
11904 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11906 * reload1.c (emit_input_reload_insns): Restore old behaviour
11907 wrt. 'special' reloads.
11909 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11911 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11912 hash.h. (cse.c): Don't depend on hashtab.h.
11914 * cse.c: Don't include hashtab.h.
11915 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11917 * ggc-simple.c: Don't include hash.h.
11919 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11921 * dwarf2out.c (add_abstract_origin_attribute): Call
11922 gen_abstract_function on our function context.
11924 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11926 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11928 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11930 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11933 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11935 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11936 constraints to "a!r".
11938 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11940 * Makefile.in (calls.o): Depend on function.h.
11941 (alias.o): Likewise.
11943 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11945 * reload1.c (emit_reload_insns): Break out code and variables into...
11946 (input_reload_insns, other_input_address_reload_insns,
11947 other_input_reload_insns, input_address_reload_insns,
11948 inpaddr_address_reload_insns, output_reload_insns,
11949 output_address_reload_insns, outaddr_address_reload_insns,
11950 operand_reload_insns, other_operand_reload_insns,
11951 other_output_reload_insns): ... new static variables, and...
11952 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11953 do_output_reload): ... new functions.
11955 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11957 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11959 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11961 * md.texi: Add c4x constraints documentation.
11963 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11965 * config/i386/dgux.c (struct option): Rename to
11966 lang_independent_option.
11967 (struct m_options): Add description field.
11968 (output_options): Rename option type, add sep declaration, output
11969 ix86_cpu_string and ix86_arch_string only if set.
11970 (output_file_start): Rename option type.
11972 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11974 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11976 (libgcc2.a): Similarly.
11978 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11980 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11981 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11982 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11984 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11986 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11987 Remove redundant initialization of "frexpon" and "expon".
11989 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11991 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11993 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11994 (store_constructor_field, expand_expr): Pass new arg.
11996 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11998 * Makefile.in (explow.o): Depend on function.h.
12000 * stor-layout.c (set_sizetype): Fix typo.
12002 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12004 * function.c (cfun): Renamed from current_function. All users
12006 * function.h (cfun): Rename declaration as well.
12008 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12009 to be of type regset_head, not regset. All users changed by adding
12011 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12013 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12015 * config/c4x/rtems.h: New file.
12017 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12019 * reload1.c (spill_failure): Take class of failed reload as argument
12020 and print it. Caller changed.
12022 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12024 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12025 (TARGET_SWITCHES): Allow subtargets to default switches.
12026 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12028 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12030 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12033 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12035 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12036 * cppinit.c (cpp_handle_option): Likewise.
12038 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12039 determine when to define.
12041 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12043 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12044 cmove with mismatched test and data modes.
12046 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12048 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12051 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12053 * alias.c: Minor reformatting.
12054 * flow.c: Likewise.
12055 * regs.h: Likewise.
12056 * stor-layout.c: Likewise.
12057 * fold-const.c: Likewise.
12058 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12059 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12061 (size_int_wide): Cache nodes even if garbage collecting.
12062 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12063 of SAVE_EXPR has no side effects.
12064 * cse.c: Move a comment.
12065 * tree.c: Minor reformatting.
12066 (int_size_in_bytes): Return -1 if constant overflows.
12068 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12070 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12072 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12074 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12075 after any change to c-parse.in, even if objc-parse.y didn't
12078 1999-12-18 David S. Miller <davem@redhat.com>
12080 * toplev.c (rest_of_compilation): Restore BLOCK tree
12081 reconstruction and branch shortening changes lost in
12082 December 18th change.
12084 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12086 * config/arm/linux-elf.h: Change all instances of
12087 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12088 * config/arm/uclinux-elf.h: Likewise.
12090 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12092 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12093 v_message_with_decl, file_and_line_for_asm,
12094 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12095 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12096 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12097 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12098 pfatal_with_name, fatal_io_error, need_error_newline,
12099 last_error_function, last_error_tick, announce_function,
12100 default_print_error_function, print_error_function,
12101 report_error_function, fnotice, error_with_file_and_line,
12102 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12103 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12104 warning_with_decl, warning_for_asm, warning, pedwarn,
12105 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12107 (compile_file): Use fnotice instead of notice. Adjust call.
12109 * diagnostic.c: New file.
12111 * Makefile.in (OBJS): Include diagnostic.o
12112 (diagnostic.o): Define dependence.
12114 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12116 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12119 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12121 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12123 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12125 * fixtests.c (is_cxx_header): New fn, split out of
12127 (else_endif_label): Allow "#endif // comment" in C++ headers,
12128 as determined by is_cxx_header.
12129 * fixfixes.c (else_endif_label_fix): Update comment.
12130 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12132 * genfixes: Correct double thinko in commandline parsing.
12133 * hackshell.tpl: Generate correct sh syntax for bypass
12136 * inclhack.def (all): Whenever an inserted preprocessor
12137 conditional is split over multiple lines, use double
12138 backslashes in this file so the fixed header will be readable.
12140 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12141 and add bypass entry for correct version of this header.
12142 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12143 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12145 (hpux8_bogus_inlines): New fix, split from...
12146 (ultrix_atof_param) ... here.
12147 (math_expression): Add bypass entry keyed to glibc comment
12148 indicating the problem has been dealt with; disable
12149 unnecessary sed operations; update commentary.
12150 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12151 add select and bypass entries, simplify shell operation.
12152 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12154 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12155 ultrix_atof_param): Add select entry.
12156 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12157 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12158 comments with the fixes they describe.
12160 * c-parse.in (string action): Do not warn about ANSI string
12161 concatenation in system headers. Affects C parser only.
12162 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12164 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12166 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12167 compiling libgcc2 the macro depends always on arch cpp defines.
12169 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12171 * loop.c (insert_loop_mem): Don't record MEMs from inside
12174 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12176 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12178 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12179 notes too, create one when replacement failed, attempt to simplify
12181 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12182 or REG_EQUIV notes.
12184 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12186 * crtstuff.c (__dso_handle): Declare.
12187 (__cxa_finalize): Likewise.
12188 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12191 * invoke.texi: Document -fuse-cxa-atexit.
12193 * tree.h (ptr_type_node): Document.
12194 (const_ptr_type_node): Likewise.
12196 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12198 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12199 (optimize_reg_copy_2): Likewise.
12200 (optimize_reg_copy_3): Likewise.
12201 (fixup_match_2): Likewise.
12202 (regmove_optimize): Likewise.
12203 (fixup_match_1): Liekwise.
12205 * i386.md (HI to SImode promoting splitters): Rewrite.
12206 (pushsf mem peep2): New.
12207 (testhi to andhi peep2): Remove.
12208 * i386.h (x86_promote_QImode): New.
12209 (TARGET_PROMOTE_QImode): New.
12210 (PREDICATE_CODES): Add promotable_binary_operator.
12211 * i386.c (x86_promote_QImode0: New.
12212 (promotable_binary_operator): New.
12213 * i386-protos.h (promotable_binary_operator): New.
12215 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12217 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12219 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12221 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12222 * function.c (insert_block_after_note): Remove.
12223 (retrofit_block): Likewise.
12224 (identify_blocks): Fix indentation.
12225 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12226 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12227 * function.h (insert_block_after_note): Remove prototype.
12228 (retrofit_block): Likewise.
12229 * integrate.c (expand_inline_function): Don't call
12230 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12231 just expand_start_bindings. Use the block_map to remap old
12232 NOTE_BLOCKs to new ones.
12233 (integrate_decl_tree): Keep track of remapped blocks.
12234 * integrate.h (struct inline_remap): Add block_map.
12235 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12236 NOTE_BLOCK on the notes.
12237 (expand_start_bindings): Rename to ...
12238 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12239 (expand_end_bindings): Set NOTE_BLOCK.
12240 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12241 reconstruct the BLOCK tree.
12242 * tree.h (expand_start_bindings): Macroize. Call ...
12243 (expand_start_bindings_and_block): New function.
12245 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12247 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12248 to match the format.
12250 1999-12-16 David S. Miller <davem@redhat.com>
12252 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12253 the outputs is a SUBREG.
12254 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12257 * config/sparc/sparc.c (epilogue_renumber): Add default case
12260 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12262 * toplev.c (rest_of_compilation): Run branch shortening after
12265 * regclass.c (loop_depth): Remove
12266 (scan_one_insn): Do not handle LOOP_NOTE insns.
12267 (regclass): Go through basic blocks and set loop_cost
12269 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12271 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12273 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12275 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12276 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12277 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12279 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12281 * loop.c (insert_loop_mem): Ignore memory clobbers.
12283 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12286 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12288 * profile.c: Remove redundant #include "output.h".
12290 * h8300.md (HImode preinc peephole): Fix typo.
12292 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12294 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12295 (insert_block_after_note): Abort if we don't have a previous block.
12296 Remove FN parameter.
12297 * function.h: Adjust.
12299 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12301 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12302 argument more than once.
12304 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12306 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12308 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12310 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12312 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12314 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12315 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12316 update stack_alignment_needed.
12317 (prepare_function_start): Initialize stack_alignment_needed
12318 * function.h (struct function): Add field stack_alignment_needed.
12320 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12322 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12323 Handle live_throughout / dead_or_set instead of live_before /
12325 (save_call_clobbered_regs): Get register livenessinformation from
12326 chain->live_throughout.
12327 (add_stored_regs): New function.
12328 (insert_restore, insert_save): Add restored / saved registers to
12330 * global.c (reg_dies): New parameter chain.
12331 (reg_becomes_live): Third parameter is regs_set now.
12332 Changed all callers.
12333 (reg_dies): New parameter chain. Changed all callers.
12334 (build_insn_chain): Set live_throughout instead of
12335 live_before / live_after.
12336 * reload.h (struct insn_chain): Replace members live_before /
12337 live_after with live_throughout / dead_or_set.
12338 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12339 instead of live_before / live_after.
12340 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12341 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12342 (choose_reload_regs_init): Likewise.
12343 * stupid.c (current_chain, find_clobbered_regs): Delete.
12344 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12345 instead of chain->live_before / chain->live_after.
12346 (mark_hard_ref): New function.
12347 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12349 1999-12-15 David S. Miller <davem@redhat.com>
12351 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12353 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12355 * flow.c (calculate_loop_depth): Make global, remove prototype,
12356 rewrite to use new loop infrastructure.
12357 (find_basic_block): Remove calculate_loop_depth call.
12358 * toplev.c (rest_of_compilation): Call find_basic_block.
12359 * output.h (calculate_loop_depth): Declare.
12361 * flow.c (dump_flow_info): Dump loop_depth.
12362 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12364 (flow_loops_find): Initialize the loop_depth for each basic block.
12366 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12368 * tree.c (decl_function_context): Handle virtual functions.
12370 * tlink.c (scan_linker_output): Don't look in demangled name when
12371 looking for linker output keywords.
12373 * dwarfout.c (output_type): We can defer namespace-scope classes.
12375 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12377 * regclass.c (record_reg_classes): Update comment for merging
12378 register class preferences in reg->reg copies. Tighten conditions
12379 for merging register class preferences in reg->reg copies.
12381 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12383 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12385 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12387 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12388 (INIT_SECTION_ASM_OP): Delete.
12389 (FINI_SECTION_ASM_OP): Delete.
12390 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12392 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12394 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12395 the abstract origin wasn't emitted.
12397 * dwarf2out.c (class_scope_p): New fn.
12398 (gen_subprogram_die): Use it.
12399 (gen_variable_die): Use it. Tweak logic.
12400 (gen_struct_or_union_type_die): Check context_die to determine
12401 if we're function-local.
12402 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12404 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12406 * loop.c (check_dbra_loop): Can't reverse a biv that has
12407 maybe_multiple set.
12409 1999-12-14 Nick Clifton <nickc@cygnus.com>
12411 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12414 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12416 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12417 for givs made from biv increments.
12419 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12421 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12422 * alpha.c (override_options): Recognize -mcpu=ev67.
12423 * alpha.h (CPP_CPU_EV67_SPEC): New.
12424 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12425 (EXTRA_SPECS): Update.
12427 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12429 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12430 appropriate for -lang-c89 and -std=*.
12431 * cppinit.c (cpp_handle_option): Likewise.
12432 (new_pending_define): New, split out from cpp_handle_option.
12433 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12434 or enable trigraphs for -ansi/-std=*.
12436 * ginclude/stdarg.h (__va_copy): New.
12437 (va_copy): Don't define for C89.
12439 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12441 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12442 for long long multiply-accumulate.
12444 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12446 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12447 optimizing for size.
12449 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12451 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12452 if something changed. Back out that part of yesterday's changes.
12454 * loop.c (loop_max_reg): New static variable.
12455 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12457 (scan_loop): Call reg_scan_update whenever we may have added new
12458 registers, and update loop_max_reg.
12460 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12462 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12463 when source does not die.
12465 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12467 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12469 * config/sparc/linux64.h (TARGET_LIVE_G0,
12470 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12472 * config/sparc/linux.h (TARGET_LIVE_G0,
12473 TARGET_BROKEN_SAVERESTORE): Likewise.
12474 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12475 TARGET_BROKEN_SAVERESTORE): Likewise.
12477 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12478 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12480 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12481 as sparc64 block profiling register.
12482 * config/sparc/sparc.c (sparc_override_options): Allow block
12483 profiling with -m32.
12484 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12485 profiling register.
12486 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12487 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12488 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12490 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12492 * config/sparc/sparc.h: Likewise.
12493 * config/sparc/xm-sysv4-64.h: Likewise.
12494 * config/float-sparc.h: Likewise.
12495 * glimits.h: Likewise.
12496 * longlong.h: Likewise.
12498 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12499 (ASM_IDENTIFY_GCC): Remove.
12501 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12503 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12504 (simplify_logical): Likewise.
12506 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12508 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12509 * cppfiles.c (INO_T_EQ): Likewise.
12511 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12513 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12514 * i386/mingw32.h (LIB_SPEC): Likewise.
12515 (STARTFILE_SPEC): Likewise.
12516 * i386/uwin.h (LIB_SPEC): Likewise.
12517 (STARTFILE_SPEC): Likewise.
12519 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12520 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12522 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12524 * combine.c (combine_simplify_rtx): Fix order of checks for
12525 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12527 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12529 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12530 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12532 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12534 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12536 * regclass.c (inv_reg_alloc_order): New array.
12537 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12539 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12540 counted_for_groups, counted_for_nongroups. Add fields rld and
12542 * reload.c (push_secondary_reload): Don't set nongroup field of
12544 (push_reload): Likewise.
12545 (find_reloads): Delete code to compute nongroup fields.
12546 * reload1.c (reload_insn_firstobj): New static variable.
12547 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12549 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12550 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12551 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12553 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12555 (struct hard_reg_n_uses): Deleted.
12556 (potential_reload_regs): Deleted.
12557 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12558 (reload): Don't try to allocate reload registers if we already know
12559 we have to make another pass. Call select_reload_regs. Free memory
12560 starting with reload_firstobj when starting another pass.
12561 Don't allocate spilled_pseudos.
12562 (calculate_needs_all_insns): Call copy_reloads for an insn that
12563 needs reloads; don't call calculate_needs.
12564 (spill_cost): New static array.
12565 (used_spill_regs_local): New static variable.
12566 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12567 to compute potential_reload_regs.
12568 (find_reload_regs): Completely rewritten to use find_reg.
12569 (allocate_reload_reg): Don't test counted_for_groups or
12570 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12571 all cllers changed.
12572 (choose_reload_regs): Add fallback code that uses the existing
12573 register allocation from find_reload_regs.
12575 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12577 * flow.c (create_edge_list): Cast xmalloc return value.
12579 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12581 * doprnt.c: Remove incorrect comment closure.
12583 * cse.c: Fix a few minor whitespace goofs.
12585 1999-12-13 Don Bowman <don@pixstream.com>
12587 * mips/vxworks.h: Fix problem with comment termination.
12588 (EXTRA_SECTIONS): Add in_sbss.
12589 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12591 1999-12-12 David S. Miller <davem@redhat.com>
12593 * cse.c (struct cse_reg_info): Add hash_next member,
12594 reorder rest of struct for better packing on 64-bit
12596 (cse_reg_info_tree): Kill.
12597 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12598 REGHASH_FN): New custom pow2 hash mechanism.
12600 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12601 use a pow2 hash table.
12602 (get_cse_reg_info): Rework to use new REGHASH.
12603 (new_basic_block): Likewise, use HASH_SIZE, and inline
12605 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12606 and inline free_element call.
12607 (lookup_as_function, insert, flush_hash_table, invalidate,
12608 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12609 invalidate_for_call, use_related_value, find_comparison_args,
12610 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12611 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12612 get_element): Kill.
12614 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12616 * cse.c (cse_basic_block): Free qty_table consistently.
12618 1999-12-12 David S. Miller <davem@redhat.com>
12619 Jakub Jelinek <jakub@redhat.com>
12621 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12622 SUBREGs by hand, gen the appropriate hard reg directly.
12623 (movtf reg/mem split): Likewise and alter_subreg on destination
12625 (movtf mem/reg split): Similarly.
12626 (movdf_cc_sp64): Rename from hidden pattern.
12627 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12628 (movtf_cc_sp64, following split): New pattern and splitter.
12629 (movdf_cc_reg_sp64): Rename from hidden pattern.
12630 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12632 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12634 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12636 * loop.c (load_mems): Don't hoist written floating point mem
12639 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12641 * except.h (struct eh_queue): Add `next' pointer.
12642 (struct eh_status): Make x_ehqueue a pointer.
12643 (push_ehqueue): Declare.
12644 (pop_ehqueue): Likewise.
12645 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12647 (expand_fixup_region_end): Likewise.
12648 (expand_leftover_cleanups): Likewise.
12649 (push_ehqueue): Define.
12650 (pop_ehqueue): Likewise.
12651 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12652 than doing it inline.
12653 (expand_start_all_catch): Adjust now that ehqueue is a
12655 (mark_eh_queue): Mark all level of the queue.
12656 (mark_eh_status): Adjust now that ehqueue is a
12658 (init_eh_for_function): Allocate ehqueue.
12659 (free_eh_status): Free it.
12660 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12661 expansion for a fixup.
12663 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12665 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12667 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12668 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12669 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12670 function_ptr, getpagesize, __enable_execute_stack,
12671 __enable_execute_stack, __clear_insn_cache,
12672 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12673 _cleanup, _exit, __default_terminate, __terminate_func,
12674 __terminate, __empty, __throw, new_eh_context,
12675 eh_context_initialize, eh_context_static, eh_context_specific,
12676 get_eh_context, __get_eh_context, __get_eh_info,
12677 init_reg_size_table, eh_threads_initialize,
12678 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12679 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12680 __pure_virtual): Add prototype arguments.
12681 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12682 Cast a signed value to unsigned long when comparing against one.
12683 (new_eh_context): Wrap in _GTHREADS macro.
12684 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12686 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12687 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12689 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12691 * combine.c (record_promoted_value): Remove unused variable
12694 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12696 * global.c (record_conflicts): Likewise for `j'.
12698 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12701 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12703 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12704 output_fp_compare): Constify a char*.
12706 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12708 (override_options, ix86_comp_type_attributes, print_operand,
12709 output_387_binary_op, output_fix_trunc, output_fp_compare):
12711 (ix86_sched_reorder): Mark parameter `clock_var' with
12714 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12716 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12718 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12719 operand, for use in the Java front-end.
12721 1999-12-10 Ben Collins <bcollins@debian.org>
12723 * configure.in: Fix typo for "-64" in 64bit as check.
12724 * configure: Rebuilt.
12726 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12728 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12731 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12733 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12734 concatenation is utilized.
12736 * invoke.texi (-Wtraditional): Document it.
12738 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12740 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12741 Cast a ptrdiff_t to long and pass it to printf with %ld.
12743 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12745 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12746 68881, we have no 68881 registers at all.
12747 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12748 value in a 68881 register if it is available.
12750 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12752 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12753 for long long multiply-accumulate.
12755 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12757 * loop.c (insert_loop_mem): Undo last change.
12759 1999-12-10 David S. Miller <davem@redhat.com>
12761 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12763 * config/sparc/sparc-protos.h: Add them.
12764 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12765 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12766 constraints which use those helpers.
12767 (EXTRA_CONSTRAINT): Use this new macro.
12768 * md.texi: Update sparc target constraints documentation.
12769 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12770 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12771 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12772 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12773 (movsf high/lo_sum split): Rework for new patterns.
12774 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12776 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12778 * c-common.c (c_common_nodes_and_builtins):
12779 Create __builtin_ptrdiff_t and __builtin_size_t.
12781 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12783 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12785 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12787 * regclass.c (globalize_reg): Re-instate test that allows
12788 fixed registers to be declared as a variable even after functions
12791 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12793 * i386.md (cpu attribute): Add "athlon".
12794 (athlon_decode): New attribute.
12795 (Athlon scheduling units definitions): New.
12796 (fcmp and shld patterns): Set athlon_decode to "vector".
12797 * i386.c (athlon_cost): New.
12799 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12800 x86_use_sahf): Set for Athlon.
12801 (x86_use_fiop): Unset for Athlon.
12802 (override_options): Define Athlon alignments and "athlon" name.
12803 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12804 * i386.h (TARGET_ATHLON): New.
12805 (enum processor_type): Add PROCESSOR_ATHLON.
12806 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12808 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12810 1999-12-09 Andreas Jaeger <aj@suse.de>
12812 * loop.c (record_biv): Declare parameter as int.
12814 * config/i386/i386-protos.h: Declare long_memory_operand.
12816 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12818 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12819 EXPR_WITH_FILE_LOCATION.
12821 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12823 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12826 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12828 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12831 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12833 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12834 default on linux64 again.
12835 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12836 models for multilibing.
12837 * genmultilib: Accept | as alternative separator within a set in
12840 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12842 * calls.c (precompute_arguments): Make sure initial_value contains
12843 value pseudo which CSE expects.
12844 * cse.c (struct set): New entry orig_src.
12845 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12848 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12850 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12852 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12854 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12856 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12858 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12859 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12861 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12864 * longlong.h: Merge in changes from glibc.
12865 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12866 -mno-app-regs libgcc can be compiled.
12867 * libgcc2.c: Add defines so that the updated longlong.h
12868 can be used in libgcc2.a. Also, make sure on most architectures
12869 (at least on all which have optimized code in longlong.h defined
12870 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12872 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12874 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12875 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12876 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12878 * configure: Rebuilt.
12880 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12882 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12883 outputs require a register.
12885 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12887 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12888 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12889 functions like dptoul will be resolved.
12890 (libgcc2.a): Make sure that the object files from DPBIT are named
12891 differently (prefix `_dp') from those that would be coming from
12894 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12896 * configure.in: When target is sparc* and tm_file contains 64,
12897 test for 64bit support in assembler. If not supported, remove
12898 sparc/t-sol2-64 from target-dependent Makefile fragments.
12899 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12900 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12901 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12902 * acconfig.h (AS_SPARC64_FLAG): Added.
12903 * configure, config.in: Rebuilt.
12904 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12905 support. Use AS_SPARC64_FLAG.
12907 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12909 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12910 suitable for holding OFmode values so that gcc works with complex
12912 (hard_64bit_mode_classes): Likewise.
12914 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12915 so that it is actually matched.
12916 (sethi_di_medlow): Likewise.
12918 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12919 as legitimate constant if -mvis.
12920 * config/sparc/sparc.md (movtf): Likewise.
12921 (clear_sf): Use const_double_operand.
12922 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12924 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12925 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12926 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12927 routines, _Qp_* cannot be handled like that now.
12928 (INIT_TARGET_OPTABS): Likewise.
12929 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12930 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12931 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12932 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12933 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12934 divtf3, sqrttf3): New expanders.
12935 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12936 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12937 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12940 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12941 * configure: Rebuilt.
12942 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12943 -mcpu is given and we're doing 64bit compiles.
12945 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12947 * loop.h (struct induction): Add multi_insn_incr.
12948 * loop.c (basic_induction_var): New multi_insn_incr argument.
12949 Set it if we search back through previous insns for the biv.
12950 (record_biv): New multi_insn_incr argument; fill in struct induction.
12951 (strength_reduce): Discard an iv with multiple bivs, any of
12952 which require multiple insns to increment.
12954 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12956 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12959 1999-12-06 David S. Miller <davem@redhat.com>
12961 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12962 PROMOTE_FUNCTION_RETURN.
12964 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12966 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12967 and handle REG_UNUSED note on insn.
12969 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12970 inner_mask instead of mask.
12972 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12974 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12975 zero if there was an error.
12977 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12979 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12982 * longlong.h: Fix clobbers in SPARC asm statements.
12984 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12985 valid sethi operations when TARGET_ARCH64.
12987 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12988 always use move_by_pieces to avoid infinite recursion.
12989 (restore_fixed_argument_area): Likewise.
12991 * combine.c (check_promoted_subreg, record_promoted_value): New
12993 (combine_instructions): Use them to retain nonzero and sign bit
12994 information after SUBREGs are eliminated by optimizations in
12995 this pass if PROMOTE_FUNCTION_RETURN.
12997 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12998 .register declaration. Don't use variables with __ prefixes.
13000 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13002 * fold-const.c (optimize_bit_field_compare): Only use one mode
13003 for both RHS and LHS in non-constant case.
13005 1999-12-06 Nathan Sidwell <nathan@acm.org>
13007 * frame.c (start_fde_sort): Only allocate erratic array, if
13008 linear one was allocated. Return allocated flag.
13009 (fde_insert): Only insert, if there's a valid array.
13010 (fde_end_sort): Split, sort and merge if linear and erratic
13011 arrays exist, else just sort linear one.
13012 (search_fdes): New function. Linear search through original fde
13014 (frame_init): Permit multiple initializations. Cope with
13016 (find_fde): Fallback on linear search, if failed to sort array.
13017 (__deregister_frame_info): Only free sorted array, if we
13020 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13022 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13024 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13026 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13028 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13030 * tree.h (special_function_p): Declare.
13031 * calls.c (special_function_p): Make it global. Don't take `name'
13032 as a parameter. Fix typo in 1999-11-28 change.
13033 (expand_cal): Adjust.
13035 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13037 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13038 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13039 EXPR_WFL_FILENAME_NODE.
13040 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13042 * print-tree.c (print_note): Print TREE_PRIVATE and
13045 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13046 the original die cannot be found.
13048 * varray.h (varray_head_tag): Add elements_used.
13049 (VARRAY_PUSH): New macro.
13050 (VARRAY_POP): Likewise.
13051 (VARRAY_TOP): Likewise.
13052 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13054 * varray.c (varray_init): Initialize elements_used.
13055 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13056 (INTEGRATE_H): New variable.
13057 (integrate.o): Depend on INTEGRATE_H.
13058 (unroll.o): Likewise.
13060 * function.h (insert_block_after_note): Declare.
13061 * function.c (insert_block_after_note): Split out from ...
13062 (retrofit_block): ... here.
13064 * stmt.c (expand_fixup): Fix typo in comment.
13066 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13068 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13069 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13070 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13071 (regmove_optimize, fixup_match_1): Likewise.
13073 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13075 * flow.c (flow_loops_dump): Add missing argument when calling
13076 flow_loop_nested_p.
13078 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13079 Greg McGary <gkm@gnu.org>
13081 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13082 (init_attributes): Add A_NO_LIMIT_STACK.
13083 (decl_attributes): Handle A_NO_LIMIT_STACK.
13084 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13085 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13086 Handle stack bounds checking.
13087 * flags.h (flag_stack_check): Use the word 'probe' rather than
13088 'check', because the flag doesn't actually cause any checking to
13090 * function.c (expand_function_start): Set
13091 current_function_limit_stack.
13092 * function.h (struct function): Add limit_stack.
13093 (current_function_limit_stack): Define.
13094 * invoke.texi (Code Gen Options): Document new options.
13095 * rtl.h: Declare stack_limit_rtx.
13096 * toplev.c (stack_limit_rtx): New variable.
13097 (decode_f_option): Handle new options -fstack-limit-register=REG,
13098 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13099 (main): Add stack_limit_rtx as GC root.
13100 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13101 (struct tree_decl): New member no_limit_stack.
13103 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13105 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13106 (conditional_trap+1): Get new mnemonic correct.
13107 (conditional_trap+2): New pattern for DImode traps.
13109 * config/m68k/m68k.c (output_function_prologue): Handle
13111 * config/m68k/m68k.md (trap): New insn.
13112 (conditional_trap): New insn.
13113 * md.texi (Standard Names): Document `trap' and
13114 `conditional_trap'.
13115 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13116 so a cc0 setter doesn't get emitted at some random place in the
13119 * config/i960/i960.md (trap): New insn.
13120 (conditional_trap): New expander.
13121 (conditional_trap+1, conditional_trap+2): New insns for signed
13122 and unsigned cases.
13123 * config/i960/i960.c (i960_function_prologue): Use
13124 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13126 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13127 Geoffrey Keating <geoffk@cygnus.com>
13129 * flags.h (warn_padded, warn_packed): Add global var decls.
13130 * toplev.c (warn_padded, warn_packed): Add global var defns.
13131 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13132 * stor-layout.c (layout_record): Add local variable `type'
13133 to hold often-used TREE_TYPE (field). Add local variable
13134 `unpacked_align' to hold alignment that would be in force
13135 if no `packed' attribute were present. Warn if `packed' attribute
13136 is unnecessary, or even harmful. Warn when gcc inserts padding
13137 to satisfy alignment requirements of members. Use NULL_TREE
13138 when checking whether var_size is set.
13139 * invoke.texi: Document new flags.
13141 1999-12-03 Nathan Sidwell <nathan@acm.org>
13143 * frame.c (fde_split): Reimplement to avoid variable sized array.
13145 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13147 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13148 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13150 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13152 * invoke.texi: Document the mips option -mno-crt0
13154 1999-12-02 Mike Karr <mkarr@mathworks.com>
13156 * cccp.c (argdata): Added free_ptr member.
13157 (macroexpand): Initialize free_ptr of each argument. When an
13158 argument's buffers are freed, if the argument's free_ptr corresponds
13159 to a buffer on the input stack, then return the free_ptr to that stack
13160 frame, otherwise, free it.
13161 (macarg): If an argument begins and ends on the same input stack level,
13162 then transfer the free_ptr of that buffer to the argument in case
13163 the stack is popped during the processing of a subsequent argument.
13165 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13167 * loop.c (note_reg_stored): New function.
13168 (struct note_reg_stored_arg): New structure.
13169 (try_copy_prop): Change to be more conservative; only replace within
13170 one extended basic block and stop replacing if a store to the
13171 replacement reg is seen.
13173 1999-12-02 Nick Clifton <nickc@cygnus.com>
13175 * config/fp-bit.c: Initialise all fields of the NAN
13178 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13181 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13183 * i386.md (extend?f?f2): Force the input into a register, not
13186 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13188 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13190 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13191 alternative because setting up 64bit constant is usually costly,
13192 especially when reload is in progress or completed.
13193 (movdf_const_intreg_sp64): Likewise.
13194 (movdf_const_intreg split): Fix building up constants when
13195 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13197 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13199 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13200 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13203 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13204 (asm_file_start): Emit .am33 into assembly file when compiling for
13206 (print_operand_address): Handle POST_INC addresses.
13207 (can_use_return_insn, initial_offset): Check AM33 registers too.
13208 (expand_prologue): Check & save AM33 registers too.
13209 (expand_epilogue): Similarly.
13210 (secondary_reload_class): Handle AM33 specific secondary reloads.
13211 (output_tst): Emit efficient code for the AM33 too.
13212 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13213 (TARGET_SWITCHES): Add -mam33 switch.
13214 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13215 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13216 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13217 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13218 (enum reg_class, REG_CLASS_NAMES): Likewise.
13219 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13220 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13221 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13222 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13223 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13224 (HAVE_POST_INCREMENT): Define.
13225 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13226 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13227 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13228 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13229 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13230 (zero_extend to SI from QI/HI): Likewise.
13231 (sign_extend to SI from QI/HI): Likewise.
13232 (mulsidi3, umulsidi3): New patterns for the AM33.
13233 (tstsi with zero extension from QI/HI): Add AM33 variants.
13234 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13235 (return_internal_regs, store_movm): Handle new AM33 registers.
13236 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13237 (LIBGCC, INSTALL_LIBGCC): Likewise.
13238 * invoke.texi: Document new flags.
13240 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13242 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13243 (addsi3_carry): Likewise.
13244 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13245 (sbbsi3_carry): Likewise.
13246 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13247 (mulhi3): Likewise.
13248 (test?i_1): Ensure that only one operand is memory.
13249 (conditional move patterns): likewise.
13250 (shift and rotate patterns): Rewrite to expander, add
13251 "binary_operator_ok" to the condition.
13253 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13254 * i386.h (procesor_costs): Add movzbl_load field.
13255 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13256 non-Q registers, accept DImode registers anywhere.
13258 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13259 * i386.c (*_cost): Set value for movxbl_load field.
13261 * (addsi): New add to lea splitter.
13262 (ashlsi): Likewise.
13263 (lea to add/shift peep2): New.
13265 1999-12-01 Mark Salter <msalter@cygnus.com>
13267 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13268 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13269 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13271 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13273 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13274 * i386.md (movsi_xor): New.
13276 (movsi_1, movhi_1, movqi_1): Remove.
13277 (movsi_2): Rename to movsi_1.
13278 (movhi_2): Rename to movhi_1.
13279 (movqi_2): Rename to movqi_1.
13280 (movdi_1): Remove; remove splitter.
13281 (movdi_2): Rename to movdi_1.
13282 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13283 (long move peep2): Do not create QI or HI mode mov0s
13284 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13286 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13289 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13290 (abs?f2_if): Likewise.
13292 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13294 * ggc.h (ggc_test_and_set_mark): New macro.
13295 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13296 (ggc_mark_tree): Likewise.
13297 (ggc_mark_rtvec): Likewise.
13298 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13300 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13302 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13304 (decl_scope_table): Just an array of trees now.
13305 (push_decl_scope): Simplify.
13306 (dwarf2out_init): Adjust.
13307 (local_scope_p): New fn.
13308 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13309 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13310 (gen_typedef_die): Likewise.
13311 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13312 (gen_inlined_subroutine_die): Likewise.
13313 (gen_abstract_function): Set current_function_decl temporarily.
13314 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13315 Handle block extern declarations. Don't call push/pop_decl_scope.
13316 (gen_decl_die): Fix logic for block externs.
13318 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13320 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13321 to the list of functions which have attribute malloc by default.
13323 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13325 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13326 integer constant does not match the traditional type, limit the
13327 warnings to cases where the base of the type is ten.
13329 * invoke.texi (-Wtraditional): Document it.
13331 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13333 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13334 * rs6000.md: Only access a CONST_INT with INTVAL
13336 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13338 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13339 (compute_nearerout): Likewise.
13340 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13341 size_t to unsigned long for formatting.
13343 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13345 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13346 Allow the user to override call-used/fixed state of %g2-5
13347 registers from the command line (with the exception of %g4 for
13349 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13350 there is a higher chance of having a leaf function.
13351 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13352 for ARCH64 which has %ccr register.
13353 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13355 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13356 insn accept into delay slot any insn which does not use %[ol]
13357 registers. Accept some LO_SUM and shift left by 1 for the normal
13359 (output_function_epilogue): Likewise.
13360 (epilogue_renumber): Added argument which inhibits any renumbering
13361 and just tests if the rtx does not use any %[ol] registers.
13362 (output_return): Reflect above change.
13364 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13366 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13367 aggregate passing for sizes <= 16 bytes.
13369 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13371 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13372 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13373 * reload.c (find_dummy_reload): Likewise.
13374 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13375 * reload1.c (reload_as_needed): Likewise.
13376 * stupid.c (stupid_find_reg): Likewise.
13377 * tm.texi (Obsolete Register Macros): Delete section.
13378 * gmicro.h: Remove all traces of the two macros.
13379 * i386.h: Likewise.
13380 * m88k.h: Likewise.
13381 * mips.h: Likewise.
13383 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13385 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13386 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13387 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13388 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13389 units for the sparclite86x chip.
13390 (flush): Revert October 14th change; add SImode specifically.
13391 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13392 * invoke.texi: Document it.
13394 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13396 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13397 psimode_truncation_operand.
13399 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13400 function. Return true if the operand is either a MEM valid
13401 for a PSImode address or not a MEM at all.
13403 * config/mn10200/mn10200.md (truncsipsi2): Use
13404 psimode_truncation_operand.
13406 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13408 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13409 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13410 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13411 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13412 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13413 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13414 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13415 * basic-block.h: Protect from multiple inclusion.
13416 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13417 (struct loops, struct loop): Define structures.
13418 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13419 * sbitmap.h: Protect from multiple inclusion.
13420 (sbitmap_a_subset_b_p): Add prototype.
13421 * Makefile.in (LOOP_H): New macro.
13422 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13424 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13426 * cppinit.c (CAT): The argument list of this macro may not contain
13429 1999-11-29 David S. Miller <davem@redhat.com>
13431 Move quantity tables and register equivalence chains into
13432 per-qty and per-register structure arrays respectively.
13433 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13434 qty_const_insn, qty_comparison_code, qty_comparison_const,
13435 qty_comparison_qty): Delete, replace with...
13436 (qty_table): this structure table.
13437 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13438 (reg_eqv_table): this structure table.
13439 (make_new_qty): Add argument MODE. Caller updated.
13440 Update to use qty_table and reg_eqv_table.
13441 (make_regs_eqv, delete_reg_equiv, insert_regs,
13442 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13443 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13444 cse_process_notes, cse_main, cse_basic_block): Likewise.
13446 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13448 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13449 operation if C is negative.
13450 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13451 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13452 law for some divisions if constant is negative and change other
13453 divisions to the opposite rounding.
13455 * expr.c (store_constructor_field): If bit position is not multiple
13456 of alignment of TARGET's mode, use BLKmode.
13458 * expr.c (expand_expr_unaligned): Add more code from full case
13459 that is needed when OP0 is in a register.
13461 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13463 * dwarfout.c (field_byte_offset): Size can be zero if there was
13466 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13468 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13469 (associate_trees): Delete unused var TEM.
13470 (extract_muldiv): Delete unused var CANCEL_P.
13472 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13473 (target_isinf, target_isnan, target_negative): Add return types to
13474 function definitions.
13476 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13478 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13479 * fixinc/hackshell.tpl: ditto
13480 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13481 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13483 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13485 * reload.c (push_reload): When looking for a register to put into
13486 reg_rtx, make sure all hard regs in a multi-reg register are in the
13487 right class and nonfixed.
13489 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13490 pending_read_insns, pending_write_insns, pending_read_mems,
13491 pending_write_mems, pending_list_length, last_pending_memory_flush,
13492 last_function_call, sched_before_next_call): Move static variables
13494 (bb_ prefixed versions): Replace with single array bb_deps.
13495 (struct deps): New structure.
13496 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13497 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13498 argument of type "struct deps *"; use that instead of global
13499 variables. All callers changed.
13500 (init_rgn_data_dependencies): Delete function.
13501 (init_rtx_vector): Delete function.
13502 (init_deps): New function.
13504 (free_pending_lists): Simplify, we always use the bb_deps array even
13505 if only one basic block.
13506 (compute_block_backward_dependences): Likewise.
13507 (schedule_region): Likewise.
13509 (propagate_deps): New function, broken out of
13510 compute_block_backward_dependences.
13511 (compute_block_backward_dependences): Use it.
13513 * alpha.md: Delete useless patterns that tried to work around
13514 register elimination problems.
13516 * unroll.c (loop_iterations): Don't abort if iteration variable
13519 From Joern Rennecke:
13520 * reload1.c (reloads_conflict): Reverse test comparing operand
13521 numbers when testing for conflict between output/outaddr reloads.
13523 1999-11-29 David S. Miller <davem@redhat.com>
13525 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13527 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13529 1999-11-28 Robert Lipe <robertl@cygnus.com>
13531 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13532 table from .fini into .dtor.
13534 1999-11-28 Anthony Green <green@cygnus.com>
13536 * tree.h (struct tree_decl): Add malloc_flag.
13537 (DECL_IS_MALLOC): Define.
13538 * c-common.c (attrs): Add A_MALLOC attribute.
13539 (init_attributes): Add this attribute to the table.
13540 (decl_attributes): Handle malloc attribute.
13541 * calls.c (special_function_p): Check for the malloc attribute.
13542 * extend.texi (Function Attributes): Document malloc attribute.
13544 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13546 * pa.md (reload shift-add patterns): Remove.
13548 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13550 * reorg.c (dbr_schedule) Print more statistics. Corrected
13551 problem when printing info when 3 delay slots are filled.
13553 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13555 * combine.c (setup_incoming_promotions): Pass an outgoing
13556 regno to FUNCTION_ARG_REGNO_P which it expects.
13558 1999-11-28 Andreas Jaeger <aj@suse.de>
13560 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13562 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13564 * cccp.c (do_include): Avoid initialization of automatic variable.
13566 * integrate.c (mark_stores): Function definition made void, to match
13567 previous declaration.
13568 * regclass.c (dump_regclass): Ditto.
13569 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13571 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13573 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13574 known to be multiple of divisor.
13576 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13578 * combine.c (try_combine): Add code to try to merge a set of a
13579 two-word pseudo to a constant with a setting of one of those words
13582 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13583 (split_tree): Completely rework to make more general.
13584 (make_range, fold): Call negate_expr.
13585 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13586 (fold, associate): Call new split_tree and associate_trees.
13587 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13589 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13591 * loop.c (try_copy_prop): Avoid GNU C extension.
13593 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13595 * except.c (init_eh_for_function): Still zero eh_return_context,
13596 eh_return_stack_adjust, and eh_return_handler.
13598 * except.h (eh_status): Adjust documentation for x_protect_list.
13599 (begin_protect_partials): New function.
13600 * except.c (enqueue_eh_entry): Fix formatting.
13601 (get_first_handler): Add consistency check.
13602 (add_partial_entry): Adjust usage of protect_list.
13603 (emit_cleanup_handler): Save and restore ehqueue.
13604 (expand_start_all_catch): Add comment.
13605 (begin_protect_partials): New function.
13606 (end_protect_partials): Adjust usage of protect_list.
13607 (init_eh_for_function): Use xcalloc.
13609 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * c-common.c (check_format_info): Don't call a variadic function
13612 with a non-literal format string.
13614 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13616 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13617 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13620 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13623 * collect2.c (collect_wait): Likewise.
13625 * dbxout.c (dbxout_type): Likewise.
13627 * gcc.c (do_spec_1): Likewise.
13629 * genemit.c (gen_insn, gen_expand): Likewise.
13631 * genrecog.c (write_switch, write_subroutine): Likewise.
13633 * mips-tfile.c (catch_signal, botch): Likewise.
13635 * print-rtl.c (print_rtx): Likewise.
13637 * toplev.c (default_print_error_function, report_error_function,
13638 _fatal_insn): Likewise.
13640 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13642 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13644 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13646 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13647 operations when needed.
13648 * i386.md (fop_?f_comm): New.
13649 (fop_?f_1): Do not accept commutative operands.
13651 1999-11-25 Andreas Jaeger <aj@suse.de>
13653 * config/mips/mips.md (casesi_internal): Add missing brace.
13655 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13657 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13658 (splice_child_die): Handle moving a child DIE from the declaration
13659 DIE of a class to its specification.
13660 (gen_struct_or_union_type_die): Use 'complete' consistently.
13661 (gen_decl_die): Generate the virtual context DIE first.
13662 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13664 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13666 * config/mips/mips.md (call_value_multiple_interanal1): New.
13668 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13670 * dwarf2out.c (free_AT, free_die): New fns.
13671 (remove_children): Call them.
13672 (output_line_info): Disable removal of duplicate notes.
13674 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13675 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13676 means pretend the type isn't defined.
13677 Don't defer emitting types.
13678 (gen_type_die_for_member): New fn.
13679 (gen_decl_die): Call it.
13680 (splice_child_die): New fn.
13681 (gen_member_die): Call it rather than generate duplicate dies.
13683 Defer emitting information for the abstract instance of an inline
13684 until we either inline it or emit an out-of-line copy.
13685 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13686 from output_inline_function if DECL_ABSTRACT is also set.
13687 (block_ultimate_origin): Likewise.
13688 (gen_abstract_function): New fn.
13689 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13690 (gen_subprogram_die): An abstract instance is not a declaration
13691 just because it doesn't match current_function_decl. Don't abort
13692 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13693 has an abstract origin.
13694 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13695 abstract instance here.
13697 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13699 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13700 where we need to reload fpul from a system register.
13702 1999-11-24 Andreas Jaeger <aj@suse.de>
13704 * config/mips/linux.h (CPP_PREDEFINES): Added.
13705 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13707 1999-11-24 Andreas Jaeger <aj@suse.de>
13709 * config/mips/linux.h (TARGET_VERSION): Added.
13710 (HANDLE_SYSV_PRAGMA): Added.
13711 (DEFAULT_VTABLE_THUNKS): Added.
13713 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13715 * local-alloc.c (qty): New structure and static variable.
13716 (qty_phys_reg): Remove, all references changed to qty.
13717 (qty_n_refs): Likewise.
13718 (qty_min_class): Likewise.
13719 (qty_birth): Likewise.
13720 (qty_death): Likewise.
13721 (qty_size): Likewise.
13722 (qty_mode): Likewise.
13723 (qty_n_calls_crossed): Likewise.
13724 (qty_alternate_class): Likewise.
13725 (qty_changes_size): Likewise.
13726 (qty_first_reg): Likewise.
13727 (alloc_qty): Rename variable QTY to QTYNO.
13728 (finf_free_reg): Likewise.
13729 (local_alloc): Allocate qty, do not allocate the removed variables.
13731 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13733 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13734 when -membedded-pic is passed.
13736 * config/mips/mips.md (casesi): Handle 64-bit case too.
13737 (casesi_internal_di): New insn.
13739 * config/mips/mips.c (embedded_pic_offset): Always make the
13740 embedded-pic subtractions relative to the name of the current
13741 function by use of the magic string "..CURRENT_FUNCTION".
13742 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13744 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13746 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13747 of (const_int 0), when what we really care about is
13748 whether it's a zero constant anyway.
13749 (div_trap_mips16): Likewise.
13751 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13753 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13754 unroll_block_trees when generating debuggable code.
13756 * tree.h (unsave_expr_1): New function.
13757 (lang_unsave): New variable.
13758 (get_callee_fndecl): New function.
13759 * tree.c (unsave_expr_now_r): New function.
13760 (lang_unsave): Define.
13761 (unsave_expr_1): Likewise.
13762 (unsave_expr_now_r): Split out from unsave_expr_now.
13763 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13764 call unsave_expr_now_r.
13765 (get_callee_fndecl): Define.
13767 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13768 (gencheck.o): Do depend on lang_tree_files.
13770 * integrate.h (copy_decl_for_inlining): New declaration.
13771 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13772 (copy_decl_for_inlining): New function.
13773 (integrate_parm_decls): Use it.
13774 (integrate_decl_tree): Likewise.
13776 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13778 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13779 the second two from the first.
13780 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13781 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13782 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13784 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13785 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13788 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13790 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13791 needed on the address operand.
13792 * pa.c (call_operand_address): Check for the correct mode.
13794 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13796 * loop.c: Include "basic-block.h".
13797 (try_copy_prop, replace_loop_reg): New functions.
13798 (load_mems): Detect registers that just hold copies of the hoisted
13799 mem, and call try_copy_prop to eliminate them.
13800 * Makefile.in (loop.o): Update dependencies.
13802 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13804 * Makefile.in (gencheck.o): Depend on gencheck.h.
13805 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13806 (insn-peep.o): Depend on except.h and function.h.
13807 (insn-attrtab.o): Depend on RECOG_H.
13808 (insn-output.o): Depend on toplev.h and flags.h.
13809 (gengenrtl.o): Depend on real.h.
13810 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13811 Unify all dependencies to be on RECOG_H rather than recog.h.
13813 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13815 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13816 * configure.in: Try building a bi-arch 32/64-bit compiler on
13817 sparc-*-solaris2.7 and higher.
13818 * configure: Rebuild.
13820 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13822 * config/freebsd.h: New, FreeBSD architecture independent file.
13823 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13824 independent pieces.
13825 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13826 directly by i386/freebsd.h.
13827 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13828 independent configuration file.
13829 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13830 directly by i386/freebsd.h.
13831 * configure: Rebuilt.
13833 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13834 which is in the user's namespace.
13835 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13836 `i386' which is not in our namespace.
13838 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13840 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13842 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13844 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13845 (add_dwarf_attr, add_child_die): Just push onto the front.
13846 (reverse_die_lists): New fn.
13847 (add_sibling_attributes): Use it.
13848 (push_decl_scope): Reorganize.
13849 (add_name_and_src_coords_attributes): Don't set file and line for
13850 an artificial decl.
13851 (gen_subprogram_die): An artificial function doesn't need to match
13853 (gen_compile_unit_die): Return the generated die. Only add
13854 AT_comp_dir if the filename is relative.
13855 (remove_AT): Simplify loop. Also free string values.
13856 (output_die): A DIE ref can't be null.
13857 (output_value_format, value_format): Take a dw_attr_ref.
13858 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13859 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13860 AT_addr, AT_lbl): New fns.
13861 (various): Use them.
13862 (various): Constify.
13864 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13866 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13867 take SUBREG_WORD into account.
13868 (if_then_else_cond): Likewise.
13870 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13872 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13873 clause from BSD license, pursuant with
13875 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13877 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13879 * loop.c (load_mems): Reformat slightly.
13880 * basic-block.h (regset_head): New typedef.
13881 (INIT_REG_SET): New macro.
13883 1999-11-22 Bruce Korb <autogen@linuxbox.com
13885 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13886 (mips-dec-bsd*): non-functional code
13887 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13889 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13890 added three replacement fixes
13891 (no_double_slash): removed comments that are not (any longer) pertinent
13892 (bad_lval): this fix currently runs against many files.
13893 The comment seems to indicate that we should select for files
13894 containing 'pragma extern_prefix'.
13896 * fixinc/fixinc.x86-linux-gnu: deleted
13897 * fixinc/inclhack.sh: regen
13898 * fixinc/fixincl.x: regen
13899 * fixinc/fixincl.sh: regen
13901 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13903 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13904 its code is INSN and it has no notes.
13906 1999-11-22 Andrew Haley <aph@cygnus.com>
13908 * varasm.c (function_defined): Remove.
13909 (make_function_rtl): Don't set function_defined.
13910 (make_decl_rtl): Remove global register warning.
13911 * regclass.c (no_global_reg_vars): New variable.
13912 (globalize_reg): Warn if function has already been defined.
13913 (regclass_init): Set no_global_reg_vars.
13915 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13917 * regclass.c (reg_pref): New structure and static variable
13918 (prefclass): Delete.
13919 (altclass): Delete.
13920 (all uses of prefclass and altclass): Use reg_pref instead.
13922 1999-11-21 Nick Clifton <nickc@cygnus.com>
13924 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13926 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13927 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13928 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13930 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13932 * varasm.c (output_constructor): Solve problem with long long
13933 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13935 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13937 * global.c (allocno): New structure and static variable.
13938 (allocno_reg): Remove, all references replaced by allocno.
13939 (allocno_size): Likewise.
13940 (hard_reg_conflicts): Likewise.
13941 (hard_reg_preferences): Likewise.
13942 (hard_reg_copy_preferences): Likewise.
13943 (hard_reg_full_preferences): Likewise.
13944 (regs_someone_prefers): Likewise.
13945 (allocno_calls_crossed): Likewise.
13946 (allocno_n_refs): Likewise.
13947 (allocno_live_length): Likewise.
13948 (find_reg): Rename ALLOCNO to NUM.
13950 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13951 references updated.
13952 (may_move_out_cost): New variable.
13953 (init_reg_sets_1): Initialize may_move_out_cost.
13954 (record_reg_classes): Use may_move_out_cost.
13956 * regclass.c (dump_regclass): New function.
13957 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13958 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13959 pass rtl_dump_file to regclass.
13960 * rtl.h (regclass): Update prototype.
13962 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13964 * i386.md (neg, not and abs patterns): Revmap to use
13965 ix86_expand_unary_operator and ix86_unary_operator_ok.
13966 (add?f and sub?f expanders): Force operand 1 to register.
13967 * i386.c (ix86_expand_unary_operator): Rewrite.
13968 (ix86_unary_operator_ok): Ensure that memory operands
13970 (ix86_binary_operator_ok): Do not allow operand 1 to
13971 come into memory and operand 0 not.
13972 (ix86_expand_binary_operator): Ensure that
13973 src1 is not non-matching memory.
13975 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13976 to support integer registers and memory.
13977 (abss?2_integer): Likewise.
13979 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13980 (REG_CLASS_NAMES): Likewise.
13981 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13983 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13984 (movsf): Likewise; unify 4th and 5th alternative.
13985 (pushdf): Likewise.
13986 (movdf_1): Likewise; rename to movdf_integer.
13987 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13988 remove redundant splitter.
13989 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13990 (movdf_nointeger): New.
13991 (movxf_nointeger): New.
13992 (pushxf_nointeger): New.
13994 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13995 memory operands in patterns.
13996 (fop*): Refuse two memory operands.
13998 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13999 on !TARGET_USE_CLTD CPUs.
14001 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14003 * extend.texi: Document C++ restricted pointers and references.
14005 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14007 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14008 (invalidate_skipped_set): Call it unconditionally.
14009 (cse_set_around_loop): Likewise.
14011 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14013 * rtl.texi (mem): Add documentation for alias-set argument
14016 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14018 * i386.h (struct_processor_costs): New fields int_load, int_store,
14019 fp_move, fp_load and fp_store
14020 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14022 (MEMORY_MOVE_COST): New macro.
14023 * i386.c (386_cost): Define new fields.
14024 (i486_cost): Likewise.
14025 (pentium_cost): Likewise.
14026 (pentiumpro_cost): Likewise.
14027 (k6_cost): Likewise.
14029 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14030 Geoffrey Keating <geoffk@cygnus.com>
14032 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14034 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14037 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14038 (TARGET_STRICT_ALIGNMENT): New macro.
14039 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14040 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14041 * invoke.texi (M680x0 Options): Document -mstrict-align.
14043 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14044 Richard Henderson <rth@cygnus.com>
14046 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14047 (ix86_split_long_move): Declare.
14048 * i386.c (split_xf, ix86_split_movdi): Remove.
14049 (ix86_split_to_parts, ix86_split_long_move): New.
14050 * i386.md (dimode move splitters): Use ix86_split_long_move.
14051 (dfmode move splitters): Likewise.
14052 (xfmode move splitters): Likewise.
14053 (movsf_1): Allow F->r.
14054 (movdf_1, movxf_1): Allow F->ro.
14056 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14058 * except.h (struct eh_entry): Add goto_entry_p.
14059 (eh_region_from_symbol): Remove prototype.
14060 * except.c (find_func_region_from_symbol): New function.
14061 (emit_cleanup_handler): Likewise.
14062 (eh_region_from_symbol): Make it static.
14063 (add_new_handler): Verify the argument.
14064 (find_func_region): Update comment.
14065 (expand_eh_region_end): Expand handlers here, rater than waiting
14066 until expand_leftover_cleanups or start_all_catch.
14067 (expand_leftover_cleanups): Don't expand here.
14068 (expand_start_all_catch): Or here.
14069 (expand_rethrow): Check the return value from find_func_region.
14070 * function.c (expand_function_end): Emit the catch_clauses.
14072 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14074 * integrate.c (expand_inline_function): Add necessary check for NULL.
14076 1999-11-18 Nick Clifton <nickc@cygnus.com>
14078 * toplev.c (main): Correctly detect an unrecognised option.
14080 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14081 a -f option if it has not been recognised.
14083 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14085 * basic-block.h (update_life_extent): Remove trailing comma on
14086 enumeration type list.
14088 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14090 * varasm.c (output_constructor) Solved problem with long long
14091 bitfields. Corrected calculating this_time and shift. Also
14092 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14094 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14096 * flow.c (split_edge): Take looping structure into account when
14097 determining where to put the new block note.
14099 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14101 * Makefile.in (ggc-none.o): Provide host specific version if
14104 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14106 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14107 containing subregs too.
14109 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14111 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14112 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14113 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14114 (text_section): Add switches -munint-const-in-rodata and
14115 -mno-uninit-const-in-rodata.
14116 (ASM_OUTPUT_COMMON): Remove.
14117 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14118 const objects should be placed in read-only data. Otherwise declare
14121 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14123 * jump.c (jump_optimize_1): Revert last change.
14125 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14127 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14128 test if optimizing for size.
14130 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14132 * Makefile.in (toplev.o): Depend on except.h.
14133 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14135 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14137 * i386.md (divmodsi4): Rewrite to expander.
14138 (*divmodsi4_nocltd): New.
14139 (*divmodsi4_cltd): New.
14140 (divmodsi4 splitter): Handle the case when input comes in edx.
14141 (udivmodhi4): Do not use constraints in exander.
14142 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14144 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14146 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14147 for the common case.
14149 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14151 * explow.c (hard_function_value): Add outgoing argument.
14152 * expr.h (hard_function_value): Declare it.
14153 * calls.c (expand_call, emit_library_call_value): Update callers.
14154 * function.c (aggregate_value_p): Ditto.
14155 (diddle_return_value): Must look at the outgoing registers
14156 on archs with register windows.
14158 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14160 * alpha.c (alpha_build_va_list): Use make_lang_type and
14161 initialize TYPE_NAME for the va_list record.
14163 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14165 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14167 * ggc.h (struct ggc_statistics): Rearrange elements for better
14168 packing on 64-bit hosts.
14169 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14170 (compute_nearerout): Likewise.
14172 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14174 * config/rs6000/rs6000.c (first_reg_to_save): Save
14175 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14177 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14179 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14180 notion of nesting to find the DIE for a type or function.
14181 DIEs can go in limbo even if we got a context_die.
14182 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14183 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14185 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14186 (gen_type_die): Writing out the context doesn't cause member class
14187 template instantiations to be written out as well.
14189 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14191 * rs6000.h (ASM_OUTPUT_DEF): New.
14192 Based on proposed addition from David Edelsohn.
14194 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14195 Bruce Korb <autogen@linuxbox.com>
14197 * fixinc/inclhack.def
14198 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14199 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14201 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14202 (svr4_endian): enabled with SVR5
14203 (svr4_mkdev): simplified syntax and enabled with SVR5
14205 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14207 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14208 * configure: Rebuilt.
14209 * config/t-freebsd-thread: New file.
14211 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14213 * i386.c (ix86_decompose_address): Verify the base is a REG
14214 before trying to examine its register number.
14216 * basic-block.h: Remove all #defines and prototypes related to
14218 (free_bb_mem, compute_preds_succs): Remove prototype.
14219 * rtl.h (free_bb_mem): Remove prototype.
14220 * flow.c (alloc_int_list_node); Remove function.
14221 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14222 (compute_preds_succs, free_bb_mem): Likewise.
14223 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14224 * toplev.c (rest_of_compilation): Likewise.
14225 * haifa-sched.c (build_control_flow): Use flow generated edge
14226 list to build the haifa specific edge list.
14227 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14228 (schedule_insns): Do not build pred/succ lists anymore. Instead
14229 build the edge table.
14231 * basic-block.h (dump_bb_data): Remove declaration.
14232 * flow.c (dump_bb_data): Remove function.
14233 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14234 (sbitmap_union_of_predsucc): Likewise.
14236 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14237 argument. All callers changed.
14238 (delete_null_pointer_checks_1): No longer need to compute the
14241 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14242 All callers changed.
14243 (pre_expr_reaches_here_p_work): Likewise.
14244 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14245 * lcm.c (compute_laterin): Fix initialization of LATER.
14246 (compute_nearerout): Similarly for NEARER.
14248 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14250 * cse.c (set_nonvarying_address_components): Delete unused function.
14251 (refers_to_p): Likewise.
14253 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14255 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14258 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14260 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14261 definition in do while (0).
14263 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14265 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14267 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14269 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14271 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14273 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14274 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14275 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14276 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14278 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14279 saved on the stack. Output more accurate stack frame statistics
14280 into assembler file.
14282 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14284 * genextract.c (record_insn_name): New function.
14285 (get_insn_name): No longer a stub.
14286 (main): Call record_insn_name for each insn. After each label
14287 written, print the insn name in a comment.
14289 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14291 * output.h (const_section, init_section, fini_section): Add
14294 * alpha/elf.h (const_section): Delete declaration.
14296 * svr4.h (const_section): Likewise.
14298 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14300 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14301 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14302 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14304 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14305 variable-sized array bounds.
14307 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14309 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14312 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14314 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14315 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14317 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14319 * cse.c (hash_arg_in_struct): Delete.
14320 (struct table_elt): Delete elt in_struct.
14321 (struct set): Delete elt src_in_struct.
14322 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14323 the corresponding in_struct elts.
14324 (canon_hash): Likewise.
14325 (safe_hash): Likewise.
14326 (find_best_addr): Likewise.
14327 (record_jump_cond): Likewise.
14328 (cse_insn): Likewise.
14330 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14332 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14334 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14337 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14339 * function.c (diddle_return_value): Put back check that the DECL_RTL
14340 for the function is a register.
14342 * function.c (diddle_return_value): Use hard_function_value to
14343 get an rtx suitable for use in the USE/CLOBBER insn.
14345 * global.c (global_conflicts): Update comments.
14346 (record_conflicts): No need to record conflicts between pseudos here.
14348 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14350 * fixinc/fixincl.c: Added verbose levels for status messages
14352 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14354 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14355 operand as argument to expand_and or expand_binop.
14357 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14359 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14360 gcc_add_string_root.
14362 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14364 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14366 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14368 * flow.c (compute_flow_dominators): Initially put all blocks on
14370 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14371 * gcse.c (compute_cprop_avinout): Remove.
14372 (compute_cprop_data): Use compute_available.
14373 (delete_null_pointer_checks_1): Use compute_available.
14375 * basic-block.h (compute_available): Returns a void now.
14376 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14377 to return a value anymore.
14378 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14379 worklists. Fix boundary cases. Compute maximal solutions.
14380 (compute_laterin, compute_nearerout): Similarly.
14382 * dwarf2out.c (add_AT_location_description): Allow
14383 (mem (plus (pseudo) (...)) too.
14385 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14387 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14389 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14390 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14392 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14394 * gansidecl.h: Likewise.
14400 * toplev.h: Likewise.
14402 * tree.c: Likewise.
14404 * tree.h: Likewise.
14406 * varray.c: Likewise.
14408 * varray.h: Likewise.
14410 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14412 * gcov.c (struct arcdata): Add hits and total, remove prob.
14413 (output_branch_counts): New.
14414 (process_args): Set output_branch_counts if -c.
14415 (calculate_branch_probs): Store hits and total instead of
14417 (output_data): Emit counts if output_branch_counts is true.
14418 * gcov.texi (Invoking Gcov): Document -c switch..
14420 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14422 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14423 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14425 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14427 * invoke.texi (C Dialect Options): Add missing builtins from
14428 c-common.c to list.
14429 * extend.texi (Other Builtins): Copy to this list.
14431 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14433 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14434 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14435 redundant bitmap.h.
14437 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14439 * flow.c (compute_flow_dominators): No longer treat basic block 0
14440 or (n_basic_blocks - 1) specially. Clear the AUX field before
14441 starting computation of doms/pdoms. Fix initial state for pdoms.
14443 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14445 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14446 match rtl.o's: added ggc.h and toplev.h
14447 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14448 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14449 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14451 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14453 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14454 from HAVE_DOS_BASED_FILESYSTEM.
14455 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14456 HAVE_DOS_BASED_FILESYSTEM.
14458 (split_directories): Only special-case DOS file names if
14459 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14460 instead of explicit tests. Conditionalize on !VMS.
14461 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14462 tests. Conditionalize on !VMS.
14463 (process_command): Only use make_relative_prefix if !VMS.
14464 (free_split_directories): Conditionalize on !VMS.
14465 (DIR_UP): Conditionalize on !VMS.
14467 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14469 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14471 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14473 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14476 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14478 * invoke.texi (Environment Variables): Document relative path
14480 * gcc.c (DIR_UP): If not defined, define as "..".
14481 (standard_bindir_prefix): New static, holds target location to
14483 (split_directories): New function to split a filename into
14484 component directories.
14485 (free_split_directories): New function, release memory allocated
14486 by split_directories.
14487 (make_relative_prefix): New function, make a relative pathname if
14488 the compiler is not in the expected location.
14489 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14490 can figure out an appropriate prefix from argv[0].
14491 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14492 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14493 STANDARD_BINDIR_PREFIX.
14495 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14497 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14499 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14500 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14501 c4x_secondary_memory_needed) Delete.
14502 (fp_zero_operand): Add mode argument.
14504 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14506 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14507 that is in reload_reg_used.
14509 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14511 * config/arm/arm-protos.h: New file: Prototypes for functions
14512 defined in arm.c and pe.c.
14513 * config/arm/arm.h: Fix compile time warnings.
14514 * config/arm/arm.c: Fix compile time warnings.
14515 * config/arm/pe.h: Fix compile time warnings.
14516 * config/arm/aout.h: Fix compile time warnings.
14518 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14520 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14523 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14524 Add support for subtargets.
14525 Add prototypes for new predicates.
14526 Add scheduling macros.
14528 * config/m32r/m32r.c: Fix compile time warnings.
14529 (int8_operand): New predicate function.
14530 (reg_or_cmp_int16_operand): New predicate function.
14531 (extend_operand): New predicate function.
14532 (m32r_adjust_code): New scheduling function.
14533 (m32r_adjust_priorty): New scheduling function.
14534 (m32r_sched_init): New scheduling function.
14535 (m32r_sched_reorder): New scheduling function.
14536 (m32r_sched_variable_issue): New scheduling function.
14537 (direct_return): New codegen function.
14538 (m32r_not_same_reg): New rtl testsing function.
14540 * config/m32r/m32r.md: Fix compile time warnings.
14541 Add support for pre decrement and post increment memory
14543 Add S<cc> patterns.
14546 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14548 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14549 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14550 (find_reg): Likewise.
14552 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14554 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14555 to avoid assembler errors.
14557 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14559 * config/v850/v850-protos.h: New file: Prototypes for functions
14561 * config/v850/v850.h: Move prototypes to v850-protos.h
14562 * config/v850/v850.c: Move prototypes to v850-protos.h
14563 * config/v850/v850.md: Fix compile time warnings.
14565 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14567 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14568 * config/fr30/fr30.c: Fix compile time warnings.
14569 * config/fr30/fr30.md: Fix compile time warnings.
14571 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14573 * tree.h (get_containing_scope): Declare it.
14574 * tree.c (get_containing_scope): New fucntion.
14575 (decl_function_context): Use it.
14576 * toplev.c (rest_of_compilation): Use get_containing_scope.
14578 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14580 * Makefile.in (rtl.o): Depend on toplev.h.
14582 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14584 * cse.c (delete_trivially_dead_insns): Replace alloca with
14586 * except.c (update_rethrow_references): Likewise.
14587 (init_eh_nesting_info): Likewise.
14588 * function.c (identify_blocks): Likewise.
14589 * gcse.c (dump_hash_table): Likewise.
14590 * graph.c (print_rtl_graph_with_bb): Likewise.
14591 * loop.c (combine_movables): Likewise.
14592 (move_movables): Likewise.
14593 (count_loop_regs_set): Likewise.
14594 (strength_reduce): Likewise.
14595 * profile.c (compute_branch_probabilities): New function, split
14597 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14598 * regclass.c (regclass): Likewise.
14599 * regmove.c (regmove_optimize): Likewise.
14600 * toplev.c (compile_file): Likewise.
14601 (main): Don't mess with the stack rlimit.
14603 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14605 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14606 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14608 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14610 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14612 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14614 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14615 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14618 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14620 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14622 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14624 * gcse.c (post_dominators): Kill.
14625 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14626 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14627 pass in a pdom array since we do not need pdoms.
14628 * haifa-sched.c (schedule_insns): Similarly.
14629 * flow.c (compute_dominators): Remove dead function.
14630 (compute_flow_dominators): Do not compute doms or pdoms if the
14631 caller does not request them. Split up loop to build doms and
14632 pdoms. Use a worklist to compute doms and pdoms.
14633 * basic-block.h (compute_dominators): Remove prototype.
14635 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14637 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14638 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14639 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14640 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14641 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14642 (schedule_region): Remove unused variable.
14643 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14645 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14647 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14648 (update_equiv_regs): Likewise.
14649 (block_alloc): Likewise.
14650 * reg-stack.c (reg_to_stack): Likewise.
14651 (convert_regs_2): Likewise.
14652 * reload1.c (reload_as_needed): Likewise.
14654 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14656 * Makefile.in (dbxout.o): Depend on ggc.h.
14657 (dwarf2out.o): Likewise.
14658 (xcoffout.o): Likewise.
14659 * dbxout.c: Include ggc.h.
14660 (dbxout_init): Register lastfile as a root.
14661 * dwarf2out.c: Include ggc.h.
14662 (dwarf2out_line): Register lastfile as a root.
14663 * xcoffout.c: Include ggc.h.
14664 (xcoffout_source_line): Register xcoff_lastfile as a root.
14666 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14668 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14670 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14672 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14674 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14676 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14678 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14679 (EXECUTE_IF_CONFLICT): Likewise.
14680 (ALLOCNO_LIVE_P): Avoid signed division.
14681 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14682 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14683 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14685 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14687 * haifa-sched.c (schedule_block): Don't crash if there's no
14688 next insn for an interblock movement.
14689 (add_branch_dependences): Don't allow clobber insns to move either.
14691 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14693 * i386.c (split_xf): New.
14694 * i386-protos.h: Declare it.
14695 * i386.md (movxf_1): Add general regs alternatives.
14696 (movxf_1+1): New splitter for same.
14698 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14700 * function.c (purge_addressof_1): Add missing return values.
14702 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14704 * function.c (is_addressof): New function. Returns true if
14705 the given piece of RTL is an ADDRESSOF.
14706 (purge_addressof_1): Make boolean. Return false if the
14707 ADDRESSOFs could not be purged.
14708 (purge_addressof): If ADDRESSOFs could not be purged from the
14709 notes attached to an insn, remove the offending note(s),
14710 unless they are attached to a libcall.
14712 1999-11-05 Andreas Jaeger <aj@suse.de>
14714 * genoutput.c (null_operand =): Initialize all fields.
14716 * errors.h: Add extern to prototypes.
14718 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14720 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14721 * configure: Rebuilt.
14723 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14725 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14726 (mirror_conflicts): New function.
14727 (global_alloc): Call it.
14728 (expand_preferences): Remove redundant CONFLICTP test.
14729 (find_reg, dump_conflicts): Likewise.
14730 (prune_preferences): Process conflicts one word at a time.
14732 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14734 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14735 instead of an explicit loop.
14737 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14739 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14740 if REG_RETVAL check succeeds, then put classp in src_elt.
14742 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14744 * function.c (pad_to_arg_alignment): Only update argument_pad
14745 if the argument's alignment is greater than STACK_BOUNDARY.
14747 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14749 * bitmap.h (BITMAP_XFREE): New.
14750 * flow.c (life_analysis): Use it.
14751 (life_analysis_1): Free blocks.
14753 * combine.c (undo_commit): New.
14754 (try_combine): Use it. Don't zap undobuf.undos.
14755 (combine_instructions): Don't zap undobuf.undos; free the
14756 undobuf.frees list.
14758 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14760 * stmt.c (cost_table_): New.
14761 (estimate_case_costs): Use it instead of xmalloc.
14763 * toplev.c (compile_file): Reuse dumpname memory instead
14766 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14768 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14769 after verifying an EH edge.
14771 * haifa-sched.c (init_rgn_data_dependences): Correctly
14772 size bb_pending_lists_length when zeroing.
14774 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14776 * function.c (diddle_return_value): New.
14777 (expand_function_end): Use it.
14778 * stmt.c (expand_null_return): Likewise.
14779 (expand_value_return): Likewise.
14781 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14783 * reload1.c (reload): Don't remove return value clobbers.
14785 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14787 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14789 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14791 * cse.c (cse_main): Use xmalloc, not alloca.
14792 (cse_basic_block): Likewise.
14793 * local-alloc.c (local_alloc): Likewise.
14795 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14796 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14798 * rtl.c: Include toplev.h.
14799 (fatal): Remove declaration.
14801 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14803 * haifa-sched.c (schedule_block): Fix thinko.
14805 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14807 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14808 S_IR* defined values
14810 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14812 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14813 call `malloc' instead.
14815 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14817 * flags.h (flag_renumber_insns): Declare.
14818 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14820 * rtl.h (renumber_insns): Change prototype.
14821 * toplev.c (flag_renumber_insns): Define.
14822 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14824 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14826 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14827 and fpsqrtd. Use them and create fdiv function unit to more
14828 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14829 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14831 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14833 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14835 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14836 insn into ready list, do not use just a raw swap.
14838 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14840 * rtl.h (renumber_insns): New function.
14841 (remove_unnecessary_notes): Likewise.
14842 * emit-rtl.c (renumber_insns): Define.
14843 (remove_unncessary_notes): Likewise.
14844 * toplev.c (rest_of_compilation): Remove dead code.
14845 Use renumber_insns and remove_unncessary_notes.
14847 * gcse.c (struct null_pointer_info): New type.
14848 (get_bitmap_width): New function.
14849 (current_block): Remove.
14850 (nonnull_local): Likewise.
14851 (nonnull_killed): Likewise.
14852 (invalidate_nonnull_info): Take a null_pointer_info as input.
14853 (delete_null_pointer_checks_1): New function.
14854 (delete_null_pointer_checks): Use it.
14856 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14857 (split_edges): Likewise.
14858 (schedule_block): Likewise.
14859 (compute_block_backward_dependencies): Likewise.
14860 (schedule_region): Likewise.
14861 (schedule_insns): Likewise.
14863 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14865 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14866 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14867 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14868 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14869 * jump.c (delete_unreferenced_labels): Don't delete if
14870 LABEL_ALTERNATE_NAME is set.
14871 * print-rtl.c (print_rtx): Dump alternate name.
14872 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14873 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14874 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14875 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14877 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14879 * fix-header.c (recognized_extern, recognized_function): Constify
14882 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14883 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14884 (compute_available): Remove unused variable `last'.
14885 (compute_nearerout): Remove unused variable `temp_bitmap'.
14886 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14887 Remove unused variable `x'.
14889 * scan.h (recognized_function, recognized_extern): Constify a
14892 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14894 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14896 * varasm.c (decode_rtx_const): Use XSTR to access the string
14899 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14901 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14903 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14905 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14907 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14909 * pa.c (ireg_operand): New function.
14910 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14911 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14912 Fix out of date comment.
14914 * pa.md (negdi2): Turn into expander + anonymous pattern.
14916 * reload.c (find_reloads): Fix typos in recent change.
14918 * dwarf2out.c: Do not include ctype.h.
14920 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14922 * regclass.c (record_reg_classes): Always use may_move_cost when
14923 seeing how operand fits with various register classes.
14925 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14927 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14928 * toplev.c: Revert Nov 1 13:22 change.
14930 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14932 * config/pa/pa.md (height reduction patterns): Add checks for
14933 overlapping operands to avoid semantic-destroying splits for
14934 height reduction patterns.
14936 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14938 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14939 have been an hyphen, fixed.
14940 * configure: Rebuilt.
14942 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14944 * config/arm/tpe.h: Add prototypes for exported functions.
14945 * config/arm/pe.c: Fix compile time warnings.
14946 * config/arm/semi.h: Fix compile time warnings.
14947 * config/arm/arm.c: Fix compile time warnings.
14948 * config/arm/arm.h: Fix compile time warnings.
14949 * config/arm/arm.md: Fix compile time warnings.
14950 * config/arm/thumb.c: Fix compile time warnings.
14951 * config/arm/thumb.h: Fix compile time warnings.
14952 * config/arm/thumb.md: Fix compile time warnings.
14954 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14956 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14959 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14960 completely unrolled.
14962 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14964 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14966 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14968 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14969 * rtl.h (rtx_equal_p): Move prototype.
14970 * rtl.c (rtx_equal_function_value_matters): Move from
14972 (rtx_equal_p): Likewise.
14973 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14974 (rtx_equal_p): Likewise.
14976 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14978 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14979 ! HAS_INIT_SECTION.
14981 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14983 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14985 * pa.h (ADDR_VEC_ALIGN): Define.
14987 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14988 notes when presented with "if (foo) break; end_of_loop" and
14989 the break sequence gets moved out of the loop.
14991 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14992 Remove explicit zero initializations of entries within MAP.
14994 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14996 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14998 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15000 * bitmap.h (BITMAP_XMALLOC): New macro.
15001 * flow.c (CLEAN_ALLOCA): Remove.
15002 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15003 (life_analysis): Likewise.
15004 (update_life_info): Don't use CLEAN_ALLOCA.
15005 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15006 (calculate_global_regs_live): Likewise.
15007 (print_rtl_with_bb): Likewise.
15008 (verify_flow_info): Likewise.
15009 * global.c (global_alloc): Likewise.
15010 (global_conflicts): Likewise.
15011 * integrate.c (save_for_inline_nocopy): Likewise.
15012 (expand_inline_function): Likewise.
15013 * jump.c (jump_optimize_1): Likewise.
15014 (duplicate_loop_exit_test): Likewise.
15015 (thread_jumps): Likewise.
15016 * loop.c (loop_optimize): Likewise.
15017 (combine_givs): Likewise.
15018 (recombine_givs): Likewise.
15019 * reorg.c (dbr_schedule): Likewise.
15020 * unroll.c (unroll_loop): Likewise.
15022 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15024 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15026 * toplev.c (rest_of_compilation): Don't optimize the CFG
15027 when rebuilding, just before dbr.
15029 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15031 * output.h (assemble_end_function, assemble_destructor,
15032 assemble_constructor, assemble_gc_entry, assemble_global,
15033 assemble_label, output_constant_pool) Constify a char*.
15035 * varasm.c (assemble_destructor, assemble_constructor,
15036 assemble_gc_entry, assemble_end_function, assemble_global,
15037 assemble_label, output_constant_pool): Likewise.
15039 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15041 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15042 explaining what is goin on in this function.
15044 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15046 * regclass.c (record_reg_classes): In matching case, recompute
15047 costs since the direction of movement is different.
15049 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15051 * resource.c (mark_target_live_regs): For unconditional branches,
15052 the resources found at the branch target should be added to the
15053 resources found so far, not intersected.
15055 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15057 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15059 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15060 (sys/mman.h): Include this file only if #HAVE_MMAP.
15061 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15062 with automatically concatenated ANSI strings.
15064 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15066 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15067 (DIV_ROUND_UP): Robustify.
15068 (ggc_recalculate_in_use_p): New function.
15069 (release_pages): Don't inline it.
15070 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15072 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15073 (clear_marks): Always save in_use_p.
15074 (sweep_pages): Use ggc_recalculate_in_use_p.
15075 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15076 Release pages before counting statistics.
15078 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15080 * toplev.c (rest_of_compilation): Fix thinko in this change:
15082 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15084 (rest_of_compilation): If inside an inlined external function,
15085 pretend we are just being declared.
15087 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15089 * flow.c (calculate_global_regs_live): Fix thinko.
15091 * integrate.c (expand_inline_function): Fix bugs in previous
15092 change from Oct 28, 1999.
15094 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15096 * stmt.c (expand_value_return): Fix typo in this change:
15098 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15099 (expand_value_return): Correctly convert VAL when promoting function
15100 return; support RETURN_REG being a PARALLEL.
15102 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15104 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15106 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15108 * hard-reg-set.h (reg_names): Constify a char*.
15110 * regclass.c (reg_names): Likewise.
15112 * regs.h (reg_names): Likewise
15114 * a29k/a29k.c (reg_names): Delete declaration.
15116 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15118 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15119 arc_output_function_epilogue): Likewise.
15121 * elxsi/elxsi.c (reg_names): Likewise.
15123 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15125 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15128 * m88k/m88k.c (output_function_profiler): Likewise.
15130 * sparc/sparc.c (sparc_flat_output_function_prologue,
15131 sparc_flat_output_function_epilogue): Likewise.
15133 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15135 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15136 warning from -Wuninitialized and put it under -W.
15137 * function.c (uninitialized_vars_warning): Warn only when the
15138 corresponding flag is set.
15140 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15142 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15143 is nonzero and the single set does not have an elt, then assign
15146 * simplify-rtx.c: New file.
15147 * Makefile.in (OBJS): Add simplify-rtx.o
15148 (simplify-rtx.o): Add dependencies.
15149 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15150 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15151 (cse_gen_binary, simplify_unary_operation): Delete.
15152 (simplify_binary_operation, simplify_plus_minus): Likewise.
15153 (check_fold_consts, simplify_relation_operation): Likewise.
15154 (simplify_ternary_operation): Likewise.
15155 (delete_trivially_dead_insns): Simplify the contents of the
15156 REG_EQUAL note before trying to substitute it into the source
15157 of the reg-reg copy at the end of a libcall sequence.
15159 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15160 references/callers changed.
15162 * mn10200.c (mn10200_va_arg): Force the return value into a
15165 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15167 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15170 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15172 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15174 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15176 * fold-const.c (fold): Fix thinko when optimizing comparisons
15179 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15181 * gcc.texi (Passes): Update front-end files to their current
15184 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15186 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15187 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15188 (PREDICATE_CODES): Add addition_operation.
15189 * alpha-protos.h (addition_operation): Declare.
15190 (secondary_reload_class): Likewise.
15191 * alpha.c (addition_operation): New.
15192 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15193 * alpha.md (adddi3): Turn into expander.
15194 (*lda, *adddi_2): New.
15195 (movsf, movdf patterns): Don't preference integer regs.
15196 (movsi, movdi patterns): Don't preference fp regs.
15198 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15200 * genrecog.c (write_switch): Check for duplicate CODE cases.
15202 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15204 * ggc-common.c: Update pre-function commentary.
15205 * ggc-page.c: Likewise.
15207 (poison_pages): Use memset directly.
15208 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15209 (ggc_collect): Poison before sweeping.
15210 * ggc-simple.c: Update pre-function commentary.
15211 (ggc_alloc_obj): Poison non-zeroed memory.
15213 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15215 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15216 match format string, even on 64-bit hosts.
15217 * gcc-page.c (ggc_page_print_statistics): Likewise.
15219 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15221 * config/i386/i386.c (ix86_cpu): Revert last patch.
15222 * config/i386/i386.h (ix86_cpu): Ditto.
15224 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15226 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15227 TYPE_SIZE, convert type of result to sizetype.
15229 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15231 * flow.c (count_or_remove_death_notes): Equate NULL with the
15234 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15235 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15238 * i386.c (pic_label_no): Delete.
15239 (ix86_attr_length_default): Don't use single_set to peek
15242 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15243 the first insn after bb->end.
15244 * i386.md (push mem peeps): Scratch is live after evaluation
15246 (cmp mem peep): Similarly.
15248 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15250 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15251 * function.c (pad_to_arg_alignment): Add missing braces.
15253 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15255 * alpha/alpha-protos.h (literal_section): Add prototype.
15256 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15259 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15261 (alpha_start_function, alpha_end_function, float_strings,
15262 alpha_need_linkage): Constify a char*
15264 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15266 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15268 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15270 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15272 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15274 * flow.c (debug_flow_info): Add prototype.
15276 * gcc.c (main): Likewise.
15278 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15281 * reload1.c (failed_reload, set_reload_reg): Likewise.
15283 * mips-tfile.c (main): Likewise.
15284 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15285 with ATTRIBUTE_NORETURN.
15287 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15289 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15290 DECL is not a memory ref.
15292 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15294 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15295 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15297 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15299 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15300 * config/mips/elf64.h: ditto.
15302 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15304 * expr.c (emit_push_insn): New argument alignment_pad.
15305 Update all callers. Adjust stack pointer based on alignment pad.
15306 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15307 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15308 (locate_and_pad_parm): New argument alignment_pad. Update all
15310 * expr.h (emit_push_insn): Update prototype.
15311 (locate_and_pad_parm): Update prototype.
15312 * calls.c (arg_data): Add new field alignment_pad.
15313 (initialize_argument_information): Initialize alignment_pad.
15315 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15317 * except.c (free_eh_nesting_info): Free the info itself.
15318 * function.c (free_after_compilation): Don't free NULL.
15319 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15320 (pre_edge_insert): Free inserted.
15321 * stmt.c (free_stmt_status): Don't free NULL.
15323 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15325 * gcov.c (DIR_SEPARATOR): Provide default.
15326 (output_data): Add test for MS-DOS format absolute filename.
15327 (fancy_abort): Correct program name.
15328 (open_files): Open all files in binary mode.
15329 * libgcc2.c (__bb_exit_func): Likewise.
15331 * profile.c (init_branch_prob): Specify binary when opening files.
15333 * flags.h (flag_unwind_tables): New decl.
15334 * toplev.c (flag_unwind_table): New definition.
15335 (f_options): Add -funwind-tables.
15336 (decode_g_option): Clarify warning when unknown -g option is given.
15337 (rest_of_compilation): If inside an inlined external function,
15338 pretend we are just being declared.
15340 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15341 (dwarf2out_frame_finish): Likewise.
15343 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15345 * fold-const.c (merge_ranges): If not in0, but in1, handle
15346 upper bounds equal like subset case.
15348 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15350 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15351 passed in a register but moved to the stack.
15353 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15355 * gcc.c (pass_exit_codes, greatest_status): New variables.
15356 (struct option_map): Add entry for "--pass-exit-codes".
15357 (execute): Update greatest_status if error.
15358 (display_help): Add documentation for -pass-exit-codes.
15359 (process_command): Handle -pass-exit-codes.
15360 (main): Look at pass_exit_codes and greatest_status on call to exit.
15362 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15364 * reload.c (find_reloads): Refine test for no input reload
15365 case to not includes reloads emitted after insn.
15367 * function.c (find_temp_slots_from_address): Handle sum involving
15368 a register that points to a temp slot.
15369 (update_temp_slot_address): Make recursive call if both old and
15370 new are PLUS with a common operand.
15371 * calls.c (expand_call): Mark temp slot for result as having
15374 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15376 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15377 component as well as "BINUTILS".
15379 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15380 * integrate.c (copy_rtx_and_substitute): Likewise.
15381 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15382 All callers changed.
15383 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15385 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15386 gdb extensions, write size of type; also be more consistent
15387 in using references when this is a subtype.
15389 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15390 that is out of range.
15392 * loop.c (unknown_constant_address_altered): New variable.
15393 (prescan_loop): Initialize it.
15394 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15395 (invariant_p, case MEM): Remove handling for volatile and readonly;
15396 check new variable if readonly.
15397 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15399 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15400 (addr_affects_sp_p): Removed from note_mem_written and only
15401 define #ifdef AUTO_INC_DEC.
15403 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15405 * regclass.c (record_reg_classes): Properly handle register move
15408 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15409 Don't think valid if both operands are invalid.
15410 (struct constant_descriptor): New field RTL.
15411 (mark_const_hash_entry): Mark it.
15412 (record_constant{,_rtx}): Initialize it.
15413 (output_constant_def): Allocate RTL in permanent obstack and
15415 ({record,compare}_constant_1): Modes must match for
15416 CONSTRUCTOR of ARRAY_TYPE.
15418 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15419 * output.h (initializer_constant_valid_p): Move decl to here.
15420 * c-common.c (initializer_constant_valid_p): Delete function from here.
15421 * varasm.c (initializer_constant_valid_p): Move function to here.
15423 * tree.h (STRIP_SIGN_NOPS): New macro.
15424 * fold-const.c (optimize_minmax_comparison): New function.
15425 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15426 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15427 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15428 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15429 widening conversions.
15430 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15431 to look at size of mode, not precision of type; also add missing cases.
15432 (optimize_bit_field_compare, decode_field_reference): Don't try to
15433 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15435 * dwarf2out.c (ctype.h): Include.
15436 (dwarf2out_set_demangle_name_func): New function.
15437 (size_of_line_info): Deleted.
15438 (output_line_info): Compute size of line info table from difference
15440 (base_type_die, add_name_attribute): Call demangle function, if any.
15441 (field_byte_offset): Use bits per word for variable length fields.
15442 (gen_array_type_die): Add array name.
15443 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15444 (dwarf2out_add_library_unit_info): New function.
15446 * explow.c (set_stack_check_libfunc): New function.
15447 (stack_check_libfunc): New static variable.
15448 (probe_stack_range): Allow front-end to set up a libfunc to call.
15450 * combine.c (simplify_comparison): When making comparison in wider
15451 mode, check for having commuted an AND and a SUBREG.
15452 (contains_muldiv): New function.
15453 (try_combine): Call it when dividing a PARALLEL.
15454 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15455 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15457 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15458 use one of the CLOBBERs instead.
15459 (if_then_else_cond): If comparing against zero, just return thing
15462 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15463 Don't generate shifts and subtract if have conditional arithmetic.
15465 * rtl.h (delete_barrier): New declaration.
15466 * jump.c (jump_optimize): Set up to handle conditional call.
15467 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15468 (delete_barrier): New function.
15470 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15472 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15474 * tree.c (build_type_attribute_variant): Push to obstack of
15475 ttype around type_hash_canon call.
15477 * expr.c (placeholder_list): Move decl to file scope.
15478 (expand_expr): Don't force access to volatile just because its
15480 If ignoring reference operations, just expand the operands.
15481 (expand_expr, case COMPONENT_REF): Propagate
15482 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15483 Refine test for using bitfield operations vs pointer punning.
15484 (expand_expr, case CONVERT_EXPR): If converting to
15485 BLKmode UNION_TYPE from BLKmode, just return inner object.
15486 Use proper mode in store_field call.
15487 Properly set sizes of object to store and total size in store_field
15488 call for convert to union.
15489 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15490 memory (like for ADDR_EXPR). Also, don't put constant in register if
15491 we'll want it in memory.
15492 (readonly_fields_p): New function.
15493 (expand_expr, case INDIRECT_REF): Call it if LHS.
15494 (expand_assignment): Handle a RESULT_DECL where
15495 DECL_RTL is a PARALLEL.
15496 (do_jump, case WITH_RECORD_EXPR): New case.
15497 (get_inner_reference): Always go inside a CONVERT_EXPR
15498 and NOP_EXPR if both modes are the same.
15499 (store_field): Use bitfield operations if size of bitsize is not same
15500 as size of RHS's type.
15501 Check for bitpos not a multiple of alignment in BLKmode case.
15502 Do block move in largest possible alignment.
15503 (store_constructor): Set BITSIZE to -1 for variable size and properly
15504 in case of array of BLKmode.
15505 (expand_expr_unaligned): New function.
15506 (do_compare_and_jump): Call it.
15508 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15509 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15510 does not include 'o'.
15512 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15513 both SET_DEST and SET_SRC reference a virtual register.
15514 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15516 * integrate.c (expand_inline_function): Handle case of setting
15517 virtual stack vars register (from built in setjmp); when parameter
15518 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15519 (subst_constant): Add new parm, MEMONLY.
15520 (expand_inline_function, integrate_parm_decls): Pass new parm.
15521 (integrate_decl_tree): Likewise.
15522 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15523 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15524 (copy_rtx_and_substitute, case SET): Add explicit calls to
15525 copy_rtx_and_substitute for both sides.
15527 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15529 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15530 within INDEX_TYPE, instead of before.
15531 (fixup_gotos): Use f->target_rtl, not the next insn,
15532 since latter may be from a later fixup.
15533 (expand_value_return): Correctly convert VAL when promoting function
15534 return; support RETURN_REG being a PARALLEL.
15535 (expand_return): When checking for result in regs and having
15536 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15538 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15540 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15541 last_nominal_fname): Mark const.
15542 (struct include_hash: name, nshort, control_macro): Mark
15544 (struct macrodef: symnam): Mark const.
15545 (struct if_stack: fname): Mark const.
15546 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15547 (IStable): New character-syntax array which encompasses all
15548 the old is_foo arrays.
15549 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15550 is_space): New macros for interrogating IStable.
15551 (check_macro_name): Kill last argument. All callers changed.
15553 * cppinit.c (initialize_char_syntax): Delete.
15554 (is_idchar, is_idstart, is_hor_space, is_space,
15555 trigraph_table): Delete.
15556 (IStable): New. Initialize with clever macros to avoid
15557 information duplication.
15558 (builtin_array): Table of builtins to get rid of explicit list
15559 in initialize_builtins.
15560 (initialize_builtins): Use builtins_array.
15561 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15562 opts->dollars_in_ident.
15564 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15566 (cpp_parse_expr): Avoid 'format string is not constant'
15567 warning. Use ISGRAPH to identify printable chars.
15568 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15570 (read_and_prescan): Map trigraphs to chars with open-coded
15571 if-else-if-... sequence, not a lookup table.
15572 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15574 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15575 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15576 (check_macro_name): Remove ability to report an invalid
15577 assertion name, which is never used.
15578 (do_line): Constify a couple of char *'s.
15579 * cppmain.c (main): Call cpp_cleanup before returning.
15581 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15583 * ggc.h (struct ggc_statistics): New type.
15584 (ggc_get_size): New function.
15585 (ggc_print_statistics): Likewise.
15586 * ggc-common.c (ggc_stats): New variable.
15587 (ggc_mark_rtx_children): Keep statistics.
15588 (ggc_mark_tree_children): Likewise.
15589 (ggc_print_statistics): New function.
15590 * ggc-page.c (struct globals): Add bytes_mapped field.
15591 (alloc_anon): Update it.
15592 (release_pages): Likewise.
15593 (ggc_get_size): New function.
15594 (ggc_page_print_statistics): New function.
15595 * ggc-simple.c (ggc_get_size): New function.
15597 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15599 * flow.c (propagate_block): When the last reference to a label
15600 before an ADDR_VEC is deleted because the reference is a dead
15601 store, delete the ADDR_VEC.
15603 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15605 * resource.c (find_free_register): Don't use the frame pointer
15606 if frame_pointer_needed.
15608 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15610 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15611 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15613 * config/i960/i960.c (i960_va_start): New locals base, num.
15614 Use INDIRECT_REF instead of ARRAY_REF on valist.
15615 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15617 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15619 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15621 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15623 * tree.def (PLACEHOLDER_EXPR): Update comments.
15625 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15627 * c-common.c (check_format_info): Avoid non-literal format string
15628 warnings when `first_arg_num' is zero.
15630 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15632 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15634 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15636 * arm.md (casesi_insn): Add a clobber of the condition code
15639 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15641 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15642 used by both cc1 and cc1plus.
15644 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15646 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15647 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15648 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15649 to the value 32 if it has not already been defined.
15650 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15651 Override definition in arm.h with a value of 8.
15653 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15655 * c-pragma.c (push_alignment): Don't check the return value
15658 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15660 * sparc.h (ADJUST_COST): Fix thinko.
15662 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15664 * cccp.c (rescan): Fixed obp pointer handling around call to
15665 check_expand subroutine.
15667 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15669 * gcse.c (delete_null_pointer_checks): Only record non-null info
15670 for pseudos when examining stores.
15672 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15673 splitters for these patterns. Use "#" for output templates.
15674 (addsi3_carryin_shift): New pattern.
15676 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15678 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15679 of the function return register into a plain REG until
15680 after function inlining is done.
15682 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15684 * jump.c (jump_optimize_1): If we did cross-jumping, and
15685 the data will matter, rebuild the CFG.
15686 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15687 not optimizing. Don't run shorten_branches.
15688 * toplev.c (rest_of_compilation): Run shorten_branches after
15691 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15693 * rtl.h (note_stores): Add additional paramter.
15694 * rtlanal.c (reg_set_p_1): Take additional paramter.
15695 (reg_set_last_1): Likewise.
15696 (reg_set_p): Adjust call to note_stores.
15697 (reg_set_last): Likewise.
15698 (note_stores): Pass data parameter to worker function.
15699 * alias.c (record_set): Take additional parameter.
15700 (init_alias_analysis): Pass it.
15701 * caller-save.c (mark_set_regs): Take additional parameter.
15702 (save_call_clobbered_regs): Pass NULL to note_stores.
15703 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15705 (record_dead_and_set_regs_1): Likewise.
15706 (reg_dead_at_p_1): Likewise.
15707 (combine_instructions): Adjust calls to note_stores.
15708 (try_combine): Likewise.
15709 (record_dead_insn): Remove.
15710 (record_dead_and_set_regs): Adjust calls to note_stores.
15711 (reg_dead_at_p): Likewise.
15712 * cse.c (invalidate_skipped_set): Take additional parameter.
15713 (cse_check_loop_start): Likewise.
15714 (cse_check_loop_start_value): Remove.
15715 (cse_set_around_loop): Adjust calls to note_stores.
15716 * flow.c (notice_stack_pointer_modification): Take additional
15717 parameter. Remove duplicate declaration.
15718 (record_volatile_insns): Adjust calls to note_stores.
15719 * gcse.c (record_set_info): Take additional parameter.
15720 (record_last_set_info): Likewise.
15721 (invalidate_nonnull_info): Likewise.
15722 (record_set_insn): Remove.
15723 (compute_sets): Adjust calls to note_stores.
15724 (last_set_insn): Remove.
15725 (compute_hash_table): Adjust calls to note_stores.
15726 (insert_insn_end_bb): Likewise.
15727 (delete_null_pointer_checks): Likewise.
15728 * global.c (mark_reg_store): Take additional parameter.
15729 (mark_reg_clobber): Likewise.
15730 (reg_becomes_live): Likewise.
15731 (global_conflicts): Adjust calls to note_stores.
15732 (build_insn_chain): Likewise.
15733 * integrate.c (note_modified_parmregs): Take additional parameter.
15734 (mark_stores): Likewise. Make it static.
15735 (save_for_inline_nocopy): Adjust calls to note_stores.
15736 (try_constants): Likewise.
15737 * integrate.h (mark_stores): Remove declaration.
15738 * jump.c (mark_modified_reg): Take additional parameter.
15739 (thread_jumps): Adjust calls to note_stores.
15740 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15742 (no_equiv): Likewise.
15743 (reg_is_set): Likewise.
15744 (validate_equiv_mem): Adjust calls to note_stores.
15745 (update_equiv_regs): Likewise.
15746 (block_alloc): Likewise.
15747 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15748 (note_addr_stored): Take additional parameter.
15749 (note_set_pseudo_multiple_uses): Likewise.
15750 (record_initial): Likewise.
15751 (prescan_loop): Adjust calls to note_stores.
15752 (strength_reduce): Likewise.
15753 (check_dbra_loop): Likewise.
15754 * regmove.c (flags_set_1): Take additional paramter.
15755 (mark_flags_life_zones): Adjust calls to note_stores.
15756 * reload1.c (mark_not_eliminable): Take additional parameter.
15757 (forget_old_reloads_1): Likewise.
15758 (reload_cse_invalidate_rtx): Likewise.
15759 (reload_cse_check_clobber): Likewise.
15760 (reload_combine_note_store): Likewise.
15761 (move2add_note_store): Likewise.
15762 (reload): Adjust calls to note_stores.
15763 (reload_as_needed): Likewise.
15764 (emit_reload_insns): Likewise.
15765 (reload_cse_regs_1): Likewise.
15766 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15767 (reload_combine): Adjust calls to note_stores.
15768 * resource.c (update_live_status): Take additional paramter.
15769 (mark_target_live_regs): Adjust calls to note_stores.
15770 * stupid.c (find_clobbered_regs): Take additional parameter.
15771 (stupid_life_analysis): Adjust calls to note_stores.
15773 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15775 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15778 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15781 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15782 of the variable arm_structure_size_boundary.
15784 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15786 * alias.c (init_alias_analysis): Allocate reg_known_value and
15787 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15789 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15790 * cse.c (cse_main): Call end_alias_analysis.
15791 * haifa-sched.c (schedule_insns): Likewise.
15792 * local-alloc. (update_equiv_regs): Likewise.
15793 * reload1.c (reload_cse_regs): Likewise.
15795 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15797 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15798 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15799 mapping from MASK_FPU.
15801 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15803 * sparc.md (call): Don't bound structure return size to 0xfff.
15805 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15807 * resource.c (mark_target_live_regs): Check that the target
15808 insn wasn't created after compute_bb_for_insn.
15810 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15812 * ggc-page.c (poison_pages): Don't be overzealous.
15814 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15816 * alias.c: Update comments for ADDRESS.
15817 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15818 it is a local memory reference.
15820 * c-typeck.c (build_function_call): Check that the built-in
15821 function is of class BUILT_IN_NORMAL before trying to recongize
15822 it as BUILT_IN_ABS.
15823 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15824 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15826 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15828 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15830 (pre_gcse): Likewise.
15831 (hoist_expr_reaches_here_p): Likewise.
15832 (hoist_code): Likewise.
15833 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15835 (pre_expr_reaches_here_p_work): ... here.
15836 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15838 (expr_reaches_here_p_work): ... here.
15840 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15842 * resource.c (find_basic_block): Delete.
15843 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15844 (init_resource_info): Call compute_bb_for_insn.
15846 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15848 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15849 with already adjacent blocks, but no fallthru.
15850 (merge_blocks_move_successor_nojumps): Simplify.
15851 (debug_flow_info): New.
15853 * toplev.c (rest_of_compilation): Open jump1 dump file before
15854 jump and close after, as opposed to just using dump_rtl.
15856 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15858 * reload.h (earlyclobber_operand_p): Declare.
15859 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15860 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15861 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15862 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15864 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15865 Richard Henderson <rth@cygnus.com>
15867 * emit-rtl.c (emit_block_insn_before): New.
15868 (emit_block_insn_after): New.
15869 * basic-block.h: Declare them.
15871 * bitmap.h: Protect from multiple inclusion.
15873 * recog.c (scratch_operand): Handle VOIDmode correctly.
15875 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15877 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15878 * function.c (assign_parms): Likewise.
15879 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15881 * reg-stack.c (max_uid): Remove.
15882 (blocks, block_begin, block_end, block_drops_in): Remove.
15883 (block_stack_in, block_out_reg_set, block_number): Remove.
15884 (struct block_info_def, BLOCK_INFO): New.
15885 (enum emit_where): New.
15886 (current_block): New.
15887 (BLOCK_NUM): Remove.
15888 (mark_regs_pat, record_label_references): Remove.
15889 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15891 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15892 (reg_to_stack): Simplified test for existance of fp code. Use
15893 flow.c code. Call shorten_branches after cross-jump opt.
15894 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15895 Return false if the asm doesn't use stack regs. Don't do life
15896 analysis on the asm.
15897 (emit_pop_insn): Replace function pointer arg `when' with
15898 enum `where'. Update all callers.
15899 (change_stack): Likewise. Update basic block end.
15900 (emit_swap_insn): Use current_block->head to limit reverse search
15901 for start of block. Use emit_block_insn_after.
15902 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15903 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15904 structure assignment instead of bcopy.
15905 (print_stack): New.
15906 (convert_regs_entry, convert_regs_exit): New.
15907 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15908 Work on basic blocks and the CFG.
15909 (convert_regs): Use them.
15911 * i386.c (output_fix_trunc): Remove code for DImode input operand
15912 not at top-of-stack.
15913 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15915 (fix_truncdi_1): Allow any mode scratch.
15917 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15919 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15920 * linux.h, netbsd.h, vms.h: Not here.
15922 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15924 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15925 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15926 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15927 CONDITIONAL_REGISTER_USEAGE): Use them.
15928 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15929 gen_conditional_branch,override_options) : Use them.
15930 * config/mips/mips.md : Use them.
15932 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15934 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15936 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15938 * integrate.c (function_cannot_inline_p): Don't allow inlining
15941 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15943 * c-parse.in (cast_expr): Constify.
15945 * cccp.c (special_symbol): Likewise.
15947 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15949 * dwarf2out.c (base_type_die): Likewise.
15951 * global.c (allocno_compare): Likewise.
15953 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15955 * regclass.c (fix_register): Likewise.
15957 * rtl.h (fix_register): Likewise.
15959 * stupid.c (stupid_reg_compare): Likewise.
15961 * toplev.c (decode_f_option): Likewise.
15963 * tree.c (build_complex_type): Likewise.
15965 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15967 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15969 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15971 * reload.c (find_reloads): Compute mode and nregs fields of all
15973 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15974 (calculate_needs): Use precomputed mode/nregs values.
15975 (allocate_reload_reg): Likewise.
15977 (failed_reload, set_reload_reg): ... new functions.
15978 (choose_reload_regs_init): New function, mostly broken out from...
15979 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15980 Also lose one #if 0 block.
15982 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15984 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15987 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15989 * tree.h (BLOCK_TYPE_TAGS): Remove.
15990 (BLOCK_END_NOTE): Likewise.
15991 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15992 (BLOCK_LIVE_RANGE_START): Likewise.
15993 (BLOCK_LIVE_RANGE_END): Likewise.
15994 (tree_block): Remove live_range_flag, live_range_var_flag, and
15995 type_tags. Remove end_note, live_range_start, and live_range_end.
15996 (remember_end_note): Remove prototype.
15997 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15998 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16000 * ggc-common.c (ggc_mark_tree_children): Don't mark
16001 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16002 * integrate.c (adjust_copied_decl_tree): Remove.
16003 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16004 * stmt.c (last_block_end_note): Remove.
16005 (init_stmt): Don't add a GC root for it.
16006 (expand_fixup): Don't set it.
16007 (remember_end_note): Remove.
16008 (expand_end_bindings): Don't set last_block_end_note.
16010 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16012 * reload1.c (reload_reg_free_for_value_p): Show
16013 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16016 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16018 * expmed.c (extract_bit_field): Allow for the case of non-integer
16019 objects that are smaller than a word (like SFmode on a 64-bit
16022 * loop.c (basic_induction_var): A non-integer variable which is
16023 being set by a paradoxical subreg is probably not a biv.
16025 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16027 * prefix.c (translate_name) Check for empty prefix string.
16029 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16031 * Makefile.in (CPP_CROSS_NAME): New variable.
16032 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16034 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16035 names of the files to be uninstalled.
16037 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16039 * collect2.c (IS_DIR_SEPARATOR): Define.
16040 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16042 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16045 * haifa-sched.c (add_dependence): Update the true dependency
16046 cache the first time we add a true dependence to the LOG_LINKS chain.
16048 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16050 * fold-const.c (fold): Fix comment.
16052 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16054 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16055 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16056 dbxout_start_new_source_file, dbxout_source_file,
16057 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16058 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16060 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16061 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16062 (dbxout_block): Initialize variable `blocknum'.
16064 * dbxout.h (dbxout_init, dbxout_finish,
16065 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16066 dbxout_args, dbxout_source_line): Constify a char*.
16068 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16069 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16070 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16071 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16072 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16073 src_info_attribute, mac_info_attribute, producer_attribute,
16074 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16075 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16076 dwarfout_undef): Constify a char*.
16077 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16079 * dwarfout.h (dwarfout_define, dwarfout_undef,
16080 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16082 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16084 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16085 (MULTILIB_ISA_DEFAULT): New.
16086 (MULTILIB_DEFAULTS): Use it.
16087 * config/mips/mips.c (): Remove the now unnecessary definition
16088 of MIPS_ISA_DEFAULT.
16089 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16090 unnecessary definition.
16092 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16094 * arm.md (pic_load_addr): Add constraints to operand 1.
16096 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16098 * fixinc/genfixes: Provide a means for specifying -D options to
16101 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16103 * arm.c (arm_override_options): Correct initialization of
16104 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16105 arm_is_strong, and arm_is_6_or_7.
16107 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16108 (note_set_pseudo_multiple_uses): New function.
16109 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16110 if a pseudo set in the loop exit is used elsewhere.
16112 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16114 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16116 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16118 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16119 a single load-address pattern.
16121 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16123 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16124 depending on whether or not line-number notes are present.
16126 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16128 * cccp.c (progname, file_buf, default_include, include_file,
16129 macrodef, definition, hashval, wchar_type, user_label_prefix,
16130 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16131 expand_to_temp_buffer, is_system_include, base_name,
16132 absolute_filename, read_name_map, open_include_file,
16133 record_control_macro, check_precompiled, check_preconditions,
16134 pcfinclude, pass_thru_directive, create_definition,
16135 check_macro_name, comp_def_part, collect_expansion,
16136 check_assertion, read_token_list, assertion_install,
16137 assertion_lookup, eval_if_expression, conditional_skip,
16138 validate_else, skip_quoted_string, quote_string, macarg1,
16139 error_from_errno, install, lookup, hashf, dump_defn_1,
16140 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16141 check_white_space, rescan, handle_directive, monthnames,
16142 special_symbol, do_include, remap_include_file, write_output,
16143 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16144 do_ident, do_sccs, do_xifdef, skip_if_group,
16145 output_line_directive, macroexpand, macarg, change_newlines,
16146 initialize_builtins, make_definition): Constify a char*.
16148 * pcp.h (stringdef): Likewise.
16150 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16152 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16155 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16156 Richard Henderson <rth@cygnus.com>
16158 * alias.c: Include ggc.h.
16159 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16160 (record_set): Verify enough room in reg_base_value.
16161 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16162 Register it as a GC root.
16163 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16164 * Makefile.in (alias.o): Depend on ggc.h.
16166 * unroll.c (unroll_loop): Verify the insn before a barrier
16167 is a JUMP_INSN before checking JUMP_LABEL.
16169 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16171 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16172 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16173 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16174 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16175 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16176 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16178 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16180 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16182 * alpha/alpha-interix.h (text_section): Delete prototype.
16183 * alpha/elf.h (text_section): Likewise.
16184 * arm/linux-elf.h (text_section): Likewise.
16185 * arm/linux-telf.h (text_section): Likewise.
16186 * c4x/c4x.h (text_section): Likewise.
16187 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16188 * elfos.h (text_section): Likewise.
16189 * i386/aix386ng.h (text_section): Likewise.
16190 * i386/i386-interix.h (text_section): Likewise.
16191 * i386/sco5.h (text_section): Likewise.
16192 * i386/svr3gas.h (text_section): Likewise.
16193 * nextstep.h (text_section): Likewise.
16194 * psos.h (text_section): Likewise.
16195 * ptx4.h (text_section): Likewise.
16196 * svr3.h (text_section): Likewise.
16197 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16199 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16201 * final.c (peephole): Delete prototype.
16203 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16204 (pre_insert_copies): Remove unused variable `bb'.
16206 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16209 * output.h (peephole): Add prototype.
16211 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16213 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16216 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16218 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16219 for inlined declarations.
16221 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16223 * arm.c (logical_binary_operator): New fucntion.
16224 * arm.h (logical_binary_operator): Declare it.
16225 (PREDICATE_CODES): Handle logical_binary_operator.
16226 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16227 output constraints. Add appropriate splitters.
16228 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16229 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16230 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16232 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16234 * genoutput.c (struct operand_data): New elt eliminable.
16235 (output_operand_data): Write it.
16236 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16237 (compare_operands): Take it into account.
16238 * recog.h (struct insn_operand_data): New elt eliminable.
16239 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16241 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16242 (eliminate_regs): Move code that detects changes to elimination
16243 target regs into new function elimination_effects.
16244 Delete one #if 0 block.
16245 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16246 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16247 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16248 Only call eliminate_regs for real operands of the insn, not for parts
16249 of its structure or parts matched by things like match_operator.
16250 Use elimination_effects and check_eliminable_occurrences. Use
16251 copy_insn to duplicate the pattern when not in the final pass.
16253 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16255 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16258 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16260 * fixinc/README: document the "mach" machine matching test
16261 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16262 * fixinc/fixtests.c: Implement the #else/#endif label test
16263 * fixinc/inclhack.def: utilize these tests and fixes
16264 * fixinc/inclhack.sh: regen
16265 * fixinc/fixincl.x: regen
16266 * fixinc/fixincl.sh: regen
16268 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16270 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16273 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16275 * gcc.1: Document exit codes.
16277 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16279 * calls.c: Include tm_p.h later, so everything we need is defined.
16280 * expr.c: Likewise.
16281 * function.c: Likewise.
16283 * except.c: Include tm_p.h.
16285 * sparc.c: Likewise.
16286 (dwarf2out_cfi_label): Don't prototype.
16287 (check_return_regs, epilogue_renumber,
16288 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16289 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16290 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16291 ultra_schedule_insn): Add static prototype.
16292 (data_segment_operand, text_segment_operand): Call itself with the
16293 proper number of arguments.
16294 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16296 * sparc.h: Move all declarations to sparc-protos.h.
16297 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16300 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16302 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16304 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16305 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16306 ASM_OUTPUT_ASCII): Constify a char*.
16308 * sparc-protos.h: New file for sparc prototypes.
16310 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16312 * function.c (record_insns, contains): Always declare and define.
16313 (record_insns): Mark with ATTRIBUTE_UNUSED.
16315 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16317 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16318 to .section when outputting a .bss section to deal with multiple
16319 .bss input sections (as happens with -fdata-sections)
16320 Also output %progbits, not @progbits so the assembler doesn't treat as
16322 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16324 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16325 thumb parts even when building with non-thumb CPUs, by forcing
16328 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16330 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16331 (movdf_const_intreg_sp64): Similarly.
16333 * local-alloc.c (update_equiv_regs): Check the correct insn
16334 for pre-existing REG_EQUIV notes.
16336 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16338 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16339 block reached by a branch if we're not going to actually process
16342 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16344 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16345 a local extern function declaration.
16347 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16349 * i386.c (ix86_expand_prologue): Properly wrap USE around
16350 reg for CALL_INSN_FUNCTION_USAGE.
16352 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16354 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16355 move between GP_REGs.
16357 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16359 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16360 the mode size when finding out if an offset is legal.
16362 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16364 * basic-block.h (PROP_*): Move constants from ...
16365 * flow.c: ... here.
16366 (compute_bb_for_insn): Free the array before reallocating.
16367 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16368 (allocate_reg_life_data): Reset all reg variables collected by
16370 (get_block_head_tail): Don't convert from bb to block.
16371 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16372 (find_insn_reg_weight): Take block not bb.
16373 (schedule_block): Don't set block num for moved insns.
16374 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16375 (schedule_insns): Do it here instead.
16376 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16377 before update_life_info.
16378 * recog.c (split_all_insns, peephole2_optimize): Update for
16379 new arg to update_life_info.
16380 * rtlanal.c (remove_note): Cope with NULL note.
16381 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16384 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16386 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16388 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16389 block records so that merge_blocks_nomove will clean up correctly.
16390 (split_edge): Handle casesi insns.
16392 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16394 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16396 * pa.md (call, call_value): Do not emit a blockage after restoring
16399 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16401 * c-typeck.c (c_expand_asm_operands): Fix typo.
16403 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16405 * arm.c (fpu_rhs_operand): Verify modes.
16406 (fpu_add_operand): Likewise.
16407 (di_operand): Likewise.
16408 (soft_df_operand): Likewise.
16410 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16412 * arm.c (arm_return_in_memory): APCS rules state that the elements
16413 of a structure returned in a register must be 'integer-like'.
16415 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16417 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16418 in the source tree when the generated targets are out of date
16419 * fixinc/genfixes: Alter it to run individual fixes for make.
16420 * fixinc/README: rewrite
16421 * fixinc/inclhack.def: moved initial comments to README
16423 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16425 * toplev.c (main): Do not generate an error message if an
16426 unrecognised command line switch is recognisable by another
16427 language. If extra_warnings are enabled, then generate a
16428 warning message instead.
16430 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16432 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16433 (insert_pack_attributes): Delete prototype.
16435 * c-pragma.c (default_alignment): New static variable.
16436 (push_alignment): Initialize to current effective alignment.
16437 (pop_alignment): Use to set new alignment.
16438 (insert_pack_attributes): Delete function.
16439 (handle_pragma_token): Set default_alignment as well each time
16440 a #pragma pack(<n>) is encountered.
16442 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16444 * reg-stack.c (stack_result): Aggregates are not returned in
16447 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16449 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16451 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16453 * basic-block.h (set_block_num): Declare.
16454 * flow.c (update_life_info): Don't call compute_bb_for_insn
16455 or free_basic_block_vars.
16456 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16457 (insn_orig_block): Remove.
16458 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16459 (schedule_block): Keep BLOCK_NUM up-to-date.
16460 (schedule_insns): Use compute_bb_for_insn.
16461 * recog.c (split_all_insns): Likewise.
16462 (peephole2_optimize): Likewise.
16464 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16466 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16467 if the pic register is used.
16469 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16471 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16472 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16473 if that tests TREE_PERMANENT.
16475 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16477 * cse.c (invalidate_for_call): Do not remove memory references from
16478 the table here. It's handled elsewhere.
16480 * haifa-sched.c (add_dependence): Protect references to the
16481 true dependency cache with #ifdef INSN_SCHEDULING.
16482 (remove_dependence): Similarly.
16484 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16485 to the cfg code that this is a return instruction.
16486 * mn10300.md (return_internal): Similarly.
16488 * combine.c (get_last_value): If the last set of a register
16489 is after subst_low_cuid, then we can not use it to determine
16490 the register's last value.
16492 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16494 * Makefile.in: Back out previous change.
16496 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16498 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16500 * haifa-sched.c (add_dependence): Only check/update the cache
16502 (remove_dependence): Likewise.
16503 (schedule_insns): Only create the true_dependency_cache if the
16504 average number of instructions in a basic block is very large.
16506 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16508 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16509 (ggc-simple.o): Likewise.
16510 (ggc-page.o): Likewise.
16512 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16514 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16515 Prototype for exported functions.
16516 (pre_lcm, pre_rev_lcm): Remove prototypes.
16517 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16518 (compute_available): Move to lcm.c, and change parameter order.
16519 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16520 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16521 (gcse_main): No longer call compute_preds_succs. Rebuild the
16522 set table after reach pre pass.
16523 (pre_insert_map, pre_delete_map, edge_list): New.
16524 (alloc_pre_mem): Allocate edge vectors.
16525 (free_pre_mem): Delete edge vectors.
16526 (compute_pre_data): Call new edge based lcm routines.
16527 (process_insert_insn): New function.
16528 (insert_insn_end_bb): Use it.
16529 (pre_edge_insert): New function.
16530 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16532 (pre_insert_copies): Revamp using new edge based lcm outputs.
16533 (pre_delete): Likewise.
16534 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16536 (compute_code_hoist_vbeinout): New new edge based routines.
16537 * lcm.c: Remove all the old LCM functions. Replace with new ones
16538 that work with the new cfg datastructures and work with edges
16541 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16543 * reload.h (struct reload): Add new fields "mode" and "nregs".
16544 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16545 to reference the "mode" and "nregs" field within struct reload.
16547 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16549 * haifa-sched.c (true_dependency_cache): New.
16550 (add_dependence): Use the true dependency cache to avoid expensive
16551 walks down the LOG_LINKS dependency list. Add entries to the
16552 cache as necessary.
16553 (remove_dependence): Remove entries from the true dependency cache
16555 (schedule_insns): Allocate and initialize and free the true
16558 * haifa-sched.c (schedule_insns): Do not remove inter-block
16559 dependencies anymore.
16561 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16563 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16564 * i386/t-winnt: Likewise.
16566 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16568 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16570 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16572 * Makefile.in (LANGUAGES): Omit "proto".
16573 (clean): Remove stale comment about removing unprotoize.c.
16575 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16577 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16578 using arithmetic on void pointers.
16580 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16582 * haifa-sched.c (compute_block_forward_dependencies): Only check
16583 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16585 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16587 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16588 (expr_equiv_p): Reject memories with different alias sets.
16590 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16592 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16593 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16594 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16595 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16596 (lang_init): Set default for flag_bounds_check if still "unspecified".
16598 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16600 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16602 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16604 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16607 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16609 * config/c4x/c4x.md (*db_noclobber,
16610 *decrement_and_branch_until_zero_noclobber): New patterns and
16611 associated splitters.
16613 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16615 * config/c4x/c4x.md (parallel instruction patterns): Rework
16616 constraints to keep reload happy.
16618 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16620 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16621 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16622 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16623 Add new patterns and associated post-reload splitters.
16625 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16627 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16629 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16631 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16633 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16635 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16637 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16640 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16642 * pa.c (move_operand): Rely on memory_address_p to determine the
16643 validity of non-indexed memory addresses.
16644 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16645 operand in DFmode and SFmode when generating PA2.0 code.
16647 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16649 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16651 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16653 * mips.c (function_prologue): Fix argument types.
16654 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16655 (casesi_internal): Write to the scratch register.
16657 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16659 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16661 (parse_charconst): Delete unnecessary cast when calling
16663 (cpplib.h): Kill prototype of cpp_parse_escape.
16665 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16667 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16668 * unroll.c (unroll_loop): Cast return value of alloca.
16669 * i370/i370.c: Include function.h and toplev.h.
16670 (i370_label_scan): Remove c++ commented abort.
16671 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16672 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16673 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16674 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16676 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16678 * config/t-freebsd: Do not override USER_H.
16679 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16681 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16682 Mumit Khan <khan@xraylith.wisc.edu>
16684 * c-parse.in (component_decl): Support anonymous struct/union.
16686 * c-parse.y: Regenerate.
16687 * c-parse.c: Likewise.
16688 * objc/objc-parse.y: Likewise.
16689 * objc/objc-parse.c: Likewise.
16690 * c-decl.c (finish_struct): Don't sort the fields.
16691 (field_decl_cmp): Delete unused function.
16693 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16695 * sparc.md (movsf_const_intreg): Revert last constraint change.
16696 (movdf_const_intreg_sp32): Likewise.
16698 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16700 * cse.c: Include hashtab.h instead of splay-tree.h
16701 (struct cse_reg_info): No longer use variant union. Add new
16702 field "regno". All references changed to avoid union.
16703 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16704 (free_cse_reg_info): Remove.
16705 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16706 (get_cse_reg_info): Revamp to use expandable hash tables instead
16707 of splay trees. Initialize new fields in cse_reg_info structure.
16708 (new_basic_block): Similarly.
16710 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16712 * genrecog.c (message_with_line): Prototype.
16713 (validate_pattern): Pass along the set for the dest, not a flag.
16714 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16715 Check for PC/CC0 as sources.
16716 (nodes_identical): Check for children position match before
16717 allowing the combination.
16719 * rtl.c (read_rtx): Track line number across \\\n.
16721 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16723 * mips.h (SPECIAL_MODE_PREDICATES): New.
16724 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16725 (movdi+1, movsi+1): Add output reload constraint.
16726 (casesi_internal): Likewise. Fix commentary.
16727 (return_internal): Use pmode_register_operand.
16729 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16731 * 1750a.md (movstrqi): Add missing output reload constraint.
16732 (call_value): Likewise.
16733 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16734 (jmpfdec): Add missing inout reload constraint.
16735 * elxsi.md (addsi patterns): Add missing output reload constraint.
16736 (move from sp): Use @ alternates.
16737 (call_value): No constraint on output.
16738 * fr30.md (movsi_pop): Add missing output reload constraint.
16739 (movsf_constant_store): Likewise.
16740 (splits): Remove constraints.
16741 (subsi3): Add missing mode.
16742 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16743 (call_value): Likewise.
16744 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16745 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16746 * m32r.md (movsicc_internal): Add output reload constraint.
16747 (movstrsi_internal): Add inout reload constraints.
16748 * m88k.h (reg_names): Don't declare.
16749 (SPECIAL_MODE_PREDICATES): New.
16750 * m88k.md (*): Use register_operand not reg_or_0_operand
16752 * mn10200.h (PREDICATE_CODES): New.
16753 * ns32k.md (ffs pattern): Add output reload constraint.
16754 * pdp11.md (sob pattern): Add inout reload constraint.
16755 * sh.md (splits): Remove constraints.
16756 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16757 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16758 * vax.md (jgequ pattern): Add inout reload constraint.
16760 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16762 * configure.in (djgpp): Revert previous patch.
16763 * configure: Rebuit.
16764 * config/i386/djgpp.h: Revert previous patch.
16766 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16768 * fixinc/inclhack.def: Restore patch lost during last merge of
16769 "no_bogosity" branch.
16770 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16772 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16774 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16775 * fixinc/inclhack.def: Same.
16776 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16778 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16780 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16781 as the base of a PLUS.
16783 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16785 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16786 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16788 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16790 * pa.md (post_stw+1): Use pmode_register_operand.
16791 (dcacheflush, icacheflush): Likewise.
16793 * i386.md (movstricthi_1): Allow r/r.
16795 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16797 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16798 to (not (and (arg0) (arg1))). Similary for and.
16800 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16801 fallthrough to associate code.
16802 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16805 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16806 no bits in common; remove XOR to ROTATE conversion.
16808 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16810 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16812 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16814 * config/c4x/c4x.c (dst_operand): New.
16815 (PREDICATE_CODES): Update.
16816 * config/c4x/c4x.h (dst_operand): Declare it.
16817 * config/c4x/c4x.md: Define mode for each unspec usage.
16818 (move patterns): Use dst_operand predicate instead of src_operand.
16819 (movqi_update, movqf_update): Delete.
16821 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16823 * recog.c (pmode_register_operand): New.
16824 * recog.h: Declare it.
16825 * genrecog.c (pred_codes): Likewise.
16826 (special_mode_pred_table): Likewise.
16827 (validate_pattern): Don't warn no mode for address_operand.
16829 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16830 if the operand is not insn-like.
16832 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16833 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16835 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16837 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16839 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16840 instead of general_operand in a SET_DEST. Use const_double_operand
16841 instead of an explicit test against CONST_DOUBLE.
16842 (movsf_const_lo): Add missing register mode.
16843 (goto_handler_and_restore): Add auxiliary test for Pmode.
16844 (flush): Adjust to use address_operand.
16845 (return_sf_no_fpu): Add missing output constraint.
16847 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16849 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16850 for call return value.
16851 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16853 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16855 * toplev.c (main): Only warn about options for other languages.
16856 * collect2.c (main): Pass -w to sub-gcc.
16858 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16860 * flow.c (propagate_block): Add call-clobbered registers to
16863 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16864 zapping mem_set_list.
16865 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16866 (mark_set_1, mark_used_regs): Likewise.
16868 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16870 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16872 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16874 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16875 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16876 options. Also add a new item "C-only Warning Options" to the
16879 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16881 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16882 from multiple calls.
16884 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16886 * i386.md (call value patterns): Move to the end of the file.
16887 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16889 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16891 * configure.in (djgpp configuration): Define extra_objects..
16892 * configure: Rebuilt.
16893 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16894 (DTORS_SECTION_ASM_OP): Define.
16895 (INIT_SECTION_ASM_OP): Define.
16896 (FINI_SECTION_ASM_OP): Define.
16897 (DATA_SECTION_ASM_OP): Define.
16898 (TEXT_SECTION_ASM_OP): Define.
16899 (EH_FRAME_SECTION_ASM_OP): Define.
16900 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16901 (STARTFILE_SPEC): Add crtbegin.o.
16902 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16903 to here from LINK_COMMAND_SPEC.
16904 (DO_GLOBAL_CTORS_BODY): Define.
16905 (CRTSTUFF_USE_FINI_SECTION): Define
16906 (HAS_INIT_SECTION): Delete.
16908 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16910 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16912 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16914 * pa.h (PREDICATE_CODES): New.
16916 * genrecog.c (validate_pattern): Condense the destination
16917 non-lvalue message.
16919 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16921 * alpha.md (call-1): Supply missing mode for operator.
16922 (*): Add missing output reload constraints. Remove constraints
16923 from define_splits.
16925 * i386.h (SPECIAL_MODE_PREDICATES): New.
16926 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16927 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16928 (addsi_lea_3): Add missing mode for op 3.
16929 (prologue_set_got, prologue_get_pc): Add missing modes.
16930 (*) Add missing output reload constraints.
16932 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16934 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16935 check for member bit-size overflow and use var_size if it occurs.
16936 (layout_record): Use bitsize_int() to define the type size in bits.
16937 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16938 (layout_decl): Likewise when assigning to DECL_SIZE.
16940 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16942 * genrecog.c (validate_pattern): Typo last change. Verify
16943 that output operands have output reloads.
16945 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16947 * genrecog.c (special_mode_pred_table): New.
16948 (NUM_SPECIAL_MODE_PREDS): New.
16949 (find_operand): New.
16950 (validate_pattern): New argument `insn'. Warn for assignment to
16951 any predicate accepting non-lvalues. Conditionaly warn for
16952 match_operand without a mode. Try much harder to match source
16953 and destination modes on a set.
16954 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16956 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16958 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16960 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16962 * combine.c (simplify_logical): Recognize xor pattern that encodes
16965 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16967 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16970 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16972 * ggc-page.c (MAP_FAILED): Provide default.
16974 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16976 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16977 * sparc.h (PREDICATE_CODES): Update.
16979 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16981 * alpha.c (some_ni_operand): New.
16982 * alpha-protos.h: Declare it.
16983 * alpha.h (PREDICATE_CODES): Update.
16984 * alpha.md (sXaddq reload insns): Use some_ni_operand
16985 for SET_DEST instead of some_operand.
16987 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16988 Jim Wilson <wilson@cygnus.com>
16990 * genrecog.c (maybe_both_true_2): Don't compare modes of
16992 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16993 after find_afterward.
16994 (debug_decision_1): Dump next and afterward codes.
16996 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16998 * rtl.c (dump_and_abort): Remove.
16999 (fatal_with_file_and_line): New.
17000 (fatal_expected_char): New.
17001 (read_rtx_lineno, read_rtx_filename): New.
17002 (read_skip_spaces): Track line number.
17003 (read_name): Use fatal_with_file_and_line.
17004 (read_rtx): Use fatal_expected_char. Track line number.
17005 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17007 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17008 if it isn't a CODE_LABEL.
17010 * genattr.c (main): Set read_rtx_filename.
17011 * genattrtab.c (main): Likewise.
17012 * gencodes.c (main): Likewise.
17013 * genconfig.c (main): Likewise.
17014 * genemit.c (main): Likewise.
17015 * genextract.c (main): Likewise.
17016 * genflags.c (main): Likewise.
17017 * genopinit.c (main): Likewise.
17018 * genoutput.c (main): Likewise.
17019 * genpeep.c (main): Likewise.
17021 * genrecog.c (decision_test.u.insn): Add `lineno'.
17022 (pattern_lineno, error_count): New variables.
17023 (message_with_line): New.
17024 (add_to_sequence): Break out checking code to ...
17025 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17026 (merge_insn): Use message_with_line.
17027 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17028 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17030 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17032 * expr.c (store_constructor): Clear union if constructor is empty.
17034 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17036 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17037 Add !endian checks. Change %{...} to %(...).
17039 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17041 * i386.md (*addsi3_cc): Renamed from addcsi3.
17042 (*addsi3_carry): Renamed from addxsi3.
17043 (*subsi3_cc): Renamed from subcsi3.
17044 (*subsi3_carry): Renamed from subxsi3.
17045 (*xorqi_cc_1): Renamed from xorcqi_1.
17046 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17047 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17049 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17051 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17052 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17054 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17056 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17057 climb up the chain of insns.
17059 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17061 * genrecog.c (write_subroutine): Careful for null trees.
17062 (process_tree): Don't elide empty functions.
17064 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17066 * Makefile.in (genrtl.o): Depend on ggc.h.
17067 * configure.in (valloc): Probe for it.
17068 (with-gc): Use ggc-page if valloc present.
17069 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17070 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17071 (ggc_alloc_string): Moved from ggc-page.c.
17072 * ggc-none.c (ggc_alloc_obj): New.
17073 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17074 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17075 (struct globals): Likewise for dev_zero_fd.
17076 (init_ggc): Likewise for it's initialization.
17077 (ggc_allocated_p): Move careful dereference from ...
17078 (ggc_lookup_page_table): ... here. Delete.
17079 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17080 (alloc_anon): Use valloc if no mmap.
17081 (release_pages): Use free if using valloc.
17082 (ggc_alloc_obj): Renamed from alloc_obj.
17083 (ggc_set_mark): Renamed from mark_obj.
17084 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17085 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17086 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17087 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17088 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17089 (ggc_collect): Use fp printing instead of our own rounding.
17090 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17091 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17092 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17093 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17094 (struct ggc_string, struct ggc_any): Delete.
17095 (offsetof): Provide default definition.
17096 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17098 (struct ggc_mem): New, from corpse of ggc_any.
17099 (struct ggc_status): Delete.
17100 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17101 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17102 (n_strings_collected, n_anys_collected): Delete.
17103 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17104 (ggc_alloc_string, ggc_alloc): Delete.
17105 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17106 (ggc_free_string, ggc_free_any): Delete.
17107 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17108 (ggc_compare_addresses, ggc_mark_string): Delete.
17109 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17110 (search_data): Delete.
17111 (struct globals): New.
17112 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17113 (tree_insert, tree_lookup): New.
17114 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17115 (clear_marks, sweep_objs): New.
17116 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17117 (init_ggc): Set allocated_last_gc.
17118 (ggc_push_context): Gut. Use G.context.
17119 (ggc_pop_context): Likewise.
17120 (ggc_pop_context_1): New.
17121 (debug_ggc_tree): New.
17122 (debug_ggc_balance, tally_leaves): New.
17123 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17124 (ggc_mark_string_if_gcable): Remove decl.
17125 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17126 (ggc_mark_rtvec_children): New.
17127 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17128 (ggc_mark_if_gcable): New decl.
17129 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17130 (ggc_alloc_tree, ggc_alloc): Likewise.
17131 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17132 (ggc_alloc_obj): New decl.
17133 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17134 (ggc_alloc_tree, ggc_alloc): Likewise.
17135 (ggc_set_mark): New decl.
17136 * rtl.h (struct rtx_def): Remove gc_mark.
17137 (struct rtvec_def): Likewise.
17138 * tree.h (struct tree_common): Likewise.
17140 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17142 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17143 float_format and thread_file definitions.
17144 * configure: Rebuilt.
17146 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17148 * extend.texi (Function Names): Document types of function names.
17150 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17152 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17153 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17155 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17157 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17159 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17161 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17163 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17165 * collect2.c (main): Do prelimnary link on AIX if rflag.
17167 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17169 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17170 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17172 (__do_global_dtors): similarly for __DTOR_LIST__.
17174 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17175 Diego Novillo <dnovillo@cygnus.com>
17177 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17180 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17182 * fixincl/*: Merged "no_bogosity" branch
17183 * fixincl/fixlib.h: protect against doubly defining t_bool
17184 * fixincl/server.h: protect against doubly defining t_bool
17186 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17188 * genoutput.c: Include toplev.h.
17190 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17192 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17194 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17195 * configure: Regenerate.
17197 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17199 * gcse.c (delete_null_pointer_checks): Returns void.
17201 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17203 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17204 * emit-rtl.c (copy_insn_1): Likewise.
17206 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17208 * config/mips/mips.c (mips_build_va_list): Correct
17209 TREE_CHAIN setting when hard-float.
17210 (mips_va_start): Use corrected setting.
17211 (mips_va_arg): Likewise. Also pass a tree to build of
17212 POSTINCREMENT_EXPR rather than a naked 'int'.
17214 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17216 * ggc.h (ggc_push_context): Fix comment.
17217 (ggc_pop_context): Likewise.
17218 (mark_string_if_gcable): Likewise.
17219 * ggc-common.c (ggc_mark_rtx_children): Use
17220 ggc_mark_string_if_gcable.
17221 * ggc-page.c (ggc_lookup_page_table): New function.
17222 (ggc_allocated_p): Likewise.
17223 (mark_obj): Fix formatting.
17224 (ggc_mark_string_if_gcable): New function.
17225 * ggc-simple.c (ggc_allocated_strings): New variable.
17226 (ggc_strings_used): Likewise.
17227 (ggc_compare_addresses): New function.
17228 (ggc_pop_context): Pop the `any' memory too.
17229 (ggc_mark_string_if_gcable): New function.
17230 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17232 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17234 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17235 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17236 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17239 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17241 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17242 (sched_reg_live_length, sched_reg_basic_block): Delete.
17243 (current_block_num, bb_live_regs, old_live_regs): Delete.
17244 (dead_notes, struct sometimes): Delete.
17245 (sched_note_set, birthing_insn_p): Delete.
17246 (adjust_priority): Gut useless reg lifetime code.
17247 (create_reg_dead_note, attach_deaths): Delete.
17248 (attach_deaths_insn, new_sometimes_live): Delete.
17249 (finish_sometimes_live): Delete.
17250 (find_pre_sched_live, find_post_sched_live): Delete.
17251 (update_reg_usage): Delete.
17252 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17253 (schedule_insns): Delete reg lifetime code.
17254 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17255 (unlink_other_notes): Adjust REG_NOTE commentary.
17256 (reemit_notes): Use REG_SAVE_NOTE.
17257 (schedule_block): Likewise.
17258 (schedule_region): Allocate bitmap of blocks in region. Use
17259 count_or_remove_death_notes. Use update_life_info.
17261 * rtl.h (REG_SAVE_NOTE): New.
17262 * rtl.c (reg_note_name): Update.
17264 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17266 * combine.c (refresh_blocks, need_refresh): New.
17267 (combine_instructions): Allocate refresh_blocks. Invoke
17268 update_life_info if needed.
17269 (distribute_notes): Mark refresh_blocks instead of installing
17271 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17272 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17274 * Makefile.in (recog.o): Depend on basic-block.h.
17276 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17278 * genrecog.c (add_to_sequence): Thinko last change: delete
17279 shadowing allow_const_int variable.
17281 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17283 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17284 __GNUC__ and __GNUC_MINOR__.
17286 * gansidecl.h: Likewise.
17292 * toplev.h: Likewise.
17294 * tree.c: Likewise.
17296 * tree.h: Likewise.
17298 * varray.c: Likewise.
17300 * varray.h: Likewise.
17302 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17304 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17305 use one before a jump table.
17307 * rtl.def (ADDRESS): Change documentation to match reality.
17308 * md.texi: Don't document it.
17309 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17312 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17314 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17316 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17317 known predicate block; default allow_const_int true.
17318 (debug_decision_list): New.
17320 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17322 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17324 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17326 * gcse.c (gcse_main): Avoid global optimizations if we have a
17327 large number of basic blocks and the ratio of edges to blocks
17329 (delete_null_pointer_checks): Likewise.
17331 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17333 * c-common.c (check_format_info): Warn if format string isn't a
17336 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17338 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17339 * configure: regenerate
17341 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17343 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17344 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17345 (peepholes): Re-enable.
17347 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17349 * Makefile.in (flow.o): Depend on TREE_H.
17350 * basic-block.h (REG_SET_EQUAL_P): New.
17351 (XOR_REG_SET): New.
17352 (n_edges): Declare.
17353 (free_regset_vector): Remove declaration.
17354 (flow_delete_insn_chain): Declare.
17355 (enum update_life_extent): New.
17356 (update_life_info, count_or_remove_death_notes): Declare.
17357 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17358 Verify register live at bb->global_live_at_start before adding USE.
17359 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17360 (CLEAN_ALLOCA): New.
17362 (PROP_*): New flags.
17363 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17364 (clear_edges): Zero n_edges.
17365 (make_edge): Increment n_edges.
17366 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17367 (flow_delete_insn_chain): Export.
17368 (delete_block): Decrement n_edges.
17369 (merge_blocks_nomove): Likewise.
17370 (life_analysis): Give life_analysis_1 PROP flags.
17371 (verify_wide_reg_1, verify_wide_reg): New.
17372 (verify_local_live_at_start): New.
17373 (update_life_info): Rewrite to call into propogate_block.
17375 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17376 always mark stack pointer. Conditionally mark PIC register.
17377 After reload, mark call-saved registers, return regsiters.
17378 (life_analysis_1): Accept PROP flags not remove_dead_code.
17379 Call mark_regs_live_at_end before zeroing regs_ever_live.
17380 Use calculate_global_regs_live. Copy global_live_at_end before
17381 calling final propagate_block. Zero reg_next_use on exit.
17382 (calculate_global_regs_live): New.
17383 (allocate_bb_life_data): Don't allocate bb->local_set.
17384 (init_regset_vector, free_regset_vector): Remove.
17385 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17386 Test flags before every operation. Warn if prologue/epilogue insn
17387 would have been deleted.
17388 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17389 Use alloc_EXPR_LIST.
17390 (mark_used_regs): Accept and use FLAGS, not FINAL.
17391 Remove special handling for RETURN.
17392 (try_pre_increment): Use alloc_EXPR_LIST.
17393 (dump_flow_info): Dump n_edges.
17394 (unlink_insn_chain, split_hard_reg_notes): Remove.
17395 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17396 (find_insn_with_note, new_insn_dead_notes): Remove.
17397 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17398 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17399 (replace_insns): Remove.
17400 (count_or_remove_death_notes): New.
17401 (verify_flow_info): Abort on error after all checks.
17402 (remove_edge): Decrement n_edges.
17403 (remove_fake_edges): Tweak format.
17404 * haifa-sched.c (schedule_insns): Use split_all_insns.
17405 * output.h (update_life_info): Remove declaration.
17406 * recog.c (split_all_insns): From the corpse of split_block_insns,
17407 do the whole function block by block. Use update_life_info.
17408 (recog_last_allowed_insn): New.
17409 (recog_next_insn): Mind it.
17410 (peephole2_optimize): Set it. Walk backwards through blocks.
17411 Use update_life_info.
17412 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17413 (split_all_insns): Declare.
17414 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17415 Use split_all_insns.
17417 * i386.md (or -1 peep2s): Disable.
17419 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17421 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17422 a single pattern. Scrap the 'd' versions as unnecessary.
17424 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17425 tablejump_mips162,tablejump_internal4): The operands to a
17426 label_ref must be VOIDmode.
17428 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17430 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17432 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17434 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17436 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17438 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17439 cache every function if ggc_p.
17441 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17443 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17444 instead of copy_rtx. Accept sequences that contain asm statements.
17445 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17446 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17447 orig_asm_operands_vector, copy_asm_operands_vector,
17448 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17450 * rtl.h (copy_insn, copy_insn_1): Declare.
17452 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17454 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17456 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17457 arguments to `current_file_function_operand'.
17459 * genrecog.c: Include hard-reg-set.h and resource.h in the
17460 generated output file.
17462 * real.c: Include tm_p.h.
17464 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17466 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17469 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17471 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17472 before the fctiwz insn.
17474 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17475 Mark Mitchell <mark@codesourcery.com>
17477 * tree.c (make_lang_type_fn): New funtion pointer.
17478 (make_lang_type): Call it.
17479 * tree.h (make_lang_type): Declare.
17480 (make_lang_type_fn): Likewise.
17481 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17483 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17485 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17486 make sure that HIGH instructions are copied into BASE_REGS.
17488 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17490 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17492 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17494 * c-decl.c (finish_struct): Use simpler method of
17495 removing elements of a singly-linked list.
17497 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17499 * alpha.md (peephole2's): Comment out peephole2's that generate
17502 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17504 * genrecog.c (add_to_sequence): Disable mode check for
17507 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17509 * ggc-simple.c (init_ggc): Set empty_string.
17511 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17513 * configure.in: Detect mmap. Add --with-gc=foo to select
17514 garbage collector; default to page if mmap available.
17515 * Makefile.in (GGC): Substitute.
17517 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17519 * c-decl.c (ggc_p): Enable.
17521 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17523 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17525 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17527 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17528 string for little-endian-data.
17530 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17532 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17533 case somebody tries to compile --enable-checking code with gcc
17536 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17538 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17541 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17543 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17544 * jump.c (jump_optimize_1): Document why.
17546 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17548 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17549 pointers and casts for `int_handler' and `quit_handler'.
17551 * flow.c (verify_flow_info, split_hard_reg_notes,
17552 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17553 remove_edge, remove_fake_successors): Add static prototypes.
17554 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17555 (mark_set_1): Initialize variable `regno'.
17556 (unlink_insn_chain): Likewise for variable `curr'.
17557 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17559 * loop.c (strength_reduce): Initialize variable
17560 `unrolled_insn_copies'.
17561 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17562 prototypes. Change these functions to take const PTR parameters
17563 to avoid prototype conflict when used as the comparson argument
17565 (check_dbra_loop): Initialize variable `comparison_val'.
17567 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17568 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17569 (find_valid_class): Initialize variable `best_class'.
17570 (find_reloads): Call memcpy, not bcopy.
17572 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17573 (hard_reg_use_compare): Don't needlessly cast away const.
17574 (reload_reg_class_lower): Likewise.
17575 (choose_reload_regs): Initialize variable `regno'.
17577 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17579 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17581 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17583 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17584 ({,d}discard): Add forward declarations. Declare parameter as
17586 (main_without_main): Explicitly declare return type to be int.
17587 (memcpy): Properly declare.
17589 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17590 building the trampoline support, declare malloc, free, and
17592 (__clear_cache): Mark arguments as potentially unused.
17594 * frame.c (toplevel): If inhibit_libc is defined, declare
17597 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17599 * flow.c (make_edge): Accept an optional 2D bitmap in which
17600 to cache edge existence. Update all callers.
17601 (make_label_edge, make_eh_edge): Pass through the edge cache.
17602 (make_edges): Provide the cache.
17604 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17606 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17608 (local_mbtowc): Change the type of variable `i' from int to size_t.
17610 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17611 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17613 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17615 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17616 after other includes that define the appropriate types. Include
17617 tm_p.h for getting user prototypes.
17618 * ggc-callbacks.c (toplevel): Ditto.
17619 * ggc-none.c (toplevel): Ditto.
17620 * gcc-page.c (toplevel): Ditto.
17621 * ggc-simple.c (toplevel): Ditto.
17623 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17624 Jonathan Larmour <jlarmour@cygnus.co.uk>
17626 * config/mips/mips.c (mips_move_2words): Split doubles if
17627 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17629 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17631 * genrecog.c (struct decision_test): New.
17632 (struct decision): Remove test-related members, sort the rest by size.
17633 (IS_SPLIT): Simplify.
17634 (new_decision, new_decision_test): New.
17635 (add_to_sequence): Use them. No special handling for args of
17637 (maybe_both_true): Renamed from not_both_true; return sense changed.
17638 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17639 of maybe_both_true and adjusted for decision_test.
17640 (position_merit): Remove.
17641 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17642 (merge_accept_insn): New, broken out of merge_trees.
17643 (merge_trees): Use them. No special case for c_test; no node
17644 splitting; use test type instead of position_merit.
17645 (factor_tests): New.
17646 (simplify_tests): New.
17647 (break_out_subroutines): Don't write code now.
17648 (find_afterward): New.
17649 (write_afterward, write_switch, write_cond): New.
17650 (write_action, is_unconditional): New.
17651 (write_node): New. Use them.
17652 (write_tree_1): Rewrite. Use the new functions above.
17653 (write_tree): Remove afterward processing.
17654 (write_subroutine): Simplify function variant emission.
17655 (write_subroutines): New.
17656 (same_codes, clear_codes): Remove.
17657 (same_modes, clear_modes): Remove.
17658 (write_header): New, broken out of main.
17659 (make_insn_sequence): Use new_decision and new_decision_test.
17660 (process_tree): New, broken out of main.
17661 (main): Adjust for merge_trees interface change.
17662 Don't #define operands in the output file.
17663 (record_insn_name): New, broken out of make_insn_sequence.
17664 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17665 (debug_decision): New.
17667 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17669 * resource.c (find_free_register): Mark class_str argument const.
17670 * resource.h: Update prototype to match.
17672 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17673 * i386.md: Give all anonymous insns names.
17675 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17677 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17680 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17682 * toplev.c (dbr_sched_time): Unconditional.
17683 (peephole2_time): New.
17684 (compile_file): Add pass numbers to all of the dump file suffixes.
17685 Dump peephole2_time. Don't dump times for non-applicable passes.
17686 (rest_of_compilation): Add pass numbers to dump file suffixes.
17687 Conditionalize calls to the scheduler.
17688 * invoke.texi: Update.
17690 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17692 * flow.c (make_edges): Fix insn iteration.
17693 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17694 (find_basic_blocks_1): Fix spelling mistake.
17696 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17698 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17699 always have side-effects. Use memset not bzero.
17700 (make_node): Likewise.
17702 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17704 * stmt.c (expand_anon_union_decl): When any of the elements of the
17705 union is addressable, so is the entire union.
17707 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17709 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17711 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17712 * bitmap.c (bitmap_operation): Return true iff TO changed.
17713 (bitmap_equal_p): New.
17714 (bitmap_bit_p): Tidy arithmetic.
17715 (debug_bitmap_file): Likewise.
17717 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17719 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17720 before cse2 instead of after.
17722 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17724 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17727 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17729 * cppinit.c (is_idchar initializer): Loosen tests to accept
17732 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17734 * mips.md: Define conditional move patterns for floating point
17735 operands and DI mode conditions.
17737 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17739 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17740 always have side-effects.
17742 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17744 * mn10200.c (asm_file_start): Fix typo.
17746 * cppinit.c (is_idchar initializer): Tighten tests for when
17747 to put the table into initialized memory.
17749 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17750 not an array of rtunion.
17751 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17752 * gcc-simple (ggc_free_rtvec): Similarly.
17754 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17757 * mbchar.h: Add missing #endif.
17759 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17760 (FPBIT, DPBIT): Define.
17762 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17764 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17766 * profile.c (instrument_arcs, output_gcov_string,
17767 tablejump_entry_p): Add static prototypes.
17768 (output_gcov_string): Constify a char*.
17770 * regmove.c (replacement_quality, fixup_match_2): Add static
17773 * resource.h (reg_dead_p): Add extern prototype.
17775 * rtl.c (trim_filename): Add static prototype.
17777 * scan-decls.c (skip_to_closing_brace): Likewise.
17779 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17780 (expand_end_case): Initialize variable `range'.
17781 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17783 * varasm.c (asm_emit_uninitialised): Add static prototype.
17784 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17787 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17789 * cpplib.c (if_directive_nameo): Add static prototype.
17791 * cse.c (cse_insn): Remove unused variable `p'.
17793 * except.c (create_rethrow_ref, push_entry,
17794 receive_exception_label, new_eh_region_entry, find_func_region,
17795 clear_function_eh_region, process_nestinfo): Add static prototypes.
17796 (get_reg_for_handler): Hide definition.
17797 (process_nestinfo): Initialize variable `extra_handlers'.
17799 * expr.h (expand_builtin_longjmp): Add extern prototype.
17801 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17803 * function.c (prepare_function_start): Likewise.
17804 (pop_function_context_from): Mark parameter `context' with
17806 (push_temp_slots_for_block, flush_addressof): Hide definition.
17808 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17809 solve_program_flow_graph, calculate_branch_probs,
17810 function_summary, main, fancy_abort): Add prototypes.
17812 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17813 (add_hash): Constify a char*.
17815 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17816 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17817 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17819 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17821 * lists.c (free_list, zap_lists): Likewise.
17823 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17825 * alias.c (nonlocal_reference_p): Add static prototype.
17827 * bitmap.c (bitmap_element_allocate): Prototype args in function
17830 * builtins.c (stabilize_va_list): Add static prototype.
17831 (expand_builtin_va_arg): Constify a char*.
17833 * c-lex.c (getch, put_back, extend_token_buffer_to,
17834 read_line_number, token_getch, token_put_back): Add static
17837 * c-parse.gperf (hash, is_reserved_word): Likewise.
17839 * cccp.c (is_dir_separator): Likewise.
17841 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17843 * graph.h: New file to prototype functions exported by graph.c.
17845 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17847 * graph.c: Include graph.h.
17849 * toplev.c: Likewise. Remove redundant prototypes.
17851 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17853 * invoke.texi: Removed duplicated description for -Q.
17855 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17857 * extend.texi: Grammar fix in __extension__ text.
17859 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17861 * md.texi (define_peephole2): New section.
17863 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17865 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17866 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17869 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17871 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17873 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17875 * i386.md (ffs expander): Emit Pentium friendly code for
17878 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17880 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17882 (build1): Likewise.
17884 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17886 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17888 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17890 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17891 register is in use.
17893 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17895 * md.texi (No Constraints): Delete section.
17896 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17897 * final.c (final_scan_insn): We always have register constraints.
17898 * genattrtab.c: Don't include "insn-config.h".
17899 (write_attr_case): We always have register constraints.
17900 * genconfig.c (register_constraint_flag): Delete.
17901 (walk_insn_part): Don't check whether we have register constraints.
17902 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17903 * genoutput.c (have_constraints): Delete.
17904 (main): Don't set it.
17905 (output_operand_data): We always have constraints.
17906 (scan_operands): Likewise.
17907 (compare_operands): Likewise.
17908 * local-alloc.c (block_alloc): We always have constraints.
17909 (requires_inout): Always compile this function.
17910 * recog.c (extract_insn): We always have constraints.
17911 (constrain_operands, reg_fits_class_p): Always compile these
17913 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17915 (struct insn_operand_data): Likewise.
17916 * regclass.c (regclass): We always have constraints.
17917 (record_reg_classes, copy_cost, record_address_regs,
17918 auto_inc_dec_reg_p): Always compile these functions.
17919 * regmove.c (regmove_optimize): We always have constraints.
17920 * reload.c (find_reloads): Likewise.
17921 * reload1.c (reload): Likewise.
17922 (reload_cse_simplify_operands): Likewise.
17923 * i860.c (output_delay_insn): Likewise.
17925 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17927 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17929 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17931 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17932 for the va_list record.
17934 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17936 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17939 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17941 * alias.c: Include insn-flags.h.
17942 * Makefile.in (alias.o): Update.
17944 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17946 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17947 to LTU and GEU. Handle more cases using sbb.
17949 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17951 * i386.md (truncatexfdf splitters): Do not use subreg.
17952 (fop XFmode patterns): Fix mode in operand testing.
17954 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17956 * jump.c (jump_optimize_1): Amend last change to test only the
17957 form of the operand, not the insn.
17959 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17960 not register_operand to determine when B may need preloading.
17962 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17964 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17965 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17966 (call-value patterns): Move to end of file.
17967 (*): Remove mode from label_ref in (pc) context.
17968 (movstrqi): Use memory not general_operand for BLKmode operands.
17969 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17970 to register_operand operands.
17971 (peep2 patterns): Convert from commented-out peephole patterns.
17973 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17975 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17976 to BUILT_IN_INIT_DWARF_REG_SIZES.
17977 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17978 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17979 expand_builtin_init_dwarf_reg_sizes.
17980 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17981 with __builtin_init_dwarf_reg_size_table.
17982 * dwarf2out.c (struct reg_size_range): Delete.
17983 (expand_builtin_init_dwarf_reg_sizes): New function.
17984 (expand_builtin_dwarf_reg_size): Delete.
17985 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17986 (expand_builtin_dwarf_reg_size): Don't declare.
17987 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17988 (dwarf_reg_size_table): New.
17989 (init_reg_size_table): New function.
17990 (copy_reg): Use dwarf_reg_size_table.
17991 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17994 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17996 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17997 Correctly build argument list to constructor and destructor functions.
17999 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18001 * c-tree.h (warn_float_equal): Declare.
18002 * c-decl.c (warn_float_equal): Define.
18003 (c_decode_option): Recognize -W[no-]float-equal.
18004 * c-typeck.c (build_binary_op): Conditionally warn
18005 about equality tests of floating point types.
18006 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18007 * invoke.texi: Add docs for -Wfloat-equal warning.
18009 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18011 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18012 generating RTL directly.
18013 * mips.h (INIT_TARGET_OPTABS): Likewise.
18014 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18016 * expr.h (init_mov_optab): Delete declaration
18018 * h8300.c (WORD_REG_USED): Update to avoid useless register
18019 saves in interrupt functions and functions which never return.
18021 * cse.c (struct set): Delete inner_dest_loc field.
18022 (cse_insn): Remove assignments to inner_dest_loc field.
18024 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18026 * ggc-page.c: Don't include <unistd.h> etc taken care of
18027 by "system.h". Include <sys/mman.h> afterward.
18029 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18031 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18034 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18036 * xcoffout.c (xcoffout_declare_function): Add documentation.
18037 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18038 TARGET_64BIT. Compare constant to -1, not bit pattern.
18039 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18040 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18043 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18045 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18046 origin_die is NULL.
18047 (gen_inlined_enumeration_type_die): Do not abort if the type has
18048 not been writeen out.
18049 (gen_inlined_structure_type_die): Do not abort if the type has
18050 not been writeen out.
18051 (gen_inlined_union_type_die): Do not abort if the type has
18052 not been writeen out.
18053 (gen_tagged_type_instantiation_die): Do not abort if the type
18054 has not been written out.
18056 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18058 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18060 * reg-stack.c (straighten_stack): Copy hard reg set with
18063 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18065 * builtins.c (stabilize_va_list): Stabilize array type va_list
18066 to a pointer type, not the base record type.
18067 (expand_builtin_va_copy): Dereference the pointers explicitly;
18068 use the correct size for the copy.
18070 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18071 (rs6000_va_arg): Likewise.
18073 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18075 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18077 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18079 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18081 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18083 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18085 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18086 (init_ggc): Use it instead of a constant.
18087 (ggc_collect): Bound allocated_last_gc by it.
18089 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18091 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18094 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18096 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18097 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18098 * configure: Regen.
18099 * config/mips/openbsd.h: New, OpenBSD little endian target.
18100 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18101 * config/mips/xm-openbsd.h: New, OpenBSD host.
18103 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18105 * config/m68k/m68k.c (output_function_prologue,
18106 output_function_epilogue): Use
18107 current_function_uses_pic_offset_table instead of regs_ever_live
18108 to decide whether to save/restore pic register.
18109 (legitimize_pic_address): Don't modify regs_ever_live any more.
18111 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18113 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18114 * stor-layout.c (variable_size): Don't add sizes to the pending
18115 sizes list if x_dont_save_pending_sizes_p is set.
18117 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18119 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18120 for symbolic_operand().
18121 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18123 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18125 * combine.c (gen_rtx_combine): Add missing call to va_end().
18127 * final.c (asm_fprintf): Likewise.
18129 * genattrtab.c (attr_rtx): Likewise.
18131 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18133 * cse.c: Update comments.
18134 (cse_insn): When converting a conditional/computed jump into
18135 an unconditional jump, always make sure a BARRIER immediately
18136 follows the converted jump. Do not delete unreachable code.
18137 (cse_basic_block): Do not delete unreachable code.
18138 * toplev.c (rest_of_compilation): Move call to
18139 delete_trivially_dead_insns after the conditional call to
18142 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18144 * collect2.c (make_temp_file): Don't prototype.
18146 * gcc.c (make_temp_file): Likewise.
18148 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18150 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18152 * varasm.c (asm_emit_uninitialised): New function: Generate
18153 the assembler statements necessary to declare an uninitialised
18155 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18157 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18158 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18160 (assemble_variable): Use asm_emit_uninitialised to emit an
18161 uninitialised variable.
18163 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18165 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18166 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18167 <geoffk@cygnus.com>.
18169 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18171 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18172 * c-common.h (builtin_function): Don't declare.
18174 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18176 (pushdecl): Likewise.
18177 (finish_decl): Likewise.
18178 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18179 int. All callers changed.
18180 Set the builtin's DECL_BUILT_IN_CLASS.
18181 * tree.h (enum built_in_class): New.
18182 (enum built_in_function): Delete NOT_BUILT_IN.
18183 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18185 (DECL_SET_FUNCTION_CODE): Likewise.
18186 (DECL_BUILT_IN_CLASS): New macro.
18187 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18188 (struct tree_decl): Split builtin function code field into a
18190 (builtin_function): Declare.
18192 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18194 * optabs.c (init_traps): Fix typo in last change.
18196 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18198 * toplev.c (rest_of_decl_compilation): Update comment.
18200 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18202 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18203 in .sbss if appropriate.
18204 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18205 (SBSS_SECTION_ASM_OP): New macro.
18206 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18207 (EXTRA_SECTIONS): Add in_sbss.
18208 * config/mips/mips.h: Prototype sbss_section.
18210 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18212 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18215 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18217 * optabs.c (init_traps): Register trap_rtx as a GC root.
18219 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18221 * config/mips/mips.c (function_arg_pass_by_reference): Define
18222 unconditionally, since it's called unconditionally.
18224 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18226 * toplev.c (documented_lang_options): Add -fshort-wchar.
18227 * c-decl.c (c_decode_option): Likewise.
18228 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18230 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18231 * gcc.c (default_compilers): If -fshort-wchar,
18232 override __WCHAR_TYPE__.
18233 * tm.texi (C Dialect Options): Add -fshort-wchar.
18235 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18236 symbol for a variable.
18238 * cpplib.h (CPP_PREPROCESSED): New macro.
18239 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18240 we're seeing this input for a second time.
18242 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18244 * emit-rtl.c (init_emit_once): Initialize modes first.
18246 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18248 * config/i386/i386.c (pic_label_name): Change to char pointer.
18249 (global_offset_table): New variable.
18250 (load_pic_register): Fill global_offset_table if it hasn't
18251 already been done. Allocate pic_label_name dynamically.
18252 * ggc.h (empty_string): New variable.
18253 * ggc-simple.c (empty_string): Likewise.
18254 (init_ggc): Allocate empty_string and add as root.
18255 * stmt.c (digit_strings): New variable.
18256 (init_stmt): Add last_block_end_note as root. Allocate and
18257 initialize digit_strings.
18258 (expand_asm_operands): Use empty_string instead of string
18259 constant. Use digit_strings instead of string constants.
18260 * profile.c (init_arc_profiler): Allocate string with
18261 ggc_alloc_string instead of xmalloc.
18262 (output_func_start_profiler): Likewise.
18263 * c-typeck.c (digest_init): Check if init is error_mark_node.
18265 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18266 Richard Henderson <rth@cygnus.com>
18268 * ggc-page.c: New file.
18269 * Makefile.in (ggc-page.o): New.
18271 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18273 * invoke.texi: Document -fdelete-null-pointer-checks
18274 * toplev.c (flag_delete_null_pointer_checks): New.
18275 (f_options): Add entry for -fdelete-null-pointer-checks.
18276 (rest_of_compilation): Conditionalize null pointer check
18277 elimination on flag_delete_null_pointer_checks.
18278 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18280 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18282 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18283 copyright notice and special exception to GPL.
18285 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18287 * abi64.h (mips_function_value): Add prototype arguments.
18289 * mips-protos.h: New file with mips prototypes.
18291 * mips.c: Include "tm_p.h".
18292 (mktemp, lookup_name): Add prototype arguments.
18293 (extern_list, string_constant, mips_fill_delay_slot,
18294 mips_output_external, mips_output_external_libcall,
18295 mips_output_filename, mips_declare_object, function_prologue,
18296 mips_expand_prologue, function_epilogue, mips16_constant,
18297 build_mips16_function_stub, mips_output_conditional_branch):
18299 (mips_va_start): Remove unused variable `u'.
18300 (mips_va_arg): Cast value to unsigned when comparing against one.
18302 (save_restore_insns, mips_expand_prologue): Add missing arg in
18303 call to `large_int'.
18305 * mips.h: Move prototypes to mips-protos.h.
18306 (data_section, memory_address_p, rdata_section,
18307 readonly_data_section, simple_epilogue_p, text_section): Delete
18308 prototypes delcared elsewhere.
18309 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18311 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18313 * mips.md: Delete extra args in call to `mips_move_2words'.
18315 * xm-iris6.h (alloca): Add prototype argument.
18317 * genpeep.c: Include "tm_p.h" in generated output file.
18319 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18321 * basic-block.h (find_edge_index): Change parameters.
18322 * flow.c (verify_edge_list): Pass basic_block parameters to
18323 find_edge_index instead of integers.
18325 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18327 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18330 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18332 * gcc.1: Fix a formatting error.
18334 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18336 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18337 i786, mn10200, mn10300, pdp11, v850.
18339 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18341 * libgcc2.c (num_digits): Add prototype with
18342 __attribute__((const)).
18343 (__terminate): Add prototype.
18345 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18347 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18349 * alpha/alpha.c (print_operand): Fix type of `code'.
18350 (alpha_output_filename): Constify.
18351 * alpha/alpha.h: Move all function declarations ...
18352 * alpha/alpha-protos.h: ... here. New file.
18353 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18354 (SECTION_FUNCTION_TEMPLATE): Likewise.
18356 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18358 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18359 * expr.c (expand_expr): Likewise.
18360 (do_jump): Likewise.
18361 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18362 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18364 (enum can_compare_purpose): New.
18365 (can_compare_p): Adjust prototype.
18366 (prepare_cmp_insn, prepare_operand): Declare.
18367 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18368 * optabs.c (cmp_available_p): Deleted.
18369 (expand_abs): Pass ccp_jump to can_compare_p.
18370 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18371 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18372 Call can_compare_p rather than cmp_available_p.
18373 (prepare_operand): No longer static.
18374 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18375 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18376 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18377 sequence to use emit_cmp_and_jump_insns.
18378 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18380 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18382 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18383 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18384 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18385 (plus (reg) (const_int 0))
18386 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18388 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18390 * rs6000.c (expand_block_move): DImode loads and stores require
18391 word-aligned displacements. Increment address registers with
18392 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18394 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18396 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18397 is no name for the base type, rather than segfault. If we are
18398 writing out a complex integer type, use DW_ATE_lo_user.
18400 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18401 in one word or less (complex char, complex short, or on 64 bit
18402 systems complex float) to/from a hard register, copy it through
18403 memory instead of dying in gen_{real,imag}part. If we have a
18404 short complex type, prevent inlining since it allocates stack
18407 * tree.c (build_complex_type): If we are writing dwarf2 output,
18408 generate a name for complex integer types.
18410 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18412 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18413 * flow.c (remove_edge): Remove extra whitespace.
18414 (remove_fake_edges): Fix comment.
18415 (add_noreturn_fake_exit_edges): Use the correct name.
18417 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18419 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18420 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18421 (clean): Depend on INTL_CLEAN.
18422 (maintainer-clean): Adjust.
18424 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18426 * configure.in (AC_PREREQ): Bump to 2.13.
18427 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18429 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18431 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18433 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18435 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18436 (HAVE_STRINGIZE): Define.
18438 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18440 * c-parse.in: save and restore warn_pointer_arith on __extension__
18441 along with pedantic.
18442 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18443 Set the type of extension to itype rather than $<itype>1 kludge.
18444 * extend.texi (Alternate Keywords): Adjust documentation.
18445 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18447 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18449 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18450 most assembler templates.
18452 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18453 FP loads and stores.
18454 (following_call): Always return zero for the PA8000.
18455 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18456 FP loads and stores.
18457 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18459 * pa.h (BRANCH_COST): Define.
18461 * pa.md (return, return_internal): Use bve for PA2.0.
18463 * pa.md (fused multiply): Add variants which reduce height for the
18464 fused multiply, but which still generate 2 insns.
18465 (fnegabs): Similarly.
18467 * pa.md (subsi3): Turn into an expander. Create two anonymous
18468 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18469 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18471 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18473 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18475 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18476 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18478 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18481 * flow.c (record_active_eh_regions): Terminate loop after finding
18482 the last insn in the last basic block.
18484 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18486 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18488 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18490 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18492 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18494 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18495 splitting to not use output template.
18497 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18499 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18500 * config/c4x/c4x.c (c4x_va_start): New function.
18502 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18504 * genrecog.c (not_both_true): Handle correctly cases when called for
18505 tests with different positions in the insn.
18507 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18509 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18511 * system.h (HOST_PTR_PRINTF): ... to here.
18513 * mips-tfile.c: Don't include machmode.h.
18515 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18516 (mips-tfile.o): Don't depend on machmode.h.
18518 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18520 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18521 avoid conflicts with typedef struct `region' at the top level scope.
18523 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18525 * basic-block.h (basic_block): Add eh_beg, eh_end.
18526 * flow.c (entry_exit_blocks): Update.
18527 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18528 Call new functions.
18529 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18530 lists.c functions to allocate insn lists.
18531 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18533 (make_eh_edge): ... here. New.
18534 (move_stray_eh_region_notes): New.
18535 (record_active_eh_regions): New.
18536 (delete_unreachable_blocks): Split out block merging ...
18537 (try_merge_blocks): ... here. New.
18538 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18539 Dump debugging data.
18540 (merge_blocks_move_successor_nojumps): Likewise.
18541 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18543 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18545 * extend.texi (Bound member functions): Document unbound pmf
18548 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18550 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18551 has the EXIT_BLOCK as a dest.
18553 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18555 * flow.c (remove_edge): New function to remove an edge from the
18557 (remove_fake_successors): New function to remove fake successor edges.
18558 (remove_fake_edges): New function to remove all fake edges from the
18560 (add_fake_exit_edges): New function to add fake edges from all blocks
18561 with no successors to the exit block.
18562 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18563 prototypes for new functions.
18565 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18567 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18568 Use Pmode to determine whether to output .dword or .word.
18570 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18572 * tree.c (built_in_filename): New variable.
18573 (BUILT_IN_FILENAME): New macro.
18574 (init_tree_codes): Allocate built_in_filename.
18575 (make_node): Use built_in_filename instead of string constant.
18577 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18579 * configure.in: Add fr30 target.
18580 * configure: Regenerate.
18581 * config/fr30: New directory.
18582 * config/fr30/crti.asm: New file.
18583 * config/fr30/fr30.c: New file.
18584 * config/fr30/crtn.asm: New file.
18585 * config/fr30/fr30.h: New file.
18586 * config/fr30/fr30.md: New file.
18587 * config/fr30/lib1funcs.asm: New file.
18588 * config/fr30/t-fr30: New file.
18589 * config/fr30/xm-fr30.h: New file.
18591 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18593 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18594 BARRIER at the end of the successor, not the BARRIER before
18597 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18599 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18601 * stmt.c (any_pending_cleanups): Don't crash when
18602 current_function->stmt is unset.
18604 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18606 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18607 other initializations that may use it for relative offsets.
18609 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18611 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18612 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18613 * config/i386/sol2dbg.h: Removed.
18614 * config/i386/sol2gas.h: New file, to enable gas work-around.
18615 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18616 Don't use sol2dbg.h.
18617 * configure: Rebuilt.
18619 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18621 * invoke.texi (-fthis-is-variable): Remove documentation.
18623 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18625 * basic-block.h (compute_bb_for_insn): Declare.
18626 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18627 to use; set size of basic_block_for_insn directly.
18628 (find_basic_blocks): Update.
18630 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18632 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18634 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18636 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18637 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18639 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18641 * c-decl.c (c_decode_option): Extend comment.
18643 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18645 * toplev.c (progname): Make 'const char *'
18646 (flag_print_mem): Move out of main.
18647 (version_flag): Move out of main.
18648 (filename): Move out of main.
18649 (debug_args): Remove g prefix from options.
18650 (documented_lang_options): Remove cpplib specific options.
18651 (display_help): Add g prefix to debug options.
18652 (check_lang_option): Delete this function.
18653 (decode_d_option): New function: Decode -d... option.
18654 (decode_f_option): New function: Decode -f... option.
18655 (decode_W_option): New function: Decode -W... option.
18656 (decode_g_option): New function: Decode -g... option.
18657 (independent_decode_option): New function: Decode a language
18658 independent command line option.
18659 (main): Invoke lang_decode_option and then
18660 independent_decode_option on each command line option in
18663 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18665 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18666 * fold-const.c (fold_range_test): Do not try to fold the range
18667 test if the rhs or lhs has side effects.
18669 * basic-block.h (compute_flow_dominators): Declare.
18671 * gcse.c (alloc_code_hoist_mem): New function.
18672 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18673 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18674 (hoist_code, one_code_hoisting_pass): Likewise.
18675 (gcse_main): If optimizing for size, then hoist expressions
18676 computed in multiple dominated basic blocks.
18678 * gcse.c (invalid_nonnull_info): New function.
18679 (delete_null_pointer_checks): Likewise.
18680 * rtl.h (delete_null_pointer_checks): Declare.
18681 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18683 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18684 (merge-blocks_move_successor_nojumps): Likewise.
18685 (merge_blocks): Allow merging of some blocks, even if it requires
18686 physical movement of the blocks, but not if it requires new jumps.
18688 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18689 Callers and prototype changed.
18690 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18692 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18694 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18695 -YP when both -p and -pg are present. From i386/sol2.h.
18697 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18699 * Makefile.in (distclean): Delete tm_p.h.
18700 * configure.in: Create a new file, "tm_p.h", from a list in
18701 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18702 "i386/i386-protos.h".
18704 * alias.c: Include "tm_p.h".
18705 * c-typeck.c: Likewise.
18706 * calls.c: Likewise.
18708 * emit-rtl.c: Likewise.
18709 * explow.c: Likewise.
18710 * expmed.c: Likewise.
18711 * expr.c: Likewise.
18712 * final.c: Likewise.
18713 * flow.c: Likewise.
18714 * fold-const.c: Likewise.
18715 * function.c: Likewise.
18716 * gcse.c: Likewise.
18717 * global.c: Likewise.
18718 * haifa-sched.c: Likewise.
18719 * integrate.c: Likewise.
18720 * jump.c: Likewise.
18721 * local-alloc.c: Likewise.
18722 * loop.c: Likewise.
18723 * optabs.c: Likewise.
18724 * recog.c: Likewise.
18725 * reg-stack.c: Likewise.
18726 * regclass.c: Likewise.
18727 * regmove.c: Likewise.
18728 * reload.c: Likewise.
18729 * reload1.c: Likewise.
18730 * reorg.c: Likewise.
18731 * resource.c: Likewise.
18732 * stmt.c: Likewise.
18733 * stor-layout.c: Likewise.
18734 * toplev.c: Likewise.
18735 * tree.c: Likewise.
18736 * unroll.c: Likewise.
18737 * genattrtab.c (main): Make generated file include "tm_p.h".
18738 * genemit.c (main): Likewise.
18739 * genoutput.c (main): Likewise.
18740 * genrecog.c (main): Likewise.
18742 * i386.h: Delete all prototypes.
18743 * i386.c: Include "tm_p.h".
18744 (ix86_attr_length_default): Call constant_call_address_operand
18745 with correct number of arguments.
18746 * i386-protos.h: New file.
18747 * i386.md (unnamed patterns): Call constant_call_address_operand
18748 with correct number of arguments.
18749 (exception_receiver): Call load_pic_register with correct number
18752 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18754 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18756 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18758 * rtl.h (insns_safe_to_move_p): New function.
18759 * loop.c (find_and_verify_loops): Use it.
18760 * rtlanal.c (insns_safe_to_move_p): Define it.
18762 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18764 * c-pragma.c: Include ggc.h.
18765 * Makefile.in (c-pragma.o): Update.
18767 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18769 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18770 (LIB_SPEC): Likewise.
18771 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18772 Reindent -YP/-p/-pg.
18773 Copied from config/sparc/sol2.h.
18775 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18777 * c-pragma.c (mark_align_stack): New.
18778 (init_pragma): New.
18779 * c-pragma.h (init_pragma): Declare it.
18780 * c-lex.c (init_parse): Call it.
18782 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18784 * configure.in: Pick up thread library on Solaris/x86 just
18785 like on Solaris/sparc.
18786 * configure: Rebuilt.
18788 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18790 * rtl.h (global_rtx_index): New enum.
18791 (global_rtl): Change to array of rtx.
18792 (pc_rtx, cc0_rtx): Redefine accordingly.
18793 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18794 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18795 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18796 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18797 (const_int_rtx): Change to array of rtx.
18798 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18800 * emit-rtl.c (global_rtl): Change to array of rtx.
18801 (const_int_rtx): Change to aray of rtx.
18802 (gen_rtx_CONST_INT): Redefine accordingly.
18803 (init_emit_once): Allocate and initialize global_rtl. Likewise
18804 for const_int_rtx. Add both as GC roots.
18805 * genattrtab.c (global_rtl): Update declaration.
18807 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18809 * Makefile (USER_H): Add iso646.h back.
18811 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18813 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18814 zapping the LOG_LINKS of sched_before_next_call.
18816 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18817 * pa.c (insn_refs_are_delayed): Renamed from
18818 insn_sets_and_refs_are_delayed.
18820 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18822 * functiion.h (struct function): Add x_whole_function_mode_p.
18823 (retrofit_block): Declare.
18824 * function.c (retrofit_block): New function.
18825 (identify_blocks): Add assertions. Allow an incomplete set of
18826 block notes if we're still generating code for the function.
18827 * integrate.c: Include loop.h.
18828 (expand_inline_function): Call find_loop_tree_blocks to map block
18829 notes to blocks when in whole-function mode. Use retrofit_block
18830 to insert new BLOCKs for the inlined function, rather than
18832 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18833 * Makefile.in (integrate.o): Depend on loop.h.
18835 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18837 * tree.h (warn_about_unused_variables): Declare.
18838 * stmt.c (warn_about_unused_variables): New function, split out
18840 (expand_end_bindings): Here.
18842 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18844 * stmt.c (preserve_subexpressions_p): Don't crash when
18845 current_function->stmt is unset.
18847 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18849 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18850 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18851 (expand_start_target_temps): Use it.
18852 * except.c (expand_eh_region_start_for_decl): Likewise.
18853 * expr.c (expand_expr): Likewise.
18855 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18857 * fold-const.c (operand_equal_p): Pay attention to side effects.
18859 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18861 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18862 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18864 * tlink.c (scan_linker_output): Look for keywords before accepting
18865 a mangled name in quotes.
18867 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18869 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18870 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18872 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18874 * alpha.md: Revert Thu Nov 26 change that came in through the
18875 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18876 Avoid earlyclobber when possible.
18878 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18880 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18882 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18883 Define HAVE_ON_EXIT.
18885 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18887 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18888 CTYPE_CONV in all ctype macros.
18890 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18893 * cexp.y (initialize_random_junk): Likewise.
18895 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18897 * i370.c (handle_pragma): Likewise.
18899 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18901 * v850.c (override_options): Likewise.
18903 * doprint.c (_doprnt): Likewise.
18905 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18908 * fixinc/server.c (load_data): Likewise.
18910 * fold-const.c (real_hex_to_f): Likewise.
18912 * genattr.c (write_upcase, gen_attr): Likewise.
18914 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18915 write_upcase): Likewise.
18917 * genemit.c (print_code): Likewise.
18919 * genopinit.c (gen_insn): Likewise.
18921 * genpeep.c (print_code): Likewise.
18923 * genrecog.c (print_code): Likewise.
18925 * optabs.c (init_libfuncs): Likewise.
18927 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18929 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18931 (reemit_notes): Likewise.
18933 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18935 * ggc.h (ggc_root): Move to ggc-common.c.
18937 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18938 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18939 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18940 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18941 * ggc-common.c (ggc_root): Move from ggc.h.
18942 (roots): Declare, static.
18943 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18944 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18945 null or check/set mark bit.
18946 (ggc_mark_roots): New.
18947 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18949 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18951 * m32r.c: Include toplev.h.
18952 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18953 (gen_compare): Rename swap_p to must_swap to match uses.
18954 Add default abort case.
18955 (m32r_output_function_epilogue): Remove unused variables.
18956 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18957 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18958 define to empty parameter list. Update all uses.
18959 (predicate decls): Use enum machine_mode not int.
18960 * m32r.md (movsi): Call abort, not fatal_insn.
18961 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18963 1999-09-14 Andrew Haley <aph@cygnus.com>
18965 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18966 use $0 instead of 0.
18968 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18970 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18971 computation out of loop over hard regs.
18973 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18975 * function.c (identify_blocks): Don't shadow a variable in an
18977 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18978 pushdecl, or poplevel to build up the new BLOCK tree.
18979 (expand_inline_function): Likewise.
18980 (integrate_parm_decls): Likewise.
18982 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18984 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18986 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18988 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18989 * invoke.texi: Document this change.
18991 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18993 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18995 (mark_emit_status): Renamed from mark_emit_state.
18996 * except.c (mark_eh_status): Renamed from mark_eh_state.
18997 Check not null before marking.
18998 (free_eh_status): New.
18999 * expr.c (mark_expr_status, free_expr_status): New.
19000 * function.c (free_machine_status): New.
19001 (free_after_parsing): New.
19002 (free_after_compilation): Move bits to free_after_parsing; call
19003 free_eh_status, free_expr_status; zero the marked members of the
19005 (prepare_function_start): No can_garbage_collect.
19006 Call init_eh_for_function.
19007 (expand_dummy_function_end): Free up current_function state.
19008 (mark_function_status): Renamed from mark_function_state.
19009 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19010 * function.h (struct function): No can_garbage_collect.
19011 (free_machine_status, free_after_parsing): Declare.
19012 (free_eh_status, free_expr_status): Declare.
19013 * ggc.h (mark_expr_status): Declare.
19014 * stmt.c (free_stmt_status): Free the struct.
19015 (mark_stmt_status): Renamed from mark_stmt_state.
19016 (init_stmt): Don't call init_eh.
19017 (init_stmt_for_function): Don't call init_eh_for_function.
19018 * toplev.c (compile_file): Call init_eh.
19019 (rest_of_compilation): Free basic block info before ggc_collect.
19020 Call free_after_parsing; conditionally call free_after_compilation.
19021 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19022 Check not null before marking.
19023 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19025 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19027 * c-lex.c (yylex): Initialize warn.
19029 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19031 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19032 register when performing secondary reloads for the SAR register.
19034 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19036 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19037 (NOTE_BLOCK): New macro.
19038 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19039 * function.h (identify_blocks): Change prototype.
19040 * function.c (identify_blocks): Simplify.
19041 (reorder_blocks): Likewise.
19042 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19043 NOTE_INSN_BLOCK_{BEG,END}.
19044 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19045 the list of saved notes if the note isn't a
19046 NOTE_INSN_BLOCK_{BEG,END}.
19047 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19049 (reemit_notes): Adjust recreation of notes to reflect new saved
19051 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19052 printing a block note.
19053 * stmt.c (block_vector): Remove.
19054 (find_loop_tree_blocks): Simplify.
19055 (unroll_block_trees): Likewise.
19056 * tree.h (reorder_block): Change prototype.
19058 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19060 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19061 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19062 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19063 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19064 (atexit, exit): Simplify.
19065 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19066 * config/lots: Remove defns of HAVE_ATEXIT.
19068 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19070 * calls.c (precompute_arguments): Fix typo in comment.
19071 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19074 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19076 * dsp16xx.c (override_options): Fix typos in GC root registration.
19078 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19080 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19081 from config/svr4.h.
19082 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19083 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19084 (CC1_SPEC): Likewise.
19086 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19088 * genattr.c (main): Add extern prototype. Call return, not exit.
19089 * genattrtab.c (main): Likewise.
19090 * gencheck.c (main): Likewise.
19091 * gencodes.c (main): Likewise.
19092 * genconfig.c (main): Likewise.
19093 * genemit.c (main): Likewise.
19094 * genextract.c (main): Likewise.
19095 * genflags.c (main): Likewise.
19096 * gengenrtl.c (main): Likewise.
19097 * genopinit.c (main): Likewise.
19098 * genoutput.c (main): Likewise.
19099 * genpeep.c (main): Likewise.
19100 * genrecog.c (main): Likewise.
19102 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19103 * genattrtab.c (get_insn_name): Likewise.
19104 * gencodes.c (get_insn_name): Likewise.
19105 * genconfig.c (get_insn_name): Likewise.
19106 * genemit.c (get_insn_name): Likewise.
19107 * genextract.c (get_insn_name): Likewise.
19108 * genflags.c (get_insn_name): Likewise.
19109 * genopinit.c (get_insn_name): Likewise.
19110 * genpeep.c (get_insn_name): Likewise.
19112 * gencheck.c (usage): Add static prototype.
19113 * genextract.c (print_path): Constify a char*.
19114 * genopinit.c (optabs): Likewise.
19115 * genoutput.c (operand_data, data, output_predicate_decls,
19116 compare_operands): Likewise.
19117 * genrecog.c (write_tree): Add default case in switch.
19119 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19121 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19123 * print-rtl.c (get_insn_name): Remove prototype.
19125 * toplev.h (progname): Declare const.
19127 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19128 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19129 dump_sched_info, dump_local_alloc, regset_release_memory,
19130 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19131 error_with_file_and_line, error_with_decl, error_for_asm, error,
19132 fatal, warning_with_file_and_line, warning_with_decl, warning,
19133 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19134 Remove redundant prototypes.
19136 (notice, check_lang_option, report_file_and_line, vnotice,
19137 mark_file_stack): Add static prototype.
19138 (set_fatal_function): Add prototype.
19139 (vnotice, report_file_and_line, set_fatal_function,
19140 check_lang_option): Constify a char*.
19141 (main): Prototype. Call return, not exit.
19143 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19145 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19147 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19149 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19151 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19153 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19155 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19156 behave as if it's zero in all cases.
19157 (expand_function_start): Adjust call to assign_parms.
19158 * tree.h (assign_parms): Adjust prototype.
19159 * objc/objc-act.c (hack_method_prototype): Adjust call to
19162 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19164 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19165 arg_pointer_rtx fixed if the argument pointer register is
19167 (NONZERO_BASE_PLUS_P): Likewise.
19169 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19171 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19172 match_insn2 to match_insn.
19173 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19175 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19177 * Makefile.in (USER_H): Remove va-foo.h.
19179 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19180 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19181 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19182 va-spur.h,va-v850.h}: Remove.
19184 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19186 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19187 (in_return_delay): Use it instead of match_insn.
19189 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19191 * config/alpha/va_list.h (va-alpha.h): Do not include.
19192 (__gnuc_va_list): Typedef as in varargs.h.
19194 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19196 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19197 DECL_LIVE_RANGE_RTL.
19199 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19201 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19202 not NOTE_BLOCK_NUMBER.
19203 (expand_eh_region_end): Likewise.
19204 (find_exception_handler_labels): Likewise.
19205 (scan_region): Likewise.
19206 (exception_optimize): Likewise.
19207 (update_rethrow_references): Likewise.
19208 (set_insn_eh_region): Likewise.
19209 * final.c (final_scan_insn): Likewise.
19210 * flow.c (make_edges): Likewise.
19211 * integrate.c (expand_inline_function): Likewise.
19212 * print-rtl.c (print_rtx): Likewise.
19214 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19216 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19217 terms of builtin functions and types.
19219 * mips.c (mips_build_va_list): New.
19220 (mips_va_start, mips_va_arg): New.
19221 * mips.h (BUILD_VA_LIST_TYPE): New.
19222 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19224 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19225 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19226 * sh.h (BUILD_VA_LIST_TYPE): New.
19227 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19229 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19231 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19232 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19233 (struct insn_data): Likewise with n_operands, n_dups,
19234 n_alternatives, output_format.
19235 * regclass.c (scan_one_insn): Cast n_operands to int before
19236 arithmetic inside comparison.
19238 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19240 * toplev.c (compile_function): Unconditionally emit nop.
19242 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19244 * haifa-sched.c (actual_hazard): Move declaration of variable
19245 `this_cost' into the scope where it is used.
19247 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19249 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19250 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19251 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19253 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19255 * jump.c (find_insert_position): Don't declare or define unless
19256 !HAVE_conditional_arithmetic.
19257 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19259 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19261 * recog.c (offsettable_address_p): Prototype function pointer.
19262 (preprocess_constraints): Call memset, not bzero.
19264 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19265 (gcc_obstack_init): Don't declare.
19266 (fix_sizetype): Add static prototype.
19267 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19268 (tree_cons): Call memset, not bzero.
19270 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19271 definition in macro ASM_WEAKEN_LABEL.
19272 (mark_const_hash_entry): Add static prototype.
19274 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19276 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19278 * unroll.c (find_common_reg_term, subtract_reg_term,
19279 loop_find_equiv_value): Add static prototypes.
19280 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19281 (copy_loop_body): Remove unreachable break statement.
19283 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19285 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19287 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19289 Undo some changes from the gcc2 merge:
19290 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19291 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19295 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19296 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19297 initialized float-int union if the value is a NaN.
19299 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19301 * gthr-win32.h: New file.
19303 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19304 shared as a valid attribute.
19305 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19306 * extend.texi: Document `shared' variable attribute.
19308 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19310 * configure.in: Handle --enable-threads on FreeBSD.
19311 * configure: Rebuit.
19313 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19315 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19317 * configure: Rebuilt.
19319 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19320 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19321 Rosimildo DaSilva <rdasilva@connecttel.com>
19323 * configure.in (m68k-*-rtemscoff*): Added.
19324 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19325 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19326 sparc-rtems configuration.
19327 * configure.in (sparc-*-rtemself*): Added.
19328 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19329 * config/i386/rtems.h: Added comment.
19330 * config/sparc/rtemself.h: New file.
19332 * configure.in (m68k-rtemself): Added.
19333 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19334 and DWARF_DEBUGGING_INFO.
19335 * config/m68k/crti.s: New file.
19336 * config/m68k/crtn.s: New file.
19337 * config/m68k/t-crtstuff: New file.
19338 * config/m68k/rtemself.h: New file.
19340 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19341 global ctor/dtor and C++ exception handling.
19342 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19343 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19345 * config/i386/t-rtems-i386: New File.
19347 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19349 * stmt.c (expand_end_case): Return right away if the case stack is
19352 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19354 * Makefile.in (version.c): Remove rule incorrectly brought in from
19357 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19359 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19360 * msdos/top.sed: Take into account a prepended $(SHELL) to
19362 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19364 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19366 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19368 * regmove.c (fixup_match_1): Don't change an unchanging register.
19369 (stable_but_for_p): Renamed to:
19370 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19371 Changed all callers.
19373 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19375 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19376 insn from BL2 is after the insn from BL.
19378 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19380 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19381 (struct insn_data): Merge `template' and `outfun' into `output'.
19382 Add `output_format'.
19383 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19384 (struct data): Remove `outfun'; add `output_format'.
19385 (name_for_index): Remove declaration.
19386 (output_insn_data): Handle output formats.
19387 (process_template): Emit the bare array for @.
19388 (gen_expand, gen_split): Set output_format to NONE.
19389 * output.h (get_insn_template): Declare.
19390 * final.c (get_insn_template): New.
19391 (final_scan_insn): Use it.
19392 * toplev.c (compile_file): Likewise.
19394 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19395 * i860/i860.c (output_delayed_branch): Likewise.
19396 (output_delay_insn): Likewise.
19398 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19400 * rtl.c (obstack_alloc_rtx): Removed.
19402 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19404 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19406 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19408 * i386.c (call_insn_operand): Reject const_int.
19409 (expander_call_insn_operand): Use call_insn_operand.
19411 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19413 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19415 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19417 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19418 Use DImode operation.
19420 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19422 * gcc.c: Include sys/resource.h.
19423 (report_times): New flag.
19424 (execute): If report_times is set, calculate and report the
19425 CPU time consumed by each subprocess.
19427 (rus, prus): New globals.
19428 (option_map): Add --time.
19429 (display_help): Document -time.
19430 (process_command): Set report_times if -time is given.
19431 Turn off -pipe if -time is given.
19433 * invoke.texi: Document new option -time.
19435 * configure.in: Check for getrusage. Check if we have to
19436 prototype getrusage.
19437 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19438 * configure: Regenerate.
19439 * config.in: Regenerate.
19441 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19443 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19446 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19448 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19449 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19450 (nan): Return _thenan_sf or _thenan_df as appropriate.
19451 (L_thenan_sf): Define _thenan_sf.
19452 (L_thenan_df): Define _thenan_df.
19454 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19455 (DPBIT_FUNCS): Add _thenan_df.
19457 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19459 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19462 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19464 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19467 (lang_specific_driver): Don't take a function pointer parameter.
19468 All callers changed.
19470 * gcc.c: Include gcc.h.
19471 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19472 lang_specific_extra_outfiles, fatal): Don't declare.
19473 (multilib_defaults_raw): Constify.
19474 (read_specs): Call memset, rather than bzero.
19475 (main): Call return, not exit.
19476 (lookup_compiler): Call memcpy, not bcopy.
19477 (fatal): Make extern.
19479 * cppspec.c: Include gcc.h.
19480 (lang_specific_driver): Initialize variable `quote'. Constify a
19481 char*. All calls to the function pointer parameter now
19482 explicitly call `fatal'.
19484 * gccspec.c (lang_specific_driver): Include gcc.h.
19486 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19488 * arm.c (note_invalid_constants): Use recog_data.operand_type
19491 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19493 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19496 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19497 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19498 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19499 reload_secondary_in_reload, reload_secondary_out_reload,
19500 reload_secondary_in_icode, reload_secondary_out_icode,
19501 reload_reg_rtx, reload_when_needed): Delete declarations.
19502 (struct reload): New structure.
19503 (rld): Declare new array.
19504 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19505 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19506 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19507 reload_secondary_in_reload, reload_secondary_out_reload,
19508 reload_secondary_in_icode, reload_secondary_out_icode,
19509 reload_reg_rtx, reload_when_needed): Delete definitions.
19511 (whole file): Replace uses of the deleted arrays with uses of rld.
19512 * reload1.c (whole file): Replace uses of the deleted arrays with
19514 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19515 explicit loops, not with bcopy.
19517 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19519 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19520 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19521 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19522 insn_name): Delete and consolidate into new structures.
19523 (insn_operand_predicate_fn): New.
19524 (insn_output_fn): New.
19525 (insn_gen_fn): New.
19526 (struct insn_operand_data): New.
19527 (struct insn_data): New.
19529 (OUT_FCN): Update for insn_data change.
19530 * builtins.c (expand_builtin_strlen): Likewise.
19531 (expand_builtin_memcmp): Likewise.
19532 * combine.c (make_extraction, simplify_comparison): Likewise.
19533 * cse.c (canon_reg, cse_insn): Likewise.
19534 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19535 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19536 (emit_store_flag): Likewise.
19537 * expr.c (convert_move, emit_block_move): Likewise.
19538 (clear_storage, emit_push_insn, expand_increment): Likewise.
19539 (do_store_flag): Likewise.
19540 * expr.h (GEN_FCN): Likewise.
19541 (insn_gen_function): Die.
19542 * final.c (final_scan_insn): Update for insn_data change.
19543 (output_asm_name): Likewise.
19544 * function.c (fixup_var_refs_1): Likewise.
19545 * loop.c (check_dbra_loop): Likewise.
19546 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19547 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19548 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19549 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19550 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19551 * regmove.c (gen_add3_insn): Likewise.
19552 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19553 (find_reloads, find_reloads_address_1): Likewise.
19554 (debug_reload_to_stream): Likewise.
19555 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19556 * stmt.c (expand_end_case): Likewise.
19557 * toplev.c (compile_file): Likewise.
19559 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19560 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19562 * print-rtl.c (insn_name_ptr): Remove declaration.
19563 (get_insn_name): Declare.
19564 (print_rtx): Use it.
19565 * genoutput.c (insn_name_ptr): Remove.
19566 (next_operand_number): New.
19567 (struct operand_data): New.
19568 (null_operand, odata, odata_end): New.
19569 (struct data): Use struct operand_data.
19570 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19571 (get_insn_name): Renamed from name_for_index.
19572 (output_prologue): Define NO_MD_PROTOTYPES.
19573 (output_predicate_decls): Break out from output_epilogue.
19574 Iterate over the operands list.
19575 (output_operand_data): Break out from output_epilogue. Emit
19576 just the operands list.
19577 (output_insn_data): Break out from output_epilogue. Emit just
19579 (output_epilogue): Remove.
19580 (output_get_insn_name): New.
19581 (constraints, op_n_alternatives, predicates, address_p): Die.
19582 (modes, strict_low, seen): Die.
19583 (scan_operands): Take new param `d' instead of writing to
19584 seven global variables.
19585 (compare_operands): New.
19586 (place_operands): New.
19587 (validate_insn_alternatives): Update for struct data change.
19588 (gen_insn): Don't zero or copy 7 global arrays. Update for
19589 scan_operands; call place_operands.
19590 (gen_peephole, gen_expand, gen_split): Likewise.
19591 (main): Update for new output routines.
19593 * genattr.c (insn_name_ptr): Remove.
19594 (get_insn_name): New function.
19595 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19596 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19597 * genrecog.c: Likewise.
19599 * alpha.md (adddi3): Make `pattern' array static.
19601 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19603 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19604 c4x_cpu_version_string): Constify char *.
19605 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19606 c4x_cpu_version_string): Likewise.
19608 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19610 * tree.c (save_tree_status): Revert 10 Sep change.
19611 (restore_tree_status): Likewise. Call obstack_free with NULL
19612 before freeing the obstack proper.
19614 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19616 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19618 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19619 surrounding context.
19621 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19623 * tree.c (type_hash_canon): Put all types in the hash-table, when
19626 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19628 * recog.h (struct recog_data, recog_data): New.
19629 (recog_foo variables): Kill.
19630 * recog.c (recog_operand, recog_operand_loc): Kill.
19631 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19632 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19633 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19634 (recog_data): Define.
19635 (extract_insn): Update all recog_foo references to use recog_data.
19636 (preprocess_constraints, constrain_operands): Likewise.
19637 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19638 * genattrtab.c (main): Likewise.
19639 * genextract.c (main): Likewise.
19640 * genoutput.c: Likewise.
19641 * genrecog.c (write_subroutine, main): Likewise.
19642 * local-alloc.c (block_alloc): Likewise.
19643 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19644 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19645 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19646 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19647 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19648 (reload_cse_simplify_operands): Likewise.
19650 * arc/arc.c (arc_final_prescan_insn): Likewise.
19651 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19652 * h8300/h8300.c (notice_update_cc): Likewise.
19653 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19654 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19655 * mn10200/mn10200.c (notice_update_cc): Likewise.
19656 * mn10300/mn10300.c (notice_update_cc): Likewise.
19657 * romp/romp.c (update_cc): Likewise.
19658 * sparc/sparc.c (check_pic): Likewise.
19659 * v850/v850.c (notice_update_cc): Likewise.
19661 * genemit.c (main): Don't declare recog_operand.
19663 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19665 * ggc.h (rtvec_def): Forward declare.
19666 (tree_node): Likewise.
19667 (ggc_root): Define.
19669 (ggc_set_mark_rtx): Add prototype.
19670 (ggc_set_mark_rtvec): Likewise.
19671 (ggc_set_mark_tree): Likewise.
19672 * ggc-simple.c (ggc_root): Don't define.
19673 (roots): Don't declare.
19674 (ggc_mark_rtx): Remove.
19675 (ggc_mark_rtvec): Likewise.
19676 (ggc_mark_tree): Likewise.
19677 (ggc_mark_varray): Likewise.
19678 (ggc_mark_tree_hash_table_entry): Likewise.
19679 (ggc_mark_tree_hash_table): Likewise.
19680 (ggc_set_mart_rtx): New function.
19681 (ggc_set_mark_rtvec): Likewise.
19682 (ggc_set_mark_tree): Likewise.
19683 (ggc_add_root): Remove.
19684 (ggc_add_rtx_root): Likewise.
19685 (ggc_remove_tree_root): Likewise.
19686 (ggc_add_string_root): Likewise.
19687 (ggc_add_tree_varray_root): Likewise.
19688 (ggc_add_tree_hash_table_root): Likewise.
19689 (ggc_del_root): Likewise.
19690 (ggc_mark_rtx_ptr): Likewise.
19691 (ggc_mark_tree_ptr): Likewise.
19692 (ggc_mark_string_ptr): Likewise.
19693 (ggc_mark_tree_varray_ptr): Likewise.
19694 (ggc_mark_tree_hash_table_ptr): Likewise.
19695 * ggc-common.c: New file.
19696 * Makefile.in (OBJS): Add ggc-common.o.
19697 (ggc-common.o): List dependencies.
19699 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19701 * cppalloc.c (xstrdup): Use memcpy.
19702 * cpperror.c (cpp_print_containing_files): Don't use
19704 * cpplib.c (conditional_skip): Set temp->lineno.
19705 (do_endif): Make error message less obscure.
19706 (if_directive_name): New function.
19707 (cpp_get_token [case EOF]): Unwind the if stack and generate
19708 error messages for each unterminated conditional in this file.
19709 (parse_string): Do not behave differently if -traditional.
19711 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19713 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19714 va_list decomposing to pointer-type.
19715 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19716 (rs6000_va_arg): Likewise.
19718 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19720 * except.c (start_dynamic_handler): Compute size using
19721 STACK_SAVEAREA_MODE.
19723 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19725 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19726 include directory headers. Don't define strrchr. Don't provide
19727 my_* replacement functions. Prefer PTR over `pointer_type'.
19728 Don't prototype system functions. Don't redefine getopt.
19730 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19731 safe_read, safe_write, save_pointers, restore_pointers,
19732 is_id_char, in_system_include_dir, directory_specified_p,
19733 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19734 find_corresponding_lparen, referenced_file_is_newer,
19735 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19736 process_aux_info_file, identify_lineno, check_source,
19737 seek_to_line, forward_to_next_token_char, output_bytes,
19738 output_string, output_up_to, other_variable_style_function,
19739 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19740 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19741 find_static_definition, connect_defs_and_decs, add_local_decl,
19742 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19743 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19744 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19745 scan_for_missed_items, edit_file, string_list_cons): Add static
19747 (standard_exec_prefix, target_machine, target_version,
19748 default_syscalls_dir, string_list, string_list_cons, find_file,
19749 do_cleaning): Constify a char*.
19750 (safe_read, safe_write): Use PTR, not a char*.
19751 (is_id_char): Take an int, not a char.
19752 (main): Add prototype. Call return, not exit.
19754 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19756 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19757 when comparing types.
19759 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19761 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19762 (strength_reduce): Release the varrays from the no-bivs early exit.
19764 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19765 the loop over the registers.
19767 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19769 (restore_tree_status): Check that instead when freeing the obstack.
19771 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19773 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19776 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19778 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19779 operand size modifiers.
19781 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19783 * c-common.c (c_common_nodes_and_builtins): Don't build
19785 * c-common.h (enum c_tree_index and related accesor macros): Remove
19786 everything now declared in tree.h.
19787 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19788 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19789 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19790 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19791 unsigned_type_node, ptr_type_node, va_list_type_node,
19792 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19793 (init_decl_processing): Call build_common_tree_nodes and
19794 build_common_tree_nodes_2 instead of building their nodes here.
19795 Don't add roots for these nodes.
19796 * stor-layout.c (size_zero_node, size_one_node): Delete.
19797 (set_sizetype): Make a new node for bitsizetype each time.
19798 * tree.c (global_trees): New variable.
19799 (init_obstacks): Add a gc root for it.
19800 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19801 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19802 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19803 (build_common_tree_nodes): New function.
19804 (fix_sizetype): New function.
19805 (build_common_tree_nodes_2): New function.
19806 * tree.h (enum tree_index): New.
19807 (global_trees): Declare.
19808 Add accessor macros for all nodes now moved to global_trees.
19809 Delete their declarations.
19811 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19813 * c-decl.c (finish_function): When processing a nested function,
19814 push and pop GC context around rest_of_compilation.
19816 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19818 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19819 Default ix86_arch to PROCESSOR_I386.
19820 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19821 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19822 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19823 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19824 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19825 (EXTRA_SPECS): Remove deleted specs.
19827 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19829 * function.c (assign_stack_local_1): Allocate from
19830 function->x_frame_offset, not frame_offset.
19832 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19834 * ggc.h (lang_cleanup_tree): Remove.
19835 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19836 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19838 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19839 TYPE_LANG_SPECIFIC when garbage collecting.
19840 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19841 (lang_cleanup_tree): Remove.
19843 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19845 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19846 * crtstuff.c: Not here.
19847 * dwarf2out.c: Or here.
19848 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19851 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19853 * function.h (free_after_compilation): Remove decl parameter.
19854 (free_varasm_status0: Likewise.
19855 (free_emit_status): Likewise.
19856 (free_stmt_status): Likewise.
19857 (free_after_compilation): Likewise.
19858 (init_lang_status): New variable.
19859 (free_lang_status): Likewise.
19860 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19861 * function.c (init_lang_status): New variable.
19862 (free_lang_status): Likewise.
19863 (push_function_context_to): Don't set function::decl here.
19864 (free_after_copmilation): Make decl parameter implicit. Call
19865 free_lang_status if defined.
19866 (prepare_function_start): Call init_lang_status if defined.
19867 (init_function_start): Set function::decl here.
19868 * profile.c (output_func_start_profiler): Don't call pushdecl
19869 until we've actually started the function.
19870 * stmt.c (free_stmt_status): Make decl parameter implicit.
19871 * toplev.c (rest_of_compilation): Don't pass decl to
19872 free_after_compilation.
19873 * varasm.c (free_varasm_status): Likewise.
19875 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19877 * except.c (call_get_eh_context): Add root when allocating static
19880 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19882 * arm.c: Include "ggc.h".
19883 (arm_add_gc_roots): New function.
19884 (arm_override_options): Call it.
19885 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19887 * arm.md (define_asm_attributes): Add a pool_range attribute.
19889 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19891 * extend.texi (Volatiles): New node.
19893 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19895 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19896 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19897 (struct ggc_any): Replace `mark' with `magic_mark'.
19898 (ggc_alloc_string): Use memcpy, not bcopy.
19899 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19900 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19901 (ggc_free_any): New.
19902 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19903 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19904 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19905 Use IS_MARKED. Use ggc_free_any.
19907 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19909 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19911 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19913 * toplev.c (main): Always init_ggc.
19915 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19917 * except.c (find_all_handler_type_matches): Free the list if
19918 we found no matches.
19920 * combine.c (SUBST): Break out to a real function do_SUBST.
19921 (SUBST_INT): Likewise.
19922 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19923 (pre_insert): Free `inserted'.
19924 * loop.c (basic_induction_var): Always set `location'.
19926 * function.c (expand_function_end): Add initial_trampoline as a root.
19927 * rtl.h (init_varasm_once): Declare.
19928 * toplev.c (compile_file): Call it.
19929 * ggc-simple.c (ggc_mark_string_ptr): New.
19930 (ggc_add_string_root): New.
19931 (ggc_collect): Disable collection avoidance temporarily.
19932 * ggc.h (ggc_add_string_root): Declare.
19933 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19934 * optabs.c (init_libfuncs): Likewise.
19935 * varasm.c (named_section): Use ggc_alloc_string.
19936 (make_function_rtl): Likewise.
19937 (make_decl_rtl): Likewise.
19938 (assemble_static_space): Likewise.
19939 (assemble_trampoline_template): Likewise.
19940 (output_constant_def): Likewise.
19941 (force_const_mem): Likewise.
19942 (mark_const_hash_entry): New.
19943 (mark_pool_sym_hash_table): New.
19944 (mark_varasm_state): Use it.
19945 (init_varasm_once): New.
19947 * expr.h (init_one_libfunc): Declare.
19948 * optabs.c (init_one_libfunc): New.
19949 (init_optabs): Use it.
19950 * config/gofast.h: Likewise.
19951 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19952 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19954 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19956 * Makefile.in (cppexp.o): Depend on cpphash.h.
19957 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19959 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19960 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19961 redefining poisoned identifiers, etc.
19962 (do_undef): Don't allow poisoned identifiers to be undefined.
19963 (do_pragma): Add #pragma poison.
19964 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19966 * cccp.c: Add T_POISON node type.
19967 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19969 (do_define): Generalise to handle poisoned definitions,
19970 redefining poisoned identifiers, etc.
19971 (do_undef): Don't allow poisoned identifiers to be undefined.
19972 (do_pragma): Add #pragma poison.
19973 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19975 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19976 * c-pragma.h: Add ps_poison state. We now always have generic
19979 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19981 * ggc.h (ggc_alloc): New function.
19982 (ggc_mark): Likewise.
19983 * ggc-simple.c (ggc_any): New structure.
19984 (ggc_status): Add anys.
19985 (n_anys_collected): New variable.
19986 (ggc_alloc): Define.
19987 (ggc_mark): Likewise.
19988 (ggc_collect): Collect the anys.
19990 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19992 * c-decl.c (mark_binding_level): Make static to match prototype.
19994 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19996 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19998 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20000 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20001 will use into account. Expand the max width to 5.
20004 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20006 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20007 for the rtx length.
20009 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20011 * alpha.md (call value patterns): Remove the result predicates.
20013 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20015 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20018 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20020 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20021 changed from extern char *, to extern PTR. Also fix typo in
20022 NEED_DECLARATION_REALLOC test.
20024 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20026 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20028 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20029 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20030 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20031 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20033 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20035 * cccp.c (pcfinclude): Likewise.
20037 * global.c (allocno_compare): Likewise.
20039 * haifa-sched.c (rank_for_schedule): Likewise.
20041 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20043 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20045 * stupid.c (stupid_reg_compare): Likewise.
20047 * tree.c (_obstack_allocated_p): Likewise.
20049 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20051 1999-09-08 Bruce Korb autogen@linuxbox.com
20053 * Makefile.in: Give the hapless gperf user a hint about
20054 why "gperf -F" fails.
20056 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20058 * lists.c: Include ggc.h.
20060 (init_EXPR_INSN_LIST_cache): Install it.
20062 * ggc-simple.c (init_ggc): Absorb the old init.
20063 (ggc_push_context): Use xcalloc.
20064 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20065 (ggc_collect): Add [rvts] tags to the collection stats.
20067 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20069 * cccp.c (main): Fix handling of -include and -imacros options.
20071 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20073 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20075 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20077 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20080 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20082 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20083 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20084 and SET_DEST. Update comment.
20086 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20088 * config/c4x/c4x.c: Include ggc.h.
20089 (c4x_add_gc_roots): New function.
20090 (c4x_override_options): Call c4x_add_gc_roots.
20092 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20094 * defaults.h (TARGET_ESC): Move ...
20095 * system.h: ... here, where Linas had it in the first place. Silly me.
20097 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20099 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20100 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20101 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20102 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20103 * defaults.h (TARGET_ESC): Add default.
20105 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20107 * configure.in: add i370-*-openedition, i370-*-mvs and
20108 i370-*-linux targets
20110 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20112 * dsp16xxx.c: Include ggc.h
20113 (override_options): Mark GC roots.
20114 * mn10200.c: Include ggc.h.
20115 (asm_file_start): Mark GC roots.
20116 * tahoe.c: Include ggc.h.
20117 (extensible_operand): Mark GC roots.
20119 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20121 * README: Add section discussing status of ELF ABI.
20122 * i370.c: Fix misc spelling mistakes.
20123 (i370_label_scan): Updated notes, exception handling.
20124 (i370_function_prolog): Simplify ELF stack handling.
20125 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20126 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20127 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20128 * i370.md: (movdi): Add notes.
20129 (floatsidf2): Use stack not rtca for scratch float area.
20130 (iorsi3): Correct operand constraints.
20131 * x-oe: Restore TAROUTOPTS which are used by pax.
20133 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20135 * rs6000.c: Include ggc.h.
20136 (rs6000_add_gc_roots): New function.
20137 (override_options): Call it.
20139 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20141 * alpha.h (alpha_compare): New.
20142 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20143 * alpha.c: Likewise for the definitions.
20144 (alpha_emit_conditional_branch): Update for alpha_compare.
20145 (alpha_emit_conditional_move): Likewise.
20146 * alpha.md (cmpdf, cmpdi): Likewise.
20147 (setcc patterns): Likewise. Zero alpha_compare after use.
20148 (sne): Optimize (x != 0) into (0U < x).
20150 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20152 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20153 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20154 (INIT_EXPANDERS): Remove.
20155 * alpha.c: Include ggc.h.
20156 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20157 (alpha_init_machine_status, alpha_mark_machine_status): New.
20158 (override_options): Install them.
20159 (struct machine_function): Moved to alpha.h.
20160 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20161 (alpha_init_expanders): Remove.
20162 (alpha_return_addr): Adjust to use current_function->machine.
20163 (alpha_ra_ever_killed): Likewise.
20164 (alpha_expand_epilogue): Likewise.
20165 * alpha.md (eh_epilogue): Likewise.
20167 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20168 Melissa O'Neill <oneill@cs.sfu.ca>
20169 Geoffrey Keating <geoffk@cygnus.com>
20171 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20172 call-used registers (call-saved registers must still be contiguous
20173 and end with r31, of course).
20175 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20177 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20178 (self_promoting_type_p): Delete.
20179 (self_promoting_args_p): Move ...
20180 * c-common.c: ... here.
20181 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20182 (simple_type_promotes_to): New.
20183 * builtins.c (lang_type_promotes_to): New.
20184 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20185 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20186 * c-common.h: ... here.
20187 (self_promoting_args_p, simple_type_promotes_to): Declare.
20188 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20189 (grokdeclarator): Likewise.
20190 * tree.h (lang_type_promotes_to): Declare.
20192 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20194 Add some machine-dependent GC roots.
20195 * sparc.c: Include ggc.h.
20196 (sparc_add_gc_roots): New function.
20197 (mark_ultrasparc_pipeline_state): Likewise.
20198 (override_options): Call sparc_add_gc_roots.
20199 * pa.c: Include ggc.h.
20200 (pa_add_gc_roots): New function.
20201 (mark_deferred_plabels): Likewise.
20202 (override_options): Call pa_add_gc_roots.
20203 * mips.c: Include ggc.h.
20204 (mips_add_gc_roots): New function.
20205 (override_options): Use it.
20207 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20209 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20211 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20212 cpp_parse_expr): Add static prototypes.
20213 (parse_charconst): Don't cast away const-ness.
20214 (token): Constify a char*.
20216 * cppfiles.c (file_name_list, include_hash, find_include_file,
20217 finclude, initialize_input_buffer): Constify a char*.
20218 (file_cleanup, find_position): Add static prototypes.
20220 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20221 collect_expansion): Add static prototypes.
20222 (cpp_install, create_definition, monthnames): Constify a char*.
20224 * cpphash.h (cpp_install): Likewise.
20226 * cppinit.c (known_suffixes, default_include,
20227 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20228 (base_name, dump_special_to_buffer, initialize_dependency_output):
20229 Add static prototypes.
20231 * cpplib.c (my_strerror): Constify a char*.
20232 (null_underflow, null_cleanup, skip_comment, copy_comment,
20233 copy_rest_of_line, handle_directive, pass_thru_directive,
20234 get_directive_token, read_line_number, cpp_print_file_and_line,
20235 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20236 v_cpp_warning_with_line, detect_if_not_defined,
20237 consider_directive_while_skipping): Add static prototypes.
20238 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20239 cpp_pedwarn_with_file_and_line): Constify a char*.
20241 * cpplib.h (cpp_options, include_hash, progname, definition,
20242 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20243 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20244 find_include_file, deps_output, include_hash): Constify a char*.
20246 * cppmain.c (progname): Constify.
20247 (main): Add prototype. Use return, not exit.
20249 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20250 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20251 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20252 check_protection): Add static prototype.
20254 (progname, recognized_macrom, recognized_extern): Constify a char*.
20255 (main): Add prototype.
20257 * gen-protos.c (progname): Constify a char*.
20259 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20261 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20262 (init_emit_once): Add more GC roots.
20263 * except.c (mark_func_eh_entry): New function.
20264 (mark_eh_node): Mark false_label and rethrow_label.
20265 (init_eh): Add more GC roots.
20266 * function.c (free_after_compilation): Take decl as a paramter.
20267 Call free_stmt_status.
20268 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20270 * function.h (free_after_compilation): Change prototype.
20271 (free_varasm_status): Likewise.
20272 (free_emit_status): Likewise.
20273 (free_stmt_status): New function.
20274 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20275 Remove, replacing with ...
20276 (ggc_status): New structure.
20277 (ggc_chain): New variable.
20278 (init_gcc): Define.
20279 (ggc_push_context): New function.
20280 (ggc_pop_context): Likewise.
20281 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20282 (ggc_alloc_rtvec): Likewise.
20283 (ggc_alloc_tree): Likewise.
20284 (ggc_alloc_string): Likewise.
20285 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20286 (ggc_mark_tree): Give language-dependent code a chance to mark
20288 (ggc_mark_tree_varray): Handle empty arrays.
20289 (ggc_collect): Adjust for use of ggc_chain. Clear
20290 bytes_alloced_since_last_gc.
20291 * ggc.h (ggc_pop_context): New function.
20292 (ggc_push_context): Likewise.
20293 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20294 * stmt.c (free_stmt_status): New function.
20295 (init_stmt_for_function): Clear last_expr_value.
20296 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20297 Conditionalize call to ggc_collect.
20298 (main): Call init_ggc.
20299 * tree.c (push_obstacks): Do the push, even when GC'ing.
20300 (push_obstacks_nochange): Likewise.
20301 (pop_obstacks): Liekwise.
20302 * varasm.c (free_varasm_status): Take decl as a parameter.
20304 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20306 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20307 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20308 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20309 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20311 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20313 * pa/x-pa-mpeix: New file for the MPE port.
20315 * pa/quadlib.asm: New file for long double support.
20317 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20318 * configure: Rebuilt.
20320 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20322 * final.c (shorten_branches): Fix last change.
20324 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20326 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20328 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20330 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20333 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20335 * c-aux-info.c (concat): Don't define.
20337 * cccp.c (my_strerror): Likewise. All callers changed to use
20339 (do_include): Call xstrdup, not xmalloc/strcpy.
20340 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20341 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20343 * collect2.c (my_strsignal): Likewise. All callers changed to use
20345 (locatelib): Call xstrdup, not xmalloc/strcpy.
20347 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20349 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20351 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20353 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20355 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20357 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20359 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20361 (find_all_handler_type_matches): Likewise. Don't check return
20363 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20364 xmalloc, not malloc.
20365 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20367 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20368 (init_spec): Call xcalloc, not xmalloc/bzero.
20369 (set_spec): Call xstrdup, not save_string.
20370 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20371 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20372 (process_command): Call xstrdup, not save_string.
20373 (main): Call xcalloc, not xmalloc/bzero.
20375 * gcov.c (xmalloc): Don't define.
20376 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20377 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20378 (output_data): Call xcalloc, not xmalloc/bzero.
20380 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20382 * mips-tdump.c (xmalloc): Don't define.
20383 (print_symbol): Call xmalloc, not malloc.
20384 (read_tfile): Call xcalloc, not calloc.
20386 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20387 Don't define. All callers of xfree/my_strsignal changed to use
20388 free/strsignal instead.
20389 (allocate_cluster): Call xcalloc, not calloc.
20391 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20392 Fix memory leak, free allocated memory.
20394 * prefix.c (translate_name): Call xstrdup, not save_string.
20395 (update_path): Likewise.
20397 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20399 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20400 Don't define. Callers of xfree/savestring2 changed to use
20401 free/concat instead.
20403 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20404 (init_elim_table): Likewise.
20406 * resource.c (init_resource_info): Likewise.
20408 * stupid.c (stupid_life_analysis): Likewise.
20410 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20411 (open_dump_file): Call concat, not xmalloc/strcpy/...
20412 (clean_dump_file): Likewise.
20413 (compile_file): Call xstrdup, not xmalloc/strcpy.
20415 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20417 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20418 * v850.c (v850_va_arg): New.
20420 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20422 * haifa-sched.c: Tidy comments.
20424 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20426 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20427 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20428 $(out_object_file)): Depend on ggc.h.
20429 * c-common.c: Include "ggc.h".
20430 (combine_strings): If doing GC, use ggc_alloc_string.
20431 * c-decl.c: Include "ggc.h".
20432 (ggc_p): Define with value 0.
20433 (mark_binding_level): New function.
20434 (init_decl_processing): Add GC roots.
20435 (mark_c_function_context): New function.
20436 (lang_mark_false_label_stack): New function.
20437 (lang_mark_tree): New function.
20438 (lang_cleanup_tree): New function.
20439 * c-lang.c: Include "ggc.h".
20440 (lang_init): Call c_parse_init.
20441 * c-lex.c: Include "ggc.h".
20442 (check_linenum): If doing GC, don't copy filenames to permanent
20444 * c-parse.in: Include "ggc.h".
20445 (c_parse_init): New function.
20446 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20447 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20449 * except.c (mark_eh_state): Mark more state.
20450 * function.c (mark_function_state): Likewise.
20451 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20452 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20453 * toplev.c (mark_file_stack): New function.
20454 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20455 (main): Add root for input_file_stack.
20457 * i386.c: Include "ggc.h".
20458 (ix86_mark_machine_status): New function.
20459 (override_options): Set mark_machine_status.
20461 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20463 * tree.c (copy_node): Copy node contents also if doing GC.
20465 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20467 * collect2.c (scan_libraries): Fix double-thinko :-).
20469 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20471 * collect2.c (scan_libraries): Fix thinko.
20473 * cse.c (delete_trivially_dead_insns): Do not skip the last
20474 insn if it is a real insn.
20476 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20478 * Makefile.in (ggc-simple.o): Depend on hash.h.
20479 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20480 (ggc_mark_tree_varray): Likewise.
20481 (ggc_mark_tree_hash_table): Likewise.
20482 * ggc-simple.c: Include hash.h.
20483 (ggc_mark_tree_hash_table_ptr): New function.
20484 (ggc_mark_tree_hash_table_entry): Likewise.
20485 (ggc_mark_tree_hash_table): Likewise.
20486 (ggc_add_tree_hash_table_root): Likewise.
20487 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20488 rtx, when defining fields.
20490 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20492 * profile.c (output_func_start_profiler): Remove apparently
20493 nonsensical call to start_sequence.
20495 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20497 * clipper/clipper.c (clipper_va_start): Fix typos.
20499 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20500 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20501 (spur_va_arg): New stub.
20503 * configure.in: Comment out pyramid.
20505 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20507 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20508 don't conflict with the bits that win32, cygwin, and dgux
20511 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20512 Bernd Schmidt <bernds@cygnus.co.uk>
20514 * integrate.c (function_cannot_inline_p): Do not inline
20515 functions with forced labels.
20517 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20518 Bernd Schmidt <bernds@cygnus.co.uk>
20519 Mark Mitchell <mark@codesourcery.com>
20521 * Makefile.in (ggc-simple.o): Depend on varray.h.
20522 (rtl.o): Depend on ggc.h.
20523 (genattrtab.o): Depend on ggc.h.
20524 (print-tree.o): Likewise.
20525 (fold-const.o): Likewise.
20526 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20527 (make_insn_raw): Don't cache insns when GC'ing.
20528 (emit_insn_before): Likewise.
20529 (emit_insn_after): Likewise.
20530 (emit_insn): Likewise.
20531 (start_sequence): Use xmalloc to allocate the sequence_stack.
20532 (end_sequence): Add free to free it.
20533 (gen_sequence): Don't cache insns when GC'ing.
20534 (clear_emit_caches): Don't use sequence_element_free_list.
20535 (init_emit): Use xcalloc, not xmalloc+bzero.
20536 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20537 * function.c (pop_function_context_from): Use free to free the
20538 fixup_var_refs_queue.
20539 (put_reg_into_stack): Allocate it with xmalloc.
20540 * genattrtab.c: Include ggc.h.
20541 (operate_exp): Don't use obstack_free when GC'ing.
20542 (simplify_cond): Likewise.
20543 (simplify_text_exp): Likewise.
20544 (optimize_attrs): Likewise.
20545 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20547 (gencode): Generate a #include for ggc.h.
20548 * ggc-callbacks.c (ggc_p): Define it to zero.
20549 * ggc-none.c (ggc_p): Likewise.
20550 * ggc-simple.c: Include varray.h.
20551 (ggc_mark_tree_varray): New function.
20552 (ggc_add_tree_varray_root): Likewise.
20553 (ggc_mark_tree_varray_ptr): Likewise.
20554 * ggc.h (ggc_p): Declare.
20555 (varray_head_tag): Likewise.
20556 (ggc_add_tree_varray_root): Declare.
20557 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20558 inconsistencies when GC'ing.
20559 * rtl.c: Include ggc.h.
20560 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20561 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20562 (rtx_free): Don't call obstack_free when GC'ing.
20563 * toplev.c (rest_of_compilation): Call ggc_collect after every
20565 * tree.c (push_obstacks): Do nothing, if GC'ing.
20566 (pop_obstacks_nochange): Likewise.
20567 (pop_obstacks): Likewise.
20568 (make_node): Use ggc_alloc_tree when GC'ing.
20569 (copy_node): Likewise.
20570 (get_identifier): Use ggc_alloc_string when GC'ing.
20571 (build_string): Likewise.
20572 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20573 (tree_cons): Likewise.
20574 (build1): Likewise.
20575 (type_hash_canon): Don't call obstack_free when GC'ing.
20577 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20579 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20580 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20582 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20583 Bernd Schmidt <bernds@cygnus.co.uk>
20584 Mark Mitchell <mark@codesourcery.com>
20586 * Makefile.in (stor-layout.o): Depend on ggc.h.
20587 (expr.o): Depend on ggc.h.
20588 (profile.o): Depend on ggc.h.
20589 (stor-layout.o): Depend on ggc.h.
20590 * emit-rtl.c (init_emit_once): Add gc roots.
20591 * expr.c: Include ggc.h.
20592 (emit_block_move): Add gc roots.
20593 (clear_storage): Likewise.
20594 * expr.h (init_stor_layout_once): New function.
20595 * profile.c: Include ggc.h.
20596 (init_arc_profiler): profiler_label is a root.
20597 * scan.c (make_sstring_space): Trust xrealloc to function
20598 correctly with first parameter NULL.
20599 * stor-layout.c: Include ggc.h.
20600 (set_sizetype): Add gc root.
20601 (init_stor_layout_once): New function.
20602 * toplev.c (compile_file): Call it.
20604 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20605 Bernd Schmidt <bernds@cygnus.co.uk>
20606 Mark Mitchell <mark@codesourcery.com>
20608 * Makefile.in (tree.o): Depend on ggc.h.
20609 (varasm.o): Likewise.
20610 (function.o): Likewise.
20611 (stmt.o): Likewise.
20612 (except.o): Likewise.
20613 (optabs.o): Likewise.
20614 (emit-rtl.o): Likewise.
20615 * emit-rtl.c: Include ggc.h.
20616 (sequence_element_free_list): Remove, and all references.
20617 (mark_sequence): New functions.
20618 (mark_emit_state): New function.
20619 * except.c: Include ggc.h.
20620 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20621 (mark_tree_label_node): New functions.
20622 (mark_eh_state): New function.
20623 * function.c: Include ggc.h.
20624 (mark_temp_slot, mark_function_chain): New functions.
20625 (mark_function_state): New function.
20626 (init_function_once): New function.
20627 * function.h (init_function_once): New function.
20628 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20629 * ggc.h (label_node): Declare.
20630 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20631 (lang_mark_false_label_stack): New function.
20632 (mark_temp_slot): Remove declaration.
20633 (mark_function_chain): Likewise.
20634 (mark_eh_state): Adjust prototype.
20635 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20637 * optabs.c: Include ggc.h.
20638 (mark_optab): New function.
20639 (init_optabs): Add gc roots.
20640 * stmt.c: Include ggc.h.
20641 (mark_cond_nesting, mark_loop_nesting): New functions.
20642 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20643 (mark_stmt_state): New function.
20644 * toplev.c (compile_file): Call init_function_once.
20645 * tree.c: Include ggc.h.
20646 (type_hash): Move declaration earlier in file.
20647 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20648 (init_obstacks): Add gc roots.
20649 (mark_type_hash): New function.
20650 * varasm.c: Include ggc.h.
20651 (mark_pool_constant): New function.
20652 (mark_varasm_state): New function.
20654 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20656 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20658 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20660 * c-decl.c (struct language_function): Renamed from struct c_function.
20662 (c_function_chain): Delete.
20663 (push_c_function_context): New arg F. Don't warn about nested
20664 functions here. Fill LANGUAGE elt of F. Delete code to update
20665 c_function_chain. Don't call push_function_context.
20666 (pop_c_function_context): New arg F. Restore from there instead of
20667 from c_function_chain. Don't call pop_function_context. Clear out
20668 LANGUAGE field of F when done.
20669 * c-lang.c: Include "function.h"
20670 (lang_init): Initialize save_lang_status and restore_lang_status.
20671 * c-parse.in (nested_function, nested_function_notype): Warn about
20672 nested functions. Call push_function_context/pop_function_context
20673 instead of the _c_ variants.
20674 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20676 * Makefile.in (c-lang.o): Update dependencies.
20678 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20679 regno_pointer_flag, regno_pointer_align.
20680 (gen_reg_rtx): Use xrealloc to enlarge them.
20681 (free_emit_status): New function.
20682 * function.c (mark_machine_status, mark_lang_status): New variables.
20683 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20684 in some bits from assign_stack_local. All callers changed to use new
20686 (assign_stack_local): Just call assign_stack_local_1.
20687 (free_after_compilation): New function.
20688 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20689 (trampoline_address): Likewise.
20690 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20691 (prepare_function_start): Explicitly clear some more variables.
20692 * function.h (struct function): New elt can_garbage_collect.
20693 (mark_machine_status, mark_lang_status): Declare variables.
20694 (free_after_compilation, free_emit_status, free_varasm_status,
20695 init_varasm_status): Declare functions.
20696 * toplev.c (rest_of_compilation): Call free_after_compilation when
20697 done with the current function.
20698 * varasm.c (free_varasm_status): New function.
20700 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20702 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20703 (EXPAND_BUILTIN_VA_ARG): Define.
20704 * sparc.c (sparc_va_start): New.
20705 (sparc_va_arg): New.
20707 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20709 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20711 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20713 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20715 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20717 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20718 (OBJS): Add $(GGC).
20719 (ggc-callbacks.o): New target.
20720 * ggc-callbacks.c: New file.
20722 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20724 * expr.h: Collapse individual optab and libfunc vars to arrays.
20725 (optab_index, libfunc_index): New enumerations.
20726 (optab_table, libfunc_table): New arrays.
20727 Add accessor macros for both.
20729 * optabs.c (optab_table, libfunc_table): New.
20730 Delete declarations for individual optab and libfunc vars.
20732 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20734 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20736 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20738 * Makefile.in (GGC, GGC_LIB): New.
20739 (HOST_RTL): Include ggc-none.o.
20740 (ggc-simple.o): New target.
20741 (ggc-none.o): Likewise.
20742 * tree.h (tree_common): Add gc_mark.
20743 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20744 (struct rtvec_def): Add gc_mark.
20745 * emit-rtl.c (global_rtl): Update static initializers to contain
20746 enough initializers.
20747 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20748 * toplev.c (gc_time): New variable.
20749 (all_time): New variable.
20750 (compile_file): Print gc time.
20751 (print_time): Calculate percentage of the whole.
20753 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20755 Change obstack memory management and varasm constant pool handling so
20756 that nested functions are treated like any other functions.
20757 * function.c (init_machine_status): New variable.
20758 (push_function_context_to): Set contains_functions for the outer
20759 function. Don't call save_varasm_status.
20760 (pop_function_context_from): Don't call restore_varasm_status. Don't
20761 set current_function_contains_functions.
20762 (prepare_function_start): Call init_varasm_status rather than
20763 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20765 * function.h (struct function) Add field varasm. Delete fields
20766 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20767 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20768 (init_machine_status): Declare.
20769 (save_varasm_status, restore_varasm_status): Delete declarations.
20770 (save_tree_status, restore_tree_status): Delete last argument.
20771 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20772 code. All callers changed.
20773 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20774 save_constants_in_decl_trees, restore_constants, save_constants,
20775 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20777 (inlining): New variable.
20778 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20779 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20781 (save_for_inline_nocopy): Don't save constants.
20782 Don't set inl_emit field in current_function.
20783 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20784 function. Set new variable inlining before
20785 calling copy_rtx_and_substitute.
20786 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20787 constant pool references if inlining is nonzero.
20788 Delete ADDRESS and (most of the) CONST cases.
20789 (output_inline_function): Save and restore current_function/
20790 current_function_decl. Delete restore_constants code. Don't call
20791 init_const_rtx_hash_table.
20792 * output.h (init_const_rtx_hash_table): Don't declare.
20793 * rtl.h (struct function): Declare.
20794 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20795 * toplev.c (rest_of_compilation): Don't treat nested functions or
20796 functions containing them specially. Delete all code to deal with
20797 save_for_inline_copying.
20798 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20799 inline_obstacks): Delete variables.
20800 (save_tree_status): Lose arg CONTEXT. All callers changed.
20801 Simply allocate a new function_maybepermanent_obstack for the new
20802 function, delete all the special cases.
20803 Don't save inline_obstacks.
20804 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20805 Delete special handling for function_maybepermanent_obstack; simply
20807 Don't restore inline_obstacks.
20808 (permanent_allocation): Delete code that frees inline_obstacks.
20809 (print_inline_obstack_statistics): Delete function.
20810 (dump_tree_statistics): Don't call it.
20811 * varasm.c (struct varasm_status): New.
20812 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20813 last_pool, pool_offset, const_double_chain): Delete global
20814 variables, replace with accessor macros.
20815 (immed_double_const): Don't walk const_double_chain outside a
20816 function, but don't treat nested functions specially anymore.
20817 (immed_real_const_1): Likewise.
20818 (clear_const_double_mem): Don't treat nested functions specially.
20819 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20820 (save_varasm_status, restore_varasm_status): Delete functions.
20821 (init_varasm_status): New function.
20822 (force_const_mem): Don't treat nested functions specially.
20823 (find_pool_constant): Accept new arg F, search for constants in
20824 that function's pool rather than the current one. All callers
20826 (get_pool_constant_for_function, get_pool_mode_for_function): New
20829 * i386.c (init_386_machine_status): New function, mostly from
20830 clear_386_stack_locals.
20831 (struct machine_functions): Rename element names to avoid name
20833 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20834 macros, replacing global variables.
20835 (clear_386_stack_locals, save_386_machine_status,
20836 restore_386_machine_status): Delete functions.
20837 (override_options): Initialize init_machine_status.
20838 * i386.h (INIT_EXPANDERS): Delete macro.
20839 (save_386_machine_status, restore_386_machine_status,
20840 clear_386_stack_locals): Delete declarations.
20842 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20844 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20845 (doloop_begin): Simplify pattern and use emit_jump_insn.
20846 (doloop_end): Simplify pattern, switch operand order,
20847 and use emit_jump_insn.
20849 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20851 * function.h (struct function): Add new element LANGUAGE.
20852 (save_lang_status): Declare new variable.
20853 (restore_lang_status): Likewise.
20854 * function.c (save_lang_status): Define.
20855 (restore_lang_status): Likewise.
20856 (push_function_context_to): Call language-specific save function.
20857 (pop_function_context_from): Call language-specific restore function.
20859 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20861 * i386.md (movsf_1): Check REG_P before use of REGNO.
20862 (movdf_1): Likewise.
20863 (movxf_1): Likewise.
20864 (extendsfdf2): Likewise.
20865 (extendsfxf2): Likewise.
20866 (extenddfxf2): Likewise.
20868 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20870 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20871 constants into memory.
20872 (c4x_shiftable_constant): New function.
20873 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20874 (c4x_shiftable_constant): Declare.
20875 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20876 ashlqi3_noclobber): Add new patterns and associated splitters.
20878 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20880 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20881 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20882 * final.c (shorten_branches): Likewise.
20883 * global.c (global_alloc): Likewise.
20884 * haifa-sched.c (build_control_flow): Likewise.
20885 * stmt.c (check_for_full_enumeration_handling): Likewise.
20886 (estimate_case_costs): Likewise.
20888 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20890 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20892 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20894 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20895 (recompute_reg_usage): Likewise.
20896 * rtlanal.c (find_regno_fusage): Likewise.
20898 * rtl.c (rtl_check_failed_code1): New function.
20899 (rtl_check_failed_code2): New.
20900 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20901 (RTL_CHECKC1, RTL_CHECKC2): New.
20902 (XC*): New accessor macros.
20903 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20904 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20905 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20906 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20907 (TRAP_*, RANGE_INFO_*): Likewise.
20909 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20911 * Makefile.in (tlink.o): Don't depend on toplev.h.
20913 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20914 output_file, nm_file_name, ldd_file_name, strip_file_name,
20915 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20916 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20917 fork_execute, maybe_unlink, add_to_list,
20918 extract_init_priority, write_list, dump_list,
20919 dump_prefix_list, write_list_with_asm, write_c_file,
20920 write_c_file_stat, write_c_file_glob, scan_prog_file,
20921 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20922 ignore_library, extract_string, notice, dump_file, target_machine,
20923 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20924 read_file, print_load_command): Constify a char*.
20925 (fdopen, error, fatal, fatal_perror): Don't prototype.
20926 (my_strerror): Remove. All callers use xstrerror instead.
20927 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20928 (main): Add prototype. Constify lots of char* ptrs. Change calls
20929 to xcalloc/strcpy/strcat/... to one call to concat.
20930 (main, scan_prog_file, scan_libraries): Use an intermediate
20931 `const char **' to build an argv array.
20932 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20934 * collect2.h (collect_execute, collect_wait, dump_file,
20935 file_exists): Constify a char*.
20936 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20937 temporary_firstobj, vflag, debug): Add extern declarations.
20938 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20940 * tlink.c: Don't include toplev.h.
20941 (vflag, debug, ldout, c_file_name, temporary_obstack,
20942 permanent_obstack, temporary_firstobj): Don't declare.
20943 (tlink_execute, frob_extension, symbol_hash_lookup,
20944 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20945 recompile_files, read_repo_files, demangle_new_symbols,
20946 scan_linker_output): Constify a char*.
20947 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20948 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20950 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20952 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20953 (relative) rather than jsr (absolute) subroutine call insns.
20954 * config/m68k/m68k-coff.h: Ditto.
20956 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20958 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20959 now rework these too.
20960 (arm_reorg): If an insn can't reach the end of the current pool,
20961 ensure that we emit that pool before the insn.
20963 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20965 * tlink.c (scan_linker_output): Skip the initial underscore in
20966 a mangled name if appropriate.
20968 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20970 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20971 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20972 error_with_ivar, gen_declarator, create_builtin_decl,
20973 my_build_string, generate_descriptor_table, generate_ivars_list,
20974 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20975 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20976 dump_base_name, lang_decode_option, build_encode_expr,
20977 start_class, finish_class, encode_pointer, really_start_method,
20978 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20980 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20981 Add static prototypes.
20982 (build_objc_string_decl, build_selector_reference_decl,
20983 encode_bitfield, build_class_reference_decl): Remove unused
20984 parameter, all callers changed.
20985 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20986 (objc_printable_name): Likewise. Change second parameter to type int.
20987 (init_objc): Use memcpy, not bcopy, to avoid casts.
20989 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20991 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20992 reg notes on a deleted insn.
20993 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20995 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20997 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20999 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21001 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21004 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21006 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21007 * tm.texi (MD_ASM_CLOBBERS): Document it.
21009 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21011 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21012 * except.c (expand_rethrow): Remove unused variable.
21013 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21014 * flow.c (replace_insns): Likewise.
21015 (create_edge_list, verify_edge_list): Likewise.
21016 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21018 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21019 is special code to run.
21020 (main): Don't define operands to emit_operand.
21021 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21023 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21025 * alpha/alpha.h (normal_memory_operand): Declare.
21026 (reg_no_subreg_operand): Declare.
21027 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21029 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21031 * c-parse.in (compstmt_primary_start): New, broken out of first
21032 part of compstmt handling in primary.
21033 (primary): Use it. Add an error clause.
21034 (compstmt_nostart): Renamed from compstmt; remove all
21035 initial invocations of compstmt_start.
21038 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21040 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21043 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21045 * combine.c (simplify_shift_const): Remove extra semicolon.
21046 * dwarf2out.c (remove_AT): Likewise.
21047 * expmed.c (expand_mult): Likewise.
21048 * gcov.c (create_program_flow_graph): Likewise.
21049 * reorg.c (mostly_true_jump): Likewise.
21051 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21053 * fold-const.c (fold_range_test): Do not try to fold the range
21054 test if the rhs or lhs has side effects.
21056 * combine.c (simplify_rtx): Recognize another case of a synthesized
21059 * varasm.c (mark_constant_pool): When marking indirect references,
21060 only look at SYMBOL_REFs.
21062 * except.c (expand_fixup_region_end): Do not peek at
21063 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21065 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21067 * flags.h: New variables align_loops, align_loops_log,
21068 align_jumps, align_jumps_log, align_labels, align_labels_log,
21069 align_functions, align_functions_log.
21070 * toplev.c: Define them.
21071 (f_options): Handle -falign-* when they have no argument.
21072 (main): Add logic to set variables for -falign-functions,
21073 -falign-jumps, -falign-labels, -falign-loops.
21074 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21075 (display_help): Change help to match options.
21076 * final.c (LABEL_ALIGN): Default to align_labels_log.
21077 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21078 (LOOP_ALIGN): Default to align_loops_log.
21079 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21080 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21081 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21082 * varasm.c (assemble_start_function): Handle align_functions.
21084 * config/sparc/sparc.h: Don't declare sparc_align_*.
21085 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21086 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21088 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21090 * config/sparc/sparc.c: Delete sparc_align_loops,
21091 sparc_align_jumps, sparc_align_funcs and the corresponding string
21093 (sparc_override_options): Default align_functions on ultrasparc.
21094 Delete -malign-* handling.
21096 * config/mips/mips.c (override_options): On 64-bit targets,
21097 try to align code to 64-bit boundaries.
21098 (print_operand): New substitution, %~,
21099 which aligns labels to align_labels_log.
21100 * config/mips/mips.md (div_trap_normal): Use %~.
21101 (div_trap_mips16): Likewise.
21103 (absdi2): Likewise.
21104 (ffssi2): Likewise.
21105 (ffsdi2): Likewise.
21106 (ashldi3_internal): Likewise.
21107 (ashrdi3_internal): Likewise.
21108 (lshrdi3_internal): Likewise.
21109 (casesi_internal): Likewise.
21111 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21113 Merge new ia32 backend from the branch!
21115 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21116 See ChangeLog.P2 on new_ia32_branch for details.
21118 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21119 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21120 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21121 * i386/gas.h (ASM_FILE_START): Define.
21122 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21123 for name change of ix86_valid_decl_attribute_p.
21124 (i386_pe_valid_type_attribute_p): Similarly.
21126 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21128 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21129 to step through CC modes.
21131 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21133 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21134 it would end up in the shadow of a live flags regsiter.
21136 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21138 * reload1.c: Fix many indentation problems.
21139 * reload.c: Likewise.
21141 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21143 * alias.c (non_local_reference_p): Constify fmt.
21145 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21147 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21149 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21151 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21152 the internal_arg_pointer.
21154 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21156 Merge peephole2 from new_ia32_branch:
21157 * Makefile.in (STAGESTUFF): Add *.peephole2.
21158 (mostlyclean): Likewise.
21159 (recog.o): Depend on resource.h.
21161 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21162 (final_scan_insn): Likewise for the invocation of peephole.
21163 * genconfig.c (main): Look for peephole and peephole2 patterns.
21164 Emit HAVE_peephole* accordingly.
21165 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21166 * flags.h (flag_peephole2): Declare.
21167 * toplev.c: New pass peephole2. New flag -fpeephole2.
21169 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21170 * gencodes.c (main): Likewise.
21171 * genextract.c (main): Likewise.
21172 * genoutput.c (main): Likewise.
21173 * genemit.c (max_operand_1): Look for the max scratch operand.
21174 (gen_rtx_scratch): New.
21175 (gen_exp): Use it, and pass on new arg subroutine_type.
21176 (gen_expand): Take max scratch into account.
21177 (gen_split): Emit peephole2 functions.
21178 (output_peephole2_scratch): New.
21179 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21180 * genrecog.c (routine_type): Add PEEPHOLE2.
21182 (make_insn_sequence): Match outer parallel for peep2. Discard
21183 top level scratches and dups.
21184 (add_to_sequence): New args insn_type and top. Update all callers.
21185 Handle toplevel peep2 matching insns.
21186 (write_subroutine): Handle peep2.
21187 (write_tree_1): Likewise.
21188 (write_tree): Likewise.
21190 (change_state): New arg afterward. Update all callers.
21191 Handle matching separate insns.
21192 * recog.c (recog_next_insn): New.
21193 (peephole2_optimize): New.
21194 * rtl.def (DEFINE_PEEPHOLE2): New.
21195 * resource.c (find_free_register): New argument last_insn. Use it
21196 to find a register available through the entire span.
21197 * resource.h (find_free_register): Update prototype.
21199 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21201 * i386.c (output_strlen_unroll): Don't write xops[7]
21202 label if it wasn't set.
21204 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21206 * cpplib.c (struct directive): Const-ify name pointer and
21207 function pointer prototype.
21208 (validate_else, do_define, do_line, do_include, do_undef,
21209 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21210 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21211 do_warning): Const-ify second arg.
21212 (directive_table): Mark const. Reorder entries by frequency
21213 of usage, record statistics.
21215 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21217 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21218 bounds- check RTL accesses if --enable-checking.
21219 (RTVEC_ELT): Bounds check if --enable-checking.
21220 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21221 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21222 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21224 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21225 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21227 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21228 (NOTE_SOURCE_FILE): Use X0STR.
21229 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21230 MEM_ALIAS_SET): Use X0INT.
21231 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21232 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21234 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21235 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21236 (rtl_check_failed_bounds, rtl_check_failed_type1,
21237 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21239 (fancy_abort): Fix comment.
21241 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21242 (cse_insn): Decrement LABEL_NUSES for jump target before
21243 deleting jump insn.
21244 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21245 * final.c (alter_subreg): Compute regno before changing x to
21246 REG; set REGNO(x) after changing it.
21247 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21248 notes containing CONST_INTs.
21249 (delete_eh_regions): Use NOTE_EH_HANDLER.
21250 * function.c (put_reg_into_stack): Make reg a MEM before
21252 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21254 (gen_mem_addressof): Make reg a MEM before initializing it.
21255 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21257 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21258 deleting an insn, not after.
21259 (block_alloc): Only look at PATTERN(insn) if we have to, and
21260 only if it's format class 'i'.
21261 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21262 CONST_INT before using its INTVAL.
21263 * print-rtl.c (print_rtx): Use X0STR.
21264 * regmove.c (fixup_match_1): Don't look at PATTERN of
21265 non-class-'i' insn chain elements.
21266 * reload.c (loc_mentioned_in_p): Take address of
21267 in->fld[1].rtx directly.
21268 * reload1.c (reload): Change reg to a MEM before initializing
21270 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21272 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21274 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21276 * config/mips/mips.c (machine_dependent_reorg): Force a
21277 barrier to output the local constant pool if a barrier hasn't
21278 been found at a natural point in the instruction stream.
21280 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21282 * c-parse.in (language_string): Constify.
21284 * dwarf2out.c (language_string): Remove declaration.
21286 * dwarfout.c (language_string): Likewise.
21288 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21290 * tree.h (language_string, init_parse, finish_parse): Declare.
21292 * i386/sun386.h (language_string): Remove declaration.
21294 * mips.h (language_string): Likewise.
21296 * nextstep.h (language_string): Likewise.
21298 * nextstep21.h (language_string): Likewise.
21300 * rs6000.c (language_string): Likewise.
21302 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21304 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21305 (getpwd.o): Remove target.
21307 * getpwd.c: Delete file. Its in libiberty now.
21309 * dbxout.c (getpwd): Don't prototype.
21310 * dwarf2out.c (getpwd): Likewise
21311 * dwarfout.c (getpwd): Likewise
21312 * final.c (getpwd): Likewise.
21313 * protoize.c (getpwd): Likewise.
21315 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21317 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21319 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21321 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21322 mark_set_resources.
21324 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21326 * fixinc/Makefile.in (subdir): New.
21327 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21330 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21332 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21333 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21336 * invoke.texi: Fix typo.
21338 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21339 changed. Handle autoincrement addressing modes.
21341 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21342 just like we would the virtual incoming args register when
21345 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21347 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21348 path, in .file directive.
21350 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21352 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21355 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21357 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21360 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21362 * tree.c (tree_code_name): Constify a char*.
21364 * tree.h (tree_code_name, decl_printable_name): Likewise.
21366 * function.h (struct function): Likewise.
21368 * toplev.c (decl_name, decl_printable_name): Likewise.
21370 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21372 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21373 (init_objc): Remove function pointer cast.
21375 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21377 * pa.md (interspace_jump): New pattern.
21378 (builtin_longjmp): New expander.
21380 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21382 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21383 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21384 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21386 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21388 * jump.c (delete_prior_computation): Also check calls
21389 to constant functions. Don't bother checking for a
21390 REG_UNUSED note before adding it.
21391 (delete_computation): Handle multi-word hard registers
21392 when synthesizing missing REG_DEAD notes for a register
21393 which is both set and used by an insn.
21395 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21397 * loop.c (this_loop_info): New variable.
21398 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21399 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21401 (prescan_loop, strength_reduce): New argument loop_info. All callers
21403 (scan_loop): New variable loop_info, initialise to address of
21405 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21406 Delete variable loop_has_multiple_exit targets and replace with
21407 field in this_loop_info.
21408 (find_and_verify_loops): Rename this_loop to this_loop_num.
21409 (strength_reduce): Delete loop_iteration_info. Replace variable
21410 loop_info with function argument of same name.
21411 (insert_bct): Rework test for loop being completely unrolled.
21413 * loop.h (struct loop_info): New fields num, loops_enclosed,
21414 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21415 has_indirect_jump, and cont. Redefine use of unroll_number.
21416 (loop_unroll_number): Delete.
21418 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21419 field of loop_info.
21420 (loop_iterations): Delete variable vtop and instead use
21421 loop_info->vtop computed in prescan_loop.
21423 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21425 * fix-header.c (main): Do not pass a null pointer to strcmp.
21427 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21429 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21431 * configure: Rebuilt.
21433 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21435 * jump.c (jump_optimize_1): Do not delete assignments to
21436 internal_arg_pointer.
21437 * cse.c (delete_trivially_dead_insns): Always consider a set of
21438 the internal_arg_pointer live.
21440 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21442 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21443 (update_life_info) [REG_WAS_0]: Search the original insns rather
21444 than the new insns for the note. Fix typos finding note_dest.
21445 If no dest found, discard the note rather than abort.
21446 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21447 (replace_insns): Remove the old insn list after update_life_info
21450 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21452 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21453 sched_analyze_insn.
21454 (sched_analyze_1): Let add_dependence care for not adding dups.
21455 (sched_analyze_2): Likewise.
21456 (add_branch_dependences): Likewise.
21458 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21460 * i386/winnt.c (export_list): New type.
21461 (exports_head): Rename to
21462 (export_head): this.
21463 (i386_pe_record_exported_symbol): Add is_data flag.
21464 (i386_pe_asm_file_end): Emit directive for exported variables.
21465 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21467 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21468 (ASM_DECLARE_OBJECT_NAME): Likewise.
21469 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21470 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21472 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21474 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21476 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21479 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21481 * config/openbsd.h: Define SET_ASM_OP.
21482 * tm.texi: cross-reference SET_ASM_OP in the index.
21484 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21486 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21487 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21488 and class_narrowest_mode at compile time. Kill init_rtl.
21489 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21490 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21491 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21493 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21495 * rtl.h: Declare rtx_length and rtx_format as const.
21496 * machmode.def: Define CC(). Use CC() to define CCmode. If
21497 EXTRA_CC_MODES is defined, expand it here.
21498 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21499 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21500 const. Kill all references to EXTRA_CC_MODES.
21502 * toplev.c: Don't prototype or call init_rtl.
21503 * optabs.c: Don't call init_mov_optab.
21504 * genemit.c: Don't generate init_mov_optab. Don't call
21506 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21508 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21509 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21510 genrecog.c: Don't call init_rtl.
21512 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21513 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21514 definition of EXTRA_CC_MODES.
21516 * md.texi: Kill ref to EXTRA_CC_NAMES.
21517 * tm.texi: Document new way to define EXTRA_CC_MODES.
21519 * genrecog.c: Do not look up the name of a define_split.
21520 (Unrelated bugfix.)
21522 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21524 * config/v850/v850.md: Fix typo introduced by previous delta.
21526 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21528 * gcc.c (fatal): Make definition static to match prototype.
21530 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21532 * combine.c (get_last_value): Don't look for earlier sets if the last
21533 known set is somewhere in between the insns being combined.
21535 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21537 * configure.in: Don't use shell ! to negate exit codes
21538 * configure: Regenerate
21540 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21542 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21543 the fact that ALIGN is measured in bits, not bytes.
21545 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21547 * errors.c: New file; defines functions error, warning, and
21548 fatal, variables have_error and progname.
21549 * errors.h: New file; prototypes and decls for stuff in errors.c.
21551 * Makefile: Add rules to build errors.o and
21552 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21553 genopinit, genrecog, genextract, genpeep, genattr, and
21554 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21555 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21556 genpeep.o, genattr.o, and genoutput.o.
21558 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21559 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21560 define or prototype fatal. Set progname at beginning of main.
21561 * genoutput.c: Likewise, and don't define or prototype error
21564 * c-typeck.c (c_expand_start_case): Return immediately if exp
21566 * fold-const.c (operand_equal_p): Return immediately if arg1
21567 or arg0 are ERROR_MARKs.
21568 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21569 fields of type ERROR_MARK when calculating if the record can
21572 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21573 with much help from Jeffrey A Law and Richard Henderson
21575 * i386.md: In the 6 insns which call output_fix_trunc,
21576 earlyclobber operands[0].
21578 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21580 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21581 creating new registers.
21583 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21585 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21586 i386_reg_alloc_order, i386_regparm_string,
21587 i386_align_loops_string, i386_align_jumps_string,
21588 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21589 and i386_branch_cost_string as type "const char *".
21590 * i386.c: Define all above strings as type "const char *".
21592 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21594 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21595 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21597 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21599 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21600 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21602 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21604 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21605 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21606 (dwarf2out_line, dwarf2out_finish): Likewise.
21607 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21609 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21611 * tree.c (lang_unsave_expr_now) : Correct return type.
21612 * tree.h (lang_unsave_expr_now) : Same.
21614 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21616 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21617 instead of duplicating code.
21619 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21621 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21623 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21625 * tree.h: fancy_abort always takes three args.
21626 * resource.c: Move include of system.h before toplev.h.
21628 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21630 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21633 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21635 * system.h: Don't redefine abort or trim_filename.
21636 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21637 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21638 whether or not __FUNCTION__ is available.
21639 * tree.h: Duplicate rtl.h's definition of abort, for files
21640 that don't include rtl.h. Delete all code to perform type
21641 checking with a compiler other than GCC.
21642 * varray.h: Delete all code to perform type checking with a
21643 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21644 its arguments exactly once, using a statement expression.
21645 Adjust the VARRAY_<type> accessor macros to match.
21646 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21647 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21648 caller's location. Define fatal_insn and fatal_insn_not_found
21649 as macros that use _fatal_insn and _fatal_insn_not_found.
21650 (fancy_abort, trim_filename): Kill prototypes.
21652 * rtl.c (trim_filename): Move here from toplev.c.
21653 (fancy_abort): New function.
21654 (DIR_SEPARATOR): Provide default definition.
21655 * tree.c (tree_check_failed, tree_class_check_failed): Go
21656 through fancy_abort.
21657 (tree_check, tree_class_check, cst_or_constructor_check,
21658 expr_check): Delete.
21659 * varray.c (varray_check_failed): New function.
21660 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21661 _fatal_insn and _fatal_insn_not_found. Go through
21663 (trim_filename, fancy_abort): Delete.
21665 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21666 * except.c (start_catch_handler): Report ICE with error/abort
21668 * final.c (output_operand_lossage): Likewise.
21669 * flow.c (verify_flow_info): Likewise.
21671 * gcc.c: Prototype fatal.
21672 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21673 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21674 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21675 Don't define fancy_abort.
21677 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21679 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21682 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21684 * m88k.h (VERSION_INFO2): Kill.
21685 (VERSION_STRING): Kill.
21687 (VERSION_INFO1): Tidy.
21688 (TARGET_VERSION): Update.
21689 * m88k/dgux.h (VERSION_INFO2): Kill.
21690 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21691 * m88k/luna.h (VERSION_INFO1): Tidy.
21692 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21693 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21694 (output_file_start): Adjust for death of VERSION_STRING.
21696 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21698 * cpplib.c (detect_if_not_defined): New function.
21699 (do_if): Use it to detect potential once-only headers.
21701 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21703 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21705 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21707 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21708 anywere in the function only if they are pseudos and set before
21709 being used (not live at the start of the function).
21710 (num_sign_bit_copies) : Same.
21711 (get_last_value_validate) : Same.
21712 (get_last_value) : Same.
21714 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21716 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21717 where N and M are constant and N is an integer multiple of M.
21719 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21721 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21722 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21723 sbitmap_union_of_preds): Add prototypes.
21724 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21725 the intersection of successors with the new flow graph structures.
21726 (sbitmap_intersection_of_preds): New function to compute the
21727 intersection of predecessors with the new flow graph structures.
21728 (sbitmap_union_of_succs): New function to compute the union of
21729 successors with the new flow graph structures.
21730 (sbitmap_union_of_preds): New function to compute the union of
21731 predecessors with the new flow graph structures.
21732 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21733 (expr_reaches_here_p): Use edge and basic_block structures instead
21734 of s_preds and s_succs.
21735 (compute_cprop_avinout): Use new sbitmap routines.
21736 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21737 of s_preds and s_succs.
21738 * flow.c (compute_flow_dominators): Compute dominators using
21739 edges and basic blocks instead of s_preds and s_succs.
21741 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21743 * lists.c (unused_insn_list, unused_expr_list): New file for
21744 maintaining various types of lists. New statics for maintaining a
21745 cache of available INSN_LIST and EXPR_LIST nodes.
21746 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21747 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21748 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21749 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21750 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21751 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21752 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21753 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21754 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21755 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21756 (remove_dependence, free_pending_lists): Use new global routines.
21757 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21758 (sched_analyze, compute_block_backward_dependences): Use new routines.
21759 (sched_analyze_1, sched_analyze_2): Use new routines.
21760 (schedule_insns): Use new global routines.
21761 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21763 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21764 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21766 * toplev.c (rest_of_compilation): Initialize node cache.
21767 * Makefile.in (OBJS): Add lists.o to list of object files.
21768 (lists.o): Add dependancies.
21770 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21772 * config/v850/v850.md: Fix compile time warning messages.
21773 * config/v850/v850.c: Fix compile time warning messages.
21774 * config/v850/v850.h: Fix compile time warning messages.
21776 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21778 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21779 Remove unused prototype for `init_lengths'.
21781 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21783 * calls.c (emit_call_1): Mark parameter `stack_size' with
21785 (expand_call): Initialize variable `insn'.
21786 (emit_library_call): Likewise for variable `high_to_save'.
21787 (emit_library_call_value): Likewise.
21788 (store_one_arg): Likewise for variables `lower_bound' and
21791 * combine.c (try_combine): Likewise for variables `i2_code_number'
21792 and `other_code_number'.
21793 (find_split_point): Likewise for variables `pos', `unsignedp' and
21795 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21796 (simplify_and_const_int): Remove unused variable `width'.
21797 (merge_outer_ops): Likewise.
21799 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21800 HOST_WIDE_INT' when comparing against one.
21801 (simplify_relational_operation): Likewise.
21802 (cse_insn): Initialize variables `src_eqv_volatile',
21803 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21805 * final.c (init_final): Constify parameter `filename'.
21806 (final_start_function): Mark parameter `optimize' with
21808 (profile_function): Likewise for parameters `first' and `optimize'.
21809 (output_source_line): Likewise for parameter `file'.
21811 * integrate.c (subst_constants): Cast a value to `size_t' when
21812 comparing against one.
21813 (mark_stores): Initialize variable `mode'. Cast a value to
21814 `size_t' when comparing against one.
21816 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21818 * loop.c (move_movables): Initialize variable `first'.
21819 (strength_reduce): Likewise for variable `increment'.
21820 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21821 value to `size_t' when comparing against one.
21822 (load_mems): Initialize variable `end_label'.
21824 * output.h (init_final): Constify parameter.
21826 * reload.c (decompose): Initialize variable `base'.
21828 * reload1.c (reload): Likewise for variable `is_scalar'.
21829 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21830 (choose_reload_regs): Initialize variable `mode'.
21831 (emit_reload_insns): Likewise for variable `store_insn'.
21832 (reload_cse_noop_set_p): Mark parameter `insn' with
21834 (reload_combine): Initialize variable `set'.
21836 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21837 (copy_loop_body): Cast a value to `size_t' when comparing against
21840 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21841 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21842 (remove_from_pending_weak_list): Mark parameter `name' with
21845 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21847 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21850 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21852 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21853 (ASM_DECLARE_FUNCTION_NAME): Define.
21854 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21855 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21856 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21857 not already defined.
21859 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21861 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21862 of n_popped when call/call_value are not defined.
21864 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21866 * tm.texi: GNU CC -> GCC conversion.
21867 (CC1_SPEC): Indicate it is used for all language front ends.
21869 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21871 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21872 NOTE_INSN_EH_REGION_END correctly.
21874 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21875 Jeff Law <law@cygnus.com>
21877 * loop.c (strength_reduce): Automatically unroll loops if the
21878 unrolled loop size is smaller than the rolled loop size.
21880 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21881 and delete comment that code should be rewritten.
21883 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21885 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21888 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21890 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21892 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21893 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21894 (LINK_SPEC): Add -u _main when building executables.
21895 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21896 (ASM_FILE_END): Use the default for ix86-pe.
21897 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21899 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21901 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21902 and ASM_CLOSE_PAREN are empty strings.
21904 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21905 Geoffrey Keating <geoffk@cygnus.com>
21907 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21908 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21909 (unprotoize.o): Ditto.
21910 (test-protoize-simple): Don't define STD_PROTO_DIR.
21911 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21912 changes to make 'test-protoize-simple' pass.
21913 (STD_PROTO_DIR): Remove define.
21914 (STANDARD_EXEC_PREFIX): Supply default define.
21915 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21916 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21917 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21918 (GET_ENV_PATH_LIST): New macro.
21919 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21920 (do_processing): Initialize default_syscalls_dir using new
21921 macros. Use it to initialize syscalls_absolute_filename.
21923 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21925 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21926 B into a register before emit_conditional_move.
21928 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21930 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21931 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21932 multiplicand out of (+ (* a b) (* c d)).
21934 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21935 Richard Henderson <rth@cygnus.com>
21937 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21938 (new_insn_dead_notes): Likewise.
21939 (update_n_sets): Likewise.
21940 (update_flow_info): Move to flow.c, renamed to update_life_info;
21941 extend to handle multiple source insns.
21942 * flow.c: Include resource.h
21943 (unlink_insn_chain): New.
21944 (split_hard_reg_notes): New.
21945 (maybe_add_dead_note): New.
21946 (maybe_add_dead_note_use): New.
21947 (find_insn_with_note): New.
21948 (new_insn_dead_notes): New.
21949 (update_n_sets): New.
21950 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21951 (maybe_remove_dead_notes): New.
21952 (update_life_info): New.
21953 (prepend_reg_notes): New.
21954 (replace_insns): New.
21955 * output.h (update_life_info): Declare.
21956 * recog.c (split_block_insns): Use update_life_info.
21957 * resource.c (find_free_register): Use reg_alloc_order, don't use
21958 fixed regs, make sure the mode is supported, don't use new regs.
21960 * rtl.h (replace_insns): Declare.
21962 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21964 * expr.c (expand_expr): Cope with COND_EXPRs with one
21965 non-returning branch.
21967 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21969 * expr.c (store_expr): Always pass down the target, even when not
21972 1999-08-24 Nick Clifton <nickc@cygnus.com>
21974 * configure.in: Define target_cpu_default for v850 targets.
21975 * configure: Regenerate
21977 * config/v850/v850.h (TARGET_CPU_generic): Define.
21978 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21979 addresses are 4 byte aligned.
21981 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21984 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21986 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21987 (main): Add prototypes.
21989 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21990 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21991 (write_attr_get): Emit prototypes along with function definition.
21992 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21993 (write_complex_function): Emit static prototype along with
21994 function definition.
21996 * genemit.c (gen_split): Emit prototypes along with function
21999 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22000 Likewise for predicates and `insn_operand_predicate'.
22001 (process_template): Emit static prototype along with function
22004 * genrecog.c (make_insn_sequence): Constify a char*. Add
22005 prototypes for get_split_*().
22006 (write_subroutine): Emit prototypes along with function
22009 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22011 * gcse.c (find_avail_set): Follow chains of register-register copies.
22012 Use oprs_not_set_p to guarantee that the returned value can be
22014 (cprop_insn): Don't verify the return value of find_avail_set with
22017 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22018 (cprop_cc0_jump): New function.
22019 (cprop_insn): Break out new function cprop_jump and use it.
22020 Also use cprop_cc0_jump for machines with CC0.
22021 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22023 * tree.h (current_function_calls_setjmp,
22024 current_function_calls_longjmp): Delete declarations.
22025 * dsp16xx.c: Include "function.h".
22026 * elxsi.c: Likewise.
22027 * gmicro.c: Likewise.
22028 * h8300.c: Likewise.
22029 * i370.c: Likewise.
22030 * m32r.c: Likewise.
22031 * mn10200.c: Likewise.
22032 * mn10300.c: Likewise.
22033 * ns32k.c: Likewise.
22034 * spur.c: Likewise.
22035 * v850.c: Likewise.
22037 * rtl.h (rtx_equal_function_value_matters): Declare.
22038 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22040 * function.c: Likewise.
22041 * emit-rtl.c: Likewise.
22043 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22045 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22048 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22050 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22053 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22055 * cpp.texi: Add a node documenting macro varargs (copied
22058 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22060 * cppspec.c: Put a null pointer at the end of the new argv.
22062 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22064 * configure.in: Remove code to select/de-select the haifa
22065 scheduler. Every scheduled port gets haifa now.
22066 * configure: Rebuilt.
22067 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22069 * Makefile.in: Corresponding changes.
22071 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22073 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22074 All callers changed.
22075 (prepare_float_lib_cmp): Likewise.
22076 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22077 * expr.h (emit_float_lib_cmp): Delete declaration.
22078 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22079 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22080 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22082 (cmptf): Now conditional on TARGET_HARD_QUAD.
22084 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22086 * resource.c (mark_target_live_regs): Use
22087 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22089 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22091 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22093 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22095 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22097 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22099 * rtl.h (rtx_format): Constify a char*.
22101 * rtl.c (rtx_format): Likewise.
22102 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22103 (init_rtl): Use accessor macro, not `rtx_format'.
22105 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22108 * caller-save.c (mark_referenced_regs): Likewise.
22110 * combine.c (subst, make_compound_operation, known_cond,
22111 gen_rtx_combine, update_table_tick, get_last_value_validate,
22112 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22114 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22115 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22116 count_reg_usage): Likewise.
22118 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22121 * final.c (leaf_renumber_regs_insn): Likewise.
22123 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22124 dump_edge_info, count_reg_references): Likewise.
22126 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22127 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22130 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22131 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22132 add_label_notes): Likewise.
22134 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22135 clear_struct_flag, count_sub_rtxs, count_alternatives,
22136 compares_alternatives_p, contained_in_p, walk_attr_value,
22137 write_expr_attr_cache): Likewise.
22139 * genconfig.c (walk_insn_part): Likewise.
22141 * genemit.c (max_operand_1, gen_exp): Likewise.
22143 * genextract.c (walk_rtx): Likewise.
22145 * genflags.c (num_operands): Likewise.
22147 * genoutput.c (scan_operands): Likewise.
22149 * genpeep.c (match_rtx): Likewise.
22151 * genrecog.c (add_to_sequence): Likewise.
22153 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22156 * integrate.c (save_constants, copy_for_inline,
22157 copy_rtx_and_substitute, subst_constants, restore_constants):
22160 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22161 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22163 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22166 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22167 add_label_notes, replace_call_address, count_nonfixed_reads,
22168 invariant_p, find_single_use_in_loop, find_mem_givs,
22169 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22172 * print-rtl.c (reg_names, print_rtx): Likewise.
22174 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22176 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22177 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22178 print_blocks): Likewise.
22180 * regclass.c (fix_register, record_address_regs,
22181 reg_scan_mark_refs): Likewise.
22183 * regmove.c (stable_but_for_p): Likewise.
22185 * reload.c (loc_mentioned_in_p, operands_match_p,
22186 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22187 copy_replacements, refers_to_regno_for_reload_p,
22188 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22189 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22192 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22193 delete_address_reloads_1, count_occurrences,
22194 reload_cse_mem_conflict_p, reload_combine_note_use,
22195 add_auto_inc_notes): Likewise.
22197 * resource.c (mark_referenced_resources, mark_set_resources):
22200 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22201 reg_mentioned_p, regs_set_between_p, modified_between_p,
22202 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22203 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22204 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22205 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22207 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22209 * stupid.c (stupid_mark_refs): Likewise.
22211 * unroll.c (remap_split_bivs): Likewise.
22213 * varasm.c (mark_constants): Likewise.
22215 * a29k/a29k.c (uses_local_reg_p): Likewise.
22217 * alpha/alpha.c (summarize_insn): Likewise.
22219 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22220 eliminate_lr2ip): Likewise.
22222 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22224 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22225 reg_mentioned_in_mem): Likewise.
22227 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22228 symbolic_reference_mentioned_p): Likewise.
22230 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22232 * sh/sh.c (regs_used, mark_use): Likewise.
22234 * vax/vax.c (vax_rtx_cost): Likewise.
22236 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22238 * machmode.h (mode_name): Constify a char*.
22240 * rtl.c (mode_name): Likewise.
22242 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22244 * optabs.c (init_libfuncs): Constify a char*.
22246 * print-tree.c (mode_name): Remove redundant declaration.
22247 (print_node): Use accessor macro, not `mode_name'.
22249 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22251 (new_spill_reg): Constify a char*.
22253 * tree.c (mode_name): Remove redundant declaration.
22255 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22257 * rtl.c (rtx_name): Constify a char*.
22259 * rtl.h (rtx_name, fix_sched_param): Likewise.
22261 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22262 (mypr): Use accessor macro, not `rtx_name'.
22264 * genemit.c (print_code): Constify a char*.
22266 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22268 * genpeep.c (print_code): Constify a char*.
22270 * genrecog.c (print_code): Likewise.
22272 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22273 end_bb): Add static prototype.
22274 (draw_edge): Constify a char*.
22275 (end_bb): Remove unused parameter.
22277 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22278 print_block_visualization): Constify a char*.
22280 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22282 * c-common.c (c_get_alias_set): Update comment.
22284 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22286 * linux.h (LIB_SPEC): Added.
22288 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22290 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22292 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22294 * tree.c (expr_check): Fix typo in last change.
22296 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22298 * rtl.def (NOTE): Change format to "iuu0n".
22299 (ADDR_DIFF_VEC): Change format to "eEee0".
22300 (ADDRESSOF): Change format to "eit".
22302 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22303 (RTVEC_ELT): Change to match.
22304 (XVECEXP): Use XVEC and RTVEC_ELT.
22305 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22306 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22307 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22308 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22309 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22310 (INTVAL): Use XWINT.
22311 (ADDRESSOF_DECL): Use XTREE.
22312 (SET_ADDRESSOF_DECL): Delete.
22313 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22314 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22315 ifdefed out since 2.6 at least.
22316 (gen_rtvec_vv): Delete prototype.
22318 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22320 (copy_most_rtx): Handle 't' format letter.
22321 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22322 (gen_rtvec_vv): Delete function. All callers changed to use
22323 gen_rtvec_v instead.
22324 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22325 the '0' format letter.
22327 * function.c (gen_mem_addressof): Don't use
22328 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22330 * integrate.c (copy_rtx_and_substitute): Likewise.
22331 Copy 't' slots with XTREE.
22332 (subst_constants): Treat 't' slots like '[swi]' slots.
22333 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22334 * jump.c (rtx_equal_for_thread_p): Likewise.
22335 * rtlanal.c (rtx_equal_p): Likewise.
22336 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22337 only four arguments.
22338 * gengenrtl.c (type_from_format): Provide correct types for
22342 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22343 If a recent gcc is in use (always in stage2 and beyond), use
22344 statement expressions, so we don't make a function call unless
22345 the check fails. Evaluate arguments exactly once.
22346 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22347 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22349 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22350 they evaluate their arguments exactly once, irrespective of
22351 the compiler in use.
22353 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22354 is used by the currently-enabled check macros. This is:
22355 (tree_check_failed, tree_class_check_failed): For gcc.
22356 (tree_check, tree_class_check, cst_or_constructor_check,
22357 expr_check): For other compilers.
22359 * gencheck.c: Do not define any *_CHECK1 macros.
22361 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22362 Mark Mitchell <mark@codesourcery.com>
22364 * c-common.c (c_get_alias_set): Fix support for poitners and
22367 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22369 * alias.c: Include tree.h.
22370 (nonlocal_reference_p, mark_constant_function): New functions.
22371 * flow.c (life_analysis): Call mark_constant_function.
22372 * rtl.h (mark_constant_function): Declare it.
22374 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22376 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22377 unrecognisable switches.
22379 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22381 * loop.c (recombine_givs): Set ix field after sorting.
22382 (recombine_givs): Remove bogus index / giv lockstep looping.
22384 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22386 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22388 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22389 (do_cmp_and_jump): Formatting fixes.
22390 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22391 do_compare_rtx_and_jump instead of compare_from_rtx.
22392 (do_compare_rtx_and_jump): New function; mostly copied from
22394 (do_jump_for_compare): Delete.
22395 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22397 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22398 of compare/do_jump_for_compare pairs.
22399 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22400 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22401 compare_from_rtx/do_jump_for_compare pairs.
22402 (do_jump_by_parts_equality): Likewise.
22403 (do_jump_by_parts_equality_rtx): Likewise.
22404 * expr.h (do_compare_rtx_and_jump): Declare.
22405 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22406 that used to be in emit_cmp_insn.
22407 (cmp_available_p): New function.
22408 (prepare_operand): New function.
22409 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22410 to be in emit_cmp_insn.
22411 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22412 parameters to be pointers; don't emit final compare but modify some of
22413 the values pointed to by the args so the caller can perform the
22414 correct comparison.
22415 (expand_binop): Call emit_store_flag_force with signed forms of
22417 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22418 emit_jump_insn pair.
22419 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22420 emit_cmp_and_jump_insn_1. Call emit_queue.
22421 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22423 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22424 jump sets cc0 before deleting it.
22425 * integrate.c (expand_inline_function): Likewise.
22426 * unroll.c (unroll_loop): Similar changes in several places.
22427 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22428 before deleting it.
22430 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22432 * Makefile.in (insn-recog.o): Update dependencies.
22433 * genrecog.c (main): Make generated file include "function.h".
22435 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22437 * cse.c (cse_insn): Call never_reached_warning when a jump is
22438 changed to be unconditional.
22439 * flags.h: Declare warn_notreached.
22440 * flow.c (delete_block): Call never_reached_warning when
22441 a block is deleted.
22442 * jump.c (delete_barrier_successors): Call never_reached_warning
22443 when we delete everything after a BARRIER.
22444 (never_reached_warning): New function.
22445 * rtl.h: Declare never_reached_warning.
22446 * toplev.c (warn_notreached): New variable.
22447 (lang_independent_options): Set warn_notreached
22448 when -Wunreachable-code.
22449 (compile_file): We need line numbers for -Wunreachable-code.
22451 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22453 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22454 * sched.c (insn_unit): Likewise.
22456 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22458 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22460 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22462 * flow.c (create_edge_list): Use xmalloc, not malloc.
22464 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22466 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22467 C-style comments. Do not lose the character before double slash.
22469 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22471 * basic-block.h (struct edge_list): Stucture to maintain a vector
22473 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22474 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22475 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22476 New function prototypes.
22477 * flow.c (create_edge_list): Function to create an edge list.
22478 (free_edge_list): Discards memory used by an edge list.
22479 (print_edge_list): Debug output showing an edge list.
22480 (verify_edge_list): Internal consistency check for an edge list.
22481 (find_edge_index): Function to find an edge index for a pred and succ.
22483 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22485 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22488 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22490 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22492 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22494 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22496 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22498 * toplev.c (rest_of_compilation): Allow machine dependent
22499 reorganisation pass to place information into the RTL dump
22500 file if it so wishes.
22502 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22504 * explow.c (hard_function_value): Use VOIDmode instead of
22506 * stmt.c (expand_return): Likewise.
22507 * stor-layout.c (get_best_mode): Likewise.
22509 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22510 emit call instead of emit_insn call.
22512 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22514 * configure.in: Handle --disable/enable-win32-registry.
22515 * install.texi: Document --disable/enable-win32-registry.
22516 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22517 (WIN32_REGISTRY_KEY): New macro.
22518 * prefix.c: Use to enable/disable win32-specific code.
22519 (lookup_key): Use versioned key.
22520 * configure: Regenerate.
22521 * config.in: Likewise.
22523 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22525 * cpplib.c (read_line_number): New fn, split out of...
22528 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22530 tree.c (lang_unsave_expr_now) : New.
22531 (unsave_expr_now): Call lang_unsave_expr_now.
22532 tree.h (lang_unsave_expr_now) : New.
22534 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22536 * toplev.c (flag_new_exceptions): On by default.
22538 1999-08-13 Michael Meissner <meissner@cygnus.com>
22540 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22542 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22544 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22545 INTEGER_TYPE with precision==1, it's __java_boolean.
22547 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22549 * global.c (prune_preferences): Move some invariants out of the
22552 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22554 * configure.in (alpha*-dec-osf*): Add osf5.
22556 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22558 * configure.in: Rework handling of ARM GNU/Linux slightly.
22559 (arm*-*-linux-gnuoldld): New target.
22560 * configure: Regenerate.
22561 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22562 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22563 * config/arm/linux-oldld.h: New file.
22564 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22565 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22567 * config/arm/linux-elf.h (ASM_SPEC): Define.
22568 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22569 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22570 for 26-bit APCS and old linker.
22571 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22573 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22574 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22575 don't define `arm' or `arm_elf'.
22576 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22577 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22579 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22581 * rtl.texi: Fix typo.
22583 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22585 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22587 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22589 * extend.texi (C++ Signatures): Remove node.
22590 * invoke.texi: Remove discussion of -fhandle-signatures,
22591 signature, sigof, __signature__, and __sigof__.
22593 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22595 * Makefile.in (JAVAGC): Removed.
22597 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22599 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22601 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22603 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22605 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22607 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22608 a register that is already known to be a pointer.
22610 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22612 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22613 * fixinc/inclhack.sh: Regenerated.
22614 * fixinc/fixincl.sh: Regenerated.
22616 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22618 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22619 Fix documentation of -ansi flag to describe its C++ behavior.
22620 Remove bogus reference to GCC 2.9.
22622 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22624 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22625 note if it is non-NULL.
22627 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22629 * except.h (eh_nesting_info): Add new structure defintion.
22630 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22631 (reachable_handlers, update_rethrow_references): Add function
22633 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22634 a rethrow symbol instead of an integer exception region number.
22635 * flow.c (Make_edges): Use new exception nesting routines to determine
22636 which handlers are reachable from a CALL or asynchronous insn.
22637 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22639 (delete_eh_regions): Update rethrow labels, and don't delete
22640 regions which are the target of a rethrow.
22641 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22642 avoid overloading the SYMBOL_REF_USED flag.
22643 (rethrow_symbol_map): Use new rethrow_ref field.
22644 (rethrow_used): Use new rethrow_ref field.
22645 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22646 of an integer. Fix formatting.
22647 (output_exception_table_entry): Use new rethrow_ref field.
22648 (can_throw): Check for EH_REGION_NOTE before deciding
22649 whether a CALL can throw or not.
22650 (scan_region): Call rethrow_used() instead of accessing data structure.
22651 (update_rethrow_references): New function to make sure only regions
22652 which are still targets of a rethrow are flagged as such.
22653 (process_nestinfo): New static function to initialize a handler
22654 list for a specific region.
22655 (init_eh_nesting_info): New function to allocate and initialize
22656 the list of all EH handlers reachable from all regions.
22657 (reachable_handlers): New function to retrieve the list of handlers
22658 reachable from a specific region and insn.
22659 (free_eh_nesting_info): New function to dispose of a list of
22660 reachable handlers.
22662 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22664 * flow.c (split_edge): Set JUMP_LABEL field.
22665 (commit_one_edge_insertion): Set head correctly for insert_before.
22666 When inserting insns, update insn block numbers if allocated.
22668 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22670 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22671 retry_incomplete_types): Add static prototype.
22672 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22673 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22674 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22675 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22676 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22679 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22680 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22682 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22684 * output.h (assemble_name): Constify a char*.
22686 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22687 assemble_variable, assemble_name): Likewise.
22689 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22691 * arm/pe.c (arm_pe_unique_section): Likewise.
22693 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22695 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22697 * i386/interix.c (i386_pe_unique_section): Likewise.
22699 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22701 * i386/winnt.c (i386_pe_unique_section): Likewise.
22703 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22705 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22707 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22709 * pa/pa.c (output_call): Likewise.
22711 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22713 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22715 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22718 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22721 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22723 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22724 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22726 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22728 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22730 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22732 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22734 * tree.h (lang_identify): Constify a char*.
22735 (print_error_function): Add extern prototype. Constify a char*.
22737 * c-lang.c (lang_identify): Constify a char*.
22739 * objc/objc-act.c (lang_identify): Constify a char*.
22741 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22743 * genpeep.c (main): Make generated file include "function.h".
22744 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22746 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22748 * Makefile.in: Update dependencies.
22749 * alias.c: Include "function.h"
22750 * c-decl.c: Likewise.
22751 * caller-save.c: Likewise.
22752 * calls.c: Likewise.
22753 * combine.c: Likewise.
22755 * explow.c: Likewise.
22756 * final.c: Likewise.
22757 * global.c: Likewise.
22758 * graph.c: Likewise.
22759 * local-alloc.c: Likewise.
22760 * loop.c: Likewise.
22761 * optabs.c: Likewise.
22762 * profile.c: Likewise.
22763 * recog.c: Likewise.
22764 * regclass.c: Likewise.
22765 * regmove.c: Likewise.
22766 * reload.c: Likewise.
22767 * reorg.c: Likewise.
22768 * resource.c: Likewise.
22769 * sched.c: Likewise.
22770 * stupid.c: Likewise.
22771 * config/1750a/1750a.c: Likewise.
22772 * config/a29k/a29k.c: Likewise.
22773 * config/arc/arc.c: Likewise.
22774 * config/arm/arm.c: Likewise.
22775 * config/arm/thumb.c: Likewise.
22776 * config/c4x/c4x.c: Likewise.
22777 * config/clipper/clipper.c: Likewise.
22778 * config/convex/convex.c: Likewise.
22779 * config/fx80/fx80.c: Likewise.
22780 * config/i860/i860.c: Likewise.
22781 * config/m68k/m68k.c: Likewise.
22782 * config/m88k/m88k.c: Likewise.
22783 * config/mips/mips.c: Likewise.
22784 * config/pdp11/pdp11.c: Likewise.
22785 * config/pyr/pyr.c: Likewise.
22786 * config/romp/romp.c: Likewise.
22787 * config/sh/sh.c: Likewise.
22788 * config/tahoe/tahoe.c: Likewise.
22789 * config/vax/vax.c: Likewise.
22790 * config/we32k/we32k.c: Likewise.
22791 * config/sparc/sparc.c: Include "function.h".
22792 (mem_min_alignment): Test current_function rather than
22793 regno_pointer_align.
22794 * config/pa/pa.c: Likewise.
22795 (compute_frame_size): Delete declaration of
22796 current_function_outgoing_args_size.
22797 * config/arc/arc.h (current_function_varargs): Delete declaration.
22798 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22800 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22802 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22803 current_function_uses_pic_offset_table.
22804 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22805 of current_function_returns_pointer.
22806 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22807 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22808 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22809 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22810 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22811 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22812 * config/m88k/m88k.c: Include "function.h"
22813 (call_used_regs, current_function_pretend_args_size,
22814 current_function_outgoing_args_size, frame_pointer_needed): Delete
22816 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22818 * config/mips/mips.h (current_function_calls_alloca): Delete
22820 * config/mn10200/mn10200.h (current_function_needs_context,
22821 rtx_equal_function_value_matters): Delete declarations.
22822 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22823 flag_pic): Delete declarations.
22824 * config/pa/pa.h (current_function_pretend_args_size,
22825 current_function_decl): Delete declarations.
22826 * config/pa/som.h (current_function_varargs): Delete declaration.
22827 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22829 * config/pyr/pyr.h (current_function_pretend_args_size,
22830 current_function_args_size, current_function_calls_alloca): Delete
22832 * config/sh/sh.h (current_function_varargs): Delete declaration.
22833 * config/sparc/sparc.h (current_function_outgoing_args_size,
22834 current_function_calls_alloca, current_function_decl): Delete
22836 * config/spur/spur.h (current_function_pretend_args_size,
22837 current_function_calls_alloca): Delete declarations.
22838 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22840 * config/vax/vms.h (current_function_name): Delete declaration.
22841 * gcse.c: Include "function.h".
22842 (current_function_name, current_function_calls_setjmp): Delete
22844 * haifa-sched.c: Include "function.h".
22845 (forced_labels): Delete declaration.
22846 * jump.c: Likewise.
22847 * reg-stack.c: Likewise.
22848 * reload1.c: Likewise.
22849 * genemit.c (main): Make generated file include function.h.
22850 * genoutput.c (output_prologue): Likewise.
22852 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22853 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22854 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22855 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22856 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22857 macros for some of them.
22858 (emit_filename, emit_lineno): Delete declarations.
22859 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22860 regno_pointer_* variables through current_function.
22861 (gen_inline_header_rtx): Delete function.
22862 (save_emit_status): Delete function.
22863 (set_new_last_label_num): New function.
22864 (clear_emit_caches): New function.
22865 (restore_emit_status): Just clear last_labelnum and call
22867 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22868 through macro seq_stack.
22869 (add_insn_after): Likewise.
22870 (add_insn_before): Likewise.
22871 (remove_insn): Likewise.
22872 (pop_topmost_sequence): Likewise.
22873 (in_sequence_p): Likewise.
22874 (start_sequence_for_rtl_expr): Likewise.
22875 (start_sequence): Likewise, and likewise for
22876 sequence_rtl_expr/seq_rtl_expr.
22877 (push_topmost_sequence): Likewise.
22878 (end_sequence): Likewise.
22879 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22880 All callers changed. Store into that pointer instead of globals.
22881 (init_emit): Allocate emit elt of current_function.
22882 Changes for sequence_rtl_expr/sequence_stack renaming.
22883 Call clear_emit_caches instead of doing it in-line.
22884 Access regno_pointer_* variables through current_function.
22885 (init_emit_once) Don't clear sequence_stack.
22887 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22889 (arg_pointer_save_area): Delete declaration.
22890 (finish_expr_for_function): Renamed from init_queue; no longer static.
22891 (init_expr): Don't call init_queue.
22892 (save_expr_status, restore_expr_status): Delete functions.
22893 (expand_expr): Changes to reflect new layout of struct function.
22894 Don't access current_function_check_memory_usage when current_function
22896 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22897 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22898 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22899 current_function_uses_const_pool, function_call_count,
22900 current_function_uses_pic_offset_table, nonlocal_labels,
22901 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22902 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22903 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22905 (finish_expr_for_function): Declare.
22906 * flags.h (current_function_has_nonlocal_label,
22907 current_function_has_nonlocal_goto, current_function_is_thunk,
22908 current_function_has_computed_jump): Delete declarations.
22909 * flow.c (forced_labels): Delete declaration.
22910 * function.c (current_function_pops_args,
22911 current_function_returns_struct, current_function_returns_pcc_struct,
22912 current_function_needs_context, current_function_calls_setjmp,
22913 current_function_calls_longjmp, current_function_has_nonlocal_label,
22914 current_function_has_nonlocal_goto, current_function_is_thunk,
22915 current_function_has_computed_jump, current_function_calls_alloca,
22916 current_function_contains_functions, current_function_returns_pointer,
22917 current_function_epilogue_delay_list, current_function_args_size,
22918 current_function_pretend_args_size, current_function_arg_offset_rtx,
22919 current_function_outgoing_args_size, current_function_varargs,
22920 current_function_stdarg, current_function_args_info, cleanup_label,
22921 current_function_name, current_function_uses_const_pool,
22922 current_function_instrument_entry_exit, current_function_return_rtx,
22923 current_function_uses_pic_offset_table, nonlocal_labels,
22924 current_function_internal_arg_pointer, current_function_cannot_inline,
22925 current_function_check_memory_usage, function_call_count,
22926 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22927 nonlocal_goto_stack_level, return_label, save_expr_regs,
22928 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22929 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22930 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22931 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22932 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22934 (push_function_context_to): Don't save them. Don't call
22935 save_storage_status, save_emit_status or save_expr_status.
22936 (pop_function_context_from): Don't restore them. Don't call
22937 restore_storage_status or restore_expr_status.
22938 (get_func_frame_size): New function.
22939 (get_frame_size): Use it.
22940 (assign_outer_stack_local): Reflect some member name changes in struct
22942 (put_reg_into_stack): Likewise.
22943 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22945 (fixup_var_refs): Likewise.
22946 (fix_lexical_addr): Likewise.
22947 (trampoline_address): Likewise.
22948 (prepare_function_start): Clear field inlinable of current_function.
22949 (init_function_for_compilation): New function.
22950 (expand_dummy_function_end): New function.
22951 (expand_function_end): Call finish_expr_for_function.
22952 * function.h (struct emit_status): New; fields moved here from struct
22953 function and from global variables. Add accessor macros for some of
22955 (struct expr_status): Likewise.
22956 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22957 (struct function): Add fields expr and emit, inlinable, inl_emit,
22958 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22959 inl_max_label_num. Add many comments.
22960 Add accessor macros for all elts of struct function that no longer
22961 have a global variable.
22962 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22963 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22964 stack_slot_list): Delete declarations.
22965 (get_func_frame_size): Declare.
22966 (save_expr_status, restore_expr_status, save_emit_status,
22967 save_storage_status, restore_storage_status): Delete declarations.
22968 (init_virtual_regs): Declare.
22969 * output.h (current_function_pops_args,
22970 current_function_returns_struct, current_function_returns_pcc_struct,
22971 current_function_needs_context, current_function_calls_setjmp,
22972 current_function_calls_longjmp, current_function_calls_alloca,
22973 current_function_has_nonlocal_label, current_function_varargs,
22974 current_function_has_computed_jump, current_function_returns_pointer,
22975 current_function_contains_functions, current_function_args_size,
22976 current_function_pretend_args_size, current_function_stdarg,
22977 current_function_outgoing_args_size, current_function_args_info,
22978 current_function_name, current_function_return_rtx,
22979 current_function_epilogue_delay_list,
22980 current_function_uses_const_pool, current_function_cannot_inline):
22981 Delete declarations.
22982 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22983 regno_reg_rtx): Delete declaration.
22984 (REGNO_POINTER_FLAG): Delete macro.
22985 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22986 function were renamed.
22987 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22989 * toplev.c: Include "function.h".
22990 (current_function_decl): Delete declaration.
22991 (compile_file): Call init_dummy_function_start and
22992 expand_dummy_function_end around some initializations that need to
22994 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22995 Call init_function_for_compilation.
22996 * unroll.c: Include "function.h"
22997 (unroll_loop): Access regno_pointer_* variables through
23000 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23001 (DECL_SAVED_INSNS): use it.
23002 (expand_dummy_function_end): Declare.
23003 (init_function_for_compilation): Declare.
23004 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23005 that it's no longer an INLINE_HEADER.
23006 (expand_call): Likewise.
23007 * integrate.c (finish_inline): Delete function.
23008 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23009 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23010 args. Don't generate an INLINE_HEADER rtx, just return the arg
23011 vector. All callers changed.
23012 (save_for_inline_copying): Create a duplicate struct emit_status to
23013 hold the emit state for compiling the current function. Use this and
23014 the other new fields in struct function that are for integration
23015 instead of an INLINE_HEADER.
23016 Use memcpy instead of bcopy.
23017 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23018 (save_for_inline_nocopy): Similar changes, except no new emit_status
23020 (expand_inline_function): Get information from function structure,
23021 not from an inline header rtx.
23022 (output_inline_function): Lose code to extract the necessary
23023 information from an inline header; simply put back the function
23024 structure into current_function. Clear its inlinable elt.
23025 * rtl.def (INLINE_HEADER): Delete.
23026 * rtl.h: Delete all accessors for an INLINE_HEADER.
23027 (gen_inline_header_rtx): Delete declaration.
23028 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23029 Delete declarations.
23030 (REGNO_POINTER_ALIGN): Delete.
23031 (clear_emit_caches): Declare.
23032 (set_new_last_label_num): Declare.
23034 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23036 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23038 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23039 * stmt.c (is_eh_region): Make sure current_function is present, too.
23041 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23043 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23044 for 64bit PA targets.
23046 * pa.h (SELECT_SECTION): Define.
23047 * som.h (SELECT_SECTION): Delete.
23049 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23051 * alias.c (init_alias_analysis): Wrap call to
23052 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23054 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23056 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23057 <sys/asm.h> contains an asm comment with an apostrophe
23058 * fixinc/inclhack.sh: regen
23059 * fixinc/fixincl.x: regen
23061 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23063 * function.c (init_function_start): Clear prologue & epilogue.
23064 (prologue_epilogue_contains): New function.
23065 * alias.c (init_alias_analysis): Use it.
23066 * rtl.h (prologue_epilogue_contains): Declare it.
23068 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23070 * jump.c (onlyjump_p): New function.
23071 * rtl.h: Declare it.
23072 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23073 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23075 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23077 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23078 to invert loops. Simplify block scanning.
23080 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23082 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23083 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23085 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23087 * config/sparc/liteelf.h: New file to support sparclite-elf target
23088 * config/sparc/t-sp86x: New file to support sparc86x targets
23089 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23090 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23091 * configure.in: Support above target triplets
23092 * configure: Regenerated
23094 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23096 * fixinc/server.c (server_setup): Do not prefix function used as
23097 parameter with `&'.
23099 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23101 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23102 Remove fp reg alternatives.
23104 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23106 * Makefiin (TAROUTOPTS): Kill.
23107 (install-headers-tar): Use "xpf" for tar headerfile extraction
23108 * i370/x-oe (TAROUTOPTS): Delete.
23109 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23110 * m68k/x-hp320 (TAROUTOPTS): Delete.
23111 * m68k/x-hp320g (TAROUTOPTS): Delete.
23112 * gcc.texi: Update bug reporting text.
23114 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23116 * reg-stack.c (change_stack) Fixed problem with negative array index.
23118 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23120 * extend.texi, install.texi: Fix spelling mistakes.
23122 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23123 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23124 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23125 PREMADE_ATTRTAB_MD.
23126 * mips/t-ecoff: Likewise.
23127 * mips/t-elf: Likewise.
23128 * mips/t-mips: Likewise.
23129 * mips/t-osfrose: Likewise.
23130 * mips/t-r3900: Likewise.
23131 * mips/t-svr3: Likewise.
23132 * mips/t-svr4: Likewise.
23133 * mips/t-ultrix: Likewise.
23135 * gcc.texi: Document recommend means to provide software floating
23136 point libraries in libgcc.a
23138 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23140 * c-lex.c (yylex): We can have a number with no digits.
23142 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23144 * jump.c (delete_prior_computation): New function, broken
23145 out of delete_computation. Check for side effects with
23146 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23147 multi-word hard registers.
23148 (delete_computation): Use it. Check for side effects with
23149 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23150 missing REG_DEAD note for a register which is both set and
23153 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23155 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23156 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23157 (ASM_FILE_START): Import _mcount with the right type.
23158 (ASM_DECLARE_FUNCTION_NAME): Define.
23159 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23160 * pa.c (output_function_prologue): Always emit the function's label
23162 * pa.h (TEXT_SPACE_P): Define.
23163 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23164 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23165 * som.h (TEXT_SPACE_P): Delete.
23166 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23167 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23169 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23171 * expr.c (emit_group_load): Allow src to be a CONCAT.
23173 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23175 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23176 (___mulsi3): Use '!' comment character.
23178 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23180 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23182 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23184 * gcc.c: Update URLs and mail addresses.
23185 * gcc.texi: Likewise.
23187 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23189 * rs6000.c (current_file_function_operand): Return zero for
23191 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23193 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23196 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23198 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23199 allocate space in the stack frame for the PIC register.
23201 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23203 * m68k.md (xordi3, anddi3): These patterns are not available on
23206 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23208 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23209 (PUT_REAL): Likewise.
23211 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23213 * final.c (shorten_branches): Don't add an alignment for loops
23214 that have no label inside.
23216 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23218 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23219 prototypes in macro HAVE_cmpstrsi.
23221 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23223 * emit-rtl.c (operand_subword): Remove unused variable
23226 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23228 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23230 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23232 * cpphash.c (macroexpand): Delete leading whitespace when arg
23233 is concatenated before.
23234 (unsafe_chars): Correct test for whether + and - can extend a
23237 * cppinit.c (cpp_start_read): Do dependencies for
23238 -include/-imacros files also.
23240 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23241 tokenizing non-directive lines.
23242 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23243 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23246 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23248 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23250 * c-lex.c: Sync with C++ frontend.
23251 (linemode): New variable.
23252 (parse_float): imag, conversion_errno, and type are output only.
23253 (yylex): Adjust. Move initial '.' case into main switch.
23255 (handle_generic_pragma): Just deal with tokens.
23256 (readescape): Use ISXDIGIT and ISGRAPH.
23257 * c-parse.in: Add END_OF_LINE token.
23259 * c-lex.c (lang_init): Generalize.
23260 (nextchar): Remove. Replace uses with UNGETC.
23261 (skip_white_space): Handle linemode here. Optimize for cpplib.
23262 (skip_white_space_on_line): Remove.
23263 (extend_token_buffer_to): New fn.
23264 (extend_token_buffer): Use it.
23265 (read_line_number, check_newline): Just deal with tokens.
23266 (token_getch, token_put_back): New fns.
23267 (yylex): Use them. More cpplib optimizations. Simplify.
23269 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23270 Jason Merrill <jason@yorick.cygnus.com>
23272 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23273 (consume_string): Make this smart about USE_CPPLIB.
23274 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23275 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23276 Also, clean up cases where we redundantly set token_buffer[0].
23277 (read_line_number): New fn.
23278 (ignore_escape_flag): New variable.
23280 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23282 * a29k/t-a29kbare: Fix some comments.
23283 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23284 (FPBIT, DPBIT): Define.
23285 * a29k/t-vx29k: Likewise.
23286 * arc/t-arc: Likewise.
23287 * arm/t-arm-elf: Likewise.
23288 * arm/t-bare: Likewise.
23289 * arm/t-pe: Likewise.
23290 * arm/t-pe-thumb: Likewise.
23291 * arm/t-semi: Likewise.
23292 * arm/t-thumb: Likewise.
23293 * arm/t-thumb-elf: Likewise.
23294 * arm/t-thumb-linux: Likewise.
23295 * h8300/t-h8300: Likewise.
23296 * i960/t-i960: Likewise.
23297 * i960/t-vxworks960: Likewise.
23298 * m32r/t-m32r: Likewise.
23299 * mips/t-ecoff: Likewise.
23300 * mips/t-elf: Likewise.
23301 * mips/t-r3900: Likewise.
23302 * pa/t-pro: Likewise.
23303 * rs6000/t-aix43: Likewise.
23304 * rs6000/t-beos: Likewise.
23305 * rs6000/t-newas: Likewise.
23306 * rs6000/t-ppccomm: Likewise.
23307 * rs6000/t-rs6000: Likewise.
23308 * rs6000/t-winnt: Likewise.
23309 * rs6000/t-xnewas: Likewise.
23310 * rs6000/t-xrs6000: Likewise.
23311 * sh/t-sh: Likewise.
23312 * sparc/t-elf: Likewise.
23313 * sparc/t-sparcbare: Likewise.
23314 * sparc/t-sparclite: Likewise.
23315 * sparc/t-splet: Likewise.
23316 * v850/t-v850: Likewise.
23317 * mn10200/t-mn10200: Fix comments.
23318 * mn10300/t-mn10300: Likewise.
23320 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23321 dummy operand. Allocate a new pseudo for the dummy operand.
23322 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23324 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23326 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23328 * configure: Rebuilt.
23329 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23331 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23333 * recog.c (preproces_constraints): Zero recog_op_alt before
23334 processing the constraints.
23336 * arm.c (typedef minipool_node): Renamed from pool_node.
23337 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23338 (add_minipool_constant): New function.
23339 (dump_minipool): New function.
23340 (find_barrier): Remove special case for getting the insn size of
23341 an insn that references the constant pool.
23342 (minipool_fixup): New structure.
23343 (push_minipool_barrier): New function.
23344 (push_minipool_fix): New function.
23345 (note_invalid_constants): New function.
23346 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23347 (arm_reorg): Rewrite code to fix up the constant pool into a
23348 series of mini-pools embedded in the insn stream.
23349 (arm_output_epilogue): New function, made mainly from the body
23350 of output_func_epilogue.
23351 (output_func_epilogue): Move insn generation part of epilogue code
23352 to arm_output_epilogue.
23353 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23354 * arm.md (pool_range): New attribute.
23355 (zero_extendqidi2): Add attribute pool_range.
23356 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23357 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23358 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23359 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23360 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23361 (epilogue): New expand.
23362 (epilogue_insn): New insn. Call arm_output_epilogue.
23364 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23365 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23367 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23369 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23371 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23373 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23375 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23377 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23379 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23381 * global.c: Fix comment.
23383 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23385 * gcc.c (access_check): New static function.
23386 (find_a_file): Use it when searching a directory list.
23387 * collect2.c (find_a_file): Don't accept directories found when
23388 searching a directory list.
23390 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23392 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23393 function parameters with `&'.
23394 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23396 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23398 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23399 or tidy_fallthru_edge if the last insn in the block is not
23400 an unconditional jump or a simple conditional jump.
23402 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23404 * Makefile.in (c-decl.o): Depends on defaults.h.
23406 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23408 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23410 (CLASS_MAX_NREGS): Likewise.
23412 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23414 * cse.c (cse_insn): Fix dumb thinko in last change.
23416 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23418 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23421 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23423 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23424 test for sizes of passed and declared parameter types.
23426 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23428 * fixincludes: Fix the return type of bsearch, char* -> void*.
23430 * fixinc/inclhack.def: Likewise.
23432 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23434 * invoke.texi (-fdump-translation-unit): New option.
23436 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23438 * expr.h (PROMOTE_PROTOTYPES): Move ...
23439 * defaults.h: ... to here.
23440 * c-decl.c: Include defaults.h instead of expr.h.
23441 * c-typeck.c: Include defaults.h.
23443 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23445 * toplev.h (errorcount): Declare.
23446 (warningcount): Likewise.
23447 (sorrycount): Likewise.
23448 * c-lex.c (errorcount): Don't declare.
23449 * dwarf2out.c (errorcount): Don't declare.
23451 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23453 * config/libgloss.h: Add a note discouraging use with ELF.
23454 * configure.in: Don't use libgloss.h for ELF targets.
23455 Always use_collect2 on a.out targets.
23457 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23459 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23460 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23462 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23464 * loop.c (strength_reduce): When doing biv->giv conversion, update
23465 reg note of NEXT->insn.
23467 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23469 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23471 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23473 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23474 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23475 Ensure expr.h is included.
23476 * c-typecheck.c (convert_arguments): Ditto.
23478 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23480 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23481 * config/convex/convex.h: Ditto.
23482 * config/dsp16xx/dsp16xx.h: Ditto.
23483 * config/fx80/fx80.h: Ditto.
23484 * config/gmicro/gmicro.h: Ditto.
23485 * config/i370/i370.h: Ditto.
23486 * config/i386/i386.h: Ditto.
23487 * config/m32r/m32r.h: Ditto.
23488 * config/m68k/m68k.h: Ditto.
23489 * config/m88k/m88k.h: Ditto.
23490 * config/mips/mips.h: Ditto.
23491 * config/pa/pa.h: Ditto.
23492 * config/pyr/pyr.h: Ditto.
23493 * config/tahoe/tahoe.h: Ditto.
23494 * config/we32k/we32k.h: Ditto.
23496 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23497 based on arch size.
23499 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23501 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23504 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23506 1999-08-02 Richard Henderson <rth@cygnus.com>
23508 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23509 for the register spill block.
23510 (m32r_va_arg): New.
23511 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23512 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23514 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23515 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23516 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23518 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23520 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23521 MAX_WCHAR_TYPE defined in sparc.h.
23522 * config/sparc/linuxaout.h: Likewise.
23523 * config/sparc/linux64.h: Likewise.
23524 Also default to -mvis if CPU is UltraSPARC.
23526 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23528 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23529 (RTX_OK_FOR_OLO10): Likewise.
23530 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23531 %lo(), allow it in addresses...
23532 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23533 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23534 does not make sense.
23535 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23536 (sparc_output_scratch_registers): New function.
23537 (output_function_prologue, sparc_flat_output_function_prologue): Use
23539 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23541 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23542 * configure.in: Add check for .register pseudo-op support in as and
23543 check for offsetable %lo().
23544 * acconfig.h: Add templates for the above checks.
23545 * configure: Regenerate.
23547 1999-08-02 Richard Henderson <rth@cygnus.com>
23549 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23550 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23551 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23553 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23555 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23558 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23560 * config/float-sparc.h: New file.
23561 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23562 sparc-*-linux-gnu and sparc64-*-linux*.
23564 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23566 * rs6000.c (rs6000_va_list): Type is an array.
23567 (rs6000_va_start): Don't doubly adjust for varargs.
23568 (rs6000_va_arg): Evaluate long long GPR adjustment.
23570 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23572 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23573 -maix64 and -maix32.
23574 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23575 LINK_SPEC): Change appropriately.
23576 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23577 (u_short_cint_operand): Likewise.
23578 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23580 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23582 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23584 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23586 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23587 for type promotion.
23588 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23589 (non_add_cint_operand): Likewise.
23590 (logical_operand): Likewise.
23591 (non_logical_cint_operand): Likewise.
23592 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23593 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23594 (rs6000_select_rtx_section): Suppress warning.
23595 (small_data_operand): Suppress warning.
23596 (rs6000_got_register): Suppress warning.
23597 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23598 type, so `J' is generally the wrong constraint for a SImode value;
23600 (andsi3_internal2): Likewise.
23601 (andsi3_internal3): Likewise.
23602 (iorsi3_internal1): Likewise.
23603 (xorsi3_internal1): Likewise.
23605 (movsf_softfloat): Likewise.
23606 (scc insns): Likewise.
23607 (movsi+2): Preserve sign bits of SImode constant.
23608 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23609 (movdf+1): Sign-extend properly.
23610 (movdi_32+1): Sign-extend properly.
23611 (scc insns): Sign-extend properly.
23613 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23616 1999-08-02 Richard Henderson <rth@cygnus.com>
23618 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23619 -mcpu parsing code.
23620 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23621 * alpha.md (all fp insns): Likewise.
23623 1999-08-02 Nick Clifton <nickc@cygnus.com>
23625 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23628 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23630 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23631 pic_load_label generator directly.
23632 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23633 No longer a named pattern.
23635 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23637 * explow.c (force_reg): Call force_operand if X does not
23638 satisfy general_operand.
23640 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23642 * fix-header.c (main): When testing for CONTINUED, use string
23643 equality, not pointer equality.
23645 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23647 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23649 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23651 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23652 that has become an unconditional jump.
23654 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23655 (output_function_epilogue): Similarly.
23657 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23659 * tree.h (init_dummy_function_start): Declare.
23661 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23663 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23664 last_expr_type, last_expr_value, block_start_count, block_stack,
23665 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23666 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23667 dynamically in stmt elt of struct function for each function.
23668 (struct nesting): Rename function_call_count elt to n_function_calls,
23669 target_temp_slot_level to block_target_temp_slot_level. All users
23671 (struct stmt_status): New structure definition.
23672 Add many accessor macros for stmt_status elements which previously
23673 were global variables.
23674 (init_stmt_for_function): Allocate stmt elt for current_function.
23675 Reflect that block_start_count was renamed to
23676 current_block_start_count.
23677 (save_stmt_status, restore_stmt_status): Delete functions.
23678 (preserve_subexpressions_p): Don't access loop_stack when outside
23680 (expand_start_bindings): Reflect that block_start_count was renamed to
23681 current_block_start_count.
23682 (expand_fixup): Likewise.
23683 (expand_decl): Don't access block_stack when outside a function.
23684 (expand_decl_cleanup): Likewise.
23685 (expand_dcc_cleanup): Likewise.
23686 (expand_dhc_cleanup): Likewise.
23687 (expand_anon_union_decl): Likewise.
23688 (set_file_and_line_for_stmt): New function.
23689 (in_control_zone_p): New function.
23691 * function.h (struct function): Add new elt stmt.
23692 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23693 case_stack, nesting_stack, nesting_depth, block_start_count,
23694 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23695 emit_lineno, goto_fixup_chain.
23696 (save_eh_status, restore_eh_status, save_stmt_status,
23697 restore_stmt_status): Delete declarations.
23698 * function.c (push_function_context_to): Don't call save_stmt_status.
23699 (pop_function_context_to): Don't call restore_stmt_status.
23700 * tree.h (in_control_zone_p): Declare.
23701 * rtl.h (set_file_and_line_for_stmt): Declare.
23703 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23704 call set_file_and_line_for_stmt.
23706 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23708 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23709 Also update copyright.
23711 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23713 * c-pragma.c: Don't include "except.h".
23714 * emit-rtl.c: Likewise.
23715 * stor-layout.c: Likewise.
23716 * tree.c: Likewise.
23717 * varasm.c: Likewise.
23719 * flow.c: Include "function.h".
23720 * tree.h (init_dummy_function_start): Declare new function.
23722 * except.h (struct eh_status): New structure.
23723 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23725 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23726 catch_clauses, false_label_stack, caught_return_label_stack,
23727 protect_list, current_function_ehc): Add accessor macros for the
23728 corresponding fields in current_function->eh; delete declarations
23729 for all items that used to be declared here.
23730 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23731 catch_clauses, false_label_stack, caught_return_label_stack,
23732 protect_list, current_function_ehc): Delete variables.
23733 (init_eh_for_function): Allocate current_function->eh.
23734 (save_eh_status, restore_eh_status): Delete functions.
23736 * function.h (struct function): Add fields next_global and eh.
23737 Delete all exception handling related fields.
23738 * function.c (current_function): New variable.
23739 (all_functions): New variable.
23740 (push_function_context_to): Don't allocate a struct function,
23741 use current_function instead. Call init_dummy_function_start when
23742 outside a function. Clear current_function before returning.
23743 (pop_function_context_from): Restore current_function.
23744 Don't free the restored struct function.
23745 (prepare_function_start): New function.
23746 (init_dummy_function_start): New function.
23747 (init_function_start): Break out some code into prepare_function_start
23750 * stmt.c (save_stmt_status): Don't call save_eh_status.
23751 (restore_stmt_status): Don't call restore_eh_status.
23753 * Makefile.in: Update dependencies.
23755 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23757 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23758 of depending on a magic constant value. Update comments.
23759 (hppa_expand_prologue): Similarly.
23761 * pa.md (reload_indi, reload_outdi): Allow any register for the
23762 original reload register.
23764 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23766 * cccp.c (print_help): Change marcos to macros.
23768 1999-07-30 Richard Henderson <rth@cygnus.com>
23770 * c-typeck.c (initializer_constant_valid_p): Move ...
23771 * c-common.c (initializer_constant_valid_p): ... here. Use
23772 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23773 of label addresses.
23774 * c-common.h (initializer_constant_valid_p): Declare.
23775 * c-tree.h (initializer_constant_valid_p): Remove.
23777 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23779 * config/i386/sol2-c1.asm: Align the stack.
23780 * config/i386/sol2-gc1.asm: Likewise.
23782 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23784 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23785 -Asparclite for sparc86x.
23786 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23788 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23790 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23792 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23793 the user if using the non-default arch size in BI_ARCH configuration.
23794 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23796 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23797 Fix patterns so that they actually match.
23798 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23799 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23800 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23802 (mulsidi3): Reflect this in the expand.
23803 (smulsi3_highpart): Only on TARGET_ARCH32.
23804 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23805 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23806 (umulsidi3): Reflect this in the expand.
23807 (umulsi3_highpart): Only on TARGET_ARCH32.
23808 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23809 don't require g0 to be zero.
23810 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23811 ({,u}divsi3): New expands.
23812 ({,u}divsi3_sp64): New patterns.
23813 (after lshrdi3_v8plus): Four new patterns to help combiner
23814 optimizing nested mixed mode shifts.
23816 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23817 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23818 speed things up. Don't use them by default on plain v9 in 64bit
23819 mode, according to what SPAMv9 sais.
23821 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23822 top 32 bits of %[og][0-7] in signal handlers.
23823 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23825 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23827 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23828 (ashlsi3): Corresponding changes.
23830 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23832 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23834 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23836 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23838 * arm.h (Hint): Delete macro.
23839 Substitute HOST_WIDE_INT for Hint in some prototypes.
23840 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23842 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23844 * builtins.c (expand_builtin_setjmp): Use force_operand to
23845 make sure that the buffer address is in a suitable form to be
23846 passed to force_reg.
23848 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23850 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23853 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23855 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23856 proper mode in the condition string.
23857 (icacheflush, dcacheflush): Remove modes from match_operands.
23859 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23860 proper mode before using it.
23862 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23865 * pa.c (store_reg): Do not call add_high_const generator directly.
23866 (load_reg, set_reg_plus_d): Likewise.
23867 * pa.md (add_high_const): No longer a named pattern.
23869 * pa.c (legitimize_address): Consistently use Pmode rather than
23870 SImode. Do not call gen_pic2_highpart directly anymore.
23871 * pa.md (pic2_highpart): No longer a named pattern.
23872 (pic2_lo_sum): Similarly. Reformat to make more readable.
23874 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23879 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23881 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23883 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23885 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23886 and tag the spill mems.
23887 (hppa_va_start): New.
23888 (hppa_va_arg): New.
23889 * pa.h (EXPAND_BUILTIN_VA_START): New.
23890 (EXPAND_BUILTIN_VA_ARG): New.
23892 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23894 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23895 and tag the spill mems.
23896 (mn10300_va_start): New.
23897 (mn10300_va_arg): New.
23898 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23899 (EXPAND_BUILTIN_VA_ARG): New.
23901 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23903 * mn10200.c (mn10200_va_arg): New.
23904 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23906 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23908 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23909 rather than play with TREE_INT_CST_LOW.
23911 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23913 * config/arm/telf.h: Include dbxelf.h.
23914 (CPP_PREDEFINES): Only define if not already defined.
23915 (ASM_IDENTIFY_GCC): Likewise.
23916 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23917 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23918 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23920 (DBX_DEBUGGING_INFO): Don't define.
23921 * config/arm/linux-telf.h: New file.
23922 * config/arm/linux-tgas.h: New file.
23923 * config/arm/t-thumb-linux: New file.
23924 * config/arm/uclinux-elf.h: New file.
23925 * config/arm/uclinux-telf.h: New file.
23926 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23927 thumb-*-uclinux): New targets.
23928 * configure: Regenerate.
23930 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23932 * pa.md (post_store, pre_load): New expanders.
23933 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23934 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23935 need to directly generate RTL for them.
23936 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23939 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23941 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23942 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23943 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23944 (secndary_reload_class): Make TARGET_ELF conditional compile.
23945 (print_operand_address): Similar.
23946 (output_toc): Print all values as hex.
23947 (get_issue_rate): Rearrange and add RS64A and PPC630.
23948 * rs6000.h (processor_type): Add RS64A and PPC630.
23949 (PROCESSOR_POWERPC64): New.
23950 (PROMOTE_MODE): Use word_mode.
23951 (RTX_COSTS): Add RS64A and PPC630.
23952 * rs6000.md (scheduling information): Add lmul and ldiv
23953 representing 64-bit integer multiply and divide. Add rs64a and
23954 PPC630 information.
23955 (ashldi3): Add support for "rldic" instruction.
23956 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23958 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23960 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23961 instead of V8 for sparclite86x in cpu_table.
23963 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23965 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23966 output_file_directive.
23968 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23970 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23971 tree for op1, not the rtl.
23973 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23975 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23976 to m88k_va_start, leaving only the register spill.
23977 (m88k_build_va_list): New.
23978 (m88k_va_start): New.
23979 (m88k_va_arg): New.
23980 * m88k.h (BUILD_VA_LIST_TYPE): New.
23981 (EXPAND_BUILTIN_VA_START): New.
23982 (EXPAND_BUILTIN_VA_ARG): New.
23984 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23986 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23987 Rename from expand_builtin_saveregs.
23988 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23990 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23992 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23993 for the register spill block.
23994 (i960_build_va_list): New.
23995 (i960_va_start): New.
23996 (i960_va_arg): New.
23997 * i960.h (BUILD_VA_LIST_TYPE): New.
23998 (EXPAND_BUILTIN_VA_START): New.
23999 (EXPAND_BUILTIN_VA_ARG): New.
24000 * i960.md (store_multiple): Use change_address on individul mems.
24002 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24004 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24006 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24007 (expand_builtin_va_end): Evaluate arg for side effects.
24008 * c-common.c (c_common_nodes_and_builtins): Construct a
24009 va_list_arg_type_node to handle array decomposition to pointer.
24011 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24013 * except.c (st_dynamic_cleanup): Use force_operand on the
24016 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24018 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24019 * c4x.c (c4x_va_arg): New.
24021 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24023 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24024 has manual_pop set.
24026 1999-07-26 Nathan Sidwell <nathan@acm.org>
24028 * eh-common.h (__eh_matcher): Prototype correctly.
24030 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24032 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24033 (TARGET_SINGLE_PIC_BASE): Likewise.
24034 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24036 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24037 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24038 (TARGET_OPTIONS): Add -mpic-register=N.
24039 (OUTPUT_INT_ADDR_CONST): New macro.
24040 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24041 LEGITIMATE_PIC_OPERAND_P): Likewise.
24042 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24043 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24044 output_addr_const directly.
24045 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24047 (thumb_pic_register, thumb_pic_register_string): Declare.
24049 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24051 (label_mentioned_p): New function: Imported from arm.c.
24052 (legitimize_pic_address): New function: Imported from arm.c.
24053 (is_pic):New function: Imported from arm.c.
24054 (thumb_finalize_pic):New function: Imported from arm.c.
24055 (add_constant): Cope with PIC constants.
24056 (fixit): Cope with PIC constants.
24057 (output_return): Do not treat the PIC register as live if
24058 TARGET_SINGLE_PIC_BASE is true.
24059 (thumb_function_prologue): Do not treat the PIC register as live if
24060 TARGET_SINGLE_PIC_BASE is true.
24061 (thumb_expand_prologue): Do not treat the PIC register as live if
24062 TARGET_SINGLE_PIC_BASE is true.
24063 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24064 TARGET_SINGLE_PIC_BASE is true.
24065 (thumb_print_operand): Accept '|'.
24066 (thumb_override_options): Process PIC options.
24068 * config/arm/thumb.md (movsi): Support PIC.
24069 (call_insn): Change "i" constraint to "X".
24070 (call_value_insn): Likewise.
24071 (consttable_4, consttable_8, consttable_end): Set and clear
24072 "making_const_table" as appropriate.
24073 (pic_load_addr, pic_add_dot_plus_four): New insns.
24075 * invoke.texi (Thumb Options): Fix spelling. Document new
24076 options -msingle-pic-base and -mpic-register=.
24078 1999-07-26 Andrew Haley <aph@cygnus.com>
24080 * config/m32r/initfini.c (__init): Use a full word immediate for
24081 __fini: this allows it to be placed in any memory region.
24083 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24084 -mmodel=medium. This is OK for all memory models.
24086 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24088 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24089 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24091 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24093 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24096 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24098 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24100 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24101 (BUILD_VA_LIST_TYPE): New.
24102 (EXPAND_BUILTIN_VA_START): New.
24103 (EXPAND_BUILTIN_VA_ARG): New.
24104 * i860.c (output_delayed_branch): Disable.
24105 (output_delay_insn): Likewise.
24106 (i860_saveregs): New.
24107 (i860_build_va_list): New.
24108 (i860_va_start): New.
24109 (i860_va_arg): New.
24110 * i860.md: Disable all peepholes using output_delayed_branch.
24111 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24113 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24115 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24116 (BUILD_VA_LIST_TYPE): New.
24117 (EXPAND_BUILTIN_VA_START): New.
24118 (EXPAND_BUILTIN_VA_ARG): New.
24119 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24120 Return the address of the save area.
24121 (clipper_build_va_list): New.
24122 (clipper_va_start): New.
24123 (clipper_va_arg): New.
24125 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24127 * arc.h (EXPAND_BUILTIN_VA_START): New.
24128 (EXPAND_BUILTIN_VA_ARG): New.
24129 * arc.c (arc_setup_incoming_varargs): Set alias set of
24131 (arc_va_start): New.
24134 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24136 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24137 (BUILD_VA_LIST_TYPE): New.
24138 (EXPAND_BUILTIN_VA_START): New.
24139 (EXPAND_BUILTIN_VA_ARG): New.
24140 * alpha.c (alpha_builtin_saveregs): Delete.
24141 (alpha_build_va_list): New.
24142 (alpha_va_start): New.
24143 (alpha_va_arg): New.
24145 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24147 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24149 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24150 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24152 * gcc.texi: More changes related to list conversion.
24153 * invoke.texi: Likewise.
24155 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24157 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24158 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24159 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24160 (stabilize_va_list): New function.
24161 (std_expand_builtin_va_start): New function.
24162 (expand_builtin_va_start): New function.
24163 (get_varargs_alias_set): New function.
24164 (std_expand_builtin_va_arg): New function.
24165 (expand_builtin_va_arg): New function.
24166 (expand_builtin_va_end): New function.
24167 (expand_builtin_va_copy): New function.
24168 (expand_builtin): Call them.
24169 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24170 __builtin_{varargs_start,stdarg_start,end,copy}.
24171 (build_va_arg): New function.
24172 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24173 (build_va_arg): Declare.
24174 * c-decl.c (ptr_type_node, va_list_type_node): New.
24175 * c-parse.gperf (__builtin_va_arg): New.
24176 * c-parse.in (VA_ARG): New token.
24177 (unary_expr): Recognize it.
24178 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24179 * expr.h (std_expand_builtin_va_start): Declare.
24180 (std_expand_builtin_va_arg): Declare.
24181 (expand_builtin_va_arg): Declare.
24182 (get_varargs_alias_set): Declare.
24183 * tree.def (VA_ARG_EXPR): New.
24184 * tree.h (BUILT_IN_VARARGS_START): New.
24185 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24186 (ptr_type_node, va_list_type_node): Declare.
24187 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24188 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24189 * m88k.h, m88k.c: Likewise.
24190 * mn10300.h, mn10300.c: Likewise.
24191 * pa.h, pa.c: Likewise.
24192 * rs6000.h, rs6000.c: Likewise.
24193 * sh.h, sh.c: Likewise.
24194 * sparc.h, sparc.c: Likewise.
24196 * emit-rtl.c (operand_subword): Copy alias set.
24197 (change_address): Likewise.
24199 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24201 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24202 not just the first one.
24204 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24206 * config/arm/arm.h (TARGET_SWITCHES): Add
24207 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24208 (TARGET_OPTIONS): Add -mpic-register=.
24209 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24210 (arm_pic_register_string): Declare.
24211 (NEED_PLT_GOT): Delete, replace with ...
24212 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24213 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24214 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24215 * config/arm/arm.c (arm_override_options): Add new option
24217 (arm_pic_register_string): New variable.
24218 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24219 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24220 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24221 (output_return_instruction): Likewise.
24222 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24223 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24224 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24226 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24227 mention of -msched-prolog. Document new options -msingle-pic-base
24228 and -mpic-register=.
24230 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24232 * haifa-sched.c (reemit_notes): Tidy.
24233 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24236 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24238 * explow.c (trunc_int_for_mode): New function.
24239 (plus_constant_wide): Use it.
24240 * combine.c (simplify_and_const_int): Likewise.
24241 (merge_outer_ops): Likewise.
24242 (simplify_shift_const): Likewise.
24243 * cse.c (simplify_unary_operation): Likewise.
24244 (simplify_binary_operation): Likewise.
24245 * emit-rtl.c (operand_subword): Likewise.
24246 * rtl.h: Declare it.
24248 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24250 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24251 (use NUM_REGS instead of NUM_INTS).
24253 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24255 * builtins.c: New file.
24256 * expr.c (saveregs_value, apply_args_value): Delete definition,
24257 moved into builtins.c.
24258 (string_constant): No longer static.
24259 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24260 apply_args_size, apply_result_size, result_vector,
24261 expand_builtin_apply_args, expand_builtin_apply,
24262 expand_builtin_return): Delete functions, moved into builtins.c.
24263 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24264 * expr.h (saveregs_value, apply_args_value): Declare variables.
24265 (expand_builtin, string_constant): Declare functions.
24266 * Makefile.in: Update to build builtin.o.
24268 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24270 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24271 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24272 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24273 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24275 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24278 1999-07-21 Michael Meissner <meissner@cygnus.com>
24280 * print-rtl.c (print_rtx): Print the names of the virtual
24283 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24285 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24286 introduced in previous delta.
24288 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24290 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24291 to avoid name clash.
24293 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24295 * c-lex.c (yylex) : Correct the test for overflow when lexing
24298 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24300 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24301 (adjust_priority): Always call ADJUST_PRIORITY.
24302 (schedule_insn): Only put insns into the ready at cost 0.
24303 (schedule_block): Remove redundant initial sort. Give clock_var
24304 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24306 * tm.texi (MD_SCHED_REORDER): Update docs.
24308 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24309 * sparc.c (ultra_reorder_called_this_block): Delete.
24310 (ultrasparc_sched_init): Don't set it.
24311 (ultrasparc_sched_reorder): Don't check it.
24313 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24315 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24316 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24317 (function_arg_boundary): Align DFmode.
24318 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24319 to get fp reg and stack overflow correct.
24320 (function_arg): Likewise.
24321 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24322 (setup_incoming_varargs): Restructure for ABI_V4; use
24323 function_arg_advance to skip final named argument.
24324 (expand_builtin_saveregs): Properly unskip the last integer arg
24325 when doing varargs. Adjust overflow location calculation.
24327 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24328 explicitly unsigned.
24329 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24330 (__VA_GP_REGSAVE): Similarly.
24331 (__va_longlong_p): Delete.
24332 (__va_arg_type_violation): New declaration.
24333 (va_arg): Restructure. Flag promotion errors. Align double.
24334 TFmode passed by reference.
24336 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24337 in the HOST_BITS_PER_WIDE_INT > 32 case.
24339 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24341 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24343 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24345 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24346 * toplev.c (documented_lang_options): Add -fpreprocessed.
24347 * cpplib.h (struct cpp_buffer): Add preprocessed.
24348 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24349 (cpp_start_read): Don't expand macros or emit an initial #line
24350 directive if -fpreprocessed.
24352 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24354 * cpplib.h (struct cpp_buffer): Added manual_pop for
24355 better C++ tokenization.
24356 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24357 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24358 * c-common.c (cpp_token): Make non-static.
24360 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24362 * c-common.h: New file.
24363 * c-common.c (permanent_obstack): Delete unused declaration.
24364 (c_global_trees): New array.
24365 (c_common_nodes_and_builtins): New function; split off common code
24366 from init_decl_processing in both c-decl.c and cp/decl.c.
24367 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24368 c_global_trees and accessor macros defined in c-common.h.
24369 Include c-common.h.
24370 * c-decl.c: Delete definitions for tree nodes that were replaced by
24372 (init_decl_processing): Build void_list_node.
24373 Call c_common_nodes_and_builtins; delete code to generate the common
24375 * objc/objc-act.c (build_module_descriptor): Rename variable
24376 void_list_node to avoid clash with c-common.h.
24378 * Makefile.in: Update dependencies.
24379 * objc/Make-lang.in: Likewise.
24381 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24383 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24384 (UNIQUE_SECTION_P): Likewise.
24385 (UNIQUE_SECTION): Likewise.
24387 1999-07-19 Linas Vepstas <linas@linas.org>
24389 * config/i370/README: New file.
24390 * config/i370/linux.h: New file.
24391 * config/i370/mvs.h: New file.
24392 * config/i370/oe.h: New file.
24393 * config/i370/t-linux: New file.
24394 * config/i370/t-mvs: New file.
24395 * config/i370/t-oe: New file.
24396 * config/i370/x-oe: New file.
24397 * config/i370/xm-linux.h: New file.
24398 * config/i370/xm-mvs.h: New file.
24399 * config/i370/xm-oe.h: New file.
24401 * i370.c (label_node_t): Add first_ref_page, label_addr,
24402 label_first_ref, label_last_ref members.
24403 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24404 (MAX_MVS_LABEL_SIZE): Define.
24405 (MAX_LONG_LABEL_SIZE): Define.
24406 (alias_node_t, alias_anchor, alias_number): New.
24407 (mvs_function_table): Reorder for EBCDIC.
24408 (ascebc, ebcasc): Unconditionally define.
24409 (i370_branch_dest, i370_branch_length): New functions.
24410 (i370_short_branch, i370_label_scan): New functions.
24411 (mvs_get_label): Renamed from mvs_add_label. Search for
24412 an existing label before creating a new one.
24413 (mvs_add_label): New function.
24414 (mvs_get_label_page): New function.
24415 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24416 over the entire list.
24417 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24418 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24419 (mvs_add_alias, mvs_need_alias): New functions.
24420 (mvs_get_alias, mvs_check_alias): New functions.
24421 (handle_pragma): New function.
24422 (mvs_function_check): New function.
24423 (unsigned_jump_follows_p): Search harder.
24424 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24425 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24426 * i370.h (TARGET_VERSION): Delete.
24427 (CPP_SPEC, CPP_PREDEFINES): Delete.
24428 (mvs_label_emitted): Delete.
24429 (TARGET_EBCDIC): Delete.
24430 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24431 (HANDLE_PRAGMA): Define.
24432 (HARD_REGNO_NREGS): Handle complex modes.
24433 (HARD_REGNO_MODE_OK): Likewise.
24434 (CLASS_MAX_NREGS): Likewise.
24435 (RET_REG): Likewise.
24436 (EXTRA_CONSTRAINT): Define.
24437 (RETURN_IN_MEMORY): True for DImode.
24438 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24439 (FUNCTION_PROFILER): Delete.
24440 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24441 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24442 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24443 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24444 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24445 (ASM_FILE_START): Add "RMODE ANY".
24446 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24447 (ASM_GLOBALIZE_LABEL): Likewise.
24448 (ASM_OUTPUT_LABELREF): Likewise.
24449 (ASM_OUTPUT_COMMON): Likewise.
24450 (PRINT_OPERAND): Handle 'K', 'W', default.
24451 (PRINT_OPERAND_ADDRESS): New.
24452 (Lots of defines): Add support for TARGET_ELF_ABI.
24453 * i370.md (attr length): New. Define for all patterns.
24454 (*): Lots of tweeks to assembly output and constraints.
24456 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24458 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24459 Disable patterns performing SImode comparisons with SImode values
24460 if TARGET_POWERPC64 and instruction does not sign-extend or does
24461 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24462 differ for signed quantities.
24463 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24464 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24465 (decrement_and_branch_on_count): Add 64-bit variant.
24467 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24469 * final.c (output_asm_insn): When searching for the matching string
24470 for a given dialect, don't run past the end of the list of
24471 alternatives if there are fewer alternatives in the template than
24474 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24476 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24477 Removed paragraph about compression of files and size limitation,
24478 duplicated in the FAQ. Use gcc-patches for posting patches.
24479 * gcc.c (main): Updated URL with bug reporting instructions to
24480 gcc.gnu.org. Removed e-mail address.
24481 * system.h (abort): Likewise.
24483 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24485 * Makefile.in (stmp-multilib-sub): Make the files extracted
24486 from $(LIBGCC1) writable.
24488 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24490 * config/arm/aout.h: Reformat for improved readability.
24492 * config/arm/arm.h: Reformat for improved readability.
24493 Replace uses of fprintf with asm_fprintf where appropriate.
24494 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24495 function declaration assembler actions.
24496 (NUM_INTS): New macro: Convert from bytes to words.
24497 (NUM_REGS): New macro: Compute number of registers required to
24498 hold a quanitity of tyep MODE.
24499 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24501 (NUM_ARG_REGS): New macro: The number of argument registers
24503 (ARG_REGISTER): New macro: Compute the register number of the Nth
24505 (LAST_ARG_REGNUM): New macro: The number of the last argument
24507 (SP_REGNUM): New macro: Register number of the stack pointer.
24508 (FP_REGNUM): New macro: Register number of the frame pointer.
24509 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24510 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24511 CUMULATIVE_ARGS so that it counts registers not bytes.
24513 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24515 Replace uses of fprintf with asm_fprintf where appropriate.
24516 (output_ascii_pseudo_op): Replace with version from thumb.c
24518 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24520 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24521 SUBTARGET_CPP_SPEC.
24522 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24523 (ASM_FILE_START): Emit ASM_APP_OFF.
24525 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24527 * pa.c (compute_frame_size): Round frame according to
24528 STACK_BOUNDARY rather than a hardwired value.
24530 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24532 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24534 * configure: Rebuilt.
24536 * configure.in (hppa*-*-linux*): New configuration.
24537 * configure: Rebuilt.
24538 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24539 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24540 * pa/pa-linux.h: New file.
24541 * pa/t-linux: New file.
24542 * pa/xm-linux.h: New file.
24544 * pa.c (hppa_legitimize_address): Change references from SImode to
24545 either Pmode or word_mode as appropriate.
24546 (emit_move_sequence, store_reg, load_reg): Likewise.
24547 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24548 (output_mul_insn): Likewise.
24549 * pa.h (PROMOTE_MODE): Likewise.
24550 (INITIALZE_TRAMPOLINE): Likewise.
24551 (Pmode): Define to word_mode.
24553 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24554 value of 4. Allocate 8 bytes for each FP register save.
24555 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24557 (hppa_expand_prologue): Likewise.
24558 * pa.h (PROMOTE_MODE): Likewise.
24559 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24560 (FUNCTION_ARG_BOUNDARY): Likewise.
24562 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24564 * pa.c (out_of_line_prologue_epilogue): Delete.
24565 (override_options): Remove -mspace related code.
24566 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24567 (compute_frame_size): Only allocate space for register that
24568 actually need to be saved.
24569 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24570 (TARGET_SWITCHES): Remove -mspace, -mno-space
24571 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24572 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24573 * pa/ee.asm, pa/ee_fp.asm: Delete.
24575 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24577 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24578 directive in column zero.
24580 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24582 * m68k.c (output_function_prologue): Fix computation of save mask
24583 when generating PIC code.
24585 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24587 * tree.c (build_type_attribute_variant): Move current_obstack restore
24588 after build_qualified_type call.
24590 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24592 * configure.in: Use t-iris6, even with GNU LD.
24593 * config/mips/iris6gld.h: Fix typo in linker spec.
24594 * config/mips/t-iris6gld: Remove.
24596 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24598 * rs6000.md (insv, extzv): Remove SImode dependence in named
24599 patterns. Explicitly generate DImode RTL if PowerPC64 and
24601 (insvdi): Reverse start and size in instruction template.
24603 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24605 * invoke.texi: Typo fixes.
24607 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24609 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24610 handle at this time instead of silently generating incorrect code.
24611 (gen_imagpart): Likewise.
24613 * reload.c (find_reloads): Emit a USE for a pseudo register without
24614 a hard register if we could not create an optional reload for the
24617 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24619 * c-typeck.c (output_init_element, process_init_element):
24620 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24621 check for nameless bit fields.
24623 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24625 * regclass.c (scan_one_insn): Notice subregs that change the
24626 size of their operand.
24627 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24629 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24631 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24632 * configure: Rebuilt.
24633 * alpha/t-ieee: New file.
24635 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24637 * rs6000.c (find_addr_reg): Do not select r0 as an address
24640 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24642 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24644 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24646 * rs6000.md (movsf): Do not force easy FP constants into memory.
24648 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24649 immed_double_const to ensure they are properly truncated then
24652 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24654 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24655 always unless NO_DEBUG is used. Compile this code
24657 (replace_symbols_in_block): Compile it unconditionally.
24659 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24661 * configure.in (i?86-*-elf*): New target.
24662 * configure: Rebuilt.
24663 * i386/i386elf.h, i386/t-i386elf: New files.
24665 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24667 * toplev.c (main): Don't complain about saying -gdwarf.
24668 (rest_of_compilation): Remove redundant code.
24670 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24672 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24674 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24676 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24677 "Li960R:", to avoid name clash.
24679 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24681 * loop.c (check_dbra_loop): When reversing a loop, delete all
24682 REG_EQUAL notes referencing the reversed biv except those which are
24683 for a giv based on it.
24685 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24687 * version.c: Drop "gcc-" prefix from version #.
24689 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24691 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24692 the label if we're being verbose.
24694 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24696 * m68k.c (output_function_prologue): Add pic register to mask
24697 if live and flag_pic.
24698 (output_function_epilogue): Likewise.
24700 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24702 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24703 directives in column zero.
24705 * pa/elf.h (ASM_FILE_START): Define.
24706 * pa/som.h (ASM_FILE_START): Include .level directives.
24707 * pa/hpux10.h (ASM_FILE_START): Delete.
24708 * pa/hpux11.h (ASM_FILE_START): Delete.
24710 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24712 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24714 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24715 when reload_out equals reload_in.
24717 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24719 * invoke.texi (Spec Files): New node: Describe the contents of
24722 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24724 * invoke.texi (DEC Alpha Options): Put @end table at
24725 beginning of line, to avoid confusing texi2html.
24727 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24729 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24730 introduced in previous delta.
24732 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24734 * reload1.c (gen_reload): When synthesizing a 3 operand add
24735 sequence, improve test for when to reload OP1 into the reload
24736 register instead of OP0.
24738 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24740 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24742 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24744 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24747 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24749 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24750 (va_dcl): Use __builtin_va_alist_t.
24752 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24754 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24755 on the permanent_obstack.
24756 * dwarfout.c (output_type): Likewise.
24758 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24760 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24761 Merged from c-typeck.c and cp/typeck.c.
24762 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24763 Merged into c-common.
24765 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24767 * c-lex.c (errorcount): Declare it.
24768 (finish_parse): Update errorcount when using CPPLIB.
24770 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24772 * fixinc/inclhack.def(end_else_label): Double the backslash so
24773 sed gets a chance to see it.
24774 * fixinc/inclhack.sh: regen
24775 * fixinc/fixincl.x: regen
24777 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24779 Add framework to support armv5 architecture when it becomes
24782 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24783 (arm_arch5): New variable.
24784 (all_architectures): Add armv5 line.
24785 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24786 -march=armv5 is specified on the command line.
24787 (arm_arch5): Export this variable.
24788 * invoke.texi: Document new string accepted by -march= switch for
24791 * config/arm/arm.h: Replace use of constant 12 as a register
24792 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24793 * config/arm/arm.c: Replace use of constant 12 as a register
24794 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24796 * config/arm/elf.h: Tidy up.
24797 * config/arm/coff.h: Tidy up.
24799 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24801 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24802 * gcc/config/mips/t-iris6gld: New file.
24803 * gcc/config/mips/iris6gld.h: Likewise.
24805 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24807 * c-decl.c (widest_integer_literal_type_node,
24808 widest_unsigned_literal_type) : New.
24809 (init_decl_processing): Handle/use the two new types.
24810 * c-common.c (type_for_size,type_for_mode) : Same.
24811 * c-lex.c (yylex) : Same.
24812 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24814 * c-tree.h (widest_integer_literal_type_node,
24815 widest_unsigned_literal_type) : New.
24817 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24819 * dwarfout.c (field_byte_offset): Correctly compute the object's
24820 byte offset for the first bit of a field which crosses an alignment
24821 boundary on a !BYTES_BIG_ENDIAN target.
24823 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24825 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24828 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24829 Jeff Law <law@cygnus.com>
24831 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24834 * except.c: Include intl.h.
24835 (expand_eh_return): Set current_function_cannot_inline.
24836 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24837 * function.h (struct function): Add eh_return_stub_label.
24838 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24839 * Makefile.in (except.o): Depend on intl.h.
24841 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24843 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24844 same as offsettable in cases 1 and 2.
24846 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24848 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24849 (extlh, extwh): Likewise.
24851 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24853 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24855 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24857 * configure.in: Add arm-pe and thumb-pe targets.
24858 * configure: Regenerate.
24860 * thumb.c (arm_naked_function_p): New function: Determines if
24861 a function is naked (has no gcc generated prologue/epilogue).
24862 (is_called_in_ARM_mode): Return true if the func has the
24863 interfacearm attribute.
24864 (output_return): Do not generate a return for naked functions.
24865 (thumb_function_prologue): Do not generate a prologue for
24867 (thumb_expand_prologue): Do not generate a prologue for naked
24869 (thumb_expand_epilogue): Do not generate an epilogue for naked
24871 (arm_valid_machine_decl_attribute): New function, copied from
24872 arm.c: Permit naked and interfacearm attributes.
24874 * config/arm/pe.c: New file: Support code for arm-pe target.
24875 * config/arm/pe.h: New file: Header file for arm-pe target.
24876 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24877 * config/arm/t-thumb-pe: New file: Makefile fragment for
24880 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24882 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24883 -fPIC or -fpic is specified.
24885 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24887 * expr.c (emit_block_move): Use copy_to_mode_reg for
24888 !TARGET_MEM_FUNCTIONS case too.
24890 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24892 * configure: Rebuilt.
24893 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24894 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24895 definitions made redundant by dbxelf.h inclusion. Delete
24896 lots of definitions related to assembly output that are
24897 specific to the SOM object format.
24898 * pa.c (output_function_prologue): Do not emit the function's
24900 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24901 * pa-pro.h: Deleted.
24902 * som.h: New file with SOM specific definitions.
24903 * elf.h: New file with ELF specific definitions.
24905 * elfos.h (const_section): Output a tab before assembler directives.
24906 (ctors_section, dtors_section): Likewise.
24907 (ASM_OUTPUT_SECTION_NAME): Likewise.
24909 * pa/pa1.h: Delete unused file.
24911 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24913 * configure.in (hppa*-hp-hpux11*): New configuration.
24914 * configure: Rebuilt.
24915 * pa/pa-hpux11.h: New file.
24916 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24919 * mips.md (leasi, leadi): New patterns.
24921 * expr.c (emit_block_move): Properly handle case where one of the
24922 block move arguments has a queued increment or decrement.
24923 (clear_storage): Similarly. Fix formatting goof.
24925 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24927 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24928 semicolon from the BSD VA_LIST replacement expression.
24930 * fixinc/inclhack.sh: regen
24931 * fixinc/fixincl.x: regen
24933 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24934 now use the fixincl program.
24936 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24938 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24939 case. Also make the PIC register call_used.
24941 * m68k.h (FINALIZE_PIC): Delete.
24942 * m68k.c (finalize_pic): Delete.
24944 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24946 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24949 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24951 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24953 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24955 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24957 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24959 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24961 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24963 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24965 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24967 * rs6000.c (output_toc): Always use hex values for floating-point
24968 constants. Store single-precision values in upper-half of TOC
24969 entry in 64-bit mode.
24970 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24971 to final constraints.
24972 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24973 (fctiwz): Improve accuracy of RTL for pattern.
24975 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24977 * expr.c (expand_expr): Allow RTL_EXPR's through the
24978 MAX_INTEGER_COMPUTATION_MODE checks.
24980 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24982 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24983 such that MASK_SUPPORT_ARCH is not negative.
24985 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24987 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24988 ADDR_DIFF_VEC insns that appear inside loops.
24990 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24991 Jeff Law <law@cygnus.com>
24993 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24994 Handle LO_SUM the same as offsettable in cases 1 and 2.
24995 * rs6000.c (find_addr_reg): Revert previous patch.
24997 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24999 * system.h (strstr): New external function declaration.
25000 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25001 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25002 * config.in, configure: Rebuilt.
25004 1999-06-24 Tom Tromey <tromey@cygnus.com>
25006 * gcc.c (main): Read user-specified specs files after computing
25007 additional startfile_prefixes.
25009 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25011 Revert these two patches:
25013 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25014 * loop.c (strength_reduce): When doing biv->giv conversion, update
25015 reg note of NEXT->insn.
25017 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25018 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25020 (recombine_givs): Set ix field after sorting.
25022 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25024 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25025 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25027 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25029 *fixinc/inclhack.def: Add fix development commentary
25030 (read_ret_type): reactivate and add selection clause
25031 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25032 *fixinc/{fixincl.x|inclhack.sh}: regen
25034 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25036 * expr.c (expand_expr): STRIP_NOPS before checking against
25037 MAX_INTEGER_COMPUTATION_MODE
25038 (check_max_integer_computation_mode): Likewise.
25040 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25042 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25044 1999-06-22 Jim Wilson <wilson@cygnus.com>
25046 * expr.c (store_expr): When target is a promoted subreg, return a
25047 promoted subreg as a result.
25049 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25051 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25053 (dwarf2out_define): Mark unused parameters appropriately.
25054 (gen_unspecified_parameters_die): Ditto.
25055 (gen_subprogram_die): Fix signed/unsigned warnings.
25056 (gen_variable_die): Ditto.
25058 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25060 * fixinc/inclhack.def(end_else_label): combined else_label
25061 and endif_label and fixed the sed expression.
25062 *fixinc/{fixincl.x|inclhack.sh}: regen
25064 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25066 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25067 'x' when handling non-offsettable addresses
25069 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25071 * final.c (shorten_branches): Don't try to split an insn that has
25074 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25076 * config/mips/mips.c (symbolic_expression_p): New function.
25077 (mips_select_rtx_section): Put symbolic expressions in the
25078 data section, not the read-only data section.
25080 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25082 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25084 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25086 * collect2.c (main): Log frame table count.
25087 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25088 (scan_prog_file) [COFF]: Handle frame tables.
25090 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25091 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25092 * alpha/elf.h: Undef them again.
25093 * alpha/vms.h: Remove their definitions.
25095 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25097 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25098 remove the clobber of r0 and change the REG_UNUSED note to
25101 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25103 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25104 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25105 fits in HOST_WIDE_INT and one uses union to access a long constant
25108 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25110 * sparc.c (sparc_override_options): Don't allow profiling for
25111 code models other than medlow.
25112 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25113 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25114 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25115 (sparc_block_profiler): Likewise.
25116 (sparc_function_block_profiler_exit): Likewise.
25117 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25118 (FUNCTION_BLOCK_PROFILER): Likewise.
25119 (BLOCK_PROFILER): Likewise.
25120 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25121 (MCOUNT_FUNCTION): New.
25122 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25123 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25124 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25125 (MCOUNT_FUNCTION): New.
25126 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25127 (BLOCK_PROFILER): Delete.
25128 (MCOUNT_FUNCTION): New.
25130 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25132 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25134 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25136 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25139 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25142 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25145 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25148 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25150 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25153 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25155 * i386/djgpp.h (LIB_SPEC): New.
25156 (STARTFILE_SPEC): New.
25158 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25160 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25162 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25165 * system.h (WSTOPSIG): New macro.
25167 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25169 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25171 (insert_pack_attributes): Take into account member natural
25174 * i386/winnt.c (exports_head): New static variable.
25175 (i386_pe_record_exported_symbol): New function.
25176 (i386_pe_asm_file_end): Use.
25177 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25178 symbols to be emitted at end of assembly.
25179 (ASM_DECLARE_OBJECT_NAME): Likewise.
25180 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25182 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25185 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25187 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25190 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25192 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25193 zapping reg_last_uses directly.
25194 (sched_analyze_2, sched_analyze_insn): Likewise.
25195 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25197 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25199 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25200 attributes for cases 1 and 2.
25202 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25204 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25207 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25209 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25211 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25213 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25214 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25215 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25216 must be stacked if it is used for PIC accesses.
25217 * arm.c (use_return_insn): Handle PIC register specially.
25218 (output_return_instruction): Likewise.
25219 (output_func_{prologue,epilogue}): Likewise.
25220 (output_expand_prologue): Likewise.
25222 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25223 (*strsi_predec): Renamed from *strqi_predec.
25224 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25225 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25227 * arm.c (arm_override_options): Remove warning about PIC code
25228 not being supported.
25230 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25232 * rs6000.c (find_addr_reg): New function.
25233 * rs6000.h (find_addr_reg): Declare.
25234 (offsettable_addr_operand): Delete.
25235 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25236 from and stores to GPRs.
25238 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25240 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25241 gen_sequence as argument to emit_no_conflict_block.
25243 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25245 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25246 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25247 *fixinc/fixincl.x: regen
25248 *fixinc/inclhack.sh: regen
25250 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25252 * added support for -mpcrel (PC relative addressing for m68k)
25253 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25254 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25255 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25256 (comments for general_src_operand): Add some explanation
25257 about EXTRA_CONSTRAINTS.
25258 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25259 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25260 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25261 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25262 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25263 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25264 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25265 if not already set.
25266 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25267 * m68k.h (TARGET_PCREL): New target flag.
25268 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25269 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25270 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25271 contains a SYMBOL_REF. Relax this constraint during reload, since
25272 we want to use the predicates, not reload's built-in concept of a
25273 valid memory address, to control what insns need reloading.
25274 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25275 operands (essentially 'g', 'm', and 's' under normal circumstances).
25276 * m68k.c (print_operand): Cause printing of pc-relative addresses
25277 to include pc register.
25278 (print_operand_address): Ditto.
25279 (general_src_operand): Accept operands that are not only
25280 general_operands, but are also valid when used as a pc-relative
25282 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25283 (memory_src_operand): Similar, for memory_operands.
25284 (pcrel_address): New predicate to accept the special case of a
25285 pc-relative address.
25286 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25287 QImode insns to accept *_src_operand instead of *_operand where
25288 pc-relative operands can fit. For example, a pc-relative operand
25289 can be used as a memory source operand for addsi3, but not as a
25290 memory destination.
25291 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25293 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25295 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25296 .thumb_set pseudo op to mark aliases of thumb functions.
25298 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25300 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25301 preference to ASM_OUTPUT_DEF, if it is defined.
25303 * tm.texi: Document new, optional target macro
25304 ASM_OUTPUT_DEF_FROM_DECLS.
25306 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25308 * fixincludes: ISCNTL patch
25309 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25310 (dgux_int_varargs): new for DG/UX
25311 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25313 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25315 * invoke.texi (ia32 options): Fix typo.
25317 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25319 * loop.c (strength_reduce): When doing biv->giv conversion, update
25320 reg note of NEXT->insn.
25322 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25324 * loop.c (move_movables): Note issues with replacing REGs with
25326 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25328 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25330 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25332 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25333 the reference to `mcount' was not correct for the ELF on FreeBSD.
25335 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25337 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25340 (recombine_givs): Set ix field after sorting.
25342 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25344 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25345 to safe to extract a subword out of a REG.
25347 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25349 * sh.md (mulsi3): Don't add a no-op move at the end.
25351 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25353 * cse.c (cse_insn): Don't put hard register source into tables for
25354 the last insn of a libcall.
25356 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25358 * loop.c (strength_reduce): Insert sets of derived givs at every
25359 biv increment, even if it's the only one.
25361 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25363 * dwarfout.c (add_incomplete_type): New fn.
25364 (output_type): Call it.
25365 (retry_incomplete_types): New fn.
25366 (dwarfout_finish): Call it.
25368 From Eric Raskin <ehr@listworks.com>:
25369 (output_type): Output types for bases.
25371 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25373 * mips.c (mips_output_conditional_branch): Add `break'
25374 between `default' label and `close braces'.
25376 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25378 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25379 specifications and make it realistic.
25380 (LIB_SPEC): Likewise.
25382 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25384 * config/mips/mips.c (mips_secondary_reload_class): Check for
25385 (PLUS (SP) (REG)) and return appropriate register class.
25386 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25387 Handle (PLUS (SP) (REG)).
25388 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25389 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25390 of emit_insn for tablejump.
25392 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25394 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25395 asm_fprintf format string by itself.
25396 (output_function_profiler): Likewise.
25398 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25400 * combine.c (simplify_logical, case AND): Only call
25401 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25402 or the constant is positive.
25404 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25406 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25407 * configure: Regenerate.
25409 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25411 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25412 require a sub-version #.
25413 * configure: Rebuilt.
25415 1999-06-14 Robert Lipe (robertlipe@usa.net)
25417 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25419 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25421 * c-typeck.c (process_init_element): Detect excess elements in
25422 char array initializer.
25424 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25426 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25428 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25430 * invoke.texi (Option Summary): Add -fpermissive flag.
25432 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25434 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25435 that require PIC code sequences.
25437 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25439 * configure.in: Add new target: thumb-elf.
25440 * configure: Regenerate.
25441 * config/arm/t-thumb-elf: New file: Makefile fragment for
25443 * config/arm/telf.h: New file: Header file for thumb-elf
25446 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25448 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25449 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25450 initializers is some circumstances.
25452 * fixinc/inclhack.def (endif_label): Add additional selector for
25453 more bogus stuff after #endif statements.
25454 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25456 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25458 * i386/cygwin.h (SET_ASM_OP): Define.
25460 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25462 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25464 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25466 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25469 * sh.md (ic_invalidate_line_i): Remove second alternative.
25471 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25473 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25474 test for the presence of valid prototypes. Delete bypass expr.
25475 (ioctl_fix_ctrl): Correct the selection expression.
25476 (no_double_slash): Correct quoting rules
25477 *fixinc/fixincl.x: regen
25478 *fixinc/inclhack.sh: regen
25480 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25482 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25484 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25486 * rs6000.md (movsi_got_internal_mem): Delete.
25487 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25488 (GOT_TOC_REGNUM): Delete.
25489 (PIC_OFFSET_TABLE_REGNUM): Define.
25490 (FINALIZE_PIC): Disable.
25491 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25492 (rs6000_replace_regno): Delete.
25493 (rs6000_finalize_pic): Likewise.
25494 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25496 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25498 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25499 is a note; use <= for the compare; advance P while it is
25502 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25504 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25505 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25507 * varasm.c (remove_from_pending_weak_list): Verify t->name
25508 is non-NULL before passing it to strcmp.
25510 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25512 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25513 the typed arguments are not part of a comment
25514 (ioctl_fix_ctrl): Added a purpose comment
25515 *fixinc/fixincl.x: regenerate
25516 *fixinc/inclhack.sh: regenerate
25518 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25520 * invoke.texi: Add C4x invocation docs.
25522 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25524 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25526 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25528 (c4x_legitimize_reload_address): New function.
25529 * config/c4x/c4x.md: Update docs.
25531 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25533 * fixincludes: Avoid removing '.'.
25534 * fixinc/fixinc.svr4: Likewise.
25535 * fixinc/fixinc.winnt: Likewise.
25536 * fixinc/inclhack.tpl: Likewise.
25537 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25539 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25541 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25543 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25545 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25547 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25550 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25552 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25553 * configure: Regenerate.
25555 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25557 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25560 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25562 * fixinc/inclhack.def (avoid_bool): Also catch
25563 "typedef [unsigned] int bool".
25564 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25566 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25567 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25568 * configure: Rebuilt.
25570 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25572 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25573 such that we can override its definitions if necessary.
25574 (CPP_SPEC): New define. Support processor specific predefines via
25576 (CC1_SPEC): New define. Support processor specific compiler
25577 options via %(cc1_cpu).
25578 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25581 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25583 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25584 between sed's -e flag, and the open-quote following it.
25585 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25587 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25588 Jeffrey A Law (law@cygnus.com)
25590 * varasm.c (assemble_start_function): Remove the function
25591 from the pending weak decls list when we define a function.
25592 (assemble_variable): Similarly for variables.
25593 (weak_finish): Ignore items on the list with a NULL name.
25594 (remove_from_ending_weak_list); New function to "remove" an item
25595 from the pending weak declarations list.
25597 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25599 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25601 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25603 * c-lex.c (GETC): Redefine to call getch.
25604 (UNGETC): Redefine to call put_back.
25605 (putback_buffer): New structure type.
25606 (putback): New static structure.
25607 (getch): New function.
25608 (put_back): New function.
25609 (yylex): Replace unused bytes from bad multibyte character.
25611 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25613 * cpplib.c (do_define): Cast `alloca' return value.
25614 (do_include, do_undef, do_pragma): Likewise.
25615 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25617 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25618 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25620 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25622 * sparc.md (abstf2): This should be an expand.
25623 (split after abstf2_notv9): Fix mode.
25624 (abstf2_hq_v9): New pattern.
25625 (abstf2_v9): Only use when no hard quad.
25626 (absdf2_v9): Fix if target is not the same as source.
25627 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25628 Add correct output constraints.
25630 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25632 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25633 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25635 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25637 * mips.h (mips_output_conditional_branch): New function.
25638 (mips_adjust_insn_length): Likewise.
25639 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25640 (ADJUST_INSN_LENGTH): Likewise.
25641 * mips.c (print_operand): Add `F' and `W' for floating-point
25642 comparison opcodes.
25643 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25645 (mips_adjust_insn_length): New function.
25646 (mips_output_conditional_branch): New function.
25647 * mips.md (length): Adjust attribute definition to handle
25648 conditional branches. Change lengths to bytes, rather than
25649 instructions throughout. Remove length attribute from
25650 instructions whose length is four bytes, and rely on the default
25652 (dslot): Fix typo in comment.
25653 Reword conditional branch patterns to use
25654 mips_output_conditional_branch.
25656 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25658 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25659 (LIB_SPEC): Likewise.
25660 Link with -lprof1_r for -g/-pg.
25662 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25664 * loop.c (check_dbra_loop): Fix change of Jan 19.
25666 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25668 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25669 (STARTFILE_SPEC): Define, override the svr4.h version.
25670 (ENDFILE_SPEC): Likewise.
25672 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25674 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25675 * fixinc/fixincl.x: Regenerated.
25676 * fixinc/inclhack.sh: Regenerated.
25678 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25680 * sh.c (barrier_align): Don't return early for normal branch/barrier
25681 when optimizing for SH2.
25683 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25685 * i386/udk.h (LINK_SPEC): Correct linker search path for
25688 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25690 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25691 (braf_label_ref_operand): Delete.
25692 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25693 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25694 label_ref, and has no predicate.
25695 The patten has a predicate to guard against invalid substitutions.
25696 (dummy_jump): Delete.
25697 (casesi): Update use of casesi_jump_2.
25699 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25701 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25702 *fixinc/fixincl.x: regenerate
25703 *fixinc/inclhack.sh: regenerate
25705 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25707 * dwarf2out.c (add_incomplete_type): New fn.
25708 (gen_struct_or_union_type_die): Call it.
25709 (retry_incomplete_types): New fn.
25710 (dwarf2out_finish): Call it.
25712 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25714 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25715 current block starts with a CODE_LABEL and ends with a CALL and
25716 we can not find all the argument setup instructions for the CALL.
25718 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25720 Revert this change:
25721 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25722 something is a candidate for optimize_bit_field_compare.
25724 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25726 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25728 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25730 * alpha.c (override_options): Thinko in last patch.
25732 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25733 (LIB_SPEC): Recognize -pthread.
25735 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25737 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25738 definition in config/arm/coff.h
25739 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25741 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25743 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25744 fixes that need "file=xxx\n" prepended before invocation
25745 (start_fixer - new): starting the fixer process is complex enough
25746 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25747 (process): uses the new routine; omit usage of putenv()
25748 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25749 * fixinc/fixincl.x: regenerate
25751 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25753 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25754 and version #s (1.1 -> 2.96) as needed.
25755 * README.g77: Kill way out of date file in the toplevel directory.
25757 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25759 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25760 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25761 * configure: Rebuilt.
25762 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25763 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25764 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25765 (SWITCH_TAKES_ARG): Likewise.
25766 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25767 * config/t-freebsd: Moved from config/i386/ so it can used for all
25770 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25772 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25774 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25776 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25777 * configure: Rebuilt.
25779 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25781 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25782 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25783 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25784 (rs6000_output_load_toc_table): Same.
25785 (output_prolog, output_mi_thunk): Same.
25786 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25787 (ASM_GLOBALIZE_LABEL): Use putc.
25789 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25791 * alpha.md (reload_*_help): New patterns and splitters.
25792 (reload_*): Use them.
25793 (mov[qh]i): Likewise.
25795 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25797 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25800 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25802 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25804 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25806 * flow.c (mark_regs_live_at_end, insn_dead_p,
25807 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25808 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25809 hasn't run or the frame pointer is needed.
25810 * haifa-sched.c (attach_deaths): Likewise.
25811 * sched.c (attach_deaths): Likewise.
25813 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25815 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25816 calculate_can_reach_end returns nonzero.
25818 * configure.in (native gas tests): Search for an assembler in the
25819 same manner that the installed compiler will.
25820 * configure: Rebuilt.
25821 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25823 * alias.c (find_base_term): Improve handling of addresses
25824 constructed from binary operations.
25826 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25828 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25830 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25832 * function.h (cleanup_label, frame_offset): Declare.
25833 (tail_recursion_label, tail_recursion_reentry): Likewise.
25834 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25835 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25836 (tail_recursion_label, tail_recursion_reentry): Likewise.
25837 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25839 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25841 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25843 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25844 (MAX_OFILE_ALIGNMENT): Define.
25846 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25848 * fixincl.c: Replace local include scheme with #includes of
25849 gansidecl.h and system.h.
25850 * procopen.c: Likewise.
25851 * server.c: Likewise.
25853 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25855 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25856 (crti.o): Add build rule and dependencies.
25857 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25859 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25861 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25862 (LIB_LINUX_SPEC): Likewise.
25863 (LIB_LINUX_SPEC): Add support for -pthread
25864 (CPP_OS_LINUX_SPEC): Likewise.
25865 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25868 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25870 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25872 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25873 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25874 for IEEE math and CC_FCOMI.
25875 (put_jump_code): No IEEE if CC_FCOMI is set.
25877 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25879 * fold-const.c (fold_truthop): Make the field reference unsigned
25880 when converting a single bit compare.
25882 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25884 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25886 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25888 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25889 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25892 * reload.c (push_reload): Do not call remove_address_replacements
25893 when presented with identical optional reloads.
25895 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25897 * alpha.h (MASK_FIX, TARGET_FIX): New.
25898 (MASK_*): Reorganize constants.
25899 (CPP_AM_FIX_SPEC): New.
25900 (TARGET_SWITCHES): Add FIX.
25901 (EXTRA_SPECS): Likewise.
25902 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25903 (SECONDARY_MEMORY_NEEDED): Likewise.
25904 (REGISTER_MOVE_COST): Likewise.
25905 * alpha.c (override_options): Add FIX support. Always use
25906 ALPHA_TP_PROG for ev6.
25907 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25908 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25909 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25911 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25913 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25914 something is a candidate for optimize_bit_field_compare.
25916 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25918 * gcc.texi (Passes): Document branch-shortening.
25919 * invoke.texi (Debugging Options): Document the fact that `-dp'
25920 outputs length information for instructions.
25922 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25924 * flow.c: Revert previous delta.
25926 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25928 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25929 FRAME_POINTER_REGNUM.
25930 (mark_set_1): Ditto.
25931 (mark_used_regs): Ditto.
25933 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25935 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25936 (GOT_PCREL): New macro. Define to 1 if not already defined.
25937 * arm/elf.h (GOT_PCREL): Define to 0.
25938 * arm.c (arm_finalize_pic): Take into account the setting of
25941 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25943 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25944 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25946 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25947 store elimination candidates.
25949 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25951 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25954 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25956 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25957 Add use of x-aix41-gld.
25959 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25961 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25962 (ASM_OUTPUT_DESTRUCTOR): Define.
25964 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25966 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25967 last CODE_LABEL in a loop if we have previously passed a jump
25968 to the top of the loop.
25970 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25972 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25973 applying Philip's patch.
25975 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25977 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25980 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25982 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25984 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25986 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25987 Also remove a useless comment.
25989 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25991 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25993 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25995 * collect2.c (main): Only generate import or export file and add
25996 to link arguments if non-empty. Use xmalloc not alloca.
25997 (write_{export,import}_file): Delete.
25998 (write_aix_file): New function.
25999 (locatelib): Use xmalloc not malloc.
26000 (GCC_OK_SYMBOL): Do not check type if aix64.
26002 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26004 Based on patch by Scott Bambrough and Pat Beirne:
26005 * config/arm/arm.c (making_const_table): New variable.
26006 * config/arm/arm.h (making_const_table): Declare.
26007 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26009 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26010 Keep track of when we are building the constant table.
26012 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26014 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26017 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26019 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26022 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26024 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26027 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26029 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26031 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26033 * rs6000.c (output_mi_thunk): Enable full support again.
26035 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26037 * sh.h (BRANCH_COST): Define.
26039 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26041 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26043 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26045 * function.c (assign_stack_local): Align stack slot propertly.
26046 (assign_outer_stack_local): Likewise.
26048 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26050 * expr.h (lang_expand_constant): Declare.
26051 * toplev.c (lang_expand_constant): Define it.
26052 * varasm.c (output_constant): Use it.
26054 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26056 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26057 Change function definitions to K&R style.
26059 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26061 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26063 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26065 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26066 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26067 (several places): omit static initialization
26068 (process): use single fd, since only the read fd is used
26069 * fixinc/gnu-regex.c: define 'const' away, if not supported
26070 * fixinc/procopen.c(several places): omit static initialization
26071 * fixinc/server.c: define 'volitile' away, if not supported
26073 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26075 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26076 asm_fprintf and %L to generate the label name.
26077 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26078 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26080 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26082 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26083 insn for a conditional jump can not be found.
26085 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26087 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26088 on variables in specific sections other than .sbss and .sdata.
26090 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26092 * stmt.c (expand_return): Call start_cleanup_deferral and
26093 end_cleanup_deferral around conditional code.
26095 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26097 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26098 filename lists. Utilizes new "krstr" AutoGen function.
26099 * fixinc/fixincl.x: Rebuilt.
26101 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26103 * i386.c (output_float_compare): Avoid GNU-C extensions.
26105 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26107 * version.c: Bump to distinguish mainline tree from the
26110 See ChangeLog.1 for earlier changes.