1 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
8 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
9 for call instruction with mode QImode.
11 2000-04-27 Alex Samuel <samuel@codesourcery.com>
13 * Makefile.in (OBJS): Add timevar.o.
14 (toplev.o): Depend on timevar.h.
15 (ggc-simple.o): Likewise.
16 (ggc-page.o): Likewise.
17 (timevar.o): New rule.
18 (timevar.h): New rule.
20 * timevar.h: New file.
21 * timevar.c: Likewise.
22 * timevar.def: Likewise.
24 * toplev.h (gc_time, parse_time, varconst_time): Remove.
25 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
27 (TIMEVAR): Remove macro.
28 (gc_time, parse_time, varconst_time, integration_time, jump_time,
29 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
30 flow_time, combine_time, regmove_time, sched_time,
31 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
32 sched2_time, dbr_sched_time, reorder_blocks_time,
33 rename_registers_time, shorten_branch_time, stack_reg_time,
34 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
36 (compile_file): Don't initialize time variables. Call
37 init_timevar and start TV_TOTAL timer. Call timevar_print instead
38 of many calls to print_time.
39 (rest_of_compilation): Add timing for reload_cse_regs.
40 (get_run_time): Removed to timevar.c.
41 (print_time): Likewise.
42 (get_run_time): Implement using TV_TOTAL time variable.
43 (print_time): Get total run time from get_run_time.
44 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
45 computing elapsed time explicitly.
46 * ggc-simple.c (ggc_collect): Likewise.
47 (gc_time): Remove declaration.
49 2000-04-27 Mark Mitchell <mark@codesourcery.com>
51 * calls.c (combine_pending_stack_adjustment_and_call): New function.
52 (expand_call): Use it.
54 2000-04-27 Jan Hubicka <jh@suse.cz>
56 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
59 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
61 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
64 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
66 * function.c (epilogue_done): Pass whole insn to record_insns.
68 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
70 * cse.c (CSE_ADDRESS_COST): Remove.
71 (find_best_addr): Add new parameter "MODE", use address_cost instead
74 (fold_rtx): Update call of find_best_addr.
75 * rtl.h (address_cost): Declare.
76 * loop.c (general_induction_var): Add new parameter "MODE", use
77 address_cost instead of ADDRESS_COST
78 (init_loop): Use address_cost instead of ADDRESS_COST.
79 (check_insn_for_givs): Update call of general_induction_var.
80 (find_mem_givs): Likewise.
81 (consec_sets_giv): Likewise.
82 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
83 * i386.c (ix86_address_cost): New.
84 * i386-protos.h (ix86_address_cost): Declare.
86 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
88 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
91 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
93 * expr.c (store_expr): Use clear_storage instead of direct memset
96 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
98 * config/mn10300/mn10300.c (mn10300_address_cost): Test
99 ASHIFT, AND and LABEL_REF.
101 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
103 * invoke.texi (-foptimize-sibling-calls): Fix.
105 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
107 * loop.c (load_mems) Don't use hard registers for the hoisting.
109 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
110 calculation; rename const_equiv array in the preconditioning code
111 from loop_unroll to loop_unroll_precondition
113 2000-04-27 Richard Henderson <rth@cygnus.com>
115 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
117 (propagate_one_insn): Clear it. Don't update reg_live here.
118 (init_propagate_block_info): Update for pbi member changes.
119 (free_propagate_block_info): Likewise.
120 (mark_set_1): Know that zero_extract, sign_extract, and
121 strict_low_part don't kill their argument. Alter hard subregs.
122 Update new_set for non-CLOBBER sets. Update reg_live.
123 (find_auto_inc): Update reg_live, not new_dead.
124 (mark_used_reg): Update reg_live, not new_live. Examine new_set
125 to determine if the reg in question was set this insn. Only update
126 reg info with PROP_REG_INFO.
128 2000-04-26 Richard Henderson <rth@cygnus.com>
130 * flow.c (allocate_reg_life_data): Set max_regno here ...
131 (life_analysis): ... not here.
133 * flow.c (calculate_global_regs_live): Force stack pointer
136 2000-04-26 Richard Henderson <rth@cygnus.com>
138 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
139 commit change group changes.
140 (invert_exp_1): Similarly.
141 (redirect_exp, invert_exp): Use them.
142 (redirect_jump_1): New.
143 (invert_jump_1): New.
144 (jump_optimize_1): Remove code subsumed by condexec.c.
145 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
147 2000-04-26 Richard Henderson <rth@cygnus.com>
149 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
151 * genconfig.c (main): Set all HAVE_foo to 1.
153 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
155 2000-04-26 Alex Samuel <samuel@codesourcery.com>
157 * invoke.texi: Document -fssa flag.
159 2000-04-26 Richard Henderson <rth@cygnus.com>
161 * flow.c (count_reg_sets_1): Remove.
162 (count_reg_sets, count_reg_references): Remove.
163 (recompute_reg_usage): Implement with update_life_info.
164 Reallocate life data.
166 2000-04-26 Richard Henderson <rth@cygnus.com>
168 * flow.c (update_life_info): Consider blocks null to mean the
170 (calculate_global_regs_live): Likewise.
171 (life_analysis): Do that instead of collecting all_blocks.
173 2000-04-26 Richard Henderson <rth@cygnus.com>
175 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
176 a still-valid conditional jump.
178 2000-04-26 Richard Henderson <rth@cygnus.com>
180 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
182 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
183 * flow.c (calculate_loop_depth): Remove.
184 * output.h (calculate_loop_depth): Don't declare.
185 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
186 inline; run estimate_probability at the same time.
188 2000-04-26 Neil Booth <NeilB@earthling.net>
190 * cpplib.h: "~=" is not a single pp-token.
191 * cpplex.c: Correct commentary.
193 2000-04-26 Richard Henderson <rth@cygnus.com>
195 * flow.c (mark_set_1): New arguments code and flags; update all
196 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
197 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
198 loop_depth when optimizing for size. Do new_dead update after
199 emitting REG_UNUSED notes. Merge mark_set_reg code.
200 (mark_set_reg): Remove.
201 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
202 arrange to not emit REG_UNUSED notes.
204 2000-04-26 Richard Henderson <rth@cygnus.com>
206 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
207 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
209 2000-04-26 Richard Henderson <rth@cygnus.com>
211 * flow.c (propagate_one_insn): Break out from propagate_block.
212 (init_propagate_block_info): Likewise.
213 (free_propagate_block_info): Likewise.
214 (propagate_block): Use them. Export.
215 * basic-block.h: Declare them all.
217 2000-04-26 Richard Henderson <rth@cygnus.com>
219 * basic-block.h (life_analysis): Declare here ...
220 * output.h: ... not here.
221 * flow.c (life_analysis): Remove nregs parameter; replace
222 remove_dead_code with flags. Remove ssa dead code check.
223 Only init alias analysis if we'll use it.
224 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
225 * ssa.c (convert_to_ssa): Likewise.
226 (convert_from_ssa): Likewise.
227 * toplev.c (rest_of_compilation): Likewise.
229 2000-04-26 Richard Henderson <rth@cygnus.com>
231 * flow.c (flow_delete_block): Rename from delete_block. Export.
232 * basic-block.h (flow_delete_block): Declare.
234 2000-04-26 David S. Miller <davem@redhat.com>
236 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
237 taking a PATTERN of it.
239 2000-04-26 <NeilB@earthling.net>
241 * cpplex.c (spell_other, spell_char): Remove.
243 (token_spelling, trigraph_map): Use unsigned chars.
244 (_cpp_lex_line): Tidy up the switch statement.
245 * cpplib.h: Implement spell_char with spell_string.
248 2000-04-26 <RodneyBrown@pmsc.com>
250 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
251 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
253 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
256 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
257 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
258 dwarf2out_return_save, dwarf2out_return_reg,
259 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
260 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
261 gen_compile_unit_die, dwarf2out_init): Constify a char*.
263 * dwarf2out.h (dwarf2out_init): Likewise.
265 * dwarfout.c (filename_entry, primary_filename, last_filename,
266 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
268 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
269 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
270 dwarf2out_return_reg): Likewise.
272 2000-04-26 Andreas Jaeger <aj@suse.de>
274 * extend.texi (Function Attributes): Fix description of pure
277 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
279 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
280 before calling rest_of_compilation.
282 2000-04-26 Andreas Jaeger <aj@suse.de>
284 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
287 2000-04-25 Richard Henderson <rth@cygnus.com>
289 * cse.c (cse_insn): Emit barrier after unconditional jump.
291 * calls.c (expand_call): Disable tail call generation once
292 rtx_equal_function_value_matters is false.
294 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
297 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
299 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
301 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
303 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
304 is the primary DIE for a member function.
305 (gen_decl_die): Call set_decl_origin_self here.
306 * dwarfout.c (output_decl): And here.
307 * integrate.c (output_inline_function): Not here.
308 Don't clear DECL_INLINE until after calling rest_of_compilation.
309 (set_decl_origin_self): No longer static.
310 * tree.h: Add prototype.
311 * toplev.c (note_deferral_of_defined_inline_function): Only write
312 out abstract instance for actual inlines.
314 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
316 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
317 EXTENDED_REGS only if TARGET_AM33.
318 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
319 SP_REGS to register allocation and reloading unless absolutely
321 (movsi3): Remove special-case of adding non-constants to SP.
323 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
326 INCLUDES to search and does not provide any of its own. Also it
327 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
328 parameters. Also it does not call AC_DEFINE.
329 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
330 AC_DEFINE and provides for automatic entries for autoheader.
331 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
333 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
334 so we can pass -I flags and include gansidecl.h/system.h in this
337 * acconfig.h: Delete all NEED_DECLARATION_* entries.
339 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
342 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
343 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
345 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
346 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
347 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
348 for these macros. Clean up spacing and linewraps.
350 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
352 * calls.c (expand_call): Use get_callee_fndecl.
354 * print-tree.c (print_node): Print the chain of an _EXPR.
356 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
357 Jim Wilson <wilson@cygnus.com>
358 Andrew Haley <aph@cygnus.com>
360 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
361 and gp save/restore problems.
362 * config/ia64/crtend.asm: Add IA-64 unwind support.
363 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
364 in fr_pad_size calculation.
365 (save_restore_insns): Move PR save area. Correct uses of
367 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
368 (ia64_expand_epilogue): Add eh_epilogue support.
369 (ia64_function_prologue): Emit .prologue directive.
370 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
371 (ia64_override_options): Set init_machine_status and
373 (rtx_needs_barrier): Handle bsp reads and writes.
374 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
375 New static variables.
376 (process_set, process_for_unwind_directive): New functions.
377 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
378 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
379 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
381 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
382 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
383 (struct machine_function): Define.
384 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
386 2000-04-25 Bruce Korb <bkorb@gnu.org>
388 * fixinc/Makefile.in: make the removal of old programs more
390 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
391 install-bin and install-sh
393 2000-04-25 Nick Clifton <nickc@cygnus.com>
395 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
396 defined, define to return zero.
397 (function_cannot_inline_p): If a function has any target
398 specific attributes, then use the macro
399 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
400 whether it can be inlined. If it cannot, issue a suitable
403 * tm.texi: Add a new node 'Inlining' to document the new macro
404 FUNCTION_ATTRIBUTE_INLINABLE_P.
406 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
408 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
411 2000-04-25 Neil Booth <NeilB@earthling.net>
413 Restore previous patch, plus the following fixes:
415 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
416 flags, not CPP_OPEN_PAREN.
417 * cpplex.c (expand_token_space, init_token_list,
418 cpp_free_token_list): Put the dummy token at list->tokens[-1].
419 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
421 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
423 * config/i386/freebsd.h (INT_ASM_OP): Define.
425 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
427 * loop.c (strength_reduce): Fix typo in the last checkin.
429 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
431 * stor-layout.c (finalize_record_size): Simplify to use existing
433 (compute_record_mode): No longer static.
434 * tree.h (compute_record_mode): New declaration.
436 2000-04-25 Neil Booth <NeilB@earthling.net>
438 * Revert my patch below until cause of build failures
441 2000-04-25 Richard Henderson <rth@cygnus.com>
443 * combine.c (combine_instructions): Add missing argument
446 * toplev.c (rest_of_compilation): Delay sibcall optimization
447 until after emit_eh_context.
449 2000-04-24 Nick Clifton <nickc@redhat.com>
451 * combine.c (combine_instructions): Do not try to combine a
452 sequence of insns when the second insn has been replaced by a
455 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
457 * gcc.c (load_specs): New static function.
458 (read_specs): Use it.
460 * gcc.c (lookup_compiler): Make multiple passes for case
461 insensitive filesystems.
463 2000-04-24 Neil Booth <NeilB@earthling.net>
465 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
466 * cpphash.h (_cpp_check_directive): new.
467 * cpplex.c (handle_newline, cpp_free_token_list,
468 init_trigraph_map, trigraph_ok, trigraph_replace,
469 backslash_start, skip_block_comment, skip_line_comment,
470 skip_whitespace, parse_name, parse_number, parse_string,
471 copy_comment, _cpp_lex_line, spell_char, spell_string,
472 spell_comment, spell_name, spell_other, _cpp_lex_file,
473 _cpp_output_list): new.
474 (expand_name_space): take length argument.
475 (init_token_list): add comment list initialisation.
476 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
477 instead of HSPACE_BEFORE.
479 * cpplib.c (_cpp_check_directive): new
480 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
481 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
482 (HSPACE_BEFORE): delete.
483 (TTYPE_TABLE): rearrange.
484 (struct cpp_toklist): update.
486 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
489 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
490 argument form of AC_DEFINE.
492 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
493 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
494 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
495 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
496 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
498 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
500 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
502 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
503 deduced.h): Use -isystem, not -I, for including system headers.
505 2000-04-24 Nick Clifton <nickc@cygnus.com>
507 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
508 the source register is the frame pointer or arg pointer.
509 (addsi3_small_int): Disallow if source register is the frame
510 pointer or arg pointer.
512 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
515 call to AC_MSG_RESULT.
517 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
519 * invoke.texi: Correct grammatical errors, document
520 -fno-gnu-keywords as identical to -fno-asm for C++.
522 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
524 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
525 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
526 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
527 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
528 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
530 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
531 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
532 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
533 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
536 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
538 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
539 (pop_alignment): Likewise.
540 (handle_pragma_token): Likewise.
542 2000-04-24 Robert Lipe <robertlipe@usa.net>
544 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
546 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
548 * combine.c (try_combine): Update reg_nonzero_bits of
549 newi2pat before newpat.
551 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
553 * loop.c (strength_reduce): Simplify test to INSN_P.
554 (record_giv): Attempt to simplify the add value, use CONSTANT_P
555 expressions instead of CONST_INT.
556 (express_from_1): Likewise.
558 2000-04-24 Mark Mitchell <mark@codesourcery.com>
560 * regs.h (reg_n_max): Don't declare.
561 * flow.c (reg_n_max): Don't define.
562 * regclass.c (renumber): Don't initialize to zero.
563 (regno_allocated): Likewise.
565 (allocate_reg_info): Don't initialize unnecessarily.
567 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
569 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
570 and blockage_p in the newly allocated attribute.
572 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
574 * config/mn10300/mn10300.md (addsi): `inc4' on address
575 registers does not modify cc, but `inc' on an extended
578 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
580 * reload.c (find_equiv_reg): Checks all valueno regs
581 as a reload_reg_p regs.
583 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
585 * cpphash.c (collect_objlike_expansion): Add sanity check.
586 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
587 the buffer is the empty string, return. Mark __DATE__ and
588 __TIME__ as XCONST nodes, not MCONST.
589 (_cpp_macroexpand): Avoid pushing an empty buffer.
590 (funlike_macroexpand): Don't pop token_buffer here.
592 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
594 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
595 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
596 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
597 (REGNO_OK_FOR_BASE_P): Define in terms of them.
598 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
599 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
600 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
602 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
604 * loop.c (simplify_giv_expr): Be more agressive on simplifying
607 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
609 * cpphash.h (struct definition): Move file, line, col members...
610 (struct hashnode): ... here. Also add 'disabled' flag.
611 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
612 T_IDENTITY. Remove T_DISABLED.
615 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
616 (collect_expansion): Split into collect_objlike_expansion and
617 collect_funlike_expansion.
618 (_cpp_macroexpand): Split out scan_arguments, stringify, and
620 (_cpp_compare_defs): Rename compare_defs, make static.
621 (_cpp_make_hashnode): Initialize hp->disabled.
622 (macro_cleanup): Adjust for new token types. Clear
624 (_cpp_create_definition): Move code here to determine what
625 sort of macro it is, and code to check for redefinitions, from
626 do_define. Implement a few simple cases without creating a
628 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
629 Handle the simple cases.
630 (push_macro_expansion): Set buf->has_escapes and hp->disabled
633 * cppinit.c (builtin_array): Change MCONST to XCONST
635 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
636 fix check for disabled and function-like macros.
637 * cpplib.c (do_define): Move most logic to
638 _cpp_create_definition.
639 (do_undef): Handle new special token types.
641 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
643 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
644 of CONSTANT_P for mult_val; always use validate_change to update insn.
646 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
648 * cpphash.c (trad_stringify, add_pat): New functions.
649 (collect_expansion): Restore support for -traditional syntax.
650 Use trad_stringify and add_pat.
651 (_cpp_macroexpand): Restore support for -traditional semantics.
652 * cpplex.c (_cpp_scan_line): Don't change space_before if we
654 (_cpp_lex_token): Provide COMMENT tokens to caller if
655 traditional and parsing_define_directive.
656 (skip_comment): Warn about // comments if -Wtraditional.
657 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
659 (do_undef): Don't warn about undefining EMPTY nodes.
661 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
663 * loop.c (strength_reduce): Fix biv removal code.
665 2000-04-22 Richard Henderson <rth@cygnus.com>
667 * predict.c (estimate_probability): Examine both sides of
668 a branch for no exits. Use 90% not 50% for predict taken.
669 Reorg for one copy of note generation code.
671 2000-04-22 Richard Henderson <rth@cygnus.com>
673 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
675 2000-04-22 Richard Henderson <rth@cygnus.com>
677 * diagnostic.c (init_output_buffer): Don't initialize format_args.
678 (output_clear): Likewise.
679 (output_printf): Use va_copy.
680 (vline_wrapper_message_with_location): Likewise.
681 (v_message_with_decl): Likewise.
682 (line_wrapper_printf): VA_START infor buffer.format_args directly.
683 * system.h (va_copy): Provide default implementation.
685 2000-04-22 Richard Henderson <rth@cygnus.com>
687 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
688 the collected condition is not a constant.
690 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
692 * diagnostic.h: New file.
694 * Makefile.in (diagnostic.o): Depends on diagnostic.h
696 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
697 various function prototypes.
698 (diagnostic.h): #include.
699 (struct output_buffer): Move into diagnostic.h.
700 (get_output_prefix): Rename to output_get_prefix. Export.
701 (init_output_buffer): Export. Break out. Ajust intialization.
702 (output_space_left, output_append): Export.
703 (output_newline): Rename to output_add_newline. Export.
704 (output_clear): Nullify additional output_buffer fields.
705 (output_puts): Rename to output_add_string. Export.
706 (dump_output): Rename to output_flush_on. Export.
707 (build_location_prefix): Constify return-type.
708 (emit_output_prefix): Rename to output_emit_prefix. Export.
709 (set_real_maximum_length): New function.
710 (output_set_maximum_length): Ditto
711 (output_clear): Ditto.
712 (output_add_character): Ditto.
713 (output_add_integer): Ditto.
714 (output_add_space): Ditto.
715 (output_format): Ditto.
716 (output_printf): Adjust buffer initialization.
717 (vline_wrapper_message_with_location): Ditto.
718 (v_message_with_decl): Ditto. Adjust call to output_puts
719 and get_output_prefix.
720 (default_print_error_function): Adjust buffer intialization.
722 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
724 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
727 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
729 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
732 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
734 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
735 accurate data about SP moves.
737 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
739 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
740 aliases to AM33 registers.
742 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
744 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
745 to all EXTENDED bitmaps.
747 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
749 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
750 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
751 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
753 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
755 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
756 the operand is not constant.
758 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
760 * reload.c (find_equiv_reg): Checks all valueno and regno regs
761 as a call-clobbered regs.
763 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
765 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
767 * rtl.def: Update comment.
768 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
769 * integrate.c (expand_inline_function): Likewise.
770 * profile.c (branch_prob): Likewise.
771 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
772 * print-rtl.c (print_rtx): Likewise.
773 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
774 (reemit_notes): Likewise; also use enum insn_note.
776 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
777 (place_field): Properly compute know and actual alignment.
779 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
782 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
785 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
787 * cpphash.c (struct arg, struct arglist): Const-ify strings.
788 (warn_trad_stringify, duplicate_arg_p): New helper functions.
789 (collect_expansion): Rewrite to scan over a token list.
790 Remove -traditional support.
791 (collect_formal_parameters): Rename to collect_params; rewrite
792 to scan over a token list.
793 (_cpp_create_definition): Adjust to scan a token list.
794 (_cpp_macroexpand): Remove -traditional support.
795 (_cpp_compare_defs): Whitespace is now canonicalized.
796 (comp_def_part): Delete function.
798 * cpphash.h: Update prototypes.
799 * cpplex.c (init_token_list): Don't set lineno if there is no
801 (pedantic_whitespace): New function.
802 (_cpp_scan_line): Mark tokens that had hspace before. Don't
803 consume a newline. Use pedantic_whitespace.
804 (_cpp_lex_token): Remove support for -traditional macros.
805 (_cpp_get_define_token): Delete.
806 (_cpp_get_directive_token): Do the real work here. Use
808 (_cpp_init_input_buffer): Initialize pfile->directbuf.
810 * cpplib.c (get_macro_name): Delete.
811 (do_define): Read the entire line into pfile->directbuf, then
812 feed the token list to _cpp_create_definition.
813 * cpplib.h (HSPACE_BEFORE): new define.
814 (struct cpp_reader): Add a toklist member, "directbuf".
816 * predict.c (estimate_probability): New heuristic: if a jump
817 branches around a block with no successors, predict it taken.
818 Disentangle control flow.
820 2000-04-20 Richard Henderson <rth@cygnus.com>
822 * loop.c (emit_iv_add_mult): Revert last change.
824 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
826 * cpplib.h (enum cpp_ttype): Add token types for all
827 punctuators. Distinguish pp-numbers from valid C numbers.
828 Give some tokens better names. Initialize from macro.
829 (struct cpp_name, cpp_token, cpp_toklist): New data
832 * cpplex.c (bump_column, expand_name_space,
833 expand_token_space, init_token_list, cpp_output_list,
834 _cpp_scan_line): New functions.
835 (output_line_command): Add third argument, new line number.
836 * cpphash.h: Update prototypes.
837 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
840 2000-04-20 Richard Henderson <rth@cygnus.com>
842 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
844 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
846 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
849 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
851 * loop.c (emit_iv_add_mult): Simplify it's input and emit
852 REG_EQUAL note explaining the calculated value.
854 * calls.c (expand_call): Avoid unnecesary precalculation
855 and outgoing parameters space guarding for sibling calls.
856 (store_one_arg): Likewise.
858 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
860 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
861 (rest_of_compilation): Write sibling dump file and account
862 for time as jump time.
863 * invoke.texi: Update documentation on dump flags.
865 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
867 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
869 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
871 * cpphash.c (special_symbol): Represent an empty macro with
872 "\r \r " not just "\r ".
873 (_cpp_macroexpand): Correct condition for the foo ( ) special
875 (unsafe_chars): Handle EOF as second argument.
876 (push_macro_expansion): Simplify test for removing escape at
877 end. Do not trim both escapes if there is no text in between.
879 2000-04-19 Jim Blandy <jimb@redhat.com>
881 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
882 of PTR_SIZE, when appropriate.
884 2000-04-19 Mark Mitchell <mark@codesourcery.com>
886 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
887 (USE_ENUM_BITFIELDS): Fix typo.
889 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
891 * stor-layout.c (place_field): Set rli->offset_align properly.
893 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
896 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
897 PARM_BOUNDARY): Remove unnecessary casts.
899 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
901 * calls.c (precompute_arguments): Remove must_preallocate and
903 (expand_call): Update call of precompute_arguments.
905 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
906 check_insn_for_givs): Break out from ...
907 (strength_reduce) ... here; use for_every_insn_in_loop to call
909 * loop.h (for_every_insn_in_loop): Declare.
910 (loop_insn_callback): New type.
912 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
914 * cpplib.c (do_pragma_poison): Strings in the token buffer are
917 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
919 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
922 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
924 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
926 * configure.in: Delete --disable-cpplib option and all
927 references to cpp_main.
928 * configure: Regenerate.
929 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
930 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
931 cccp.o, cccp, or cppmain. Link cppmain.o straight to
932 cpp$(exeext). Add --no-headers to makeinfo command line when
933 generating INSTALL. Install and uninstall cpp.1 manpage, not
935 * install.texi: Delete all references to cexp.y/cexp.c.
936 Delete ancient instructions for compiling GCC on 3b1.
937 * INSTALL: Regenerate.
939 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
940 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
941 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
943 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
944 which is no longer tested anywhere.
946 * cppinit.c (handle_option): Don't run error message through
949 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
951 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
952 * cpperror.c (hashtab.h): Now include.
953 * cppexp.c (hashtab.h): Likewise.
954 * cpplex.c (hashtab.h): Likewise.
955 * cppfiles.c (hashtab.h): Likewise.
956 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
957 to htab_find_slot_with_hash.
958 * cpphash.c (hashtab.h): Now include.
959 (_cpp_lookup_slot): INSERT is now enum insert_option.
960 * cpphash.h (_cpp_lookup_slot): Likewise.
961 * cppinit.c (hashtab.h): Include earlier.
962 (initialize_builtins): Pass enum to htab_find_slot.
963 * cpplib.c (hashtab.h): Now include.
964 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
965 (do_pragma_poison, do_assert): Likewise.
966 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
967 htab_find_slot_with_hash.
968 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
969 * tree.c (type_hash_add): Likewise.
970 (build1): Minor cleanup.
972 * ggc-common.c: Add missing blanks.
973 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
974 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
976 * stmt.c (mark_case_node): New function.
977 (mark_case_nesting): Call it.
979 * expmed.c (emit_store_flag): If comparing two-word integer
980 with zero, can optimize NE, EQ, GE, and LT.
982 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
983 * conflict.c: Minor cleanups.
984 * optabs.c: Add blank line
985 * simplify-rtx.c: Minor cleanups.
987 2000-04-18 Stan Cox <scox@cygnus.com>
989 * gengenrtl.c (genlegend): Fix misspelling.
991 2000-04-18 Robert Lipe <robertlipe@usa.net>
993 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
994 bitfields of the host compiler are not signed quantities.
995 * config.in: Regenerate.
996 * configure: Regenerate.
997 * system.h (USE_ENUM_BITFIELDS): Added.
998 (ENUM_BITFIELDS): Added.
999 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1000 (SHORT_ENUM_BUG): Deleted.
1001 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1003 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1004 (CODE_FIELD_BUG): Likewise.
1005 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1007 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1009 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1011 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1014 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1016 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1017 * cpplib.c (do_include, do_import, do_include_next,
1018 read_line_number, detect_if_not_defined): Likewise.
1019 * cpphash.c (collect_expansion): Likewise.
1020 (special_symbol, _cpp_macroexpand): Check return from
1022 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1023 macros. Delete all uses.
1025 * gcc.dg/cpp-mi.c: Add two more test cases.
1026 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1028 2000-04-17 Richard Henderson <rth@cygnus.com>
1030 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1031 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1033 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1035 * function.c (expand_function_start): Use hard_function_value to
1036 compute the RTL to use for DECL_RESULT.
1038 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1040 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1041 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1042 x86_memory_mismatch_stall): New global variables.
1043 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1044 alloved; fix load penalties for Athlon.
1045 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1046 x86_memory_mismatch_stall): Declare.
1047 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1048 TARGET_MEMORY_MISMATCH_STALL): New.
1049 * i386.md (athlon scheduling parameters): Fix latencies according to
1050 Athlon Optimization Manual.
1051 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1053 (fsqrt instruction patterns): Set athlon_decode to direct.
1054 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1055 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1056 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1057 and TARGET_PARTIAL_REGISTER_STALL machines.
1058 (pushdf_nointeger): New pattern.
1059 (pushdf_integer): Rename from pushdf.
1060 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1061 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1063 2000-04-17 Richard Henderson <rth@cygnus.com>
1065 * loop.c (canonicalize_condition): Add WANT_REG argument.
1066 Stop the search if we match it.
1067 * expr.h (canonicalize_condition): Update decl.
1068 * predict.c (expected_value_to_br_prob): Use it. Track last
1069 expected value note.
1070 (find_expected_value): Remove.
1072 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1074 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1076 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1077 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1079 * configure.in: Call AC_FUNC_MMAP_FILE.
1080 * configure: Regenerate.
1081 * config.in: Regenerate.
1083 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1084 * fixinc/fixincl.c: Likewise.
1086 2000-04-17 Richard Henderson <rth@cygnus.com>
1088 * builtins.c (expand_builtin_expect): New.
1089 (expand_builtin): Call it.
1090 * builtins.def (BUILT_IN_EXPECT): New.
1091 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1092 * extend.texi: Document it.
1094 * predict.c (expected_value_to_br_prob): New.
1095 (find_expected_value): New.
1096 * basic-block.h (expected_value_to_br_prob): Declare.
1097 * toplev.c (rest_of_compilation): Invoke it.
1099 * rtl.h (NOTE_EXPECTED_VALUE): New.
1100 (NOTE_INSN_EXPECTED_VALUE): New.
1101 * rtl.c (note_insn_name): Update.
1102 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1103 cases; handle NOTE_INSN_EXPECTED_VALUE.
1105 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1107 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1108 leaf sibcall delay slot if flag_pic.
1109 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1111 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1115 * fixproto: If fix-header fails, exit with an error.
1117 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1119 * cse.c (struct check_depdendence_data): New.
1120 (check_dependence): New function.
1121 (invalidate): Use check_depdenence.
1123 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1125 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1126 UNITS_PER_WORD is unsigned.
1128 * tree.h (struct tree_common): Remove misleading comment.
1130 2000-04-16 Dave Pitts <dpitts@cozx.com>
1132 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1133 message in quotes. Otherwise, IBM's make program treats the '#' as the
1134 start of a comment and ignores the remainder of the line.
1136 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1138 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1139 * cexp.y (initialize_random_junk): Likewise.
1140 * cppfiles.c (find_include_file): Cast alloca return value.
1141 * cppinit.c (initialize_standard_includes): Likewise.
1142 * cpplib.c (cpp_define, cpp_undef): Likewise.
1143 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1144 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1145 * fold-const.c (CHARMASK): New.
1146 (real_hex_to_f): Use it.
1147 * real.c (CHARMASK): New.
1148 (etoasc, asctoeg): Use it.
1149 (asctoeg): EBCDIC lower case characters preceed upper case.
1151 * i370.c (mvs_add_label): Change spacing for coding conventions.
1152 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1153 outputing case vectors.
1154 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1155 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1156 since vector in in the data CSECT.
1157 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1158 * i370.md (Many patterns): Put the length in the XL directives.
1159 (movdi): Put back STM and MVC in definition.
1160 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1161 pattern using the TCA.
1162 * oe.h (CPP_SPEC): Added to allow trigraphs.
1163 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1164 not support the "long long" type.
1166 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1168 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1170 (mips_reg_mode_ok_for_base_p): Likewise.
1171 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1172 (REG_OK_FOR_INDEX_P): Define unconditionally.
1173 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1174 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1175 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1176 that GET_MODE_SIZE is unsigned.
1177 (mips_reg_mode_ok_for_base_p): Define.
1178 (mips_legitimate_address_p): Likewise. Adjust now
1179 that GET_MODE_SIZE is unsigned.
1180 (block_move_loop): Make the number of bytes unsigned.
1181 (expand_block_move): Likewise.
1182 (function_arg): Make the loop counter unsigned to match the
1185 2000-04-16 Richard Henderson <rth@cygnus.com>
1187 * rtl.h (enum insn_note): New enumeration. Subsume
1188 NOTE_INSN_DELETED and friends.
1189 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1190 * rtl.c (note_insn_name): Tweak string order.
1192 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1194 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1197 * cpplex.c (output_line_command): Remove debugging prints.
1198 (cpp_output_tokens): Don't write out a zero-length buffer or
1199 try to see if it has a newline in it.
1200 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1201 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1202 the end of the loop. Use memmove. Don't read past the end of
1203 the buffer. Remove trailing newlines from error messages.
1205 2004-04-16 Neil Booth <NeilB@earthling.net>
1207 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1208 * cpplib.c: Add new syntax flags to directive table, and
1211 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1213 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1216 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1218 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1219 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1221 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 * Makefile.in (ggc-page.o): Now includes toplev.h.
1224 * ggc-page.c (toplev.h): Now included.
1225 (gc_time): Remove declaration.
1226 (ggc_collect): TIME now long.
1227 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1229 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1231 * toplev.c: Make *_time variable long to reduce chance of overflow.
1232 (TIMEVAR): Likewise for `otime'.
1233 (print_time): Arg is now long; compute percentage in FP and round.
1234 * toplev.h (print_time): Arg is long.
1236 * tree.c: Minor whitespace changes.
1238 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1239 * configure: Rebuilt.
1240 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1241 (__fixunsxfDI): Renamed from __fixunsxfdi.
1242 (__fixunsdfDI): Renamed from __fixunsdfdi.
1243 (__fixunssfDI): Renamed from __fixunssfdi.
1244 (__floatdisf): Use proper type in REP_BIT macro.
1245 (__fixunsxfSI): Renamed from __fixunsxfsi.
1246 (__fixunsdfSI): Renamed from __fixunsdfsi.
1247 (__fixunssfSI): Renamed from __fixunssfsi.
1248 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1249 Change location of macros and upper-case some names as above.
1250 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1251 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1253 * varasm.c (assemble_variable): Add cast to remove warning.
1254 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1256 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1257 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1258 region number to -1.
1260 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1262 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1263 call unshare_all_rtl.
1265 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1267 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1269 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1270 Use .s1 not .s0 for all FP instructions.
1272 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1274 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1276 (safe_fwrite, output_line_command): New static functions.
1277 (cpp_expand_to_buffer): Now private to cpplib.
1278 (cpp_scan_buffer): Take a printer.
1280 * cpphash.h: Update prototypes.
1281 * cpplib.h: Update prototypes.
1283 (cpp_buffer): Remove last_nominal_fname.
1284 (cpp_reader): Remove lineno.
1286 * cppmain.c: Use a cpp_printer.
1287 * fix-header.c: No need to inhibit line commands. Call
1288 cpp_start_read with no printer.
1290 * cpperror.c (cpp_notice_from_errno): Provide default name.
1291 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1292 (find_include_file, cpp_read_file): Use make_IHASH.
1293 (file_cleanup): Set control_macro and clear
1294 input_stack_listing_current here.
1295 (_cpp_execute_include): Don't output entering-file marker.
1296 * cpphash.c (special_symbol): Look for the line number in the
1297 buffer, not the reader.
1298 (_cpp_macroexpand): No need to disable line commands.
1299 (_cpp_dump_definition): No need to generate line commands.
1300 (dump_hash_helper): Remove excess newline from output.
1301 * cppinit.c (dump_special_to_buffer): No need to generate line
1303 (cpp_printer_init): New.
1304 (cpp_start_read): Take a printer, and start it up if it's not
1305 NULL. No need to generate line commands.
1306 (cpp_finish): Expect no buffers stacked at all. Take a
1307 printer argument, and flush the output buffer if it's not
1309 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1310 Don't put two hashes at the beginning of an assertion.
1311 (cpp_get_token): Don't increment pfile->lineno or emit line
1312 commands here. Return EOF if there's no buffer when we get
1314 * cpplib.c (do_define, skip_if_group):
1315 No need to disable line commands.
1316 (_cpp_output_line_command): Delete function.
1317 (do_line): Don't emit line commands here, but set things up so
1318 they will be emitted if necessary. Use _cpp_fake_ihash to
1319 make unique nominal_fnames if necessary.
1320 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1321 with 0 for column, not -1.
1322 (_cpp_handle_eof): Don't set the control macro here. Don't
1323 clear input_stack_listing_current here. Don't emit line
1326 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1328 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1329 always, use the default SVR4 start address.
1331 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1332 (LINK_SHLIB_SPEC): Define.
1333 (LINK_START_DEFAULT_SPEC): Define.
1334 (LINK_OS_DEFAULT_SPEC): Define.
1336 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1338 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1339 __do_global_ctors to handle constructors.
1340 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1341 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1342 (STARTFILE_MVME_SPEC): Likewise.
1343 (STARTFILE_SIM_SPEC): Likewise.
1344 (ENDFILE_ADS_SPEC): Use crtend.
1345 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1346 (ENDFILE_MVME_SPEC): Likewise.
1347 (ENDFILE_SIM_SPEC): Likewise.
1348 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1349 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1350 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1351 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1352 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1353 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1354 (CRTSTUFF_T_CFLAGS_S): Define.
1355 * config/rs6000/eabi-ctors.c: Delete.
1357 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1360 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1364 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1366 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1367 plus mask size is smaller or equal to the mode size.
1369 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1371 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1374 * expr.c (reload.h): Now included.
1375 (emit_block_move): Set volatile_ok when checking for movstr.
1376 (emit_move_1): Check for replacements in addresses in multi-word case.
1377 * Makefile.in (expr.o): Now includes reload.h.
1379 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1380 Never have a LIBCALL end a basic block.
1381 (find_basic_blocks_1): Likewise.
1382 Reorganize CALL_INSN cases.
1384 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1386 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1388 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1389 completers from mov.ret instruction.
1391 2000-04-14 Richard Henderson <rth@cygnus.com>
1393 * fold-const.c (extract_muldiv): Don't distribute and widen
1394 multiply across plus for non-sizetype unsigned types.
1396 2000-04-14 Richard Henderson <rth@cygnus.com>
1398 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1399 If the original source is dead in the incr insn, it's dead now.
1401 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1403 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1404 see if DECL_BIT_FIELD needs to still be set.
1406 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1408 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1409 print_int_cst_octal with something that's not an INTEGER_CST.
1411 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1412 and not a SUBREG to a FLOAT rtl.
1414 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1416 * emit-rtl.c (try_split): Avoid infinite loop if the split
1417 results in a sequence that contains the original insn.
1419 2000-04-13 Andreas Jaeger <aj@suse.de>
1421 * config/mips/mips.c (expand_block_move): Pass alignment
1422 argument to move_by_pieces in bits, not bytes.
1424 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1425 __pic__ for little endian.
1427 2000-04-13 Andreas Jaeger <aj@suse.de>
1429 * config/i386/i386-protos.h: Add prototype for
1430 uno_comparison_operator.
1432 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1434 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1435 * calls.c (ECF_PURE): New flag.
1436 (emit_call_1): Handle ECF_PURE calls.
1437 (initialize_argument_information): Unset ECF_PURE flag too.
1438 (precompute_arguments): Precompute for ECF_PURE too.
1439 (expand_call): Handle ECF_PURE calls too.
1440 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1441 accept value of 2 as pure function.
1442 (emit_library_call_value, emit_library_call): Rename no_queue argument
1444 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1446 * tree.h (DECL_IS_PURE): New macro.
1447 (struct tree_decl): Add pure_flag.
1448 * c-common.c (enum attrs): Add attribute "pure".
1449 (init_attributes): Initialize attribute "pure"
1450 (decl_attributes): Handle attribute "pure".
1451 * extend.texi (Attribute "pure"): Document.
1452 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1454 (flags_from_decl_or_type): Support attribute "pure".
1456 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1458 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1459 the token except for numbers and identifiers.
1461 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1463 * i386.c (ix86_expand_binary_operator,
1464 ix86_expand_unary_operator): Check no_new_pseudos
1465 instead of reload_in_progress and reload_completed.
1466 (ix86_split_ashldi, ix86_split_ashrdi,
1467 ix86_split_lshrdi): Check no_new_pseudos instead
1468 of reload_completed.
1470 2000-04-12 Jeffrey A Law (law@cygnus.com)
1472 * function.c (purge_addressof): Unshare any shared rtl created by
1473 purge_addressof and its children.
1475 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1477 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1480 2000-04-05 Andreas Jaeger <aj@suse.de>
1482 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1483 not compiling PIC code, add flags for mabi=64.
1484 (SUBTARGET_CPP_SIZE_SPEC): New.
1485 (SUBTARGET_CPP_SPEC): New.
1486 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1487 for MIPS/Linux and lots of code needs these defines.
1489 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1491 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1492 trying the "opposite arithmetic" approach.
1494 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1496 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1497 (struct sh_args): Add new field force_mem.
1498 (INIT_CUMULATIVE_ARGS): Initialize it.
1499 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1501 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1503 * calls.c (expand_call): Do not reverse args in "equal from" field.
1504 (emit_library_call_value_1): Emit_libcall_block for const and pure
1507 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1509 * reload1.c (reload_combine): Don't enable optimization for fixed
1510 registers when encountering a BARRIER.
1512 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1514 * builtins.c (expand_builtin_memcmp): Do expansion even with
1515 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1517 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1518 stack is propertly aligned; add sanity checking for aligned
1520 (expand_library_call_value_1): Add sanity checking for aligned
1523 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1525 * calls.c (emit_library_call_value_1): Change 3rd arg to
1526 locate_and_pad_parm to disregard the setting of partial.
1528 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1530 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1532 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1533 CALL_INSN from the normal case.
1535 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1537 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1538 New global variables.
1539 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1541 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1543 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1544 TARGET_ADD_ESP_8): New macros.
1545 * i386.md: Add peep2s to convert esp adjustments to push and pop
1547 (pushsi_prologue, popsi_epilogue): New patterns.
1549 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1551 * real.c (toe64): Remove stale #endif from the last change.
1553 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1555 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1556 * real.c (toe64): Revert previous change.
1558 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1560 * objc/objc-act.c: Include ggc.h.
1561 (objc_tree_index, objc_global_trees): Convert most of the
1562 static tree variables into a static array with previous names
1564 (objc_ellipsis_node): New variable.
1565 (lang_init): Call objc_act_parse_init and c_parse_init.
1566 Create objc_ellipsis_node.
1567 (build_selector_translation_table): Use objc_ellipsis_node instead
1569 (hack_method_prototype): Likewise.
1570 (get_arg_type_list): Likewise.
1571 (start_method_def): Likewise.
1572 (continue_method_def): Likewise.
1573 (gen_method_decl): Likewise.
1574 (ggc_mark_imp_list): New function.
1575 (ggc_mark_hash_table): New function.
1576 (objc_act_parse_init): New function.
1577 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1578 * c-parse.in (c_parse_init): For objc add roots of objc specific
1579 local tree variables.
1580 * objc/objc-parse.y: Rebuilt.
1581 * objc/objc-parse.c: Rebuilt.
1582 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1584 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1586 * cse.c (delete_trivially_dead_insns): Also delete insns
1587 that copy a register to itself where the destination is
1590 2000-04-11 Richard Henderson <rth@cygnus.com>
1592 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1593 (propagate_block): Initialize them. Use them in parallel instead
1594 of one tmp variable, ie revert much of the 0408 and 0407 functional
1595 changes, but keep the structural changes.
1596 (mark_set_regs): Take new_dead from propagate_block_info instead.
1597 (mark_set_1, mark_set_reg): Likewise.
1598 (mark_used_regs): Likewise with new_live.
1599 (mark_used_reg): Likewise. Revert 0408 change.
1601 2000-04-11 Nick Clifton <nickc@cygnus.com>
1603 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1605 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1607 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1609 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1610 const section to output a CONSTRUCTOR based on the same conditions
1613 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1615 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1616 * pa/pa-protos.h (output_call): Add additional argument indicating
1617 if the call is a sibling/tail call.
1618 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1619 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1620 (function_arg, function_arg_partial_nregs): Likewise
1621 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1622 (emit_move_sequence): Zero extend certain constants as needed
1624 (compute_zdepdi_operands, output_64bit_and): New functions.
1625 (output_64bit_ior, function_arg): Likewise.
1626 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1627 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1628 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1629 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1630 (output_bvb): Likewise.
1631 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1632 (output_call): New argument 'sibcall'. Generate sibcall sequences
1634 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1635 (ouput_arg_descriptor): Do not emit argument descriptors for
1637 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1639 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1640 (FUNCTION_OK_FOR_SIBALL): Define.
1641 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1642 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1643 (CPP_SPEC): Use new spec infrastructure.
1644 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1645 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1646 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1647 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1648 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1649 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1650 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1651 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1652 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1653 (FUNCTION_ARG); Call out to C code.
1654 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1655 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1656 (MIN_UNITS_PER_WORD): Likewise.
1657 * pa/pa.md (cmpdi): New expander.
1658 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1659 (64bit conditional arithmetic): New patterns.
1660 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1661 (movsicc): Not available if modes on all the operands to not match.
1662 (movdicc): New expander and associated patterns.
1663 (64bit branches): New patterns.
1664 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1665 (pre_ldd, post_std): New patterns.
1666 (64bit addil, load low part): New patterns.
1667 (special movsf constant): Not available for TARGET_64BIT.
1668 (movsf, movdf expanders): Force constants into memory.
1669 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1670 (64bit movdf/movdi patterns): New patterns.
1671 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1673 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1674 (adddi3 expander): Allow "arith_operand" for second input.
1675 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1676 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1677 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1678 (muldi3): New expander for TARGET_64BIT.
1679 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1681 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1682 patterns for TARGET_64BIT.
1683 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1684 patterns for TARGET_64BIT.
1685 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1686 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1687 (sibcall_epilogue): New expander.
1688 (casesi): Tweak for TARGET_64BIT.
1689 (call expanders): Set & use the outgoing argument pointer. Use the
1690 64bit call patterns as needed. Add additional arg to output_call.
1691 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1692 (sibcall, sibcall_internal_symref): New expanders.
1693 (sibcall_value, sibcall_value_internal_symref
1694 (interspace_jump): Turn into an expander + matching patterns.
1695 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1696 * pa/pa64-regs.h: Eliminate trigraph sequences.
1697 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1699 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1701 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1702 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1703 cpp_token with cpp_ttype everywhere.
1704 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1705 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1706 CPP_BUF_COL. Line and column numbers are unsigned int, not
1708 * cpplex.c (cpp_buf_line_and_col): Delete.
1709 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1710 'long lineno' to 'unsigned int lineno'.
1711 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1713 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1715 * extend.texi: ISO C99 is not a draft anymore.
1716 * invoke.texi: ISO C++ is not a draft anymore.
1717 * cpp.texi: __cplusplus is required by the ISO standard.
1719 * extend.texi (-fthis-is-variable): Undocument.
1720 * flags.h (warn_template_debugging): Remove declaration.
1721 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1722 -Wenum-clash, -Wtemplate-debugging): Undocument.
1724 2000-04-10 Nick Clifton <nickc@cygnus.com>
1726 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1728 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1730 (ARM_SIGN_EXTEND): Use HOST_UINT.
1731 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1732 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1733 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1734 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1736 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1737 (arm_gen_constant): Use HOST_UINT.
1738 (arm_canonicalize_constant): Use HOST_UINT.
1739 (arm_reload_in_hi): Use HOST_UINT.
1740 (arm_reload_out_hi): Use HOST_UINT.
1741 (output_multi_immediate): Use HOST_UINT.
1742 (int_log2): Use HOST_UINT.
1743 (arm_poke_function_name): Use HOST_UINT.
1744 (arm_output_epilogue): Use arm_volatile_func().
1745 (output_thumb_prologue): Use arm_strip_name_encoding().
1747 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1749 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1750 of sequence point problems.
1752 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1754 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1756 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1758 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1760 * sbitmap.h: Whitespace changes and use upper-case macro args.
1761 (struct simple_bitmap_def): All sizes now unsigned.
1762 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1763 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1764 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1765 (sbitmap_zero): Cast bzero arg to PTR.
1766 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1767 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1768 loop to make structure clearer.
1769 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1770 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1771 (sbitmap_a_and_b_or_c): Likewise.
1772 (sbitmap_intersection_of_succs): Minor cleanups.
1773 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1774 (sbitmap_union_of_preds): Likewise.
1775 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1776 (debug_sbitmap): New function.
1778 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1779 * c-typeck.c (convert_for_assignment): Likewise.
1781 * expmed.c (init_expmed): Don't free objects we make.
1782 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1784 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1785 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1787 * gcse.c (expr_hash_table_size): Now unsigned.
1788 (compute_ae_gen): Local variable `i' now unsigned.
1789 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1790 (compute_transout, hoist_code): Likewise.
1791 (compute_local_properties): Likewise, also hash_table_size.
1792 (alloc_expr_hash_table): N_INSNS now unsigned.
1793 (delete_null_pointer_checks): Mark arg F as unused.
1795 * regrename.c: Minor cleanups, including chang some variables
1798 2000-04-10 Neil Booth <NeilB@earthling.net>
1800 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1802 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1804 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1806 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1807 __classof__, and __headof__ from the list of gnu keywords.
1808 (-ansi): Remove -foperator-names from list of implied options.
1809 Do not call it ANSI C++.
1810 (-foperator-names): Document as -fno-operator-names.
1812 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1814 * cpphash.c (timestamp): Delete.
1815 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1816 (special_symbol): Remove unnecessary braces. Remove
1817 T_VERSION. Treat T_STDC like T_CONST unless
1818 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1819 when one is encountered, then convert them into T_MCONST
1821 * cppinit.c (builtin_array): version_string is T_MCONST.
1822 __STDC__ has a "1" in its cpval. Don't have a terminator
1823 entry. Clean up which entries are dumped.
1824 (initialize_builtins): Only __STDC__ gets the special
1825 -traditional treatment. Count the length of builtin_array.
1826 Render version_string here.
1827 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1828 * cpplib.h (struct cpp_reader): Remove timebuf.
1830 2000-04-09 Richard Henderson <rth@cygnus.com>
1832 * genrecog.c (pred): Update comparison_operator for the unordered
1835 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1837 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1838 (uno_comparison_operator): New.
1839 (put_condition_code): Handle UNORDERED/ORDERED.
1840 (unsigned_comparison): Likewise.
1841 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1842 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1843 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1844 update all callers. Handle all 8 unordered operators.
1845 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1846 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1847 * config/i386/i386.h (PREDICATE_CODES): Update.
1848 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1849 (ix86_expand_branch, ix86_expand_setcc): Update.
1850 * config/i386/i386.md (sunordered, sordered): New.
1851 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1852 (bunordered, bordered): New.
1853 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1854 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1855 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1857 2000-04-09 Philip Blundell <philb@gnu.org>
1859 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1861 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1863 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1864 fix_truncxfhi2): New patterns.
1865 * i386.c (output_fix_trunc): Handle converting to HImode.
1867 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1869 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1871 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1872 (for_each_successor_phi): Change parameter to basic_block.
1873 (coalesce_regs_in_successor_phi_nodes): Likewise.
1874 (coalesce_regs_in_copies): Likewise.
1875 (compute_coalesced_reg_partition): Use basic_block instead of index.
1876 * rtl.h (convert_to_ssa): Delete.
1877 (convert_from_ssa): Likewise.
1878 (successor_phi_fn): Likewise.
1879 (for_each_successor_phi): Likewise.
1880 (in_ssa_form): Likewise.
1881 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1882 (convert_from_ssa): Likewise.
1883 (successor_phi_fn): Likewise.
1884 (in_ssa_form): Likewise.
1885 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1886 * flow.c (calculate_global_regs_live): Pass a basic_block to
1887 for_each_successor_phi.
1889 2000-04-08 Richard Henderson <rth@cygnus.com>
1891 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1892 was modified in the current insn.
1894 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1896 * arm/thumb.md: Delete.
1897 * arm/thumb-protos.h: Delete.
1899 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1901 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1903 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1905 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1908 * arm.md (nop): Use the standard RTL expression. Don't code as a
1910 (*arm_nop, *thumb_nop): Delete.
1912 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1913 constants. Use casts instead.
1914 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1915 output_multi_immediate, arm_poke_function_name): Likewise.
1916 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1917 MASK_RETURN_ADDDR): Likewise.
1919 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1921 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1924 * arm.md (eh_epilogue): New function.
1925 * arm.h (struct machine_function): Move to here ...
1926 * arm.c: ... from here.
1927 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1928 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1929 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1931 2000-03-30 Nick Clifton <nickc@cygnus.com>
1933 * config/arm/semi.h (ASM_SPEC): Restore definition.
1934 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1936 * config/arm/elf.h (ASM_SPEC): Restore definition.
1937 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1939 * config/arm/arm.h (ASM_SPEC): Remove definition.
1940 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1942 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1944 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1946 2000-03-24 Nick Clifton <nickc@cygnus.com>
1948 Various formating tidyups, elimination of compile time
1949 warnings and synchronisation with internal sources:
1951 * config/arm/arm-protos.h (assemble_align): Add prototype.
1952 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1953 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1954 (arm_return_addr_rtx): Rename to arm_return_addr.
1956 * config/arm/arm.c: Include except.h.
1957 Define shorter typenames for strict minipool_node and struct
1959 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1961 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1962 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1964 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1966 (ASM_SPEC): Define if not already defined.
1967 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1969 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1970 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1971 arm_gen_compare_reg.
1972 (indirect_jump): Only accept register operands.
1973 (load_indirect_jump): Keep this pattern since combine can generate
1976 * config/arm/coff.h: Include aout.h.
1977 (MULTILIB_DEFAULTS): Only define if not already defined.
1979 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1980 into arm.h (so that COFF ports can support thumb based aliases).
1981 (ASM_SPEC): Move definition into arm.h
1983 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1984 redundant apcs spec.
1985 (ASM_SPEC): Move definition to arm.h
1987 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1989 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1990 for entries in the .bss section
1992 2000-03-23 Nick Clifton <nickc@cygnus.com>
1994 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1995 to thumb_far_jump_used_p.
1997 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1998 single integer parameter.
2000 * config/arm/arm.c (struct machine_function): Add two new
2001 fields, 'far_jump_used' and 'arg_pointer_live'.
2002 (thumb_far_jump_used_p): Once the decision has been made that
2003 far jumps might be used, always return true.
2004 If being called from the initial elimination offset macro then
2005 do not bother to perform the test if the arg pointer is not
2007 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2008 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2010 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2012 * arm.c (output_return_instruction): Handle more cases where we can
2013 return from a function with an ldr instruction.
2014 (arm_output_epilogue): Likewise.
2016 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2017 if we need to push a large stack frame and there are no callee-saved
2020 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2021 in ARM code if the frame pointer has been eliminated.
2023 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2024 unspec_volatile arguments to avoid duplicates.
2025 (consttable_1, consttable_2): Fixes for big-endian mode.
2027 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2030 Re-write constant pool code.
2031 * arm.c (minipool_node, minipool_fix): New types.
2032 (minifix): Delete type.
2033 (arm_add_minipool_constant): Delete.
2034 (arm_compute_minipool_offsets, arm_find_barrier,
2035 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2036 (get_jump_table_size): Now returns HOST_WIDE_INT.
2037 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2039 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2040 (assign_minipool_offsets, arm_print_value): Likewise.
2041 (dump_minipool): Rewrite.
2042 (arm_barrier_cost): New function.
2043 (create_fix_barrier): New function.
2044 (push_minipool_barrier): New function.
2045 (push_minipool_fix): Record additional information about the fixup
2047 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2048 check the mode of what needs fixing.
2049 (arm_reorg): Rewrite.
2051 2000-03-08 Nick Clifton <nickc@cygnus.com>
2053 * config/arm/arm.md (indirect_jump): Force constant addresses into
2056 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2058 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2060 2000-02-24 Nick Clifton <nickc@cygnus.com>
2062 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2063 adjust is word aligned.
2064 (thumb_expand_epilogue): Make sure that stack adjust is word
2067 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2069 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2071 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2072 pointer relative addresses.
2074 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2076 * arm.c (find_barrier): Find the last barrier within the allowed
2079 2000-02-09 Nick Clifton <nickc@cygnus.com>
2081 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2083 2000-02-09 Nick Clifton <nickc@cygnus.com>
2085 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2086 ARM_FUNCTION_PROFILER.
2088 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2089 ARM_FUNCTION_PROFILER.
2091 * config/arm/linux-oldld.h: Imported from mainline sources.
2093 2000-02-07 Nick Clifton <nickc@cygnus.com>
2095 * config/arm/lib1funcs.asm: Merge in thumb functions from
2098 * config/arm/lib1thumb.asm: Delete.
2100 2000-02-04 Nick Clifton <nickc@cygnus.com>
2102 * config/arm/arm.c: Sychronised with current Red hat local
2104 * config/arm/arm.h: Ditto.
2105 * config/arm/arm-protos.h: Ditto.
2107 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2109 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2111 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2114 2000-02-02 Nick Clifton <nickc@cygnus.com>
2116 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2118 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2119 (return) was emited using an emit_insn() call.
2121 2000-01-31 Nick Clifton <nickc@cygnus.com>
2123 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2125 (thumb_exit): Move frame pointer back into hard frame pointer
2126 register if backtracing is being used.
2128 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2130 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2133 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2135 * config/arm/arm.md (neg_pool_offset): Provide default for new
2137 (arm_movsi_insn): Add neg_pool_offset attribute.
2138 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2139 rtx for the insn that starts the scan and an unsigned long for its
2140 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2141 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2142 instructions in *PINSERTED.
2143 (struct minipool_fixup): Add MIN_ADDRESS elt.
2144 (sort_fixups): Compute it.
2145 (arm_reorg): Changes to support inserting pools before the insn to be
2148 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2150 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2151 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2152 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2154 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2156 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2158 (TARGET_DEFAULT): Do not define if already defined.
2160 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2162 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2163 (iordi3): Allow disjoint source operands.
2164 (xordi3): Allow disjoint source operands.
2165 (negdi2): Permit construction for ARM and Thumb.
2166 (arm_negdi2): Renamed version of old negdi2 pattern.
2167 (thumb_negdi2): New pattern: Only permit non-overlapping
2168 source and destination.
2170 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2172 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2173 scratch low register so that it will not be deleted.
2175 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2177 * config/arm/pe.h (ARM_PE): Define.
2179 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2180 interfacearm attribute if this is a PE toolchain.
2181 (output_return_instruction): Do not emit anything if the function
2182 has the naked attribute set.
2183 (is_called_in_ARM_mode): If the function has the interfacearm
2184 attribute then return true.
2185 (thumb_expand_prologue): Do not generate a prologue for naked
2187 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2189 (output_thumb_prologue): Do not bother if the function is naked.
2190 Strip PE encoding from function name before emitting.
2192 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2194 * arm.md (pic_load_addr): Fix constraints.
2196 * arm.md (casesi_insn): Fix mis-applied patch.
2198 * arm.md ("core" function unit): Add rules for single- and
2200 (All TARGET_THUMB patterns): Add "type" attribute information
2202 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2203 the following insn is a CALL.
2205 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2207 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2208 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2209 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2211 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2213 * config/arm/linux-gas.h: oops - this file was missed out when the
2214 branch was created...
2216 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2218 * thumb.c: Deleted. Move contents to ...
2220 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2222 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2225 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2226 declare a prototype for asm_output_align();
2228 * arm.c (thumb_condition_code): Delete.
2229 (arm_print_operand): Always use arm_condition_code array.
2231 * arm.c (thumb_return_addr_rtx): Delete.
2232 (arm_save_machine_status, arm_restore_machine_status): Delete.
2233 (arm_init_machine_status, arm_mark_machine_status): New functions.
2234 (arm_init_expanders): Update accordingly.
2235 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2236 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2237 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2239 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2241 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2243 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2246 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2248 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2249 stack backtrace structure.
2251 * config/arm/arm-protos.h: Add prototypes for functions defined in
2254 * config/arm/arm.c (arm_override_options): Fix selection of
2255 attributes of default processor.
2257 * config/arm/coff.h: Delete needless #include.
2259 * config/arm/pe.c: Delete unused code.
2261 * config/arm/pe.h (CPP_DEFINES): Delete
2262 (SUBTARGET_CPP_SPEC): Define.
2263 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2265 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2267 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2269 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2271 (CAN_DEBUG_WITHOUT_FP): Define.
2272 (FIXED_REGISTERS): Make r11 call-saved.
2273 (CALL_USED_REGISTERS): Likewise.
2274 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2275 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2276 frame-pointer is required.
2277 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2278 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2279 if the target normally needs a stack frame in non-leaf functions.
2280 (use_return_insn): Correct logic for determining when a return
2281 instruction can be used.
2282 (output_return_instruction): Handle the frame-pointer register as
2283 a normal register when not TARGET_APCS_FRAME.
2284 (arm_output_prologue): Likewise.
2285 (arm_output_epilogue): Likewise.
2286 (output_func_epilogue): Likewise.
2287 (arm_expand_prologue): Likewise.
2288 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2290 * arm.c (use_return_insn): No need to check floating point regs if
2292 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2293 the code of value stored in the minipool array.
2294 (arm_add_minipool_constant): Likewise.
2296 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2300 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2302 * tree.c (tree_expr_nonnegative_p): New function.
2304 * tree.h (tree_expr_nonnegative_p): Declare.
2306 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2307 elide some sign_compare warnings.
2308 (build_conditional_expr): Likewise.
2310 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2312 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2314 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2315 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2316 operand. Abort if a 387 operand has an unsupported size.
2318 2000-04-08 Neil Booth <NeilB@earthling.net>
2320 * cppexp.c (parse_charconst): Null does not end character
2322 * cppinit.c (ISTABLE): Null character handled as whitespace.
2323 * cpplex.c (null_warning): new function.
2324 (skip_string): Emit warning if nulls encountered.
2325 (_cpp_skip_hspace): Emit warning if nulls encountered.
2326 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2330 2000-04-07 Richard Henderson <rth@cygnus.com>
2332 * flow.c (loop_depth): Remove.
2333 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2334 (struct propagate_block_info): New.
2335 (life_analysis): Don't allocate reg_next_use.
2336 (propagate_block_delete_insn): Break out of propagate_block.
2337 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2338 (propagate_block_delete_libcall): Likewise.
2339 (propagate_block): Create a propagate_block_info struct to pass
2340 to subroutines. Allocate one not two temporary regsets. Don't
2341 clobber memory for const calls. Look for clobbers in
2342 CALL_INSN_FUNCTION_USAGE.
2343 (mark_set_regs): Recognize COND_EXEC.
2344 (mark_set_reg): Break out of mark_set_1.
2345 (mark_used_reg): Break out of mark_used_regs.
2346 (mark_used_regs): Recognize COND_EXEC.
2347 (insn_dead_p): Use propagate_block_info struct.
2348 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2349 (find_auto_inc, try_pre_increment_1): Likewise.
2350 (print_rtl_with_bb): Dump regs live at end too.
2351 (count_reg_sets_1): Pass in loop_depth.
2352 (count_reg_sets, count_reg_references): Likewise.
2353 (recompute_reg_usage): Provide it.
2355 2000-04-07 Richard Henderson <rth@cygnus.com>
2357 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2360 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2362 * cpplib.c (do_elif): Skip the rest of the line if we're
2363 not going to bother evaluating it.
2364 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2365 to avoid pointless calls to the lexer.
2367 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2369 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2371 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2373 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2375 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2377 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2379 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2381 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2382 crtend so they can be multilibbed.
2383 (STAGESTUFF): Remove s-crt and s-crtS.
2385 2000-04-07 Richard Henderson <rth@cygnus.com>
2387 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2388 if we discover we need a pseudo and no_new_pseudos is true.
2389 * config/alpha/alpha.md (ne:DI insn): New.
2390 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2392 2000-04-07 Richard Henderson <rth@cygnus.com>
2394 * rtl.def (COND_EXEC): New.
2395 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2396 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2398 * genconfig.c (have_cond_arith_flag): Remove.
2399 (have_cond_exec_flag): New.
2400 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2401 (main): Print HAVE_conditional_execution.
2403 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2404 (sched_analyze_insn, print_pattern): Likewise.
2405 * reload.c (find_equiv_reg): Likewise.
2406 * rtlanal.c (reg_referenced_p): Likewise.
2407 (note_stores, dead_or_set_regno_p): Likewise.
2408 (reg_overlap_mentioned_p): Rewrite to use a switch.
2410 * ggc.h (struct rtx_def): Forward declare.
2412 * print-rtl.c (debug_rtx_range): New.
2413 * rtl.h (debug_rtx_range): Declare.
2415 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2417 * gcse.c (gcse_main): Don't rebuild the CFG here.
2418 (delete_null_pointer_checks): Likewise.
2419 * ssa.c (convert_to_ssa): Likewise.
2420 * toplev.c (rest_of_compilation): Do it here instead. Combine
2421 sequential calls to TIMEVAR. Consistently use `insns' instead of
2422 `get_insns()'. Always split insns after reload when optimizing.
2424 * basic-block.h (merge_blocks_nomove): Declare.
2425 (tidy_fallthru_edge): Declare.
2426 * flow.c (merge_blocks_nomove): Document as merging into previous
2427 blocks. Remove cruft from between blocks; remove all edges out of A.
2428 (tidy_fallthru_edge): Export.
2430 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2432 * ssa.c (compute_conservative_reg_partition): Declare with
2434 * toplev.c (clean_dump_file): Remove previously-deleted function
2435 inadvertantly merged back in.
2436 * conflict.c (conflict_graph_add): Use a single call to
2437 htab_find_slot to look up and insert.
2439 2000-04-06 Richard Henderson <rth@cygnus.com>
2441 * genrecog.c (*): Rename _last_insn to last_insn.
2442 (make_insn_sequence): Set the position of the peephole2 C test
2443 to be at the last insn.
2445 2000-04-06 Richard Henderson <rth@cygnus.com>
2447 * flow.c (compute_flow_dominators): Free worklist.
2449 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2451 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2453 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2455 * rtl.h (INSN_P): New macro.
2456 (successor_phi_fn): New typedef.
2457 (for_each_successor_phi): New prototype.
2458 (in_ssa_form): New variable.
2459 (PHI_NODE_P): Likewise.
2460 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2461 phi nodes in successors.
2462 (mark_used_regs): Add PHI case.
2463 (set_phi_alternative_reg): New function.
2464 (life_analysis): Assert that dead code elimination is not selected
2466 * toplev.c (to_ssa_time): New variable.
2467 (from_ssa_time): Likewise.
2468 (compile_file): Zero to_ssa_time and from_ssa_time.
2469 Print time to convert to and from SSA.
2470 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2471 (print_time): Compute percent fraction as integer.
2472 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2473 (convert_to_ssa): Check if we're already in SSA.
2474 Don't eliminate dead code in life_analysis.
2475 Rerun flow and life analysis at bottom.
2476 (eliminate_phi): Use canonical regnos when adding nodes.
2477 (mark_reg_in_phi): New function.
2478 (mark_phi_and_copy_regs): Likewise.
2479 (convert_from_ssa): Rerun life analysis at top.
2480 Use coalesced partition.
2481 Check for removing a phi node at the end of the block.
2482 (compute_coalesced_reg_partition): New function.
2483 (coalesce_regs_in_copies): Likewise.
2484 (coalesce_reg_in_phi): Likewise.
2485 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2486 (for_each_successor_phi): Likewise.
2487 (rename_context): New struct.
2488 (rename_block): Use a rename_context with rename_insn_1. When
2489 renaming sets of a subreg, emit a copy of the entire reg first.
2490 (rename_insn_1): Treat data as a rename_context *. Save current
2492 (rename_set_data): Add field set_insn.
2493 * Makefile.in (HASHTAB_H): Move up in file.
2494 (OBSTACK_H): New macro.
2495 (collect2.o): Use OBSTACK_H in dependencies.
2496 (sdbout.o): Likewise.
2497 (emit-rtl.o): Likewise.
2498 (simplify-rtx.o): Likewise.
2499 (fix-header.o): Likewise.
2500 (OBJS): Add conflict.o.
2501 (conflict.o): New rule.
2502 * basic-block.h: Include partition.h.
2503 (conflict_graph): New typedef.
2504 (conflict_graph_enum_fn): Likewise.
2505 (conflict_graph_new): New prototype.
2506 (conflict_graph_delete): Likewise.
2507 (conflict_graph_add): Likewise.
2508 (conflict_graph_conflict_p): Likewise.
2509 (conflict_graph_enum): Likewise.
2510 (conflict_graph_merge_regs): Likewise.
2511 (conflict_graph_print): Likewise.
2512 (conflict_graph_compute): Likewise.
2513 * conflict.c: New file.
2515 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2517 * tlink.c (read_repo_files): Don't look for .rpo info for
2520 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2522 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2524 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2526 * config/sh/lib1funcs.asm (___udivsi3_i4):
2527 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2528 only depends on FMOVD_WORKS.
2530 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2532 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2533 make double constant 8-byte aligned.
2535 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2537 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2538 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2539 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2540 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2541 Accept storing GENERAL_REGS into offsetable memory.
2542 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2543 building a TFmode constant other than 0.0L into GENERAL_REGS.
2545 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2547 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2549 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2551 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2552 (macro_cleanup): No need to cast pbuf->macro.
2553 (collect_expansion): Use _cpp_get_define_token. Goto done if
2554 it returns VSPACE. Remove check for trailing space after
2556 (_cpp_create_definition): Don't diddle flags here. Return
2558 (unsafe_chars): Handle c1 being EOF.
2559 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2560 checks. Don't push the buffer till after we're done with
2562 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2563 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2564 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2566 (_cpp_parse_assertion): Don't NUL terminate.
2567 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2568 hspace before calling _cpp_parse_assertion. Remove all sets
2569 of only_seen_white. Treat '\f' as hspace. Don't do anything
2570 special with '\n' here.
2571 (maybe_macroexpand): Handle T_EMPTY hash entries without
2572 pushing a buffer at all.
2573 (cpp_get_token): Handle clearing only_seen_white here. Handle
2574 incrementing the line number here. Clear
2575 potential_control_macro as well as only_seen_white, if
2577 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2578 (_cpp_get_define_token): New function, basically like
2579 _cpp_get_directive_token was but doesn't eat horizontal space.
2580 Don't do anything with only_seen_white here.
2581 (_cpp_get_directive_token): Just call _cpp_get_define_token
2582 repeatedly till it returns non-hspace.
2584 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2585 (conditional_skip, skip_if_group): Return int.
2586 (DIRECTIVE_TABLE): Change origin of all conditional directives
2588 (TRAD_DIRECT_P): New macro.
2589 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2590 an error for a bogus directive, unless -lang-asm. Use
2591 TRAD_DIRECT_P. Loop calling handler functions till one returns
2593 (get_macro_name): Don't diddle flags here.
2594 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2595 Create T_EMPTY nodes for #define macro /* nothing */.
2596 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2597 Use hp->name when calling pass_thru_directive.
2598 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2599 Return the result of conditional_skip and/or skip_if_group.
2600 Don't call _cpp_output_line_command.
2601 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2602 Issue -Wtraditional warnings as appropriate. Don't complain
2603 about unrecognized directives. If we are to stop skipping,
2604 return the number of the directive that ended the skip.
2605 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2606 expansion and line commands while skipping. Return the result
2607 of consider_directive_while_skipping, if nonzero.
2608 (do_endif): Just set potential_control_macro here.
2609 (validate_else): Use _cpp_get_directive_token.
2610 (do_assert, do_unassert): Don't save pointers into the
2611 token_buffer across calls to the lexer. Use
2612 _cpp_get_directive_token.
2614 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2615 pointer, not an offset. Replace 'data', which was a generic
2616 pointer, with 'macro', which points to a struct hashnode.
2617 (cpp_reader): Add 'potential_control_macro' pointer.
2618 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2619 (CPP_BUF_GET, CPP_FORWARD): Delete.
2620 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2621 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2622 ACTIVE_MARK_P): Update.
2623 (_cpp_get_define_token): New internal function.
2624 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2626 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2628 * configure.in: And here.
2629 * configure: Regenerate.
2630 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2631 --enable-libstdcxx-v3 is passed at configure time.
2632 * config.h.in: Regenerate.
2634 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2636 * final.c (final): Use xcalloc to allocate line_note_exists.
2637 * function.c (free_after_compilation): Free the temp_slots.
2638 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2639 (combine_temp_slot): Free temp_slots when they get combined.
2640 (purge_addressof): Fix typo in comment.
2641 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2642 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2644 * ggc.h: Include varray.h.
2645 (ggc_pending_trees): Declare.
2646 (ggc_mark_tree_children): Remove declaration.
2647 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2648 * ggc-common.c (ggc_pending_trees): New variable.
2649 (ggc_mark_roots): Call ggc_mark_trees.
2650 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2651 the ggc_pending_trees.
2652 * Makefile.in (GGC_H): New variable. Use it throughout in place
2655 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2657 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2660 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2662 * sh.c (sh_insn_length_adjustment): New function.
2663 * sh-protos.h (sh_insn_length_adjustment): Declare.
2664 * sh.h (ADJUST_INSN_LENGTH): Use it.
2666 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2668 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2669 from the insn where REG_RETVAL is added.
2670 (emit_no_conflict_block): Ditto.
2672 * md.texi (Standard Names): Clarify when movX is needed.
2674 * combine.c (simplify_comparison) [MINUS]: Do not replace
2675 all (op (minus A B) 0) with (op A B).
2677 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2678 J"orn Rennecke <amylaar@cygnus.co.uk>
2680 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2681 (block_lump_real): Likewise.
2683 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2685 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2686 remaining non-zero debugging masks.
2688 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2690 * basic-block.h (verify_flow_info): Declare.
2691 (flow_loop_outside_edge_p): Declare.
2692 * flow.c (verify_flow_info): Remove declaration.
2693 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2695 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2697 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2700 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2702 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2703 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2704 seqdi_zero_trunc+1): Allow splits only if registers are
2707 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2709 * acconfig.h: Add HAVE_GAS_HIDDEN.
2710 * config.in: Regenerated.
2711 * configure.in: Add test for .hidden pseudo-op in gas.
2712 * configure: Regenerated.
2713 * crtstuff.c: Include auto-host.h.
2714 Emit additional .hidden pseudo-op for __dso_handle if the
2715 assembler knows about it.
2717 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2719 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2720 before freeing argnames.
2721 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2723 2000-04-05 Michael Meissner <meissner@redhat.com>
2725 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2726 Walton <jonboy@gordian.com> to make memory references with update
2727 work wtih -mregnames.
2729 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2731 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2732 (regrename_optimize): Rename variables `def_uses' and
2733 `ext_basic_blocks' to avoid conflicts with similarly named
2734 typedefs in traditional C.
2736 * calls.c (initialize_argument_information): Fix typo in previous
2739 2000-04-04 Richard Henderson <rth@cygnus.com>
2741 * regrename.c (consider_available): Test fixed_regs not
2742 PIC_OFFSET_TABLE_REGNUM.
2744 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2746 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2748 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2749 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2750 (ENDFILE_LINUX_SPEC): Always use crtend.
2751 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2752 (powerpc-*-linux-gnu): Likewise.
2753 * configure: Regenerate.
2755 * config/rs6000/eabi.h: Don't include sysv4.h.
2756 (MULTILIB_DEFAULTS): Don't define.
2757 * config/rs6000/eabiaix.h: Don't include eabi.h.
2758 * config/rs6000/eabile.h: Delete.
2759 * config/rs6000/eabilesim.h: Delete.
2760 * config/rs6000/eabisim.h: Don't include eabi.h.
2761 * config/rs6000/linux.h: Don't include sysv4.h.
2762 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2763 (MULTILIB_DEFAULTS): Don't redefine.
2764 * config/rs6000/rtems.h: Don't include eabi.h.
2765 * config/rs6000/sol2.h: Don't include sysv4le.h.
2766 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2767 * config/rs6000/t-ppc: Delete.
2768 * config/rs6000/t-ppcgas: Correct comment.
2769 * config/rs6000/t-ppcos: Correct comment. Don't build
2770 multilibs for -fPIC, rather use -fPIC -mstrict-align
2772 * config/rs6000/t-ppc: Delete.
2773 * config/rs6000/vxppc.h: Don't include sysv4.h.
2774 * config/rs6000/vxppcle.h: Delete.
2775 * configure.in: Use multiple header files for p2pc ELF targets
2776 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2777 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2778 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2779 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2780 always available for these platforms.
2782 2000-04-04 Richard Henderson <rth@cygnus.com>
2784 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2786 2000-04-04 Stan Cox <scox@cygnus.com>
2788 * Makefile.in: Add rules for regrename.o
2789 * regrename.c: New file.
2790 * rtl.h (regrename_optimize): Add prototype.
2791 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2792 (compile_file, decode_d_option): Add support for -frename-registers.
2793 (rest_of_compilation): Call regrename_optimize.
2794 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2797 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2799 * Makefile (gccbug): New target.
2800 (doc): Depend on it.
2801 * gcc.texi (Bugs): Link subnodes.
2803 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2804 Document severities, priorities, and classes in bug form.
2806 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2808 * cpplex.c (trigraph_map, speccase): Combine into single
2810 (NORMAL, NONTRI): New macros.
2811 (_cpp_read_and_prescan): Change to use unified table. Use
2812 is_hspace to test for whitespace.
2814 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2815 definition that doesn't provoke the "empty body in an
2816 if-statement" warning.
2818 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2820 * builtins.c (expand_builtin_strlen): Force the source to
2821 be a memory address.
2823 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2825 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2827 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2829 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2830 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2831 (ECF_IS_CONST): Rename to ECF_CONST.
2832 (special_function_p): Make static, change interface.
2833 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2834 (expand_call) ... here; convert number of variables to flags.
2835 (emit_library_call_vlue_1): Likewise.
2836 (setjmp_call_p): New function.
2837 (initialize_argument_information): Accepts flags as argument;
2839 (precompute_arguments): Likewise.
2840 * tree.h (special_function_p): Remove.
2841 (setjmp_call_p): Add prototype.
2843 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2845 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2846 so that addresses are offsetable by up to 16 bytes.
2847 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2848 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2851 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2852 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2853 (movsf): Don't force any constant to memory if target is integer
2855 Move fp_zero_operand check below the const0_rtx check.
2856 (movtf): Likewise. Also allow fp_zero_operand for stores into
2858 (movdf): Likewise. Also allow fp_zero_operand for stores into
2859 memory and into integer hard registers.
2860 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2861 movdf_const_intreg_sp64): Remove.
2862 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2864 (movdf_no_e_insn_v9_sp32): New pattern.
2865 (movdf_insn_v9only): Remove.
2866 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2867 (movdf_insn_sp64): Remove.
2868 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2869 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2870 (following splits): Rewrite conditions. Add two new splits
2871 for storing 0.0 into memory and registers.
2872 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2873 (movtf_insn_sp32): Redo constraints and conditions.
2874 (movtf_insn_vis_sp32): New pattern.
2875 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2876 (movtf_insn_hq_sp64): Likewise.
2877 (movtf_insn_hq_vis_sp64): New pattern.
2878 (movtf_insn_sp64): Redo constraints and conditions.
2879 (movtf_insn_vis_sp64): New pattern.
2880 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2881 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2883 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2884 -mvis or -m64 to take down the number of various reload patterns.
2886 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2888 * pa/pa-64.h: New file.
2889 * pa/pa64-regs.h: New file.
2890 * pa/pa64-start.h: New file.
2891 * pa/t-pa64: New file.
2892 * pa/xm-pa64hpux.h: New file.
2894 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * sparc.c (output_restore_regs): Prototype.
2897 (sparc_emit_float_lib_cmp): Constification.
2899 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2901 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2904 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2905 (get_value_hash, hash_rtx): Likewise.
2907 * ssa.c (compute_conservative_reg_partition): Prototype.
2909 * tree.c (mark_hash_entry): Prototype.
2911 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2913 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2914 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2915 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2917 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2918 * objc/lang-specs.h: Likewise.
2920 2000-04-03 Neil Booth <NeilB@earthling.net>
2922 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2923 and SYNTAX_ERROR2. Replace `' in messages with ''.
2924 (op_to_str): Make re-entrant.
2925 (_cpp_parse_expr): Implement new error macros. Use | rather
2926 than || to logically or 2 boolean integers. Simply expression
2927 checking we have a left operand iff needed.
2929 2000-04-03 Nick Clifton <nickc@cygnus.com>
2931 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2933 2000-04-03 Philip Blundell <philb@gnu.org>
2935 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2937 2000-04-03 Felix Lee <flee@cygnus.com>
2939 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2940 (run_shell): Use it.
2942 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2944 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2945 (stmp-fixproto): ...rather than here.
2947 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2949 * pa.c (print_operand): Compute 'base' only inside the code paths
2952 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2954 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2957 2000-04-03 Philipp Thomas <pthomas@suse.de>
2959 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2961 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2963 * Makefile.in (alias.o): Depend on $(TREE_H).
2965 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2967 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2969 * cpplib.c (_cpp_handle_directive): Improve warnings for
2970 traditional C and indented directives.
2972 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2973 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2974 fixinc/inclhack.def: Indent the # of #include_next one space.
2975 * cp/rtti.c: Un-indent #if and #endif.
2977 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2978 syntax error, but an error has already been printed.
2979 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2980 message when called with nothing remaining on the line.
2981 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2982 OTHER token, not an ASSERTION.
2983 * cpplib.c (do_assert): When we create a 'base' node, clear
2984 its aschain pointer.
2986 2000-04-02 Neil Booth <NeilB@earthling.net>
2988 * cppexp.c: New typedef op_t. struct operation and struct
2989 token updated to use it.
2990 (op_to_str): New function.
2991 (_cpp_parse_expr): Error messages modified to use op_to_str.
2993 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2995 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2996 before checking MUST_PASS_IN_STACK.
2998 2000-04-02 Neil Booth <NeilB@earthling.net>
3000 * cppexp.c: New FINISHED dummy token. Combine operator initial
3001 flags and initial priority into a single constant. New
3002 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3003 (_parse_cpp_expr): Implement new constants. Take left operand
3004 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3005 parse indicated by reducing FINISHED token. Remove new lines
3006 from cpp_error messages.
3008 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3010 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3013 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3015 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3016 directive. Add origin values to DIRECTIVE_TABLE. Generate
3017 the strings and function names on the fly. Take the #sccs
3018 entry out of the table if SCCS_DIRECTIVE is not defined.
3019 (_cpp_handle_directive): Decide if the # was at the beginning
3020 of the line here. Issue -pedantic warnings for extended
3021 directives here. Warn about K+R directives with the #
3022 indented, and C89/extended directives with the # not indented,
3024 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3025 do_assert, do_unassert): Don't issue pedantic warning here.
3027 * cpphash.h: Add CPP_WTRADITIONAL macro.
3028 * cpplib.h (struct cpp_options): Rename warn_stringify to
3029 warn_traditional; update comments.
3030 * cppinit.c (handle_option): Set warn_traditional not
3032 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3033 CPP_WTRADITIONAL (pfile).
3034 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3035 be ignored in -traditional mode here.
3037 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3038 to initialize speccase[] and trigraph_map[]. Delete all
3039 references to pfile->input_speccase. Always treat '?' as a
3040 special character. Remove table-initialization code from
3041 _cpp_init_input_buffer.
3043 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3044 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3046 2000-04-01 Richard Henderson <rth@cygnus.com>
3048 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3049 (mostlyclean): Likewise.
3051 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3052 (struct dump_file_info, enum dump_file_index, dump_file): New.
3053 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3054 not a string. Clean out file if we havn't yet done so. Do nothing
3055 if the dump isn't enabled.
3056 (close_dump_file): Do nothing if the dump isn't open. Dump
3057 graph data if requested.
3058 (dump_rtl, clean_dump_file): Remove.
3059 (compile_file): Don't clean the dump files. Only finalize .bp dump
3060 if flag_test_coverage or flag_branch_probabilities. Only finalize
3061 .combine dump if optimizing. Iterate over dump_file to finalize the
3063 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3064 Convert all uses of dump_rtl.
3065 (decode_d_option): Iterate over dump_file to implement 'a' and to
3066 locate pass-specific dumps.
3068 2000-04-01 Neil Booth <NeilB@earthling.net>
3070 * cppexp.c: Redefine priority constants.
3071 (_cpp_parse_expr): Replace left and right priority scheme with
3072 single priority logic. Move LOGICAL to same place as COMPARE.
3073 Remove bogus check for multiple unary +/- operators.
3075 2000-04-01 Neil Booth <NeilB@earthling.net>
3077 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3078 within the switch statement. Binary operations break out of
3079 the switch naturally. '(' tokens handled by forcing
3080 immediate shift. ')' handled by forcing immediate reduce to
3081 the previous '('. New error messages.
3083 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3085 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3086 part', it's already in use. Use %K instead. Add a return at the
3087 end of what is now %K.
3088 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3090 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3092 * builtins.c (expand_builtin_apply): Pass proper parameters to
3093 allocate_dynamic_stack_space.
3094 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3095 update stack_pointer_delta; do not update arg_size_so_far.
3096 (compute_argument_block_size): Use stack_delta instead of
3097 stack_pointer_pending and arg_size_so_far.
3098 (expand_call): Add sanity checking for stack_pointer_delta;
3099 save and restore stack_pointer_delta for SIB, use
3100 stack_pointer_delta for alignment; do not update arg_space_so_far.
3101 (emit_library_call_value): Use stack_pointer_delta for alignment.
3102 (store_one_arg): Do not update arg_space_so_far.
3103 * explow.c (adjust_stack, anti_adjust_stack): Update
3104 stack_pointer_delta.
3105 (allocate_dynamic_stack_space): Add sanity checking for
3106 stack_pointer_delta.
3107 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3108 stack_pointer_delta.
3109 (emit_push_insn): Update stack_pointer_delta.
3110 * function.h (struct expr_status): Add x_stack_pointer_delta;
3111 remove x_arg_space_so_far.
3112 (arg_space_so_far): Remove.
3113 (stack_pointer_delta): New macro.
3115 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3117 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3118 Reorder struct cpp_options and struct cpp_reader for better
3119 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3120 takes two args. Change all 'char' flags to 'unsigned char'.
3121 Move show_column flag into struct cpp_options. Don't
3122 prototype cpp_options_init.
3123 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3124 cppinit.c, cpplex.c, cpplib.c:
3125 Replace CPP_OPTIONS (pfile)->whatever with
3126 CPP_OPTION (pfile, whatever), and likewise for
3127 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3129 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3130 Extract CPP_OPTION (pfile, pending) and work with that
3132 (cpp_options_init): Delete.
3133 (cpp_reader_init): Turn on on-by-default options here.
3134 Allocate the pending structure here.
3135 (cl_options, enum opt_code): Define these from the same table,
3136 kept in a large macro. Add -fshow-column and -fno-show-column
3139 * cpperror.c (v_message): If show_column is off, don't print
3142 * cppmain.c: Update for new interface.
3143 * fix-header.c: Likewise.
3145 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3147 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3149 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3150 are passed to any invocation of AR_FOR_TARGET.
3151 (AR_CREATE_FOR_TARGET): New macro.
3152 (AR_EXTRACT_FOR_TARGET): New macro.
3153 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3154 AR_EXTRACT_FOR_TARGET.
3155 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3156 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3157 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3158 AR_EXTRACT_FOR_TARGET to sub-makes.
3160 2000-03-31 Neil Booth <NeilB@earthling.net>
3162 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3164 (_cpp_parse_expr): Check for multiple unary +/- operators.
3165 Correct priorities of ':' and '?'. Treat ')' as having a
3166 value. Ensure conditional expression is not void.
3168 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3170 * alias.c (canon_rtx): Make it global.
3171 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3173 * cse.c (struct table_elt): Add canon_exp.
3175 (invalidate): Canonicalize expressions only once.
3176 * rtl.h (canon_rtx): Declare.
3178 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3180 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3181 * alias.c (reg_known_value): Add comments.
3182 (init_alias_analysis): Likewise.
3183 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3185 (cse_basic_block): Fix typo in comment.
3186 * emit-rtl.c: Include hashtab.h.
3187 (const_int_htab): New variable.
3188 (const_int_htab_hash): New function.
3189 (const_int_htab_eq): Likewise.
3190 (rtx_htab_mark_1): Likewise.
3191 (rtx_htab_mark): Likewise.
3192 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3193 (unshare_all_rtx): Fix formatting.
3194 (init_emit_once): Initialize const_int_htab.
3195 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3197 * rtl.texi: Document the fact that all CONST_INTs with the same
3200 2000-03-30 Richard Henderson <rth@cygnus.com>
3202 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3204 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3206 * configure.in: Comment out --enable-c-cpplib stanza.
3207 * configure: Regenerate.
3209 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3211 * expr.c (store_constructor): Properly compute displacement and
3212 alignment when offset is variable.
3214 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3215 cases of alignment in bytes.
3217 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3219 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3220 since it is used to generate c-parse.y.
3221 * objc-parse.c, objc-parse.y: Regenerated.
3223 * function.c (expand_function_end): Pass alignment argument to
3224 emit_block_move in bits, not bytes.
3226 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3228 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3231 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3233 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3234 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3235 * function.c (assign_parms): Likewise.
3236 * integrate.c (expand_inline_function): Likewise.
3237 * stmt.c (expand_decl): Likewise.
3238 (copy_rtx_and_substitute): Likewise.
3239 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3240 (clear_by_pieces): Fix error in last change.
3241 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3242 * function.h (regno_pointer_align): Now unsigned.
3243 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3245 * config/i386/i386.c (aligned_operand): Likewise.
3246 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3247 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3248 (unaligned_memory_operand): Likewise.
3249 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3250 Also make alignments and sizes unsigned and some whitespace cleanup.
3251 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3253 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3254 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3255 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3256 (expand_builtin_memset): Likewise, but to clear_storage.
3257 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3258 (restore_fixed_argument_area): Likewise.
3259 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3260 (load_register_parameters): Likewise, to emit_group_load.
3261 (expand_call): Likewise, to emit_group_store and emit_block_move.
3262 (emit_library_call_value_1): Likewise, to emit_block_move.
3263 (store_one_arg): Likewise, and to emit_push_insn.
3264 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3265 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3266 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3267 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3268 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3269 (expand_assigment, store_expr, store_constructor_field): Likewise.
3270 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3271 (store_constructor, store_field, get_inner_reference): Likewise.
3272 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3273 (expand_expr, case COMPONENT_REF): Likewise.
3274 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3275 and positions; reindent code.
3276 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3277 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3278 (assign_parms): Likewise to emit_group_store.
3279 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3280 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3281 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3282 (expand_return): Likewise to {extract,store}_bit_field.
3283 * stor-layout.c (get_mode_alignment): Minor cleanup.
3284 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3285 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3287 2000-03-29 Nick Clifton <nickc@cygnus.com>
3289 * config/arm/arm.h: Undo effects of previous delta:
3290 (ASM_SPEC): Do not define.
3291 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3293 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3296 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3298 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3299 only after reading in the primary source file.
3301 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3303 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3304 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3305 or a reference to a va_list.
3306 * builtins.c (stabilize_va_list): Simplify now we don't have to
3307 work around C array address decay.
3308 * c-typeck.c (convert_for_assignment): Handle assignment to
3309 a reference parameter by taking the address of the RHS.
3310 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3311 (va_copy): Likewise.
3312 (__va_copy): Likewise.
3313 * ginclude/varargs.h (va_start): Likewise.
3314 (__va_copy): Likewise.
3316 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3318 * i386/djgpp.h: Remove extraneous "+".
3320 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3322 * calls.c (expand_call): Fix typo in last change.
3324 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3326 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3329 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3331 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3332 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3333 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3334 * tree.c (bit_position, byte_position): Likewise.
3335 * tree.h: Declare new functions.
3337 2000-03-29 Nick Clifton <nickc@cygnus.com>
3339 * config/arm/arm.c: Minor formatting changes/
3340 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3342 (ASM_SPEC): Define if not already defined.
3344 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3346 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3349 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3351 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3352 value, don't output it as unsigned.
3354 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3356 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3358 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * c-common.c (c_common_nodes_and_builtins): Don't special case
3361 cplus_mode when declaring builtin bzero/bcmp, always avoid
3362 prototype arguments.
3364 2000-03-29 Bruce Korb <bkorb@gnu.org>
3366 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3369 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3371 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3372 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3373 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3374 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3375 (save_fixed_argument_area, restore_fixed_argument_area):
3376 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3377 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3378 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3379 (precompute_register_parameters): Avoid #ifdefs on
3380 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3381 (stire_one_args): Likewise.
3382 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3383 (emit_library_call_value_1): Likewise.
3384 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3385 ACCUMULATE_OUTGOING_ARGS.
3386 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3388 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3389 (use_crosses_set_p): Likewise.
3390 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3391 #define ACCUMULATE_OUTGOING_ARGS 1.
3392 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3394 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3396 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3397 (TARGET_SWITCHES): Add push-args, no-push-args,
3398 accumulate-outgoing-args and no-accumulate-outgoing-args.
3399 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3400 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3401 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3403 (emit_push_insn): Likewise.
3404 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3405 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3406 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3407 (STACK_DYNAMIC_OFFSET): Define correctly for both
3408 ACCUMULATE_OUTGOING_ARGS and normal mode.
3409 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3410 * tm.texi (PUSH_ARGS): Document.
3411 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3413 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3415 * flags.h (flag_optimize_sibling_calls): Declare.
3416 * calls.c (expand_call): Fail sibcall when
3417 !flag_optimize_sibling_calls
3418 * invoke.texi (flag_optimize_sibling_calls): Document.
3419 * toplev.c (flag_optimize_sibling_calls): New global variable.
3420 (f_options): Add flag_optimize_sibling_calls.
3421 (rest_of_compilation): Conditionize
3422 optimize_sibling_and_tail_recursive_calls by
3423 flag_optimize_sibling_calls.
3424 (main): Set flag_optimize_sibling_calls for -O2.
3425 * stmt.c (expand_return): Conditionize tail recursion by
3426 flag_optimize_sibling_calls.
3428 2000-03-29 Richard Henderson <rth@cygnus.com>
3430 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3431 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3433 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3435 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3437 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3439 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3441 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3442 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3443 * config/rs6000/aix.h: then modified likewise.
3445 2000-03-28 Richard Henderson <rth@cygnus.com>
3447 * rtl.h: Redistribute enum reg_note documentation.
3448 Kill trailing whitespace.
3449 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3450 Kill trailing whitespace.
3452 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3454 * cppfiles.c (hash_IHASH): Just return i->hash.
3455 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3456 htab_find_with_hash.
3457 (cpp_read_file): Likewise.
3458 (find_include_file): Likewise. Properly initialize
3459 ih->nshort. Share ih->name and ih->nshort if possible.
3460 * cpphash.c (_cpp_calc_hash): New function.
3461 (hash_HASHNODE): Just return h->hash.
3462 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3463 htab_find_with_hash.
3464 * cpphash.h: Prototype _cpp_calc_hash.
3465 * cppinit.c (initialize_builtins): Provide a valid hash
3466 to _cpp_make_hashnode, using _cpp_calc_hash.
3468 * cpphash.c (collect_expansion): # is not a special character
3469 in object-like macros. In -traditional mode, /**/ is not
3470 token paste at the beginning or end of the line.
3471 * cpplib.c (do_include, do_import, do_include_next): If
3472 parse_include fails, return immediately.
3474 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3476 * config/arm/arm.md (return peepholes): Update to reflect the new
3478 * config/arm/arm.c (arm_volatile_func): Also check
3479 current_function_nothrow.
3480 (output_return_instruction, output_func_prologue): Use it.
3481 (arm_output_epilogue, arm_expand_prologue): Likewise.
3483 2000-03-27 Tom Tromey <tromey@cygnus.com>
3485 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3488 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3490 * expr.c (store_constructor): SIZE now signed.
3491 For EXPR_SIZE, don't evaluate size; just needed if constant.
3492 * fold-const.c (fold): Fix a number of cases when folded tree is
3494 * function.c (flush_addressof): Reenable.
3495 * tree.h (flush_addressof): Likewise.
3496 * toplev.c (independent_decode_option): Look at strings_processed.
3497 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3499 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3501 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3502 Allow stack adjustment after function call.
3504 * regmove.c (struct csa_memlist): Make mem field rtx *.
3505 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3506 (try_apply_stack_adjustment): Replace whole MEM rtx.
3507 (combine_stack_adjustments_for_block): Update calls
3508 to record_one_stack_ref.
3510 2000-03-28 Neil Booth <NeilB@earthling.net>
3512 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3513 '\\' rather than a null character, so nulls are not special. Fix
3514 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3515 speed trigraph conversion.
3516 (_cpp_init_input_buffer): Initialize trigraph map.
3518 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3520 * config/i386/i386.c (output_387_binary_op): Correct intel
3521 mode assembly output, and add spaces after commas in AT&T
3522 output. Correct Unixware assembler comment. Document input
3523 constraints. Comment fp operations. Reduce profligate buffer
3524 size. Remove extraneous abort. Localize temp var.
3525 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3526 (output_fix_trunc): Add spaces after commas in assembly output.
3528 2000-03-27 Richard Henderson <rth@cygnus.com>
3530 * i386-protos.h (ix86_match_ccmode): Declare.
3531 * i386.c (ix86_match_ccmode): New.
3532 (ix86_expand_fp_compare): Update for pattern renames.
3533 (ix86_expand_strlensi_unroll_1): Likewise.
3534 * i386.h (EXTRA_CC_MODES): Add CCZ.
3535 (SELECT_CC_MODE): Use it for EQ/NE zero.
3536 * i386.md (cmpsi_ccz_1): New.
3538 (*testsi_ccz_1): New.
3539 (testqi_ccz_1): New.
3540 (cmpsi_ccno_1): Rename from cmpsi_0.
3541 (testsi_ccno_1): Rename from testsi_1.
3542 (testqi_ccno_1): Rename from testqi_1.
3543 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3544 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3545 (*cmphi_0): Use ix86_match_ccmode.
3546 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3547 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3548 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3549 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3550 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3551 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3552 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3553 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3554 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3555 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3556 (appropriate peepholes): Likewise.
3557 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3558 (*subsi_3, *subhi_3, *subqi_3): Remove.
3559 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3560 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3561 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3562 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3563 (x86_shift_adj_1): Use CCZ.
3564 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3566 2000-03-27 Stan Cox <scox@cygnus.com>
3568 * resource.h (mark_resource_type): New.
3569 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3570 find_free_register): Use mark_resource_type.
3571 (mark_set_resources): Change include_delayed_effects
3572 to mark_resource_type.
3573 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3574 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3575 Use mark_resource_type.
3577 2000-03-27 Richard Henderson <rth@cygnus.com>
3579 * i386.md (call_pop_0, call_value_pop_0): New.
3580 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3581 (call_value_pop_1): Likewise.
3582 (call_0, call_value_0): New.
3583 (call_1, call_value_1): Remove constraint from unused arg.
3585 2000-03-27 Nick Clifton <nickc@cygnus.com>
3587 * invoke.texi (Spec Files): Document new spec % command created by
3588 Tom Tromey's recent patch.
3590 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3592 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3595 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 * expr.c (expand_assignment): Fix typo in last change.
3599 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3601 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3603 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3604 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3605 and DECL_INLINE if FUNCTION_DECL.
3606 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3607 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3608 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3609 (combine_parm_decls): Likewise.
3610 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3611 * print-tree.c (print_node): Likewise.
3612 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3613 DECL_TRANSPARENT_UNION on proper decl types.
3614 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3615 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3616 DECL_BIT_FIELD of FIELD_DECL.
3617 * tree.h (DECL_RESULT_FLD): New macro.
3619 * expr.c (expand_assignment): Add code to handle variable-sized
3622 2000-03-26 Richard Henderson <rth@cygnus.com>
3624 * calls.c (expand_call): Pass parms not original exp to
3625 optimize_tail_recursion. Mind return value instead of looking
3627 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3628 call_expr. Move checks for call_expr and current_function_decl ...
3629 (expand_return): ... here.
3631 2000-03-26 Tom Tromey <tromey@cygnus.com>
3633 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3634 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3636 (process_command): Use them.
3637 (check_live_switch): Likewise.
3638 (give_switch): Skip ignored switches.
3640 2000-03-26 Jan Hubicka <jh@suse.cz>
3642 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3643 for minimal jump pass test.
3645 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3647 * integrate.c (function_cannot_inline_p): Do inline functions that
3650 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3652 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3653 now a list of TREE_LIST entries, not types.
3654 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3656 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3657 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3659 * config/mips/mips.c (function_arg): Likewise; also remove cast
3660 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3661 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3662 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3663 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3664 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3665 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3666 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3667 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3668 num_adjusts now unsigned.
3669 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3670 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3672 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3673 as is BITPOS variable; use host_integerp and int_bit_position.
3674 (function_arg_record_value_2): Likewise.
3675 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3676 Variable REGNO now unsigned.
3677 (function_arg_record_value): NREGS now unsigned.
3679 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3681 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3683 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * Rework fields used to describe positions of bitfields and
3686 modify sizes to be unsigned and use HOST_WIDE_INT.
3687 * alias.c (reg_known_value_size): Now unsigned.
3688 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3689 (really_start_incremental_init): Use bitsize_zero_node.
3690 (push_init_level, pop_init_level, output_init_element): Likewise.
3691 Use bitsize_unit_node and bitsize_one_node.
3692 (output_pending_init_elements, process_init_element): Likewise.
3693 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3694 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3695 HOST_WIDE_INT, respectively.
3696 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3697 (num_sign_bit_copies): Returns unsigned.
3698 BITWIDTH now unsigned; rework arithmetic.
3699 Remove recursive call from arg to MAX.
3700 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3701 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3703 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3704 (find_split_point, expand_compound_operation, make_extraction): LEN
3705 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3706 (make_field_assignment): Likewise.
3707 (combine_simplify_rtx): Add cast.
3708 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3709 (force_to_mode): WIDTH now unsigned; add cast.
3710 (if_then_else_cond): SIZE now unsigned.
3711 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3712 (extended_count): Now returns unsigned.
3713 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3714 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3715 (simplify_comparison): MODE_WIDTH now unsigned.
3716 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3717 (mark_used_regs_combine): Likewise; rework arithmetic.
3718 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3719 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3720 (record_promoted_value): REGNO now unsigned.
3721 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3722 (get_last_value): REGNO now unsigned.
3723 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3724 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3725 (remove_death): Arg REGNO now unsigned.
3726 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3727 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3729 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3730 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3731 (struct cse_reg_info): REGNO now unsigned.
3732 (cached_regno): Now unsigned.
3733 (REGNO_QTY_VALID_P): Add cast.
3734 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3735 (remove_invalid_regs): Likewise.
3736 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3737 as are variables END and I.
3738 (get_cse_reg_info, insert): Likewise.
3739 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3740 (canon_hash): Likewise.
3741 (insert_regs, lookup_for_remove): REGNO now unsigned.
3742 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3744 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3745 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3746 * emit-rtl.c (subreg_realpart_p): Add cast.
3747 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3748 (operand_subword_force): Arg I is now unsigned.
3749 * except.c (eh_regs): Variable I is now unsigned.
3750 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3751 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3752 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3753 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3754 (extract_split_bit_field, store_bit_field, extract_bit_field):
3756 * expr.c (store_constructor_fields, store_constructor, store_field):
3757 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3758 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3759 (do_jump): Likewise.
3760 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3761 MAX_SIZE is now unsigned.
3762 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3763 (emit_group_store): Likewise.
3764 (emit_move_insn): I now unsigned.
3765 (store_constructor): Use host_integerp, tree_low_cst, and
3767 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3768 Rework all calculations to use trees and new fields.
3769 * expr.h (promoted_input_arg): Regno now unsigned.
3770 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3771 (mark_seen_cases): Arg is HOST_WIDE_INT.
3772 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3773 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3774 precisions and alignments are unsigned.
3775 (optimize_bit_field_compare, fold_truthop): Likewise.
3776 (int_const_binop): Adjust threshold for size_int_type_wide call.
3777 (fold_convert): Likewise.
3778 (size_int_type_wide): Make table larger and fix thinko that only
3779 had half of table used.
3780 (all_ones_mask_p, fold): Precisions are unsigned.
3781 * function.c (put_reg_info_stack): REGNO is unsigned.
3782 (instantiate_decl): Size is HOST_WIDE_INT.
3783 (instantiate_virtual_regs): I is unsigned.
3784 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3785 (promoted_input_arg): REGNO is unsigned.
3786 * function.h (struct function): x_max_parm_reg is now unsigned.
3787 * gcse.c (max_gcse_regno): Now unsigned.
3788 (struct null_pointer_info): min_reg and max_reg now unsigned.
3789 (lookup_set, next_set): REGNO arg now unsigned.
3790 (compute_hash_table): REGNO and I now unsigned.
3791 (handle_avail_expr): regnum_for_replacing now unsigned.
3792 (cprop_insn): REGNO now unsigned.
3793 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3794 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3795 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3796 * hard-reg-set.h (reg_class_size): Now unsigned.
3797 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3798 * jump.c (mark_modified_reg): I now unsigned; add cast.
3799 (rtx_equal_for_thread_p): Add cast.
3800 * loop.c (max_reg_before_loop): Now unsigned.
3801 (struct_movable): REGNO now unsigned.
3802 (try_copy_prop): REGNO arg unsigned.
3803 (regs_match_p): XN and YN now unsigned.
3804 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3805 (strength_reduce): Likewise; NREGS also unsigned.
3806 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3807 * loop.h (struct iv_class): REGNO now unsigned.
3808 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3810 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3811 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3812 * optabs.c (expand_binop): I and NWORDS now unsigned.
3813 (expand_unop): I now unsigned.
3814 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3815 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3816 * real.c (significand_size): Now returns unsigned.
3817 * real.h (significand_size): Likewise.
3818 * regclass.c (reg_class_size): Now unsigned.
3819 (choose_hard_reg_mode): Both operands now unsigned.
3820 (record_reg_classes): REGNO and NR now unsigned.
3821 (reg_scan): NREGS now unsigned.
3822 (reg_scan_update): old_max_regno now unsigned.
3823 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3824 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3825 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3826 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3827 Likewise for variable R.
3828 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3829 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3830 (find_equiv_reg): Add casts.
3831 (regno_clobbered_p): Arg REGNO now unsigned.
3832 * reload.h (struct reload): NREGS now unsigned.
3833 (refers_to_regno_for_reload_p): Regno args are unsigned.
3834 (regno_clobbered_p): Likewise.
3835 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3836 (compute_use_by_pseudos): REGNO now unsigned.
3837 (find_reg): I and J now unsigned, new variable K, and change loop
3838 variables accordingly; THIS_NREGS now unsigned.
3839 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3840 (spill_hard_reg): REGNO arg now unsigned; add casts.
3841 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3842 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3843 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3844 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3845 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3846 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3847 (emit_reload_insns): REGNO now unsigned.
3848 (reload_cse_move2add): Add cast.
3849 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3851 * resource.c (mark_referenced_resources, mark_set_resources): New
3852 variable R; REGNO and LAST_REGNO now unsigned.
3853 (mark_target_live_regs): J and REGNO now unsigned.
3854 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3855 * rtl.h (union rtunion_def): New field rtuint.
3856 (XCUINT): New macro.
3857 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3858 (operand_subword, operand_subword_force): Word number is unsigned.
3859 (choose_hard_reg_mode): Operands are unsigned.
3860 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3861 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3862 (regno_use_in, combine_instructions, remove_death): Likewise.
3863 (reg_scan, reg_scan_update): Likewise.
3864 (extended_count): Return is unsigned.
3865 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3866 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3867 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3868 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3869 (reg_reg_last_1): FIRS and LAST now unsigned.
3870 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3871 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3873 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3874 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3875 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3876 (replace_regs): Arg NREGS now unsigned.
3877 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3878 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3879 (simplify_binary_operation): Likewise.
3880 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3881 THIS_LAST now unsigned.
3882 (cselib_record_set): Add cast.
3883 * ssa.c (ssa_max_reg_num): Now unsigned.
3884 (rename_block): REGNO now unsigned.
3885 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3887 (all_cases_count): Just return -1 not -2.
3888 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3889 Rework tests to use trees whenever possible.
3890 Use host_integerp and tree_low_cst.
3891 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3892 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3893 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3894 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3895 (smallest_mode_for_size): Likewise.
3896 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3897 KNOWN_ALIGN is now an alignment, so simplify code.
3898 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3899 (start_record_layout): Renamed from new_record_layout_info.
3900 Update to new fields.
3901 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3903 (place_union_field): Renamed from layout_union_field.
3904 Update to use new fields in rli.
3905 (place_field): Renamed from layout_field.
3906 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3907 (finalize_record_size): Rework to use new fields in rli and handle
3909 (compute_record_mode): Rework to simplify and to use new DECL fields.
3910 (finalize_type_size): Make rounding more consistent.
3911 (finish_union_layout): Deleted.
3912 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3913 (layout_type, case RECORD_TYPE): Call new function names.
3914 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3915 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3916 (get_best_mode): UNIT is now unsigned; remove casts.
3917 * tree.c (bit_position): Compute from new fields.
3918 (byte_position, int_byte_position): New functions.
3919 (print_type_hash_statistics): Cast to remove warning.
3920 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3921 (build_index_type): Likewise; make subtype of sizetype.
3922 (build_index_2_type): Pass sizetype to build_range_type.
3923 (build_common_tree_nodes): Use size_int and bitsize_int to
3924 initialize nodes; add bitsize_{zero,one,unit}_node.
3925 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3926 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3927 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3928 (DECL_FIELD_BITPOS): Deleted.
3929 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3930 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3931 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3932 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3933 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3934 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3935 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3936 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3937 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3938 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3939 (DECL_ALIGN): Adjust to new field in union.
3940 (DECL_OFFSET_ALIGN): New field.
3941 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3942 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3943 (union tree_decl): Add struct for both aligns.
3944 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3945 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3946 (struct record_layout_info): Rework fields to have offset
3947 alignment and byte and bit position.
3948 (start_record_layout, place_field): Renamed from old names.
3949 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3950 (byte_position, int_byte_position): Likewise.
3951 (get_inner_reference): Change types of position and length.
3952 * unroll.c (unroll_loop): New variable R; use for some loops.
3953 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3954 (calculate_giv_inc): Arg REGNO now unsigned.
3955 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3956 * varasm.c (assemble_variable): Clean up handling of size using
3957 host_integerp and tree_low_cst.
3958 (decode_addr_const): Use byte, not bit, position.
3959 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3960 use tree_low_cst and int_bit_position.
3961 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3963 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3965 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3966 (reorder_block_def): New members eff_head and eff_end.
3967 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3968 (verify_insn_chain): New function.
3969 (skip_insns_between_block): Add code to skip deleted insns.
3970 Check for note before using.
3971 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3972 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3973 Check for note before using.
3974 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3975 (fixup_reorder_chain): Restructure, clean up, defect removal.
3976 (reorder_basic_blocks): Remove last_insn and references to it.
3977 Moved insn chain verification code into a new function (see above).
3978 Delete defective code that sets last insn.
3979 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3982 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3984 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3986 2000-03-24 Richard Henderson <rth@cygnus.com>
3988 * tree.c (lang_safe_for_unsave): Remove.
3989 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3990 allowing for two levels of unsafeness. Remove lang hook.
3991 * tree.h: Update declarations.
3992 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3993 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3994 Always fail sibcalls when there are pending cleanups.
3996 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3998 * flow.c (propagate_block): When we delete an ADDR_VEC,
3999 also delete the BARRIER following it if there is one.
4001 2000-03-24 Richard Henderson <rth@cygnus.com>
4003 * builtins.c (expand_builtin_bzero): Convert `length' argument
4006 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4008 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4009 comparison if regno's are equal.
4010 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4011 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4012 (expand_call): Update caller.
4013 Avoid making a sibling call if argument size of the callee is larger
4014 than argument size of the caller.
4015 Call hard_function_value with outgoing set if in sibcall pass.
4016 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4018 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4019 Change LEAF_REGISTERS from an array initializer to actual array
4020 identifier. Move static global variable into the function.
4021 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4022 sequences for leaf functions.
4023 * global.c (global_alloc): Likewise.
4024 * tm.texi (LEAF_REGISTERS): Update documentation.
4026 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4027 TARGET_FLAT leaf disabling hack.
4028 (LEAF_REGISTERS): Changed from an array initializer to actual array
4029 identifier to avoid duplication and remove the above hack.
4030 (FUNCTION_OK_FOR_SIBCALL): Define.
4031 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4032 always like call attribute.
4033 (eligible_for_sibcall_delay): New attribute.
4034 (sibcall): New delay type.
4035 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4036 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4037 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4038 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4039 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4041 (output_function_epilogue): Move part of the code into
4042 output_restore_regs.
4043 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4045 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4048 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4049 until infrastructure is finished.
4051 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4053 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4054 (save_parm_insns): Not here.
4056 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4058 * builtins.c (expand_builtin_bzero): New function.
4059 (expand_builtin): Handle bzero.
4061 * builtins.def: Add BUILT_IN_BZERO.
4063 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4064 prototype & function for bzero.
4066 2000-03-23 Michael Meissner <meissner@redhat.com>
4068 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4069 change adding TARGET_FP to the TF floating point insns, except for
4070 trunctfsf2, which generates direct calls to truncdfsf2.
4072 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4074 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4075 try to protect against middle-end changes that break binary
4077 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4079 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4081 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4083 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4085 * calls.c (expand_call): If TARGET is passed by reference and
4086 is readonly, write a CLOBBER.
4088 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * builtins.c (expand_builtin): Handle bcmp.
4092 * builtins.def: Add BUILT_IN_BCMP.
4094 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4095 prototype & function for bcmp.
4097 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4099 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4100 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4101 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4103 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4105 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4106 alternative when using -fp64 -gp32.
4108 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4110 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4111 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4112 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4114 * frame.h (frame_state): Revert last change.
4115 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4116 * libgcc2.c (throw_helper): Revert last change.
4118 2000-03-22 Richard Henderson <rth@cygnus.com>
4120 * stmt.c (expand_asm_operands): Don't promote the temporary.
4122 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4124 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4125 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4126 c_get_alias_set): Likewise.
4127 * c-decl.c (duplicate_decls): Likewise.
4128 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4129 * calls.c (initialize_argument_information): Likewise.
4130 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4132 * dwarfout.c (decl_class_context,output_type): Likewise.
4133 * expr.c (get_inner_reference): Likewise.
4134 * fold-const.c (simple_operand_p,fold): Likewise.
4135 * function.c (aggregate_value_p): Likewise.
4136 * stmt.c (expand_asm_operands): Likewise.
4137 * varasm.c (named_section): Likewise.
4139 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4141 Implement dwarf2 exception handling for the ARM.
4142 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4143 (DWARF_FRAME_RETURN_COLUMN): Define.
4144 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4145 REG_FRAME_RELATED_EXPR note.
4146 (emit_sfm): Likewise.
4147 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4148 * dwarf2out.c (reg_save): Handle saving a register to itself.
4149 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4150 * except.c (eh_regs): Don't use the static chain reg if it's
4152 * frame.h (frame_state): Add cfa_saved field.
4153 * frame.c (execute_cfa_insn): Set it.
4154 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4156 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4158 (instantiate_virtual_regs): Adjust.
4160 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4161 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4162 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4164 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4165 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4167 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4169 * builtins.def: New file.
4171 * Makefile.in (TREE_H): Depend on builtins.def.
4173 * builtins.c (built_in_names): Use builtins.def.
4175 * tree.h (built_in_function): Likewise.
4177 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4179 * tree.c (size_in_bytes): Return size_zero_node, not
4182 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4184 * config/fp-bit.c (pack_d): Correct the case when a denormal
4185 is rounded up and stops being denormal.
4187 2000-03-21 Richard Henderson <rth@cygnus.com>
4189 * config/alpha/alpha.c (function_arg): Check for void_type_node
4190 before using MUST_PASS_IN_STACK.
4192 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4194 * regmove.c (combine_stack_adjustments_for_block): Check that
4195 the stack pointer is a valid memory address.
4197 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4199 * calls.c: re-install Mar 16 emit_library_call merge.
4201 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4203 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4204 we cannot be sure that if reload_completed base register will
4205 be properly aligned.
4207 2000-03-21 Richard Henderson <rth@cygnus.com>
4209 * flow.c (delete_block): Fix typo last change.
4211 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4213 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4214 not COMPLETE_TYPE_P, to check the type of the expression.
4216 2000-03-21 Michael Meissner <meissner@redhat.com>
4218 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4219 all floating point insns that just tested the macro
4220 TARGET_HAS_XFLOATING_LIBS.
4221 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4222 used to only use the gprs.
4224 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4226 * tree.h (COMPLETE_TYPE_P): New macro.
4227 (COMPLETE_OR_VOID_TYPE_P): New macro.
4228 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4229 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4230 * c-aux-info.c (gen_type): Use them.
4231 * c-common.c (c_expand_expr_stmt): Likewise.
4232 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4233 grokdeclarator, grokparms, finish_struct, start_function,
4234 store_parm_decls, combine_parm_decls): Likewise.
4235 * c-parse.y (cast_expr): Likewise.
4236 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4237 c_size_in_bytes, c_alignof, build_component_ref,
4238 build_indirect_ref, build_array_ref, convert_arguments,
4239 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4240 * calls.c (initialize_argument_information): Likewise.
4241 * convert.c (convert_to_integer): Likewise.
4242 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4243 * dwarfout.c (location_or_const_value_attribute,
4244 output_enumeration_type_die, output_structure_type_die,
4245 output_union_type_die, output_type): Likewise.
4246 * expr.c (safe_from_p, expand_expr): Likewise.
4247 * function.c (assign_parms): Likewise.
4248 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4249 * tree.c (build_array_type, build_function_type,
4250 build_method_type, build_offset_type, build_complex_type): Likewise.
4251 * c-parse.c, c-parse.h: Regenerated.
4253 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4255 * config/c4x/rtems.h: Include config/rtems.h.
4257 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4259 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4260 decl is a FUNCTION_DECL
4262 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4264 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4265 function uses output registers. Don't save RP for leaf functions.
4266 Do save RP even if no epilogue.
4267 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4268 (CALL_USED_REGISTERS): Unmark in registers.
4269 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4272 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4274 * config/rs6000/rs6000.md (bunordered): New expander.
4275 (bordered): New expander.
4276 (buneq): New expander.
4277 (bunge): New expander.
4278 (bungt): New expander.
4279 (bunle): New expander.
4280 (bunlt): New expander.
4281 (bltgt): New expander.
4283 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4284 (ccr_bit_negated_p): New function.
4285 (print_operand): For %C, generate appropriate cror for UNEQ,
4286 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4288 2000-03-20 Andreas Jaeger <aj@suse.de>
4290 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4293 * tree.h (safe_for_unsave): Prototype.
4295 2000-03-20 Richard Henderson <rth@cygnus.com>
4297 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4298 (combine_stack_adjustments_for_block): Don't allow sp references
4299 in the side of a set we're not fixing up.
4300 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4301 after life_analysis.
4303 2000-03-20 Richard Henderson <rth@cygnus.com>
4305 * calls.c (expand_call): Don't bother generating tail call
4306 sequences if there are pending cleanups. Use
4307 expand_start_target_temps/expand_end_target_temps to elide
4308 cleanups created during sibcall expansion.
4310 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4312 * configure.in: Set $IFS to a value if it doesn't already have one
4313 in the --enable-checking handling.
4314 * configure: Regenerate.
4316 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4318 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4319 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4322 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4324 * jump.c (delete_noop_moves): Remove code attempting to
4325 combine stack adjustments.
4327 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4329 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4330 * except.c (emit_cleanup_handler): Use them.
4331 (expand_end_all_catch): Likewise.
4332 * function.c (fixup_var_refs): Likewise.
4333 (expand_function_end): Clear catch_clauses_last.
4334 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4335 * except.h (struct eh_status): New field x_catch_clauses_last.
4336 (catch_clauses_last): New define.
4338 * Makefile.in (tree.o): Depend on HASHTAB_H.
4339 * tree.c: Include hashtab.h.
4340 (struct type_hash): Remove next field.
4341 (TYPE_HASH_SIZE): Remove.
4342 (TYPE_HASH_INITIAL_SIZE): New define.
4343 (type_hash_table): Change type to htab_t.
4344 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4345 mark_hash_entry): New functions.
4346 (init_obstacks): Allocate type hash.
4347 (type_hash_lookup): Use htab functions.
4348 (type_hash_add, mark_type_hash): Likewise.
4349 (dump_tree_statistics): Call print_type_hash_statistics.
4351 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4353 * rs6000/t-aix41: New file.
4355 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4357 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4359 * tm.texi (Driver): Fix typos and tweak entry for
4361 Move misplaced STRUCT_FORCE_BLK entry ...
4362 (Storage Layout): ... to here.
4363 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4365 2000-03-19 Richard Henderson <rth@cygnus.com>
4367 * flow.c (delete_block): Delete the addr_vec along with the block.
4368 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4371 * fold-const.c (extract_muldiv): Apply type check for defined
4372 overflow to multiply as well as divide.
4374 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4376 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4378 * emit-rtl.c (remove_unncessary_notes): Check that all
4379 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4380 associated NOTE_BLOCK.
4381 * function.h (identify_blocks): Update comments.
4382 (reorder_blocks): Declare.
4383 * function.c (identify_blocks): Don't take paramters.
4384 (reorder_blocks): Don't take parameters.
4385 * loop.h (find_loop_tree_blocks): Remove.
4386 (unroll_block_trees): Likewise.
4387 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4388 reorder_blocks instead of unroll_block_trees.h
4389 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4390 * stmt.c (find_loop_tree_blocks): Remove.
4391 (unroll_block_trees): Likewise.
4392 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4393 in whole-function mode.
4394 * tree.h (reorder_blocks): Remove declaration.
4396 * expr.c: Include intl.h.
4397 * Makefile.in (expr.o): Depend on intl.h.
4399 2000-03-18 Richard Henderson <rth@cygnus.com>
4401 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4403 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4405 * tree.h (tree_index): Remove enumerals for integer types.
4406 (integer_type_kind): New type.
4407 (integer_types): New variable.
4408 (char_type_node): Adjust.
4409 (signed_char_type_node): Likewise.
4410 (unsigned_char_type_node): Likewise.
4411 (short_integer_type_node): Likewise.
4412 (short_unsigned_type_node): Likewise.
4413 (integer_type_node): Likewise.
4414 (unsigned_type_node): Likewise.
4415 (long_integer_type_node): Likewise.
4416 (long_unsigned_type_node): Likewise.
4417 (long_long_integer_type_node): Likewise.
4418 (long_long_unsigned_type_node): Likewise.
4419 * tree.c (integer_types): New variable.
4420 (init_obstacks): Register it as a root.
4422 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4424 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4425 NEXT_INSN. Update last insn in chain.
4427 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4429 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4430 with TYPE_DECL_SUPPRESS_DEBUG set.
4432 2000-03-18 Richard Henderson <rth@cygnus.com>
4434 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4436 2000-03-18 Richard Henderson <rth@cygnus.com>
4438 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4439 care for HALF_PIC_P.
4440 (expander_call_insn_operand): Remove.
4441 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4442 * i386.h (PREDICATE_CODES): Update.
4443 * i386.md (all call expanders): Remove predicates, remove special
4444 handling for half-pic.
4445 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4446 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4447 (sibcall_epilogue): New.
4449 2000-03-17 Richard Henderson <rth@cygnus.com>
4451 * rtlanal.c (single_set): Reject if the parallel has anything
4452 except SET or USE or CLOBBER.
4454 2000-03-17 Jeff Law <law@cygnus.com>
4455 Richard Henderson <rth@cygnus.com>
4457 * Makefile.in (OBJS): Add sibcall.o.
4459 * sibcall.c: New file.
4460 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4461 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4462 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4463 Emit sibcall patterns when requested. Update all callers.
4464 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4465 elimination seems feasable.
4466 * final.c (leaf_function_p): Sibling calls don't discount being
4468 * flow.c (HAVE_sibcall_epilogue): Provide default.
4469 (find_basic_blocks_1): Sibling calls don't throw.
4470 (make_edges): Make edge from sibling call to EXIT.
4471 (propagate_block): Don't remove sibcall_epilogue insns.
4472 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4473 (sibcall_epilogue): New.
4474 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4475 (identify_blocks_1): Likewise. Break out from ...
4476 (identify_blocks): ... here.
4477 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4478 (reorder_blocks): ... here.
4479 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4480 (record_insns): Extend a varray instead of mallocing new memory.
4481 (contains): Read a varray not array of ints.
4482 (sibcall_epilogue_contains): New.
4483 (thread_prologue_and_epilogue_insns): Emit and record
4484 sibcall_epilogue patterns.
4485 (init_function_once): Allocate prologue/epilogue varrays.
4486 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4487 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4489 (save_for_inline_nocopy): ... here.
4490 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4492 (expand_inline_function): ... here.
4493 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4494 (subst_constants): Handle 'n' formats.
4495 * jump.c (jump_optimize_minimal): New.
4496 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4497 optimizations if it's set.
4498 * rtl.c (copy_rtx): Do copy jump & call for insns.
4499 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4500 (SIBLING_CALL_P): New.
4501 (sibcall_use_t): New.
4502 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4503 Invoke optimize_sibling_and_tail_recursive_calls.
4504 * tree.c (lang_safe_for_unsave): New.
4505 (safe_for_unsave): New.
4506 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4508 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4509 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4510 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4512 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4514 * objc/objc-act.c (encode_method_prototype): Pass types, not
4515 PARM_DECLs, to int_size_in_bytes.
4517 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4519 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4521 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4522 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4524 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4526 * Clean up usages of TREE_INT_CST_LOW.
4527 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4528 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4530 * c-tree.h (min_precision): Move declaration to here.
4531 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4532 (build_unary_op, add_pending_init): Use bit_position.
4533 (pending_init_member, process_init_element): Likewise.
4534 (really_start_incremental_init, push_init_level, pop_init_level):
4535 Don't make copies of nodes or modify them in place, use consistent
4536 types when tracking positions, and use tree routines computations.
4537 (set_init_index, output_init_element): Likewise.
4538 (output_pending_init_elements, process_init_element): Likewise.
4539 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4540 tree_low_cst and int_bit_position; also minor cleanup.
4541 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4542 (print_cst_octal): Precision is unsigned.
4543 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4544 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4545 (simple_type_align_in_bits): Result is unsigned int.
4546 Use tree_int_low_cst and host_integerp.
4547 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4548 (field_byte_offset): Result is HOST_WIDE_INT.
4549 Change types of internal variables so alignments are unsigned int,
4550 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4551 Use host_integerp, tree_low_cst, and int_bit_position.
4552 (add_bit_offset_attribute): Likewise.
4553 (add_data_member_location_attribute): Use tree_cst_low.
4554 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4555 (add_bit_size_attribute): Use tree_low_cst.
4556 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4557 * dwarfout.c: Similar changes to dwarf2out.c.
4558 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4559 * genoutput.c (n_occurences): Return -1 for null string.
4560 (strip_whitespace): Accept null string and make into function.
4561 (scan_operands): Reflect above changes.
4562 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4563 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4564 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4565 * tree.c (int_size_in_bytes): Check for too big to represent.
4566 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4567 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4569 (min_precision): Delete from here.
4570 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4571 and int_bit_position.
4572 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4573 (encode_method_def): Likewise.
4574 (build_ivar_list_initializer): Use int_bit_position.
4575 (generate_shared_structures): Convert size.
4576 (encode_type, encode_complete_bitfield): Use integer_zerop.
4577 (encode_bitfield): Use tree_low_cst and int_bit_position.
4579 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4581 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4583 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4585 * call.c (special_function_p): It is only malloc if it returns
4588 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4590 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4591 (C33_FLAG, TARGET_C3X): Add macros.
4592 (TARGET_SWITCHES): Add -m33 option.
4593 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4595 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4597 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4598 (PARALLEL_PACK_FLAG): Delete.
4599 (TARGET_SWITCHES): Update.
4600 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4602 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * fold-const.c (fold): Fix a few cases when the returned result
4605 is not of the same type as the input.
4607 2000-03-16 Nick Clifton <nickc@cygnus.com>
4609 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4612 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * libgcc2.h: Move prototypes above macros with the same name.
4615 Wrap some function prototypes in the conditional which indicates
4616 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4618 2000-03-16 Richard Henderson <rth@cygnus.com>
4620 * calls.c: Revert last two changes.
4622 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4624 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4625 has exponent 0 is a zero.
4627 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4628 HASH may already be nonzero. Add code/mode into hash value
4629 immediately after repeat label.
4630 (cselib_lookup): Don't leave the hash table in an inconsistent
4631 state before a hash lookup operation.
4633 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4635 * i386.md (all HI and QI mode non-move patterns): Conditionize
4636 by TARGET_[HQ]IMODE_MATH.
4637 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4638 x86_promote_qi_regs): Declare.
4639 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4640 TARGET_PROMOTE_QI_REGS): New macros.
4641 (PROMOTE_MODE): New macro.
4642 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4643 x86_promote_qi_regs): New global variables.
4645 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4647 * calls.c (emit_library_call_value_1): Break out from ...; handle
4648 VOIDmode function calls too.
4649 (emit_library_call_value): ... here.
4650 (emit_library_call): Implement by calling emit_library_call_value_1.
4652 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4654 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4655 Update arg_space_so_far on stack adjustments.
4656 (emit_library_call, emit_library_call_value): Likewise; take into
4657 account arg_space_so_far and pending_stack_adjust when calculcating
4660 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4662 * flow.c: Move all basic block reordering code into its own file.
4663 (create_basic_block): Externalize.
4664 * bb-reorder.c: New file. Copy all basic block reordering code from
4665 flow.c to this file.
4666 (reorder_basic_blocks): Fix fencepost error in for-loop.
4667 (reorder_basic_blocks): Remove braces from single statement for-loops.
4668 * basic-block.h: Add declaration for create_basic_block.
4669 * Makefile.in: Add rules for bb-reorder.o.
4671 2000-03-16 Neil Booth <NeilB@earthling.net>
4673 * cppinit.c (handle_option): Implement #unassert directive
4674 as -A- command line option.
4675 (print_help): Update.
4676 * cpptexi.c: Update.
4678 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4680 * md.texi (Standard Names): Document `jump'.
4682 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4684 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4687 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4689 Merge changes from newppc-branch onto trunk.
4691 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4693 * rs6000.c (toc_hash_table): Update for new hash table functions.
4694 (toc_hash_function): Likewise.
4695 (toc_hash_eq): Likewise.
4696 (toc_hash_mark_entry): Likewise.
4697 (toc_hash_mark_table): Likewise.
4698 (output_toc): Likewise.
4699 (rs6000_add_gc_roots): Likewise.
4701 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4703 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4704 (AR_FLAGS_FOR_TARGET): here. New macro.
4706 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4708 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4709 fpmem_operand) Delete.
4711 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4712 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4713 (rs6000_save_machine_status, rs6000_restore_machine_status,
4714 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4715 references to above variables.
4716 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4717 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4718 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4719 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4720 (XER_REGNO_P, XER_REGNO): New.
4721 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4722 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4723 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4725 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4726 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4727 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4729 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4731 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4732 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4733 * rs6000.h: from here.
4735 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4736 (rs6000_select_rtx_section): Likewise.
4737 (rs6000_encode_section_info): Likewise.
4738 (sdata_section): Likewise.
4739 (sdata2_section): Likewise.
4740 (sbss_section): Likewise.
4741 * sysv4.h (rs6000_select_section): Delete prototype.
4742 (rs6000_select_rtx_section): Likewise.
4743 (rs6000_encode_section_info): Likewise.
4744 (sdata_section): Likewise.
4745 (sdata2_section): Likewise.
4746 (sbss_section): Likewise.
4747 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4749 * sysv4.h: Delete various unnecessary #undef's and put a comment
4750 on the remaining ones.
4751 Change various comments according to coding standard.
4753 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4755 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4756 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4757 (CR0_REGNO_P) Remove.
4758 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4759 setup_incoming_varargs, mtcrf_operation, print_operand,
4760 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4761 Use the above macros.
4763 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4765 * config/rs6000/rs6000.md: Added a new alternative for each
4766 pattern that had a 'x' alternative but no 'y' alternative.
4767 Added a new split for each of the above patterns.
4769 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4771 * aix41.h (ASM_CPU_SPEC): Delete.
4772 (CPP_CPU_SPEC): Delete.
4774 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4775 (ASM_OUTPUT_LABEL): Define.
4776 (ASM_GLOBALIZE_LABEL): Define.
4777 (STRIP_NAME_ENCODING): Define.
4778 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4779 (STRIP_NAME_ENCODING): Don't define.
4780 (ASM_OUTPUT_LABEL): Don't define.
4781 (ASM_GLOBALIZE_LABEL): Don't define.
4782 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4783 names, and ASM_OUTPUT_LABEL to output labels, rather than
4785 (ASM_OUTPUT_LABEL): Define.
4786 (ASM_OUTPUT_INT): Use assemble_name.
4787 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4788 (STRIP_NAME_ENCODING): Don't undefine first.
4789 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4791 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4792 specified with 'asm' even with -fleading-underscore.
4793 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4794 (output_epilog): Likewise.
4795 (output_toc): Likewise.
4796 * tramp.asm: Handle -fleading-underscore correctly.
4798 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4800 (nonlocal_goto_receiver): Delete.
4801 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4803 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4804 (SET_ASM_OP): Define.
4805 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4807 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4810 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4811 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4813 * rs6000.h: Add 'u' to more constants.
4815 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4817 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4819 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4821 * rs6000.c (reg_or_u_cint_operand): New function.
4822 (logical_operand): Handle 64-bit hosts.
4823 (logical_u_operand): New function.
4824 (non_logical_cint_operand): Handle 64-bit hosts.
4825 (non_logical_u_cint_operand): New function.
4826 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4827 (PREDICATE_CODES): Define new functions.
4828 * rs6000-protos.h: Declare new functions.
4829 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4830 (movdi_64): Bracket code intended for 64-bit hosts. Create
4831 CONST_DOUBLE for 32-bit values.
4832 (scc insns): Generate DImode compares.
4833 (mfcr insns): Create DImode versions.
4834 (sge matchers): New patterns.
4836 2000-02-15 Gabriel Paubert <paubert@iram.es>
4838 * rs6000.md: Correct instructions length attributes and
4839 constraints on unsigned compare instructions.
4840 (*ne0): Disable for PowerPC64.
4842 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4844 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4845 quantity, fix profile1.C test failure under -fPIC.
4847 * rs6000.c: Add 'u' to many constants to suppress warnings.
4848 (constant_pool_expr_1): Make static.
4849 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4850 * rs6000.h: Add 'u' to many constants to suppress warnings.
4852 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4853 for the start of the TOC, instead of LCTOC..0.
4854 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4856 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4857 (load_toc_aix_di): Use LCTOC..1.
4859 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4860 * rs6000.c (rs6000_legitimize_address): New function from
4861 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4862 symbols in the constant pool that really are TOC references.
4863 (print_operand_address): For ELF, write TOC offsets under
4864 -fPIC as subtractions in the insn.
4865 (output_toc): For ELF, define symbols in TOC as normal labels,
4867 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4868 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4869 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4870 * rs6000.md (movsi): Only use create_TOC_reference on
4871 symbols in the constant pool that really are TOC references.
4873 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4874 * rs6000.c (rs6000_reorg): Delete.
4875 * rs6000-protos.h (rs6000_reorg): Delete.
4877 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4879 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4881 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4882 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4883 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4884 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4885 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4886 rs6000_aix_emit_builtin_unwind_init.
4887 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4888 rs6000_emit_eh_toc_restore on AIX.
4889 (return_eh_si): Use r2.
4890 (return_eh_di): Use r2.
4892 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4893 since we're breaking binary compatibility anyway.
4895 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4897 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4898 constant_pool_expr_p): Declare them.
4899 (constant_pool_expr_p): Declare it.
4900 * config/rs6000/rs6000.c (toc_label_name): Define.
4901 (rs6000_override_options): Set toc_label_name.
4902 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4903 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4904 uses_TOC): New functions.
4905 (print_operand): Delete old '*' case.
4906 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4907 and strip off rtl for TOC before calling output_addr_const.
4908 (rs6000_emit_load_toc_table): Use toc_label_name.
4909 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4911 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4912 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4913 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4914 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4915 into explicit TOC_REGISTER offsets.
4916 (TOC_REGISTER): New macro.
4917 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4918 TARGET_TOC to reference TOC_REGISTER.
4919 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4920 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4921 uses_TOC before emitting label references.
4923 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4925 * rs6000.md (stack_tie): Fix warning.
4927 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4928 to handle -fleading-underscore.
4929 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4930 (USER_LABEL_PREFIX): New macro.
4931 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4932 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4933 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4934 call-linux can use the same multilibs.
4935 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4936 and call-linux multilibs. Do multilib with -fleading-underscore.
4937 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4938 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4941 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4942 have MASK_SOFT_FLOAT set.
4943 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4944 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4945 CPP_FLOAT_DEFAULT_SPEC.
4947 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4948 * rs6000.md: Whitespace change.
4949 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4950 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4952 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4954 * rs6000.md (eh_epilogue): New expander.
4955 (eh_reg_restore): New expand/split/insn combination.
4956 (return_eh_si): New insn.
4957 (return_eh_di): New insn.
4959 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4960 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4961 * eabi-ctors.c (__do_global_ctors): Register this object's
4962 frame. Clean up. Call atexit() after the constructors.
4963 (__do_global_dtors): Deregister this object's frame. Clean up.
4964 Allow for recursive calls to exit().
4965 * rs6000.c (fixuplabelno): New variable.
4966 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4967 TARGET_RELOCATABLE, it slows down exec() under linux.
4968 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4970 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4971 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4972 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4973 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4974 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4975 (ASM_OUTPUT_DWARF_ADDR): New macro.
4976 (ASM_OUTPUT_DWARF_DATA4): New macro.
4977 (ASM_OUTPUT_DWARF_DATA2): New macro.
4978 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4979 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4980 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4982 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4984 * rs6000.c (rs6000_sr_alias_set): New variable.
4985 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4986 (rs6000_emit_stack_tie): New function.
4987 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4988 in a way that dwarf2out can understand.
4989 (rs6000_frame_related): New function.
4990 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4991 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4992 Use rs6000_emit_stack_tie when needed.
4993 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4994 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4995 * rs6000.md (stack_tie): New insn.
4996 (return_internal_si): Allow return value to be in the count
4998 (return_internal_di): Likewise.
5000 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5002 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5004 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5006 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5008 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5010 * rs6000.md (stmw): Use the right POWER opcode.
5013 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5015 * rs6000-protos.h: New file.
5017 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5019 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5022 * sysv4.h: Likewise.
5024 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5026 * ../../configure.in: Delete powerpcle-*-winnt*
5027 and powerpcle-*-pe|powerpcle-*-cygwin*.
5028 * ../../configure: Regenerated.
5030 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5031 (TARGET_WINDOWS_NT): Delete.
5033 (CALL_NT_DLLIMPORT): Delete.
5034 Delete NT-specific code.
5035 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5038 * nt-ci.asm: Delete.
5039 * nt-cn.asm: Delete.
5040 * ntstack.asm: Delete.
5042 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5044 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5045 (ASM_FILE_START): Likewise.
5046 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5047 (ASM_OUTPUT_LABELREF): Likewise.
5048 (ASM_OUTPUT_SKIP): Likewise.
5049 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5050 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5051 (ASM_OUTPUT_CASE_LABEL): Likewise.
5052 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5053 (ASM_OUTPUT_ASCII): Likewise.
5055 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5057 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5058 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5059 increment rs6000_pic_labelno here.
5060 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5061 and increment rs6000_pic_labelno here.
5063 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5065 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5066 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5067 allocation knows (reg) is dead before the insn.
5069 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5071 * rs6000.md (movsi_to_cr): Correct typo in output template.
5073 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5075 * rs6000.c (rs6000_pic_labelno): Always define.
5076 (rs6000_pic_func_labelno): Delete.
5077 (lmw_operation): Check for a zero base register,
5078 which doesn't mean what we want.
5079 (stmw_operation): New function.
5080 (print_operand): Define new 'l' modifier.
5081 (rs6000_stack_info): We must save all 64 bits of the registers
5082 if TARGET_POWERPC64.
5083 (rs6000_output_load_toc_table): Delete.
5084 (rs6000_emit_load_toc_table): New function.
5085 (rs6000_allocate_stack_space): Delete.
5086 (rs6000_emit_allocate_stack): New function.
5087 (rs6000_emit_prologue): New function.
5088 (output_prolog): Use rs6000_emit_prologue.
5089 (rs6000_emit_epilogue): Change a few variable names to be
5090 more accurate. Restore all 64 bits of the registers if
5091 TARGET_POWERPC64. Only restore the FP registers which were used
5092 if they are being saved/restored one-at-a-time.
5093 (output_mi_thunk): Delete inefficient code generation.
5094 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5095 * rs6000.h: Declare rs6000_emit_load_toc_table,
5096 rs6000_allocate_stack_space, stmw_operation. Don't declare
5097 rs6000_output_load_toc_table.
5098 * rs6000.md (elf_high): Allow register 0, but discourage it
5100 (elf_low): Support loading into register 0.
5101 (load_toc_aix_si): New pattern.
5102 (load_toc_aix_di): New pattern.
5103 (load_toc_v4_pic_si): New pattern.
5104 (load_toc_v4_pic_di): New pattern.
5105 (load_toc_v4_PIC_1): New pattern.
5106 (load_toc_v4_PIC_1b): New pattern.
5107 (load_toc_v4_PIC_2): New pattern.
5108 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5109 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5110 (prologue): New expander.
5111 (movesi_from_cr): New pattern.
5112 (stmw): New pattern.
5113 (save_fpregs_si): New pattern.
5114 (save_fpregs_di): New pattern.
5116 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5118 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5123 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5125 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5127 (movsi_got_internal): Likewise.
5128 (movsi_got_internal+1): Likewise.
5129 (set_sp): 'unspec 7' does a SImode clobber.
5131 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5133 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5134 allocate a stack temporary.
5135 (floatsidf2_internal): Likewise.
5136 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5138 (floatunssidf2): Don't use the fpmem "register", just
5139 allocate a stack temporary.
5140 (floatunssidf2_internal): Likewise.
5141 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5143 (floatsidf2_loadaddr): Delete.
5144 (floatsidf2_store1): Delete.
5145 (floatsidf2_store2): Delete.
5146 (floatsidf2_load): Delete.
5147 (fix_truncdfsi2): Don't use the fpmem "register", just
5148 allocate a stack temporary.
5149 (fix_truncdfsi2_internal_si): Delete.
5150 (fix_truncdfsi2_internal_di): Delete.
5151 (fix_truncdfsi2_internal): New insn.
5152 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5153 (fix_truncdfsi2_store): Delete.
5154 (fix_truncdfsi2_load): Delete.
5155 (fctiwz): Produce gen_fctiwz.
5157 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5159 * eabi.h (INVOKE__main): Define.
5160 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5162 (rs6000_emit_prologue): Likewise.
5163 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5164 this is the main program.
5166 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5168 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5170 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5172 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5173 goes after the argument.
5175 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5177 * rs6000.md: Document 'unspec' values used.
5178 (epilogue): New expander.
5179 (movesi_to_cr_one): New expander.
5180 (movesi_to_cr and following): New pattern.
5182 (return_internal_si): New pattern.
5183 (return_internal_di): New pattern.
5184 (return_and_restore_fpregs_si): New pattern.
5185 (return_and_restore_fpregs_di): New pattern.
5186 * rs6000.h: Declare new functions.
5187 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5188 rather than rs6000_calls_p.
5189 (rs6000_makes_calls): Delete.
5190 (lmw_operation): New function.
5191 (mtcrf_operation): New function.
5192 (rs6000_emit_epilogue): New function.
5193 (output_epilog): Call rs6000_emit_epilogue and final if
5194 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5196 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5198 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5199 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5200 * aix.h (SUBTARGET_SWITCHES): Document switches.
5201 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5202 sched-prolog and sched-epilog the same. Document all the
5204 (TARGET_OPTIONS): No longer allow -mdebug-.
5206 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5208 * rs6000.h (ASM_FILE_END): Move to aix.h.
5209 (EXTRA_SECTIONS): Move to aix.h.
5210 (READONLY_DATA_SECTION): Move to aix.h.
5211 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5212 (SELECT_SECTION): Move to aix.h.
5213 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5214 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5215 (LINK_REGISTER_REGNUM): New definition.
5216 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5217 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5219 * sysv4.h: Delete the code between the inclusion of rs6000.h
5221 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5222 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5223 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5224 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5225 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5226 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5227 (fix_truncdfsi2_internal_di): New pattern.
5228 (fix_truncdfsi2_store): The second arg here is Pmode too.
5229 (fix_truncdfsi2_load): The second arg here is Pmode too.
5230 (tablejumpdi): Now that switch tables hold only SImode values,
5231 gcc needs to know how to add them to the pc which is DImode.
5232 * rs6000.c (rs6000_stack_info): Use symbolic name for
5233 LINK_REGISTER_REGNUM.
5234 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5235 (output_toc): Delete unused variables s1 and s2.
5236 (output_ascii): Use fputs not fprintf on a variable string.
5238 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5240 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5241 * aix43.h: Revert Aug 2 change.
5242 (HAS_INIT_SECTION): Define, not visible yet.
5243 (LD_INIT_SWITCH): Define, not visible yet.
5244 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5246 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5248 * config/rs6000/rtems.h: Include config/rtems.h.
5250 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5252 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5253 (SLOW_UNALIGNED_ACCESS): Define.
5254 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5255 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5256 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5257 (toc_section): Likewise and .toc pseudo-op.
5258 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5260 (TEXT_SECTION_ASM_OP): Likewise.
5261 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5264 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5266 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5267 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5270 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5272 * rs6000.h: Move more stuff from here...
5274 * sysv4.h: Cleanup accordingly.
5275 * netware.h: Likewise
5277 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5279 * rs6000.h: Continue cleanup.
5282 * netware.h: Likewise.
5284 * sysv4.h: Likewise.
5285 * win-nt.h: Likewise.
5287 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5288 (TARGET_OPTIONS): Likewise.
5290 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5291 (SUBTARGET_OPTIONS): Likewise.
5293 * rs6000.md: Fix compile time warnings.
5295 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5297 vxworks patches from the Cygnus tree originally by
5298 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5299 <vmakarov@cygnus.com>.
5300 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5301 (ENDFILE_SPEC): Likewise.
5302 (LIB_VXWORKS_SPEC): New macro.
5303 (STARTFILE_VXWORKS_SPEC): New macro.
5304 (ENDFILE_VXWORKS_SPEC): New macro.
5305 (LINK_START_VXWORKS_SPEC): New macro.
5306 (LINK_OS_VXWORKS_SPEC): New macro.
5307 (CPP_OS_VXWORKS_SPEC): New macro.
5308 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5309 * vxppc.h: Rewrite to use proper configuration method.
5310 * vxppcle.h: New file.
5311 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5312 * ../../configure: Rebuilt.
5314 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5316 Lots of changes to rs6000.h, sysv4.h, aix.h,
5317 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5318 with the aim that rs6000.h is the first header
5319 included and the others override it.
5322 * x-aix41-gld: Remove.
5324 * x-aix41: Remove target-specific switches, and don't specify
5325 -Wl,-bbigtoc as we don't need it any more.
5326 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5327 Use t-aix43 for AIX 4.3 and above.
5328 * ../../configure: Regenerated.
5330 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5331 options, that don't do anything yet.
5332 (MASK_SCHED_PROLOG): New macro.
5333 (MASK_SCHED_EPILOG): New macro.
5334 (TARGET_SCHED_PROLOG): New macro.
5335 (TARGET_SCHED_EPILOG): New macro.
5337 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5339 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5340 one per translation unit, not one per function.
5341 (output_toc): Also do duplicate constant elimination
5342 for per-translation-unit TOCs.
5344 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5345 a comment explaining _exactly_ when this pattern gets used.
5346 (builtin_setjmp_receiver): New pattern for better clarity.
5347 (init_v4_pic): Move it into a section dealing with TOC registers.
5349 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5351 * rs6000.c (toc_hash_table): New variable.
5352 (rs6000_hash_constant): New function.
5353 (toc_hash_function): New function.
5354 (toc_hash_eq): New function.
5355 (toc_hash_mark_entry): New function.
5356 (toc_hash_mark_table): New function.
5357 (output_toc): Don't output duplicate TOC entries in
5359 (rs6000_add_gc_roots): Add the hash table as a GC root.
5360 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5361 where they clearly shouldn't be. This may need to be fixed
5362 later when there is a GNU ar for AIX.
5363 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5364 Don't define BOOT_LDFLAGS as it is now not necessary.
5366 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5368 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5369 for va_list on AIX. Use unsigned_char_type_node rather than
5370 constructing our own version on svr4.
5372 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5374 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5375 since patently it's not.
5377 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5379 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5380 define_expand/define_insn pair, and handle restore of the
5381 SVR4 -fpic register.
5383 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5385 * acconfig.h (HAVE_GAS_WEAK): New define.
5386 * configure.in (assembler weak support): Check for .weak support.
5387 * config.in, configure: Rebuilt.
5388 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5389 HAVE_GAS_WEAK is defined.
5391 2000-03-15 Nick Clifton <nickc@cygnus.com>
5393 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5396 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5398 * cppfiles.c (open_include_file): New function.
5399 (find_include_file, cpp_read_file): Use it.
5401 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5403 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5405 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5407 * flow.c (verify_flow_info): Check for unconditional return.
5409 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5411 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5412 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5413 (__ia64_restore_stack_nonlocal): New.
5414 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5416 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5418 * cpphash.c (collect_formal_parameters): Do not complain about
5419 parameter names that just start with `__VA_ARGS__'.
5421 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5423 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5424 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5425 * i386.c (pentiumpro_cost): Set mul cost to 4.
5426 (x86_use_movx): Set for PPro.
5428 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5430 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5431 STACK_BOUNDARY for empty frames now.
5433 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5435 * stor-layout.c (layout_union): Remove.
5436 (layout_union_field): New function, split out from layout_union.
5437 (finish_union_layout): Likewise.
5438 (layout_field): Handle unions by calling layout_union_field.
5439 (finish_record_layout): Handle unions.
5440 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5441 QUAL_UNION_TYPE handling.
5443 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5445 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5446 end of basic block is jump_insn, not barrier; use create_basic_block
5447 instead of creating basic block by hand.
5449 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5451 * flow.c (reorder_basic_blocks): Account for barriers when writing
5452 over NEXT_INSN (last_bb->end).
5453 (verify_flow_info): Add check for missing barriers.
5455 2000-03-14 Greg McGary <gkm@gnu.org>
5457 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5458 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5459 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5460 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5461 __unbounded, __unbounded__): New keywords.
5462 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5463 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5464 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5466 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5468 * cselib.h: New file.
5469 * alias.c: Include "cselib.h".
5470 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5471 MEMs as two new arguments.
5472 (get_addr): New static function.
5473 (find_base_term): Handle VALUEs.
5474 (memrefs_conflict_p): Likewise.
5475 (true_dependence): Call get_addr on the addresses.
5476 Call fixed_scalar_and_varying_struct_p with addresses that have been
5477 passed through get_addr and canon_rtx.
5478 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5479 with true_dependence.
5480 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5481 * loop.c: Include "cselib.h".
5482 (load_mems): Process extended basic block that enters the loop with
5483 cselib. Use that information to change initialization of the shadow
5484 register so that a constant equivalence is seen by later passes.
5485 * reload1.c: Include "cselib.h".
5486 (reload_cse_invalidate_regno): Delete function.
5487 (reload_cse_mem_conflict_p): Likewise.
5488 (reload_cse_invalidate_mem): Likewise.
5489 (reload_cse_invalidate_rtx): Likewise.
5490 (reload_cse_regno_equal_p): Likewise.
5491 (reload_cse_check_clobber): Likewise.
5492 (reload_cse_record_set): Likewise.
5493 (reg_values): Delete static variable.
5494 (invalidate_regno_rtx): Likewise.
5495 (reload_cse_delete_noop_set): New static function.
5496 (reload_cse_simplify): New static function, broken out of
5498 (reload_cse_noop_set_p): Delete unused argument INSN.
5499 Just call rtx_equal_for_cselib_p on set source and destination.
5500 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5501 reload_cse_delete_noop_set. Delete code to keep track of values; use
5502 cselib functions instead. Delete code to push/pop obstacks.
5503 (reload_cse_simplify_set): Use cselib to find equivalent values.
5504 Delete code to push/pop obstacks.
5505 (reload_cse_simplify_operands): Likewise.
5506 * rtl.def (VALUE): New rtx code.
5507 * rtl.h (union rtunion_def): New elt rt_cselib.
5508 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5509 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5510 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5511 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5512 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5513 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5514 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5515 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5516 cselib_record_set, cselib_record_sets): New static functions.
5517 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5518 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5519 references_value_p): New functions.
5520 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5521 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5522 n_useless_values, reg_values, callmem, cselib_obstack,
5523 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5524 New static variables.
5525 * varray.h (union varray_data_tag): New elt te.
5526 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5527 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5530 2000-03-14 Nick Clifton <nickc@cygnus.com>
5532 * gcc.c (do_spec_1): Catch the case where %* is used in a
5533 substitution pattern, but it has not been initialised.
5534 Issue a meaningful error message if an unrecognised operator
5535 is encountered in a spec string.
5537 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5539 * function.c (prepare_function_start): Correctly initialize
5540 cfun->stack_alignment_needed.
5542 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5544 * cppfiles.c (find_include_file): Don't assume nshort is a
5547 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5549 * configure.in (hppa configurations): Add pa32-regs.h to the
5550 list of tm files as appropriate.
5551 * configure: Rebuilt.
5552 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5554 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5555 (fmpyaddoperands, fmpysuboperands): Likewise.
5556 * pa.h: Remove various definitions which depend on knowing
5557 how registers are numbered.
5558 * pa32-regs.h: New file with PA32 register numbering specific
5561 2000-03-14 Richard Henderson <rth@cygnus.com>
5563 * regmove.c (combine_stack_adjustments): New.
5564 (stack_memref_p, single_set_for_csa): New.
5565 (free_csa_memlist, record_one_stack_memref): New.
5566 (try_apply_stack_adjustment): New.
5567 (combine_stack_adjustments_for_block): New.
5568 * rtl.h (combine_stack_adjustments): Declare.
5569 * toplev.c (rest_of_compilation): Call it.
5571 * i386.md: Revert 2000-01-16 change.
5573 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5575 * gccbug.in: Add web category, gcc specific classes.
5577 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5579 * stor-layout.c (finalize_record_size): Fix typo.
5581 2000-03-14 Stan Shebs <shebs@apple.com>
5583 * c-typeck.c (c_alignof): Error on incomplete types.
5584 * extend.texi (Alignment): Document this.
5586 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5588 * cppfiles.c: Include mkdeps.h.
5589 (find_include_file, read_include_file): Remove _cpp_ prefix
5590 from name, make static.
5591 (_cpp_execute_include): New function, broken out of
5594 * cpplib.c: Don't include mkdeps.h.
5595 (struct directive): Remove type field. Reorder entries. The
5596 function takes only one argument.
5597 (struct if_stack): Make type field an int.
5598 (directive_table): Rename to dtable. Generate it, the
5599 prototypes of the directive handlers, and the enum for the
5600 directive numbers, from a template macro.
5601 (do_ifndef, do_include_next, do_import): New functions.
5602 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5603 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5604 do_ident, do_assert, do_unassert, do_sccs): Take only one
5606 (do_sccs): Define always, but alter behavior based on
5608 (_cpp_handle_directive, consider_directive_while_skipping):
5609 Restructure for new directive table layout.
5611 (pass_thru_directive): Take a directive number, not a pointer
5612 to a struct directive.
5613 (parse_include): New function, broken out of do_include.
5614 (do_include, do_import, do_include_next): Use parse_include
5615 and _cpp_execute_include.
5616 (do_elif, do_else): Test for T_ELSE specifically when checking
5617 for #elif/#else after #else.
5618 (parse_ifdef): New function, broken out of do_ifdef.
5619 (validate_else): Expect a name arg without a leading #.
5620 (if_directive_name): Delete.
5621 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5622 directive handlers with only one argument.
5624 * cpphash.h: Update prototypes.
5625 (enum node_type): Remove entries for directives.
5626 * Makefile.in: Update dependencies.
5628 * cpphash.c (dump_hash_helper): Only dump nodes of type
5629 T_MACRO. Emit a newline after each definition.
5631 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5633 * gccbug.in: New file.
5634 * configure.in (all_outputs): Add gccbug.
5635 * Makefile.in (install-common): Install gccbug.
5636 (GCCBUG_INSTALL_NAME): New variable.
5637 * configure: Rebuilt.
5639 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5641 * function.c (put_var_into_stack): Use type_for_mode to calculate
5642 part_type. Use MEM_SET_IN_STRUCT_P.
5643 * expr.c (store_field): Handle CONCAT.
5644 (store_constructor): Use fields_length.
5645 * tree.c (fields_length): New fn.
5646 * tree.h: Declare it.
5648 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5650 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5651 (cpplex.o): New target.
5652 * po/POTFILES.in: Add cpplex.c.
5654 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5655 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5656 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5657 skip_block_comment, skip_line_comment, skip_comment,
5658 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5659 _cpp_parse_name, skip_string, parse_string,
5660 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5661 _cpp_get_directive_token, find_position,
5662 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5663 (maybe_macroexpand, _cpp_lex_token): New functions.
5665 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5666 parse_goto_mark): Delete.
5667 (_cpp_handle_eof): New function.
5668 (_cpp_handle_directive): Rename from handle_directive.
5669 (_cpp_output_line_command): Rename from output_line_command.
5670 (do_if, do_elif): Call _cpp_parse_expr directly.
5671 * cppfiles.c (_cpp_read_include_file): Don't call
5672 init_input_buffer here.
5673 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5674 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5675 here; pop the token_buffer and skip the rest of the line here.
5676 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5679 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5681 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5682 CPP_GOTO_MARK): New macros.
5683 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5684 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5685 _cpp_read_and_prescan, _cpp_init_input_buffer,
5686 _cpp_grow_token_buffer, _cpp_get_directive_token,
5687 _cpp_handle_directive, _cpp_handle_eof,
5688 _cpp_output_line_command): Prototype them here.
5689 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5690 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5691 quote_string, output_line_command): Remove.
5693 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5695 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5696 whether it is too large we must also verify that it isn't negative.
5698 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5700 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5701 (movsi_zero_liveg0): Remove.
5702 (movsf_insn_novis_liveg0): Remove.
5704 (negsi2_not_liveg0): Rename to negsi2.
5705 (one_cmplsi2): Remove.
5706 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5707 (one_cmplsi2_liveg0): Remove.
5708 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5709 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5710 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5711 (PREDICATE_CODES): Remove zero_operand.
5712 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5713 TARGET_BROKEN_SAVERESTORE.
5714 (zero_operand): Remove.
5715 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5716 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5718 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5719 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5720 TARGET_BROKEN_SAVERESTORE): Remove.
5721 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5723 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5725 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5728 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5730 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5732 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5733 truncating a string. Don't assume tokens are nul terminated.
5734 Problem noted by Andreas Jaeger <aj@suse.de>
5736 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5738 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5739 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5740 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5742 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5744 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5745 STRUCTURE_SIZE_BOUNDARY.
5747 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5749 * tree.h (record_layout_info_s): New structure.
5750 (record_layout_info): New type.
5751 (new_record_layout_info): New function.
5752 (layout_field): Likewise.
5753 (finish_record_layout): Likewise.
5754 * stor-layout.c (layout_record): Remove.
5755 (new_record_layout_info): New function.
5756 (layout_field): New function, broken out from layout_record.
5757 (finalize_record_size): Likewise.
5758 (compute_record_mode): Likewise.
5759 (finalize_type_size): New function, broken out from layout_type.
5760 (finish_record_layout): Likewise.
5761 (layout_type): Use them.
5763 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5765 * cpphash.c: Don't include version.h.
5766 (special_symbol) [case T_VERSION]: Look for the string in
5767 hp->value.cpval; don't use version_string.
5768 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5769 __VERSION__ to version_string.
5770 * Makefile.in (cpphash.o): Update deps.
5772 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5774 Convert cpplib to use libiberty/hashtab.c.
5776 * cpplib.h (struct cpp_reader): Make hashtab and
5777 all_include_files of type 'struct htab *'. Delete HASHSIZE
5778 and ALL_INCLUDE_HASHSIZE macros.
5780 * cpphash.h: Update prototypes.
5781 (struct hashnode): Remove next, prev, and bucket_hdr members.
5782 Make length a size_t. Add hash member.
5783 (struct ihash): Remove next member. Add hash member. Make
5784 name a flexible array member.
5786 * cppfiles.c: Include hashtab.h.
5787 (include_hash): Delete.
5788 (IHASHSIZE): New macro.
5789 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5790 (cpp_included): Do the hash lookup here.
5791 (_cpp_find_include_file): Rewrite.
5792 (cpp_read_file): Put the "fake" hash entry into the hash
5793 table. Honor the control_macro, if it turns out we've seen
5794 the file before. Don't push the buffer here.
5795 (_cpp_read_include_file): Push the buffer here.
5796 (OMODES): New macro. Use it whenever we call open(2).
5798 * cpphash.c: Include hashtab.h.
5799 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5800 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5801 _cpp_lookup_slot): New functions.
5802 (HASHSIZE): new macro.
5803 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5804 (_cpp_lookup): Use hashtab.h routines.
5806 * cppinit.c: Include hashtab.h.
5807 (cpp_reader_init): Call _cpp_init_macro_hash and
5808 _cpp_init_include_hash. Don't allocate hashtab directly.
5809 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5810 pfile->all_include_files.
5811 (initialize_builtins): Use _cpp_make_hashnode and
5812 htab_find_slot to add hash entries.
5813 (cpp_finish): Just call _cpp_dump_macro_hash.
5814 * cpplib.c: Include hashtab.h.
5815 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5816 create hash entries.
5817 (do_pragma_poison, do_assert): Likewise.
5818 (do_include): Don't push the buffer here. Don't increment
5819 system_include_depth unless _cpp_read_include_file succeeds.
5820 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5822 (do_pragma_implementation): Use alloca to create copy.
5824 * Makefile.in: Update dependencies.
5826 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5828 * cppinit.c (cl_directive_handler): More K&R fixing.
5830 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5832 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5834 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5836 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5838 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5839 Change from char[] to macros.
5841 2000-03-12 Neil Booth <NeilB@earthling.net>
5843 * cppinit.c (cpp_start_read): Update indirect function
5846 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5848 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5851 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5852 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5854 2000-03-11 Neil Booth <NeilB@earthling.net>
5856 * cppinit.c (struct pending option): Replace undef with a
5857 pointer to a directive handling routine.
5858 (struct cpp_pending): Replace separate assert_ and define_
5859 lists with one directive_ list.
5860 (new_pending_define): Rename new_pending_directive. Extra
5861 argument is the directive's handling routine.
5862 (handle_option): Update to use new_pending_directive.
5864 2000-03-11 Neil Booth <NeilB@earthling.net>
5866 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5867 remap_filename, _cpp_read_include_file, actual_directory,
5868 hack_vms_include_specification): Replace bcopy(), index() etc
5869 calls. Add casts to some allocations. Make some variables
5870 pointers to const [unsigned] char.
5871 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5872 collect_formal_parameters): Similarly.
5873 * cppinit.c (struct pending_option, append_include_chain,
5874 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5875 cpp_start_read, new_pending_define, handle_option): Similarly.
5876 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5877 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5878 do_pragma_implementation, detect_if_not_defined,
5879 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5880 do_assert, do_unassert): Similarly.
5881 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5882 function prototypes.
5883 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5885 2000-03-10 Richard Henderson <rth@cygnus.com>
5887 * builtins.c (expand_builtin_strlen): Revert last change.
5888 Use emit_insn_before if we're at the beginning of a sequence.
5890 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5892 * builtins.c (expand_builtin_strlen): Make sure that we have something
5893 at the beginning of the sequence.
5895 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5898 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5900 2000-03-10 Richard Henderson <rth@cygnus.com>
5902 * except.c (can_throw): Use INTVAL on a CONST_INT.
5903 (reachable_handlers): Likewise.
5904 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5906 2000-03-10 Andreas Jaeger <aj@suse.de>
5908 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5909 MD_STARTFILE_PREFIX since those are not needed on linux.
5910 (ASM_FILE_START): New, from mips/gnu.h.
5912 2000-03-09 Richard Henderson <rth@cygnus.com>
5913 Alex Samuel <samuel@codesourcery.com> and others
5915 * Makefile.in (ssa.o): New rule.
5917 (STAGESTUFF): Add *.ssa and *.ussa.
5918 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5919 * rtl.def (PHI): New RTL expression.
5920 * rtl.h (clear_log_links): New declaration.
5921 (convert_to_ssa): Likewise.
5922 (convert_from_ssa): Likewise.
5923 * flow.c (split_edge): If the entry node falls through to the
5924 split edge's source block, split the entry edge.
5925 (clear_log_links): New function.
5926 * toplev.c (ssa_dump): New variable.
5927 (flag_ssa): Likewise.
5928 (f_options): Add "ssa".
5929 (compile_file): Create SSA dump files.
5930 (rest_of_compilation): Go to and from SSA if enabled.
5931 (decide_d_option): Handle -de for SSA dump files.
5934 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5936 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5939 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5941 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5943 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5945 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5946 (MD_STARTFILE_PREFIX_1): New macro.
5948 2000-03-09 Robert Lipe <robertl@sco.com>
5950 * config/ia64/ia64.c: Include system.h.
5952 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5954 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5955 (init_eh_nesting_info): Likewise.
5957 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5958 (TREE_NOTHROW): Rename from TREE_RAISES.
5959 * toplev.c (rest_of_compilation): Set it.
5960 * print-tree.c (print_node): Adjust.
5961 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5962 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5963 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5964 REG_EH_REGION note as appropriate.
5965 (libfunc_nothrow): New fn.
5966 (emit_library_call, emit_library_call_value): Use it.
5967 (expand_call): Check TREE_NOTHROW.
5969 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5970 DECL_ASSEMBLER_NAME.
5972 2000-03-09 Andreas Jaeger <aj@suse.de>
5974 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5975 (TARGET_MEM_FUNCTIONS): Define.
5977 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5979 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5981 * except.c (can_throw): See through a SEQUENCE.
5982 (nothrow_function_p): New fn.
5983 * except.h: Declare it.
5984 * function.c (current_function_nothrow): New var.
5985 (prepare_function_start): Initialize it.
5986 * output.h: Declare it.
5987 * toplev.c (rest_of_compilation): Set it.
5988 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5990 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5992 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5993 match. (cpp_compare_defs): Count the nul separator when
5994 advancing over argument names.
5996 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5998 * recog.c (preprocess_constraints): Matching constraints affect
5999 same alternative/different operand, not same operand/different
6002 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6003 register and a constant specially.
6005 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * libgcc2.h: New file.
6008 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6010 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6012 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6013 * configure: Regenerate.
6016 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6018 * Makefile.in (LIBCPP_DEPS): New macro.
6019 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6021 * cpperror.c: Include cpphash.h.
6022 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6024 (lex): Don't use CPP_WARN_UNDEF.
6025 (_cpp_parse_expr): Return an int, the truth value.
6026 * cppfiles.c: Include cpphash.h.
6027 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6028 * cppinit.c (include_defaults_array): Disentangle.
6029 (cpp_cleanup): Don't free the if stack here.
6030 (cpp_finish): Pop off all buffers, not just one.
6031 * cpplib.c (eval_if_expr): Return int.
6032 (do_xifdef): Rename do_ifdef.
6033 (handle_directive): Don't use CPP_PREPROCESSED.
6034 (cpp_get_token): Don't use CPP_C89.
6035 * fix-header.c: Don't use CPP_OPTIONS.
6037 * cpplib.h: Move U_CHAR, enum node_type, struct
6038 file_name_list, struct ihash, is_idchar, is_idstart,
6039 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6040 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6041 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6042 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6043 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6044 of _cpp_simplify_pathname, _cpp_find_include_file,
6045 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6046 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6048 Change all uses of U_CHAR to be unsigned char instead.
6049 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6051 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6053 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6054 (dwarf2out_begin_prologue): Set it.
6055 (output_call_frame_info): Don't emit EH unwind info for leaves.
6057 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6058 can occur outside of an EH region.
6059 * except.c: Correct comments about rethrow behavior.
6060 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6062 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6064 * flow.c (make_edges): Always call make_eh_edge for calls.
6066 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6068 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6069 (struct cpp_buffer): Remove fname and underflow fields.
6070 (struct cpp_reader): Remove get_token field.
6071 (struct include_hash): Rename to struct ihash. Add typedef to
6073 (struct if_stack): Remove fname field.
6074 (IF_STACK_FRAME): Rename to IF_STACK.
6076 * cpperror.c (print_containing_files): Trust that there are no
6077 macro buffers below the top file buffer.
6078 * cppfiles.c: Replace all references to 'struct include_hash'
6079 with 'IHASH'. Rename initialize_input_buffer to
6080 init_input_buffer. Don't set or reference cpp_buffer->fname,
6081 use buffer->ihash->name instead.
6082 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6083 not CPP_NULL_BUFFER.
6084 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6085 IF_STACK_FRAME, IHASH not struct include_hash.
6086 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6087 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6088 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6089 references to cpp_buffer->fname (delete entirely, or use
6090 ->ihash->name instead) and IF_STACK->fname.
6091 (cpp_push_buffer): Don't set new->underflow.
6092 (do_include): Use cpp_file_buffer.
6094 * cpphash.c (collect_formal_parameters): Remove duplicate
6095 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6096 used as a macro argument name. Don't append "..." to namebuf
6097 for varargs macros. After we're done scanning, go through
6098 namebuf and make it NUL separated, not comma separated.
6099 (_cpp_compare_defs): Remove register tag from variables.
6100 Expect defn->argnames to be NUL separated.
6101 (_cpp_dump_definition): Expect defn->argnames to be NUL
6102 separated and in forward order.
6103 * cpphash.h: Update documentation of argnames field.
6105 2000-03-08 Richard Henderson <rth@cygnus.com>
6107 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6108 to fail. Don't pre-expand the source operand.
6110 * i386.md (strlensi): Initialize eoschar and align before use.
6112 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6114 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6115 CONSTRUCTOR element.
6117 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6119 * mips.c (mips_expand_prologue): If the last
6120 named argument is the vararg marker "va_list", treat it as
6121 an unnamed argument.
6123 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6125 * dbxout.c (dbxout_parms): When correcting for promoted
6126 big-endian parameters, use the mode of the DECL_RTL rather
6127 than UNITS_PER_WORD.
6129 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6131 * c-common.h (make_fname_decl): Declare.
6132 * c-common.c (make_fname_decl): Define.
6133 (declare_hidden_char_array): Remove.
6134 (declare_function_name): Use make_fname_decl.
6135 * c-decl.c (c_make_fname_decl): New function.
6136 (init_decl_processing): Set make_fname_decl.
6138 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6140 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6142 2000-03-07 Philipp Thomas <pthomas@suse.de>
6144 * po/POTFILES.in: Remove cppalloc.c from file list.
6146 2000-03-07 Steve Chamberlain <sac@pobox.com>
6148 * pj.c (pj_expand_prologue): current_function->args_info is
6149 now current_function_args_info.
6151 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6152 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6153 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6155 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6157 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6158 output as hexadecimal rather than the default octal.
6160 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6162 * cpphash.c (special_symbol): Fix thinko in previous commit.
6164 2000-03-07 Neil Booth <NeilB@earthling.net>
6166 * cppexp.c (struct operation, left_shift, right_shift,
6167 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6168 "int"s to "unsigned int"s.
6169 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6171 * cpplib.h: Update for above.
6172 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6173 returned from allocations.
6175 * cppinit.c (opt_comp, parse_options): New functions.
6176 (handle_option): Use parse_option to parse a single command
6177 line option, that possibly takes an argument.
6178 (cpp_handle_options): Sort the array of command line options on
6179 first invocation (non-ASCII hosts only).
6180 (print_help): Update.
6182 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6184 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6185 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6187 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6189 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6191 * cpperror.c (cpp_print_containing_files,
6192 cpp_print_file_and_line, v_cpp_message): Rename to
6193 print_containing_files, print_file_and_line, and v_message.
6194 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6195 to _cpp_parse_expr, parse_escape, and lex.
6196 (parse_charconst): Remove broken multibyte support.
6197 * cppfiles.c (include_hash): Make static.
6198 (cpp_included): New function.
6199 (merge_include_chains, find_include_file, finclude,
6200 simplify_pathname): Rename to _cpp_merge_include_chains,
6201 _cpp_find_include_file, _cpp_read_include_file, and
6202 _cpp_simplify_pathname.
6203 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6204 cpp_install, create_definition, macroexpand, compare_defs,
6205 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6206 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6207 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6208 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6210 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6212 * cpphash.h: Update prototypes.
6213 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6215 2000-03-07 Andrew Haley <aph@cygnus.com>
6217 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6218 PTRDIFF_TYPE should be based solely on Pmode.
6221 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6223 * rtl.h (rtunion_def): Constify member `rtstr'.
6224 (emit_line_note_after, emit_line_note, emit_line_note_force,
6225 emit_note, decode_asm_operands): Constify.
6227 * cse.c (canon_hash): Likewise.
6229 * dbxout.c (dbxout_block): Likewise.
6231 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6232 v_warning_for_asm): Likewise.
6234 * dwarfout.c (function_start_label): Likewise.
6236 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6237 emit_line_note_force): Likewise.
6239 * final.c (last_filename, asm_insn_count, final_scan_insn,
6240 output_source_line): Likewise.
6242 * function.h (struct emit_status): Likewise.
6244 * gcse.c (hash_expr_1): Likewise.
6246 * genattr.c (gen_attr, main): Likewise.
6248 * genattrtab.c (struct function_unit, current_alternative_string,
6249 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6250 attr_numeral, check_attr_test, check_attr_value,
6251 convert_set_attr_alternative, convert_set_attr,
6252 compute_alternative_mask, simplify_by_exploding, gen_attr,
6253 gen_unit): Likewise.
6255 * genflags.c (gen_insn): Likewise.
6257 * gengenrtl.c (type_from_format): Likewise.
6259 * genopinit.c (gen_insn): Likewise.
6261 * genoutput.c (n_occurrences, process_template, process_template):
6264 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6267 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6270 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6271 ggc_set_mark, ggc_get_size): Likewise.
6273 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6275 * optabs.c (init_one_libfunc): Likewise.
6277 * output.h (assemble_start_function): Likewise.
6279 * recog.c (decode_asm_operands): Likewise.
6281 * toplev.c (rest_of_compilation): Likewise.
6283 * tree.h (emit_line_note_after, emit_line_note,
6284 emit_line_note_force): Likewise.
6286 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6287 asm_emit_uninitialised, assemble_start_function,
6288 assemble_variable, const_hash, compare_constant_1,
6289 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6291 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6293 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6295 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6297 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6299 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6300 arm_dllimport_name_p): Likewise.
6302 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6305 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6307 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6309 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6310 arm_mark_dllexport, arm_mark_dllimport,
6311 arm_pe_encode_section_info): Likewise.
6313 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6314 ASM_FINISH_DECLARE_OBJECT): Likewise.
6316 * arm/thumb.c (thumb_function_prologue): Likewise.
6318 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6320 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6322 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6324 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6326 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6328 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6330 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6331 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6333 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6335 * i386/i386.c (asm_output_function_prefix): Likewise.
6337 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6339 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6341 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6343 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6344 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6345 ASM_OUTPUT_SECTION_NAME): Likewise.
6347 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6349 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6351 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6353 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6355 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6357 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6359 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6361 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6363 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6365 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6367 * mips/mips.md (movdi, movsi): Likewise.
6369 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6371 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6373 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6375 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6376 ASM_OUTPUT_ASCII): Likewise.
6378 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6379 output_mi_thunk, output_toc): Likewise.
6381 * rs6000/rs6000.md (movsi): Likewise.
6383 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6385 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6387 * v850/v850.c (print_operand, print_operand_address,
6388 v850_encode_data_area): Likewise.
6390 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6392 * config/mips/mips.md (zero_extendsidi2): Always force operand
6393 one to memory for mips16.
6395 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6397 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6398 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6399 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6400 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6401 (min_precision): Result is unsigned.
6402 (add_double, neg_double, mul_double): Low word is unsigned.
6403 (lshift_double, rshift_double, lrotate_double): Likewise.
6404 (rrotate_double, div_and_round_double): Likewise.
6405 (tree_floor_log2, compare_tree_int): New functions.
6406 (preserve_rtl_expr_temps): New declaration.
6407 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6408 (decl_attributes): Use tree_log2 to find alignment.
6409 Check for TREE_INT_CST_HIGH for format args.
6410 (min_precision): Now unsigned.
6411 Use tree_floor_log2.
6412 (truthvalue_conversion): Delete long-disabled code.
6413 * c-decl.c (finish_struct): Clean up tests on field width.
6414 (finish_function): Use compare_tree_int.
6415 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6416 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6417 (default_conversion, digest_init): Use compare_tree_int.
6418 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6419 Fix type errors in forming masks.
6420 * calls.c (initialize_argument_information): Use compare_tree_int.
6421 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6422 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6423 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6424 (store_field): Use compare_tree_int.
6425 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6426 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6427 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6428 (do_store_flag): Use compare_tree_int.
6429 * fold-const.c (encode, decode): Low part is always unsigned.
6430 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6431 (lshift_double, rshift_double, lrotate_double): Likewise.
6432 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6433 (fold_convert): Use compare_tree_int.
6434 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6435 (invert_truthvalue, case INTEGER_CST): Likewise.
6436 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6437 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6438 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6439 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6441 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6442 (expand_end_case): Use compare_tree_int.
6443 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6444 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6445 (layout_decl): Likewise.
6446 (layout_record, layout_union): Make sizes unsigned.
6447 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6448 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6449 * tree.c (struct type_hash): hashcode is unsigned.
6450 (build_type_attribute_variant, type_hash_list): Likewise.
6451 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6452 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6453 (build_complex_type): Likewise.
6454 (real_value_from_int_cst): Remove unneeded casts.
6455 (integer_all_onesp): Add casts.
6456 (tree_floor_log2, compare_tree_int): New functions.
6457 (build_index_type): Use tree_int_cst_sgn.
6458 * varasm.c (assemble_variable): Use compare_tree_int.
6460 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6462 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6464 * varasm.c (make_decl_rtl): Don't add a number to members of
6466 (make_function_rtl): Likewise.
6468 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6470 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6471 patch from 2000-01-28.
6473 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6475 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6476 filled with an insn from the jump target.
6478 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6480 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6481 (c4x_external_ref): Likewise.
6482 * config/c4x/c4x.c (struct name_list): Likewise.
6484 1999-12-16 Ben Collins <bcollins@debian.org>
6486 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6487 argument to genmultilib.
6488 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6489 the contents into the multilib.h header.
6490 * gcc.c: Declare multilib_exclusions for the specs file.
6491 (set_multilib_dir): Use it.
6492 (print_multilib_info): Likewise.
6493 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6494 to pass to genmultilib.
6496 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6498 * builtins.c (built_in_class_names, built_in_names): Constify a
6501 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6503 (_mcleanup): Ensure value matches format specifier in sprintf.
6505 * cpphash.c (special_symbol): Don't needlessly cast away
6508 * cppinit.c (base_name): Delete unused prototype.
6510 * mkdeps.c (deps_init): Make definition K&R safe.
6512 * tree.h (built_in_class_names, built_in_names): Constify a
6515 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6517 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6518 floating point instructions for epilogue delay.
6520 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6521 to gas if it supports .register pseudo.
6523 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6524 LONG_DOUBLE_TYPE_SIZE if not defined.
6525 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6526 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6528 * gengenrtl.c: Likewise.
6529 * print-rtl.c: Likewise.
6531 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6532 MASK_LONG_DOUBLE_128.
6533 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6534 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6535 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6536 (SUBTARGET_SWITCHES): Define.
6537 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6538 with -mlong-double-128.
6539 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6540 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6541 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6542 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6543 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6544 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6545 with -mlong-double-128.
6546 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6547 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6548 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6549 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6550 TARGET_LONG_DOUBLE_128): Define.
6551 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6552 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6553 long double on TARGET_ARCH64.
6555 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6557 * function.c (free_temps_for_rtl_expr): Don't free slots
6558 that have been pushed into a higher level.
6561 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6563 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6565 * basic-block.h (ALLOCA_REG_SET): Remove.
6566 (INITIALIZE_REG_SET): New macro.
6567 * flow.c (update_life_info): Use it.
6568 (calculate_global_regs_live): Likewise.
6569 (propagate_block): Likewise.
6570 * global.c (build_insn_chain): Likewise.
6571 * haifa-sched.c (schedule_region): Likewise.
6573 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6575 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6576 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6577 (DWARF_ARANGES_PAD_SIZE): New define.
6578 (output_aranges): Use it to pad the address range header.
6579 (DWARF_ROUND): Fix for non power of 2 rounding.
6581 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6583 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6585 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6587 * tree.def (RTL_EXPR): Update documentation.
6588 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6589 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6590 * function.c (preserve_rtl_expr_temp): New function.
6591 (preserve_rtl_expr_temps): Likewise.
6592 (preserve_rtl_expr_result): Use it.
6595 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6597 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6599 * regmove.c (copy_src_to_dest) Do not create src->dest move
6600 for unchanging destination.
6602 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6604 * function.h (struct sequence_stack): Remove rtl_expr.
6605 (struct emit_staus): Likewise.
6606 (seq_rtl_expr): Remove.
6607 * tree.h (free_temps_for_rtl_expr): Don't declare.
6608 (start_sequence_for_rtl_expr): Likewise.
6609 * rtl.h (preserve_rtl_expr_result): Likewise.
6610 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6611 (start_sequence_for_rtl_expr): Remove.
6612 (push_topmost_sequence): Don't save sequence_rtl_expr.
6613 (pop_topmost_sequence): Remove comment about not restoring it.
6614 (end_sequence): Don't set seq_rtl_expr.
6615 (init_emit): Don't initialize it.
6616 (mark_sequence_stack): Don't mark it.
6617 (mark_emit_status): Likewise.
6618 * except.c (protect_with_terminate): Use
6619 start_sequence_for_rtl_expr, not start_sequence.
6620 * expr.c (expand_expr, case RTL_EXPR): Don't call
6621 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6622 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6623 (preserve_rtl_expr_result): Remove.
6624 (free_temps_for_rtl_expr): Likewise.
6625 (pop_temp_slots): Likewise.
6626 (mark_temp_slot): Don't mark the rtl_expr.
6627 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6628 start_sequence_for_rtl_expr.
6630 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6632 * mkdeps.c, mkdeps.h: New files.
6633 * po/POTFILES.in: Add them.
6634 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6635 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6636 (mkdeps.o): New target.
6638 * cppfiles.c: Delete deps_output.
6639 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6640 OBJECT_SUFFIX, and base_name.
6641 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6643 (initialize_dependency_output): Use deps_init,
6644 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6645 all the unnecessary string bashing.
6646 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6648 * cpplib.c (do_include): Use deps_add_dep.
6649 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6650 deps_allocated_size, deps_size, deps_column members with
6651 single pointer to a struct deps. Delete prototype of
6654 * cppinit.c: Fix thinko in previous patch.
6656 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6658 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6659 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6660 (mode_for_size_tree): New function.
6661 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6662 * tree.h (mode_for_size_tree): New declaration.
6664 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6666 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6668 * stmt.c (is_body_block): Move...
6669 * dwarfout.c, dwarf2out.c: ...from here.
6670 * tree.h: Declare it.
6671 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6672 * final.c (final_start_function): Do call remove_unnecessary_notes
6675 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6677 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6679 * cpplib.h (_dollar_ok): New macro.
6680 (is_idchar, is_idstart): Use it.
6681 (IStable): Rename to _cpp_IStable. Declare it const if
6682 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6683 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6684 is_space): Update for renamed IStable.
6686 * cppinit.c: Delete all references to FAKE_CONST and CAT
6687 macros. Define init_IStable as empty macro if gcc >=2.7 or
6688 C99. Change TABLE() to ISTABLE and hardcode name of table.
6689 (cpp_start_read): Don't change the IStable based on
6692 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6693 changed. Handle '$' for char1 correctly.
6694 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6696 * cppexp.c (tokentab2): Make const.
6697 (cpp_lex): Make toktab const.
6698 * cppinit.c (include_defaults_array): Make const.
6699 (initialize_standard_includes): Make default_include const.
6701 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6703 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6704 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6705 (gen_decl_die): Likewise.
6706 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6707 (output_decl): Likewise.
6709 * varasm.c (make_function_rtl): If we change the name used in the
6710 rtl, update DECL_ASSEMBLER_NAME accordingly.
6711 (make_decl_rtl): Likewise.
6713 * toplev.c (rest_of_compilation): Tweak formatting.
6715 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6716 remove_unnecessary_notes.
6717 (debug_ignore_block): New fn.
6718 * toplev.h: Declare it.
6719 * emit-rtl.c (remove_unncessary_notes): Call it.
6720 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6721 * dwarf2out.h: Declare it.
6722 * final.c (final_start_function): Don't call remove_unnecessary_notes
6723 if we did insn scheduling.
6725 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6727 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6728 * cpplib.h: Delete SET_CPP_PEDANTIC.
6730 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6732 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6733 result is a RECORD_TYPE.
6735 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6737 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6739 2000-03-03 Richard Henderson <rth@cygnus.com>
6741 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6742 addition over compliments over shifts.
6744 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6746 * reload1.c (reload_combine_note_use): Handle return register USEs.
6747 REG case: Handle multi-hard-register hard regs.
6749 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6751 * md.texi: Document use of '*' in insn pattern name.
6753 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6755 * calls.c (special_function_p): operator new may not be malloc-like.
6757 * gcse.c (dump_hash_table): Really fix error in last change.
6759 2000-03-02 Denis Chertykov <denisc@overta.ru>
6761 * avr.c (print_operand): Use print_operand_address instead of
6763 * avr/libgcc.S: Cleanup code.
6765 2000-03-02 Richard Henderson <rth@cygnus.com>
6767 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6769 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6771 * tree.h (TYPE_ALIGN_UNIT): New macro.
6773 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6775 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6777 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6779 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6781 (SET_CPP_PEDANTIC): New macro.
6782 * cpplib.c (do_include): Don't bother checking system_header_p.
6783 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6784 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6786 * function.h (struct expr_status): Add x_arg_space_so_far.
6787 (arg_space_so_far): New macro.
6788 * expr.c (init_expr): Initialize it.
6789 * calls.c (emit_call_1): Reset it.
6790 (compute_argument_block_size, expand_call): Use it.
6791 (expand_call, store_one_arg): Increment it.
6793 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6795 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6798 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6800 * cppfiles.c (cpp_read_file): New function.
6802 * cpphash.c (collect_expansion): Make sure to reset last_token
6803 to NORM when we hit a string. Handle trailing whitespace
6804 properly when the expansion is empty.
6805 (create_definition): Disable line commands while parsing the
6807 (dump_definition): If pfile->lineno == 0, output a line
6808 command ahead of the dump, and add a trailing newline.
6810 * cppinit.c (append_include_chain): Add fifth argument, which
6811 indicates whether or not system headers are C++ aware.
6812 (initialize_standard_includes): New function,
6813 broken out of read_and_prescan. Pass 'cxx_aware' value from
6814 the include_defaults_array on to append_include_chain.
6815 (dump_special_to_buffer): Const-ify char array.
6816 (builtin_array): Don't dump __BASE_FILE__.
6817 (cpp_start_read): Use cpp_read_file. Reorder code for
6818 clarity. Don't output line commands here for -D/-A/-U
6819 switches. Don't call deps_output for files included with
6820 -include or -imacros.
6822 * cpplib.c (do_define): Don't pay any attention to the second
6824 (cpp_expand_to_buffer): Disable line commands while scanning.
6825 (output_line_command): Work in the file buffer.
6826 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6827 Fix formatting of comments. Prototype cpp_read_file.
6829 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6831 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6832 reference the language-equivalent of sizetype.
6833 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6834 * fold-const.c (size_binop, size_diffop): Put back checks.
6835 * gcse.c (dump_hash_table): Fix minor error in last change.
6836 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6837 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6840 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6842 * calls.c (expand_call) Do not attempt to combine stack adjustments
6843 with inhibit_defer_pop set.
6845 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6847 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6848 the DECL_SIZE for a FIELD_DECL.
6850 2000-03-01 Bruce Korb <bkorb@gnu.org>
6852 * fixinc/inclhack.tpl: remove unused symlinks
6853 * fixinc/README: GCC Maintainer info
6854 * fixinc/inclhack.sh: regen
6855 * fixinc/fixincl.sh: regen
6857 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6859 * cpphash.c (collect_expansion): Trim trailing white space
6860 from macro definitions, but don't go past the last insertion
6863 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6865 * i386.md (mulqi3): New pattern.
6867 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6869 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6871 (struct cpp_reader): Add parsing_if_directive and
6872 parsing_define_directive flags.
6873 (struct cpp_options): Remove output_conditionals flag.
6874 (check_macro_name): Delete prototype.
6876 * cpphash.h (struct macrodef): Delete.
6877 (struct reflist): Separate from struct definition.
6878 (struct definition): Remove unused fields. Add column number.
6879 (create_definition): Returns a DEFINITION *. Takes a
6880 cpp_reader * and an int.
6882 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6883 (PEEKC): Copy defn from cpplib.c.
6884 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6886 (struct arglist): Simplify.
6887 (collect_expansion): Rewrite. Get tokens by calling
6888 cpp_get_token. Add more error checking.
6889 (collect_formal_parameters): New function, broken out of
6890 create_definition and reworked to use get_directive_token.
6891 (create_definition): All real work is now in collect_expansion
6892 and collect_formal_parameters. do_define handles finding the
6893 macro name. Return a DEFINITION, not a MACRODEF.
6894 (macroexpand): Replace bcopy with memcpy throughout. Replace
6895 character-at-a-time copy loop with memcpy and pointer increments.
6896 (compare-defs): d1->argnames / d2->argnames might be null.
6898 * cpplib.c (copy_rest_of_line): Delete function.
6899 (skip_rest_of_line): Do all the work ourselves.
6900 (skip_string): New function.
6901 (parse_string): Use skip_string.
6902 (get_macro_name): New function.
6903 (check_macro_name): Delete.
6904 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6905 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6906 (handle_directive): ICE if we're called on a macro buffer.
6907 (do_define): Determine macro name and type (funlike/objlike)
6908 here. Expunge all uses of MACRODEF.
6909 (cpp_push_buffer): Set line_base to NULL.
6910 (do_undef, read_line_number): Don't worry about getting a POP token.
6911 (eval_if_expression): Set/reset parsing_if_directive around
6912 cpp_parse_expr. Don't clear only_seen_white.
6913 (skip_if_group): Remove output_conditionals logic. Use
6915 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6916 tokens under appropriate conditions.
6917 (cpp_unassert): Call do_unassert not do_assert. Oops.
6919 * cppexp.c (parse_defined): New function, break out of
6921 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6922 ourselves, with cpp_defined.
6923 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6925 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6926 * gcc.dg/strpaste-2.c: New.
6928 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6930 * fold-const.c (size_binop): Don't asert inputs are the same and
6931 have TYPE_IS_SIZETYPE set.
6932 (size_diffop): Likewise.
6934 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6936 * dwarfout.c (output_block): Output abstract blocks even if they
6937 don't have TREE_ASM_WRITTEN set.
6939 * calls.c (emit_library_call): Check for null REG.
6941 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6943 * c-decl.c (current_function_decl): Move to toplev.c.
6944 (init_decl_processing): Don't add current_function_decl as a ggc
6946 * dbxout.c (dbxout_symbol): Change return type to int.
6947 (dbxout_symbol_location, dbxout_syms): Likewise.
6948 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6949 any locals. Use current_function_func_begin_label if set.
6950 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6951 * dwarf2out.c (dwarf2out_begin_prologue): Set
6952 current_function_func_begin_label.
6953 * final.c (final_start_function): Reset it.
6954 * toplev.c (current_function_decl): Define it here.
6955 (current_function_func_begin_label): New variable.
6956 (main): Add both as ggc roots.
6957 * tree.h (current_function_func_begin_label): Declare.
6959 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6961 * gcse.c: Cleanups throughout: mostly white-space, but also
6962 some minor rearrangement of code.
6964 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6966 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6967 returns a PARALLEL. Use emit_group_load and use_group_regs
6969 (emit_library_call_value): Similarly.
6971 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6972 * pa/quadlib.asm: Remove.
6973 * pa/quadlib.c: New file.
6975 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6976 * configure: Rebuilt.
6978 2000-02-29 Philip Blundell <pb@futuretv.com>
6980 * config/arm/conix-elf.h: New file.
6981 * configure.in (arm*-*-conix*): New configuration.
6982 * configure: Regenerate.
6984 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6986 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6987 don't have TREE_ASM_WRITTEN set.
6989 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * Eliminate DECL_FIELD_SIZE.
6992 * builtins.c (built_in_class_names, built_in_names): New variables.
6993 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6994 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6995 DECL_SIZE, not DECL_FIELD_SIZE.
6996 * print-tree.c (print_node): Remove code that prints extra blank
6997 lines in some cases.
6998 Properly handle inline and builtin function cases.
6999 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7000 * tree.h (built_in_class_named, built_in_names): New declarations.
7001 (union tree_decl): Rename internal unions to u1 and u2 and change
7002 some of their components.
7003 Add new field built_in_class.
7004 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7005 Reflect above changes.
7006 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7007 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7008 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7009 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7011 2000-02-28 Dmitri Makarov <dim@windriver.com>
7013 * extend.texi: Document ARM's support for long/short calls.
7015 * invoke.texi: Document ARM's -mlong-calls command line switch.
7017 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7018 (arm_encode_call_attribute): Add prototype.
7019 (arm_set_default_type_attribute): Add prototype.
7020 (arm_strip_name_encoding): Add prototype.
7022 * config/arm/arm.c (arm_init_cumulative_args): replace
7023 initialisation og 'long_calls' field with initialisation of
7024 'call_cookie' field.
7025 (enum arm_pragma_enum): New enum.
7026 (arm_pragma_long_calls): New static variable.
7027 (arm_process_pragma): Also process "#pragma long_calls_off".
7028 (arm_valid_type_attribute_p): Accept short_call attribute.
7029 (arm_comp_type_attributes): Check long/short call attributes.
7030 (arm_encode_call_attribute): New function: Encode long_call
7031 or short_call attribute in function name.
7032 (arm_set_default_type_attributes): New function: Assign
7033 default attributes to newly defined type.
7034 (current_file_function_operand): New function: Return true if
7035 the symbol is a function which has already been compiled.
7036 (arm_is_longcall_p): New function: Return true if the
7037 indicated function should be called via a long call.
7038 (arm_get_strip_length): New function. Returns number of
7039 prefix characters to be stripped from a function's name.
7040 (arm_strip_name_encoding): New function. Strip prefix characters
7041 from a function's name.
7043 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7045 (SHORT_CALL_FAG_CHAR): Define.
7046 (LONG_CALL_FAG_CHAR): Define.
7047 (ENCODED_SHORT_CALL_ATTR_P): Define.
7048 (ENCODED_LONG_CALL_ATTR_P): Define.
7049 (ARM_NAME_ENCODING_LENGTHS): Define.
7050 (STRIP_NAME_ENCODING): Define.
7051 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7052 (ARM_ENCODE_CALL_TYPE): Define.
7053 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7054 (ARM_DECLARE_FUNCTION_SIZE): Define.
7055 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7057 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7058 if a long call is needed.
7059 (call_value): Ditto.
7060 (call_symbol): Ditto.
7062 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7063 ARM_DECLARE_FUNCTION_SIZE.
7065 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7066 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7067 (ARM_STRIP_NAME_ENCODING): Undefine.
7068 (STRIP_NAME_ENCODING): Undefine.
7069 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7070 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7071 (ASM_OUTPUT_COMMON): Ditto.
7072 (ASM_DECLARE_OBJECT_NAME): Ditto.
7074 * config/arm/pe.c (arm_dllexport_name_p): Check for
7076 (arm_dllimport_name_p): Ditto.
7077 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7078 (arm_mark_dllimport): Ditto.
7080 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7082 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7084 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7086 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7088 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7090 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7091 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7092 NO_BUILTIN_WCHAR_TYPE is not defined.
7093 (CPP_WCHAR_TYPE): Delete.
7094 * cccp.c (main): Don't change wchar_type if cplusplus.
7095 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7097 2000-02-28 Nick Clifton <nickc@cygnus.com>
7099 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7101 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7103 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7104 (ASM_WEAKEN_LABEL): Define.
7106 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7108 * expr.c (store_constructor): Do not emit USE.
7109 * rtl.h (stupid_life_analysis): Remove.
7111 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7113 * function.c (number_blocks): Reset next_block_index based on
7114 what debugging format is used, not what is defined.
7116 * lcm.c: Minor reformatting throughout.
7117 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7119 * toplev.c (rest_of_compilation): Account for time in
7120 optimize_mode_switching.
7122 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7123 if only marking labels.
7125 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7127 * calls.c (expand_call): Attempt to combine stack adjustments with
7128 pending stack adjustments.
7130 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7132 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7133 to the end of the function.
7135 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7137 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7139 * final.c (next_block_index): Remove.
7140 (max_block_depth): Likewise.
7141 (pending_blocks): Likewise.
7142 (init_final): Don't initialize them.
7143 (final_start_function): Don't set next_block_index. Set up
7145 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7146 * function.h (number_blocks): New function.
7147 * function.c (get_block_vector): New function.
7148 (identify_blocks): Use it.
7149 (reorder_blocks): Set NOTE_BLOCK.
7150 (number_blocks): New function.
7151 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7152 * tree.h (BLOCK_NUMBER): New macro.
7153 (tree_block): Add block_num field.
7154 * dbxout.c (next_block_number): Remove.
7155 (dbxout_init): Don't set it.
7156 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7157 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7159 * toplev.c (rest_of_compilation): Always call
7160 find_loop_tree_blocks. Fix indentation.
7161 * dwarf2out.c (next_block_number): Remove.
7162 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7163 to determine block numbers.
7164 (gen_inlined_subroutine_die): Likewise.
7165 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7166 (decls_for_scope): Don't increment next_block_number.
7167 * dwarfout.c (next_block_number): Remove.
7168 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7169 to determine block numbers.
7170 (output_inlined_subroutine_die): Likewise.
7171 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7172 (output_decls_for_scope): Don't increment next_block_number.
7173 * sdbout.c (next_block_number): Remove.
7174 (sdbout_block): Use BLOCK_NUMBER.
7175 (sdbout_begin_block): Simplify.
7176 * xcoffout.c (next_block_number): Remove.
7177 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7178 (xcoffout_begin_block): Don't set next_block_number.
7179 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7182 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7184 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7185 (expand_builtin_strcpy): Pass correct type to size_binop.
7186 (expand_builtin_strcmp): Likewise.
7187 Clean up conditional structure.
7188 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7189 (complete_array_type): Don't use size_binop for MAXINDEX.
7190 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7191 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7192 (c_alignof): Use size_one_node.
7193 (build_unary_op): Pass arg of proper type to size_binop.
7194 (really_start_incremental_init, push_init_level): Use sizetype for
7195 constructor{,_bit,_unfilled}_index.
7196 (pop_init_label, output_init_element): Likewise.
7197 (output_pending_init_elements, process_init_element): Likewise.
7198 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7199 * expr.c (store_expr): Use size_int.
7200 (store_constructor): Use proper types for size_binop args.
7201 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7202 (expand_expr_unaligned): Likewise.
7203 (string_contant): Return object of sizetype.
7204 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7205 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7206 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7207 * fold-const.c (int_const_binop): Refine when size_int is called.
7208 (fold_convert): Likewise.
7209 (size_int_wide): Rework to take KIND as arg, only take low order
7210 bits, handle new sizetype_tab datatype, and chain entries in
7212 (size_int_type_wide): New function.
7213 (size_binop): Validate types of arguments.
7214 (ssize_binop): Deleted.
7215 (size_diffop): New function.
7216 (extract_muldiv): Only fold division into multiplication for sizetypes.
7217 * function.c (assign_parms): Use size_diffop and make sure
7218 VAR field is of ssizetype; also pass proper type to size_binop.
7219 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7220 (round_down): Deleted from here.
7221 * store-layout.c (sizetype_tab): Now an array.
7222 (sizetype_set, early_root_list): New variables.
7223 (variable_size): Use size_one_node.
7224 (round_up): Pass proper type to size_binop.
7225 (round_down): Moved to here and corrected as above.
7226 (layout_record): Pass proper arg types to size_binop.
7227 (layout_type): Likewise.
7228 If sizetype_set is zero, record the type just laid out.
7229 (make_unsigned_type): Don't call set_sizetype;
7230 (make_signed_type): Likewise; also, call fixup_signed_type.
7231 (initialize_sizetypes): New function.
7232 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7233 set name of bitsizetype to "bit_size_type".
7234 Fix up type of sizes of all types made before call.
7235 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7236 * tree.c (fix_sizetype): Deleted.
7237 (build_common_tree_nodes): Call initialize_sizetypes.
7238 (build_common_tree_nodes_2): Don't call fix_sizetype.
7239 * tree.h (TYPE_IS_SIZETYPE): New macro.
7240 (initialize_sizetype): New declaration.
7241 (enum size_type_kind): New type.
7242 (struct sizetype_tab): Deleted.
7243 (sizetype_tab): Now array; adjust sizetype macros.
7244 (size_diffop, size_int_type_wide): New functions.
7245 (size_int_wide): Change number of args and type; access macros changed.
7246 (ssize_int, sbitsize_int): New macros.
7247 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7248 (ROUND_TYPE_SIZE_UNIT): New macro.
7250 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7252 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7254 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7257 Mark as possibly unused.
7259 * cse.c (cse_insn): Delete dead code involving tablejump.
7260 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7262 * Makefile.in (libcpp.a): Start by deleting it.
7264 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7266 * cpplib.h (enum file_change_code): Added rename_file.
7267 * cpplib.c (do_line): If a filename is given, set file_change to
7269 (output_line_command): If file_change is rename_file, always
7270 output a # directive with the file name.
7272 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7274 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7276 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7277 when copying a PARM_DECL or RESULT_DECL.
7279 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7281 * fix-header.c (recognized_function): Also fix prototypes for
7282 functions taking "void".
7284 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7286 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7287 looking at reg_reloaded_contents.
7289 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7291 * Makefile.in (STMP_FIXINC): New toggle.
7292 (LIBGCC2_DEPS): Delete all references.
7293 (stmp-headers): Delete target. All references either deleted
7294 or changed to stmp-int-headers.
7295 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7296 (LIBCPP_OBJS): Take out cppalloc.o.
7297 (cppalloc.o): Delete target.
7298 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7299 (gen-protos, fix-header): Link with libiberty.a.
7300 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7303 * configure.in: Remove refs to strerror.
7304 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7305 * system.h: Take out strerror stanza.
7307 * cpperror.c (my_strerror): Delete function.
7308 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7309 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7310 * cppalloc.c: Delete file.
7311 * gen-protos.c: Don't provide xrealloc.
7313 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7314 xstrerror throughout.
7316 2000-02-26 Bruce Korb <bkorb@gnu.org>
7318 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7319 match for DOS headers, too.
7320 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7322 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7324 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7325 is right for most ELF targets.
7326 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7327 Let the default file use %U properly.
7328 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7331 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7334 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7336 * toplev.c (documented_lang_options): Correct spelling error.
7337 (decode_d_option, decode_f_option, main): Likewise.
7339 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7341 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7342 to tell assembler it is permitted to expand large constants.
7344 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7346 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7347 (aux_info_suffix): Use.
7348 (SAVE_SUFFIX): New macro.
7350 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7351 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7352 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7354 * invoke.texi (Running Protoize): Update documentation.
7356 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7358 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7360 2000-02-25 John Wehle (john@feith.com)
7362 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7364 2000-02-25 Anthony Green <green@cygnus.com>
7366 * toplev.c (rest_of_compilation): Rebuild jump labels if
7367 combine_instructions has created a new direct jump.
7368 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7370 (combine_instructions): Call try_combine with new argument.
7371 Return non-null value when new direct jump instruction is created.
7372 * rtl.h: combine_instructions returns an int.
7374 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7376 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7377 jump when changing a computed jump into a jump to a known
7380 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7382 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7383 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7385 * i386.md (define_expand "clrstrsi"): Fix typo.
7387 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7389 * rtl.texi: Fix typo.
7391 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7393 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7394 UNITS_PER_WORD. Change caller initial_elimination_offset.
7395 (rounded_frame_size): Take into account that argument pushed has
7396 changed. Fix TARGET_ALIGN_DOUBLE problem.
7398 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7400 * haifa-sched.c (schedule_block): Explain the real reason
7401 we delete REG_SAVE_NOTEs on the first insn of a block.
7402 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7404 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7406 * input.h (push_srcloc): New function.
7407 (pop_srcloc): Likewise.
7408 * toplev.c (push_srcloc): Define it.
7409 (pop_srcloc): Likewise.
7411 2000-02-24 Richard Henderson <rth@cygnus.com>
7413 * flow.c (life_analysis): When collecting reg info, clear
7416 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7418 Fix bug exposed by reload.c no longer rounding the frame
7419 size to BIGGEST_ALIGNMENT:
7420 * sh.c (rounded_frame_size): New function.
7421 (sh_expand_prologue, sh_expand_epilogue): Use it.
7422 (initial_elimination_offset): Likewise.
7424 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7426 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7427 * sh-protos.h (sh_need_epilogue): Declare.
7428 * sh.c (sh_need_epilogue_known): New static variable.
7429 (sh_need_epilogue): New function.
7430 (function_epilogue): Clear need_epilogue_known.
7431 * sh.md (return): Split into expander / insn pattern.
7432 Make the expander conditional on ! sh_need_epilogue ().
7434 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7436 * machmode.h (get_mode_alignment): Declare.
7437 (GET_MODE_ALIGNMENT): Call it.
7438 * stor-layout.c (get_mode_alignment): New function. Make
7439 sure alignment is always power of 2.
7441 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7443 * i386.h: Remove useless definition of "I386" and misleading
7446 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7448 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7449 under which TREE_PERMANENT will be set.
7450 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7451 build1): Use TREE_SET_PERMANENT.
7452 * print-tree.c (print_node): Don't report value of
7453 TREE_PERMANENT if ggc_p is true.
7455 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7456 decide whether to give a type a new alias set.
7457 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7458 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7459 of value of 'obstack'.
7462 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7464 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7466 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7468 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7469 * cpplib.c (cpp_get_token): Produce them.
7470 * cppexp.c (cpp_lex): Handle them.
7472 2000-02-23 Nick Clifton <nickc@cygnus.com>
7474 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7475 comment tests on type attributes.
7477 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7479 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7480 conform to documentation.
7481 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7482 to check for special cases.
7483 * sh-protos.h (sh_loop_align): Declare.
7484 * sh.c (sh_loop_align): Define.
7486 2000-02-22 Andrew Haley <aph@cygnus.com>
7488 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7489 (SIZE_TYPE): Is 32 bits when using -mgp32.
7490 (PTRDIFF_TYPE): Ditto.
7492 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7494 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7496 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7498 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7499 BIGGEST_FIELD_ALIGNMENT a constant.
7501 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7503 * dwarf2out.c (output_line_info): Put the marker for the end of
7504 the line number info at the actual end.
7505 (gen_struct_or_union_type_die): Use decl_function_context
7506 to check for local classes.
7507 * dwarfout.c (output_type): Likewise.
7509 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7511 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7512 for arguments with a mode, but no type.
7513 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7514 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7515 * pa/long_double.h: New file.
7516 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7517 both have 128bit wide long doubles.
7518 * configure: Rebuilt.
7520 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7522 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7524 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7525 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7526 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7528 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7530 * integrate.c (compare_blocks, find_block): Likewise.
7532 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7534 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7536 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7537 expand_asm_operands): Likewise.
7539 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7541 * predict.c (estimate_probability): Added the pointer heuristic to
7542 the collection of static branch predictors.
7544 2000-02-21 Catherine Moore <clm@cygnus.com>
7546 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7547 * invoke.texi (-mfix7000): Document.
7549 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7551 * diagnostic.c (init_output_buffer): Make it possible to output at
7552 least 32 characters if we're given a too long prefix.
7554 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7556 * varasm.c (initializer_constant_valid_p): Call
7557 lang_expand_constant to simplify the constant.
7559 2000-02-20 Bruce Korb <bkorb@gnu.org>
7561 * fixinc/inclhack.def(stdio_va_list):
7562 typedef needs to be disabled.
7563 * fixinc/inclhack.sh: regen
7564 * fixinc/fixincl.x: regen
7566 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7568 * print-rtl.c (print_rtx): Don't print addresses when
7569 flag_dump_unnumbered.
7571 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7573 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7575 (sparc_va_arg, sparc_flat_output_function_prologue,
7576 sparc_flat_output_function_epilogue): Cast value to unsigned in
7578 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7580 * sparc.md: Add default case in switch.
7582 2000-02-19 Richard Henderson <rth@cygnus.com>
7584 * c-typeck.c (add_pending_init): Don't abort for multiple
7585 fields at the same offset.
7586 (pending_init_member): Test the correct member.
7588 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7590 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7592 (start_catch_handler) : Same.
7594 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7596 * Makefile.in: Have flow.o depend on $(EXPR_H)
7598 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7600 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7601 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7602 (finish_decl): Remove -Wlarger-than code from here.
7603 * flags.h (id_clash_len): Now int.
7604 (larger_than_size): Now HOST_WIDE_INT.
7605 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7606 Clean up checking to see if in table.
7607 (make_bit_field_ref): Remove extra parm to bitsize_int.
7608 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7609 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7610 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7611 and for computing size of decl.
7612 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7613 Move -Wlarger-than code to here.
7614 (layout_record): Remove extra arg to bitsize_int.
7615 Set TYPE_BINFO_SIZE_UNIT.
7616 (layout_union): Remove extra arg to bitsize_int.
7617 Use proper type for size of QUAL_UNION.
7618 (layout_type): Remove extra arg to bitsize_int.
7619 * toplev.c (id_clash_len): Now int.
7620 (larger_than_size): Now HOST_WIDE_INT.
7621 (decode_W_option): Clean up id-clash and larger-than- cases.
7622 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7623 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7624 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7625 (struct tree_decl): New field size_unit.
7626 (size_int_wide): No HIGH operand; NUMBER is now signed.
7627 (size_int_2): Deleted.
7628 (size_int, bitsize_int): Don't use it and rework args.
7629 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7631 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7633 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7635 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7637 * invoke.texi (Warning Options): Add an explanation of why
7638 you might want the -Wfloat-equal flag.
7640 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7642 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7643 * cppinit.c (new_pending_define): Add cast to avoid warning.
7644 * expmed.c (extract_bit_field): Likewise.
7645 * flow.c (enum reorder_skip_type): New type.
7646 (skip_insns_between_blcok): New it.
7647 Rework to avoid warning about possibly undefined variable.
7648 * function.c (assign_parms): Make thisparm_boundary unsigned.
7649 * genrecog.c (write_switch): Cast XWINT result to int.
7650 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7651 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7652 one for MIPS and one for Alpha.
7653 (get_tag, copy_object): Add casts to avoid warnings.
7654 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7655 * reload.c (find_reloads): Make TYPE enum reload_type.
7656 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7657 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7658 * varasm.c (compare_constant_1): Add cast to avoid warning.
7659 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7661 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7662 Cast switch operand of size to int.
7663 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7664 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7667 2000-02-18 Nick Clifton <nickc@cygnus.com>
7669 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7670 anything for an alignment of zero.
7672 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7673 anything for an alignment of zero.
7675 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7677 * gcc.texi (Bug Reporting): Refer to bugs.html.
7678 (Bug Lists): Likewise.
7679 * system.h (GCCBUGURL): New preprocessor define.
7680 * rtl.c (fancy_abort): Use it.
7681 * gcc.c (main): Likewise.
7683 2000-02-18 Richard Henderson <rth@cygnus.com>
7685 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7686 (life_analysis_1): Subsume into ...
7687 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7688 Use update_life_info for the relaxation.
7689 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7690 entry and regs_live_at_setjmp.
7691 (set_noop_p): Simplify.
7692 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7693 (record_volatile_insns): Split into ...
7694 (delete_noop_moves): ... here,
7695 (notice_stack_pointer_modification): ... here,
7696 (insn_dead_p): ... and here.
7697 (propagate_block): Don't query INSN_VOLATILE.
7698 (mark_used_regs): Mind !PROP_REG_INFO.
7699 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7700 not in life_analysis.
7702 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7704 * loop.c (canonicalize_condition): New function,
7705 broken out of get_condition.
7706 (get_condition): Use it.
7707 * expr.h (canonicalize_condition): Prototype it.
7709 * tree.h (tree_int_cst_msb): Declare.
7710 * tree.c (tree_int_cst_msb): New function.
7712 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7714 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7717 * invoke.texi (-fmessage-length=n): Document.
7719 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7721 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7723 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7725 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7728 2000-02-17 Nick Clifton <nickc@cygnus.com>
7730 * config/arm/thumb.c: Replace includes of system headers with
7731 #include "system.h".
7733 2000-02-16 Richard Henderson <rth@cygnus.com>
7735 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7736 Add crtbeginS.o and crtendS.o.
7737 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7738 (ENDFILE_SPEC): Use crtendS.o.
7739 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7741 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7742 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7744 (__dso_handle): New variable.
7745 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7746 bias to __CTOR_END__.
7748 2000-02-16 Richard Henderson <rth@cygnus.com>
7750 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7752 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7754 * longlong.h (__clz_tab): Declare as static to match definition.
7756 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7757 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7758 (XREF_FILE_NAME): Define.
7760 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7761 (EH_FRAME_SECTION_ASM_OP): Define.
7762 (IDENT_ASM_OP): Define.
7763 (TEXT_SECTION_ASM_OP): Define.
7765 (CTORS_SECTION_ASM_OP): Define.
7766 (CTOR_SECTION_FUNCTION): Use it.
7767 (DTORS_SECTION_ASM_OP): Define.
7768 (DTOR_SECTION_FUNCTION): Use it.
7770 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7772 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7775 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7776 debug_bb_n): New functions.
7777 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7778 * basic-block.h: Prototype new functions.
7780 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7782 * configure.in: Add support for avr target.
7783 * configure: Rebuilt.
7785 * invoke.texi: Add AVR invocation docs.
7786 * install.texi: Add information about AVR.
7787 * md.texi: Add AVR constraint letters description.
7788 * extend.texi: Add description for AVR specific attributes.
7790 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7792 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7794 2000-02-16 Nick Clifton <nickc@cygnus.com>
7796 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7797 (make_insn_raw): Move RTL check here.
7799 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7801 * version.c: Include gansidecl.h and version.h.
7803 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7805 * configure.in (gcc_version): When setting, narrow search to
7806 lines containing `version_string'.
7808 * Makefile.in (mainversion): Likewise.
7809 (GCC_H): New variable.
7810 (gcc.h): Delete target.
7811 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7812 (version.o): Depend on version.h.
7813 (dbxout.o): Don't depend on gcc.h.
7815 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7816 Michael Meissner <meissner@cygnus.com>
7818 * md.texi (Simple Constraints): Add item about whitespace.
7819 * genoutput.c (strip_whitespace): New.
7820 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7821 strip_whitespace for constraints.
7822 Test pointer using NULL, not 0.
7824 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7826 * cpplib.c (do_line): Pedwarn for #line > 32767.
7828 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7830 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7832 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7833 to default cpp spec.
7834 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7835 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7838 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7841 2000-02-15 Denis Chertykov <denisc@overta.ru>
7843 * configure.in: Add support for avr target.
7845 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7847 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7848 (sh_addr_diff_vec_mode): Don't declare.
7849 * sh.c (sh_addr_diff_vec_mode): Delete.
7851 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7853 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7855 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7857 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7858 (smulsi3_highpart_i): Name.
7859 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7860 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7861 (smulsi3_highpart, umulsi3_highpart): Likewise.
7863 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7864 correctly independent of endianness.
7865 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7866 confuse the optimizers.
7867 (mulsidi3+1, umulsidi3+1): New define_split.
7869 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7871 * config/sh/sh.md: Guard insn splits against illegal registers.
7872 * config/sh/sh.h: Correct comment about macros.
7874 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7875 Andrew MacLeod <amacleod@cygnus.com>
7877 * Makefile.in (lcm.o): Depend on insn-attr.h.
7878 * basic-block.h (optimize_mode_switching): Declare.
7879 * lcm.c (tm_p.h, insn-attr.h): #include.
7880 (seginfo, bb_info): New structs.
7881 (antic, transp, comp, delete, insert) : New file-scope static variables.
7882 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7883 (reg_becomes_live, optimize_mode_switching): Likewise.
7884 * tm.texi: Add description of mode switching macros.
7885 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7887 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7888 (fldi_ok, fpscr_set_from_mem): New prototypes.
7889 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7890 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7891 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7892 (sh_flag_remove_dead_before_cse): Remove declaration.
7893 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7894 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7895 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7896 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7897 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7898 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7899 (fldi_ok): New function.
7900 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7901 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7902 (emit_df_insn): Likewise.
7903 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7904 (sh_flag_remove_dead_before_cse): Delete.
7905 (get_free_reg, fpscr_set_from_mem): New functions.
7906 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7907 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7909 2000-02-15 Loren Rittle <ljrittle@acm.org>
7911 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7913 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7915 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7916 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7918 * cccp.c: Include version.h and/or don't declare `version_string'.
7919 * collect2.c: Likewise.
7920 * alpha.c: Likewise.
7921 * arm/aof.h: Likewise.
7922 * arm/coff.h: Likewise.
7923 * arm/elf.h: Likewise.
7924 * arm/pe.h: Likewise.
7925 * arm/tcoff.h: Likewise.
7926 * arm/telf.h: Likewise.
7927 * arm/tpe.h: Likewise.
7928 * arm/vxarm.h: Likewise.
7929 * convex/convex.c: Likewise.
7930 * i386/dgux.c: Likewise.
7931 * i386/sun386.h: Likewise.
7932 * m88k/m88k.c: Likewise.
7933 * mcore/mcore-pe.h: Likewise.
7934 * mips/mips.h: Likewise.
7935 * romp/romp.h: Likewise.
7936 * sh/sh.c: Likewise.
7937 * cpphash.c: Likewise.
7938 * cppinit.c: Likewise.
7939 * dwarf2out.c: Likewise.
7940 * dwarfout.c: Likewise.
7943 * mips-tfile.c: Likewise.
7944 * protoize.c: Likewise.
7945 * toplev.c: Likewise.
7948 * version.c (version_string): Constify a char*.
7950 * version.h: New file.
7952 2000-02-14 Nick Clifton <nickc@cygnus.com>
7954 * configure.in: Add mcore-elf and mcore-pe targets.
7955 * configure: Regenerate.
7957 * NEWS: Add note that MCore port has been contributed.
7959 * invoke.texi: Document command line switches for MCore port.
7960 * install.texi: Add MCore to list of supported targets.
7962 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7964 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7965 then we will need to import the frame handling functions.
7966 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7967 to import the frames themselves.
7969 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7970 Jason Eckhardt <jle@cygnus.com>
7972 * basic_block.h: Added prototype for reorder_basic_blocks.
7973 * toplev.c: Changes to add -freorder-blocks and graph dump after
7974 block reordering is done.
7975 * flow.c (reorder_block_def): New structure for use during block
7977 (REORDER_BLOCK_*): New macros to access members of above structure.
7978 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7979 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7980 functions for block reordering.
7982 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7984 * gcc.texi (Passes): Fix typo.
7985 * md.texi (Standard Names): Ditto.
7986 * tm.texi (Storage Layout): Ditto.
7988 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7990 * cpplib.c (do_define): Only free the old definition if it
7993 2000-02-13 Neil Booth <NeilB@earthling.net>
7995 * cppfiles.c (read_and_prescan): When emitting deferred
7996 newlines, test speccase[] again instead of checking each
7997 possible whitespace character in turn. When we encounter \r,
7998 look behind for \n first, then ahead.
8000 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8002 * cse.c (cse_altered): New internal flag.
8003 (cse_insn): Set it if we changed an insn.
8004 (cse_main): Clear cse_altered before each basic block.
8005 Only garbage collect if cse_altered is true afterward.
8007 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8009 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8011 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8013 * combine.c (simplify_comparison): Fix typo.
8015 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8017 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8020 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8022 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8023 previously inserted node instead of root node. Caller changed.
8025 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8027 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8029 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8031 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8032 __dereg_frame_dtor): Add prototype argument.
8034 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8036 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8038 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8040 * gthr-vxworks.h (__gthread_once): Likewise.
8042 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8044 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8046 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8047 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8048 stack pointer in functions w/o saved registers, output LEAVE more often
8049 on TARGET_USE_LEAVE machines.
8051 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8053 * config/arm/arm.c (arm_init_cumulative_args); New function:
8054 Initlaise the CUMULATIE_ARGS strcuture for a function
8056 (arm_function_arg): New function: Determine where to place a
8057 function's argument. Also handles deciding the function's
8059 (current_file_function_operand): New function: Return true if
8060 the symbol is a function which has already been compiled.
8061 (arm_is_long_call_p): New function: Return true if the
8062 indicated function should be called via a long call.
8063 (arm_valid_type_attribute_p): New function: Return true if the
8064 attribute is a valid, arm specific, attribute.
8065 (arm_comp_type_attribute): New function: Return true if the
8066 two types have compatable, arm specific, attributes.
8068 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8070 (FUNCTION_ARG): Redefine to call arm_function_arg.
8071 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8073 (INIT_CUMULATIVE_ARGS): Redefine to call
8074 arm_init_cumulative_args.
8075 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8077 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8079 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8081 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8082 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8083 (COMP_TYPE_ATTRIBUTES): Define.
8085 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8086 if a long call is needed.
8087 (call_value): Call arm_is_long_call_p to decide if a long call
8089 (call_symbol): Call arm_is_long_call_p to decide if a long call
8092 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8094 2000-02-11 Denis Chertykov <denisc@overta.ru>
8096 * README.AVR: New file with information about the avr ports.
8097 * config/avr: New directory with avr port files.
8099 2000-02-11 Andreas Jaeger <aj@suse.de>
8101 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8103 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8105 * cpphash.c: Fix formatting, update commentary.
8106 (dump_definition): Take three separate arguments instead of a
8107 MACRODEF structure argument.
8108 * cpphash.h: Update prototype of dump_definition.
8109 * cppinit.c (cpp_finish): Update call of dump_definition.
8111 * cpplib.c (do_define): Always create new hash entry with
8112 T_MACRO type. Remove redundant check for redefinition of
8113 poisoned identifier. Update call of dump_definition.
8114 (do_undef): Don't call check_macro_name. Rename sym_length to
8116 (do_error, do_warning): Don't use copy_rest_of_line or
8118 (do_warning): Don't use pedwarn for the actual warning,
8119 only the notice about its not being in the standard. (Fixes
8120 bug with #warning in system headers.)
8121 (do_ident): Stricter argument checking - accept only a single
8122 string after #ident. Also, macro-expand the line.
8123 (do_xifdef): Use cpp_defined. De-obfuscate.
8125 (do_pragma): Split out specific pragma handling to separate
8126 functions. Use get_directive_token. Update commentary. Do
8127 not pass on #pragma once or #pragma poison to the front end.
8128 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8129 do_pragma_default): New.
8131 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8133 * jump.c (jump_optimize_1): The first operand in a relational
8135 * optabs.c (emit_conditional_move): Handle relationals which
8136 have a known true/false result.
8138 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8140 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8141 a RETURN insn into a block which already ends with a jump.
8143 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8145 * haifa-sched.c (BUF_LEN): Increase a lot.
8147 2000-02-11 Nick Clifton <nickc@cygnus.com>
8149 * configure.in: Add tm_p_file specification for thumb targets.
8150 * configure: Regenerate.
8152 * config/arm/thumb-protos.h: New file: Prototypes for exported
8153 functions defined in thumb.c.
8155 2000-02-11 Robert Lipe <robertl@sco.com>
8157 * Makefile.in (bootstrap-lean): Remove additional files.
8158 (bootstrap2-lean): Likewise.
8159 (VOL_FILES): List of files for above.
8161 2000-02-11 Nathan Sidwell <nathan@acm.org>
8163 * cpphash.c (special_symbol): Remove spurious argument to
8166 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8168 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8170 * configure: Rebuilt.
8172 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8174 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8176 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8178 * pa.c, pa.h: Remove trigraph sequences within comments.
8180 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8182 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8184 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8186 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8188 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8190 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8192 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8194 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8195 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8196 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8197 (ASM_FILE_END): Use c4x_file_end.
8198 * config/c4x/c4x.c (c4x_global_label): New function.
8199 (c4x_external_ref, c4x_file_end): Likewise.
8201 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8202 (c4x_external_ref, c4x_end_file): Likewise.
8204 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8206 * cppexp.c: Don't include cpphash.h.
8207 (parse_charconst, cpp_lex): Use cpp_defined.
8208 (cpp_lex): Use get_directive_token throughout. Remove
8209 unnecessary cases from switch. Move assertion-handling code
8211 (cpp_parse_expr): If we see '+' or '-', check the context to
8212 determine if they are unary or binary operators. Streamline
8213 the jumps a bit. Do not call skip_rest_of_line.
8215 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8216 static. Export get_directive_token. Update commentary.
8217 (cpp_defined): New function.
8218 (do_define): Remove reference to T_PCSTRING. Call
8219 free_definition to release memory for old definition, when
8221 (eval_if_expression): Set only_seen_white to 0 before calling
8222 cpp_parse_expr. Call skip_rest_of_line after it returns.
8223 (cpp_read_check_assertion): Don't preserve a pointer into the
8224 token buffer across a call to cpp_get_token.
8226 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8227 * cppfiles.c (redundant_include_p): Use cpp_defined.
8228 * cpphash.c (free_definition): New function.
8229 (delete_macro): Use it. Update commentary.
8230 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8232 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8233 from enum node_type. Prototype cpp_defined and get_directive_token.
8234 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8236 * fix-header.c (check_macro_names): Use cpp_defined.
8237 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8238 the options structure.
8240 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8242 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8244 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8246 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8247 rather than die->die_tag.
8249 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8251 * combine.c (make_extraction, force_to_mode): Avoid warning on
8252 mixed-signedness conditionals.
8253 (make_field_assignment, nonzero_bits): Likewise.
8254 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8255 (store_split_bit_field, extract_split_bit_field): Likewise.
8256 (extract_fixed_bit_field, store_bit_field,
8257 * expr.c: Change alignment to be unsigned everywhere.
8258 (move_by_pieces, store_constructor_field, store_constructor):
8259 Alignment parm is unsigned.
8260 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8261 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8262 (do_compare_rtx_and_jump): Likewise.
8263 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8264 Compare align with GET_MODE_ALIGNMENT.
8265 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8266 (get_inner_reference): Likewise.
8267 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8268 (expand_assignment): Local vars for alignment now unsigned.
8269 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8270 (do_compare_and_jump): Likewise.
8271 (store_field): Call new function expr_align.
8272 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8273 Alignment arg now unsigned.
8274 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8275 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8276 (extract_bit_field): Likewise.
8277 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8278 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8279 (get_best_mode): Alignment arg is unsigned.
8280 * rtl.h (move_by_pieces): Likewise.
8281 * store-layout.c (maximum_field_alignment, set_alignment):
8283 (layout_decl): Alignment arg is now unsigned.
8284 Remove unneeded casts.
8285 (layout_record, layout_union, layout_type): Remove unneeded casts.
8286 Local alignment variables now unsigned.
8287 (get_best_mode): Alignment arg now unsigned.
8288 * tree.c (expr_align): New function.
8289 * tree.h (expr_align): Likewise.
8290 (maximum_field_alignment, set_alignment): Now unsigned.
8291 (get_inner_reference): Alignment argument is now pointer to unsigned.
8292 * varasm.c (assemble_variable): Add cast to eliminate warning.
8294 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8296 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8297 then store directly into op0.
8299 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8300 the CALL_INSN, and emit the note immediately after it.
8302 2000-02-10 Nick Clifton <nickc@cygnus.com>
8304 * config/arm/thumb.md (epilogue): Include a (return) in the
8305 generated insn, and emit it using emit_jump_insn not
8308 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8310 * function.c (assign_temp): Change zero-sized arrays to size 1.
8311 * integrate.c (expand_inline_function): Do not update
8312 stack_alignment_needed
8313 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8314 add some sanity checking, remove optimization for function with
8317 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8319 * flow.c (mark_regs_live_at_end): Delete unused variables.
8321 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8323 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8324 in macro FRAME_GROWS_DOWNWARD.
8326 * stmt.c (expand_end_bindings): Delete unused variable.
8328 * unroll.c (iteration_info): Mark parameter `loop' with
8331 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8333 * fixinc/server.c (load_data): Return NULL if the marker line is
8335 (run_shell): If load_data returns NULL, retry the command once, in
8338 * configure: Rebuilt.
8340 2000-02-09 Bruce Korb <bkorb@gnu.org>
8342 * gcc/fixincludes: ** DELETED **
8343 * gcc/fixcpp: ** DELETED **
8344 * gcc/fixinc-nt.sed: ** DELETED **
8345 * gcc/just-fixinc: ** DELETED **
8346 * gcc/Makefile.in: Removed out-dated commentary
8347 * gcc/configure.in: Removed fast-fixincludes disablement.
8348 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8350 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8351 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8354 2000-02-09 Richard Henderson <rth@cygnus.com>
8356 * jump.c (delete_insn): Don't delete user labels at -O0.
8358 2000-02-09 Robert Lipe <robertl@sco.com>
8360 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8361 Don't link with HOST_LIBS.
8363 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8365 * configure.in: Correct --help text for --with-dwarf2.
8366 Put tm-dwarf2.h after other tm files, if it's requested.
8367 * configure: Regenerate.
8368 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8371 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8373 * cpplib.h: Provide HASHNODE typedef and forward decl of
8374 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8375 DEFINITION, struct hashnode, struct macrodef, struct
8376 definition, scan_decls prototype, default defn of
8377 INCLUDE_LEN_FUDGE moved elsewhere.
8379 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8380 definition, and struct hashnode moved here. Remove the unused
8381 'predefined' field from struct definition. Replace the 'args'
8382 union with its sole member. All users updated (cpphash.c).
8383 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8384 multiple include guard.
8386 * cpphash.c (hashf): Make static; use better algorithm; drop
8387 HASHSIZE parameter; return an unsigned int.
8388 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8389 used. Calculate HASHSIZE modulus here.
8390 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8392 (create_definition): Drop PREDEFINITION parameter.
8393 * cpplib.c (do_define): Don't calculate a hash value here.
8394 Don't pass (keyword == NULL) to create_definition.
8396 * scan.h: Prototype scan_decls here.
8397 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8398 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8399 callers of cpp_lookup and cpp_install updated.
8401 * cpphash.c (macarg): Hoist all the flag diddling out of the
8403 (macroexpand): ... and out of the loop that calls macarg.
8404 Skip over the initial paren before macro arguments with
8405 cpp_get_non_space_token; point may be some distance before
8406 that paren. Abort if it's not there.
8408 * cpplib.c (parse_clear_mark): Delete function.
8409 (parse_set_mark, parse_goto_mark): Make static.
8410 (ACTIVE_MARK_P): New macro.
8411 (skip_block_comment, skip_line_comment): Do not bump the line
8412 if ACTIVE_MARK_P is true.
8413 (cpp_pop_buffer): The buffer to be popped may not have an
8415 (cpp_get_token): When looking for the initial paren before
8416 macro arguments, only set a mark in a file buffer, Always
8417 return to that mark before proceeding to call macroexpand or
8418 return a NAME token.
8420 * cpplib.h: Remove prototypes of parse_set_mark,
8421 parse_clear_mark, parse_goto_mark.
8422 (struct cpp_options): Rename 'put_out_comments' to
8423 'discard_comments' and invert its sense.
8424 * cppinit.c, cpphash.c, cpplib.c: All users of
8425 put_out_comments changed to use discard_comments, with
8428 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8430 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8431 the edge from a block that both jumps and falls through to the
8434 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8436 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8437 constant source address is legitimate.
8439 2000-02-09 Philip Blundell <pb@futuretv.com>
8441 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8444 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8446 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8448 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8450 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8451 ends with a newline and a NUL. Don't be so clever manipulating
8454 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8456 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8457 not to BIGGEST_ALIGNMENT.
8459 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8461 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8462 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8463 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8464 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8465 * frame.c (execute_cfa_insn): Handle
8466 DW_CFA_GNU_negative_offset_extended.
8468 2000-02-08 Richard Henderson <rth@cygnus.com>
8470 * flow.c (tidy_fallthru_edges): Split out from ...
8471 (delete_unreachable_blocks): ... here.
8472 (find_basic_blocks): Use it.
8474 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8476 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8478 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8480 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8481 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8482 (fix-header.o): Don't depend on cpphash.h.
8484 * scan.c (hashstr): New function.
8485 * scan.h: Prototype it.
8486 * fix-header.c: Don't include cpphash.h. Use hashstr.
8487 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8488 hashstr. Report hash table statistics. Add private
8489 definition of xrealloc.
8491 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8493 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8495 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8497 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8498 jumps with returns unless they are jumps to the fallthru block.
8500 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8502 * i386.md (addqi3_cc): Fix contraints.
8504 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8506 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8508 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8510 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8511 carriage return after a macro name.
8513 2000-02-07 Fred Fish <fnf@be.com>
8515 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8516 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8518 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8520 * cppfiles.c (deps_output): Count spacers in deps_column.
8522 2000-02-07 Neil Booth <NeilB@earthling.net>
8524 * cppinit.c (initialize_dependency_output): If there is no
8525 suffix, don't try to look for known suffixes. Use strrchr.
8526 (cpp_start_read): Remove duplicate initialization.
8528 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8530 * calls.c (compute_argument_block_size): New argument
8531 preferred_stack_boundary.
8532 (expand_call): update cfun->preferred_stack_boundary, update call of
8533 compute_argument_block_size
8534 (emit_library_call): Increate cfun->preferred_stack_boundary
8535 to PREFERRED_STACK_BOUNDARY
8536 (emit_library_call_value): Likewise.
8537 * explow.c (allocate_dynamic_stack_spave): Likewise.
8538 * function.c (prepare_function_start): Set
8539 cfun->preferred_stack_boundary
8540 * function.h (struct function): Add preferred_stack_boundary field.
8541 * integrate.c (expand_inline_function): Update
8542 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8543 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8544 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8546 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8548 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8549 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8550 cpp_pedwarn, cpp_pedwarn_with_line,
8551 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8552 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8553 v_cpp_error_with_line, v_cpp_warning_with_line,
8554 cpp_message_from_errno, cpp_perror_with_name): Delete.
8556 * cpperror.c (cpp_print_containing_files): Take starting
8558 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8559 (v_cpp_message): Now called directly by all entry points.
8561 (cpp_pfatal_with_name, cpp_message): Delete.
8562 (cpp_notice_from_errno, cpp_ice): New functions.
8563 (cpp_notice): Is now for reporting error conditions, just
8564 without an associated file.
8565 (cpp_error, cpp_error_with_line): Don't do anything if
8566 opts->inhibit_errors is on.
8567 (cpp_pedwarn_with_file_and_line): Take column argument also.
8569 * cpplib.h: Update prototypes of exported functions.
8570 (struct cpp_options): Add inhibit_errors.
8572 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8573 non-error messages. Include intl.h.
8575 * cppinit.c, cppmain.c: Likewise. Also, use
8576 cpp_notice_from_errno instead of cpp_perror_with_name or
8577 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8579 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8580 report internal errors.
8582 * cpplib.c (do_define): Switch bcopy to memcpy.
8583 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8585 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8586 bail out early if we hit a line comment.
8588 2000-02-06 Richard Henderson <rth@cygnus.com>
8590 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8591 * basic-block.h: Declare them.
8592 * emit-rtl.h (active_insn_p): New.
8593 (next_active_insn, prev_active_insn): Use it.
8594 * rtl.h: Declare it.
8595 * function.c (emit_return_into_block): New.
8596 (thread_prologue_and_epilogue_insns): Insert return insns instead
8597 of epilogues when possible.
8598 * jump.c (jump_optimize_1): Remove code to insert a return insn
8599 on the fallthru to the exit block.
8601 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8602 and for non-empty stack frames.
8603 * i386.md (return): Expand to return-pop as needed.
8605 2000-02-06 Richard Henderson <rth@cygnus.com>
8607 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8608 constant to op1 for testing.
8610 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8612 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8613 (fixuns_truncqfqi2): Use it.
8615 2000-02-06 Richard Henderson <rth@cygnus.com>
8617 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8620 * i386.md (widening and peepholes): Mask the constant instead of
8623 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8625 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8626 input pointer before possibly branching off to the backslash
8628 * cpphash.c (macroexpand): Correctly delete \r escapes when
8629 stringifying parameters.
8630 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8631 if we can; bail out early if we hit a line comment.
8632 (handle_directive): Treat '# 123' in an .S file just like
8633 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8634 Return 1 for '# not_a_directive'.
8635 (get_directive_token): Pop macro buffers here, so that
8636 cpp_get_token can't sneakily move past a newline.
8638 (cpp_get_token): goto randomchar if handle_directive returns 0.
8640 * cppalloc.c: Update copyright.
8641 * cpplib.c: Merge all the static function prototypes into one
8643 * cpplib.h: Remove #if 0 block.
8645 * cpperror.c: Remove #ifdef EMACS block.
8646 * cppmain.c: Likewise.
8647 * cpphash.c: Remove #if 0 blocks.
8648 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8649 * cpplib.c: Remove #if 0 blocks and code referencing
8650 pcp_inside_if or for_lint. Remove duplicate error message.
8651 Fix error messages for #else after #else or #elif. Reformat.
8652 Remove archaic TODO list.
8653 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8655 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8657 * i386/osf1elf.h: Add missing backslash to multiline string.
8659 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8661 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8663 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8665 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8667 * c-common.c: Include expr.h.
8669 * c-pragma.c (mark_align_stack): Add prototype.
8671 * caller-save.c (add_stored_regs): Likewise.
8673 * combine.c (record_promoted_value): Likewise.
8675 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8678 * cppinit.c (new_pending_define): Likewise.
8680 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8682 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8683 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8684 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8685 class_scope_p): Likewise.
8687 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8688 dwarf2out_add_library_unit_info): Likewise.
8690 * ggc.h (ggc_page_print_statistics): Likewise.
8692 * haifa-sched.c (propagate_deps): Likewise.
8694 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8696 * rtl.h (set_stack_check_libfunc): Likewise.
8698 * toplev.h (set_fatal_function): Likewise.
8700 * toplev.c (set_fatal_function): Delete prototype.
8702 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8704 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8706 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8707 (FUNC_END): Likewise.
8709 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8711 * caller-save.c: Include tm_p.h.
8713 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8715 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8717 2000-02-04 Neil Booth <NeilB@earthling.net>
8719 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8722 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8724 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8725 * genflags.c: Use the max_operand_1 logic from genemit.c to
8726 calculate how many arguments gen_insn prototypes have. Remove
8727 NO_MD_PROTOTYPES ifdefs from the generated file.
8728 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8729 file. Cast gen_insn initializers to insn_gen_fn.
8730 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8731 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8733 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8735 * fixinc/Makefile.in (HDR): Add machname.h.
8738 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8740 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8741 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8742 (c4x_cpu_version): Ditto.
8743 * config/c4x/c4x-protos.h: ... here.
8745 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8747 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8748 gen_abstract_function on our context if we're a nested function.
8750 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8752 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8753 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8755 2000-02-04 Bruce Korb <bkorb@gnu.org>
8757 * fixinc/genfixes(machname.h):
8758 Move the functionality from gen-machine.h into this file.
8759 UNdef MN_NAME_PAT if there are no names to change.
8760 Also, be a little kinder when AutoGen is not present.
8762 * fixinc/Makefile.in(machname.h):
8763 Change the generation rule to use genfixes.
8765 * fixinc/fixfixes.c(machine_name):
8766 machine_name_fix's functionality now dependent upon whether
8767 MN_NAME_PAT is defined.
8769 * fixinc/fixtests.c(machine_name):
8772 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8775 * fixinc/fixlib.h(mn_get_regexps):
8778 * fixinc/gen-machine.h: DELETED
8780 2000-02-04 Jan Hubicka <jh@suse.cz>
8781 Richard Henderson <rth@cygnus.com>
8783 * i386.c (SAVE_REGS_FIRST): Remove.
8784 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8785 (ix86_compute_frame_size): Likewise.
8786 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8787 (ix86_emit_restore_regs): Remove.
8788 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8789 when a frame pointer is in use.
8790 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8791 instead of pop to restore a register when profitable; emit leave
8793 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8795 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8796 * i386.md (prologue_allocate_stack): Remove.
8797 (epilogue_deallocate_stack): Remove.
8798 (pro_epilogue_adjust_stack): New.
8800 2000-02-04 Richard Henderson <rth@cygnus.com>
8802 * function.c (diddle_return_value): Rework to use a callback function.
8803 Use current_function_return_rtx if it's been set up.
8804 (do_clobber_return_reg, clobber_return_register): New.
8805 (do_use_return_reg, use_return_register): New.
8806 (expand_function_end): Use them.
8807 * stmt.c (expand_null_return): Likewise.
8808 * function.h: Declare them.
8809 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8810 (mark_reg): Change arguments as appropriate for callback.
8811 * integrate.c (expand_inline_function): Revert 19 Jan change.
8813 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8815 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8816 (Misc): Say the scheduler, not the Haifa scheduler.
8818 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8820 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8821 when in_mem is set. Update all callers.
8823 2000-02-04 Richard Henderson <rth@cygnus.com>
8825 * i386/openbsd.h (INT_ASM_OP): Define.
8827 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8829 * tm.texi: Fix various typos.
8831 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8833 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8834 (MD_STARTFILE_PREFIX_1): New macro.
8836 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8838 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8839 destination when needed.
8840 (strmovsi, strsetsi): New expander.
8841 (strmovsi_1, strsetsi_1): New pattern.
8842 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8843 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8844 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8845 * invoke.texi (align-stringops, inline-all-stringops): Document.
8847 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8849 * i386/netbsd.h (INT_ASM_OP): Define.
8851 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8853 * cpplib.h (cpp_reader): Add new flag, no_directives.
8854 * cpphash.c (macarg): Set it.
8855 * cpplib.c (handle_directive): If no_directives is on and we
8856 find a directive, issue an error and discard the line.
8858 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8860 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8861 FP constants. Add ! TARGET_FPU check for FP constants.
8863 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8865 * flow.c (find_basic_blocks): Don't kill label_value_list
8867 (cleanup_cfg): Kill it here.
8869 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8871 * expr.c (store_field): Ensure ALIGN is no stricter than the
8874 2000-02-02 Richard Henderson <rth@cygnus.com>
8876 * jump.c (delete_insn): Partially revert 19 Jan change;
8877 don't convert unused code labels to notes at -O0.
8879 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8881 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8882 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8884 2000-02-01 Richard Henderson <rth@cygnus.com>
8886 * i386.c (general_no_elim_operand): New.
8887 (nonmemory_no_elim_operand): New.
8888 (ix86_expand_move): Copy eliminable operands before a push.
8889 * i386-protos.h: Declare new functions.
8890 * i386.h (CAN_ELIMINATE): Simplify.
8891 (PREDICATE_CODES): Update.
8892 * i386.md (push insns): Don't allow eliminable register operands.
8894 2000-02-01 Richard Henderson <rth@cygnus.com>
8896 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8897 replace BLKmode with DECL_RTL's mode.
8899 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8901 * frame.c (find_fde): Convert for loop to do-while so compiler
8902 sees it's always executed at least once.
8903 * libgcc2.c (BBINBUFSIZE): Kill.
8904 (__bb_init_prg): Use fgets.
8905 (__bb_exit_trace_func): Don't paste strings.
8906 * unroll.c (unroll_loop): Initialize unroll_type, not
8907 unroll_number, and tweak logic to match.
8909 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8911 (ix86_flags_dependant): Likewise. Disentangle control flow.
8912 (ix86_sched_reorder): Break guts out to
8913 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8914 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8917 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8918 use string concatenation. Don't save and restore esi.
8920 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8921 (machname.h): Remove script to separate file. Use two-step
8922 sequence so target is not created if script fails.
8923 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8924 identifiers are defined.
8925 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8926 an empty string, machine_name doesn't need to do anything at
8928 (is_cxx_header): Add more cases to regexp.
8929 * fixinc/fixlib.h: Update prototype.
8930 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8932 * fixinc/fixincl.c: Define NO_BOGOSITY.
8934 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8935 (hp_sysfile): Add missing comma.
8936 (math_exception): Put the wrapper ifdefs at the beginning and
8937 the end of the file.
8938 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8940 2000-02-01 Richard Henderson <rth@cygnus.com>
8942 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8943 Use CONST0_RTX. Update all callers.
8944 * sparc.h, sparc-protos.h: Update accordingly.
8945 * sparc.md (fp mov insns): Use fp_zero_operand directly
8948 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8950 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8953 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8955 * Makefile.in (specs.ready): New target.
8956 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8958 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8960 * fixinc.irix: Use unique filenames for writing into /tmp,
8961 * fixinc.ptx: Likewise.
8962 * fixinc.sco: Likewise.
8963 * fixinc.svr4: Likewise.
8964 * fixinc.winnt: Likewise.
8966 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8968 * tsystem.h: New file.
8970 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8971 s-crtS): Depend on tsystem.h.
8973 * crtstuff.c: Include tsystem.h.
8974 * frame.c: Likewise.
8975 * libgcc2.c: Likewise.
8977 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8979 * builtins.c (expand_builtin_memset): Expand for variable sized
8982 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8984 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8987 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8989 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8991 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8993 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8995 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8996 case 3->2 combining (combining with splitting) in which 2 is CC0
8997 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8998 checked at the begining of the function with the aid of calling
8999 function 'can_combine_p'.
9001 2000-01-31 Dave Brolley <brolley@redhat.com>
9003 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9005 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9007 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9010 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9012 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9014 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9017 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9019 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9020 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9021 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9022 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9023 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9024 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9025 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9026 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9027 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9028 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9030 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9031 Add %(cpp_cpu) to CPP_SPEC.
9033 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9034 Add %(cc1_cpu) to CC1_SPEC.
9036 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9038 * c-decl.c (c_decode_option): Accept optional numeric argument to
9039 -Wformat and set warn_format.
9040 * c-common.c: Don't emit warning about non-constant printf format
9041 string unless warn_format > 1.
9043 2000-01-30 Richard Henderson <rth@cygnus.com>
9045 * alpha.md (return_internal): Allow after reload only.
9047 2000-01-30 Richard Henderson <rth@cygnus.com>
9049 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9050 local frame size is zero.
9052 2000-01-30 Richard Henderson <rth@cygnus.com>
9054 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9055 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9056 * alpha.md (return): Turn into an expander.
9057 (return_internal): Don't use $26.
9058 (epilogue): Emit the return insn.
9060 2000-01-30 Richard Henderson <rth@cygnus.com>
9062 * alpha.md (negtf2, abstf2): Fix word order thinko.
9064 (trunctfsf2): Avoid intermediate rounding errors.
9066 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9068 * cppfiles.c (find_position): Drop 'colp' argument, return the
9070 (read_and_prescan): Adjust to match. Don't ever manipulate
9071 line or line_base except via find_position.
9073 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9075 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9076 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9079 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9081 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9082 just print "<command line>". If 'filename' is null or an
9083 empty string, print "<stdin>" for the filename.
9084 * cpplib.c (do_define): Don't print the 'location of the
9085 previous definition' message if we're still parsing the
9087 (cpp_pedwarn_with_file_and_line): Always call
9088 cpp_file_line_for_message.
9090 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9092 * flow.c (mark_regs_live_at_end): Fix typo.
9094 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9096 * c-common.c: Adjust variable names, comments, help strings to c99.
9097 * c-lex.c: Likewise.
9098 * c-parse.y: Likewise.
9099 * c-tree.h: Likewise.
9101 * cpplib.h: Likewise.
9102 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9103 * cppinit.c: Likewise.
9105 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9107 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9108 * c4x.c: Define the optab rtx values.
9109 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9110 (c4x_emit_libcall): Use new optab rtx values.
9111 (c4x_emit_libcall3): Likewise.
9112 (c4x_emit_libcall_mulhi): Likewise.
9113 * c4x-protos.h: Add prototypes for optab rtx values and change
9114 prototypes for above c4x_emit_libcall functions.
9116 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9118 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9120 (c4x_function_prologue): Use regnames intead of float_reg_names when
9122 (c4x_function_epilogue): Likewise.
9123 (c4x_print_operand): Likewise.
9124 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9125 * c4x.md (set_high): Disable for TARGET_TI.
9127 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9129 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9130 of framepointer + constant to ADDR_REGS class.
9131 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9132 * c4x.c (std_or_reg_operand): New function.
9133 * c4x-protos.h (std_or_reg_operand): Prototype it.
9135 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9137 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9138 object names as libgcc2.c.
9139 * libgcc.S: Use newly defined names.
9141 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9142 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9144 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9145 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9146 (FLOW_LOOP_LAST_BLOCK): Likewise.
9148 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9150 * basic-block.h (struct loop): New fields 'first' and 'last'.
9151 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9152 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9153 and loop->last to check for NOTE_INSN_LOOP_END.
9155 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9157 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9158 of the loop descriptor rather than HEADER and LATCH. Also added
9159 missing break statements as well making some coding style modifications
9160 as suggested by Michael Hayes.
9162 2000-01-28 Richard Henderson <rth@cygnus.com>
9164 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9165 Break out that code ...
9166 (cleanup_cfg): ... here.
9167 (commit_one_edge_insertion): Detect a return instruction being
9168 emitted to an edge. Emit a barrier following; clear fallthru.
9169 (commit_edge_insertions): Verify CFG consistency.
9170 * function.c (expand_function_start): Kill unused variable.
9171 (expand_function_end): Likewise.
9172 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9173 to insert the epilogue.
9175 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9176 (delete_null_pointer_checks): Likewise.
9177 * output.h: Likewise.
9178 * reg-stack.c (reg_to_stack): Likewise.
9179 * toplev.c (rest_of_compilation): Likewise. Run
9180 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9182 2000-01-28 Richard Henderson <rth@cygnus.com>
9184 * Makefile.in (flow.o): Revert 24 Jan change.
9185 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9186 FUNCTION_VALUE result to DECL_RESULT's mode.
9188 * haifa-sched.c (schedule_insns): Don't recompute reg info
9191 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9193 * configure.in: Make --enable-cpplib the default.
9194 * configure: Regenerate.
9195 * gcc.dg/990119-1.c: No longer expected to fail.
9197 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9199 * jump.c (jump_optimize_1): Delete an optimization that is also done
9200 by merge_blocks in flow.
9202 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9204 * diagnostic.c (build_message_string, output_printf,
9205 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9206 (build_location_prefix): Fix non-literal format string.
9208 2000-01-27 Richard Henderson <rth@cygnus.com>
9210 * alpha.md (trunctfsf2): New.
9212 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9214 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9216 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9218 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9220 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9222 (skip_comment) ... here. Permit C++ comments in system
9223 headers always. Warn about C++ comments in user code under
9224 -std=gnu89 -pedantic.
9225 (copy_comment): Use skip_comment.
9226 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9228 (consider_directive_while_skipping, do_else, do_endif): Call
9229 validate_else unconditionally.
9230 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9231 text after the conditional in a system header.
9232 * cpplib.h (struct cpp_buffer): Add flag
9233 warned_cplusplus_comments.
9235 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9237 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9238 Use unshare_all_rtl_1.
9239 (unshare_all_rtl_again): New function.
9240 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9242 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9243 rather than resetting the 'used' flags ourself.
9245 * toplev.c (rest_of_compilation): Add current_function_decl
9246 to the unshare_all_rtl call.
9247 * tree.h: Prototype unshare_all_rtl.
9248 * rtl.h: Prototype unshare_all_rtl_again here.
9250 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9252 * genoutput.c (output_prologue): Include ggc.h in generated
9254 * Makefile.in (insn-output.o): Depends on ggc.h.
9256 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9257 Hans-Peter Nilsson <hp@bitrange.com>
9259 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9260 Remove redundant include of xm-ns32k.h.
9261 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9262 Remove redundant include of xm-ns32k.h.
9263 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9264 Remove redundant include of xm-ns32k.h.
9265 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9267 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9268 (TARGET_SWITCHES): Add documentation strings.
9269 (DWARF_FRAME_REGNUM): Override default definition.
9270 (REG_CLASS_CONTENTS): Add comments.
9271 (SUBSET_P): Format to reduce line length.
9272 (SMALL_REGISTER_CLASSES): Make a run time option.
9273 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9274 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9275 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9276 (regclass_map): fix typo in comment.
9277 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9278 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9279 (trace, reg_or_mem_operand): Delete, unused function.
9280 (calc_address_cost): Small offsets are cheaper than large ones.
9281 (expand_block_move): Generate more efficient code when bytes is a
9282 known at compile time.
9283 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9284 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9285 instead of reg_or_mem_operand.
9287 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9288 not general_operand. Similarly use "=rm" or stricter, not "=g".
9289 For input operands, use stricter constraints than "g" if not
9290 general_operand. Similarly use stricter predicate than
9291 "general_operand" when stricter constraints than "g" are present,
9292 except for matching constraints.
9293 (movstrsi): Use "memory_operand" for operands 0 and 1.
9294 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9295 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9296 not reg_or_mem_operand.
9297 (udivmoddisi4): Ditto.
9298 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9299 Use nonimmediate_operand for operand 3, not register_operand.
9300 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9303 2000-01-27 Fred Fish <fnf@be.com>
9305 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9306 * gthr-single.h: Likewise.
9307 * gthr-solaris.h: Likewise.
9308 * gthr-vxworks.h: Likewise.
9309 * gthr-win32.h: Likewise.
9312 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9314 * cppinit.c: Add " (cpplib)" to end of string printed by
9317 2000-01-27 Richard Henderson <rth@cygnus.com>
9319 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9320 testing for a signed comparison.
9321 (alpha_emit_floatuns): New.
9322 * alpha-protos.h: Declare it.
9323 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9324 (extendsfdf2): Tidy.
9326 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9328 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9329 no -g option specifying debugging format, default to -gstabs+.
9331 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9333 * calls.c (special_function_p): New argument fork_or_exec.
9334 (expand_call): When profile_arc_flag is set and the function
9335 is in the fork_or_exec group, call __bb_fork_func first.
9336 * libgcc2.c, _bb module (__bb_fork_func): New function.
9337 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9339 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9340 * tree.h (special_function_p): Update prototype.
9342 2000-01-26 Richard Henderson <rth@cygnus.com>
9344 * alpha.c (alpha_split_tfmode_pair): New.
9345 * alpha-protos.h: Declare it.
9346 * alpha.md (abstf2, negtf2): New.
9347 (movtf insn): Add input G constraint.
9348 (movtf splitter): Use alpha_split_tfmode_pair.
9350 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9352 * i386/cygwin.h: PROTO -> PARAMS.
9354 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9356 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9357 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9358 using _Qp_cmp/_Q_cmp and testing the return value.
9359 (print_operand): Call reverse_condition_maybe_unordered if
9360 we are handling CCFPmode or CCFPEmode.
9361 Handle ORDERED, UN* and LTGT comparisons.
9362 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9363 if not TARGET_HARD_QUAD.
9364 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9365 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9366 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9367 Adjust gen_b* calls so that they reflect return comparison of
9368 sparc_emit_float_lib_cmp.
9370 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9372 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9373 incoming operands array is large enough for one more operand.
9374 (alpha_emit_xfloating_arith): Likewise.
9376 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9378 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9379 file with one line and no trailing newline.
9380 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9381 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9382 checking if the match is on the line.
9383 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9385 2000-01-25 Richard Henderson <rth@cygnus.com>
9387 * sparc.c (output_cbranch): Fix accidental squashing of the
9388 fp branch pre-delay nop.
9390 2000-01-25 Richard Henderson <rth@cygnus.com>
9392 * tree.def (UNNE_EXPR): Remove.
9393 * c-typeck.c (build_binary_op): Don't handle it.
9394 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9396 * rtl.def (UNNE): Remove.
9398 * jump.c (reverse_condition): Update accordingly.
9399 (swap_condition): Likewise.
9400 (comparison_dominates_p): Handle unordered comparisons.
9401 (reverse_condition_maybe_unordered): New.
9402 * rtl.h (reverse_condition_maybe_unordered): Declare.
9404 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9405 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9406 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9407 * sparc.md (bltgt): New.
9409 2000-01-25 Nick Clifton <nickc@redhat.com>
9411 * emit-rtl.c (emit_insn): Only check machine class insns for
9412 improper emission of a RETURN.
9414 2000-01-25 Richard Henderson <rth@cygnus.com>
9416 * Makefile.in (flow.o): Depend on $(EXPR_H).
9417 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9418 duplicate the structure of diddle_return_value for keeping regs live.
9420 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9422 * loop.c (current_loop_info): Delete.
9423 (consec_sets_invariant_p): Add loop argument, update callers.
9424 (get_condition_for_loop): Likewise.
9425 (count_nonfixed_reads, update_giv_derive): Likewise.
9426 (simplify_giv_expr, general_induction_var): Likewise.
9427 (consec_sets_giv, recombine_givs): Likewise.
9428 (move_movables): Delete loop_start and loop_end arguments,
9429 add loop argument, and update callers.
9430 (find_mem_givs, check_final_value): Likewise.
9431 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9432 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9434 (basic_induction_var): Add loop argument, delete loop_level argument,
9436 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9437 add loop argument, and update callers.
9438 (find_splittable_regs, find_splittable_givs): Likewise.
9439 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9440 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9441 (biv_total_increment): Delete loop_start and loop_end arguments;
9443 (precondition_loop_p): Delete loop_start and loop_info arguments;
9445 * loop.h (get_condition_for_loop): Add loop argument.
9446 (biv_total_increment): Delete loop_start and loop_end arguments.
9447 (precondition_loop_p): Delete loop_start and loop_info arguments;
9449 (final_biv_value): Delete loop_start and loop_end arguments;
9451 (final_giv_value, back_branch_in_range_p): Likewise.
9453 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9455 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9457 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9459 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9460 point to the new "generated_files" doc.
9462 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9464 * config/fp-bit.c (_unord_f2): Fix typo.
9466 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9468 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9469 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9470 functions obsoleted by GC, such as push_obstacks_nochange,
9471 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9472 and code which existed only to decide whether or not to call
9473 them. Remove now-unused NESTED argument from start_function;
9474 all callers changed. Do not change behavior based on ggc_p.
9475 The use of the ixp_obstack in c-iterate.c and the util_obstack
9476 in objc/objc-act.c remain; these are not obsoleted by garbage
9478 * c-tree.h: Update prototype for start_function.
9480 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9482 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9484 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9487 2000-01-25 Richard Henderson <rth@cygnus.com>
9489 * sparc-protos.h (select_cc_mode): Declare.
9490 * sparc.c (select_cc_mode): New. Handle unordered compares.
9491 (output_cbranch): Always reverse via code change. Handle
9492 unordered compares. Factor tests and string updates.
9493 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9494 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9495 * sparc.md (bunordered, bordered): New.
9496 (bungt, bunlt, buneq, bunge, bunle): New.
9498 2000-01-25 Richard Henderson <rth@cygnus.com>
9500 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9501 * ggc-common.c (ggc_add_rtx_varray_root): New.
9502 (ggc_mark_rtx_varray): New.
9503 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9504 functions down below ggc_mark_foo.
9505 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9507 2000-01-25 Richard Henderson <rth@cygnus.com>
9509 * alpha.c (secondary_reload_class): Don't allocate a secondary
9510 for integral mode memories into FLOAT_REGS. Rearrange the more
9511 complicated memory expression inward.
9513 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9515 * inclhack.def: Fixes to play nicer with FreeBSD, and
9516 corrections to comments.
9517 (cxx_unready): Add select expression.
9518 (irix_sockaddr): Add bypass expression.
9519 (machine_ansi_h_va_list): New fix.
9520 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9521 Split out addition of "#include <stdarg.h>" to...
9522 (stdio_stdarg_h): ... here.
9523 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9524 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9525 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9527 (ultrix_ifdef): Tighten up select expression.
9529 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9530 re_ct and max_mach to avoid use of shell. Make printed names
9531 match names in inclhack.def. Use static copyright date.
9532 Don't count c_test and test expressions as requiring regex_t
9533 slots. Add some commentary.
9534 * inclhack.tpl: Do not include the 'This script contains N
9535 fixup scripts' line if PROGRAM is defined. Use static
9538 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9540 * dwarf2out.c: include "varray.h", not dyn-string.h.
9541 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9542 (addr_const_to_string, addr_to_string): Lose.
9543 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9544 (struct dw_val_struct): val_addr is now an rtx.
9545 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9546 (used_rtx_varray): New varray.
9547 (dwarf2out_init): Initialize it.
9549 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9551 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9552 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9553 * Makefile.in (dwarf2out.o): Update dependencies.
9555 2000-01-24 Richard Henderson <rth@cygnus.com>
9557 * i386.c (i386_dwarf_output_addr_const): New.
9558 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9560 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9562 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9563 * i386.c (i386_simplify_dwarf_addr): New.
9564 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9566 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9568 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9569 TYPE_STUB_DECL is NULL.
9571 2000-01-24 Richard Henderson <rth@cygnus.com>
9573 * builtins.c (expand_tree_builtin): Move ...
9574 * c-common.c (expand_tree_builtin): ... here.
9576 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9578 * loop.h (LOOP_INFO): New accessor macro.
9579 * basic-block.h (struct loop): Rename field `info' to `aux'.
9580 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9581 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9582 * unroll.c (loop_iterations, unroll_loop): Likewise.
9584 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9586 * config/i386/t-cygwin: Accomodate new winsup directory layout
9587 when searching for include files.
9589 2000-01-24 Richard Henderson <rth@cygnus.com>
9591 * rtl.def: Add unordered fp comparisions.
9592 * tree.def: Likewise.
9593 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9595 * builtins.c (expand_tree_builtin): New function.
9596 * c-typeck.c (build_function_call): Use it.
9597 (build_binary_op): Support unordered compares.
9598 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9600 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9601 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9602 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9603 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9604 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9606 (swap_condition): Handle unordered compares.
9607 (thread_jumps): Check can_reverse before reversing.
9608 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9611 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9612 setcc is present before acking for cmp_optab. Update all callers.
9613 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9614 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9615 * expr.c (expand_expr): Likewise. Support unordered compares.
9616 (do_jump, do_store_flag): Likewise.
9617 * expr.h (enum libfunc_index): Add unordered compares.
9619 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9620 (DPBIT_FUNCS): Add _unord_df.
9621 * config/fp-bit.c (_unord_f2): New.
9622 * fp-test.c (main): Try unordered compare builtins.
9624 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9625 * alpha.c (alpha_comparison_operator): Check mode properly.
9626 (alpha_swapped_comparison_operator): Likewise.
9627 (signed_comparison_operator): Likewise.
9628 (alpha_fp_comparison_operator): New.
9629 (alpha_emit_conditional_branch): Handle unordered compares.
9630 * alpha.h (PREDICATE_CODES): Update.
9631 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9632 (bunordered, bordered): New.
9634 2000-01-24 Richard Henderson <rth@cygnus.com>
9636 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9637 * alpha.md (movtf): New expander, insn, and splitter.
9639 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9641 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9644 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9646 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9647 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9648 REG_ALLOC_ORDER): Add frame pointer
9649 (FRAME_POINTER_REGNUM): Set to 20
9650 (HARD_FRAME_POINTER_REGNUM): New macro.
9651 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9652 to HARD_FRAME_POINTER.
9653 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9654 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9655 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9656 (HI_REGISTER_NAMES): Add "frame".
9657 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9658 (debug_reg): Handle FRAME_POINTER_REGNUM.
9659 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9660 GENERAL_REGS and INDEX_REGS.
9661 * i386.c (SAVED_REGS_FIRST): new macro.
9662 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9663 (ix86_decompose_address, memory_address_length): Likewise.
9664 (regclass_map): Add frame pointer.
9665 (call_insn_operand): Handle frame_pointer_rtx.
9666 (reg_no_sp_operand): Likewise.
9667 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9668 (print_operand, legitimize_pic_address): Fix formating.
9669 (ix86_compute_frame_size): Make static, update prototype, new
9670 parameters padding1, padding2, use ix86_nsaved_regs, use
9671 stack_alignment_needed.
9672 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9673 to HARD_FRAME_POINTER_REGNUM conversions.
9674 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9675 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9676 (print_reg): Abort on FRAME_POINTER_REGNUM
9678 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9680 * i386.h (PREDICATE_CODES): Add aligned_operand.
9681 * i386.c (aligned_operand): New function.
9682 (ix86_aligned_p): Kill.
9683 * i386.md (movhi_1): Emit mov for aligned operands.
9684 (promoting peep2s): Use aligned_operand.
9686 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9688 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9689 expression to allow underscores in macro names.
9690 (fix_char_macro_defines): Increment scanning pointer.
9692 2000-01-23 Richard Henderson <rth@cygnus.com>
9694 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9695 * alpha/osf5.h: New file.
9696 * configure.in (alpha-*-osf5): Add it to tm_file.
9698 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9700 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9701 (alpha_emit_xfloating_cvt, function_arg): Declare.
9702 * alpha.c (alpha_emit_conditional_branch): Call
9703 alpha_emit_xfloating_compare for TFmode compares.
9704 (alpha_lookup_xfloating_lib_func): New.
9705 (alpha_compute_xfloating_mode_arg): New.
9706 (alpha_emit_xfloating_libcall): New.
9707 (alpha_emit_xfloating_arith): New.
9708 (alpha_emit_xfloating_compare): New.
9709 (alpha_emit_xfloating_cvt): New.
9710 (print_operand): Add default abort case.
9711 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9712 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9713 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9714 (RETURN_IN_MEMORY): True for TF/TCmode.
9715 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9716 (FUNCTION_ARG): Move to function_arg.
9717 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9718 (ASM_OUTPUT_LONG_DOUBLE): New.
9719 (ASM_OUTPUT_DOUBLE): Always output bits.
9720 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9721 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9722 (extenddftf2, trunctfdf2): New.
9724 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9726 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9727 * config/sparc/sol2.h: ... here.
9729 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9731 * basic-block.h (struct loops): New field `levels'.
9732 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9733 (flow_loop_level_compute): Initialise level to 1.
9734 (flow_loops_find): Set loops->levels.
9735 (flow_loops_dump): Print loops->levels.
9737 2000-01-23 Richard Henderson <rth@cygnus.com>
9739 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9740 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9742 2000-01-23 Richard Henderson <rth@cygnus.com>
9744 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9745 * i386.h (DBX_REGISTER_NUMBER): Use them.
9746 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9747 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9748 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9749 * i386/sequent.h: Kill incorrect comment.
9751 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9753 * ggc-page.c (struct page_entry): Make `context_depth' an
9755 (struct globals): Likewise.
9757 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9759 * loop.c (check_dbra_loop): When checking a loop for
9760 reversability, check the source of any stores to ensure
9761 they don't depend on an initial value.
9763 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9765 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9767 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9769 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9770 'pz_scan' into scope of entire function. Only affects
9771 compiles with -DDEBUG.
9773 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9775 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9776 section naming to that prior to 2000-01-07 patch.
9777 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9778 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9779 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9780 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9781 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9783 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9785 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9788 2000-01-21 Jim Wilson <wilson@cygnus.com>
9790 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9791 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9793 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9795 * cpphash.c (change_newlines): Delete function.
9796 (struct argdata): Delete 'newlines' and 'use_count' fields.
9797 (macroexpand): Remove code referencing those fields.
9799 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9801 * loop.c (loops_info): New variable.
9802 (loop_optimize): Allocate loops->array and free it on exit.
9803 Allocate memory for loops_info and assign to each loop,
9805 (find_and_verify_loops): Do not allocate loops->array.
9807 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9809 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9811 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9813 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9814 pseudos if expanded after first flow.
9815 (movdi_pic_label_ref): Likewise.
9817 2000-01-20 Richard Henderson <rth@cygnus.com>
9819 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9821 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9823 * Makefile.in (fixinc.sh): Depend on specs.
9824 * fixinc/Makefile.in: Add rule to create machname.h.
9825 (fixlib.o): Depend on machname.h.
9826 * fixinc/fixtests.c (machine_name): New test.
9827 * fixinc/fixfixes.c (machine_name): New fix.
9828 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9829 the machine_name test and fix.
9830 * fixinc/fixlib.h: Prototype it.
9831 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9832 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9834 * gcc.c (do_spec_1) [case P]: Take care not to create
9835 identifiers with three leading or trailing underscores.
9837 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9838 (fixincl): Don't specify libraries twice on link line.
9839 (gnu-regex.o): Remove special rule.
9840 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9841 defined by config.h. Do not define _REGEX_RE_COMP.
9842 (regcomp): Allocate and initialize a fastmap.
9843 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9845 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9847 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9849 2000-01-19 Richard Henderson <rth@cygnus.com>
9851 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9852 arguments with BB. Update all callers. Tidy line wrapping.
9854 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9856 * emit-rtl.c (try_split): Return last_insn if we split the
9859 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9861 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9862 (ix86_initial_elimination_offset): Declare.
9863 * i386.c (ix86_nsaved_regs): Break out from ...
9864 (ix86_can_use_return_insn_p): ... here.
9865 (ix86_emit_save_regs): Break out from ...
9866 (ix86_expand_prologue): ... here.
9867 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9869 (ix86_expand_epilogue): ... here.
9870 (ix86_compute_frame_size): Make static, add prototype.
9871 (ix86_initial_elimination_offset): Break out from ...
9872 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9874 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9876 * recog.h (OUT_FCN): Delete.
9878 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9880 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9882 * cppalloc.c: PROTO -> PARAMS.
9883 * cpperror.c: Likewise.
9884 * cppfiles.c: Likewise.
9885 * cpplib.c: Likewise.
9886 * cpplib.h: Likewise.
9888 * config/arm/arm-protos.h: PROTO -> PARAMS.
9889 * config/arm/arm.c: Likewise.
9890 * config/c4x/c4x.c: Likewise.
9891 * config/fr30/fr30-protos.h: Likewise.
9892 * config/nextstep.c: Likewise.
9893 * config/pa/pa.c: Likewise.
9894 * config/pj/pj.c: Likewise.
9895 * config/rs6000/rs6000.c: Likewise.
9896 * config/v850/v850-protos.h: Likewise.
9897 * config/v850/v850.c: Likewise.
9899 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9901 * i370-protos.h: New file.
9903 * i370.c: Include tm_p.h. Fix compile time warnings.
9905 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9908 * i370.md: Likewise.
9910 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9912 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9913 (target_isinf, target_isnan, eisnan): Mark parameter with
9915 (eiisinf): Wrap in INFINITY.
9916 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9917 (ibmtoe): Remove unused variable `rndsav'.
9919 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9921 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9922 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9924 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9926 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9927 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9928 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9930 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9931 Recognize Emacs mode markers also.
9932 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9933 C++ comments in C++ headers. Call is_cxx_header only if
9936 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9938 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9939 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9940 ... these, which use the new C fixes.
9941 (math_exception): Escape literal '+' in bypass expression.
9943 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9946 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9948 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9951 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9953 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9954 prior to calling scan_loop.
9956 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9958 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9959 (split_branches, calc_live_regs): Likewise.
9961 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9963 * sh.md (fpu_single, fp_mode): New attributes.
9965 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9967 * loop.c (current_loop_info): Renamed from loop_info_data
9968 and changed to a pointer.
9969 (loop_optimize): Allocate loop_info structure for each loop
9970 and initialise to zero.
9971 (scan_loop): Set current_loop_info.
9973 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9976 2000-01-19 Richard Henderson <rth@cygnus.com>
9978 * stupid.c: Die die die.
9979 * Makefile.in (OBJS): Remove stupid.o.
9980 (stupid.o): Likewise.
9982 * except.c (emit_eh_context): Don't emit USEs for stupid.
9983 * explow.c (probe_stack_range): Likewise.
9984 * flags.h (obey_regdecls): Remove.
9985 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9986 when not optimizing.
9987 (life_analysis): Limit data collection when not optimizing.
9988 (mark_regs_live_at_end): Always mark the return value registers.
9989 (mark_used_regs): Remove dummy RETURN case.
9990 (print_rtl_with_bb): Don't consult obey_regdecls.
9991 * function.c (use_variable, use_variable_after): Remove.
9992 (assign_parms): Consult optimize not obey_regdecls.
9993 (expand_function_start): Don't emit USEs for stupid.
9994 (expand_function_end): Likewise.
9995 * global.c (build_insn_chain): Export.
9996 * integrate.c (expand_inline_function): Kill return-value USE
9998 * jump.c (jump_optimize_1): Do simple jump optimizations and
9999 dead code elimination.
10000 (calculate_can_reach_end): Remove check_deleted argument.
10001 (delete_insn): Patch out insns even when not optimizing.
10002 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10003 * rtl.h (use_variable, use_variable_after): Remove declarations.
10004 (build_insn_chain): Declare.
10005 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10006 (expand_end_bindings): Likewise.
10007 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10008 * toplev.c (obey_regdecls): Remove.
10009 (rest_of_compilation): Don't set it. Kill stupid in favour of
10010 flow1, local-alloc, and reload.
10011 (main): Don't set obey_regdecls.
10013 * config/nextstep.c (handle_pragma): Likewise.
10015 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10017 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10019 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10021 * alpha-protos.h: PROTO -> PARAMS.
10022 * alpha.c: Likewise.
10024 * h8300.c: Likewise.
10025 * i386-protos.h: Likewise.
10026 * i386.c: Likewise.
10027 * m32r-protos.h: Likewise.
10028 * m32r.c: Likewise.
10029 * mips.c: Likewise.
10030 * mips.md: Likewise.
10031 * gmon-sol2.c: Likewise.
10032 * sparc.c: Likewise.
10034 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10036 * ns32k-protos.h: New file.
10038 * ns32k.c: Fix compile time warnings.
10040 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10043 * ns32k.md: Likewise.
10045 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10047 * vax-protos.h: New file.
10049 * vax.c: Fix compile time warnings.
10051 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10054 * vax.md: Likewise.
10056 * vaxv.md: Likewise.
10058 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10060 * romp-protos.h: New file.
10062 * romp.c: Fix compile time warnings.
10064 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10067 * romp.md: Likewise.
10069 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10071 * we32k-protos.h: New file.
10073 * we32k.c: Fix compile time warnings.
10075 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10078 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10080 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10082 * except.c (eh_regs): Likewise.
10084 * final.c (output_operand): Likewise.
10086 * fold-const.c (target_isinf, target_isnan): Likewise.
10088 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10090 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10091 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10093 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10094 when optimize_size.
10095 (clrstrsi): Rewrite.
10096 (strsethi, strsetqi): New expanders.
10097 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10098 (cmpstrsi): Emit compare insn before cmpstrsi_1
10099 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10100 (strlensi_1): Likewise.
10101 (cmpstrsi_1): Likewise; do not output compare.
10102 (strlen expander): Do not unroll when optimizing for size.
10103 (*subsi3_carry): Rename to subsi3_carry
10104 (addqi3_cc): New pattern.
10105 * i386.h (processor_costs): Add move_ratio field.
10106 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10107 * i386.c (*_cost): Set move_ratio.
10108 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10109 (x86_expand_strlensi_1): Rewrite the main loop.
10111 2000-01-17 Richard Henderson <rth@cygnus.com>
10113 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10114 * cse.c (find_comparison_args, fold_rtx): Likewise.
10115 * integrate.c (subst_constants): Likewise.
10116 * loop.c (get_condition): Likewise.
10118 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10120 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10122 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10124 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10125 (RESTORE_WARN_FLAGS): Unpack it.
10126 Change semantic type of extension to ttype.
10127 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10128 * c-parse.y, c-parse.c, objc/objc-parse.y,
10129 objc/objc-parse.c: Regenerate.
10131 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10133 * fixinc/fixlib.c: Add copyright notice.
10134 (compile_re): New function.
10135 * fixinc/fixlib.h: Prototype compile_re.
10137 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10138 Use compile_re to compile regular expressions.
10140 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10141 where the pattern matched.
10143 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10145 (ultrix_ansi_compat): Likewise.
10146 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10148 (interactv_add2, interactv_add3): Delete.
10149 (x11_sprintf): Don't use filename glob.
10150 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10153 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10155 * print-rtl.c: PROTO -> PARAMS.
10156 * real.c: Likewise.
10157 * reg-stack.c: Likewise.
10158 * resource.c: Likewise.
10159 * sdbout.h: Likewise.
10160 * simplify-rtx.c: Likewise.
10161 * stor-layout.c: Likewise.
10162 * stupid.c: Likewise.
10163 * xcoffout.c: Likewise.
10164 * xcoffout.h: Likewise.
10166 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * toplev.c: PROTO -> PARAMS.
10169 * toplev.h: Likewise.
10170 * tree.c: Likewise.
10171 * tree.h: Likewise.
10172 * unroll.c: Likewise.
10173 * varasm.c: Likewise.
10174 * varray.c: Likewise.
10175 * varray.h: Likewise.
10177 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10179 * reload.c: PROTO -> PARAMS.
10180 * reload.h: Likewise.
10181 * reload1.c: Likewise.
10182 * reorg.c: Likewise.
10183 * resource.h: Likewise.
10186 * rtlanal.c: Likewise.
10187 * sbitmap.h: Likewise.
10188 * sdbout.c: Likewise.
10189 * stack.h: Likewise.
10190 * stmt.c: Likewise.
10191 * system.h: Likewise.
10193 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10195 * machmode.h: PROTO -> PARAMS.
10196 * mbchar.h: Likewise.
10197 * mips-tdump.c: Likewise.
10198 * mips-tfile.c: Likewise.
10199 * optabs.c: Likewise.
10200 * output.h: Likewise.
10201 * prefix.c: Likewise.
10202 * profile.c: Likewise.
10203 * protoize.c: Likewise.
10204 * real.h: Likewise.
10205 * recog.c: Likewise.
10206 * recog.h: Likewise.
10207 * regclass.c: Likewise.
10208 * regmove.c: Likewise.
10209 * regs.h: Likewise.
10211 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10213 * ggc-common.c: PROTO -> PARAMS.
10214 * ggc-page.c: Likewise.
10215 * ggc-simple.c: Likewise.
10217 * global.c: Likewise.
10218 * graph.c: Likewise.
10219 * gthr-win32.h: Likewise.
10220 * haifa-sched.c: Likewise.
10221 * halfpic.h: Likewise.
10222 * integrate.c: Likewise.
10223 * integrate.h: Likewise.
10224 * jump.c: Likewise.
10226 * local-alloc.c: Likewise.
10227 * loop.c: Likewise.
10228 * loop.h: Likewise.
10230 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10232 * genattr.c: PROTO -> PARAMS.
10233 * genattrtab.c: Likewise.
10234 * gencheck.c: Likewise.
10235 * gencodes.c: Likewise.
10236 * genconfig.c: Likewise.
10237 * genemit.c: Likewise.
10238 * genextract.c: Likewise.
10239 * genflags.c: Likewise.
10240 * gengenrtl.c: Likewise.
10241 * genopinit.c: Likewise.
10242 * genoutput.c: Likewise.
10243 * genpeep.c: Likewise.
10244 * genrecog.c: Likewise.
10246 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10248 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10250 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10252 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10253 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10254 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10255 * configure, config.in: Rebuilt.
10257 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10259 * config/i386/i386.md: Add peephole to merge successive stack
10262 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10264 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10265 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10266 when walking backwards to find all the parameter loads when
10267 the basic block ends in a call.
10269 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10271 * loop.c (this_loop_info): Delete.
10272 (uid_loop): Add in place of uid_loop_num. All uses updated.
10273 (loop_number_exit_count): Delete and replace with entry in loop
10274 structure. All uses updated.
10275 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10276 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10277 (loop_outer_loop): Likewise.
10278 (loop_invalid, loop_number_exit_labels): Likewise.
10279 (loop_used_count_register): Delete and replace with entry in
10280 loop_info structure.
10281 (find_and_verify_loops): Add loops argument.
10282 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10283 loop_end, etc. arguments with loop structure pointer. All callers
10285 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10286 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10287 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10288 (insert_bct): Likewise.
10289 (basic_induction_var): New argument level.
10290 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10291 vtop, and cont. Add used_count_register.
10292 (uid_loop): Delete declaration.
10293 (loop_number_exit_count): Likewise.
10294 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10295 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10296 (loop_outer_loop, loop_used_count_register): Likewise.
10297 (loop_invalid, loop_number_exit_labels): Likewise.
10298 (unroll_loop): Replace loop_start and loop_end arguments
10299 with loop structure pointer.
10300 (loop_precondition_p, loop_iterations): Likewise.
10301 Include basic-block.h.
10302 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10303 with loop structure pointer.
10304 (loop_precondition_p, loop_iterations): Likewise.
10305 * basic-block.h (struct loop): New entries vtop, cont,
10306 cont_dominator, start, end, top, scan_start, exit_labels,
10308 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10310 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10312 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10314 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10316 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10318 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10320 * pdp11-protos.h: New file.
10322 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10325 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10328 * pdp11.md: Likewise.
10330 * 2bsd.h: Likewise.
10332 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10334 * mn10300-protos.h: New file.
10336 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10339 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10342 * mn10300.md: Likewise.
10344 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10346 * mn10200-protos.h: New file.
10348 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10351 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10354 * mn10200.md: Likewise.
10356 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10358 * h8300-protos.h: New file.
10360 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10363 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10366 * h8300.md: Likewise.
10368 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10370 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10371 (asm_emit_uninitialised): Likewise.
10373 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10375 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10376 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10378 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10380 * config/mips/mips.c (override_options): Don't turn on extra
10381 alignment for mips16.
10383 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10385 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10386 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10389 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10391 * builtins.c (PAD_VARARGS_DOWN): Define.
10392 (std_expand_builtin_va_arg): Use the above macro.
10393 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10394 * tm.texi (Register Arguments): Document the above macro.
10396 2000-01-14 Nick Clifton <nickc@cygnus.com>
10398 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10399 that this function has not been used to emit a jump
10402 * jump.c (return_jump_1): Cope with being passed a null rtx.
10404 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10406 * eh-common.h: PROTO -> PARAMS.
10407 * emit-rtl.c: Likewise.
10408 * errors.c: Likewise.
10409 * errors.h: Likewise.
10410 * except.c: Likewise.
10411 * except.h: Likewise.
10412 * explow.c: Likewise.
10413 * expmed.c: Likewise.
10414 * expr.c: Likewise.
10415 * expr.h: Likewise.
10416 * final.c: Likewise.
10417 * fix-header.c: Likewise.
10418 * flow.c: Likewise.
10419 * fold-const.c: Likewise.
10420 * function.c: Likewise.
10421 * function.h: Likewise.
10423 * gcov-io.h: Likewise.
10424 * gcov.c: Likewise.
10425 * gcse.c: Likewise.
10427 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10429 * sh-protos.h: New file.
10431 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10432 Add static prototypes. Fix compile time warnings.
10434 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10438 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10440 * arc-protos.h: New file.
10442 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10445 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10448 * arc.md: Likewise.
10450 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10452 * dsp16xx-protos.h: New file.
10454 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10457 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10460 * dsp16xx.md: Likewise.
10462 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10464 * convex-protos.h: New file.
10466 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10469 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10472 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10474 * elxsi-protos.h: New file.
10476 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10479 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10482 * elxsi.md: Likewise.
10484 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10486 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10487 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10488 match the comment for MIPS16.
10490 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10492 * flow.c (split_edge): Do not call set_block_for_insn if we
10493 do not have a basic_block_for_insn structure.
10495 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10496 and destination functions are 32bit aligned within the trampoline.
10497 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10498 (TRAMPOLINE_ALIGNMENT): Define.
10500 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10501 (set (pc) (label_ref)), verify the change creates a valid insn.
10503 * fr30.c (call_operand): Tighten and rework to match rules for
10504 call RTL expressions.
10505 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10506 * fr30.md (call patterns): Improve constraints.
10508 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10510 * fr30.c (fr30_expand_epilogue): Revert last change.
10511 Use emit_jump_insn for the return insn.
10513 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10514 Stan Cox <scox@cygnus.com>
10516 * predict.c: New file. Preliminary infrastructure work for static
10517 branch prediction and basic block reordering.
10518 * basic-block.h: Add prototype for estimate_probability.
10519 * Makefile.in: Add rules for predict.o.
10521 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10523 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10524 * fixinc/*: Likewise.
10526 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10528 * cccp.c: PROTO -> PARAMS.
10529 * cexp.y: Likewise.
10530 * collect2.c: Likewise.
10531 * combine.c: Likewise.
10532 * convert.h: Likewise.
10534 * dbxout.c: Likewise.
10535 * dbxout.h: Likewise.
10536 * diagnostic.c: Likewise.
10537 * doprint.c: Likewise.
10538 * dwarf2out.c: Likewise.
10539 * dwarf2out.h: Likewise.
10540 * dwarfout.c: Likewise.
10541 * dwarfout.h: Likewise.
10542 * dyn-string.h: Likewise.
10544 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10546 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10547 macro conditionals guarding use.
10549 * dwarf2out.c: Include "tm_p.h".
10551 * function.c (locate_and_pad_parm): Mark parameter with
10553 (expand_function_end): Likewise for variable `context'.
10555 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10557 2000-01-13 Nick Clifton <nickc@cygnus.com>
10559 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10560 register to prevent compile time warnings.
10562 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10564 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10565 to avoid -Wtraditional warning.
10567 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10569 * 1750a-protos.h: New file.
10571 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10574 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10577 * 1750a.md: Likewise.
10579 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10581 * a29k-protos.h: New file.
10583 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10586 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10589 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10591 * clipper-protos.h: New file.
10593 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10596 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10599 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10601 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10603 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10605 * configure.in (--enable-new-gxx-abi): New option.
10606 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10607 * Makefile.in (GXX_ABI_FLAG): New variable.
10608 * configure: Regenerate.
10610 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10612 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10613 * tm.texi (FORCE_STRUCT_BLK): Document.
10614 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10616 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10618 * config/ns32k/ns32k.md: Revert Jan 9 change.
10620 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10621 to a mode-test, if the predicate is address_operand.
10623 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10625 * combine.c (if_then_else_cond): Be careful about what kinds
10626 of RTL expressions are passed to operand_subword.
10628 * flow.c (split_edge): If we have to insert a new jump, make
10629 sure to associate it with a basic block.
10631 * flow.c (commit_one_edge_insertion): A block with one successor
10632 can end in a JUMP_INSN that is not a simplejump.
10634 2000-01-12 Robert Lipe <robertl@sco.com>
10636 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10637 (BUILD_VA_LIST_TYPE): Define.
10638 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10641 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10643 * cccp.c (do_pragma): Add cast to (char *).
10645 2000-01-12 Richard Henderson <rth@cygnus.com>
10646 Fred Fish <fnf@be.com>
10647 Jason Merrill <jason@cygnus.com>
10649 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10650 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10651 * i386/beos-elf.h, i386/beos-pe.h: New files.
10653 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10654 * cross-make (SYSTEM_HEADER_DIR): Define using
10655 CROSS_SYSTEM_HEADER_DIR.
10657 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10658 (process_command): Use it.
10659 (main): Likewise. Kill trailing = from env vars.
10660 (build_search_list): Put it back.
10661 * collect2.c (main): Use LIBRARY_PATH_ENV.
10663 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10664 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10666 * tm.texi (Frame Layout): Document SMALL_STACK.
10667 * c-common.c (c_common_nodes_and_builtins): Check it.
10669 * system.h: Undef alloca after including glibc's <stdlib.h>,
10670 if USE_C_ALLOCA is defined.
10672 * gcc.c (set_input): New fn.
10673 (main): After all input files are compiled, reset the input file
10676 * aclocal.m4 (rindex, index): If already defined, don't attempt
10679 * ginclude/varargs.h: (__va_list__): Define ifndef.
10680 * ginclude/stdarg.h: Likewise.
10682 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10683 instead of unsigned char.
10685 * hash.h (true, false, boolean): Undef before enum.
10687 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10688 proper type of "HOST_WIDE_INT *", rather than their natural type of
10689 "unsigned HOST_WIDE_INT *".
10691 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10693 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10695 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10697 * regclass.c (choose_hard_reg_mode): Likewise.
10699 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10701 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10703 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10705 * c-common.c: PROTO -> PARAMS.
10706 * c-common.h: Likewise.
10707 * c-decl.c: Likewise.
10708 * c-iterate.c: Likewise.
10709 * c-lang.c: Likewise.
10710 * c-lex.c: Likewise.
10711 * c-lex.h: Likewise.
10712 * c-parse.in: Likewise.
10713 * c-pragma.c: Likewise.
10714 * c-pragma.h: Likewise.
10715 * c-tree.h: Likewise.
10716 * c-typeck.c: Likewise.
10717 * objc/objc-act.c: Likewise.
10718 * objc/objc-act.h: Likewise.
10720 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10722 * m88k-protos.h: New file.
10724 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10727 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10729 * m88k.md: Likewise.
10731 * tekXD88.h: Likewise.
10733 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10735 * m68k-protos.h: New file.
10737 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10740 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10742 * mot3300.h: Likewise.
10744 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10746 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10748 (extract_bitlist): Declare bitlen.
10750 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10752 * cccp.c: Accept and ignore -lang-fortran.
10754 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10755 qualifiers don't match at any level of pointerness.
10757 2000-01-12 Robert Lipe <robertl@sco.com>
10759 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10761 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10763 * reload1.c (reload_reg_unavailable): New static variable.
10764 (reload_reg_free_p): Test it.
10765 (reload_reg_free_for_value_p): Test it instead of
10767 (choose_reload_regs_init): Compute it.
10769 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10771 * reorg.c (fill_slots_from_thread): Check modified_in_p
10774 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10776 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10777 these nodes even if INTERNALS is not set.
10779 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10781 * gcse.c (delete_null_pointer_checks_1): Cope when
10782 get_condition cannot determine the condition.
10784 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10786 * toplev.h (set_message_length): Declare.
10788 * diagnostic.c (obstack_chunk_alloc): Define macro.
10789 (obstack_chunk_free): Likewise.
10790 (struct output_buffer): New data structure.
10791 (vmessage): Remove.
10792 (output_maximum_width): New variable.
10793 (doing_line_wrapping, set_message_length, init_output_buffer,
10794 get_output_prefix, output_space_left, emit_output_prefix,
10795 output_newline, output_append, output_puts, dump_output,
10796 vbuild_message_string, build_message_string, build_location_prefix,
10797 voutput_notice, output_printf, line_wrapper_printf,
10798 vline_wrapper_message_with_location): New functions. Implement
10799 automatic line wrapping.
10800 (v_message_with_decl): Make it handle automatic line wrapping.
10801 (v_error_with_file_and_line): Likewise.
10802 (v_warning_with_file_and_line): Likewise.
10803 (announce_function): Likewise.
10804 (default_print_error_function): Likewise.
10806 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10808 * cpplib.h (struct cpp_options): Change lang_asm to char.
10810 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10811 done in cpp_handle_option now.
10812 (initialize_builtins): Take out special case code used only by
10814 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10815 if -traditional. Recognize -lang-fortran and set
10816 lang_fortran, also turn off cplusplus_comments.
10817 (print_help): Document -lang-fortran.
10818 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10819 lang_asm. Ignore all directives other than `# 123 "file"' if
10821 (cpp_get_token): If -traditional, don't recognize directives
10822 unless the # is in column 1.
10823 (parse_string): If lang_fortran or lang_asm, silently
10824 terminate strings ('' or "") at end of line.
10825 Remove unnecessary braces.
10827 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10828 Richard Henderson <rth@cygnus.com>
10830 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10832 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10833 strict_low_part when possible.
10835 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10837 * alias.c: PROTO -> PARAMS.
10838 * basic-block.h: Likewise.
10839 * bitmap.c: Likewise.
10840 * bitmap.h: Likewise.
10841 * builtins.c: Likewise.
10842 * c-aux-info.c: Likewise.
10843 * caller-save.c: Likewise.
10844 * calls.c: Likewise.
10846 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10848 * Makefile.in (toplev.o): Depend on regs.h.
10850 * output.h (tdesc_section): Prototype.
10852 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10854 * sdbout.c: Include "tm_p.h".
10856 * toplev.c: Include "regs.h".
10858 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10860 * unroll.c (unroll_loop): Add EH support.
10862 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10864 * pa-protos.h: New file.
10866 * pa.c: Include recog.h and tm_p.h.
10867 (compute_zdepwi_operands, compute_movstrsi_length,
10868 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10869 find_addr_reg, import_milli): Add static prototypes.
10870 (pa_cpu_string, pa_arch_string): Constify a char*.
10871 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10872 (read_only_operand): Add argument `mode'.
10873 (singlemove_string, output_move_double, output_fp_move_double,
10874 output_block_move, output_and, output_ior, output_ascii,
10875 remove_useless_addtr_insns, milli_names, output_mul_insn,
10876 output_div_insn, output_mod_insn, output_arg_descriptor,
10877 output_cbranch, output_bb, output_bvb, output_dbra, ,
10878 output_millicode_call, output_call, hppa_encode_label,
10879 output_parallel_movb, output_parallel_addb): Constify a char*.
10880 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10881 (output_parallel_addb): Remove extra arg to `constrain_operands'
10883 * pa.h: Move all prototypes to pa-protos.h.
10884 (pa_cpu_string, pa_arch_string): Constify a char*.
10885 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10887 * pa.md: Call `function_label_operand' with mode argument.
10888 Likewise for `read_only_operand'.
10889 Fix nesting of parens in call to `symbolic_operand'.
10891 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10893 * i860-protos.h: New file.
10895 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10898 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10900 * i860.md: Likewise.
10902 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10904 * i386.md (movstrsi expander): Rewrite.
10905 (movstrsi_1 insn): Deleted.
10906 (strmovhi, strmovqi expander): New expanders.
10907 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10908 * i386.c (x86_single_stringop): New global variable.
10909 * i386.h (x86_single_stringop): Declare.
10910 (TARGET_SINGLE_STRINGOP): New macro.
10912 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10914 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10915 integer vararg POSTINCREMENT before the destination of the jump
10916 for the hard fp case.
10917 (function_arg_pass_by_reference): Pass a copy of CUM to
10920 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10921 for CONSTANT_ADDRESS_P above while loop for subreg.
10923 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10925 * flow.c (propagate_block): When a prologue/epilogue insn
10926 is marked dead, unconditionally clear libcall_is_dead and
10927 insn_is_dead, and only dump rtl if warnings aren't being
10930 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10932 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10933 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10934 (FIXED_REGISTERS): Set dirflag as fixed.
10935 (CALL_USED_REGISTERS): Set dirflag as used.
10936 (REG_ALLOC_ORDER): Set dirflag as last one.
10937 (DIRFLAG_REG): New macro.
10938 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10939 (HI_REGISTER_NAMES): Add dirflag.
10940 (DEBUF_PRINT_REG): Handle dirflag.
10941 * i386.md (type attribute): New cld and str types.
10942 (length_opcode attribute): Set cld and str to 1.
10943 (memory attribute): Set str to unknown - it is not clear from the
10945 (pent_np function unit): Prefixed string operations takes 12 cycles
10946 minimally; cld takes 2 cycles.
10947 (ppro_uops attribute): Str is "many" and cld is "few".
10948 (ppro_p0 unit): Handle cld here.
10949 (k6_alux unit): Handle cld and str types.
10950 (k6_load unit): It is ocupied by str opcodes.
10951 (k6_store unit): It is ocupied by str opcodes.
10952 (athlon_decode): Str is vector decoded.
10953 (athlon_ieu): Handle str and cld.
10954 (cld pattern): New.
10955 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10956 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10957 cmpstrsi_nz_1 insn): Do not output cld instruction
10959 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10961 * gcc.texi (G++ and GCC): Add Java and Chill.
10962 (Bug Critera): Don't list languages.
10964 * gcc.texi (Incompatibilities): No longer claim most C compilers
10967 * gcc.texi (G++ and GCC): Update other front-ends list.
10969 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10971 * i386.c (ix86_expand_setcc): Fix typo.
10972 (ix86_expand_movcc): Similarly.
10974 * Band-aid until haifa's bitset implementation is nuked.
10975 * haifa-sched.c (extract_bitlst): New parameter for size of the
10976 bitset in bits. All callers changed. Avoid looking at undefined
10977 bits in the bitset.
10978 (edgeset_bitsize): New variable.
10979 (schedule_region): Initialize edgeset_bitsize.
10981 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10983 * Makefile.in (optabs.o): Depend on real.h
10984 (resource.o): Depend on insn-attr.h
10986 * builtins.c (result_vector): Wrap prototype in macro conditions
10987 governing definition and use.
10989 * c-common.c: Include tm_p.h.
10991 * c-lex.c: Likewise.
10993 * elfos.h: Constify a char*.
10995 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10996 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10997 parameter with ATTRIBUTE_UNUSED.
10999 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11002 * haifa-sched.c (schedule_insns): Mark parameter with
11005 * optabs.c: Include real.h.
11007 * real.h (ereal_atof): Add prototype arguments.
11009 * resource.c: Include insn-attr.h.
11011 * sdbout.c (sdbout_queue_anonymous_type,
11012 sdbout_dequeue_anonymous_types): Wrap in macro
11013 SDB_ALLOW_FORWARD_REFERENCES.
11014 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11017 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11019 * stupid.c: Include tm_p.h.
11021 * tree.c (real_value_from_int_cst): Mark parameter with
11024 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11026 * i960-protos.h: New file.
11028 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11031 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11033 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11035 * combine.c (expand_field_assignment): Do not discard SUBREGs
11036 while computing nonzero_bits.
11038 2000-01-09 Nick Clifton <nickc@cygnus.com>
11040 * config/arm/arm.c: Fix compile time warnings about signed vs
11041 unsigned constants.
11042 * config/arm/arm.h: Fix compile time warnings about signed vs
11043 unsigned constants.
11045 2000-01-09 Philip Blundell <philb@gnu.org>
11047 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11048 than `ldm' with only one register.
11049 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11052 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11055 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11057 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11060 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11062 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11063 assignment used as truth value.
11065 * function.c (assign_temp): Mark parameter `dont_promote' with
11066 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11067 PROMOTE_FOR_CALL_ONLY.
11069 * genrecog.c (write_subroutine): Mark variable `operands' with
11072 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11075 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11076 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11078 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11081 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11083 * config/c4x.h: Tidy up comments.
11084 * config/c4x.c: Likewise.
11086 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11088 * fold-const.c (lshift_double, rshift_double): Handle
11089 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11091 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11093 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11094 in prepare_function_start().
11096 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11098 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11099 longer allocate extra stack for function calls.
11101 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11103 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11105 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11107 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11109 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11111 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11112 * aix43.h: Revert Aug 2 change.
11113 (HAS_INIT_SECTION): Define, not visible yet.
11114 (LD_INIT_SWITCH): Define, not visible yet.
11115 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11117 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11119 * collect2.c (main): Expand ld2 size further.
11120 (export_object_lst): Cast assignment to avoid warning.
11121 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11122 (scan_prog_file, COFF): Do not collect initialization or
11123 finalization functions generated for entire shared object if
11124 init/fini support present.
11126 2000-01-07 Nick Clifton <nickc@cygnus.com>
11128 * config/elfos.h: Tidy up formatting of marcos. Make sure
11129 that .section directives are always prefixed by a tab.
11131 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11134 2000-01-07 Matt Austern <austern@sgi.com>
11136 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11139 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11141 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11143 (crtbegin.o, s-crtS): Likewise.
11145 2000-01-06 Richard Henderson <rth@cygnus.com>
11147 * alpha.md (adddi_2+1): Limit offset such that it will be
11148 loadable with a single ldah+lda pair.
11149 (adddi_2+2): Explicitly fail split if we can't make it work.
11151 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11153 * protoize.c: Conditionally include unistd.h.
11154 (IS_SAME_PATH_CHAR): New macro.
11155 (IS_SAME_PATH): New macro.
11156 (CPLUS_FILE_SUFFIX): New macro.
11157 (cplus_suffix): New static variable.
11158 (is_abspath): New static function.
11159 (in_system_include_dir): Handle DOS style pathnames.
11160 (file_could_be_converted): Likewise.
11161 (file_normally_convertible): Likewise.
11162 (directory_specified_p): Likewise.
11163 (file_excluded_p): Likewise.
11164 (abspath): Likewise.
11165 (shortpath): Likewise.
11166 (referenced_file_is_newer): Likewise.
11167 (save_def_or_dec): Likewise.
11168 (do_processing): Likewise.
11170 (edit_file): Likewise. Use rename instead of link.
11171 (rename_c_file): Likewise. Don't rename syscalls file.
11172 (munge_compile_params): Define null device for DOS based systems.
11173 (process_aux_info_file): Use binary mode if appliable.
11174 (edit_file): Likewise.
11175 * invoke.texi (Running Protoize): Document C++ suffixes used.
11177 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11178 IS_DIR_SEPARATOR macros.
11179 * collect2.c: Likewise.
11180 * cppinit.c: Likewise.
11181 * dwarf2out.c: Likewise.
11183 * gcov.c: Likewise.
11184 * prefix.c: Likewise.
11186 * toplev.c: Likewise.
11187 * system.h: And move to here.
11189 * prefix.c (update_path): Fix typo in variable name.
11191 2000-01-06 Richard Henderson <rth@cygnus.com>
11193 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11194 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11195 (count_reg_sets_1, count_reg_references): Likewise.
11196 (flow_loops_level_compute): Start counting actual loop depth at 1.
11197 (flow_loops_find): Likewise.
11198 * local-alloc.c (update_equiv_regs): Likewise.
11199 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11201 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11203 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11204 FIRST_PSEUDO_REGISTER
11205 * dwarf2out.c: Don't include frame.h
11206 * dwarfout.c: Likewise
11207 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11210 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11212 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11215 * i386.c (movsf splitter): Fix typo in my last checkin.
11217 2000-01-05 Nick Clifton <nickc@cygnus.com>
11219 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11220 own definition of this macro.
11221 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11222 flag_data_sections or UNIQUE_SECTION_P are true.
11224 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11225 unitialised data decls.
11227 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11228 being called for uninitialised data.
11230 * config/i386/interix.c (i386_pe_unique_section): Cope with
11231 being called for uninitialised data.
11233 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11234 for uninitialised data.
11236 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11237 for uninitialised data.
11239 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11240 for uninitialised data.
11242 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11243 (UNIQUE_SECTION_P): Always generate a unique section if
11244 flag_data_sections is true.
11245 (UNIQUE_SECTION): Also generate unique sections for
11246 uninitialised data.
11247 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11248 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11251 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11253 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11256 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11258 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11259 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11260 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11261 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11262 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11264 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11266 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11268 * c-decl.c (finish_enum): Simplify code to determine minimum and
11269 maximum values of the enum, and calculate the type. Remove check
11270 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11271 the DECL_INITIAL of each enumeration constant with a copy converted
11272 to the enumeration type. When updating variant types, don't bother
11273 updating the type itself.
11275 * c-typeck.c (build_binary_op): Simplify conditional expressions
11276 when weeding out spurious signed-unsigned warnings. Add new
11277 spurious warning category: if the unsigned quantity is an enum
11278 and its maximum value fits in signed_type(result_type). Update
11280 (build_conditional_expr): Warn here if one alternative is signed
11281 and the other is unsigned.
11283 2000-01-05 Nick Clifton <nickc@cygnus.com>
11285 * config/fr30/fr30.h: Remove extraneous comments.
11287 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11289 * reload1.c (choose_reload_regs): When disabling a reload, also
11290 set reload_spill_index to -1.
11292 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11294 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11296 (m68*-*-rtemself*): New target.
11297 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11298 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11299 (sparc*-*-rtemself*): New target.
11300 (sparc*-*-rtems*): Now elf not a.out.
11301 * config/i386/rtems.h: Include config/rtems.h.
11302 * config/i386/rtemself.h: Include config/rtems.h.
11303 * config/i960/rtems.h: Include config/rtems.h.
11304 * config/m68k/rtems.h: Include config/rtems.h.
11305 * config/m68k/rtemself.h: Include config/rtems.h.
11306 * config/mips/rtems64.h: Include config/rtems.h.
11307 * config/pa/rtems.h: Include config/rtems.h.
11308 * config/rs6000/rtems.h: Include config/rtems.h.
11309 * config/sh/rtems.h: Include config/rtems.h.
11310 * config/sh/rtemself.h: Include config/rtems.h.
11311 * config/sparc/rtems.h: Include config/rtems.h.
11312 * config/sparc/rtemself.h: Include config/rtems.h
11314 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11316 * final.c (shorten_branches): Correctly compute length of
11317 asms without operands.
11319 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11321 * configure.in: Add pj target.
11322 * configure: Regenerate.
11323 * config/pj: New directory.
11324 * config/pj/lib1funcs.S: New file.
11325 * config/pj/linux.h: New file.
11326 * config/pj/pj.c: New file.
11327 * config/pj/pj.md: New file.
11328 * config/pj/pjl.h: New file.
11329 * config/pj/t-pj: New file.
11330 * config/pj/xm-pj.h: New file
11332 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11334 * toplev.c (rest_of_compilation): Run shorten-branches before
11337 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11339 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11340 macros so that they're consistent with their names.
11341 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11342 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11344 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11346 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11347 modified inadvertently.
11349 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11351 * configure.in (v850*-*-rtems*): New target.
11352 * configure: Regenerate.
11353 * config/v850/rtems.h: New file.
11355 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11357 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11358 (__gthread_key_create): Likewise.
11359 (__gthread_key_dtor): Likewise.
11360 (__gthread_once): Fix logic.
11361 (__gthread_key_delete): Cast away constness.
11363 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11364 * invoke.texi: Document.
11365 * i386/mingw32.h (CPP_SPEC): Use.
11366 (LIBGCC_SPEC): Likewise.
11367 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11369 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11371 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11372 (HANDLE_PRAGMA_PACK): Undefine.
11373 (SLOW_UNALIGNED_ACCESS): Define.
11375 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11377 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11378 to default definition.
11379 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11380 (store_fixed_bit_field): Call macro with word_mode and alignment.
11381 (extract_bit_field): Call macro with relevant mode and alignment.
11382 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11383 to default definition.
11384 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11386 (move_by_pieces_ninsns): Likewise.
11387 (clear_by_pieces): Likewise.
11388 (emit_push_insn): Likewise.
11389 (store_field): Call macro with relevant mode and alignment.
11390 (expand_expr): Likewise.
11391 (expand_expr_unaligned): Likewise.
11393 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11394 (SLOW_UNALIGNED_ACCESS): Define.
11395 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11396 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11397 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11398 (toc_section): Likewise and .toc pseudo-op.
11399 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11401 (TEXT_SECTION_ASM_OP): Likewise.
11402 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11405 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11406 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11407 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11408 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11409 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11411 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11413 * regclass.c: Revert my Jan 4 change to loop cost computation.
11415 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11417 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11420 2000-01-04 Stan Cox <scox@cygnus.com>
11422 * haifa-sched.c (build_control_flow): Change unreachable simple
11423 loop test to check if current block has only one predecessor.
11424 (find_rgns): Initialize degree. Use dest as degree index, not src.
11426 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11428 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11430 * calls.c (expand_call): Likewise for
11431 `old_stack_arg_under_construction'.
11433 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11435 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11438 * gcc.c (execute): Likewise for `ut' and `st'.
11440 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11442 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11444 * jump.c (jump_optimize_1): Likewise for `temp2'.
11446 * local-alloc.c (block_alloc): Likewise for `r1'.
11448 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11450 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11451 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11453 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11456 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11457 and `goal_earlyclobber'.
11459 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11461 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11463 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11465 * unroll.c (copy_loop_body): Likewise for `copy'.
11467 * varasm.c (output_constructor): Likewise for `byte'.
11469 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11471 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11472 all FP constants for constant->reg moves.
11473 (ix86_split_to_parts): Try to convert memory address into immediate
11474 when available in the constant pool.
11475 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11477 (LEGITIMATE_CONSTANT_P): Return 1.
11478 * i386.md (pushsf): New splitter to convert constant pool memory
11479 reference to immediate.
11480 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11483 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11485 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11486 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11487 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11488 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11489 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11491 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11493 * ginclude/stdbool.h: Support compilation as C++.
11495 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11497 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11499 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11501 * regclass.c (regclass): Properly compute loop_cost. Adjust
11504 * regclass.c: Fix minor whitespace problems.
11506 2000-01-03 Anthony Green <green@cygnus.com>
11508 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11509 Restore the pic register if required.
11511 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11513 * c-common.c (format_char_info): Update comment.
11514 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11515 was recognized. Emit warning for formats new in ISO C99 only
11516 if flag_isoc9x is not set.
11518 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11520 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11522 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11524 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11525 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11526 (make_compound_operation): Choose cheaper alternative between
11527 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11529 * regclass.c (op_costs): Remove global variable.
11530 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11531 (record_operand_costs): Break out from ...
11532 (scan_one_insn): ... here.
11533 (dump_regclass): Make dumps nicer.
11534 (regclass): Dump preferrences choosed and changes done during passes.
11536 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11538 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11540 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11542 * config/sparc/sparc.c (gen_df_reg): New function.
11543 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11544 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11545 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11546 movtf_cc_reg_sp64+1): Use it.
11548 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11550 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11551 copied LABEL_DECLs.
11553 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11555 * config/i386/i386.c (ix86_expand_unary_operator): Function
11556 definition made void.
11557 (ix86_expand_binary_operator): Update outdated preceding comment.
11558 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11561 * config/i386/i386.c (override_options): Fix option-name typo.
11563 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11565 * system.h (CEIL): Define.
11566 * builtins.c (CEIL): Remove.
11567 * expmed.c (CEIL): Likewise.
11568 * expr.c (CEIL): Likewise.
11569 * stor-layout.c (CEIL): Likewise.
11571 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11573 * expr.c (store_constructor_field): Fix typo introduced with last
11576 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11578 * tree.h (BINFO_N_BASETYPES): New macro.
11580 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11582 * expmed.c (emit_store_flag): Prevent losing a pending stack
11583 adjust the same way we prevent losing queued increments.
11585 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11587 * function.c (update_temp_slot_address): Handle case where sum of
11588 temporary address plus offset in register is a valid address.
11590 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11592 * genrecog.c (change_state) Corrected typo.
11594 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11596 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11597 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11598 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11600 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11602 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11603 case, expand GT comparisons correctly. Fix a comment before this
11606 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11608 * dwarfout.c: Include "frame.h"
11609 * dwarf2out.c: Likewise.
11610 * Makefile.in (dwarfout.o): Depend on frame.h
11611 (dwarf2out.o): Likewise.
11613 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11615 Restore i386 binary compatibility in Dwarf EH info.
11616 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11617 value of FIRST_PSEUDO_REGISTER.
11618 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11619 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11620 * dwarfout.c (output_reg_number): Ditto.
11621 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11622 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11624 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11626 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11627 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11628 (<hack>_RE_CT): not needed
11629 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11630 rewritten to scan the file text once only
11631 "template<..." test added
11632 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11633 (is_cxx_header): declaration added
11634 * fixinc/fixtests.c(is_cxx_header): removed
11635 (apply_fix_p_t): removed
11636 (double_slash_test): is_cxx_header is only called once now
11637 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11638 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11639 within the templates.
11640 The borken spelling of "broken" was fixed.
11641 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11642 The default level depends on FIXINC_DEBUG.
11644 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11646 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11647 Otherwise provide a declaration for atexit.
11648 (init_dummy): Make sure dummy call to atexit is nevertheless
11649 called with correct number of args.
11651 * frame.c: Update comments referring to other files.
11653 * libgcc2.c: Likewise.
11655 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11657 * cse.c (free_element, get_element): Remove unused prototypes.
11659 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11662 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11665 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11667 * configure.in,configure: case arm for mn10200-*-* now sets
11668 float_format=i32 so that float.h will correctly claim "double"
11669 to be 32 bits. Ran autoconf to generate configure from .in file.
11671 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11673 * pa.md (conditional zero): If op1 is a register, force it into
11674 the same register as op0.
11676 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11678 * tree.h (BINFO_BASETYPES): Improve documentation.
11680 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11682 * configure.in (--enable-checking): Use a more portable `for'
11685 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11687 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11688 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11690 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11693 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11694 Delete descriptions.
11696 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11697 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11698 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11699 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11700 xm-svr4.h: Remove all instances of sys_siglist handling.
11702 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11704 * config/sparc/sparc.md (cmp_zero_qi,
11705 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11706 cmp_zero_extendqidi2_andcc_set): New patterns.
11708 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11710 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11711 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11712 (fpgnulib.c, xfgnulib.c): Add rules.
11713 * m68k/t-mot3300-gas: Likewise.
11715 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11717 * configure.in: Avoid [[ by using test and changequote. Add
11718 changequote required by 1999-12-14 change.
11719 * configure: Rebuild.
11721 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11723 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11725 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11727 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11728 * flow.c (find_use_as_address): Likewise.
11729 * function.c (fixup_var_refs_1): Likewise.
11730 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11731 * jump.c (invert_exp, redirect_exp): Likewise.
11732 * loop.c (replace_call_address): Likewise.
11733 (count_nonfixed_reads): Likewise.
11734 * rtlanal.c (modified_between_p): Likewise.
11735 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11736 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11737 * unroll.c (remap_split_bivs): Likewise.
11739 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11741 * diagnostic.c (v_message_with_decl): Use .* format specifier
11742 instead of building the format specifier width manually.
11744 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11745 determining whether to provide a prototype. Remove the
11746 sys_siglist clause in the conditional.
11748 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11750 * fold-const.c (operand_equal_p): Use memcmp to compare string
11752 Suggested by D. J. Bernstein
11754 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11756 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11757 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11759 * config/mips/mips.h (TARGET_64BIT): Likewise.
11760 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11761 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11762 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11763 dsps. Give routines proper names if SI/DI modes are not used.
11764 * longlong.h: Use DWunion instead of DIunion.
11766 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11768 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11769 GC_CHECKING, GC_ALWAYS_COLLECT.
11770 * configure.in: Allow --enable-checking with an argument
11771 listing check modes to enable.
11772 * config.in, configure: Rebuilt.
11773 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11774 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11775 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11776 ENABLE_GC_ALWAYS_COLLECT.
11777 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11779 * tree.h, tree.c: Change ENABLE_CHECKING to
11780 ENABLE_TREE_CHECKING throughout.
11782 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11784 * fold-const.c (fold_truthop): Properly check for FP RHS.
11786 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11788 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11789 * toplev.c (note_deferral_of_defined_inline_function): New
11790 function, split out from ...
11791 (rest_of_compilation): ... here. Use it.
11793 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11795 * expr.c (store_constructor): Don't call clear_storage if size is
11798 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11800 * Makefile.in (toplev.o): Depend on loop.h.
11802 * dwarfout.c: Include tm_p.h.
11804 * emit-rtl.c (restore_emit_status): Mark parameter with
11807 * final.c (final_scan_insn): Likewise.
11809 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11810 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11811 flow_depth_first_order_compute, flow_loop_pre_header_find,
11812 flow_loop_tree_node_add, flow_loops_tree_build,
11813 flow_loop_level_compute, flow_loops_level_compute,
11814 flow_loop_outside_edge_p): Add prototypes.
11815 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11817 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11818 Mark with ATTRIBUTE_NORETURN.
11820 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11822 * local-alloc.c (no_conflict_p): Likewise.
11824 * loop.c (insert_bct): Hide definitions of variables with hidden
11826 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11828 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11829 with ATTRIBUTE_UNUSED.
11830 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11831 (reg_scan): Likewise.
11833 * reload.c (find_reloads): Remove unused variables `changed'.
11835 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11837 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11838 Remove unused variable `insn'.
11840 * toplev.c: Include loop.h.
11841 (report_file_and_line): Remove unnecessary prototype.
11843 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11845 * unroll.c (biv_total_increment): Likewise.
11847 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11849 * reload1.c (emit_input_reload_insns): Restore old behaviour
11850 wrt. 'special' reloads.
11852 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11854 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11855 hash.h. (cse.c): Don't depend on hashtab.h.
11857 * cse.c: Don't include hashtab.h.
11858 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11860 * ggc-simple.c: Don't include hash.h.
11862 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11864 * dwarf2out.c (add_abstract_origin_attribute): Call
11865 gen_abstract_function on our function context.
11867 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11869 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11871 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11873 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11876 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11878 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11879 constraints to "a!r".
11881 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11883 * Makefile.in (calls.o): Depend on function.h.
11884 (alias.o): Likewise.
11886 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11888 * reload1.c (emit_reload_insns): Break out code and variables into...
11889 (input_reload_insns, other_input_address_reload_insns,
11890 other_input_reload_insns, input_address_reload_insns,
11891 inpaddr_address_reload_insns, output_reload_insns,
11892 output_address_reload_insns, outaddr_address_reload_insns,
11893 operand_reload_insns, other_operand_reload_insns,
11894 other_output_reload_insns): ... new static variables, and...
11895 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11896 do_output_reload): ... new functions.
11898 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11900 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11902 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11904 * md.texi: Add c4x constraints documentation.
11906 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11908 * config/i386/dgux.c (struct option): Rename to
11909 lang_independent_option.
11910 (struct m_options): Add description field.
11911 (output_options): Rename option type, add sep declaration, output
11912 ix86_cpu_string and ix86_arch_string only if set.
11913 (output_file_start): Rename option type.
11915 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11917 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11919 (libgcc2.a): Similarly.
11921 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11923 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11924 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11925 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11927 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11929 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11930 Remove redundant initialization of "frexpon" and "expon".
11932 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11934 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11936 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11937 (store_constructor_field, expand_expr): Pass new arg.
11939 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11941 * Makefile.in (explow.o): Depend on function.h.
11943 * stor-layout.c (set_sizetype): Fix typo.
11945 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11947 * function.c (cfun): Renamed from current_function. All users
11949 * function.h (cfun): Rename declaration as well.
11951 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11952 to be of type regset_head, not regset. All users changed by adding
11954 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11956 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11958 * config/c4x/rtems.h: New file.
11960 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11962 * reload1.c (spill_failure): Take class of failed reload as argument
11963 and print it. Caller changed.
11965 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11967 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11968 (TARGET_SWITCHES): Allow subtargets to default switches.
11969 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11971 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11973 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11976 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11978 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11979 * cppinit.c (cpp_handle_option): Likewise.
11981 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11982 determine when to define.
11984 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11986 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11987 cmove with mismatched test and data modes.
11989 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11991 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11994 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11996 * alias.c: Minor reformatting.
11997 * flow.c: Likewise.
11998 * regs.h: Likewise.
11999 * stor-layout.c: Likewise.
12000 * fold-const.c: Likewise.
12001 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12002 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12004 (size_int_wide): Cache nodes even if garbage collecting.
12005 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12006 of SAVE_EXPR has no side effects.
12007 * cse.c: Move a comment.
12008 * tree.c: Minor reformatting.
12009 (int_size_in_bytes): Return -1 if constant overflows.
12011 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12013 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12015 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12017 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12018 after any change to c-parse.in, even if objc-parse.y didn't
12021 1999-12-18 David S. Miller <davem@redhat.com>
12023 * toplev.c (rest_of_compilation): Restore BLOCK tree
12024 reconstruction and branch shortening changes lost in
12025 December 18th change.
12027 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12029 * config/arm/linux-elf.h: Change all instances of
12030 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12031 * config/arm/uclinux-elf.h: Likewise.
12033 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12035 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12036 v_message_with_decl, file_and_line_for_asm,
12037 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12038 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12039 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12040 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12041 pfatal_with_name, fatal_io_error, need_error_newline,
12042 last_error_function, last_error_tick, announce_function,
12043 default_print_error_function, print_error_function,
12044 report_error_function, fnotice, error_with_file_and_line,
12045 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12046 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12047 warning_with_decl, warning_for_asm, warning, pedwarn,
12048 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12050 (compile_file): Use fnotice instead of notice. Adjust call.
12052 * diagnostic.c: New file.
12054 * Makefile.in (OBJS): Include diagnostic.o
12055 (diagnostic.o): Define dependence.
12057 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12059 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12062 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12064 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12066 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12068 * fixtests.c (is_cxx_header): New fn, split out of
12070 (else_endif_label): Allow "#endif // comment" in C++ headers,
12071 as determined by is_cxx_header.
12072 * fixfixes.c (else_endif_label_fix): Update comment.
12073 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12075 * genfixes: Correct double thinko in commandline parsing.
12076 * hackshell.tpl: Generate correct sh syntax for bypass
12079 * inclhack.def (all): Whenever an inserted preprocessor
12080 conditional is split over multiple lines, use double
12081 backslashes in this file so the fixed header will be readable.
12083 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12084 and add bypass entry for correct version of this header.
12085 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12086 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12088 (hpux8_bogus_inlines): New fix, split from...
12089 (ultrix_atof_param) ... here.
12090 (math_expression): Add bypass entry keyed to glibc comment
12091 indicating the problem has been dealt with; disable
12092 unnecessary sed operations; update commentary.
12093 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12094 add select and bypass entries, simplify shell operation.
12095 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12097 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12098 ultrix_atof_param): Add select entry.
12099 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12100 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12101 comments with the fixes they describe.
12103 * c-parse.in (string action): Do not warn about ANSI string
12104 concatenation in system headers. Affects C parser only.
12105 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12107 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12109 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12110 compiling libgcc2 the macro depends always on arch cpp defines.
12112 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12114 * loop.c (insert_loop_mem): Don't record MEMs from inside
12117 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12119 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12121 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12122 notes too, create one when replacement failed, attempt to simplify
12124 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12125 or REG_EQUIV notes.
12127 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12129 * crtstuff.c (__dso_handle): Declare.
12130 (__cxa_finalize): Likewise.
12131 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12134 * invoke.texi: Document -fuse-cxa-atexit.
12136 * tree.h (ptr_type_node): Document.
12137 (const_ptr_type_node): Likewise.
12139 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12141 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12142 (optimize_reg_copy_2): Likewise.
12143 (optimize_reg_copy_3): Likewise.
12144 (fixup_match_2): Likewise.
12145 (regmove_optimize): Likewise.
12146 (fixup_match_1): Liekwise.
12148 * i386.md (HI to SImode promoting splitters): Rewrite.
12149 (pushsf mem peep2): New.
12150 (testhi to andhi peep2): Remove.
12151 * i386.h (x86_promote_QImode): New.
12152 (TARGET_PROMOTE_QImode): New.
12153 (PREDICATE_CODES): Add promotable_binary_operator.
12154 * i386.c (x86_promote_QImode0: New.
12155 (promotable_binary_operator): New.
12156 * i386-protos.h (promotable_binary_operator): New.
12158 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12160 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12162 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12164 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12165 * function.c (insert_block_after_note): Remove.
12166 (retrofit_block): Likewise.
12167 (identify_blocks): Fix indentation.
12168 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12169 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12170 * function.h (insert_block_after_note): Remove prototype.
12171 (retrofit_block): Likewise.
12172 * integrate.c (expand_inline_function): Don't call
12173 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12174 just expand_start_bindings. Use the block_map to remap old
12175 NOTE_BLOCKs to new ones.
12176 (integrate_decl_tree): Keep track of remapped blocks.
12177 * integrate.h (struct inline_remap): Add block_map.
12178 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12179 NOTE_BLOCK on the notes.
12180 (expand_start_bindings): Rename to ...
12181 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12182 (expand_end_bindings): Set NOTE_BLOCK.
12183 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12184 reconstruct the BLOCK tree.
12185 * tree.h (expand_start_bindings): Macroize. Call ...
12186 (expand_start_bindings_and_block): New function.
12188 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12190 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12191 to match the format.
12193 1999-12-16 David S. Miller <davem@redhat.com>
12195 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12196 the outputs is a SUBREG.
12197 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12200 * config/sparc/sparc.c (epilogue_renumber): Add default case
12203 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12205 * toplev.c (rest_of_compilation): Run branch shortening after
12208 * regclass.c (loop_depth): Remove
12209 (scan_one_insn): Do not handle LOOP_NOTE insns.
12210 (regclass): Go through basic blocks and set loop_cost
12212 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12214 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12216 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12218 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12219 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12220 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12222 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12224 * loop.c (insert_loop_mem): Ignore memory clobbers.
12226 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12229 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12231 * profile.c: Remove redundant #include "output.h".
12233 * h8300.md (HImode preinc peephole): Fix typo.
12235 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12237 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12238 (insert_block_after_note): Abort if we don't have a previous block.
12239 Remove FN parameter.
12240 * function.h: Adjust.
12242 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12244 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12245 argument more than once.
12247 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12249 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12251 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12253 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12255 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12257 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12258 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12259 update stack_alignment_needed.
12260 (prepare_function_start): Initialize stack_alignment_needed
12261 * function.h (struct function): Add field stack_alignment_needed.
12263 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12265 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12266 Handle live_throughout / dead_or_set instead of live_before /
12268 (save_call_clobbered_regs): Get register livenessinformation from
12269 chain->live_throughout.
12270 (add_stored_regs): New function.
12271 (insert_restore, insert_save): Add restored / saved registers to
12273 * global.c (reg_dies): New parameter chain.
12274 (reg_becomes_live): Third parameter is regs_set now.
12275 Changed all callers.
12276 (reg_dies): New parameter chain. Changed all callers.
12277 (build_insn_chain): Set live_throughout instead of
12278 live_before / live_after.
12279 * reload.h (struct insn_chain): Replace members live_before /
12280 live_after with live_throughout / dead_or_set.
12281 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12282 instead of live_before / live_after.
12283 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12284 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12285 (choose_reload_regs_init): Likewise.
12286 * stupid.c (current_chain, find_clobbered_regs): Delete.
12287 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12288 instead of chain->live_before / chain->live_after.
12289 (mark_hard_ref): New function.
12290 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12292 1999-12-15 David S. Miller <davem@redhat.com>
12294 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12296 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12298 * flow.c (calculate_loop_depth): Make global, remove prototype,
12299 rewrite to use new loop infrastructure.
12300 (find_basic_block): Remove calculate_loop_depth call.
12301 * toplev.c (rest_of_compilation): Call find_basic_block.
12302 * output.h (calculate_loop_depth): Declare.
12304 * flow.c (dump_flow_info): Dump loop_depth.
12305 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12307 (flow_loops_find): Initialize the loop_depth for each basic block.
12309 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12311 * tree.c (decl_function_context): Handle virtual functions.
12313 * tlink.c (scan_linker_output): Don't look in demangled name when
12314 looking for linker output keywords.
12316 * dwarfout.c (output_type): We can defer namespace-scope classes.
12318 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12320 * regclass.c (record_reg_classes): Update comment for merging
12321 register class preferences in reg->reg copies. Tighten conditions
12322 for merging register class preferences in reg->reg copies.
12324 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12326 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12328 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12330 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12331 (INIT_SECTION_ASM_OP): Delete.
12332 (FINI_SECTION_ASM_OP): Delete.
12333 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12335 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12337 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12338 the abstract origin wasn't emitted.
12340 * dwarf2out.c (class_scope_p): New fn.
12341 (gen_subprogram_die): Use it.
12342 (gen_variable_die): Use it. Tweak logic.
12343 (gen_struct_or_union_type_die): Check context_die to determine
12344 if we're function-local.
12345 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12347 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12349 * loop.c (check_dbra_loop): Can't reverse a biv that has
12350 maybe_multiple set.
12352 1999-12-14 Nick Clifton <nickc@cygnus.com>
12354 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12357 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12359 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12360 for givs made from biv increments.
12362 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12364 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12365 * alpha.c (override_options): Recognize -mcpu=ev67.
12366 * alpha.h (CPP_CPU_EV67_SPEC): New.
12367 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12368 (EXTRA_SPECS): Update.
12370 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12372 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12373 appropriate for -lang-c89 and -std=*.
12374 * cppinit.c (cpp_handle_option): Likewise.
12375 (new_pending_define): New, split out from cpp_handle_option.
12376 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12377 or enable trigraphs for -ansi/-std=*.
12379 * ginclude/stdarg.h (__va_copy): New.
12380 (va_copy): Don't define for C89.
12382 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12384 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12385 for long long multiply-accumulate.
12387 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12389 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12390 optimizing for size.
12392 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12394 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12395 if something changed. Back out that part of yesterday's changes.
12397 * loop.c (loop_max_reg): New static variable.
12398 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12400 (scan_loop): Call reg_scan_update whenever we may have added new
12401 registers, and update loop_max_reg.
12403 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12405 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12406 when source does not die.
12408 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12410 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12412 * config/sparc/linux64.h (TARGET_LIVE_G0,
12413 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12415 * config/sparc/linux.h (TARGET_LIVE_G0,
12416 TARGET_BROKEN_SAVERESTORE): Likewise.
12417 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12418 TARGET_BROKEN_SAVERESTORE): Likewise.
12420 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12421 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12423 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12424 as sparc64 block profiling register.
12425 * config/sparc/sparc.c (sparc_override_options): Allow block
12426 profiling with -m32.
12427 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12428 profiling register.
12429 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12430 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12431 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12433 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12435 * config/sparc/sparc.h: Likewise.
12436 * config/sparc/xm-sysv4-64.h: Likewise.
12437 * config/float-sparc.h: Likewise.
12438 * glimits.h: Likewise.
12439 * longlong.h: Likewise.
12441 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12442 (ASM_IDENTIFY_GCC): Remove.
12444 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12446 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12447 (simplify_logical): Likewise.
12449 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12451 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12452 * cppfiles.c (INO_T_EQ): Likewise.
12454 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12456 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12457 * i386/mingw32.h (LIB_SPEC): Likewise.
12458 (STARTFILE_SPEC): Likewise.
12459 * i386/uwin.h (LIB_SPEC): Likewise.
12460 (STARTFILE_SPEC): Likewise.
12462 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12463 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12465 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12467 * combine.c (combine_simplify_rtx): Fix order of checks for
12468 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12470 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12472 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12473 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12475 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12477 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12479 * regclass.c (inv_reg_alloc_order): New array.
12480 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12482 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12483 counted_for_groups, counted_for_nongroups. Add fields rld and
12485 * reload.c (push_secondary_reload): Don't set nongroup field of
12487 (push_reload): Likewise.
12488 (find_reloads): Delete code to compute nongroup fields.
12489 * reload1.c (reload_insn_firstobj): New static variable.
12490 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12492 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12493 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12494 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12496 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12498 (struct hard_reg_n_uses): Deleted.
12499 (potential_reload_regs): Deleted.
12500 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12501 (reload): Don't try to allocate reload registers if we already know
12502 we have to make another pass. Call select_reload_regs. Free memory
12503 starting with reload_firstobj when starting another pass.
12504 Don't allocate spilled_pseudos.
12505 (calculate_needs_all_insns): Call copy_reloads for an insn that
12506 needs reloads; don't call calculate_needs.
12507 (spill_cost): New static array.
12508 (used_spill_regs_local): New static variable.
12509 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12510 to compute potential_reload_regs.
12511 (find_reload_regs): Completely rewritten to use find_reg.
12512 (allocate_reload_reg): Don't test counted_for_groups or
12513 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12514 all cllers changed.
12515 (choose_reload_regs): Add fallback code that uses the existing
12516 register allocation from find_reload_regs.
12518 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12520 * flow.c (create_edge_list): Cast xmalloc return value.
12522 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12524 * doprnt.c: Remove incorrect comment closure.
12526 * cse.c: Fix a few minor whitespace goofs.
12528 1999-12-13 Don Bowman <don@pixstream.com>
12530 * mips/vxworks.h: Fix problem with comment termination.
12531 (EXTRA_SECTIONS): Add in_sbss.
12532 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12534 1999-12-12 David S. Miller <davem@redhat.com>
12536 * cse.c (struct cse_reg_info): Add hash_next member,
12537 reorder rest of struct for better packing on 64-bit
12539 (cse_reg_info_tree): Kill.
12540 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12541 REGHASH_FN): New custom pow2 hash mechanism.
12543 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12544 use a pow2 hash table.
12545 (get_cse_reg_info): Rework to use new REGHASH.
12546 (new_basic_block): Likewise, use HASH_SIZE, and inline
12548 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12549 and inline free_element call.
12550 (lookup_as_function, insert, flush_hash_table, invalidate,
12551 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12552 invalidate_for_call, use_related_value, find_comparison_args,
12553 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12554 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12555 get_element): Kill.
12557 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12559 * cse.c (cse_basic_block): Free qty_table consistently.
12561 1999-12-12 David S. Miller <davem@redhat.com>
12562 Jakub Jelinek <jakub@redhat.com>
12564 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12565 SUBREGs by hand, gen the appropriate hard reg directly.
12566 (movtf reg/mem split): Likewise and alter_subreg on destination
12568 (movtf mem/reg split): Similarly.
12569 (movdf_cc_sp64): Rename from hidden pattern.
12570 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12571 (movtf_cc_sp64, following split): New pattern and splitter.
12572 (movdf_cc_reg_sp64): Rename from hidden pattern.
12573 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12575 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12577 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12579 * loop.c (load_mems): Don't hoist written floating point mem
12582 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12584 * except.h (struct eh_queue): Add `next' pointer.
12585 (struct eh_status): Make x_ehqueue a pointer.
12586 (push_ehqueue): Declare.
12587 (pop_ehqueue): Likewise.
12588 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12590 (expand_fixup_region_end): Likewise.
12591 (expand_leftover_cleanups): Likewise.
12592 (push_ehqueue): Define.
12593 (pop_ehqueue): Likewise.
12594 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12595 than doing it inline.
12596 (expand_start_all_catch): Adjust now that ehqueue is a
12598 (mark_eh_queue): Mark all level of the queue.
12599 (mark_eh_status): Adjust now that ehqueue is a
12601 (init_eh_for_function): Allocate ehqueue.
12602 (free_eh_status): Free it.
12603 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12604 expansion for a fixup.
12606 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12608 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12610 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12611 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12612 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12613 function_ptr, getpagesize, __enable_execute_stack,
12614 __enable_execute_stack, __clear_insn_cache,
12615 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12616 _cleanup, _exit, __default_terminate, __terminate_func,
12617 __terminate, __empty, __throw, new_eh_context,
12618 eh_context_initialize, eh_context_static, eh_context_specific,
12619 get_eh_context, __get_eh_context, __get_eh_info,
12620 init_reg_size_table, eh_threads_initialize,
12621 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12622 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12623 __pure_virtual): Add prototype arguments.
12624 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12625 Cast a signed value to unsigned long when comparing against one.
12626 (new_eh_context): Wrap in _GTHREADS macro.
12627 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12629 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12630 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12632 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12634 * combine.c (record_promoted_value): Remove unused variable
12637 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12639 * global.c (record_conflicts): Likewise for `j'.
12641 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12644 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12646 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12647 output_fp_compare): Constify a char*.
12649 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12651 (override_options, ix86_comp_type_attributes, print_operand,
12652 output_387_binary_op, output_fix_trunc, output_fp_compare):
12654 (ix86_sched_reorder): Mark parameter `clock_var' with
12657 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12659 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12661 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12662 operand, for use in the Java front-end.
12664 1999-12-10 Ben Collins <bcollins@debian.org>
12666 * configure.in: Fix typo for "-64" in 64bit as check.
12667 * configure: Rebuilt.
12669 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12671 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12674 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12676 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12677 concatenation is utilized.
12679 * invoke.texi (-Wtraditional): Document it.
12681 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12683 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12684 Cast a ptrdiff_t to long and pass it to printf with %ld.
12686 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12688 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12689 68881, we have no 68881 registers at all.
12690 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12691 value in a 68881 register if it is available.
12693 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12695 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12696 for long long multiply-accumulate.
12698 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12700 * loop.c (insert_loop_mem): Undo last change.
12702 1999-12-10 David S. Miller <davem@redhat.com>
12704 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12706 * config/sparc/sparc-protos.h: Add them.
12707 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12708 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12709 constraints which use those helpers.
12710 (EXTRA_CONSTRAINT): Use this new macro.
12711 * md.texi: Update sparc target constraints documentation.
12712 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12713 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12714 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12715 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12716 (movsf high/lo_sum split): Rework for new patterns.
12717 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12719 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12721 * c-common.c (c_common_nodes_and_builtins):
12722 Create __builtin_ptrdiff_t and __builtin_size_t.
12724 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12726 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12728 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12730 * regclass.c (globalize_reg): Re-instate test that allows
12731 fixed registers to be declared as a variable even after functions
12734 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12736 * i386.md (cpu attribute): Add "athlon".
12737 (athlon_decode): New attribute.
12738 (Athlon scheduling units definitions): New.
12739 (fcmp and shld patterns): Set athlon_decode to "vector".
12740 * i386.c (athlon_cost): New.
12742 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12743 x86_use_sahf): Set for Athlon.
12744 (x86_use_fiop): Unset for Athlon.
12745 (override_options): Define Athlon alignments and "athlon" name.
12746 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12747 * i386.h (TARGET_ATHLON): New.
12748 (enum processor_type): Add PROCESSOR_ATHLON.
12749 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12751 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12753 1999-12-09 Andreas Jaeger <aj@suse.de>
12755 * loop.c (record_biv): Declare parameter as int.
12757 * config/i386/i386-protos.h: Declare long_memory_operand.
12759 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12761 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12762 EXPR_WITH_FILE_LOCATION.
12764 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12766 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12769 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12771 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12774 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12776 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12777 default on linux64 again.
12778 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12779 models for multilibing.
12780 * genmultilib: Accept | as alternative separator within a set in
12783 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12785 * calls.c (precompute_arguments): Make sure initial_value contains
12786 value pseudo which CSE expects.
12787 * cse.c (struct set): New entry orig_src.
12788 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12791 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12793 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12795 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12797 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12799 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12801 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12802 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12804 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12807 * longlong.h: Merge in changes from glibc.
12808 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12809 -mno-app-regs libgcc can be compiled.
12810 * libgcc2.c: Add defines so that the updated longlong.h
12811 can be used in libgcc2.a. Also, make sure on most architectures
12812 (at least on all which have optimized code in longlong.h defined
12813 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12815 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12817 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12818 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12819 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12821 * configure: Rebuilt.
12823 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12825 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12826 outputs require a register.
12828 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12830 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12831 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12832 functions like dptoul will be resolved.
12833 (libgcc2.a): Make sure that the object files from DPBIT are named
12834 differently (prefix `_dp') from those that would be coming from
12837 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12839 * configure.in: When target is sparc* and tm_file contains 64,
12840 test for 64bit support in assembler. If not supported, remove
12841 sparc/t-sol2-64 from target-dependent Makefile fragments.
12842 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12843 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12844 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12845 * acconfig.h (AS_SPARC64_FLAG): Added.
12846 * configure, config.in: Rebuilt.
12847 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12848 support. Use AS_SPARC64_FLAG.
12850 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12852 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12853 suitable for holding OFmode values so that gcc works with complex
12855 (hard_64bit_mode_classes): Likewise.
12857 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12858 so that it is actually matched.
12859 (sethi_di_medlow): Likewise.
12861 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12862 as legitimate constant if -mvis.
12863 * config/sparc/sparc.md (movtf): Likewise.
12864 (clear_sf): Use const_double_operand.
12865 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12867 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12868 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12869 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12870 routines, _Qp_* cannot be handled like that now.
12871 (INIT_TARGET_OPTABS): Likewise.
12872 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12873 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12874 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12875 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12876 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12877 divtf3, sqrttf3): New expanders.
12878 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12879 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12880 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12883 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12884 * configure: Rebuilt.
12885 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12886 -mcpu is given and we're doing 64bit compiles.
12888 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12890 * loop.h (struct induction): Add multi_insn_incr.
12891 * loop.c (basic_induction_var): New multi_insn_incr argument.
12892 Set it if we search back through previous insns for the biv.
12893 (record_biv): New multi_insn_incr argument; fill in struct induction.
12894 (strength_reduce): Discard an iv with multiple bivs, any of
12895 which require multiple insns to increment.
12897 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12899 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12902 1999-12-06 David S. Miller <davem@redhat.com>
12904 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12905 PROMOTE_FUNCTION_RETURN.
12907 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12909 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12910 and handle REG_UNUSED note on insn.
12912 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12913 inner_mask instead of mask.
12915 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12917 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12918 zero if there was an error.
12920 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12922 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12925 * longlong.h: Fix clobbers in SPARC asm statements.
12927 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12928 valid sethi operations when TARGET_ARCH64.
12930 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12931 always use move_by_pieces to avoid infinite recursion.
12932 (restore_fixed_argument_area): Likewise.
12934 * combine.c (check_promoted_subreg, record_promoted_value): New
12936 (combine_instructions): Use them to retain nonzero and sign bit
12937 information after SUBREGs are eliminated by optimizations in
12938 this pass if PROMOTE_FUNCTION_RETURN.
12940 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12941 .register declaration. Don't use variables with __ prefixes.
12943 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12945 * fold-const.c (optimize_bit_field_compare): Only use one mode
12946 for both RHS and LHS in non-constant case.
12948 1999-12-06 Nathan Sidwell <nathan@acm.org>
12950 * frame.c (start_fde_sort): Only allocate erratic array, if
12951 linear one was allocated. Return allocated flag.
12952 (fde_insert): Only insert, if there's a valid array.
12953 (fde_end_sort): Split, sort and merge if linear and erratic
12954 arrays exist, else just sort linear one.
12955 (search_fdes): New function. Linear search through original fde
12957 (frame_init): Permit multiple initializations. Cope with
12959 (find_fde): Fallback on linear search, if failed to sort array.
12960 (__deregister_frame_info): Only free sorted array, if we
12963 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12965 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12967 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12969 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12971 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12973 * tree.h (special_function_p): Declare.
12974 * calls.c (special_function_p): Make it global. Don't take `name'
12975 as a parameter. Fix typo in 1999-11-28 change.
12976 (expand_cal): Adjust.
12978 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12980 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12981 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12982 EXPR_WFL_FILENAME_NODE.
12983 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12985 * print-tree.c (print_note): Print TREE_PRIVATE and
12988 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12989 the original die cannot be found.
12991 * varray.h (varray_head_tag): Add elements_used.
12992 (VARRAY_PUSH): New macro.
12993 (VARRAY_POP): Likewise.
12994 (VARRAY_TOP): Likewise.
12995 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12997 * varray.c (varray_init): Initialize elements_used.
12998 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12999 (INTEGRATE_H): New variable.
13000 (integrate.o): Depend on INTEGRATE_H.
13001 (unroll.o): Likewise.
13003 * function.h (insert_block_after_note): Declare.
13004 * function.c (insert_block_after_note): Split out from ...
13005 (retrofit_block): ... here.
13007 * stmt.c (expand_fixup): Fix typo in comment.
13009 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13011 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13012 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13013 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13014 (regmove_optimize, fixup_match_1): Likewise.
13016 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13018 * flow.c (flow_loops_dump): Add missing argument when calling
13019 flow_loop_nested_p.
13021 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13022 Greg McGary <gkm@gnu.org>
13024 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13025 (init_attributes): Add A_NO_LIMIT_STACK.
13026 (decl_attributes): Handle A_NO_LIMIT_STACK.
13027 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13028 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13029 Handle stack bounds checking.
13030 * flags.h (flag_stack_check): Use the word 'probe' rather than
13031 'check', because the flag doesn't actually cause any checking to
13033 * function.c (expand_function_start): Set
13034 current_function_limit_stack.
13035 * function.h (struct function): Add limit_stack.
13036 (current_function_limit_stack): Define.
13037 * invoke.texi (Code Gen Options): Document new options.
13038 * rtl.h: Declare stack_limit_rtx.
13039 * toplev.c (stack_limit_rtx): New variable.
13040 (decode_f_option): Handle new options -fstack-limit-register=REG,
13041 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13042 (main): Add stack_limit_rtx as GC root.
13043 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13044 (struct tree_decl): New member no_limit_stack.
13046 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13048 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13049 (conditional_trap+1): Get new mnemonic correct.
13050 (conditional_trap+2): New pattern for DImode traps.
13052 * config/m68k/m68k.c (output_function_prologue): Handle
13054 * config/m68k/m68k.md (trap): New insn.
13055 (conditional_trap): New insn.
13056 * md.texi (Standard Names): Document `trap' and
13057 `conditional_trap'.
13058 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13059 so a cc0 setter doesn't get emitted at some random place in the
13062 * config/i960/i960.md (trap): New insn.
13063 (conditional_trap): New expander.
13064 (conditional_trap+1, conditional_trap+2): New insns for signed
13065 and unsigned cases.
13066 * config/i960/i960.c (i960_function_prologue): Use
13067 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13069 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13070 Geoffrey Keating <geoffk@cygnus.com>
13072 * flags.h (warn_padded, warn_packed): Add global var decls.
13073 * toplev.c (warn_padded, warn_packed): Add global var defns.
13074 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13075 * stor-layout.c (layout_record): Add local variable `type'
13076 to hold often-used TREE_TYPE (field). Add local variable
13077 `unpacked_align' to hold alignment that would be in force
13078 if no `packed' attribute were present. Warn if `packed' attribute
13079 is unnecessary, or even harmful. Warn when gcc inserts padding
13080 to satisfy alignment requirements of members. Use NULL_TREE
13081 when checking whether var_size is set.
13082 * invoke.texi: Document new flags.
13084 1999-12-03 Nathan Sidwell <nathan@acm.org>
13086 * frame.c (fde_split): Reimplement to avoid variable sized array.
13088 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13090 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13091 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13093 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13095 * invoke.texi: Document the mips option -mno-crt0
13097 1999-12-02 Mike Karr <mkarr@mathworks.com>
13099 * cccp.c (argdata): Added free_ptr member.
13100 (macroexpand): Initialize free_ptr of each argument. When an
13101 argument's buffers are freed, if the argument's free_ptr corresponds
13102 to a buffer on the input stack, then return the free_ptr to that stack
13103 frame, otherwise, free it.
13104 (macarg): If an argument begins and ends on the same input stack level,
13105 then transfer the free_ptr of that buffer to the argument in case
13106 the stack is popped during the processing of a subsequent argument.
13108 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13110 * loop.c (note_reg_stored): New function.
13111 (struct note_reg_stored_arg): New structure.
13112 (try_copy_prop): Change to be more conservative; only replace within
13113 one extended basic block and stop replacing if a store to the
13114 replacement reg is seen.
13116 1999-12-02 Nick Clifton <nickc@cygnus.com>
13118 * config/fp-bit.c: Initialise all fields of the NAN
13121 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13124 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13126 * i386.md (extend?f?f2): Force the input into a register, not
13129 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13131 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13133 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13134 alternative because setting up 64bit constant is usually costly,
13135 especially when reload is in progress or completed.
13136 (movdf_const_intreg_sp64): Likewise.
13137 (movdf_const_intreg split): Fix building up constants when
13138 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13140 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13142 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13143 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13146 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13147 (asm_file_start): Emit .am33 into assembly file when compiling for
13149 (print_operand_address): Handle POST_INC addresses.
13150 (can_use_return_insn, initial_offset): Check AM33 registers too.
13151 (expand_prologue): Check & save AM33 registers too.
13152 (expand_epilogue): Similarly.
13153 (secondary_reload_class): Handle AM33 specific secondary reloads.
13154 (output_tst): Emit efficient code for the AM33 too.
13155 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13156 (TARGET_SWITCHES): Add -mam33 switch.
13157 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13158 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13159 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13160 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13161 (enum reg_class, REG_CLASS_NAMES): Likewise.
13162 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13163 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13164 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13165 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13166 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13167 (HAVE_POST_INCREMENT): Define.
13168 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13169 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13170 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13171 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13172 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13173 (zero_extend to SI from QI/HI): Likewise.
13174 (sign_extend to SI from QI/HI): Likewise.
13175 (mulsidi3, umulsidi3): New patterns for the AM33.
13176 (tstsi with zero extension from QI/HI): Add AM33 variants.
13177 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13178 (return_internal_regs, store_movm): Handle new AM33 registers.
13179 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13180 (LIBGCC, INSTALL_LIBGCC): Likewise.
13181 * invoke.texi: Document new flags.
13183 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13185 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13186 (addsi3_carry): Likewise.
13187 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13188 (sbbsi3_carry): Likewise.
13189 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13190 (mulhi3): Likewise.
13191 (test?i_1): Ensure that only one operand is memory.
13192 (conditional move patterns): likewise.
13193 (shift and rotate patterns): Rewrite to expander, add
13194 "binary_operator_ok" to the condition.
13196 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13197 * i386.h (procesor_costs): Add movzbl_load field.
13198 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13199 non-Q registers, accept DImode registers anywhere.
13201 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13202 * i386.c (*_cost): Set value for movxbl_load field.
13204 * (addsi): New add to lea splitter.
13205 (ashlsi): Likewise.
13206 (lea to add/shift peep2): New.
13208 1999-12-01 Mark Salter <msalter@cygnus.com>
13210 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13211 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13212 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13214 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13216 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13217 * i386.md (movsi_xor): New.
13219 (movsi_1, movhi_1, movqi_1): Remove.
13220 (movsi_2): Rename to movsi_1.
13221 (movhi_2): Rename to movhi_1.
13222 (movqi_2): Rename to movqi_1.
13223 (movdi_1): Remove; remove splitter.
13224 (movdi_2): Rename to movdi_1.
13225 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13226 (long move peep2): Do not create QI or HI mode mov0s
13227 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13229 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13232 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13233 (abs?f2_if): Likewise.
13235 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13237 * ggc.h (ggc_test_and_set_mark): New macro.
13238 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13239 (ggc_mark_tree): Likewise.
13240 (ggc_mark_rtvec): Likewise.
13241 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13243 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13245 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13247 (decl_scope_table): Just an array of trees now.
13248 (push_decl_scope): Simplify.
13249 (dwarf2out_init): Adjust.
13250 (local_scope_p): New fn.
13251 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13252 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13253 (gen_typedef_die): Likewise.
13254 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13255 (gen_inlined_subroutine_die): Likewise.
13256 (gen_abstract_function): Set current_function_decl temporarily.
13257 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13258 Handle block extern declarations. Don't call push/pop_decl_scope.
13259 (gen_decl_die): Fix logic for block externs.
13261 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13263 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13264 to the list of functions which have attribute malloc by default.
13266 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13268 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13269 integer constant does not match the traditional type, limit the
13270 warnings to cases where the base of the type is ten.
13272 * invoke.texi (-Wtraditional): Document it.
13274 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13276 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13277 * rs6000.md: Only access a CONST_INT with INTVAL
13279 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13281 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13282 (compute_nearerout): Likewise.
13283 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13284 size_t to unsigned long for formatting.
13286 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13288 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13289 Allow the user to override call-used/fixed state of %g2-5
13290 registers from the command line (with the exception of %g4 for
13292 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13293 there is a higher chance of having a leaf function.
13294 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13295 for ARCH64 which has %ccr register.
13296 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13298 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13299 insn accept into delay slot any insn which does not use %[ol]
13300 registers. Accept some LO_SUM and shift left by 1 for the normal
13302 (output_function_epilogue): Likewise.
13303 (epilogue_renumber): Added argument which inhibits any renumbering
13304 and just tests if the rtx does not use any %[ol] registers.
13305 (output_return): Reflect above change.
13307 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13309 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13310 aggregate passing for sizes <= 16 bytes.
13312 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13314 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13315 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13316 * reload.c (find_dummy_reload): Likewise.
13317 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13318 * reload1.c (reload_as_needed): Likewise.
13319 * stupid.c (stupid_find_reg): Likewise.
13320 * tm.texi (Obsolete Register Macros): Delete section.
13321 * gmicro.h: Remove all traces of the two macros.
13322 * i386.h: Likewise.
13323 * m88k.h: Likewise.
13324 * mips.h: Likewise.
13326 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13328 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13329 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13330 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13331 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13332 units for the sparclite86x chip.
13333 (flush): Revert October 14th change; add SImode specifically.
13334 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13335 * invoke.texi: Document it.
13337 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13339 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13340 psimode_truncation_operand.
13342 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13343 function. Return true if the operand is either a MEM valid
13344 for a PSImode address or not a MEM at all.
13346 * config/mn10200/mn10200.md (truncsipsi2): Use
13347 psimode_truncation_operand.
13349 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13351 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13352 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13353 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13354 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13355 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13356 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13357 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13358 * basic-block.h: Protect from multiple inclusion.
13359 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13360 (struct loops, struct loop): Define structures.
13361 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13362 * sbitmap.h: Protect from multiple inclusion.
13363 (sbitmap_a_subset_b_p): Add prototype.
13364 * Makefile.in (LOOP_H): New macro.
13365 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13367 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13369 * cppinit.c (CAT): The argument list of this macro may not contain
13372 1999-11-29 David S. Miller <davem@redhat.com>
13374 Move quantity tables and register equivalence chains into
13375 per-qty and per-register structure arrays respectively.
13376 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13377 qty_const_insn, qty_comparison_code, qty_comparison_const,
13378 qty_comparison_qty): Delete, replace with...
13379 (qty_table): this structure table.
13380 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13381 (reg_eqv_table): this structure table.
13382 (make_new_qty): Add argument MODE. Caller updated.
13383 Update to use qty_table and reg_eqv_table.
13384 (make_regs_eqv, delete_reg_equiv, insert_regs,
13385 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13386 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13387 cse_process_notes, cse_main, cse_basic_block): Likewise.
13389 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13391 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13392 operation if C is negative.
13393 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13394 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13395 law for some divisions if constant is negative and change other
13396 divisions to the opposite rounding.
13398 * expr.c (store_constructor_field): If bit position is not multiple
13399 of alignment of TARGET's mode, use BLKmode.
13401 * expr.c (expand_expr_unaligned): Add more code from full case
13402 that is needed when OP0 is in a register.
13404 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13406 * dwarfout.c (field_byte_offset): Size can be zero if there was
13409 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13411 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13412 (associate_trees): Delete unused var TEM.
13413 (extract_muldiv): Delete unused var CANCEL_P.
13415 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13416 (target_isinf, target_isnan, target_negative): Add return types to
13417 function definitions.
13419 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13421 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13422 * fixinc/hackshell.tpl: ditto
13423 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13424 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13426 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13428 * reload.c (push_reload): When looking for a register to put into
13429 reg_rtx, make sure all hard regs in a multi-reg register are in the
13430 right class and nonfixed.
13432 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13433 pending_read_insns, pending_write_insns, pending_read_mems,
13434 pending_write_mems, pending_list_length, last_pending_memory_flush,
13435 last_function_call, sched_before_next_call): Move static variables
13437 (bb_ prefixed versions): Replace with single array bb_deps.
13438 (struct deps): New structure.
13439 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13440 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13441 argument of type "struct deps *"; use that instead of global
13442 variables. All callers changed.
13443 (init_rgn_data_dependencies): Delete function.
13444 (init_rtx_vector): Delete function.
13445 (init_deps): New function.
13447 (free_pending_lists): Simplify, we always use the bb_deps array even
13448 if only one basic block.
13449 (compute_block_backward_dependences): Likewise.
13450 (schedule_region): Likewise.
13452 (propagate_deps): New function, broken out of
13453 compute_block_backward_dependences.
13454 (compute_block_backward_dependences): Use it.
13456 * alpha.md: Delete useless patterns that tried to work around
13457 register elimination problems.
13459 * unroll.c (loop_iterations): Don't abort if iteration variable
13462 From Joern Rennecke:
13463 * reload1.c (reloads_conflict): Reverse test comparing operand
13464 numbers when testing for conflict between output/outaddr reloads.
13466 1999-11-29 David S. Miller <davem@redhat.com>
13468 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13470 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13472 1999-11-28 Robert Lipe <robertl@cygnus.com>
13474 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13475 table from .fini into .dtor.
13477 1999-11-28 Anthony Green <green@cygnus.com>
13479 * tree.h (struct tree_decl): Add malloc_flag.
13480 (DECL_IS_MALLOC): Define.
13481 * c-common.c (attrs): Add A_MALLOC attribute.
13482 (init_attributes): Add this attribute to the table.
13483 (decl_attributes): Handle malloc attribute.
13484 * calls.c (special_function_p): Check for the malloc attribute.
13485 * extend.texi (Function Attributes): Document malloc attribute.
13487 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13489 * pa.md (reload shift-add patterns): Remove.
13491 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13493 * reorg.c (dbr_schedule) Print more statistics. Corrected
13494 problem when printing info when 3 delay slots are filled.
13496 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13498 * combine.c (setup_incoming_promotions): Pass an outgoing
13499 regno to FUNCTION_ARG_REGNO_P which it expects.
13501 1999-11-28 Andreas Jaeger <aj@suse.de>
13503 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13505 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13507 * cccp.c (do_include): Avoid initialization of automatic variable.
13509 * integrate.c (mark_stores): Function definition made void, to match
13510 previous declaration.
13511 * regclass.c (dump_regclass): Ditto.
13512 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13514 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13516 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13517 known to be multiple of divisor.
13519 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13521 * combine.c (try_combine): Add code to try to merge a set of a
13522 two-word pseudo to a constant with a setting of one of those words
13525 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13526 (split_tree): Completely rework to make more general.
13527 (make_range, fold): Call negate_expr.
13528 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13529 (fold, associate): Call new split_tree and associate_trees.
13530 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13532 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13534 * loop.c (try_copy_prop): Avoid GNU C extension.
13536 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13538 * except.c (init_eh_for_function): Still zero eh_return_context,
13539 eh_return_stack_adjust, and eh_return_handler.
13541 * except.h (eh_status): Adjust documentation for x_protect_list.
13542 (begin_protect_partials): New function.
13543 * except.c (enqueue_eh_entry): Fix formatting.
13544 (get_first_handler): Add consistency check.
13545 (add_partial_entry): Adjust usage of protect_list.
13546 (emit_cleanup_handler): Save and restore ehqueue.
13547 (expand_start_all_catch): Add comment.
13548 (begin_protect_partials): New function.
13549 (end_protect_partials): Adjust usage of protect_list.
13550 (init_eh_for_function): Use xcalloc.
13552 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13554 * c-common.c (check_format_info): Don't call a variadic function
13555 with a non-literal format string.
13557 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13559 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13560 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13563 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13566 * collect2.c (collect_wait): Likewise.
13568 * dbxout.c (dbxout_type): Likewise.
13570 * gcc.c (do_spec_1): Likewise.
13572 * genemit.c (gen_insn, gen_expand): Likewise.
13574 * genrecog.c (write_switch, write_subroutine): Likewise.
13576 * mips-tfile.c (catch_signal, botch): Likewise.
13578 * print-rtl.c (print_rtx): Likewise.
13580 * toplev.c (default_print_error_function, report_error_function,
13581 _fatal_insn): Likewise.
13583 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13585 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13587 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13589 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13590 operations when needed.
13591 * i386.md (fop_?f_comm): New.
13592 (fop_?f_1): Do not accept commutative operands.
13594 1999-11-25 Andreas Jaeger <aj@suse.de>
13596 * config/mips/mips.md (casesi_internal): Add missing brace.
13598 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13600 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13601 (splice_child_die): Handle moving a child DIE from the declaration
13602 DIE of a class to its specification.
13603 (gen_struct_or_union_type_die): Use 'complete' consistently.
13604 (gen_decl_die): Generate the virtual context DIE first.
13605 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13607 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13609 * config/mips/mips.md (call_value_multiple_interanal1): New.
13611 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13613 * dwarf2out.c (free_AT, free_die): New fns.
13614 (remove_children): Call them.
13615 (output_line_info): Disable removal of duplicate notes.
13617 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13618 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13619 means pretend the type isn't defined.
13620 Don't defer emitting types.
13621 (gen_type_die_for_member): New fn.
13622 (gen_decl_die): Call it.
13623 (splice_child_die): New fn.
13624 (gen_member_die): Call it rather than generate duplicate dies.
13626 Defer emitting information for the abstract instance of an inline
13627 until we either inline it or emit an out-of-line copy.
13628 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13629 from output_inline_function if DECL_ABSTRACT is also set.
13630 (block_ultimate_origin): Likewise.
13631 (gen_abstract_function): New fn.
13632 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13633 (gen_subprogram_die): An abstract instance is not a declaration
13634 just because it doesn't match current_function_decl. Don't abort
13635 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13636 has an abstract origin.
13637 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13638 abstract instance here.
13640 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13642 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13643 where we need to reload fpul from a system register.
13645 1999-11-24 Andreas Jaeger <aj@suse.de>
13647 * config/mips/linux.h (CPP_PREDEFINES): Added.
13648 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13650 1999-11-24 Andreas Jaeger <aj@suse.de>
13652 * config/mips/linux.h (TARGET_VERSION): Added.
13653 (HANDLE_SYSV_PRAGMA): Added.
13654 (DEFAULT_VTABLE_THUNKS): Added.
13656 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13658 * local-alloc.c (qty): New structure and static variable.
13659 (qty_phys_reg): Remove, all references changed to qty.
13660 (qty_n_refs): Likewise.
13661 (qty_min_class): Likewise.
13662 (qty_birth): Likewise.
13663 (qty_death): Likewise.
13664 (qty_size): Likewise.
13665 (qty_mode): Likewise.
13666 (qty_n_calls_crossed): Likewise.
13667 (qty_alternate_class): Likewise.
13668 (qty_changes_size): Likewise.
13669 (qty_first_reg): Likewise.
13670 (alloc_qty): Rename variable QTY to QTYNO.
13671 (finf_free_reg): Likewise.
13672 (local_alloc): Allocate qty, do not allocate the removed variables.
13674 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13676 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13677 when -membedded-pic is passed.
13679 * config/mips/mips.md (casesi): Handle 64-bit case too.
13680 (casesi_internal_di): New insn.
13682 * config/mips/mips.c (embedded_pic_offset): Always make the
13683 embedded-pic subtractions relative to the name of the current
13684 function by use of the magic string "..CURRENT_FUNCTION".
13685 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13687 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13689 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13690 of (const_int 0), when what we really care about is
13691 whether it's a zero constant anyway.
13692 (div_trap_mips16): Likewise.
13694 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13696 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13697 unroll_block_trees when generating debuggable code.
13699 * tree.h (unsave_expr_1): New function.
13700 (lang_unsave): New variable.
13701 (get_callee_fndecl): New function.
13702 * tree.c (unsave_expr_now_r): New function.
13703 (lang_unsave): Define.
13704 (unsave_expr_1): Likewise.
13705 (unsave_expr_now_r): Split out from unsave_expr_now.
13706 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13707 call unsave_expr_now_r.
13708 (get_callee_fndecl): Define.
13710 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13711 (gencheck.o): Do depend on lang_tree_files.
13713 * integrate.h (copy_decl_for_inlining): New declaration.
13714 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13715 (copy_decl_for_inlining): New function.
13716 (integrate_parm_decls): Use it.
13717 (integrate_decl_tree): Likewise.
13719 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13721 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13722 the second two from the first.
13723 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13724 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13725 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13727 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13728 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13731 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13733 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13734 needed on the address operand.
13735 * pa.c (call_operand_address): Check for the correct mode.
13737 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13739 * loop.c: Include "basic-block.h".
13740 (try_copy_prop, replace_loop_reg): New functions.
13741 (load_mems): Detect registers that just hold copies of the hoisted
13742 mem, and call try_copy_prop to eliminate them.
13743 * Makefile.in (loop.o): Update dependencies.
13745 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13747 * Makefile.in (gencheck.o): Depend on gencheck.h.
13748 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13749 (insn-peep.o): Depend on except.h and function.h.
13750 (insn-attrtab.o): Depend on RECOG_H.
13751 (insn-output.o): Depend on toplev.h and flags.h.
13752 (gengenrtl.o): Depend on real.h.
13753 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13754 Unify all dependencies to be on RECOG_H rather than recog.h.
13756 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13758 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13759 * configure.in: Try building a bi-arch 32/64-bit compiler on
13760 sparc-*-solaris2.7 and higher.
13761 * configure: Rebuild.
13763 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13765 * config/freebsd.h: New, FreeBSD architecture independent file.
13766 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13767 independent pieces.
13768 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13769 directly by i386/freebsd.h.
13770 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13771 independent configuration file.
13772 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13773 directly by i386/freebsd.h.
13774 * configure: Rebuilt.
13776 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13777 which is in the user's namespace.
13778 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13779 `i386' which is not in our namespace.
13781 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13783 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13785 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13787 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13788 (add_dwarf_attr, add_child_die): Just push onto the front.
13789 (reverse_die_lists): New fn.
13790 (add_sibling_attributes): Use it.
13791 (push_decl_scope): Reorganize.
13792 (add_name_and_src_coords_attributes): Don't set file and line for
13793 an artificial decl.
13794 (gen_subprogram_die): An artificial function doesn't need to match
13796 (gen_compile_unit_die): Return the generated die. Only add
13797 AT_comp_dir if the filename is relative.
13798 (remove_AT): Simplify loop. Also free string values.
13799 (output_die): A DIE ref can't be null.
13800 (output_value_format, value_format): Take a dw_attr_ref.
13801 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13802 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13803 AT_addr, AT_lbl): New fns.
13804 (various): Use them.
13805 (various): Constify.
13807 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13809 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13810 take SUBREG_WORD into account.
13811 (if_then_else_cond): Likewise.
13813 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13815 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13816 clause from BSD license, pursuant with
13818 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13820 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13822 * loop.c (load_mems): Reformat slightly.
13823 * basic-block.h (regset_head): New typedef.
13824 (INIT_REG_SET): New macro.
13826 1999-11-22 Bruce Korb <autogen@linuxbox.com
13828 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13829 (mips-dec-bsd*): non-functional code
13830 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13832 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13833 added three replacement fixes
13834 (no_double_slash): removed comments that are not (any longer) pertinent
13835 (bad_lval): this fix currently runs against many files.
13836 The comment seems to indicate that we should select for files
13837 containing 'pragma extern_prefix'.
13839 * fixinc/fixinc.x86-linux-gnu: deleted
13840 * fixinc/inclhack.sh: regen
13841 * fixinc/fixincl.x: regen
13842 * fixinc/fixincl.sh: regen
13844 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13846 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13847 its code is INSN and it has no notes.
13849 1999-11-22 Andrew Haley <aph@cygnus.com>
13851 * varasm.c (function_defined): Remove.
13852 (make_function_rtl): Don't set function_defined.
13853 (make_decl_rtl): Remove global register warning.
13854 * regclass.c (no_global_reg_vars): New variable.
13855 (globalize_reg): Warn if function has already been defined.
13856 (regclass_init): Set no_global_reg_vars.
13858 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13860 * regclass.c (reg_pref): New structure and static variable
13861 (prefclass): Delete.
13862 (altclass): Delete.
13863 (all uses of prefclass and altclass): Use reg_pref instead.
13865 1999-11-21 Nick Clifton <nickc@cygnus.com>
13867 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13869 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13870 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13871 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13873 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13875 * varasm.c (output_constructor): Solve problem with long long
13876 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13878 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13880 * global.c (allocno): New structure and static variable.
13881 (allocno_reg): Remove, all references replaced by allocno.
13882 (allocno_size): Likewise.
13883 (hard_reg_conflicts): Likewise.
13884 (hard_reg_preferences): Likewise.
13885 (hard_reg_copy_preferences): Likewise.
13886 (hard_reg_full_preferences): Likewise.
13887 (regs_someone_prefers): Likewise.
13888 (allocno_calls_crossed): Likewise.
13889 (allocno_n_refs): Likewise.
13890 (allocno_live_length): Likewise.
13891 (find_reg): Rename ALLOCNO to NUM.
13893 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13894 references updated.
13895 (may_move_out_cost): New variable.
13896 (init_reg_sets_1): Initialize may_move_out_cost.
13897 (record_reg_classes): Use may_move_out_cost.
13899 * regclass.c (dump_regclass): New function.
13900 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13901 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13902 pass rtl_dump_file to regclass.
13903 * rtl.h (regclass): Update prototype.
13905 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13907 * i386.md (neg, not and abs patterns): Revmap to use
13908 ix86_expand_unary_operator and ix86_unary_operator_ok.
13909 (add?f and sub?f expanders): Force operand 1 to register.
13910 * i386.c (ix86_expand_unary_operator): Rewrite.
13911 (ix86_unary_operator_ok): Ensure that memory operands
13913 (ix86_binary_operator_ok): Do not allow operand 1 to
13914 come into memory and operand 0 not.
13915 (ix86_expand_binary_operator): Ensure that
13916 src1 is not non-matching memory.
13918 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13919 to support integer registers and memory.
13920 (abss?2_integer): Likewise.
13922 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13923 (REG_CLASS_NAMES): Likewise.
13924 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13926 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13927 (movsf): Likewise; unify 4th and 5th alternative.
13928 (pushdf): Likewise.
13929 (movdf_1): Likewise; rename to movdf_integer.
13930 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13931 remove redundant splitter.
13932 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13933 (movdf_nointeger): New.
13934 (movxf_nointeger): New.
13935 (pushxf_nointeger): New.
13937 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13938 memory operands in patterns.
13939 (fop*): Refuse two memory operands.
13941 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13942 on !TARGET_USE_CLTD CPUs.
13944 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13946 * extend.texi: Document C++ restricted pointers and references.
13948 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13950 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13951 (invalidate_skipped_set): Call it unconditionally.
13952 (cse_set_around_loop): Likewise.
13954 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13956 * rtl.texi (mem): Add documentation for alias-set argument
13959 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13961 * i386.h (struct_processor_costs): New fields int_load, int_store,
13962 fp_move, fp_load and fp_store
13963 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13965 (MEMORY_MOVE_COST): New macro.
13966 * i386.c (386_cost): Define new fields.
13967 (i486_cost): Likewise.
13968 (pentium_cost): Likewise.
13969 (pentiumpro_cost): Likewise.
13970 (k6_cost): Likewise.
13972 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13973 Geoffrey Keating <geoffk@cygnus.com>
13975 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13977 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13980 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13981 (TARGET_STRICT_ALIGNMENT): New macro.
13982 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13983 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13984 * invoke.texi (M680x0 Options): Document -mstrict-align.
13986 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13987 Richard Henderson <rth@cygnus.com>
13989 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13990 (ix86_split_long_move): Declare.
13991 * i386.c (split_xf, ix86_split_movdi): Remove.
13992 (ix86_split_to_parts, ix86_split_long_move): New.
13993 * i386.md (dimode move splitters): Use ix86_split_long_move.
13994 (dfmode move splitters): Likewise.
13995 (xfmode move splitters): Likewise.
13996 (movsf_1): Allow F->r.
13997 (movdf_1, movxf_1): Allow F->ro.
13999 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14001 * except.h (struct eh_entry): Add goto_entry_p.
14002 (eh_region_from_symbol): Remove prototype.
14003 * except.c (find_func_region_from_symbol): New function.
14004 (emit_cleanup_handler): Likewise.
14005 (eh_region_from_symbol): Make it static.
14006 (add_new_handler): Verify the argument.
14007 (find_func_region): Update comment.
14008 (expand_eh_region_end): Expand handlers here, rater than waiting
14009 until expand_leftover_cleanups or start_all_catch.
14010 (expand_leftover_cleanups): Don't expand here.
14011 (expand_start_all_catch): Or here.
14012 (expand_rethrow): Check the return value from find_func_region.
14013 * function.c (expand_function_end): Emit the catch_clauses.
14015 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14017 * integrate.c (expand_inline_function): Add necessary check for NULL.
14019 1999-11-18 Nick Clifton <nickc@cygnus.com>
14021 * toplev.c (main): Correctly detect an unrecognised option.
14023 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14024 a -f option if it has not been recognised.
14026 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14028 * basic-block.h (update_life_extent): Remove trailing comma on
14029 enumeration type list.
14031 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14033 * varasm.c (output_constructor) Solved problem with long long
14034 bitfields. Corrected calculating this_time and shift. Also
14035 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14037 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14039 * flow.c (split_edge): Take looping structure into account when
14040 determining where to put the new block note.
14042 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14044 * Makefile.in (ggc-none.o): Provide host specific version if
14047 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14049 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14050 containing subregs too.
14052 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14054 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14055 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14056 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14057 (text_section): Add switches -munint-const-in-rodata and
14058 -mno-uninit-const-in-rodata.
14059 (ASM_OUTPUT_COMMON): Remove.
14060 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14061 const objects should be placed in read-only data. Otherwise declare
14064 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14066 * jump.c (jump_optimize_1): Revert last change.
14068 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14070 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14071 test if optimizing for size.
14073 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14075 * Makefile.in (toplev.o): Depend on except.h.
14076 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14078 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14080 * i386.md (divmodsi4): Rewrite to expander.
14081 (*divmodsi4_nocltd): New.
14082 (*divmodsi4_cltd): New.
14083 (divmodsi4 splitter): Handle the case when input comes in edx.
14084 (udivmodhi4): Do not use constraints in exander.
14085 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14087 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14089 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14090 for the common case.
14092 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14094 * explow.c (hard_function_value): Add outgoing argument.
14095 * expr.h (hard_function_value): Declare it.
14096 * calls.c (expand_call, emit_library_call_value): Update callers.
14097 * function.c (aggregate_value_p): Ditto.
14098 (diddle_return_value): Must look at the outgoing registers
14099 on archs with register windows.
14101 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14103 * alpha.c (alpha_build_va_list): Use make_lang_type and
14104 initialize TYPE_NAME for the va_list record.
14106 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14108 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14110 * ggc.h (struct ggc_statistics): Rearrange elements for better
14111 packing on 64-bit hosts.
14112 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14113 (compute_nearerout): Likewise.
14115 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14117 * config/rs6000/rs6000.c (first_reg_to_save): Save
14118 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14120 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14122 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14123 notion of nesting to find the DIE for a type or function.
14124 DIEs can go in limbo even if we got a context_die.
14125 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14126 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14128 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14129 (gen_type_die): Writing out the context doesn't cause member class
14130 template instantiations to be written out as well.
14132 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14134 * rs6000.h (ASM_OUTPUT_DEF): New.
14135 Based on proposed addition from David Edelsohn.
14137 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14138 Bruce Korb <autogen@linuxbox.com>
14140 * fixinc/inclhack.def
14141 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14142 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14144 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14145 (svr4_endian): enabled with SVR5
14146 (svr4_mkdev): simplified syntax and enabled with SVR5
14148 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14150 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14151 * configure: Rebuilt.
14152 * config/t-freebsd-thread: New file.
14154 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14156 * i386.c (ix86_decompose_address): Verify the base is a REG
14157 before trying to examine its register number.
14159 * basic-block.h: Remove all #defines and prototypes related to
14161 (free_bb_mem, compute_preds_succs): Remove prototype.
14162 * rtl.h (free_bb_mem): Remove prototype.
14163 * flow.c (alloc_int_list_node); Remove function.
14164 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14165 (compute_preds_succs, free_bb_mem): Likewise.
14166 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14167 * toplev.c (rest_of_compilation): Likewise.
14168 * haifa-sched.c (build_control_flow): Use flow generated edge
14169 list to build the haifa specific edge list.
14170 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14171 (schedule_insns): Do not build pred/succ lists anymore. Instead
14172 build the edge table.
14174 * basic-block.h (dump_bb_data): Remove declaration.
14175 * flow.c (dump_bb_data): Remove function.
14176 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14177 (sbitmap_union_of_predsucc): Likewise.
14179 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14180 argument. All callers changed.
14181 (delete_null_pointer_checks_1): No longer need to compute the
14184 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14185 All callers changed.
14186 (pre_expr_reaches_here_p_work): Likewise.
14187 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14188 * lcm.c (compute_laterin): Fix initialization of LATER.
14189 (compute_nearerout): Similarly for NEARER.
14191 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14193 * cse.c (set_nonvarying_address_components): Delete unused function.
14194 (refers_to_p): Likewise.
14196 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14198 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14201 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14203 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14204 definition in do while (0).
14206 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14208 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14210 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14212 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14214 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14216 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14217 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14218 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14219 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14221 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14222 saved on the stack. Output more accurate stack frame statistics
14223 into assembler file.
14225 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14227 * genextract.c (record_insn_name): New function.
14228 (get_insn_name): No longer a stub.
14229 (main): Call record_insn_name for each insn. After each label
14230 written, print the insn name in a comment.
14232 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14234 * output.h (const_section, init_section, fini_section): Add
14237 * alpha/elf.h (const_section): Delete declaration.
14239 * svr4.h (const_section): Likewise.
14241 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14243 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14244 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14245 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14247 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14248 variable-sized array bounds.
14250 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14252 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14255 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14257 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14258 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14260 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14262 * cse.c (hash_arg_in_struct): Delete.
14263 (struct table_elt): Delete elt in_struct.
14264 (struct set): Delete elt src_in_struct.
14265 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14266 the corresponding in_struct elts.
14267 (canon_hash): Likewise.
14268 (safe_hash): Likewise.
14269 (find_best_addr): Likewise.
14270 (record_jump_cond): Likewise.
14271 (cse_insn): Likewise.
14273 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14275 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14277 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14280 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14282 * function.c (diddle_return_value): Put back check that the DECL_RTL
14283 for the function is a register.
14285 * function.c (diddle_return_value): Use hard_function_value to
14286 get an rtx suitable for use in the USE/CLOBBER insn.
14288 * global.c (global_conflicts): Update comments.
14289 (record_conflicts): No need to record conflicts between pseudos here.
14291 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14293 * fixinc/fixincl.c: Added verbose levels for status messages
14295 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14297 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14298 operand as argument to expand_and or expand_binop.
14300 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14302 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14303 gcc_add_string_root.
14305 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14307 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14309 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14311 * flow.c (compute_flow_dominators): Initially put all blocks on
14313 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14314 * gcse.c (compute_cprop_avinout): Remove.
14315 (compute_cprop_data): Use compute_available.
14316 (delete_null_pointer_checks_1): Use compute_available.
14318 * basic-block.h (compute_available): Returns a void now.
14319 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14320 to return a value anymore.
14321 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14322 worklists. Fix boundary cases. Compute maximal solutions.
14323 (compute_laterin, compute_nearerout): Similarly.
14325 * dwarf2out.c (add_AT_location_description): Allow
14326 (mem (plus (pseudo) (...)) too.
14328 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14330 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14332 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14333 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14335 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14337 * gansidecl.h: Likewise.
14343 * toplev.h: Likewise.
14345 * tree.c: Likewise.
14347 * tree.h: Likewise.
14349 * varray.c: Likewise.
14351 * varray.h: Likewise.
14353 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14355 * gcov.c (struct arcdata): Add hits and total, remove prob.
14356 (output_branch_counts): New.
14357 (process_args): Set output_branch_counts if -c.
14358 (calculate_branch_probs): Store hits and total instead of
14360 (output_data): Emit counts if output_branch_counts is true.
14361 * gcov.texi (Invoking Gcov): Document -c switch..
14363 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14365 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14366 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14368 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14370 * invoke.texi (C Dialect Options): Add missing builtins from
14371 c-common.c to list.
14372 * extend.texi (Other Builtins): Copy to this list.
14374 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14376 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14377 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14378 redundant bitmap.h.
14380 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14382 * flow.c (compute_flow_dominators): No longer treat basic block 0
14383 or (n_basic_blocks - 1) specially. Clear the AUX field before
14384 starting computation of doms/pdoms. Fix initial state for pdoms.
14386 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14388 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14389 match rtl.o's: added ggc.h and toplev.h
14390 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14391 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14392 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14394 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14396 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14397 from HAVE_DOS_BASED_FILESYSTEM.
14398 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14399 HAVE_DOS_BASED_FILESYSTEM.
14401 (split_directories): Only special-case DOS file names if
14402 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14403 instead of explicit tests. Conditionalize on !VMS.
14404 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14405 tests. Conditionalize on !VMS.
14406 (process_command): Only use make_relative_prefix if !VMS.
14407 (free_split_directories): Conditionalize on !VMS.
14408 (DIR_UP): Conditionalize on !VMS.
14410 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14412 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14414 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14416 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14419 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14421 * invoke.texi (Environment Variables): Document relative path
14423 * gcc.c (DIR_UP): If not defined, define as "..".
14424 (standard_bindir_prefix): New static, holds target location to
14426 (split_directories): New function to split a filename into
14427 component directories.
14428 (free_split_directories): New function, release memory allocated
14429 by split_directories.
14430 (make_relative_prefix): New function, make a relative pathname if
14431 the compiler is not in the expected location.
14432 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14433 can figure out an appropriate prefix from argv[0].
14434 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14435 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14436 STANDARD_BINDIR_PREFIX.
14438 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14440 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14442 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14443 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14444 c4x_secondary_memory_needed) Delete.
14445 (fp_zero_operand): Add mode argument.
14447 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14449 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14450 that is in reload_reg_used.
14452 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14454 * config/arm/arm-protos.h: New file: Prototypes for functions
14455 defined in arm.c and pe.c.
14456 * config/arm/arm.h: Fix compile time warnings.
14457 * config/arm/arm.c: Fix compile time warnings.
14458 * config/arm/pe.h: Fix compile time warnings.
14459 * config/arm/aout.h: Fix compile time warnings.
14461 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14463 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14466 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14467 Add support for subtargets.
14468 Add prototypes for new predicates.
14469 Add scheduling macros.
14471 * config/m32r/m32r.c: Fix compile time warnings.
14472 (int8_operand): New predicate function.
14473 (reg_or_cmp_int16_operand): New predicate function.
14474 (extend_operand): New predicate function.
14475 (m32r_adjust_code): New scheduling function.
14476 (m32r_adjust_priorty): New scheduling function.
14477 (m32r_sched_init): New scheduling function.
14478 (m32r_sched_reorder): New scheduling function.
14479 (m32r_sched_variable_issue): New scheduling function.
14480 (direct_return): New codegen function.
14481 (m32r_not_same_reg): New rtl testsing function.
14483 * config/m32r/m32r.md: Fix compile time warnings.
14484 Add support for pre decrement and post increment memory
14486 Add S<cc> patterns.
14489 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14491 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14492 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14493 (find_reg): Likewise.
14495 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14497 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14498 to avoid assembler errors.
14500 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14502 * config/v850/v850-protos.h: New file: Prototypes for functions
14504 * config/v850/v850.h: Move prototypes to v850-protos.h
14505 * config/v850/v850.c: Move prototypes to v850-protos.h
14506 * config/v850/v850.md: Fix compile time warnings.
14508 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14510 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14511 * config/fr30/fr30.c: Fix compile time warnings.
14512 * config/fr30/fr30.md: Fix compile time warnings.
14514 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14516 * tree.h (get_containing_scope): Declare it.
14517 * tree.c (get_containing_scope): New fucntion.
14518 (decl_function_context): Use it.
14519 * toplev.c (rest_of_compilation): Use get_containing_scope.
14521 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14523 * Makefile.in (rtl.o): Depend on toplev.h.
14525 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14527 * cse.c (delete_trivially_dead_insns): Replace alloca with
14529 * except.c (update_rethrow_references): Likewise.
14530 (init_eh_nesting_info): Likewise.
14531 * function.c (identify_blocks): Likewise.
14532 * gcse.c (dump_hash_table): Likewise.
14533 * graph.c (print_rtl_graph_with_bb): Likewise.
14534 * loop.c (combine_movables): Likewise.
14535 (move_movables): Likewise.
14536 (count_loop_regs_set): Likewise.
14537 (strength_reduce): Likewise.
14538 * profile.c (compute_branch_probabilities): New function, split
14540 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14541 * regclass.c (regclass): Likewise.
14542 * regmove.c (regmove_optimize): Likewise.
14543 * toplev.c (compile_file): Likewise.
14544 (main): Don't mess with the stack rlimit.
14546 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14548 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14549 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14551 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14553 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14555 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14557 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14558 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14561 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14563 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14565 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14567 * gcse.c (post_dominators): Kill.
14568 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14569 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14570 pass in a pdom array since we do not need pdoms.
14571 * haifa-sched.c (schedule_insns): Similarly.
14572 * flow.c (compute_dominators): Remove dead function.
14573 (compute_flow_dominators): Do not compute doms or pdoms if the
14574 caller does not request them. Split up loop to build doms and
14575 pdoms. Use a worklist to compute doms and pdoms.
14576 * basic-block.h (compute_dominators): Remove prototype.
14578 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14580 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14581 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14582 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14583 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14584 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14585 (schedule_region): Remove unused variable.
14586 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14588 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14590 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14591 (update_equiv_regs): Likewise.
14592 (block_alloc): Likewise.
14593 * reg-stack.c (reg_to_stack): Likewise.
14594 (convert_regs_2): Likewise.
14595 * reload1.c (reload_as_needed): Likewise.
14597 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14599 * Makefile.in (dbxout.o): Depend on ggc.h.
14600 (dwarf2out.o): Likewise.
14601 (xcoffout.o): Likewise.
14602 * dbxout.c: Include ggc.h.
14603 (dbxout_init): Register lastfile as a root.
14604 * dwarf2out.c: Include ggc.h.
14605 (dwarf2out_line): Register lastfile as a root.
14606 * xcoffout.c: Include ggc.h.
14607 (xcoffout_source_line): Register xcoff_lastfile as a root.
14609 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14611 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14613 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14615 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14617 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14619 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14621 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14622 (EXECUTE_IF_CONFLICT): Likewise.
14623 (ALLOCNO_LIVE_P): Avoid signed division.
14624 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14625 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14626 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14628 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14630 * haifa-sched.c (schedule_block): Don't crash if there's no
14631 next insn for an interblock movement.
14632 (add_branch_dependences): Don't allow clobber insns to move either.
14634 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14636 * i386.c (split_xf): New.
14637 * i386-protos.h: Declare it.
14638 * i386.md (movxf_1): Add general regs alternatives.
14639 (movxf_1+1): New splitter for same.
14641 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14643 * function.c (purge_addressof_1): Add missing return values.
14645 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14647 * function.c (is_addressof): New function. Returns true if
14648 the given piece of RTL is an ADDRESSOF.
14649 (purge_addressof_1): Make boolean. Return false if the
14650 ADDRESSOFs could not be purged.
14651 (purge_addressof): If ADDRESSOFs could not be purged from the
14652 notes attached to an insn, remove the offending note(s),
14653 unless they are attached to a libcall.
14655 1999-11-05 Andreas Jaeger <aj@suse.de>
14657 * genoutput.c (null_operand =): Initialize all fields.
14659 * errors.h: Add extern to prototypes.
14661 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14663 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14664 * configure: Rebuilt.
14666 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14668 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14669 (mirror_conflicts): New function.
14670 (global_alloc): Call it.
14671 (expand_preferences): Remove redundant CONFLICTP test.
14672 (find_reg, dump_conflicts): Likewise.
14673 (prune_preferences): Process conflicts one word at a time.
14675 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14677 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14678 instead of an explicit loop.
14680 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14682 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14683 if REG_RETVAL check succeeds, then put classp in src_elt.
14685 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14687 * function.c (pad_to_arg_alignment): Only update argument_pad
14688 if the argument's alignment is greater than STACK_BOUNDARY.
14690 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14692 * bitmap.h (BITMAP_XFREE): New.
14693 * flow.c (life_analysis): Use it.
14694 (life_analysis_1): Free blocks.
14696 * combine.c (undo_commit): New.
14697 (try_combine): Use it. Don't zap undobuf.undos.
14698 (combine_instructions): Don't zap undobuf.undos; free the
14699 undobuf.frees list.
14701 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14703 * stmt.c (cost_table_): New.
14704 (estimate_case_costs): Use it instead of xmalloc.
14706 * toplev.c (compile_file): Reuse dumpname memory instead
14709 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14711 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14712 after verifying an EH edge.
14714 * haifa-sched.c (init_rgn_data_dependences): Correctly
14715 size bb_pending_lists_length when zeroing.
14717 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14719 * function.c (diddle_return_value): New.
14720 (expand_function_end): Use it.
14721 * stmt.c (expand_null_return): Likewise.
14722 (expand_value_return): Likewise.
14724 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14726 * reload1.c (reload): Don't remove return value clobbers.
14728 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14730 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14732 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14734 * cse.c (cse_main): Use xmalloc, not alloca.
14735 (cse_basic_block): Likewise.
14736 * local-alloc.c (local_alloc): Likewise.
14738 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14739 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14741 * rtl.c: Include toplev.h.
14742 (fatal): Remove declaration.
14744 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14746 * haifa-sched.c (schedule_block): Fix thinko.
14748 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14750 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14751 S_IR* defined values
14753 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14755 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14756 call `malloc' instead.
14758 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14760 * flags.h (flag_renumber_insns): Declare.
14761 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14763 * rtl.h (renumber_insns): Change prototype.
14764 * toplev.c (flag_renumber_insns): Define.
14765 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14767 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14769 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14770 and fpsqrtd. Use them and create fdiv function unit to more
14771 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14772 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14774 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14776 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14778 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14779 insn into ready list, do not use just a raw swap.
14781 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14783 * rtl.h (renumber_insns): New function.
14784 (remove_unnecessary_notes): Likewise.
14785 * emit-rtl.c (renumber_insns): Define.
14786 (remove_unncessary_notes): Likewise.
14787 * toplev.c (rest_of_compilation): Remove dead code.
14788 Use renumber_insns and remove_unncessary_notes.
14790 * gcse.c (struct null_pointer_info): New type.
14791 (get_bitmap_width): New function.
14792 (current_block): Remove.
14793 (nonnull_local): Likewise.
14794 (nonnull_killed): Likewise.
14795 (invalidate_nonnull_info): Take a null_pointer_info as input.
14796 (delete_null_pointer_checks_1): New function.
14797 (delete_null_pointer_checks): Use it.
14799 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14800 (split_edges): Likewise.
14801 (schedule_block): Likewise.
14802 (compute_block_backward_dependencies): Likewise.
14803 (schedule_region): Likewise.
14804 (schedule_insns): Likewise.
14806 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14808 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14809 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14810 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14811 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14812 * jump.c (delete_unreferenced_labels): Don't delete if
14813 LABEL_ALTERNATE_NAME is set.
14814 * print-rtl.c (print_rtx): Dump alternate name.
14815 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14816 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14817 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14818 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14820 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14822 * fix-header.c (recognized_extern, recognized_function): Constify
14825 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14826 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14827 (compute_available): Remove unused variable `last'.
14828 (compute_nearerout): Remove unused variable `temp_bitmap'.
14829 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14830 Remove unused variable `x'.
14832 * scan.h (recognized_function, recognized_extern): Constify a
14835 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14837 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14839 * varasm.c (decode_rtx_const): Use XSTR to access the string
14842 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14844 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14846 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14848 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14850 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14852 * pa.c (ireg_operand): New function.
14853 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14854 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14855 Fix out of date comment.
14857 * pa.md (negdi2): Turn into expander + anonymous pattern.
14859 * reload.c (find_reloads): Fix typos in recent change.
14861 * dwarf2out.c: Do not include ctype.h.
14863 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14865 * regclass.c (record_reg_classes): Always use may_move_cost when
14866 seeing how operand fits with various register classes.
14868 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14870 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14871 * toplev.c: Revert Nov 1 13:22 change.
14873 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14875 * config/pa/pa.md (height reduction patterns): Add checks for
14876 overlapping operands to avoid semantic-destroying splits for
14877 height reduction patterns.
14879 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14881 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14882 have been an hyphen, fixed.
14883 * configure: Rebuilt.
14885 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14887 * config/arm/tpe.h: Add prototypes for exported functions.
14888 * config/arm/pe.c: Fix compile time warnings.
14889 * config/arm/semi.h: Fix compile time warnings.
14890 * config/arm/arm.c: Fix compile time warnings.
14891 * config/arm/arm.h: Fix compile time warnings.
14892 * config/arm/arm.md: Fix compile time warnings.
14893 * config/arm/thumb.c: Fix compile time warnings.
14894 * config/arm/thumb.h: Fix compile time warnings.
14895 * config/arm/thumb.md: Fix compile time warnings.
14897 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14899 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14902 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14903 completely unrolled.
14905 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14907 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14909 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14911 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14912 * rtl.h (rtx_equal_p): Move prototype.
14913 * rtl.c (rtx_equal_function_value_matters): Move from
14915 (rtx_equal_p): Likewise.
14916 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14917 (rtx_equal_p): Likewise.
14919 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14921 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14922 ! HAS_INIT_SECTION.
14924 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14926 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14928 * pa.h (ADDR_VEC_ALIGN): Define.
14930 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14931 notes when presented with "if (foo) break; end_of_loop" and
14932 the break sequence gets moved out of the loop.
14934 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14935 Remove explicit zero initializations of entries within MAP.
14937 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14939 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14941 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14943 * bitmap.h (BITMAP_XMALLOC): New macro.
14944 * flow.c (CLEAN_ALLOCA): Remove.
14945 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14946 (life_analysis): Likewise.
14947 (update_life_info): Don't use CLEAN_ALLOCA.
14948 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14949 (calculate_global_regs_live): Likewise.
14950 (print_rtl_with_bb): Likewise.
14951 (verify_flow_info): Likewise.
14952 * global.c (global_alloc): Likewise.
14953 (global_conflicts): Likewise.
14954 * integrate.c (save_for_inline_nocopy): Likewise.
14955 (expand_inline_function): Likewise.
14956 * jump.c (jump_optimize_1): Likewise.
14957 (duplicate_loop_exit_test): Likewise.
14958 (thread_jumps): Likewise.
14959 * loop.c (loop_optimize): Likewise.
14960 (combine_givs): Likewise.
14961 (recombine_givs): Likewise.
14962 * reorg.c (dbr_schedule): Likewise.
14963 * unroll.c (unroll_loop): Likewise.
14965 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14967 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14969 * toplev.c (rest_of_compilation): Don't optimize the CFG
14970 when rebuilding, just before dbr.
14972 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14974 * output.h (assemble_end_function, assemble_destructor,
14975 assemble_constructor, assemble_gc_entry, assemble_global,
14976 assemble_label, output_constant_pool) Constify a char*.
14978 * varasm.c (assemble_destructor, assemble_constructor,
14979 assemble_gc_entry, assemble_end_function, assemble_global,
14980 assemble_label, output_constant_pool): Likewise.
14982 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14984 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14985 explaining what is goin on in this function.
14987 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14989 * regclass.c (record_reg_classes): In matching case, recompute
14990 costs since the direction of movement is different.
14992 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14994 * resource.c (mark_target_live_regs): For unconditional branches,
14995 the resources found at the branch target should be added to the
14996 resources found so far, not intersected.
14998 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15000 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15002 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15003 (sys/mman.h): Include this file only if #HAVE_MMAP.
15004 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15005 with automatically concatenated ANSI strings.
15007 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15009 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15010 (DIV_ROUND_UP): Robustify.
15011 (ggc_recalculate_in_use_p): New function.
15012 (release_pages): Don't inline it.
15013 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15015 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15016 (clear_marks): Always save in_use_p.
15017 (sweep_pages): Use ggc_recalculate_in_use_p.
15018 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15019 Release pages before counting statistics.
15021 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15023 * toplev.c (rest_of_compilation): Fix thinko in this change:
15025 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15027 (rest_of_compilation): If inside an inlined external function,
15028 pretend we are just being declared.
15030 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15032 * flow.c (calculate_global_regs_live): Fix thinko.
15034 * integrate.c (expand_inline_function): Fix bugs in previous
15035 change from Oct 28, 1999.
15037 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15039 * stmt.c (expand_value_return): Fix typo in this change:
15041 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15042 (expand_value_return): Correctly convert VAL when promoting function
15043 return; support RETURN_REG being a PARALLEL.
15045 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15047 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15049 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15051 * hard-reg-set.h (reg_names): Constify a char*.
15053 * regclass.c (reg_names): Likewise.
15055 * regs.h (reg_names): Likewise
15057 * a29k/a29k.c (reg_names): Delete declaration.
15059 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15061 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15062 arc_output_function_epilogue): Likewise.
15064 * elxsi/elxsi.c (reg_names): Likewise.
15066 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15068 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15071 * m88k/m88k.c (output_function_profiler): Likewise.
15073 * sparc/sparc.c (sparc_flat_output_function_prologue,
15074 sparc_flat_output_function_epilogue): Likewise.
15076 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15078 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15079 warning from -Wuninitialized and put it under -W.
15080 * function.c (uninitialized_vars_warning): Warn only when the
15081 corresponding flag is set.
15083 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15085 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15086 is nonzero and the single set does not have an elt, then assign
15089 * simplify-rtx.c: New file.
15090 * Makefile.in (OBJS): Add simplify-rtx.o
15091 (simplify-rtx.o): Add dependencies.
15092 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15093 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15094 (cse_gen_binary, simplify_unary_operation): Delete.
15095 (simplify_binary_operation, simplify_plus_minus): Likewise.
15096 (check_fold_consts, simplify_relation_operation): Likewise.
15097 (simplify_ternary_operation): Likewise.
15098 (delete_trivially_dead_insns): Simplify the contents of the
15099 REG_EQUAL note before trying to substitute it into the source
15100 of the reg-reg copy at the end of a libcall sequence.
15102 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15103 references/callers changed.
15105 * mn10200.c (mn10200_va_arg): Force the return value into a
15108 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15110 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15113 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15115 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15117 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15119 * fold-const.c (fold): Fix thinko when optimizing comparisons
15122 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15124 * gcc.texi (Passes): Update front-end files to their current
15127 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15129 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15130 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15131 (PREDICATE_CODES): Add addition_operation.
15132 * alpha-protos.h (addition_operation): Declare.
15133 (secondary_reload_class): Likewise.
15134 * alpha.c (addition_operation): New.
15135 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15136 * alpha.md (adddi3): Turn into expander.
15137 (*lda, *adddi_2): New.
15138 (movsf, movdf patterns): Don't preference integer regs.
15139 (movsi, movdi patterns): Don't preference fp regs.
15141 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15143 * genrecog.c (write_switch): Check for duplicate CODE cases.
15145 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15147 * ggc-common.c: Update pre-function commentary.
15148 * ggc-page.c: Likewise.
15150 (poison_pages): Use memset directly.
15151 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15152 (ggc_collect): Poison before sweeping.
15153 * ggc-simple.c: Update pre-function commentary.
15154 (ggc_alloc_obj): Poison non-zeroed memory.
15156 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15158 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15159 match format string, even on 64-bit hosts.
15160 * gcc-page.c (ggc_page_print_statistics): Likewise.
15162 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15164 * config/i386/i386.c (ix86_cpu): Revert last patch.
15165 * config/i386/i386.h (ix86_cpu): Ditto.
15167 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15169 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15170 TYPE_SIZE, convert type of result to sizetype.
15172 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15174 * flow.c (count_or_remove_death_notes): Equate NULL with the
15177 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15178 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15181 * i386.c (pic_label_no): Delete.
15182 (ix86_attr_length_default): Don't use single_set to peek
15185 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15186 the first insn after bb->end.
15187 * i386.md (push mem peeps): Scratch is live after evaluation
15189 (cmp mem peep): Similarly.
15191 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15193 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15194 * function.c (pad_to_arg_alignment): Add missing braces.
15196 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15198 * alpha/alpha-protos.h (literal_section): Add prototype.
15199 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15202 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15204 (alpha_start_function, alpha_end_function, float_strings,
15205 alpha_need_linkage): Constify a char*
15207 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15209 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15211 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15213 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15215 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15217 * flow.c (debug_flow_info): Add prototype.
15219 * gcc.c (main): Likewise.
15221 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15224 * reload1.c (failed_reload, set_reload_reg): Likewise.
15226 * mips-tfile.c (main): Likewise.
15227 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15228 with ATTRIBUTE_NORETURN.
15230 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15232 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15233 DECL is not a memory ref.
15235 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15237 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15238 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15240 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15242 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15243 * config/mips/elf64.h: ditto.
15245 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15247 * expr.c (emit_push_insn): New argument alignment_pad.
15248 Update all callers. Adjust stack pointer based on alignment pad.
15249 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15250 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15251 (locate_and_pad_parm): New argument alignment_pad. Update all
15253 * expr.h (emit_push_insn): Update prototype.
15254 (locate_and_pad_parm): Update prototype.
15255 * calls.c (arg_data): Add new field alignment_pad.
15256 (initialize_argument_information): Initialize alignment_pad.
15258 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15260 * except.c (free_eh_nesting_info): Free the info itself.
15261 * function.c (free_after_compilation): Don't free NULL.
15262 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15263 (pre_edge_insert): Free inserted.
15264 * stmt.c (free_stmt_status): Don't free NULL.
15266 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15268 * gcov.c (DIR_SEPARATOR): Provide default.
15269 (output_data): Add test for MS-DOS format absolute filename.
15270 (fancy_abort): Correct program name.
15271 (open_files): Open all files in binary mode.
15272 * libgcc2.c (__bb_exit_func): Likewise.
15274 * profile.c (init_branch_prob): Specify binary when opening files.
15276 * flags.h (flag_unwind_tables): New decl.
15277 * toplev.c (flag_unwind_table): New definition.
15278 (f_options): Add -funwind-tables.
15279 (decode_g_option): Clarify warning when unknown -g option is given.
15280 (rest_of_compilation): If inside an inlined external function,
15281 pretend we are just being declared.
15283 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15284 (dwarf2out_frame_finish): Likewise.
15286 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15288 * fold-const.c (merge_ranges): If not in0, but in1, handle
15289 upper bounds equal like subset case.
15291 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15293 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15294 passed in a register but moved to the stack.
15296 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15298 * gcc.c (pass_exit_codes, greatest_status): New variables.
15299 (struct option_map): Add entry for "--pass-exit-codes".
15300 (execute): Update greatest_status if error.
15301 (display_help): Add documentation for -pass-exit-codes.
15302 (process_command): Handle -pass-exit-codes.
15303 (main): Look at pass_exit_codes and greatest_status on call to exit.
15305 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15307 * reload.c (find_reloads): Refine test for no input reload
15308 case to not includes reloads emitted after insn.
15310 * function.c (find_temp_slots_from_address): Handle sum involving
15311 a register that points to a temp slot.
15312 (update_temp_slot_address): Make recursive call if both old and
15313 new are PLUS with a common operand.
15314 * calls.c (expand_call): Mark temp slot for result as having
15317 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15319 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15320 component as well as "BINUTILS".
15322 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15323 * integrate.c (copy_rtx_and_substitute): Likewise.
15324 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15325 All callers changed.
15326 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15328 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15329 gdb extensions, write size of type; also be more consistent
15330 in using references when this is a subtype.
15332 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15333 that is out of range.
15335 * loop.c (unknown_constant_address_altered): New variable.
15336 (prescan_loop): Initialize it.
15337 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15338 (invariant_p, case MEM): Remove handling for volatile and readonly;
15339 check new variable if readonly.
15340 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15342 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15343 (addr_affects_sp_p): Removed from note_mem_written and only
15344 define #ifdef AUTO_INC_DEC.
15346 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15348 * regclass.c (record_reg_classes): Properly handle register move
15351 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15352 Don't think valid if both operands are invalid.
15353 (struct constant_descriptor): New field RTL.
15354 (mark_const_hash_entry): Mark it.
15355 (record_constant{,_rtx}): Initialize it.
15356 (output_constant_def): Allocate RTL in permanent obstack and
15358 ({record,compare}_constant_1): Modes must match for
15359 CONSTRUCTOR of ARRAY_TYPE.
15361 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15362 * output.h (initializer_constant_valid_p): Move decl to here.
15363 * c-common.c (initializer_constant_valid_p): Delete function from here.
15364 * varasm.c (initializer_constant_valid_p): Move function to here.
15366 * tree.h (STRIP_SIGN_NOPS): New macro.
15367 * fold-const.c (optimize_minmax_comparison): New function.
15368 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15369 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15370 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15371 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15372 widening conversions.
15373 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15374 to look at size of mode, not precision of type; also add missing cases.
15375 (optimize_bit_field_compare, decode_field_reference): Don't try to
15376 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15378 * dwarf2out.c (ctype.h): Include.
15379 (dwarf2out_set_demangle_name_func): New function.
15380 (size_of_line_info): Deleted.
15381 (output_line_info): Compute size of line info table from difference
15383 (base_type_die, add_name_attribute): Call demangle function, if any.
15384 (field_byte_offset): Use bits per word for variable length fields.
15385 (gen_array_type_die): Add array name.
15386 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15387 (dwarf2out_add_library_unit_info): New function.
15389 * explow.c (set_stack_check_libfunc): New function.
15390 (stack_check_libfunc): New static variable.
15391 (probe_stack_range): Allow front-end to set up a libfunc to call.
15393 * combine.c (simplify_comparison): When making comparison in wider
15394 mode, check for having commuted an AND and a SUBREG.
15395 (contains_muldiv): New function.
15396 (try_combine): Call it when dividing a PARALLEL.
15397 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15398 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15400 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15401 use one of the CLOBBERs instead.
15402 (if_then_else_cond): If comparing against zero, just return thing
15405 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15406 Don't generate shifts and subtract if have conditional arithmetic.
15408 * rtl.h (delete_barrier): New declaration.
15409 * jump.c (jump_optimize): Set up to handle conditional call.
15410 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15411 (delete_barrier): New function.
15413 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15415 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15417 * tree.c (build_type_attribute_variant): Push to obstack of
15418 ttype around type_hash_canon call.
15420 * expr.c (placeholder_list): Move decl to file scope.
15421 (expand_expr): Don't force access to volatile just because its
15423 If ignoring reference operations, just expand the operands.
15424 (expand_expr, case COMPONENT_REF): Propagate
15425 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15426 Refine test for using bitfield operations vs pointer punning.
15427 (expand_expr, case CONVERT_EXPR): If converting to
15428 BLKmode UNION_TYPE from BLKmode, just return inner object.
15429 Use proper mode in store_field call.
15430 Properly set sizes of object to store and total size in store_field
15431 call for convert to union.
15432 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15433 memory (like for ADDR_EXPR). Also, don't put constant in register if
15434 we'll want it in memory.
15435 (readonly_fields_p): New function.
15436 (expand_expr, case INDIRECT_REF): Call it if LHS.
15437 (expand_assignment): Handle a RESULT_DECL where
15438 DECL_RTL is a PARALLEL.
15439 (do_jump, case WITH_RECORD_EXPR): New case.
15440 (get_inner_reference): Always go inside a CONVERT_EXPR
15441 and NOP_EXPR if both modes are the same.
15442 (store_field): Use bitfield operations if size of bitsize is not same
15443 as size of RHS's type.
15444 Check for bitpos not a multiple of alignment in BLKmode case.
15445 Do block move in largest possible alignment.
15446 (store_constructor): Set BITSIZE to -1 for variable size and properly
15447 in case of array of BLKmode.
15448 (expand_expr_unaligned): New function.
15449 (do_compare_and_jump): Call it.
15451 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15452 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15453 does not include 'o'.
15455 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15456 both SET_DEST and SET_SRC reference a virtual register.
15457 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15459 * integrate.c (expand_inline_function): Handle case of setting
15460 virtual stack vars register (from built in setjmp); when parameter
15461 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15462 (subst_constant): Add new parm, MEMONLY.
15463 (expand_inline_function, integrate_parm_decls): Pass new parm.
15464 (integrate_decl_tree): Likewise.
15465 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15466 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15467 (copy_rtx_and_substitute, case SET): Add explicit calls to
15468 copy_rtx_and_substitute for both sides.
15470 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15472 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15473 within INDEX_TYPE, instead of before.
15474 (fixup_gotos): Use f->target_rtl, not the next insn,
15475 since latter may be from a later fixup.
15476 (expand_value_return): Correctly convert VAL when promoting function
15477 return; support RETURN_REG being a PARALLEL.
15478 (expand_return): When checking for result in regs and having
15479 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15481 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15483 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15484 last_nominal_fname): Mark const.
15485 (struct include_hash: name, nshort, control_macro): Mark
15487 (struct macrodef: symnam): Mark const.
15488 (struct if_stack: fname): Mark const.
15489 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15490 (IStable): New character-syntax array which encompasses all
15491 the old is_foo arrays.
15492 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15493 is_space): New macros for interrogating IStable.
15494 (check_macro_name): Kill last argument. All callers changed.
15496 * cppinit.c (initialize_char_syntax): Delete.
15497 (is_idchar, is_idstart, is_hor_space, is_space,
15498 trigraph_table): Delete.
15499 (IStable): New. Initialize with clever macros to avoid
15500 information duplication.
15501 (builtin_array): Table of builtins to get rid of explicit list
15502 in initialize_builtins.
15503 (initialize_builtins): Use builtins_array.
15504 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15505 opts->dollars_in_ident.
15507 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15509 (cpp_parse_expr): Avoid 'format string is not constant'
15510 warning. Use ISGRAPH to identify printable chars.
15511 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15513 (read_and_prescan): Map trigraphs to chars with open-coded
15514 if-else-if-... sequence, not a lookup table.
15515 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15517 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15518 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15519 (check_macro_name): Remove ability to report an invalid
15520 assertion name, which is never used.
15521 (do_line): Constify a couple of char *'s.
15522 * cppmain.c (main): Call cpp_cleanup before returning.
15524 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15526 * ggc.h (struct ggc_statistics): New type.
15527 (ggc_get_size): New function.
15528 (ggc_print_statistics): Likewise.
15529 * ggc-common.c (ggc_stats): New variable.
15530 (ggc_mark_rtx_children): Keep statistics.
15531 (ggc_mark_tree_children): Likewise.
15532 (ggc_print_statistics): New function.
15533 * ggc-page.c (struct globals): Add bytes_mapped field.
15534 (alloc_anon): Update it.
15535 (release_pages): Likewise.
15536 (ggc_get_size): New function.
15537 (ggc_page_print_statistics): New function.
15538 * ggc-simple.c (ggc_get_size): New function.
15540 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15542 * flow.c (propagate_block): When the last reference to a label
15543 before an ADDR_VEC is deleted because the reference is a dead
15544 store, delete the ADDR_VEC.
15546 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15548 * resource.c (find_free_register): Don't use the frame pointer
15549 if frame_pointer_needed.
15551 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15553 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15554 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15556 * config/i960/i960.c (i960_va_start): New locals base, num.
15557 Use INDIRECT_REF instead of ARRAY_REF on valist.
15558 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15560 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15562 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15564 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15566 * tree.def (PLACEHOLDER_EXPR): Update comments.
15568 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15570 * c-common.c (check_format_info): Avoid non-literal format string
15571 warnings when `first_arg_num' is zero.
15573 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15575 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15577 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15579 * arm.md (casesi_insn): Add a clobber of the condition code
15582 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15584 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15585 used by both cc1 and cc1plus.
15587 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15589 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15590 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15591 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15592 to the value 32 if it has not already been defined.
15593 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15594 Override definition in arm.h with a value of 8.
15596 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15598 * c-pragma.c (push_alignment): Don't check the return value
15601 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15603 * sparc.h (ADJUST_COST): Fix thinko.
15605 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15607 * cccp.c (rescan): Fixed obp pointer handling around call to
15608 check_expand subroutine.
15610 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15612 * gcse.c (delete_null_pointer_checks): Only record non-null info
15613 for pseudos when examining stores.
15615 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15616 splitters for these patterns. Use "#" for output templates.
15617 (addsi3_carryin_shift): New pattern.
15619 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15621 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15622 of the function return register into a plain REG until
15623 after function inlining is done.
15625 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15627 * jump.c (jump_optimize_1): If we did cross-jumping, and
15628 the data will matter, rebuild the CFG.
15629 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15630 not optimizing. Don't run shorten_branches.
15631 * toplev.c (rest_of_compilation): Run shorten_branches after
15634 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15636 * rtl.h (note_stores): Add additional paramter.
15637 * rtlanal.c (reg_set_p_1): Take additional paramter.
15638 (reg_set_last_1): Likewise.
15639 (reg_set_p): Adjust call to note_stores.
15640 (reg_set_last): Likewise.
15641 (note_stores): Pass data parameter to worker function.
15642 * alias.c (record_set): Take additional parameter.
15643 (init_alias_analysis): Pass it.
15644 * caller-save.c (mark_set_regs): Take additional parameter.
15645 (save_call_clobbered_regs): Pass NULL to note_stores.
15646 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15648 (record_dead_and_set_regs_1): Likewise.
15649 (reg_dead_at_p_1): Likewise.
15650 (combine_instructions): Adjust calls to note_stores.
15651 (try_combine): Likewise.
15652 (record_dead_insn): Remove.
15653 (record_dead_and_set_regs): Adjust calls to note_stores.
15654 (reg_dead_at_p): Likewise.
15655 * cse.c (invalidate_skipped_set): Take additional parameter.
15656 (cse_check_loop_start): Likewise.
15657 (cse_check_loop_start_value): Remove.
15658 (cse_set_around_loop): Adjust calls to note_stores.
15659 * flow.c (notice_stack_pointer_modification): Take additional
15660 parameter. Remove duplicate declaration.
15661 (record_volatile_insns): Adjust calls to note_stores.
15662 * gcse.c (record_set_info): Take additional parameter.
15663 (record_last_set_info): Likewise.
15664 (invalidate_nonnull_info): Likewise.
15665 (record_set_insn): Remove.
15666 (compute_sets): Adjust calls to note_stores.
15667 (last_set_insn): Remove.
15668 (compute_hash_table): Adjust calls to note_stores.
15669 (insert_insn_end_bb): Likewise.
15670 (delete_null_pointer_checks): Likewise.
15671 * global.c (mark_reg_store): Take additional parameter.
15672 (mark_reg_clobber): Likewise.
15673 (reg_becomes_live): Likewise.
15674 (global_conflicts): Adjust calls to note_stores.
15675 (build_insn_chain): Likewise.
15676 * integrate.c (note_modified_parmregs): Take additional parameter.
15677 (mark_stores): Likewise. Make it static.
15678 (save_for_inline_nocopy): Adjust calls to note_stores.
15679 (try_constants): Likewise.
15680 * integrate.h (mark_stores): Remove declaration.
15681 * jump.c (mark_modified_reg): Take additional parameter.
15682 (thread_jumps): Adjust calls to note_stores.
15683 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15685 (no_equiv): Likewise.
15686 (reg_is_set): Likewise.
15687 (validate_equiv_mem): Adjust calls to note_stores.
15688 (update_equiv_regs): Likewise.
15689 (block_alloc): Likewise.
15690 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15691 (note_addr_stored): Take additional parameter.
15692 (note_set_pseudo_multiple_uses): Likewise.
15693 (record_initial): Likewise.
15694 (prescan_loop): Adjust calls to note_stores.
15695 (strength_reduce): Likewise.
15696 (check_dbra_loop): Likewise.
15697 * regmove.c (flags_set_1): Take additional paramter.
15698 (mark_flags_life_zones): Adjust calls to note_stores.
15699 * reload1.c (mark_not_eliminable): Take additional parameter.
15700 (forget_old_reloads_1): Likewise.
15701 (reload_cse_invalidate_rtx): Likewise.
15702 (reload_cse_check_clobber): Likewise.
15703 (reload_combine_note_store): Likewise.
15704 (move2add_note_store): Likewise.
15705 (reload): Adjust calls to note_stores.
15706 (reload_as_needed): Likewise.
15707 (emit_reload_insns): Likewise.
15708 (reload_cse_regs_1): Likewise.
15709 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15710 (reload_combine): Adjust calls to note_stores.
15711 * resource.c (update_live_status): Take additional paramter.
15712 (mark_target_live_regs): Adjust calls to note_stores.
15713 * stupid.c (find_clobbered_regs): Take additional parameter.
15714 (stupid_life_analysis): Adjust calls to note_stores.
15716 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15718 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15721 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15724 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15725 of the variable arm_structure_size_boundary.
15727 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15729 * alias.c (init_alias_analysis): Allocate reg_known_value and
15730 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15732 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15733 * cse.c (cse_main): Call end_alias_analysis.
15734 * haifa-sched.c (schedule_insns): Likewise.
15735 * local-alloc. (update_equiv_regs): Likewise.
15736 * reload1.c (reload_cse_regs): Likewise.
15738 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15740 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15741 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15742 mapping from MASK_FPU.
15744 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15746 * sparc.md (call): Don't bound structure return size to 0xfff.
15748 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15750 * resource.c (mark_target_live_regs): Check that the target
15751 insn wasn't created after compute_bb_for_insn.
15753 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15755 * ggc-page.c (poison_pages): Don't be overzealous.
15757 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15759 * alias.c: Update comments for ADDRESS.
15760 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15761 it is a local memory reference.
15763 * c-typeck.c (build_function_call): Check that the built-in
15764 function is of class BUILT_IN_NORMAL before trying to recongize
15765 it as BUILT_IN_ABS.
15766 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15767 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15769 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15771 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15773 (pre_gcse): Likewise.
15774 (hoist_expr_reaches_here_p): Likewise.
15775 (hoist_code): Likewise.
15776 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15778 (pre_expr_reaches_here_p_work): ... here.
15779 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15781 (expr_reaches_here_p_work): ... here.
15783 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15785 * resource.c (find_basic_block): Delete.
15786 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15787 (init_resource_info): Call compute_bb_for_insn.
15789 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15791 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15792 with already adjacent blocks, but no fallthru.
15793 (merge_blocks_move_successor_nojumps): Simplify.
15794 (debug_flow_info): New.
15796 * toplev.c (rest_of_compilation): Open jump1 dump file before
15797 jump and close after, as opposed to just using dump_rtl.
15799 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15801 * reload.h (earlyclobber_operand_p): Declare.
15802 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15803 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15804 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15805 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15807 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15808 Richard Henderson <rth@cygnus.com>
15810 * emit-rtl.c (emit_block_insn_before): New.
15811 (emit_block_insn_after): New.
15812 * basic-block.h: Declare them.
15814 * bitmap.h: Protect from multiple inclusion.
15816 * recog.c (scratch_operand): Handle VOIDmode correctly.
15818 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15820 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15821 * function.c (assign_parms): Likewise.
15822 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15824 * reg-stack.c (max_uid): Remove.
15825 (blocks, block_begin, block_end, block_drops_in): Remove.
15826 (block_stack_in, block_out_reg_set, block_number): Remove.
15827 (struct block_info_def, BLOCK_INFO): New.
15828 (enum emit_where): New.
15829 (current_block): New.
15830 (BLOCK_NUM): Remove.
15831 (mark_regs_pat, record_label_references): Remove.
15832 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15834 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15835 (reg_to_stack): Simplified test for existance of fp code. Use
15836 flow.c code. Call shorten_branches after cross-jump opt.
15837 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15838 Return false if the asm doesn't use stack regs. Don't do life
15839 analysis on the asm.
15840 (emit_pop_insn): Replace function pointer arg `when' with
15841 enum `where'. Update all callers.
15842 (change_stack): Likewise. Update basic block end.
15843 (emit_swap_insn): Use current_block->head to limit reverse search
15844 for start of block. Use emit_block_insn_after.
15845 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15846 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15847 structure assignment instead of bcopy.
15848 (print_stack): New.
15849 (convert_regs_entry, convert_regs_exit): New.
15850 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15851 Work on basic blocks and the CFG.
15852 (convert_regs): Use them.
15854 * i386.c (output_fix_trunc): Remove code for DImode input operand
15855 not at top-of-stack.
15856 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15858 (fix_truncdi_1): Allow any mode scratch.
15860 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15862 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15863 * linux.h, netbsd.h, vms.h: Not here.
15865 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15867 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15868 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15869 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15870 CONDITIONAL_REGISTER_USEAGE): Use them.
15871 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15872 gen_conditional_branch,override_options) : Use them.
15873 * config/mips/mips.md : Use them.
15875 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15877 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15879 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15881 * integrate.c (function_cannot_inline_p): Don't allow inlining
15884 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15886 * c-parse.in (cast_expr): Constify.
15888 * cccp.c (special_symbol): Likewise.
15890 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15892 * dwarf2out.c (base_type_die): Likewise.
15894 * global.c (allocno_compare): Likewise.
15896 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15898 * regclass.c (fix_register): Likewise.
15900 * rtl.h (fix_register): Likewise.
15902 * stupid.c (stupid_reg_compare): Likewise.
15904 * toplev.c (decode_f_option): Likewise.
15906 * tree.c (build_complex_type): Likewise.
15908 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15910 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15912 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15914 * reload.c (find_reloads): Compute mode and nregs fields of all
15916 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15917 (calculate_needs): Use precomputed mode/nregs values.
15918 (allocate_reload_reg): Likewise.
15920 (failed_reload, set_reload_reg): ... new functions.
15921 (choose_reload_regs_init): New function, mostly broken out from...
15922 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15923 Also lose one #if 0 block.
15925 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15927 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15930 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15932 * tree.h (BLOCK_TYPE_TAGS): Remove.
15933 (BLOCK_END_NOTE): Likewise.
15934 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15935 (BLOCK_LIVE_RANGE_START): Likewise.
15936 (BLOCK_LIVE_RANGE_END): Likewise.
15937 (tree_block): Remove live_range_flag, live_range_var_flag, and
15938 type_tags. Remove end_note, live_range_start, and live_range_end.
15939 (remember_end_note): Remove prototype.
15940 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15941 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15943 * ggc-common.c (ggc_mark_tree_children): Don't mark
15944 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15945 * integrate.c (adjust_copied_decl_tree): Remove.
15946 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15947 * stmt.c (last_block_end_note): Remove.
15948 (init_stmt): Don't add a GC root for it.
15949 (expand_fixup): Don't set it.
15950 (remember_end_note): Remove.
15951 (expand_end_bindings): Don't set last_block_end_note.
15953 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15955 * reload1.c (reload_reg_free_for_value_p): Show
15956 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15959 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15961 * expmed.c (extract_bit_field): Allow for the case of non-integer
15962 objects that are smaller than a word (like SFmode on a 64-bit
15965 * loop.c (basic_induction_var): A non-integer variable which is
15966 being set by a paradoxical subreg is probably not a biv.
15968 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15970 * prefix.c (translate_name) Check for empty prefix string.
15972 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15974 * Makefile.in (CPP_CROSS_NAME): New variable.
15975 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15977 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15978 names of the files to be uninstalled.
15980 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15982 * collect2.c (IS_DIR_SEPARATOR): Define.
15983 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15985 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15988 * haifa-sched.c (add_dependence): Update the true dependency
15989 cache the first time we add a true dependence to the LOG_LINKS chain.
15991 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15993 * fold-const.c (fold): Fix comment.
15995 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15997 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15998 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15999 dbxout_start_new_source_file, dbxout_source_file,
16000 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16001 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16003 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16004 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16005 (dbxout_block): Initialize variable `blocknum'.
16007 * dbxout.h (dbxout_init, dbxout_finish,
16008 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16009 dbxout_args, dbxout_source_line): Constify a char*.
16011 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16012 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16013 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16014 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16015 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16016 src_info_attribute, mac_info_attribute, producer_attribute,
16017 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16018 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16019 dwarfout_undef): Constify a char*.
16020 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16022 * dwarfout.h (dwarfout_define, dwarfout_undef,
16023 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16025 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16027 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16028 (MULTILIB_ISA_DEFAULT): New.
16029 (MULTILIB_DEFAULTS): Use it.
16030 * config/mips/mips.c (): Remove the now unnecessary definition
16031 of MIPS_ISA_DEFAULT.
16032 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16033 unnecessary definition.
16035 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16037 * arm.md (pic_load_addr): Add constraints to operand 1.
16039 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16041 * fixinc/genfixes: Provide a means for specifying -D options to
16044 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16046 * arm.c (arm_override_options): Correct initialization of
16047 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16048 arm_is_strong, and arm_is_6_or_7.
16050 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16051 (note_set_pseudo_multiple_uses): New function.
16052 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16053 if a pseudo set in the loop exit is used elsewhere.
16055 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16057 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16059 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16061 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16062 a single load-address pattern.
16064 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16066 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16067 depending on whether or not line-number notes are present.
16069 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16071 * cccp.c (progname, file_buf, default_include, include_file,
16072 macrodef, definition, hashval, wchar_type, user_label_prefix,
16073 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16074 expand_to_temp_buffer, is_system_include, base_name,
16075 absolute_filename, read_name_map, open_include_file,
16076 record_control_macro, check_precompiled, check_preconditions,
16077 pcfinclude, pass_thru_directive, create_definition,
16078 check_macro_name, comp_def_part, collect_expansion,
16079 check_assertion, read_token_list, assertion_install,
16080 assertion_lookup, eval_if_expression, conditional_skip,
16081 validate_else, skip_quoted_string, quote_string, macarg1,
16082 error_from_errno, install, lookup, hashf, dump_defn_1,
16083 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16084 check_white_space, rescan, handle_directive, monthnames,
16085 special_symbol, do_include, remap_include_file, write_output,
16086 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16087 do_ident, do_sccs, do_xifdef, skip_if_group,
16088 output_line_directive, macroexpand, macarg, change_newlines,
16089 initialize_builtins, make_definition): Constify a char*.
16091 * pcp.h (stringdef): Likewise.
16093 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16095 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16098 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16099 Richard Henderson <rth@cygnus.com>
16101 * alias.c: Include ggc.h.
16102 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16103 (record_set): Verify enough room in reg_base_value.
16104 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16105 Register it as a GC root.
16106 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16107 * Makefile.in (alias.o): Depend on ggc.h.
16109 * unroll.c (unroll_loop): Verify the insn before a barrier
16110 is a JUMP_INSN before checking JUMP_LABEL.
16112 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16114 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16115 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16116 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16117 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16118 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16119 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16121 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16123 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16125 * alpha/alpha-interix.h (text_section): Delete prototype.
16126 * alpha/elf.h (text_section): Likewise.
16127 * arm/linux-elf.h (text_section): Likewise.
16128 * arm/linux-telf.h (text_section): Likewise.
16129 * c4x/c4x.h (text_section): Likewise.
16130 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16131 * elfos.h (text_section): Likewise.
16132 * i386/aix386ng.h (text_section): Likewise.
16133 * i386/i386-interix.h (text_section): Likewise.
16134 * i386/sco5.h (text_section): Likewise.
16135 * i386/svr3gas.h (text_section): Likewise.
16136 * nextstep.h (text_section): Likewise.
16137 * psos.h (text_section): Likewise.
16138 * ptx4.h (text_section): Likewise.
16139 * svr3.h (text_section): Likewise.
16140 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16142 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16144 * final.c (peephole): Delete prototype.
16146 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16147 (pre_insert_copies): Remove unused variable `bb'.
16149 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16152 * output.h (peephole): Add prototype.
16154 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16156 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16159 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16161 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16162 for inlined declarations.
16164 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16166 * arm.c (logical_binary_operator): New fucntion.
16167 * arm.h (logical_binary_operator): Declare it.
16168 (PREDICATE_CODES): Handle logical_binary_operator.
16169 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16170 output constraints. Add appropriate splitters.
16171 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16172 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16173 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16175 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16177 * genoutput.c (struct operand_data): New elt eliminable.
16178 (output_operand_data): Write it.
16179 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16180 (compare_operands): Take it into account.
16181 * recog.h (struct insn_operand_data): New elt eliminable.
16182 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16184 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16185 (eliminate_regs): Move code that detects changes to elimination
16186 target regs into new function elimination_effects.
16187 Delete one #if 0 block.
16188 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16189 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16190 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16191 Only call eliminate_regs for real operands of the insn, not for parts
16192 of its structure or parts matched by things like match_operator.
16193 Use elimination_effects and check_eliminable_occurrences. Use
16194 copy_insn to duplicate the pattern when not in the final pass.
16196 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16198 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16201 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16203 * fixinc/README: document the "mach" machine matching test
16204 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16205 * fixinc/fixtests.c: Implement the #else/#endif label test
16206 * fixinc/inclhack.def: utilize these tests and fixes
16207 * fixinc/inclhack.sh: regen
16208 * fixinc/fixincl.x: regen
16209 * fixinc/fixincl.sh: regen
16211 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16213 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16216 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16218 * gcc.1: Document exit codes.
16220 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16222 * calls.c: Include tm_p.h later, so everything we need is defined.
16223 * expr.c: Likewise.
16224 * function.c: Likewise.
16226 * except.c: Include tm_p.h.
16228 * sparc.c: Likewise.
16229 (dwarf2out_cfi_label): Don't prototype.
16230 (check_return_regs, epilogue_renumber,
16231 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16232 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16233 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16234 ultra_schedule_insn): Add static prototype.
16235 (data_segment_operand, text_segment_operand): Call itself with the
16236 proper number of arguments.
16237 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16239 * sparc.h: Move all declarations to sparc-protos.h.
16240 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16243 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16245 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16247 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16248 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16249 ASM_OUTPUT_ASCII): Constify a char*.
16251 * sparc-protos.h: New file for sparc prototypes.
16253 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16255 * function.c (record_insns, contains): Always declare and define.
16256 (record_insns): Mark with ATTRIBUTE_UNUSED.
16258 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16260 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16261 to .section when outputting a .bss section to deal with multiple
16262 .bss input sections (as happens with -fdata-sections)
16263 Also output %progbits, not @progbits so the assembler doesn't treat as
16265 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16267 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16268 thumb parts even when building with non-thumb CPUs, by forcing
16271 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16273 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16274 (movdf_const_intreg_sp64): Similarly.
16276 * local-alloc.c (update_equiv_regs): Check the correct insn
16277 for pre-existing REG_EQUIV notes.
16279 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16281 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16282 block reached by a branch if we're not going to actually process
16285 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16287 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16288 a local extern function declaration.
16290 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16292 * i386.c (ix86_expand_prologue): Properly wrap USE around
16293 reg for CALL_INSN_FUNCTION_USAGE.
16295 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16297 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16298 move between GP_REGs.
16300 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16302 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16303 the mode size when finding out if an offset is legal.
16305 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16307 * basic-block.h (PROP_*): Move constants from ...
16308 * flow.c: ... here.
16309 (compute_bb_for_insn): Free the array before reallocating.
16310 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16311 (allocate_reg_life_data): Reset all reg variables collected by
16313 (get_block_head_tail): Don't convert from bb to block.
16314 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16315 (find_insn_reg_weight): Take block not bb.
16316 (schedule_block): Don't set block num for moved insns.
16317 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16318 (schedule_insns): Do it here instead.
16319 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16320 before update_life_info.
16321 * recog.c (split_all_insns, peephole2_optimize): Update for
16322 new arg to update_life_info.
16323 * rtlanal.c (remove_note): Cope with NULL note.
16324 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16327 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16329 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16331 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16332 block records so that merge_blocks_nomove will clean up correctly.
16333 (split_edge): Handle casesi insns.
16335 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16337 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16339 * pa.md (call, call_value): Do not emit a blockage after restoring
16342 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16344 * c-typeck.c (c_expand_asm_operands): Fix typo.
16346 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16348 * arm.c (fpu_rhs_operand): Verify modes.
16349 (fpu_add_operand): Likewise.
16350 (di_operand): Likewise.
16351 (soft_df_operand): Likewise.
16353 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16355 * arm.c (arm_return_in_memory): APCS rules state that the elements
16356 of a structure returned in a register must be 'integer-like'.
16358 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16360 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16361 in the source tree when the generated targets are out of date
16362 * fixinc/genfixes: Alter it to run individual fixes for make.
16363 * fixinc/README: rewrite
16364 * fixinc/inclhack.def: moved initial comments to README
16366 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16368 * toplev.c (main): Do not generate an error message if an
16369 unrecognised command line switch is recognisable by another
16370 language. If extra_warnings are enabled, then generate a
16371 warning message instead.
16373 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16375 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16376 (insert_pack_attributes): Delete prototype.
16378 * c-pragma.c (default_alignment): New static variable.
16379 (push_alignment): Initialize to current effective alignment.
16380 (pop_alignment): Use to set new alignment.
16381 (insert_pack_attributes): Delete function.
16382 (handle_pragma_token): Set default_alignment as well each time
16383 a #pragma pack(<n>) is encountered.
16385 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16387 * reg-stack.c (stack_result): Aggregates are not returned in
16390 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16392 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16394 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16396 * basic-block.h (set_block_num): Declare.
16397 * flow.c (update_life_info): Don't call compute_bb_for_insn
16398 or free_basic_block_vars.
16399 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16400 (insn_orig_block): Remove.
16401 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16402 (schedule_block): Keep BLOCK_NUM up-to-date.
16403 (schedule_insns): Use compute_bb_for_insn.
16404 * recog.c (split_all_insns): Likewise.
16405 (peephole2_optimize): Likewise.
16407 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16409 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16410 if the pic register is used.
16412 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16414 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16415 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16416 if that tests TREE_PERMANENT.
16418 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16420 * cse.c (invalidate_for_call): Do not remove memory references from
16421 the table here. It's handled elsewhere.
16423 * haifa-sched.c (add_dependence): Protect references to the
16424 true dependency cache with #ifdef INSN_SCHEDULING.
16425 (remove_dependence): Similarly.
16427 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16428 to the cfg code that this is a return instruction.
16429 * mn10300.md (return_internal): Similarly.
16431 * combine.c (get_last_value): If the last set of a register
16432 is after subst_low_cuid, then we can not use it to determine
16433 the register's last value.
16435 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16437 * Makefile.in: Back out previous change.
16439 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16441 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16443 * haifa-sched.c (add_dependence): Only check/update the cache
16445 (remove_dependence): Likewise.
16446 (schedule_insns): Only create the true_dependency_cache if the
16447 average number of instructions in a basic block is very large.
16449 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16451 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16452 (ggc-simple.o): Likewise.
16453 (ggc-page.o): Likewise.
16455 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16457 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16458 Prototype for exported functions.
16459 (pre_lcm, pre_rev_lcm): Remove prototypes.
16460 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16461 (compute_available): Move to lcm.c, and change parameter order.
16462 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16463 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16464 (gcse_main): No longer call compute_preds_succs. Rebuild the
16465 set table after reach pre pass.
16466 (pre_insert_map, pre_delete_map, edge_list): New.
16467 (alloc_pre_mem): Allocate edge vectors.
16468 (free_pre_mem): Delete edge vectors.
16469 (compute_pre_data): Call new edge based lcm routines.
16470 (process_insert_insn): New function.
16471 (insert_insn_end_bb): Use it.
16472 (pre_edge_insert): New function.
16473 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16475 (pre_insert_copies): Revamp using new edge based lcm outputs.
16476 (pre_delete): Likewise.
16477 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16479 (compute_code_hoist_vbeinout): New new edge based routines.
16480 * lcm.c: Remove all the old LCM functions. Replace with new ones
16481 that work with the new cfg datastructures and work with edges
16484 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16486 * reload.h (struct reload): Add new fields "mode" and "nregs".
16487 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16488 to reference the "mode" and "nregs" field within struct reload.
16490 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16492 * haifa-sched.c (true_dependency_cache): New.
16493 (add_dependence): Use the true dependency cache to avoid expensive
16494 walks down the LOG_LINKS dependency list. Add entries to the
16495 cache as necessary.
16496 (remove_dependence): Remove entries from the true dependency cache
16498 (schedule_insns): Allocate and initialize and free the true
16501 * haifa-sched.c (schedule_insns): Do not remove inter-block
16502 dependencies anymore.
16504 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16506 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16507 * i386/t-winnt: Likewise.
16509 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16511 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16513 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16515 * Makefile.in (LANGUAGES): Omit "proto".
16516 (clean): Remove stale comment about removing unprotoize.c.
16518 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16520 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16521 using arithmetic on void pointers.
16523 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16525 * haifa-sched.c (compute_block_forward_dependencies): Only check
16526 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16528 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16530 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16531 (expr_equiv_p): Reject memories with different alias sets.
16533 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16535 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16536 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16537 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16538 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16539 (lang_init): Set default for flag_bounds_check if still "unspecified".
16541 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16543 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16545 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16547 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16550 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16552 * config/c4x/c4x.md (*db_noclobber,
16553 *decrement_and_branch_until_zero_noclobber): New patterns and
16554 associated splitters.
16556 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16558 * config/c4x/c4x.md (parallel instruction patterns): Rework
16559 constraints to keep reload happy.
16561 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16563 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16564 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16565 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16566 Add new patterns and associated post-reload splitters.
16568 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16570 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16572 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16574 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16576 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16578 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16580 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16583 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16585 * pa.c (move_operand): Rely on memory_address_p to determine the
16586 validity of non-indexed memory addresses.
16587 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16588 operand in DFmode and SFmode when generating PA2.0 code.
16590 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16592 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16594 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16596 * mips.c (function_prologue): Fix argument types.
16597 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16598 (casesi_internal): Write to the scratch register.
16600 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16602 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16604 (parse_charconst): Delete unnecessary cast when calling
16606 (cpplib.h): Kill prototype of cpp_parse_escape.
16608 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16610 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16611 * unroll.c (unroll_loop): Cast return value of alloca.
16612 * i370/i370.c: Include function.h and toplev.h.
16613 (i370_label_scan): Remove c++ commented abort.
16614 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16615 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16616 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16617 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16619 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16621 * config/t-freebsd: Do not override USER_H.
16622 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16624 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16625 Mumit Khan <khan@xraylith.wisc.edu>
16627 * c-parse.in (component_decl): Support anonymous struct/union.
16629 * c-parse.y: Regenerate.
16630 * c-parse.c: Likewise.
16631 * objc/objc-parse.y: Likewise.
16632 * objc/objc-parse.c: Likewise.
16633 * c-decl.c (finish_struct): Don't sort the fields.
16634 (field_decl_cmp): Delete unused function.
16636 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16638 * sparc.md (movsf_const_intreg): Revert last constraint change.
16639 (movdf_const_intreg_sp32): Likewise.
16641 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16643 * cse.c: Include hashtab.h instead of splay-tree.h
16644 (struct cse_reg_info): No longer use variant union. Add new
16645 field "regno". All references changed to avoid union.
16646 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16647 (free_cse_reg_info): Remove.
16648 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16649 (get_cse_reg_info): Revamp to use expandable hash tables instead
16650 of splay trees. Initialize new fields in cse_reg_info structure.
16651 (new_basic_block): Similarly.
16653 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16655 * genrecog.c (message_with_line): Prototype.
16656 (validate_pattern): Pass along the set for the dest, not a flag.
16657 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16658 Check for PC/CC0 as sources.
16659 (nodes_identical): Check for children position match before
16660 allowing the combination.
16662 * rtl.c (read_rtx): Track line number across \\\n.
16664 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16666 * mips.h (SPECIAL_MODE_PREDICATES): New.
16667 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16668 (movdi+1, movsi+1): Add output reload constraint.
16669 (casesi_internal): Likewise. Fix commentary.
16670 (return_internal): Use pmode_register_operand.
16672 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16674 * 1750a.md (movstrqi): Add missing output reload constraint.
16675 (call_value): Likewise.
16676 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16677 (jmpfdec): Add missing inout reload constraint.
16678 * elxsi.md (addsi patterns): Add missing output reload constraint.
16679 (move from sp): Use @ alternates.
16680 (call_value): No constraint on output.
16681 * fr30.md (movsi_pop): Add missing output reload constraint.
16682 (movsf_constant_store): Likewise.
16683 (splits): Remove constraints.
16684 (subsi3): Add missing mode.
16685 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16686 (call_value): Likewise.
16687 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16688 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16689 * m32r.md (movsicc_internal): Add output reload constraint.
16690 (movstrsi_internal): Add inout reload constraints.
16691 * m88k.h (reg_names): Don't declare.
16692 (SPECIAL_MODE_PREDICATES): New.
16693 * m88k.md (*): Use register_operand not reg_or_0_operand
16695 * mn10200.h (PREDICATE_CODES): New.
16696 * ns32k.md (ffs pattern): Add output reload constraint.
16697 * pdp11.md (sob pattern): Add inout reload constraint.
16698 * sh.md (splits): Remove constraints.
16699 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16700 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16701 * vax.md (jgequ pattern): Add inout reload constraint.
16703 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16705 * configure.in (djgpp): Revert previous patch.
16706 * configure: Rebuit.
16707 * config/i386/djgpp.h: Revert previous patch.
16709 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16711 * fixinc/inclhack.def: Restore patch lost during last merge of
16712 "no_bogosity" branch.
16713 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16715 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16717 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16718 * fixinc/inclhack.def: Same.
16719 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16721 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16723 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16724 as the base of a PLUS.
16726 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16728 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16729 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16731 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16733 * pa.md (post_stw+1): Use pmode_register_operand.
16734 (dcacheflush, icacheflush): Likewise.
16736 * i386.md (movstricthi_1): Allow r/r.
16738 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16740 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16741 to (not (and (arg0) (arg1))). Similary for and.
16743 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16744 fallthrough to associate code.
16745 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16748 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16749 no bits in common; remove XOR to ROTATE conversion.
16751 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16753 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16755 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16757 * config/c4x/c4x.c (dst_operand): New.
16758 (PREDICATE_CODES): Update.
16759 * config/c4x/c4x.h (dst_operand): Declare it.
16760 * config/c4x/c4x.md: Define mode for each unspec usage.
16761 (move patterns): Use dst_operand predicate instead of src_operand.
16762 (movqi_update, movqf_update): Delete.
16764 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16766 * recog.c (pmode_register_operand): New.
16767 * recog.h: Declare it.
16768 * genrecog.c (pred_codes): Likewise.
16769 (special_mode_pred_table): Likewise.
16770 (validate_pattern): Don't warn no mode for address_operand.
16772 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16773 if the operand is not insn-like.
16775 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16776 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16778 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16780 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16782 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16783 instead of general_operand in a SET_DEST. Use const_double_operand
16784 instead of an explicit test against CONST_DOUBLE.
16785 (movsf_const_lo): Add missing register mode.
16786 (goto_handler_and_restore): Add auxiliary test for Pmode.
16787 (flush): Adjust to use address_operand.
16788 (return_sf_no_fpu): Add missing output constraint.
16790 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16792 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16793 for call return value.
16794 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16796 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16798 * toplev.c (main): Only warn about options for other languages.
16799 * collect2.c (main): Pass -w to sub-gcc.
16801 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16803 * flow.c (propagate_block): Add call-clobbered registers to
16806 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16807 zapping mem_set_list.
16808 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16809 (mark_set_1, mark_used_regs): Likewise.
16811 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16813 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16815 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16817 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16818 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16819 options. Also add a new item "C-only Warning Options" to the
16822 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16824 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16825 from multiple calls.
16827 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16829 * i386.md (call value patterns): Move to the end of the file.
16830 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16832 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16834 * configure.in (djgpp configuration): Define extra_objects..
16835 * configure: Rebuilt.
16836 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16837 (DTORS_SECTION_ASM_OP): Define.
16838 (INIT_SECTION_ASM_OP): Define.
16839 (FINI_SECTION_ASM_OP): Define.
16840 (DATA_SECTION_ASM_OP): Define.
16841 (TEXT_SECTION_ASM_OP): Define.
16842 (EH_FRAME_SECTION_ASM_OP): Define.
16843 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16844 (STARTFILE_SPEC): Add crtbegin.o.
16845 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16846 to here from LINK_COMMAND_SPEC.
16847 (DO_GLOBAL_CTORS_BODY): Define.
16848 (CRTSTUFF_USE_FINI_SECTION): Define
16849 (HAS_INIT_SECTION): Delete.
16851 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16853 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16855 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16857 * pa.h (PREDICATE_CODES): New.
16859 * genrecog.c (validate_pattern): Condense the destination
16860 non-lvalue message.
16862 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16864 * alpha.md (call-1): Supply missing mode for operator.
16865 (*): Add missing output reload constraints. Remove constraints
16866 from define_splits.
16868 * i386.h (SPECIAL_MODE_PREDICATES): New.
16869 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16870 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16871 (addsi_lea_3): Add missing mode for op 3.
16872 (prologue_set_got, prologue_get_pc): Add missing modes.
16873 (*) Add missing output reload constraints.
16875 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16877 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16878 check for member bit-size overflow and use var_size if it occurs.
16879 (layout_record): Use bitsize_int() to define the type size in bits.
16880 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16881 (layout_decl): Likewise when assigning to DECL_SIZE.
16883 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16885 * genrecog.c (validate_pattern): Typo last change. Verify
16886 that output operands have output reloads.
16888 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16890 * genrecog.c (special_mode_pred_table): New.
16891 (NUM_SPECIAL_MODE_PREDS): New.
16892 (find_operand): New.
16893 (validate_pattern): New argument `insn'. Warn for assignment to
16894 any predicate accepting non-lvalues. Conditionaly warn for
16895 match_operand without a mode. Try much harder to match source
16896 and destination modes on a set.
16897 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16899 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16901 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16903 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16905 * combine.c (simplify_logical): Recognize xor pattern that encodes
16908 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16910 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16913 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16915 * ggc-page.c (MAP_FAILED): Provide default.
16917 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16919 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16920 * sparc.h (PREDICATE_CODES): Update.
16922 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16924 * alpha.c (some_ni_operand): New.
16925 * alpha-protos.h: Declare it.
16926 * alpha.h (PREDICATE_CODES): Update.
16927 * alpha.md (sXaddq reload insns): Use some_ni_operand
16928 for SET_DEST instead of some_operand.
16930 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16931 Jim Wilson <wilson@cygnus.com>
16933 * genrecog.c (maybe_both_true_2): Don't compare modes of
16935 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16936 after find_afterward.
16937 (debug_decision_1): Dump next and afterward codes.
16939 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16941 * rtl.c (dump_and_abort): Remove.
16942 (fatal_with_file_and_line): New.
16943 (fatal_expected_char): New.
16944 (read_rtx_lineno, read_rtx_filename): New.
16945 (read_skip_spaces): Track line number.
16946 (read_name): Use fatal_with_file_and_line.
16947 (read_rtx): Use fatal_expected_char. Track line number.
16948 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16950 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16951 if it isn't a CODE_LABEL.
16953 * genattr.c (main): Set read_rtx_filename.
16954 * genattrtab.c (main): Likewise.
16955 * gencodes.c (main): Likewise.
16956 * genconfig.c (main): Likewise.
16957 * genemit.c (main): Likewise.
16958 * genextract.c (main): Likewise.
16959 * genflags.c (main): Likewise.
16960 * genopinit.c (main): Likewise.
16961 * genoutput.c (main): Likewise.
16962 * genpeep.c (main): Likewise.
16964 * genrecog.c (decision_test.u.insn): Add `lineno'.
16965 (pattern_lineno, error_count): New variables.
16966 (message_with_line): New.
16967 (add_to_sequence): Break out checking code to ...
16968 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16969 (merge_insn): Use message_with_line.
16970 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16971 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16973 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16975 * expr.c (store_constructor): Clear union if constructor is empty.
16977 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16979 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16980 Add !endian checks. Change %{...} to %(...).
16982 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16984 * i386.md (*addsi3_cc): Renamed from addcsi3.
16985 (*addsi3_carry): Renamed from addxsi3.
16986 (*subsi3_cc): Renamed from subcsi3.
16987 (*subsi3_carry): Renamed from subxsi3.
16988 (*xorqi_cc_1): Renamed from xorcqi_1.
16989 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16990 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16992 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16994 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16995 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16997 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16999 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17000 climb up the chain of insns.
17002 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17004 * genrecog.c (write_subroutine): Careful for null trees.
17005 (process_tree): Don't elide empty functions.
17007 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17009 * Makefile.in (genrtl.o): Depend on ggc.h.
17010 * configure.in (valloc): Probe for it.
17011 (with-gc): Use ggc-page if valloc present.
17012 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17013 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17014 (ggc_alloc_string): Moved from ggc-page.c.
17015 * ggc-none.c (ggc_alloc_obj): New.
17016 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17017 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17018 (struct globals): Likewise for dev_zero_fd.
17019 (init_ggc): Likewise for it's initialization.
17020 (ggc_allocated_p): Move careful dereference from ...
17021 (ggc_lookup_page_table): ... here. Delete.
17022 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17023 (alloc_anon): Use valloc if no mmap.
17024 (release_pages): Use free if using valloc.
17025 (ggc_alloc_obj): Renamed from alloc_obj.
17026 (ggc_set_mark): Renamed from mark_obj.
17027 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17028 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17029 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17030 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17031 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17032 (ggc_collect): Use fp printing instead of our own rounding.
17033 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17034 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17035 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17036 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17037 (struct ggc_string, struct ggc_any): Delete.
17038 (offsetof): Provide default definition.
17039 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17041 (struct ggc_mem): New, from corpse of ggc_any.
17042 (struct ggc_status): Delete.
17043 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17044 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17045 (n_strings_collected, n_anys_collected): Delete.
17046 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17047 (ggc_alloc_string, ggc_alloc): Delete.
17048 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17049 (ggc_free_string, ggc_free_any): Delete.
17050 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17051 (ggc_compare_addresses, ggc_mark_string): Delete.
17052 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17053 (search_data): Delete.
17054 (struct globals): New.
17055 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17056 (tree_insert, tree_lookup): New.
17057 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17058 (clear_marks, sweep_objs): New.
17059 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17060 (init_ggc): Set allocated_last_gc.
17061 (ggc_push_context): Gut. Use G.context.
17062 (ggc_pop_context): Likewise.
17063 (ggc_pop_context_1): New.
17064 (debug_ggc_tree): New.
17065 (debug_ggc_balance, tally_leaves): New.
17066 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17067 (ggc_mark_string_if_gcable): Remove decl.
17068 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17069 (ggc_mark_rtvec_children): New.
17070 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17071 (ggc_mark_if_gcable): New decl.
17072 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17073 (ggc_alloc_tree, ggc_alloc): Likewise.
17074 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17075 (ggc_alloc_obj): New decl.
17076 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17077 (ggc_alloc_tree, ggc_alloc): Likewise.
17078 (ggc_set_mark): New decl.
17079 * rtl.h (struct rtx_def): Remove gc_mark.
17080 (struct rtvec_def): Likewise.
17081 * tree.h (struct tree_common): Likewise.
17083 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17085 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17086 float_format and thread_file definitions.
17087 * configure: Rebuilt.
17089 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17091 * extend.texi (Function Names): Document types of function names.
17093 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17095 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17096 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17098 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17100 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17102 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17104 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17106 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17108 * collect2.c (main): Do prelimnary link on AIX if rflag.
17110 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17112 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17113 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17115 (__do_global_dtors): similarly for __DTOR_LIST__.
17117 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17118 Diego Novillo <dnovillo@cygnus.com>
17120 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17123 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17125 * fixincl/*: Merged "no_bogosity" branch
17126 * fixincl/fixlib.h: protect against doubly defining t_bool
17127 * fixincl/server.h: protect against doubly defining t_bool
17129 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17131 * genoutput.c: Include toplev.h.
17133 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17135 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17137 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17138 * configure: Regenerate.
17140 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17142 * gcse.c (delete_null_pointer_checks): Returns void.
17144 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17146 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17147 * emit-rtl.c (copy_insn_1): Likewise.
17149 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17151 * config/mips/mips.c (mips_build_va_list): Correct
17152 TREE_CHAIN setting when hard-float.
17153 (mips_va_start): Use corrected setting.
17154 (mips_va_arg): Likewise. Also pass a tree to build of
17155 POSTINCREMENT_EXPR rather than a naked 'int'.
17157 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17159 * ggc.h (ggc_push_context): Fix comment.
17160 (ggc_pop_context): Likewise.
17161 (mark_string_if_gcable): Likewise.
17162 * ggc-common.c (ggc_mark_rtx_children): Use
17163 ggc_mark_string_if_gcable.
17164 * ggc-page.c (ggc_lookup_page_table): New function.
17165 (ggc_allocated_p): Likewise.
17166 (mark_obj): Fix formatting.
17167 (ggc_mark_string_if_gcable): New function.
17168 * ggc-simple.c (ggc_allocated_strings): New variable.
17169 (ggc_strings_used): Likewise.
17170 (ggc_compare_addresses): New function.
17171 (ggc_pop_context): Pop the `any' memory too.
17172 (ggc_mark_string_if_gcable): New function.
17173 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17175 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17177 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17178 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17179 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17182 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17184 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17185 (sched_reg_live_length, sched_reg_basic_block): Delete.
17186 (current_block_num, bb_live_regs, old_live_regs): Delete.
17187 (dead_notes, struct sometimes): Delete.
17188 (sched_note_set, birthing_insn_p): Delete.
17189 (adjust_priority): Gut useless reg lifetime code.
17190 (create_reg_dead_note, attach_deaths): Delete.
17191 (attach_deaths_insn, new_sometimes_live): Delete.
17192 (finish_sometimes_live): Delete.
17193 (find_pre_sched_live, find_post_sched_live): Delete.
17194 (update_reg_usage): Delete.
17195 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17196 (schedule_insns): Delete reg lifetime code.
17197 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17198 (unlink_other_notes): Adjust REG_NOTE commentary.
17199 (reemit_notes): Use REG_SAVE_NOTE.
17200 (schedule_block): Likewise.
17201 (schedule_region): Allocate bitmap of blocks in region. Use
17202 count_or_remove_death_notes. Use update_life_info.
17204 * rtl.h (REG_SAVE_NOTE): New.
17205 * rtl.c (reg_note_name): Update.
17207 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17209 * combine.c (refresh_blocks, need_refresh): New.
17210 (combine_instructions): Allocate refresh_blocks. Invoke
17211 update_life_info if needed.
17212 (distribute_notes): Mark refresh_blocks instead of installing
17214 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17215 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17217 * Makefile.in (recog.o): Depend on basic-block.h.
17219 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17221 * genrecog.c (add_to_sequence): Thinko last change: delete
17222 shadowing allow_const_int variable.
17224 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17226 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17227 __GNUC__ and __GNUC_MINOR__.
17229 * gansidecl.h: Likewise.
17235 * toplev.h: Likewise.
17237 * tree.c: Likewise.
17239 * tree.h: Likewise.
17241 * varray.c: Likewise.
17243 * varray.h: Likewise.
17245 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17247 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17248 use one before a jump table.
17250 * rtl.def (ADDRESS): Change documentation to match reality.
17251 * md.texi: Don't document it.
17252 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17255 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17257 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17259 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17260 known predicate block; default allow_const_int true.
17261 (debug_decision_list): New.
17263 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17265 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17267 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17269 * gcse.c (gcse_main): Avoid global optimizations if we have a
17270 large number of basic blocks and the ratio of edges to blocks
17272 (delete_null_pointer_checks): Likewise.
17274 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17276 * c-common.c (check_format_info): Warn if format string isn't a
17279 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17281 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17282 * configure: regenerate
17284 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17286 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17287 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17288 (peepholes): Re-enable.
17290 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17292 * Makefile.in (flow.o): Depend on TREE_H.
17293 * basic-block.h (REG_SET_EQUAL_P): New.
17294 (XOR_REG_SET): New.
17295 (n_edges): Declare.
17296 (free_regset_vector): Remove declaration.
17297 (flow_delete_insn_chain): Declare.
17298 (enum update_life_extent): New.
17299 (update_life_info, count_or_remove_death_notes): Declare.
17300 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17301 Verify register live at bb->global_live_at_start before adding USE.
17302 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17303 (CLEAN_ALLOCA): New.
17305 (PROP_*): New flags.
17306 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17307 (clear_edges): Zero n_edges.
17308 (make_edge): Increment n_edges.
17309 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17310 (flow_delete_insn_chain): Export.
17311 (delete_block): Decrement n_edges.
17312 (merge_blocks_nomove): Likewise.
17313 (life_analysis): Give life_analysis_1 PROP flags.
17314 (verify_wide_reg_1, verify_wide_reg): New.
17315 (verify_local_live_at_start): New.
17316 (update_life_info): Rewrite to call into propogate_block.
17318 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17319 always mark stack pointer. Conditionally mark PIC register.
17320 After reload, mark call-saved registers, return regsiters.
17321 (life_analysis_1): Accept PROP flags not remove_dead_code.
17322 Call mark_regs_live_at_end before zeroing regs_ever_live.
17323 Use calculate_global_regs_live. Copy global_live_at_end before
17324 calling final propagate_block. Zero reg_next_use on exit.
17325 (calculate_global_regs_live): New.
17326 (allocate_bb_life_data): Don't allocate bb->local_set.
17327 (init_regset_vector, free_regset_vector): Remove.
17328 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17329 Test flags before every operation. Warn if prologue/epilogue insn
17330 would have been deleted.
17331 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17332 Use alloc_EXPR_LIST.
17333 (mark_used_regs): Accept and use FLAGS, not FINAL.
17334 Remove special handling for RETURN.
17335 (try_pre_increment): Use alloc_EXPR_LIST.
17336 (dump_flow_info): Dump n_edges.
17337 (unlink_insn_chain, split_hard_reg_notes): Remove.
17338 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17339 (find_insn_with_note, new_insn_dead_notes): Remove.
17340 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17341 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17342 (replace_insns): Remove.
17343 (count_or_remove_death_notes): New.
17344 (verify_flow_info): Abort on error after all checks.
17345 (remove_edge): Decrement n_edges.
17346 (remove_fake_edges): Tweak format.
17347 * haifa-sched.c (schedule_insns): Use split_all_insns.
17348 * output.h (update_life_info): Remove declaration.
17349 * recog.c (split_all_insns): From the corpse of split_block_insns,
17350 do the whole function block by block. Use update_life_info.
17351 (recog_last_allowed_insn): New.
17352 (recog_next_insn): Mind it.
17353 (peephole2_optimize): Set it. Walk backwards through blocks.
17354 Use update_life_info.
17355 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17356 (split_all_insns): Declare.
17357 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17358 Use split_all_insns.
17360 * i386.md (or -1 peep2s): Disable.
17362 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17364 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17365 a single pattern. Scrap the 'd' versions as unnecessary.
17367 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17368 tablejump_mips162,tablejump_internal4): The operands to a
17369 label_ref must be VOIDmode.
17371 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17373 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17375 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17377 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17379 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17381 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17382 cache every function if ggc_p.
17384 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17386 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17387 instead of copy_rtx. Accept sequences that contain asm statements.
17388 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17389 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17390 orig_asm_operands_vector, copy_asm_operands_vector,
17391 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17393 * rtl.h (copy_insn, copy_insn_1): Declare.
17395 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17397 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17399 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17400 arguments to `current_file_function_operand'.
17402 * genrecog.c: Include hard-reg-set.h and resource.h in the
17403 generated output file.
17405 * real.c: Include tm_p.h.
17407 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17409 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17412 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17414 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17415 before the fctiwz insn.
17417 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17418 Mark Mitchell <mark@codesourcery.com>
17420 * tree.c (make_lang_type_fn): New funtion pointer.
17421 (make_lang_type): Call it.
17422 * tree.h (make_lang_type): Declare.
17423 (make_lang_type_fn): Likewise.
17424 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17426 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17428 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17429 make sure that HIGH instructions are copied into BASE_REGS.
17431 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17433 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17435 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17437 * c-decl.c (finish_struct): Use simpler method of
17438 removing elements of a singly-linked list.
17440 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17442 * alpha.md (peephole2's): Comment out peephole2's that generate
17445 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17447 * genrecog.c (add_to_sequence): Disable mode check for
17450 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17452 * ggc-simple.c (init_ggc): Set empty_string.
17454 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17456 * configure.in: Detect mmap. Add --with-gc=foo to select
17457 garbage collector; default to page if mmap available.
17458 * Makefile.in (GGC): Substitute.
17460 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17462 * c-decl.c (ggc_p): Enable.
17464 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17466 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17468 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17470 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17471 string for little-endian-data.
17473 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17475 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17476 case somebody tries to compile --enable-checking code with gcc
17479 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17481 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17484 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17486 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17487 * jump.c (jump_optimize_1): Document why.
17489 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17491 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17492 pointers and casts for `int_handler' and `quit_handler'.
17494 * flow.c (verify_flow_info, split_hard_reg_notes,
17495 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17496 remove_edge, remove_fake_successors): Add static prototypes.
17497 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17498 (mark_set_1): Initialize variable `regno'.
17499 (unlink_insn_chain): Likewise for variable `curr'.
17500 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17502 * loop.c (strength_reduce): Initialize variable
17503 `unrolled_insn_copies'.
17504 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17505 prototypes. Change these functions to take const PTR parameters
17506 to avoid prototype conflict when used as the comparson argument
17508 (check_dbra_loop): Initialize variable `comparison_val'.
17510 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17511 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17512 (find_valid_class): Initialize variable `best_class'.
17513 (find_reloads): Call memcpy, not bcopy.
17515 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17516 (hard_reg_use_compare): Don't needlessly cast away const.
17517 (reload_reg_class_lower): Likewise.
17518 (choose_reload_regs): Initialize variable `regno'.
17520 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17522 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17524 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17526 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17527 ({,d}discard): Add forward declarations. Declare parameter as
17529 (main_without_main): Explicitly declare return type to be int.
17530 (memcpy): Properly declare.
17532 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17533 building the trampoline support, declare malloc, free, and
17535 (__clear_cache): Mark arguments as potentially unused.
17537 * frame.c (toplevel): If inhibit_libc is defined, declare
17540 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17542 * flow.c (make_edge): Accept an optional 2D bitmap in which
17543 to cache edge existence. Update all callers.
17544 (make_label_edge, make_eh_edge): Pass through the edge cache.
17545 (make_edges): Provide the cache.
17547 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17549 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17551 (local_mbtowc): Change the type of variable `i' from int to size_t.
17553 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17554 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17556 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17558 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17559 after other includes that define the appropriate types. Include
17560 tm_p.h for getting user prototypes.
17561 * ggc-callbacks.c (toplevel): Ditto.
17562 * ggc-none.c (toplevel): Ditto.
17563 * gcc-page.c (toplevel): Ditto.
17564 * ggc-simple.c (toplevel): Ditto.
17566 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17567 Jonathan Larmour <jlarmour@cygnus.co.uk>
17569 * config/mips/mips.c (mips_move_2words): Split doubles if
17570 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17572 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17574 * genrecog.c (struct decision_test): New.
17575 (struct decision): Remove test-related members, sort the rest by size.
17576 (IS_SPLIT): Simplify.
17577 (new_decision, new_decision_test): New.
17578 (add_to_sequence): Use them. No special handling for args of
17580 (maybe_both_true): Renamed from not_both_true; return sense changed.
17581 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17582 of maybe_both_true and adjusted for decision_test.
17583 (position_merit): Remove.
17584 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17585 (merge_accept_insn): New, broken out of merge_trees.
17586 (merge_trees): Use them. No special case for c_test; no node
17587 splitting; use test type instead of position_merit.
17588 (factor_tests): New.
17589 (simplify_tests): New.
17590 (break_out_subroutines): Don't write code now.
17591 (find_afterward): New.
17592 (write_afterward, write_switch, write_cond): New.
17593 (write_action, is_unconditional): New.
17594 (write_node): New. Use them.
17595 (write_tree_1): Rewrite. Use the new functions above.
17596 (write_tree): Remove afterward processing.
17597 (write_subroutine): Simplify function variant emission.
17598 (write_subroutines): New.
17599 (same_codes, clear_codes): Remove.
17600 (same_modes, clear_modes): Remove.
17601 (write_header): New, broken out of main.
17602 (make_insn_sequence): Use new_decision and new_decision_test.
17603 (process_tree): New, broken out of main.
17604 (main): Adjust for merge_trees interface change.
17605 Don't #define operands in the output file.
17606 (record_insn_name): New, broken out of make_insn_sequence.
17607 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17608 (debug_decision): New.
17610 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17612 * resource.c (find_free_register): Mark class_str argument const.
17613 * resource.h: Update prototype to match.
17615 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17616 * i386.md: Give all anonymous insns names.
17618 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17620 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17623 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17625 * toplev.c (dbr_sched_time): Unconditional.
17626 (peephole2_time): New.
17627 (compile_file): Add pass numbers to all of the dump file suffixes.
17628 Dump peephole2_time. Don't dump times for non-applicable passes.
17629 (rest_of_compilation): Add pass numbers to dump file suffixes.
17630 Conditionalize calls to the scheduler.
17631 * invoke.texi: Update.
17633 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17635 * flow.c (make_edges): Fix insn iteration.
17636 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17637 (find_basic_blocks_1): Fix spelling mistake.
17639 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17641 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17642 always have side-effects. Use memset not bzero.
17643 (make_node): Likewise.
17645 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17647 * stmt.c (expand_anon_union_decl): When any of the elements of the
17648 union is addressable, so is the entire union.
17650 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17652 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17654 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17655 * bitmap.c (bitmap_operation): Return true iff TO changed.
17656 (bitmap_equal_p): New.
17657 (bitmap_bit_p): Tidy arithmetic.
17658 (debug_bitmap_file): Likewise.
17660 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17662 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17663 before cse2 instead of after.
17665 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17667 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17670 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17672 * cppinit.c (is_idchar initializer): Loosen tests to accept
17675 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17677 * mips.md: Define conditional move patterns for floating point
17678 operands and DI mode conditions.
17680 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17682 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17683 always have side-effects.
17685 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17687 * mn10200.c (asm_file_start): Fix typo.
17689 * cppinit.c (is_idchar initializer): Tighten tests for when
17690 to put the table into initialized memory.
17692 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17693 not an array of rtunion.
17694 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17695 * gcc-simple (ggc_free_rtvec): Similarly.
17697 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17700 * mbchar.h: Add missing #endif.
17702 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17703 (FPBIT, DPBIT): Define.
17705 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17707 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17709 * profile.c (instrument_arcs, output_gcov_string,
17710 tablejump_entry_p): Add static prototypes.
17711 (output_gcov_string): Constify a char*.
17713 * regmove.c (replacement_quality, fixup_match_2): Add static
17716 * resource.h (reg_dead_p): Add extern prototype.
17718 * rtl.c (trim_filename): Add static prototype.
17720 * scan-decls.c (skip_to_closing_brace): Likewise.
17722 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17723 (expand_end_case): Initialize variable `range'.
17724 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17726 * varasm.c (asm_emit_uninitialised): Add static prototype.
17727 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17730 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17732 * cpplib.c (if_directive_nameo): Add static prototype.
17734 * cse.c (cse_insn): Remove unused variable `p'.
17736 * except.c (create_rethrow_ref, push_entry,
17737 receive_exception_label, new_eh_region_entry, find_func_region,
17738 clear_function_eh_region, process_nestinfo): Add static prototypes.
17739 (get_reg_for_handler): Hide definition.
17740 (process_nestinfo): Initialize variable `extra_handlers'.
17742 * expr.h (expand_builtin_longjmp): Add extern prototype.
17744 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17746 * function.c (prepare_function_start): Likewise.
17747 (pop_function_context_from): Mark parameter `context' with
17749 (push_temp_slots_for_block, flush_addressof): Hide definition.
17751 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17752 solve_program_flow_graph, calculate_branch_probs,
17753 function_summary, main, fancy_abort): Add prototypes.
17755 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17756 (add_hash): Constify a char*.
17758 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17759 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17760 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17762 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17764 * lists.c (free_list, zap_lists): Likewise.
17766 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17768 * alias.c (nonlocal_reference_p): Add static prototype.
17770 * bitmap.c (bitmap_element_allocate): Prototype args in function
17773 * builtins.c (stabilize_va_list): Add static prototype.
17774 (expand_builtin_va_arg): Constify a char*.
17776 * c-lex.c (getch, put_back, extend_token_buffer_to,
17777 read_line_number, token_getch, token_put_back): Add static
17780 * c-parse.gperf (hash, is_reserved_word): Likewise.
17782 * cccp.c (is_dir_separator): Likewise.
17784 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17786 * graph.h: New file to prototype functions exported by graph.c.
17788 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17790 * graph.c: Include graph.h.
17792 * toplev.c: Likewise. Remove redundant prototypes.
17794 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17796 * invoke.texi: Removed duplicated description for -Q.
17798 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17800 * extend.texi: Grammar fix in __extension__ text.
17802 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17804 * md.texi (define_peephole2): New section.
17806 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17808 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17809 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17812 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17814 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17816 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17818 * i386.md (ffs expander): Emit Pentium friendly code for
17821 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17823 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17825 (build1): Likewise.
17827 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17829 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17831 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17833 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17834 register is in use.
17836 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17838 * md.texi (No Constraints): Delete section.
17839 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17840 * final.c (final_scan_insn): We always have register constraints.
17841 * genattrtab.c: Don't include "insn-config.h".
17842 (write_attr_case): We always have register constraints.
17843 * genconfig.c (register_constraint_flag): Delete.
17844 (walk_insn_part): Don't check whether we have register constraints.
17845 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17846 * genoutput.c (have_constraints): Delete.
17847 (main): Don't set it.
17848 (output_operand_data): We always have constraints.
17849 (scan_operands): Likewise.
17850 (compare_operands): Likewise.
17851 * local-alloc.c (block_alloc): We always have constraints.
17852 (requires_inout): Always compile this function.
17853 * recog.c (extract_insn): We always have constraints.
17854 (constrain_operands, reg_fits_class_p): Always compile these
17856 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17858 (struct insn_operand_data): Likewise.
17859 * regclass.c (regclass): We always have constraints.
17860 (record_reg_classes, copy_cost, record_address_regs,
17861 auto_inc_dec_reg_p): Always compile these functions.
17862 * regmove.c (regmove_optimize): We always have constraints.
17863 * reload.c (find_reloads): Likewise.
17864 * reload1.c (reload): Likewise.
17865 (reload_cse_simplify_operands): Likewise.
17866 * i860.c (output_delay_insn): Likewise.
17868 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17870 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17872 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17874 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17875 for the va_list record.
17877 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17879 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17882 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17884 * alias.c: Include insn-flags.h.
17885 * Makefile.in (alias.o): Update.
17887 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17889 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17890 to LTU and GEU. Handle more cases using sbb.
17892 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17894 * i386.md (truncatexfdf splitters): Do not use subreg.
17895 (fop XFmode patterns): Fix mode in operand testing.
17897 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17899 * jump.c (jump_optimize_1): Amend last change to test only the
17900 form of the operand, not the insn.
17902 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17903 not register_operand to determine when B may need preloading.
17905 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17907 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17908 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17909 (call-value patterns): Move to end of file.
17910 (*): Remove mode from label_ref in (pc) context.
17911 (movstrqi): Use memory not general_operand for BLKmode operands.
17912 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17913 to register_operand operands.
17914 (peep2 patterns): Convert from commented-out peephole patterns.
17916 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17918 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17919 to BUILT_IN_INIT_DWARF_REG_SIZES.
17920 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17921 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17922 expand_builtin_init_dwarf_reg_sizes.
17923 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17924 with __builtin_init_dwarf_reg_size_table.
17925 * dwarf2out.c (struct reg_size_range): Delete.
17926 (expand_builtin_init_dwarf_reg_sizes): New function.
17927 (expand_builtin_dwarf_reg_size): Delete.
17928 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17929 (expand_builtin_dwarf_reg_size): Don't declare.
17930 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17931 (dwarf_reg_size_table): New.
17932 (init_reg_size_table): New function.
17933 (copy_reg): Use dwarf_reg_size_table.
17934 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17937 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17939 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17940 Correctly build argument list to constructor and destructor functions.
17942 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17944 * c-tree.h (warn_float_equal): Declare.
17945 * c-decl.c (warn_float_equal): Define.
17946 (c_decode_option): Recognize -W[no-]float-equal.
17947 * c-typeck.c (build_binary_op): Conditionally warn
17948 about equality tests of floating point types.
17949 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17950 * invoke.texi: Add docs for -Wfloat-equal warning.
17952 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17954 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17955 generating RTL directly.
17956 * mips.h (INIT_TARGET_OPTABS): Likewise.
17957 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17959 * expr.h (init_mov_optab): Delete declaration
17961 * h8300.c (WORD_REG_USED): Update to avoid useless register
17962 saves in interrupt functions and functions which never return.
17964 * cse.c (struct set): Delete inner_dest_loc field.
17965 (cse_insn): Remove assignments to inner_dest_loc field.
17967 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17969 * ggc-page.c: Don't include <unistd.h> etc taken care of
17970 by "system.h". Include <sys/mman.h> afterward.
17972 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17974 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17977 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17979 * xcoffout.c (xcoffout_declare_function): Add documentation.
17980 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17981 TARGET_64BIT. Compare constant to -1, not bit pattern.
17982 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17983 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17986 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17988 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17989 origin_die is NULL.
17990 (gen_inlined_enumeration_type_die): Do not abort if the type has
17991 not been writeen out.
17992 (gen_inlined_structure_type_die): Do not abort if the type has
17993 not been writeen out.
17994 (gen_inlined_union_type_die): Do not abort if the type has
17995 not been writeen out.
17996 (gen_tagged_type_instantiation_die): Do not abort if the type
17997 has not been written out.
17999 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18001 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18003 * reg-stack.c (straighten_stack): Copy hard reg set with
18006 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18008 * builtins.c (stabilize_va_list): Stabilize array type va_list
18009 to a pointer type, not the base record type.
18010 (expand_builtin_va_copy): Dereference the pointers explicitly;
18011 use the correct size for the copy.
18013 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18014 (rs6000_va_arg): Likewise.
18016 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18018 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18020 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18022 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18024 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18026 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18028 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18029 (init_ggc): Use it instead of a constant.
18030 (ggc_collect): Bound allocated_last_gc by it.
18032 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18034 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18037 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18039 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18040 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18041 * configure: Regen.
18042 * config/mips/openbsd.h: New, OpenBSD little endian target.
18043 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18044 * config/mips/xm-openbsd.h: New, OpenBSD host.
18046 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18048 * config/m68k/m68k.c (output_function_prologue,
18049 output_function_epilogue): Use
18050 current_function_uses_pic_offset_table instead of regs_ever_live
18051 to decide whether to save/restore pic register.
18052 (legitimize_pic_address): Don't modify regs_ever_live any more.
18054 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18056 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18057 * stor-layout.c (variable_size): Don't add sizes to the pending
18058 sizes list if x_dont_save_pending_sizes_p is set.
18060 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18062 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18063 for symbolic_operand().
18064 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18066 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18068 * combine.c (gen_rtx_combine): Add missing call to va_end().
18070 * final.c (asm_fprintf): Likewise.
18072 * genattrtab.c (attr_rtx): Likewise.
18074 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18076 * cse.c: Update comments.
18077 (cse_insn): When converting a conditional/computed jump into
18078 an unconditional jump, always make sure a BARRIER immediately
18079 follows the converted jump. Do not delete unreachable code.
18080 (cse_basic_block): Do not delete unreachable code.
18081 * toplev.c (rest_of_compilation): Move call to
18082 delete_trivially_dead_insns after the conditional call to
18085 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18087 * collect2.c (make_temp_file): Don't prototype.
18089 * gcc.c (make_temp_file): Likewise.
18091 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18093 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18095 * varasm.c (asm_emit_uninitialised): New function: Generate
18096 the assembler statements necessary to declare an uninitialised
18098 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18100 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18101 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18103 (assemble_variable): Use asm_emit_uninitialised to emit an
18104 uninitialised variable.
18106 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18108 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18109 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18110 <geoffk@cygnus.com>.
18112 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18114 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18115 * c-common.h (builtin_function): Don't declare.
18117 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18119 (pushdecl): Likewise.
18120 (finish_decl): Likewise.
18121 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18122 int. All callers changed.
18123 Set the builtin's DECL_BUILT_IN_CLASS.
18124 * tree.h (enum built_in_class): New.
18125 (enum built_in_function): Delete NOT_BUILT_IN.
18126 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18128 (DECL_SET_FUNCTION_CODE): Likewise.
18129 (DECL_BUILT_IN_CLASS): New macro.
18130 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18131 (struct tree_decl): Split builtin function code field into a
18133 (builtin_function): Declare.
18135 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18137 * optabs.c (init_traps): Fix typo in last change.
18139 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18141 * toplev.c (rest_of_decl_compilation): Update comment.
18143 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18145 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18146 in .sbss if appropriate.
18147 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18148 (SBSS_SECTION_ASM_OP): New macro.
18149 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18150 (EXTRA_SECTIONS): Add in_sbss.
18151 * config/mips/mips.h: Prototype sbss_section.
18153 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18155 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18158 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18160 * optabs.c (init_traps): Register trap_rtx as a GC root.
18162 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18164 * config/mips/mips.c (function_arg_pass_by_reference): Define
18165 unconditionally, since it's called unconditionally.
18167 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18169 * toplev.c (documented_lang_options): Add -fshort-wchar.
18170 * c-decl.c (c_decode_option): Likewise.
18171 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18173 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18174 * gcc.c (default_compilers): If -fshort-wchar,
18175 override __WCHAR_TYPE__.
18176 * tm.texi (C Dialect Options): Add -fshort-wchar.
18178 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18179 symbol for a variable.
18181 * cpplib.h (CPP_PREPROCESSED): New macro.
18182 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18183 we're seeing this input for a second time.
18185 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18187 * emit-rtl.c (init_emit_once): Initialize modes first.
18189 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18191 * config/i386/i386.c (pic_label_name): Change to char pointer.
18192 (global_offset_table): New variable.
18193 (load_pic_register): Fill global_offset_table if it hasn't
18194 already been done. Allocate pic_label_name dynamically.
18195 * ggc.h (empty_string): New variable.
18196 * ggc-simple.c (empty_string): Likewise.
18197 (init_ggc): Allocate empty_string and add as root.
18198 * stmt.c (digit_strings): New variable.
18199 (init_stmt): Add last_block_end_note as root. Allocate and
18200 initialize digit_strings.
18201 (expand_asm_operands): Use empty_string instead of string
18202 constant. Use digit_strings instead of string constants.
18203 * profile.c (init_arc_profiler): Allocate string with
18204 ggc_alloc_string instead of xmalloc.
18205 (output_func_start_profiler): Likewise.
18206 * c-typeck.c (digest_init): Check if init is error_mark_node.
18208 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18209 Richard Henderson <rth@cygnus.com>
18211 * ggc-page.c: New file.
18212 * Makefile.in (ggc-page.o): New.
18214 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18216 * invoke.texi: Document -fdelete-null-pointer-checks
18217 * toplev.c (flag_delete_null_pointer_checks): New.
18218 (f_options): Add entry for -fdelete-null-pointer-checks.
18219 (rest_of_compilation): Conditionalize null pointer check
18220 elimination on flag_delete_null_pointer_checks.
18221 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18223 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18225 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18226 copyright notice and special exception to GPL.
18228 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18230 * abi64.h (mips_function_value): Add prototype arguments.
18232 * mips-protos.h: New file with mips prototypes.
18234 * mips.c: Include "tm_p.h".
18235 (mktemp, lookup_name): Add prototype arguments.
18236 (extern_list, string_constant, mips_fill_delay_slot,
18237 mips_output_external, mips_output_external_libcall,
18238 mips_output_filename, mips_declare_object, function_prologue,
18239 mips_expand_prologue, function_epilogue, mips16_constant,
18240 build_mips16_function_stub, mips_output_conditional_branch):
18242 (mips_va_start): Remove unused variable `u'.
18243 (mips_va_arg): Cast value to unsigned when comparing against one.
18245 (save_restore_insns, mips_expand_prologue): Add missing arg in
18246 call to `large_int'.
18248 * mips.h: Move prototypes to mips-protos.h.
18249 (data_section, memory_address_p, rdata_section,
18250 readonly_data_section, simple_epilogue_p, text_section): Delete
18251 prototypes delcared elsewhere.
18252 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18254 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18256 * mips.md: Delete extra args in call to `mips_move_2words'.
18258 * xm-iris6.h (alloca): Add prototype argument.
18260 * genpeep.c: Include "tm_p.h" in generated output file.
18262 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18264 * basic-block.h (find_edge_index): Change parameters.
18265 * flow.c (verify_edge_list): Pass basic_block parameters to
18266 find_edge_index instead of integers.
18268 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18270 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18273 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18275 * gcc.1: Fix a formatting error.
18277 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18279 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18280 i786, mn10200, mn10300, pdp11, v850.
18282 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18284 * libgcc2.c (num_digits): Add prototype with
18285 __attribute__((const)).
18286 (__terminate): Add prototype.
18288 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18290 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18292 * alpha/alpha.c (print_operand): Fix type of `code'.
18293 (alpha_output_filename): Constify.
18294 * alpha/alpha.h: Move all function declarations ...
18295 * alpha/alpha-protos.h: ... here. New file.
18296 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18297 (SECTION_FUNCTION_TEMPLATE): Likewise.
18299 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18301 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18302 * expr.c (expand_expr): Likewise.
18303 (do_jump): Likewise.
18304 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18305 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18307 (enum can_compare_purpose): New.
18308 (can_compare_p): Adjust prototype.
18309 (prepare_cmp_insn, prepare_operand): Declare.
18310 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18311 * optabs.c (cmp_available_p): Deleted.
18312 (expand_abs): Pass ccp_jump to can_compare_p.
18313 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18314 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18315 Call can_compare_p rather than cmp_available_p.
18316 (prepare_operand): No longer static.
18317 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18318 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18319 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18320 sequence to use emit_cmp_and_jump_insns.
18321 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18323 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18325 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18326 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18327 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18328 (plus (reg) (const_int 0))
18329 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18331 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18333 * rs6000.c (expand_block_move): DImode loads and stores require
18334 word-aligned displacements. Increment address registers with
18335 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18337 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18339 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18340 is no name for the base type, rather than segfault. If we are
18341 writing out a complex integer type, use DW_ATE_lo_user.
18343 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18344 in one word or less (complex char, complex short, or on 64 bit
18345 systems complex float) to/from a hard register, copy it through
18346 memory instead of dying in gen_{real,imag}part. If we have a
18347 short complex type, prevent inlining since it allocates stack
18350 * tree.c (build_complex_type): If we are writing dwarf2 output,
18351 generate a name for complex integer types.
18353 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18355 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18356 * flow.c (remove_edge): Remove extra whitespace.
18357 (remove_fake_edges): Fix comment.
18358 (add_noreturn_fake_exit_edges): Use the correct name.
18360 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18362 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18363 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18364 (clean): Depend on INTL_CLEAN.
18365 (maintainer-clean): Adjust.
18367 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18369 * configure.in (AC_PREREQ): Bump to 2.13.
18370 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18372 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18374 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18376 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18378 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18379 (HAVE_STRINGIZE): Define.
18381 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18383 * c-parse.in: save and restore warn_pointer_arith on __extension__
18384 along with pedantic.
18385 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18386 Set the type of extension to itype rather than $<itype>1 kludge.
18387 * extend.texi (Alternate Keywords): Adjust documentation.
18388 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18390 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18392 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18393 most assembler templates.
18395 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18396 FP loads and stores.
18397 (following_call): Always return zero for the PA8000.
18398 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18399 FP loads and stores.
18400 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18402 * pa.h (BRANCH_COST): Define.
18404 * pa.md (return, return_internal): Use bve for PA2.0.
18406 * pa.md (fused multiply): Add variants which reduce height for the
18407 fused multiply, but which still generate 2 insns.
18408 (fnegabs): Similarly.
18410 * pa.md (subsi3): Turn into an expander. Create two anonymous
18411 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18412 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18414 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18416 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18418 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18419 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18421 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18424 * flow.c (record_active_eh_regions): Terminate loop after finding
18425 the last insn in the last basic block.
18427 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18429 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18431 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18433 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18435 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18437 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18438 splitting to not use output template.
18440 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18442 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18443 * config/c4x/c4x.c (c4x_va_start): New function.
18445 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18447 * genrecog.c (not_both_true): Handle correctly cases when called for
18448 tests with different positions in the insn.
18450 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18452 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18454 * system.h (HOST_PTR_PRINTF): ... to here.
18456 * mips-tfile.c: Don't include machmode.h.
18458 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18459 (mips-tfile.o): Don't depend on machmode.h.
18461 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18463 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18464 avoid conflicts with typedef struct `region' at the top level scope.
18466 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18468 * basic-block.h (basic_block): Add eh_beg, eh_end.
18469 * flow.c (entry_exit_blocks): Update.
18470 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18471 Call new functions.
18472 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18473 lists.c functions to allocate insn lists.
18474 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18476 (make_eh_edge): ... here. New.
18477 (move_stray_eh_region_notes): New.
18478 (record_active_eh_regions): New.
18479 (delete_unreachable_blocks): Split out block merging ...
18480 (try_merge_blocks): ... here. New.
18481 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18482 Dump debugging data.
18483 (merge_blocks_move_successor_nojumps): Likewise.
18484 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18486 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18488 * extend.texi (Bound member functions): Document unbound pmf
18491 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18493 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18494 has the EXIT_BLOCK as a dest.
18496 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18498 * flow.c (remove_edge): New function to remove an edge from the
18500 (remove_fake_successors): New function to remove fake successor edges.
18501 (remove_fake_edges): New function to remove all fake edges from the
18503 (add_fake_exit_edges): New function to add fake edges from all blocks
18504 with no successors to the exit block.
18505 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18506 prototypes for new functions.
18508 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18510 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18511 Use Pmode to determine whether to output .dword or .word.
18513 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18515 * tree.c (built_in_filename): New variable.
18516 (BUILT_IN_FILENAME): New macro.
18517 (init_tree_codes): Allocate built_in_filename.
18518 (make_node): Use built_in_filename instead of string constant.
18520 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18522 * configure.in: Add fr30 target.
18523 * configure: Regenerate.
18524 * config/fr30: New directory.
18525 * config/fr30/crti.asm: New file.
18526 * config/fr30/fr30.c: New file.
18527 * config/fr30/crtn.asm: New file.
18528 * config/fr30/fr30.h: New file.
18529 * config/fr30/fr30.md: New file.
18530 * config/fr30/lib1funcs.asm: New file.
18531 * config/fr30/t-fr30: New file.
18532 * config/fr30/xm-fr30.h: New file.
18534 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18536 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18537 BARRIER at the end of the successor, not the BARRIER before
18540 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18542 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18544 * stmt.c (any_pending_cleanups): Don't crash when
18545 current_function->stmt is unset.
18547 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18549 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18550 other initializations that may use it for relative offsets.
18552 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18554 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18555 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18556 * config/i386/sol2dbg.h: Removed.
18557 * config/i386/sol2gas.h: New file, to enable gas work-around.
18558 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18559 Don't use sol2dbg.h.
18560 * configure: Rebuilt.
18562 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18564 * invoke.texi (-fthis-is-variable): Remove documentation.
18566 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18568 * basic-block.h (compute_bb_for_insn): Declare.
18569 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18570 to use; set size of basic_block_for_insn directly.
18571 (find_basic_blocks): Update.
18573 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18575 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18577 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18579 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18580 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18582 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18584 * c-decl.c (c_decode_option): Extend comment.
18586 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18588 * toplev.c (progname): Make 'const char *'
18589 (flag_print_mem): Move out of main.
18590 (version_flag): Move out of main.
18591 (filename): Move out of main.
18592 (debug_args): Remove g prefix from options.
18593 (documented_lang_options): Remove cpplib specific options.
18594 (display_help): Add g prefix to debug options.
18595 (check_lang_option): Delete this function.
18596 (decode_d_option): New function: Decode -d... option.
18597 (decode_f_option): New function: Decode -f... option.
18598 (decode_W_option): New function: Decode -W... option.
18599 (decode_g_option): New function: Decode -g... option.
18600 (independent_decode_option): New function: Decode a language
18601 independent command line option.
18602 (main): Invoke lang_decode_option and then
18603 independent_decode_option on each command line option in
18606 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18608 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18609 * fold-const.c (fold_range_test): Do not try to fold the range
18610 test if the rhs or lhs has side effects.
18612 * basic-block.h (compute_flow_dominators): Declare.
18614 * gcse.c (alloc_code_hoist_mem): New function.
18615 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18616 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18617 (hoist_code, one_code_hoisting_pass): Likewise.
18618 (gcse_main): If optimizing for size, then hoist expressions
18619 computed in multiple dominated basic blocks.
18621 * gcse.c (invalid_nonnull_info): New function.
18622 (delete_null_pointer_checks): Likewise.
18623 * rtl.h (delete_null_pointer_checks): Declare.
18624 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18626 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18627 (merge-blocks_move_successor_nojumps): Likewise.
18628 (merge_blocks): Allow merging of some blocks, even if it requires
18629 physical movement of the blocks, but not if it requires new jumps.
18631 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18632 Callers and prototype changed.
18633 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18635 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18637 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18638 -YP when both -p and -pg are present. From i386/sol2.h.
18640 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18642 * Makefile.in (distclean): Delete tm_p.h.
18643 * configure.in: Create a new file, "tm_p.h", from a list in
18644 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18645 "i386/i386-protos.h".
18647 * alias.c: Include "tm_p.h".
18648 * c-typeck.c: Likewise.
18649 * calls.c: Likewise.
18651 * emit-rtl.c: Likewise.
18652 * explow.c: Likewise.
18653 * expmed.c: Likewise.
18654 * expr.c: Likewise.
18655 * final.c: Likewise.
18656 * flow.c: Likewise.
18657 * fold-const.c: Likewise.
18658 * function.c: Likewise.
18659 * gcse.c: Likewise.
18660 * global.c: Likewise.
18661 * haifa-sched.c: Likewise.
18662 * integrate.c: Likewise.
18663 * jump.c: Likewise.
18664 * local-alloc.c: Likewise.
18665 * loop.c: Likewise.
18666 * optabs.c: Likewise.
18667 * recog.c: Likewise.
18668 * reg-stack.c: Likewise.
18669 * regclass.c: Likewise.
18670 * regmove.c: Likewise.
18671 * reload.c: Likewise.
18672 * reload1.c: Likewise.
18673 * reorg.c: Likewise.
18674 * resource.c: Likewise.
18675 * stmt.c: Likewise.
18676 * stor-layout.c: Likewise.
18677 * toplev.c: Likewise.
18678 * tree.c: Likewise.
18679 * unroll.c: Likewise.
18680 * genattrtab.c (main): Make generated file include "tm_p.h".
18681 * genemit.c (main): Likewise.
18682 * genoutput.c (main): Likewise.
18683 * genrecog.c (main): Likewise.
18685 * i386.h: Delete all prototypes.
18686 * i386.c: Include "tm_p.h".
18687 (ix86_attr_length_default): Call constant_call_address_operand
18688 with correct number of arguments.
18689 * i386-protos.h: New file.
18690 * i386.md (unnamed patterns): Call constant_call_address_operand
18691 with correct number of arguments.
18692 (exception_receiver): Call load_pic_register with correct number
18695 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18697 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18699 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18701 * rtl.h (insns_safe_to_move_p): New function.
18702 * loop.c (find_and_verify_loops): Use it.
18703 * rtlanal.c (insns_safe_to_move_p): Define it.
18705 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18707 * c-pragma.c: Include ggc.h.
18708 * Makefile.in (c-pragma.o): Update.
18710 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18712 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18713 (LIB_SPEC): Likewise.
18714 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18715 Reindent -YP/-p/-pg.
18716 Copied from config/sparc/sol2.h.
18718 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18720 * c-pragma.c (mark_align_stack): New.
18721 (init_pragma): New.
18722 * c-pragma.h (init_pragma): Declare it.
18723 * c-lex.c (init_parse): Call it.
18725 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18727 * configure.in: Pick up thread library on Solaris/x86 just
18728 like on Solaris/sparc.
18729 * configure: Rebuilt.
18731 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18733 * rtl.h (global_rtx_index): New enum.
18734 (global_rtl): Change to array of rtx.
18735 (pc_rtx, cc0_rtx): Redefine accordingly.
18736 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18737 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18738 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18739 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18740 (const_int_rtx): Change to array of rtx.
18741 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18743 * emit-rtl.c (global_rtl): Change to array of rtx.
18744 (const_int_rtx): Change to aray of rtx.
18745 (gen_rtx_CONST_INT): Redefine accordingly.
18746 (init_emit_once): Allocate and initialize global_rtl. Likewise
18747 for const_int_rtx. Add both as GC roots.
18748 * genattrtab.c (global_rtl): Update declaration.
18750 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18752 * Makefile (USER_H): Add iso646.h back.
18754 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18756 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18757 zapping the LOG_LINKS of sched_before_next_call.
18759 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18760 * pa.c (insn_refs_are_delayed): Renamed from
18761 insn_sets_and_refs_are_delayed.
18763 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18765 * functiion.h (struct function): Add x_whole_function_mode_p.
18766 (retrofit_block): Declare.
18767 * function.c (retrofit_block): New function.
18768 (identify_blocks): Add assertions. Allow an incomplete set of
18769 block notes if we're still generating code for the function.
18770 * integrate.c: Include loop.h.
18771 (expand_inline_function): Call find_loop_tree_blocks to map block
18772 notes to blocks when in whole-function mode. Use retrofit_block
18773 to insert new BLOCKs for the inlined function, rather than
18775 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18776 * Makefile.in (integrate.o): Depend on loop.h.
18778 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18780 * tree.h (warn_about_unused_variables): Declare.
18781 * stmt.c (warn_about_unused_variables): New function, split out
18783 (expand_end_bindings): Here.
18785 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18787 * stmt.c (preserve_subexpressions_p): Don't crash when
18788 current_function->stmt is unset.
18790 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18792 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18793 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18794 (expand_start_target_temps): Use it.
18795 * except.c (expand_eh_region_start_for_decl): Likewise.
18796 * expr.c (expand_expr): Likewise.
18798 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18800 * fold-const.c (operand_equal_p): Pay attention to side effects.
18802 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18804 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18805 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18807 * tlink.c (scan_linker_output): Look for keywords before accepting
18808 a mangled name in quotes.
18810 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18812 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18813 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18815 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18817 * alpha.md: Revert Thu Nov 26 change that came in through the
18818 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18819 Avoid earlyclobber when possible.
18821 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18823 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18825 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18826 Define HAVE_ON_EXIT.
18828 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18830 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18831 CTYPE_CONV in all ctype macros.
18833 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18836 * cexp.y (initialize_random_junk): Likewise.
18838 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18840 * i370.c (handle_pragma): Likewise.
18842 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18844 * v850.c (override_options): Likewise.
18846 * doprint.c (_doprnt): Likewise.
18848 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18851 * fixinc/server.c (load_data): Likewise.
18853 * fold-const.c (real_hex_to_f): Likewise.
18855 * genattr.c (write_upcase, gen_attr): Likewise.
18857 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18858 write_upcase): Likewise.
18860 * genemit.c (print_code): Likewise.
18862 * genopinit.c (gen_insn): Likewise.
18864 * genpeep.c (print_code): Likewise.
18866 * genrecog.c (print_code): Likewise.
18868 * optabs.c (init_libfuncs): Likewise.
18870 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18872 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18874 (reemit_notes): Likewise.
18876 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18878 * ggc.h (ggc_root): Move to ggc-common.c.
18880 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18881 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18882 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18883 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18884 * ggc-common.c (ggc_root): Move from ggc.h.
18885 (roots): Declare, static.
18886 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18887 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18888 null or check/set mark bit.
18889 (ggc_mark_roots): New.
18890 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18892 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18894 * m32r.c: Include toplev.h.
18895 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18896 (gen_compare): Rename swap_p to must_swap to match uses.
18897 Add default abort case.
18898 (m32r_output_function_epilogue): Remove unused variables.
18899 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18900 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18901 define to empty parameter list. Update all uses.
18902 (predicate decls): Use enum machine_mode not int.
18903 * m32r.md (movsi): Call abort, not fatal_insn.
18904 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18906 1999-09-14 Andrew Haley <aph@cygnus.com>
18908 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18909 use $0 instead of 0.
18911 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18913 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18914 computation out of loop over hard regs.
18916 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18918 * function.c (identify_blocks): Don't shadow a variable in an
18920 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18921 pushdecl, or poplevel to build up the new BLOCK tree.
18922 (expand_inline_function): Likewise.
18923 (integrate_parm_decls): Likewise.
18925 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18927 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18929 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18931 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18932 * invoke.texi: Document this change.
18934 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18936 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18938 (mark_emit_status): Renamed from mark_emit_state.
18939 * except.c (mark_eh_status): Renamed from mark_eh_state.
18940 Check not null before marking.
18941 (free_eh_status): New.
18942 * expr.c (mark_expr_status, free_expr_status): New.
18943 * function.c (free_machine_status): New.
18944 (free_after_parsing): New.
18945 (free_after_compilation): Move bits to free_after_parsing; call
18946 free_eh_status, free_expr_status; zero the marked members of the
18948 (prepare_function_start): No can_garbage_collect.
18949 Call init_eh_for_function.
18950 (expand_dummy_function_end): Free up current_function state.
18951 (mark_function_status): Renamed from mark_function_state.
18952 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18953 * function.h (struct function): No can_garbage_collect.
18954 (free_machine_status, free_after_parsing): Declare.
18955 (free_eh_status, free_expr_status): Declare.
18956 * ggc.h (mark_expr_status): Declare.
18957 * stmt.c (free_stmt_status): Free the struct.
18958 (mark_stmt_status): Renamed from mark_stmt_state.
18959 (init_stmt): Don't call init_eh.
18960 (init_stmt_for_function): Don't call init_eh_for_function.
18961 * toplev.c (compile_file): Call init_eh.
18962 (rest_of_compilation): Free basic block info before ggc_collect.
18963 Call free_after_parsing; conditionally call free_after_compilation.
18964 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18965 Check not null before marking.
18966 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18968 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18970 * c-lex.c (yylex): Initialize warn.
18972 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18974 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18975 register when performing secondary reloads for the SAR register.
18977 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18979 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18980 (NOTE_BLOCK): New macro.
18981 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18982 * function.h (identify_blocks): Change prototype.
18983 * function.c (identify_blocks): Simplify.
18984 (reorder_blocks): Likewise.
18985 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18986 NOTE_INSN_BLOCK_{BEG,END}.
18987 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18988 the list of saved notes if the note isn't a
18989 NOTE_INSN_BLOCK_{BEG,END}.
18990 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18992 (reemit_notes): Adjust recreation of notes to reflect new saved
18994 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18995 printing a block note.
18996 * stmt.c (block_vector): Remove.
18997 (find_loop_tree_blocks): Simplify.
18998 (unroll_block_trees): Likewise.
18999 * tree.h (reorder_block): Change prototype.
19001 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19003 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19004 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19005 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19006 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19007 (atexit, exit): Simplify.
19008 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19009 * config/lots: Remove defns of HAVE_ATEXIT.
19011 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19013 * calls.c (precompute_arguments): Fix typo in comment.
19014 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19017 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19019 * dsp16xx.c (override_options): Fix typos in GC root registration.
19021 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19023 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19024 from config/svr4.h.
19025 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19026 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19027 (CC1_SPEC): Likewise.
19029 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19031 * genattr.c (main): Add extern prototype. Call return, not exit.
19032 * genattrtab.c (main): Likewise.
19033 * gencheck.c (main): Likewise.
19034 * gencodes.c (main): Likewise.
19035 * genconfig.c (main): Likewise.
19036 * genemit.c (main): Likewise.
19037 * genextract.c (main): Likewise.
19038 * genflags.c (main): Likewise.
19039 * gengenrtl.c (main): Likewise.
19040 * genopinit.c (main): Likewise.
19041 * genoutput.c (main): Likewise.
19042 * genpeep.c (main): Likewise.
19043 * genrecog.c (main): Likewise.
19045 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19046 * genattrtab.c (get_insn_name): Likewise.
19047 * gencodes.c (get_insn_name): Likewise.
19048 * genconfig.c (get_insn_name): Likewise.
19049 * genemit.c (get_insn_name): Likewise.
19050 * genextract.c (get_insn_name): Likewise.
19051 * genflags.c (get_insn_name): Likewise.
19052 * genopinit.c (get_insn_name): Likewise.
19053 * genpeep.c (get_insn_name): Likewise.
19055 * gencheck.c (usage): Add static prototype.
19056 * genextract.c (print_path): Constify a char*.
19057 * genopinit.c (optabs): Likewise.
19058 * genoutput.c (operand_data, data, output_predicate_decls,
19059 compare_operands): Likewise.
19060 * genrecog.c (write_tree): Add default case in switch.
19062 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19064 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19066 * print-rtl.c (get_insn_name): Remove prototype.
19068 * toplev.h (progname): Declare const.
19070 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19071 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19072 dump_sched_info, dump_local_alloc, regset_release_memory,
19073 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19074 error_with_file_and_line, error_with_decl, error_for_asm, error,
19075 fatal, warning_with_file_and_line, warning_with_decl, warning,
19076 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19077 Remove redundant prototypes.
19079 (notice, check_lang_option, report_file_and_line, vnotice,
19080 mark_file_stack): Add static prototype.
19081 (set_fatal_function): Add prototype.
19082 (vnotice, report_file_and_line, set_fatal_function,
19083 check_lang_option): Constify a char*.
19084 (main): Prototype. Call return, not exit.
19086 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19088 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19090 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19092 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19094 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19096 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19098 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19099 behave as if it's zero in all cases.
19100 (expand_function_start): Adjust call to assign_parms.
19101 * tree.h (assign_parms): Adjust prototype.
19102 * objc/objc-act.c (hack_method_prototype): Adjust call to
19105 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19107 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19108 arg_pointer_rtx fixed if the argument pointer register is
19110 (NONZERO_BASE_PLUS_P): Likewise.
19112 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19114 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19115 match_insn2 to match_insn.
19116 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19118 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19120 * Makefile.in (USER_H): Remove va-foo.h.
19122 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19123 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19124 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19125 va-spur.h,va-v850.h}: Remove.
19127 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19129 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19130 (in_return_delay): Use it instead of match_insn.
19132 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19134 * config/alpha/va_list.h (va-alpha.h): Do not include.
19135 (__gnuc_va_list): Typedef as in varargs.h.
19137 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19139 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19140 DECL_LIVE_RANGE_RTL.
19142 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19144 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19145 not NOTE_BLOCK_NUMBER.
19146 (expand_eh_region_end): Likewise.
19147 (find_exception_handler_labels): Likewise.
19148 (scan_region): Likewise.
19149 (exception_optimize): Likewise.
19150 (update_rethrow_references): Likewise.
19151 (set_insn_eh_region): Likewise.
19152 * final.c (final_scan_insn): Likewise.
19153 * flow.c (make_edges): Likewise.
19154 * integrate.c (expand_inline_function): Likewise.
19155 * print-rtl.c (print_rtx): Likewise.
19157 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19159 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19160 terms of builtin functions and types.
19162 * mips.c (mips_build_va_list): New.
19163 (mips_va_start, mips_va_arg): New.
19164 * mips.h (BUILD_VA_LIST_TYPE): New.
19165 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19167 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19168 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19169 * sh.h (BUILD_VA_LIST_TYPE): New.
19170 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19172 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19174 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19175 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19176 (struct insn_data): Likewise with n_operands, n_dups,
19177 n_alternatives, output_format.
19178 * regclass.c (scan_one_insn): Cast n_operands to int before
19179 arithmetic inside comparison.
19181 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19183 * toplev.c (compile_function): Unconditionally emit nop.
19185 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19187 * haifa-sched.c (actual_hazard): Move declaration of variable
19188 `this_cost' into the scope where it is used.
19190 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19192 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19193 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19194 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19196 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19198 * jump.c (find_insert_position): Don't declare or define unless
19199 !HAVE_conditional_arithmetic.
19200 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19202 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19204 * recog.c (offsettable_address_p): Prototype function pointer.
19205 (preprocess_constraints): Call memset, not bzero.
19207 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19208 (gcc_obstack_init): Don't declare.
19209 (fix_sizetype): Add static prototype.
19210 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19211 (tree_cons): Call memset, not bzero.
19213 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19214 definition in macro ASM_WEAKEN_LABEL.
19215 (mark_const_hash_entry): Add static prototype.
19217 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19219 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19221 * unroll.c (find_common_reg_term, subtract_reg_term,
19222 loop_find_equiv_value): Add static prototypes.
19223 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19224 (copy_loop_body): Remove unreachable break statement.
19226 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19228 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19230 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19232 Undo some changes from the gcc2 merge:
19233 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19234 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19238 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19239 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19240 initialized float-int union if the value is a NaN.
19242 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19244 * gthr-win32.h: New file.
19246 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19247 shared as a valid attribute.
19248 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19249 * extend.texi: Document `shared' variable attribute.
19251 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19253 * configure.in: Handle --enable-threads on FreeBSD.
19254 * configure: Rebuit.
19256 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19258 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19260 * configure: Rebuilt.
19262 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19263 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19264 Rosimildo DaSilva <rdasilva@connecttel.com>
19266 * configure.in (m68k-*-rtemscoff*): Added.
19267 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19268 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19269 sparc-rtems configuration.
19270 * configure.in (sparc-*-rtemself*): Added.
19271 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19272 * config/i386/rtems.h: Added comment.
19273 * config/sparc/rtemself.h: New file.
19275 * configure.in (m68k-rtemself): Added.
19276 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19277 and DWARF_DEBUGGING_INFO.
19278 * config/m68k/crti.s: New file.
19279 * config/m68k/crtn.s: New file.
19280 * config/m68k/t-crtstuff: New file.
19281 * config/m68k/rtemself.h: New file.
19283 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19284 global ctor/dtor and C++ exception handling.
19285 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19286 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19288 * config/i386/t-rtems-i386: New File.
19290 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19292 * stmt.c (expand_end_case): Return right away if the case stack is
19295 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19297 * Makefile.in (version.c): Remove rule incorrectly brought in from
19300 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19302 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19303 * msdos/top.sed: Take into account a prepended $(SHELL) to
19305 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19307 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19309 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19311 * regmove.c (fixup_match_1): Don't change an unchanging register.
19312 (stable_but_for_p): Renamed to:
19313 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19314 Changed all callers.
19316 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19318 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19319 insn from BL2 is after the insn from BL.
19321 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19323 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19324 (struct insn_data): Merge `template' and `outfun' into `output'.
19325 Add `output_format'.
19326 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19327 (struct data): Remove `outfun'; add `output_format'.
19328 (name_for_index): Remove declaration.
19329 (output_insn_data): Handle output formats.
19330 (process_template): Emit the bare array for @.
19331 (gen_expand, gen_split): Set output_format to NONE.
19332 * output.h (get_insn_template): Declare.
19333 * final.c (get_insn_template): New.
19334 (final_scan_insn): Use it.
19335 * toplev.c (compile_file): Likewise.
19337 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19338 * i860/i860.c (output_delayed_branch): Likewise.
19339 (output_delay_insn): Likewise.
19341 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19343 * rtl.c (obstack_alloc_rtx): Removed.
19345 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19347 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19349 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19351 * i386.c (call_insn_operand): Reject const_int.
19352 (expander_call_insn_operand): Use call_insn_operand.
19354 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19356 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19358 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19360 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19361 Use DImode operation.
19363 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19365 * gcc.c: Include sys/resource.h.
19366 (report_times): New flag.
19367 (execute): If report_times is set, calculate and report the
19368 CPU time consumed by each subprocess.
19370 (rus, prus): New globals.
19371 (option_map): Add --time.
19372 (display_help): Document -time.
19373 (process_command): Set report_times if -time is given.
19374 Turn off -pipe if -time is given.
19376 * invoke.texi: Document new option -time.
19378 * configure.in: Check for getrusage. Check if we have to
19379 prototype getrusage.
19380 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19381 * configure: Regenerate.
19382 * config.in: Regenerate.
19384 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19386 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19389 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19391 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19392 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19393 (nan): Return _thenan_sf or _thenan_df as appropriate.
19394 (L_thenan_sf): Define _thenan_sf.
19395 (L_thenan_df): Define _thenan_df.
19397 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19398 (DPBIT_FUNCS): Add _thenan_df.
19400 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19402 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19405 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19407 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19410 (lang_specific_driver): Don't take a function pointer parameter.
19411 All callers changed.
19413 * gcc.c: Include gcc.h.
19414 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19415 lang_specific_extra_outfiles, fatal): Don't declare.
19416 (multilib_defaults_raw): Constify.
19417 (read_specs): Call memset, rather than bzero.
19418 (main): Call return, not exit.
19419 (lookup_compiler): Call memcpy, not bcopy.
19420 (fatal): Make extern.
19422 * cppspec.c: Include gcc.h.
19423 (lang_specific_driver): Initialize variable `quote'. Constify a
19424 char*. All calls to the function pointer parameter now
19425 explicitly call `fatal'.
19427 * gccspec.c (lang_specific_driver): Include gcc.h.
19429 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19431 * arm.c (note_invalid_constants): Use recog_data.operand_type
19434 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19436 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19439 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19440 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19441 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19442 reload_secondary_in_reload, reload_secondary_out_reload,
19443 reload_secondary_in_icode, reload_secondary_out_icode,
19444 reload_reg_rtx, reload_when_needed): Delete declarations.
19445 (struct reload): New structure.
19446 (rld): Declare new array.
19447 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19448 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19449 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19450 reload_secondary_in_reload, reload_secondary_out_reload,
19451 reload_secondary_in_icode, reload_secondary_out_icode,
19452 reload_reg_rtx, reload_when_needed): Delete definitions.
19454 (whole file): Replace uses of the deleted arrays with uses of rld.
19455 * reload1.c (whole file): Replace uses of the deleted arrays with
19457 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19458 explicit loops, not with bcopy.
19460 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19462 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19463 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19464 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19465 insn_name): Delete and consolidate into new structures.
19466 (insn_operand_predicate_fn): New.
19467 (insn_output_fn): New.
19468 (insn_gen_fn): New.
19469 (struct insn_operand_data): New.
19470 (struct insn_data): New.
19472 (OUT_FCN): Update for insn_data change.
19473 * builtins.c (expand_builtin_strlen): Likewise.
19474 (expand_builtin_memcmp): Likewise.
19475 * combine.c (make_extraction, simplify_comparison): Likewise.
19476 * cse.c (canon_reg, cse_insn): Likewise.
19477 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19478 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19479 (emit_store_flag): Likewise.
19480 * expr.c (convert_move, emit_block_move): Likewise.
19481 (clear_storage, emit_push_insn, expand_increment): Likewise.
19482 (do_store_flag): Likewise.
19483 * expr.h (GEN_FCN): Likewise.
19484 (insn_gen_function): Die.
19485 * final.c (final_scan_insn): Update for insn_data change.
19486 (output_asm_name): Likewise.
19487 * function.c (fixup_var_refs_1): Likewise.
19488 * loop.c (check_dbra_loop): Likewise.
19489 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19490 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19491 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19492 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19493 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19494 * regmove.c (gen_add3_insn): Likewise.
19495 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19496 (find_reloads, find_reloads_address_1): Likewise.
19497 (debug_reload_to_stream): Likewise.
19498 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19499 * stmt.c (expand_end_case): Likewise.
19500 * toplev.c (compile_file): Likewise.
19502 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19503 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19505 * print-rtl.c (insn_name_ptr): Remove declaration.
19506 (get_insn_name): Declare.
19507 (print_rtx): Use it.
19508 * genoutput.c (insn_name_ptr): Remove.
19509 (next_operand_number): New.
19510 (struct operand_data): New.
19511 (null_operand, odata, odata_end): New.
19512 (struct data): Use struct operand_data.
19513 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19514 (get_insn_name): Renamed from name_for_index.
19515 (output_prologue): Define NO_MD_PROTOTYPES.
19516 (output_predicate_decls): Break out from output_epilogue.
19517 Iterate over the operands list.
19518 (output_operand_data): Break out from output_epilogue. Emit
19519 just the operands list.
19520 (output_insn_data): Break out from output_epilogue. Emit just
19522 (output_epilogue): Remove.
19523 (output_get_insn_name): New.
19524 (constraints, op_n_alternatives, predicates, address_p): Die.
19525 (modes, strict_low, seen): Die.
19526 (scan_operands): Take new param `d' instead of writing to
19527 seven global variables.
19528 (compare_operands): New.
19529 (place_operands): New.
19530 (validate_insn_alternatives): Update for struct data change.
19531 (gen_insn): Don't zero or copy 7 global arrays. Update for
19532 scan_operands; call place_operands.
19533 (gen_peephole, gen_expand, gen_split): Likewise.
19534 (main): Update for new output routines.
19536 * genattr.c (insn_name_ptr): Remove.
19537 (get_insn_name): New function.
19538 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19539 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19540 * genrecog.c: Likewise.
19542 * alpha.md (adddi3): Make `pattern' array static.
19544 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19546 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19547 c4x_cpu_version_string): Constify char *.
19548 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19549 c4x_cpu_version_string): Likewise.
19551 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19553 * tree.c (save_tree_status): Revert 10 Sep change.
19554 (restore_tree_status): Likewise. Call obstack_free with NULL
19555 before freeing the obstack proper.
19557 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19559 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19561 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19562 surrounding context.
19564 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19566 * tree.c (type_hash_canon): Put all types in the hash-table, when
19569 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19571 * recog.h (struct recog_data, recog_data): New.
19572 (recog_foo variables): Kill.
19573 * recog.c (recog_operand, recog_operand_loc): Kill.
19574 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19575 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19576 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19577 (recog_data): Define.
19578 (extract_insn): Update all recog_foo references to use recog_data.
19579 (preprocess_constraints, constrain_operands): Likewise.
19580 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19581 * genattrtab.c (main): Likewise.
19582 * genextract.c (main): Likewise.
19583 * genoutput.c: Likewise.
19584 * genrecog.c (write_subroutine, main): Likewise.
19585 * local-alloc.c (block_alloc): Likewise.
19586 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19587 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19588 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19589 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19590 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19591 (reload_cse_simplify_operands): Likewise.
19593 * arc/arc.c (arc_final_prescan_insn): Likewise.
19594 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19595 * h8300/h8300.c (notice_update_cc): Likewise.
19596 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19597 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19598 * mn10200/mn10200.c (notice_update_cc): Likewise.
19599 * mn10300/mn10300.c (notice_update_cc): Likewise.
19600 * romp/romp.c (update_cc): Likewise.
19601 * sparc/sparc.c (check_pic): Likewise.
19602 * v850/v850.c (notice_update_cc): Likewise.
19604 * genemit.c (main): Don't declare recog_operand.
19606 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19608 * ggc.h (rtvec_def): Forward declare.
19609 (tree_node): Likewise.
19610 (ggc_root): Define.
19612 (ggc_set_mark_rtx): Add prototype.
19613 (ggc_set_mark_rtvec): Likewise.
19614 (ggc_set_mark_tree): Likewise.
19615 * ggc-simple.c (ggc_root): Don't define.
19616 (roots): Don't declare.
19617 (ggc_mark_rtx): Remove.
19618 (ggc_mark_rtvec): Likewise.
19619 (ggc_mark_tree): Likewise.
19620 (ggc_mark_varray): Likewise.
19621 (ggc_mark_tree_hash_table_entry): Likewise.
19622 (ggc_mark_tree_hash_table): Likewise.
19623 (ggc_set_mart_rtx): New function.
19624 (ggc_set_mark_rtvec): Likewise.
19625 (ggc_set_mark_tree): Likewise.
19626 (ggc_add_root): Remove.
19627 (ggc_add_rtx_root): Likewise.
19628 (ggc_remove_tree_root): Likewise.
19629 (ggc_add_string_root): Likewise.
19630 (ggc_add_tree_varray_root): Likewise.
19631 (ggc_add_tree_hash_table_root): Likewise.
19632 (ggc_del_root): Likewise.
19633 (ggc_mark_rtx_ptr): Likewise.
19634 (ggc_mark_tree_ptr): Likewise.
19635 (ggc_mark_string_ptr): Likewise.
19636 (ggc_mark_tree_varray_ptr): Likewise.
19637 (ggc_mark_tree_hash_table_ptr): Likewise.
19638 * ggc-common.c: New file.
19639 * Makefile.in (OBJS): Add ggc-common.o.
19640 (ggc-common.o): List dependencies.
19642 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19644 * cppalloc.c (xstrdup): Use memcpy.
19645 * cpperror.c (cpp_print_containing_files): Don't use
19647 * cpplib.c (conditional_skip): Set temp->lineno.
19648 (do_endif): Make error message less obscure.
19649 (if_directive_name): New function.
19650 (cpp_get_token [case EOF]): Unwind the if stack and generate
19651 error messages for each unterminated conditional in this file.
19652 (parse_string): Do not behave differently if -traditional.
19654 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19656 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19657 va_list decomposing to pointer-type.
19658 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19659 (rs6000_va_arg): Likewise.
19661 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19663 * except.c (start_dynamic_handler): Compute size using
19664 STACK_SAVEAREA_MODE.
19666 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19668 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19669 include directory headers. Don't define strrchr. Don't provide
19670 my_* replacement functions. Prefer PTR over `pointer_type'.
19671 Don't prototype system functions. Don't redefine getopt.
19673 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19674 safe_read, safe_write, save_pointers, restore_pointers,
19675 is_id_char, in_system_include_dir, directory_specified_p,
19676 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19677 find_corresponding_lparen, referenced_file_is_newer,
19678 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19679 process_aux_info_file, identify_lineno, check_source,
19680 seek_to_line, forward_to_next_token_char, output_bytes,
19681 output_string, output_up_to, other_variable_style_function,
19682 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19683 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19684 find_static_definition, connect_defs_and_decs, add_local_decl,
19685 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19686 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19687 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19688 scan_for_missed_items, edit_file, string_list_cons): Add static
19690 (standard_exec_prefix, target_machine, target_version,
19691 default_syscalls_dir, string_list, string_list_cons, find_file,
19692 do_cleaning): Constify a char*.
19693 (safe_read, safe_write): Use PTR, not a char*.
19694 (is_id_char): Take an int, not a char.
19695 (main): Add prototype. Call return, not exit.
19697 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19699 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19700 when comparing types.
19702 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19704 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19705 (strength_reduce): Release the varrays from the no-bivs early exit.
19707 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19708 the loop over the registers.
19710 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19712 (restore_tree_status): Check that instead when freeing the obstack.
19714 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19716 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19719 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19721 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19722 operand size modifiers.
19724 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19726 * c-common.c (c_common_nodes_and_builtins): Don't build
19728 * c-common.h (enum c_tree_index and related accesor macros): Remove
19729 everything now declared in tree.h.
19730 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19731 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19732 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19733 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19734 unsigned_type_node, ptr_type_node, va_list_type_node,
19735 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19736 (init_decl_processing): Call build_common_tree_nodes and
19737 build_common_tree_nodes_2 instead of building their nodes here.
19738 Don't add roots for these nodes.
19739 * stor-layout.c (size_zero_node, size_one_node): Delete.
19740 (set_sizetype): Make a new node for bitsizetype each time.
19741 * tree.c (global_trees): New variable.
19742 (init_obstacks): Add a gc root for it.
19743 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19744 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19745 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19746 (build_common_tree_nodes): New function.
19747 (fix_sizetype): New function.
19748 (build_common_tree_nodes_2): New function.
19749 * tree.h (enum tree_index): New.
19750 (global_trees): Declare.
19751 Add accessor macros for all nodes now moved to global_trees.
19752 Delete their declarations.
19754 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19756 * c-decl.c (finish_function): When processing a nested function,
19757 push and pop GC context around rest_of_compilation.
19759 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19761 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19762 Default ix86_arch to PROCESSOR_I386.
19763 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19764 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19765 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19766 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19767 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19768 (EXTRA_SPECS): Remove deleted specs.
19770 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19772 * function.c (assign_stack_local_1): Allocate from
19773 function->x_frame_offset, not frame_offset.
19775 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19777 * ggc.h (lang_cleanup_tree): Remove.
19778 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19779 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19781 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19782 TYPE_LANG_SPECIFIC when garbage collecting.
19783 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19784 (lang_cleanup_tree): Remove.
19786 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19788 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19789 * crtstuff.c: Not here.
19790 * dwarf2out.c: Or here.
19791 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19794 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19796 * function.h (free_after_compilation): Remove decl parameter.
19797 (free_varasm_status0: Likewise.
19798 (free_emit_status): Likewise.
19799 (free_stmt_status): Likewise.
19800 (free_after_compilation): Likewise.
19801 (init_lang_status): New variable.
19802 (free_lang_status): Likewise.
19803 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19804 * function.c (init_lang_status): New variable.
19805 (free_lang_status): Likewise.
19806 (push_function_context_to): Don't set function::decl here.
19807 (free_after_copmilation): Make decl parameter implicit. Call
19808 free_lang_status if defined.
19809 (prepare_function_start): Call init_lang_status if defined.
19810 (init_function_start): Set function::decl here.
19811 * profile.c (output_func_start_profiler): Don't call pushdecl
19812 until we've actually started the function.
19813 * stmt.c (free_stmt_status): Make decl parameter implicit.
19814 * toplev.c (rest_of_compilation): Don't pass decl to
19815 free_after_compilation.
19816 * varasm.c (free_varasm_status): Likewise.
19818 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19820 * except.c (call_get_eh_context): Add root when allocating static
19823 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19825 * arm.c: Include "ggc.h".
19826 (arm_add_gc_roots): New function.
19827 (arm_override_options): Call it.
19828 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19830 * arm.md (define_asm_attributes): Add a pool_range attribute.
19832 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19834 * extend.texi (Volatiles): New node.
19836 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19838 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19839 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19840 (struct ggc_any): Replace `mark' with `magic_mark'.
19841 (ggc_alloc_string): Use memcpy, not bcopy.
19842 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19843 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19844 (ggc_free_any): New.
19845 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19846 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19847 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19848 Use IS_MARKED. Use ggc_free_any.
19850 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19852 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19854 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19856 * toplev.c (main): Always init_ggc.
19858 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19860 * except.c (find_all_handler_type_matches): Free the list if
19861 we found no matches.
19863 * combine.c (SUBST): Break out to a real function do_SUBST.
19864 (SUBST_INT): Likewise.
19865 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19866 (pre_insert): Free `inserted'.
19867 * loop.c (basic_induction_var): Always set `location'.
19869 * function.c (expand_function_end): Add initial_trampoline as a root.
19870 * rtl.h (init_varasm_once): Declare.
19871 * toplev.c (compile_file): Call it.
19872 * ggc-simple.c (ggc_mark_string_ptr): New.
19873 (ggc_add_string_root): New.
19874 (ggc_collect): Disable collection avoidance temporarily.
19875 * ggc.h (ggc_add_string_root): Declare.
19876 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19877 * optabs.c (init_libfuncs): Likewise.
19878 * varasm.c (named_section): Use ggc_alloc_string.
19879 (make_function_rtl): Likewise.
19880 (make_decl_rtl): Likewise.
19881 (assemble_static_space): Likewise.
19882 (assemble_trampoline_template): Likewise.
19883 (output_constant_def): Likewise.
19884 (force_const_mem): Likewise.
19885 (mark_const_hash_entry): New.
19886 (mark_pool_sym_hash_table): New.
19887 (mark_varasm_state): Use it.
19888 (init_varasm_once): New.
19890 * expr.h (init_one_libfunc): Declare.
19891 * optabs.c (init_one_libfunc): New.
19892 (init_optabs): Use it.
19893 * config/gofast.h: Likewise.
19894 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19895 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19897 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19899 * Makefile.in (cppexp.o): Depend on cpphash.h.
19900 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19902 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19903 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19904 redefining poisoned identifiers, etc.
19905 (do_undef): Don't allow poisoned identifiers to be undefined.
19906 (do_pragma): Add #pragma poison.
19907 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19909 * cccp.c: Add T_POISON node type.
19910 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19912 (do_define): Generalise to handle poisoned definitions,
19913 redefining poisoned identifiers, etc.
19914 (do_undef): Don't allow poisoned identifiers to be undefined.
19915 (do_pragma): Add #pragma poison.
19916 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19918 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19919 * c-pragma.h: Add ps_poison state. We now always have generic
19922 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19924 * ggc.h (ggc_alloc): New function.
19925 (ggc_mark): Likewise.
19926 * ggc-simple.c (ggc_any): New structure.
19927 (ggc_status): Add anys.
19928 (n_anys_collected): New variable.
19929 (ggc_alloc): Define.
19930 (ggc_mark): Likewise.
19931 (ggc_collect): Collect the anys.
19933 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19935 * c-decl.c (mark_binding_level): Make static to match prototype.
19937 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19939 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19941 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19943 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19944 will use into account. Expand the max width to 5.
19947 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19949 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19950 for the rtx length.
19952 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19954 * alpha.md (call value patterns): Remove the result predicates.
19956 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19958 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19961 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19963 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19964 changed from extern char *, to extern PTR. Also fix typo in
19965 NEED_DECLARATION_REALLOC test.
19967 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19969 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19971 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19972 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19973 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19974 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19976 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19978 * cccp.c (pcfinclude): Likewise.
19980 * global.c (allocno_compare): Likewise.
19982 * haifa-sched.c (rank_for_schedule): Likewise.
19984 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19986 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19988 * stupid.c (stupid_reg_compare): Likewise.
19990 * tree.c (_obstack_allocated_p): Likewise.
19992 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19994 1999-09-08 Bruce Korb autogen@linuxbox.com
19996 * Makefile.in: Give the hapless gperf user a hint about
19997 why "gperf -F" fails.
19999 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20001 * lists.c: Include ggc.h.
20003 (init_EXPR_INSN_LIST_cache): Install it.
20005 * ggc-simple.c (init_ggc): Absorb the old init.
20006 (ggc_push_context): Use xcalloc.
20007 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20008 (ggc_collect): Add [rvts] tags to the collection stats.
20010 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20012 * cccp.c (main): Fix handling of -include and -imacros options.
20014 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20016 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20018 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20020 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20023 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20025 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20026 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20027 and SET_DEST. Update comment.
20029 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20031 * config/c4x/c4x.c: Include ggc.h.
20032 (c4x_add_gc_roots): New function.
20033 (c4x_override_options): Call c4x_add_gc_roots.
20035 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20037 * defaults.h (TARGET_ESC): Move ...
20038 * system.h: ... here, where Linas had it in the first place. Silly me.
20040 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20042 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20043 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20044 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20045 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20046 * defaults.h (TARGET_ESC): Add default.
20048 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20050 * configure.in: add i370-*-openedition, i370-*-mvs and
20051 i370-*-linux targets
20053 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20055 * dsp16xxx.c: Include ggc.h
20056 (override_options): Mark GC roots.
20057 * mn10200.c: Include ggc.h.
20058 (asm_file_start): Mark GC roots.
20059 * tahoe.c: Include ggc.h.
20060 (extensible_operand): Mark GC roots.
20062 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20064 * README: Add section discussing status of ELF ABI.
20065 * i370.c: Fix misc spelling mistakes.
20066 (i370_label_scan): Updated notes, exception handling.
20067 (i370_function_prolog): Simplify ELF stack handling.
20068 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20069 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20070 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20071 * i370.md: (movdi): Add notes.
20072 (floatsidf2): Use stack not rtca for scratch float area.
20073 (iorsi3): Correct operand constraints.
20074 * x-oe: Restore TAROUTOPTS which are used by pax.
20076 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20078 * rs6000.c: Include ggc.h.
20079 (rs6000_add_gc_roots): New function.
20080 (override_options): Call it.
20082 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20084 * alpha.h (alpha_compare): New.
20085 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20086 * alpha.c: Likewise for the definitions.
20087 (alpha_emit_conditional_branch): Update for alpha_compare.
20088 (alpha_emit_conditional_move): Likewise.
20089 * alpha.md (cmpdf, cmpdi): Likewise.
20090 (setcc patterns): Likewise. Zero alpha_compare after use.
20091 (sne): Optimize (x != 0) into (0U < x).
20093 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20095 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20096 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20097 (INIT_EXPANDERS): Remove.
20098 * alpha.c: Include ggc.h.
20099 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20100 (alpha_init_machine_status, alpha_mark_machine_status): New.
20101 (override_options): Install them.
20102 (struct machine_function): Moved to alpha.h.
20103 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20104 (alpha_init_expanders): Remove.
20105 (alpha_return_addr): Adjust to use current_function->machine.
20106 (alpha_ra_ever_killed): Likewise.
20107 (alpha_expand_epilogue): Likewise.
20108 * alpha.md (eh_epilogue): Likewise.
20110 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20111 Melissa O'Neill <oneill@cs.sfu.ca>
20112 Geoffrey Keating <geoffk@cygnus.com>
20114 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20115 call-used registers (call-saved registers must still be contiguous
20116 and end with r31, of course).
20118 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20120 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20121 (self_promoting_type_p): Delete.
20122 (self_promoting_args_p): Move ...
20123 * c-common.c: ... here.
20124 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20125 (simple_type_promotes_to): New.
20126 * builtins.c (lang_type_promotes_to): New.
20127 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20128 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20129 * c-common.h: ... here.
20130 (self_promoting_args_p, simple_type_promotes_to): Declare.
20131 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20132 (grokdeclarator): Likewise.
20133 * tree.h (lang_type_promotes_to): Declare.
20135 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20137 Add some machine-dependent GC roots.
20138 * sparc.c: Include ggc.h.
20139 (sparc_add_gc_roots): New function.
20140 (mark_ultrasparc_pipeline_state): Likewise.
20141 (override_options): Call sparc_add_gc_roots.
20142 * pa.c: Include ggc.h.
20143 (pa_add_gc_roots): New function.
20144 (mark_deferred_plabels): Likewise.
20145 (override_options): Call pa_add_gc_roots.
20146 * mips.c: Include ggc.h.
20147 (mips_add_gc_roots): New function.
20148 (override_options): Use it.
20150 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20152 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20154 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20155 cpp_parse_expr): Add static prototypes.
20156 (parse_charconst): Don't cast away const-ness.
20157 (token): Constify a char*.
20159 * cppfiles.c (file_name_list, include_hash, find_include_file,
20160 finclude, initialize_input_buffer): Constify a char*.
20161 (file_cleanup, find_position): Add static prototypes.
20163 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20164 collect_expansion): Add static prototypes.
20165 (cpp_install, create_definition, monthnames): Constify a char*.
20167 * cpphash.h (cpp_install): Likewise.
20169 * cppinit.c (known_suffixes, default_include,
20170 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20171 (base_name, dump_special_to_buffer, initialize_dependency_output):
20172 Add static prototypes.
20174 * cpplib.c (my_strerror): Constify a char*.
20175 (null_underflow, null_cleanup, skip_comment, copy_comment,
20176 copy_rest_of_line, handle_directive, pass_thru_directive,
20177 get_directive_token, read_line_number, cpp_print_file_and_line,
20178 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20179 v_cpp_warning_with_line, detect_if_not_defined,
20180 consider_directive_while_skipping): Add static prototypes.
20181 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20182 cpp_pedwarn_with_file_and_line): Constify a char*.
20184 * cpplib.h (cpp_options, include_hash, progname, definition,
20185 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20186 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20187 find_include_file, deps_output, include_hash): Constify a char*.
20189 * cppmain.c (progname): Constify.
20190 (main): Add prototype. Use return, not exit.
20192 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20193 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20194 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20195 check_protection): Add static prototype.
20197 (progname, recognized_macrom, recognized_extern): Constify a char*.
20198 (main): Add prototype.
20200 * gen-protos.c (progname): Constify a char*.
20202 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20204 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20205 (init_emit_once): Add more GC roots.
20206 * except.c (mark_func_eh_entry): New function.
20207 (mark_eh_node): Mark false_label and rethrow_label.
20208 (init_eh): Add more GC roots.
20209 * function.c (free_after_compilation): Take decl as a paramter.
20210 Call free_stmt_status.
20211 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20213 * function.h (free_after_compilation): Change prototype.
20214 (free_varasm_status): Likewise.
20215 (free_emit_status): Likewise.
20216 (free_stmt_status): New function.
20217 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20218 Remove, replacing with ...
20219 (ggc_status): New structure.
20220 (ggc_chain): New variable.
20221 (init_gcc): Define.
20222 (ggc_push_context): New function.
20223 (ggc_pop_context): Likewise.
20224 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20225 (ggc_alloc_rtvec): Likewise.
20226 (ggc_alloc_tree): Likewise.
20227 (ggc_alloc_string): Likewise.
20228 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20229 (ggc_mark_tree): Give language-dependent code a chance to mark
20231 (ggc_mark_tree_varray): Handle empty arrays.
20232 (ggc_collect): Adjust for use of ggc_chain. Clear
20233 bytes_alloced_since_last_gc.
20234 * ggc.h (ggc_pop_context): New function.
20235 (ggc_push_context): Likewise.
20236 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20237 * stmt.c (free_stmt_status): New function.
20238 (init_stmt_for_function): Clear last_expr_value.
20239 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20240 Conditionalize call to ggc_collect.
20241 (main): Call init_ggc.
20242 * tree.c (push_obstacks): Do the push, even when GC'ing.
20243 (push_obstacks_nochange): Likewise.
20244 (pop_obstacks): Liekwise.
20245 * varasm.c (free_varasm_status): Take decl as a parameter.
20247 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20249 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20250 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20251 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20252 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20254 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20256 * pa/x-pa-mpeix: New file for the MPE port.
20258 * pa/quadlib.asm: New file for long double support.
20260 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20261 * configure: Rebuilt.
20263 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20265 * final.c (shorten_branches): Fix last change.
20267 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20269 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20271 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20273 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20276 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20278 * c-aux-info.c (concat): Don't define.
20280 * cccp.c (my_strerror): Likewise. All callers changed to use
20282 (do_include): Call xstrdup, not xmalloc/strcpy.
20283 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20284 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20286 * collect2.c (my_strsignal): Likewise. All callers changed to use
20288 (locatelib): Call xstrdup, not xmalloc/strcpy.
20290 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20292 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20294 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20296 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20298 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20300 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20302 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20304 (find_all_handler_type_matches): Likewise. Don't check return
20306 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20307 xmalloc, not malloc.
20308 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20310 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20311 (init_spec): Call xcalloc, not xmalloc/bzero.
20312 (set_spec): Call xstrdup, not save_string.
20313 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20314 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20315 (process_command): Call xstrdup, not save_string.
20316 (main): Call xcalloc, not xmalloc/bzero.
20318 * gcov.c (xmalloc): Don't define.
20319 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20320 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20321 (output_data): Call xcalloc, not xmalloc/bzero.
20323 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20325 * mips-tdump.c (xmalloc): Don't define.
20326 (print_symbol): Call xmalloc, not malloc.
20327 (read_tfile): Call xcalloc, not calloc.
20329 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20330 Don't define. All callers of xfree/my_strsignal changed to use
20331 free/strsignal instead.
20332 (allocate_cluster): Call xcalloc, not calloc.
20334 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20335 Fix memory leak, free allocated memory.
20337 * prefix.c (translate_name): Call xstrdup, not save_string.
20338 (update_path): Likewise.
20340 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20342 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20343 Don't define. Callers of xfree/savestring2 changed to use
20344 free/concat instead.
20346 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20347 (init_elim_table): Likewise.
20349 * resource.c (init_resource_info): Likewise.
20351 * stupid.c (stupid_life_analysis): Likewise.
20353 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20354 (open_dump_file): Call concat, not xmalloc/strcpy/...
20355 (clean_dump_file): Likewise.
20356 (compile_file): Call xstrdup, not xmalloc/strcpy.
20358 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20360 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20361 * v850.c (v850_va_arg): New.
20363 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20365 * haifa-sched.c: Tidy comments.
20367 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20369 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20370 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20371 $(out_object_file)): Depend on ggc.h.
20372 * c-common.c: Include "ggc.h".
20373 (combine_strings): If doing GC, use ggc_alloc_string.
20374 * c-decl.c: Include "ggc.h".
20375 (ggc_p): Define with value 0.
20376 (mark_binding_level): New function.
20377 (init_decl_processing): Add GC roots.
20378 (mark_c_function_context): New function.
20379 (lang_mark_false_label_stack): New function.
20380 (lang_mark_tree): New function.
20381 (lang_cleanup_tree): New function.
20382 * c-lang.c: Include "ggc.h".
20383 (lang_init): Call c_parse_init.
20384 * c-lex.c: Include "ggc.h".
20385 (check_linenum): If doing GC, don't copy filenames to permanent
20387 * c-parse.in: Include "ggc.h".
20388 (c_parse_init): New function.
20389 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20390 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20392 * except.c (mark_eh_state): Mark more state.
20393 * function.c (mark_function_state): Likewise.
20394 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20395 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20396 * toplev.c (mark_file_stack): New function.
20397 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20398 (main): Add root for input_file_stack.
20400 * i386.c: Include "ggc.h".
20401 (ix86_mark_machine_status): New function.
20402 (override_options): Set mark_machine_status.
20404 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20406 * tree.c (copy_node): Copy node contents also if doing GC.
20408 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20410 * collect2.c (scan_libraries): Fix double-thinko :-).
20412 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20414 * collect2.c (scan_libraries): Fix thinko.
20416 * cse.c (delete_trivially_dead_insns): Do not skip the last
20417 insn if it is a real insn.
20419 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20421 * Makefile.in (ggc-simple.o): Depend on hash.h.
20422 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20423 (ggc_mark_tree_varray): Likewise.
20424 (ggc_mark_tree_hash_table): Likewise.
20425 * ggc-simple.c: Include hash.h.
20426 (ggc_mark_tree_hash_table_ptr): New function.
20427 (ggc_mark_tree_hash_table_entry): Likewise.
20428 (ggc_mark_tree_hash_table): Likewise.
20429 (ggc_add_tree_hash_table_root): Likewise.
20430 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20431 rtx, when defining fields.
20433 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20435 * profile.c (output_func_start_profiler): Remove apparently
20436 nonsensical call to start_sequence.
20438 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20440 * clipper/clipper.c (clipper_va_start): Fix typos.
20442 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20443 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20444 (spur_va_arg): New stub.
20446 * configure.in: Comment out pyramid.
20448 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20450 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20451 don't conflict with the bits that win32, cygwin, and dgux
20454 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20455 Bernd Schmidt <bernds@cygnus.co.uk>
20457 * integrate.c (function_cannot_inline_p): Do not inline
20458 functions with forced labels.
20460 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20461 Bernd Schmidt <bernds@cygnus.co.uk>
20462 Mark Mitchell <mark@codesourcery.com>
20464 * Makefile.in (ggc-simple.o): Depend on varray.h.
20465 (rtl.o): Depend on ggc.h.
20466 (genattrtab.o): Depend on ggc.h.
20467 (print-tree.o): Likewise.
20468 (fold-const.o): Likewise.
20469 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20470 (make_insn_raw): Don't cache insns when GC'ing.
20471 (emit_insn_before): Likewise.
20472 (emit_insn_after): Likewise.
20473 (emit_insn): Likewise.
20474 (start_sequence): Use xmalloc to allocate the sequence_stack.
20475 (end_sequence): Add free to free it.
20476 (gen_sequence): Don't cache insns when GC'ing.
20477 (clear_emit_caches): Don't use sequence_element_free_list.
20478 (init_emit): Use xcalloc, not xmalloc+bzero.
20479 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20480 * function.c (pop_function_context_from): Use free to free the
20481 fixup_var_refs_queue.
20482 (put_reg_into_stack): Allocate it with xmalloc.
20483 * genattrtab.c: Include ggc.h.
20484 (operate_exp): Don't use obstack_free when GC'ing.
20485 (simplify_cond): Likewise.
20486 (simplify_text_exp): Likewise.
20487 (optimize_attrs): Likewise.
20488 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20490 (gencode): Generate a #include for ggc.h.
20491 * ggc-callbacks.c (ggc_p): Define it to zero.
20492 * ggc-none.c (ggc_p): Likewise.
20493 * ggc-simple.c: Include varray.h.
20494 (ggc_mark_tree_varray): New function.
20495 (ggc_add_tree_varray_root): Likewise.
20496 (ggc_mark_tree_varray_ptr): Likewise.
20497 * ggc.h (ggc_p): Declare.
20498 (varray_head_tag): Likewise.
20499 (ggc_add_tree_varray_root): Declare.
20500 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20501 inconsistencies when GC'ing.
20502 * rtl.c: Include ggc.h.
20503 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20504 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20505 (rtx_free): Don't call obstack_free when GC'ing.
20506 * toplev.c (rest_of_compilation): Call ggc_collect after every
20508 * tree.c (push_obstacks): Do nothing, if GC'ing.
20509 (pop_obstacks_nochange): Likewise.
20510 (pop_obstacks): Likewise.
20511 (make_node): Use ggc_alloc_tree when GC'ing.
20512 (copy_node): Likewise.
20513 (get_identifier): Use ggc_alloc_string when GC'ing.
20514 (build_string): Likewise.
20515 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20516 (tree_cons): Likewise.
20517 (build1): Likewise.
20518 (type_hash_canon): Don't call obstack_free when GC'ing.
20520 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20522 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20523 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20525 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20526 Bernd Schmidt <bernds@cygnus.co.uk>
20527 Mark Mitchell <mark@codesourcery.com>
20529 * Makefile.in (stor-layout.o): Depend on ggc.h.
20530 (expr.o): Depend on ggc.h.
20531 (profile.o): Depend on ggc.h.
20532 (stor-layout.o): Depend on ggc.h.
20533 * emit-rtl.c (init_emit_once): Add gc roots.
20534 * expr.c: Include ggc.h.
20535 (emit_block_move): Add gc roots.
20536 (clear_storage): Likewise.
20537 * expr.h (init_stor_layout_once): New function.
20538 * profile.c: Include ggc.h.
20539 (init_arc_profiler): profiler_label is a root.
20540 * scan.c (make_sstring_space): Trust xrealloc to function
20541 correctly with first parameter NULL.
20542 * stor-layout.c: Include ggc.h.
20543 (set_sizetype): Add gc root.
20544 (init_stor_layout_once): New function.
20545 * toplev.c (compile_file): Call it.
20547 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20548 Bernd Schmidt <bernds@cygnus.co.uk>
20549 Mark Mitchell <mark@codesourcery.com>
20551 * Makefile.in (tree.o): Depend on ggc.h.
20552 (varasm.o): Likewise.
20553 (function.o): Likewise.
20554 (stmt.o): Likewise.
20555 (except.o): Likewise.
20556 (optabs.o): Likewise.
20557 (emit-rtl.o): Likewise.
20558 * emit-rtl.c: Include ggc.h.
20559 (sequence_element_free_list): Remove, and all references.
20560 (mark_sequence): New functions.
20561 (mark_emit_state): New function.
20562 * except.c: Include ggc.h.
20563 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20564 (mark_tree_label_node): New functions.
20565 (mark_eh_state): New function.
20566 * function.c: Include ggc.h.
20567 (mark_temp_slot, mark_function_chain): New functions.
20568 (mark_function_state): New function.
20569 (init_function_once): New function.
20570 * function.h (init_function_once): New function.
20571 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20572 * ggc.h (label_node): Declare.
20573 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20574 (lang_mark_false_label_stack): New function.
20575 (mark_temp_slot): Remove declaration.
20576 (mark_function_chain): Likewise.
20577 (mark_eh_state): Adjust prototype.
20578 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20580 * optabs.c: Include ggc.h.
20581 (mark_optab): New function.
20582 (init_optabs): Add gc roots.
20583 * stmt.c: Include ggc.h.
20584 (mark_cond_nesting, mark_loop_nesting): New functions.
20585 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20586 (mark_stmt_state): New function.
20587 * toplev.c (compile_file): Call init_function_once.
20588 * tree.c: Include ggc.h.
20589 (type_hash): Move declaration earlier in file.
20590 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20591 (init_obstacks): Add gc roots.
20592 (mark_type_hash): New function.
20593 * varasm.c: Include ggc.h.
20594 (mark_pool_constant): New function.
20595 (mark_varasm_state): New function.
20597 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20599 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20601 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20603 * c-decl.c (struct language_function): Renamed from struct c_function.
20605 (c_function_chain): Delete.
20606 (push_c_function_context): New arg F. Don't warn about nested
20607 functions here. Fill LANGUAGE elt of F. Delete code to update
20608 c_function_chain. Don't call push_function_context.
20609 (pop_c_function_context): New arg F. Restore from there instead of
20610 from c_function_chain. Don't call pop_function_context. Clear out
20611 LANGUAGE field of F when done.
20612 * c-lang.c: Include "function.h"
20613 (lang_init): Initialize save_lang_status and restore_lang_status.
20614 * c-parse.in (nested_function, nested_function_notype): Warn about
20615 nested functions. Call push_function_context/pop_function_context
20616 instead of the _c_ variants.
20617 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20619 * Makefile.in (c-lang.o): Update dependencies.
20621 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20622 regno_pointer_flag, regno_pointer_align.
20623 (gen_reg_rtx): Use xrealloc to enlarge them.
20624 (free_emit_status): New function.
20625 * function.c (mark_machine_status, mark_lang_status): New variables.
20626 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20627 in some bits from assign_stack_local. All callers changed to use new
20629 (assign_stack_local): Just call assign_stack_local_1.
20630 (free_after_compilation): New function.
20631 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20632 (trampoline_address): Likewise.
20633 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20634 (prepare_function_start): Explicitly clear some more variables.
20635 * function.h (struct function): New elt can_garbage_collect.
20636 (mark_machine_status, mark_lang_status): Declare variables.
20637 (free_after_compilation, free_emit_status, free_varasm_status,
20638 init_varasm_status): Declare functions.
20639 * toplev.c (rest_of_compilation): Call free_after_compilation when
20640 done with the current function.
20641 * varasm.c (free_varasm_status): New function.
20643 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20645 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20646 (EXPAND_BUILTIN_VA_ARG): Define.
20647 * sparc.c (sparc_va_start): New.
20648 (sparc_va_arg): New.
20650 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20652 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20654 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20656 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20658 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20660 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20661 (OBJS): Add $(GGC).
20662 (ggc-callbacks.o): New target.
20663 * ggc-callbacks.c: New file.
20665 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20667 * expr.h: Collapse individual optab and libfunc vars to arrays.
20668 (optab_index, libfunc_index): New enumerations.
20669 (optab_table, libfunc_table): New arrays.
20670 Add accessor macros for both.
20672 * optabs.c (optab_table, libfunc_table): New.
20673 Delete declarations for individual optab and libfunc vars.
20675 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20677 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20679 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20681 * Makefile.in (GGC, GGC_LIB): New.
20682 (HOST_RTL): Include ggc-none.o.
20683 (ggc-simple.o): New target.
20684 (ggc-none.o): Likewise.
20685 * tree.h (tree_common): Add gc_mark.
20686 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20687 (struct rtvec_def): Add gc_mark.
20688 * emit-rtl.c (global_rtl): Update static initializers to contain
20689 enough initializers.
20690 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20691 * toplev.c (gc_time): New variable.
20692 (all_time): New variable.
20693 (compile_file): Print gc time.
20694 (print_time): Calculate percentage of the whole.
20696 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20698 Change obstack memory management and varasm constant pool handling so
20699 that nested functions are treated like any other functions.
20700 * function.c (init_machine_status): New variable.
20701 (push_function_context_to): Set contains_functions for the outer
20702 function. Don't call save_varasm_status.
20703 (pop_function_context_from): Don't call restore_varasm_status. Don't
20704 set current_function_contains_functions.
20705 (prepare_function_start): Call init_varasm_status rather than
20706 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20708 * function.h (struct function) Add field varasm. Delete fields
20709 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20710 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20711 (init_machine_status): Declare.
20712 (save_varasm_status, restore_varasm_status): Delete declarations.
20713 (save_tree_status, restore_tree_status): Delete last argument.
20714 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20715 code. All callers changed.
20716 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20717 save_constants_in_decl_trees, restore_constants, save_constants,
20718 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20720 (inlining): New variable.
20721 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20722 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20724 (save_for_inline_nocopy): Don't save constants.
20725 Don't set inl_emit field in current_function.
20726 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20727 function. Set new variable inlining before
20728 calling copy_rtx_and_substitute.
20729 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20730 constant pool references if inlining is nonzero.
20731 Delete ADDRESS and (most of the) CONST cases.
20732 (output_inline_function): Save and restore current_function/
20733 current_function_decl. Delete restore_constants code. Don't call
20734 init_const_rtx_hash_table.
20735 * output.h (init_const_rtx_hash_table): Don't declare.
20736 * rtl.h (struct function): Declare.
20737 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20738 * toplev.c (rest_of_compilation): Don't treat nested functions or
20739 functions containing them specially. Delete all code to deal with
20740 save_for_inline_copying.
20741 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20742 inline_obstacks): Delete variables.
20743 (save_tree_status): Lose arg CONTEXT. All callers changed.
20744 Simply allocate a new function_maybepermanent_obstack for the new
20745 function, delete all the special cases.
20746 Don't save inline_obstacks.
20747 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20748 Delete special handling for function_maybepermanent_obstack; simply
20750 Don't restore inline_obstacks.
20751 (permanent_allocation): Delete code that frees inline_obstacks.
20752 (print_inline_obstack_statistics): Delete function.
20753 (dump_tree_statistics): Don't call it.
20754 * varasm.c (struct varasm_status): New.
20755 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20756 last_pool, pool_offset, const_double_chain): Delete global
20757 variables, replace with accessor macros.
20758 (immed_double_const): Don't walk const_double_chain outside a
20759 function, but don't treat nested functions specially anymore.
20760 (immed_real_const_1): Likewise.
20761 (clear_const_double_mem): Don't treat nested functions specially.
20762 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20763 (save_varasm_status, restore_varasm_status): Delete functions.
20764 (init_varasm_status): New function.
20765 (force_const_mem): Don't treat nested functions specially.
20766 (find_pool_constant): Accept new arg F, search for constants in
20767 that function's pool rather than the current one. All callers
20769 (get_pool_constant_for_function, get_pool_mode_for_function): New
20772 * i386.c (init_386_machine_status): New function, mostly from
20773 clear_386_stack_locals.
20774 (struct machine_functions): Rename element names to avoid name
20776 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20777 macros, replacing global variables.
20778 (clear_386_stack_locals, save_386_machine_status,
20779 restore_386_machine_status): Delete functions.
20780 (override_options): Initialize init_machine_status.
20781 * i386.h (INIT_EXPANDERS): Delete macro.
20782 (save_386_machine_status, restore_386_machine_status,
20783 clear_386_stack_locals): Delete declarations.
20785 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20787 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20788 (doloop_begin): Simplify pattern and use emit_jump_insn.
20789 (doloop_end): Simplify pattern, switch operand order,
20790 and use emit_jump_insn.
20792 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20794 * function.h (struct function): Add new element LANGUAGE.
20795 (save_lang_status): Declare new variable.
20796 (restore_lang_status): Likewise.
20797 * function.c (save_lang_status): Define.
20798 (restore_lang_status): Likewise.
20799 (push_function_context_to): Call language-specific save function.
20800 (pop_function_context_from): Call language-specific restore function.
20802 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20804 * i386.md (movsf_1): Check REG_P before use of REGNO.
20805 (movdf_1): Likewise.
20806 (movxf_1): Likewise.
20807 (extendsfdf2): Likewise.
20808 (extendsfxf2): Likewise.
20809 (extenddfxf2): Likewise.
20811 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20813 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20814 constants into memory.
20815 (c4x_shiftable_constant): New function.
20816 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20817 (c4x_shiftable_constant): Declare.
20818 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20819 ashlqi3_noclobber): Add new patterns and associated splitters.
20821 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20823 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20824 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20825 * final.c (shorten_branches): Likewise.
20826 * global.c (global_alloc): Likewise.
20827 * haifa-sched.c (build_control_flow): Likewise.
20828 * stmt.c (check_for_full_enumeration_handling): Likewise.
20829 (estimate_case_costs): Likewise.
20831 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20833 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20835 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20837 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20838 (recompute_reg_usage): Likewise.
20839 * rtlanal.c (find_regno_fusage): Likewise.
20841 * rtl.c (rtl_check_failed_code1): New function.
20842 (rtl_check_failed_code2): New.
20843 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20844 (RTL_CHECKC1, RTL_CHECKC2): New.
20845 (XC*): New accessor macros.
20846 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20847 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20848 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20849 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20850 (TRAP_*, RANGE_INFO_*): Likewise.
20852 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20854 * Makefile.in (tlink.o): Don't depend on toplev.h.
20856 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20857 output_file, nm_file_name, ldd_file_name, strip_file_name,
20858 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20859 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20860 fork_execute, maybe_unlink, add_to_list,
20861 extract_init_priority, write_list, dump_list,
20862 dump_prefix_list, write_list_with_asm, write_c_file,
20863 write_c_file_stat, write_c_file_glob, scan_prog_file,
20864 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20865 ignore_library, extract_string, notice, dump_file, target_machine,
20866 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20867 read_file, print_load_command): Constify a char*.
20868 (fdopen, error, fatal, fatal_perror): Don't prototype.
20869 (my_strerror): Remove. All callers use xstrerror instead.
20870 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20871 (main): Add prototype. Constify lots of char* ptrs. Change calls
20872 to xcalloc/strcpy/strcat/... to one call to concat.
20873 (main, scan_prog_file, scan_libraries): Use an intermediate
20874 `const char **' to build an argv array.
20875 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20877 * collect2.h (collect_execute, collect_wait, dump_file,
20878 file_exists): Constify a char*.
20879 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20880 temporary_firstobj, vflag, debug): Add extern declarations.
20881 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20883 * tlink.c: Don't include toplev.h.
20884 (vflag, debug, ldout, c_file_name, temporary_obstack,
20885 permanent_obstack, temporary_firstobj): Don't declare.
20886 (tlink_execute, frob_extension, symbol_hash_lookup,
20887 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20888 recompile_files, read_repo_files, demangle_new_symbols,
20889 scan_linker_output): Constify a char*.
20890 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20891 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20893 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20895 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20896 (relative) rather than jsr (absolute) subroutine call insns.
20897 * config/m68k/m68k-coff.h: Ditto.
20899 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20901 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20902 now rework these too.
20903 (arm_reorg): If an insn can't reach the end of the current pool,
20904 ensure that we emit that pool before the insn.
20906 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20908 * tlink.c (scan_linker_output): Skip the initial underscore in
20909 a mangled name if appropriate.
20911 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20913 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20914 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20915 error_with_ivar, gen_declarator, create_builtin_decl,
20916 my_build_string, generate_descriptor_table, generate_ivars_list,
20917 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20918 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20919 dump_base_name, lang_decode_option, build_encode_expr,
20920 start_class, finish_class, encode_pointer, really_start_method,
20921 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20923 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20924 Add static prototypes.
20925 (build_objc_string_decl, build_selector_reference_decl,
20926 encode_bitfield, build_class_reference_decl): Remove unused
20927 parameter, all callers changed.
20928 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20929 (objc_printable_name): Likewise. Change second parameter to type int.
20930 (init_objc): Use memcpy, not bcopy, to avoid casts.
20932 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20934 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20935 reg notes on a deleted insn.
20936 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20938 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20940 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20942 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20944 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20947 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20949 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20950 * tm.texi (MD_ASM_CLOBBERS): Document it.
20952 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20954 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20955 * except.c (expand_rethrow): Remove unused variable.
20956 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20957 * flow.c (replace_insns): Likewise.
20958 (create_edge_list, verify_edge_list): Likewise.
20959 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20961 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20962 is special code to run.
20963 (main): Don't define operands to emit_operand.
20964 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20966 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20968 * alpha/alpha.h (normal_memory_operand): Declare.
20969 (reg_no_subreg_operand): Declare.
20970 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20972 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20974 * c-parse.in (compstmt_primary_start): New, broken out of first
20975 part of compstmt handling in primary.
20976 (primary): Use it. Add an error clause.
20977 (compstmt_nostart): Renamed from compstmt; remove all
20978 initial invocations of compstmt_start.
20981 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20983 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20986 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20988 * combine.c (simplify_shift_const): Remove extra semicolon.
20989 * dwarf2out.c (remove_AT): Likewise.
20990 * expmed.c (expand_mult): Likewise.
20991 * gcov.c (create_program_flow_graph): Likewise.
20992 * reorg.c (mostly_true_jump): Likewise.
20994 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20996 * fold-const.c (fold_range_test): Do not try to fold the range
20997 test if the rhs or lhs has side effects.
20999 * combine.c (simplify_rtx): Recognize another case of a synthesized
21002 * varasm.c (mark_constant_pool): When marking indirect references,
21003 only look at SYMBOL_REFs.
21005 * except.c (expand_fixup_region_end): Do not peek at
21006 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21008 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21010 * flags.h: New variables align_loops, align_loops_log,
21011 align_jumps, align_jumps_log, align_labels, align_labels_log,
21012 align_functions, align_functions_log.
21013 * toplev.c: Define them.
21014 (f_options): Handle -falign-* when they have no argument.
21015 (main): Add logic to set variables for -falign-functions,
21016 -falign-jumps, -falign-labels, -falign-loops.
21017 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21018 (display_help): Change help to match options.
21019 * final.c (LABEL_ALIGN): Default to align_labels_log.
21020 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21021 (LOOP_ALIGN): Default to align_loops_log.
21022 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21023 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21024 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21025 * varasm.c (assemble_start_function): Handle align_functions.
21027 * config/sparc/sparc.h: Don't declare sparc_align_*.
21028 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21029 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21031 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21033 * config/sparc/sparc.c: Delete sparc_align_loops,
21034 sparc_align_jumps, sparc_align_funcs and the corresponding string
21036 (sparc_override_options): Default align_functions on ultrasparc.
21037 Delete -malign-* handling.
21039 * config/mips/mips.c (override_options): On 64-bit targets,
21040 try to align code to 64-bit boundaries.
21041 (print_operand): New substitution, %~,
21042 which aligns labels to align_labels_log.
21043 * config/mips/mips.md (div_trap_normal): Use %~.
21044 (div_trap_mips16): Likewise.
21046 (absdi2): Likewise.
21047 (ffssi2): Likewise.
21048 (ffsdi2): Likewise.
21049 (ashldi3_internal): Likewise.
21050 (ashrdi3_internal): Likewise.
21051 (lshrdi3_internal): Likewise.
21052 (casesi_internal): Likewise.
21054 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21056 Merge new ia32 backend from the branch!
21058 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21059 See ChangeLog.P2 on new_ia32_branch for details.
21061 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21062 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21063 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21064 * i386/gas.h (ASM_FILE_START): Define.
21065 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21066 for name change of ix86_valid_decl_attribute_p.
21067 (i386_pe_valid_type_attribute_p): Similarly.
21069 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21071 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21072 to step through CC modes.
21074 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21076 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21077 it would end up in the shadow of a live flags regsiter.
21079 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21081 * reload1.c: Fix many indentation problems.
21082 * reload.c: Likewise.
21084 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21086 * alias.c (non_local_reference_p): Constify fmt.
21088 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21090 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21092 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21094 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21095 the internal_arg_pointer.
21097 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21099 Merge peephole2 from new_ia32_branch:
21100 * Makefile.in (STAGESTUFF): Add *.peephole2.
21101 (mostlyclean): Likewise.
21102 (recog.o): Depend on resource.h.
21104 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21105 (final_scan_insn): Likewise for the invocation of peephole.
21106 * genconfig.c (main): Look for peephole and peephole2 patterns.
21107 Emit HAVE_peephole* accordingly.
21108 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21109 * flags.h (flag_peephole2): Declare.
21110 * toplev.c: New pass peephole2. New flag -fpeephole2.
21112 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21113 * gencodes.c (main): Likewise.
21114 * genextract.c (main): Likewise.
21115 * genoutput.c (main): Likewise.
21116 * genemit.c (max_operand_1): Look for the max scratch operand.
21117 (gen_rtx_scratch): New.
21118 (gen_exp): Use it, and pass on new arg subroutine_type.
21119 (gen_expand): Take max scratch into account.
21120 (gen_split): Emit peephole2 functions.
21121 (output_peephole2_scratch): New.
21122 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21123 * genrecog.c (routine_type): Add PEEPHOLE2.
21125 (make_insn_sequence): Match outer parallel for peep2. Discard
21126 top level scratches and dups.
21127 (add_to_sequence): New args insn_type and top. Update all callers.
21128 Handle toplevel peep2 matching insns.
21129 (write_subroutine): Handle peep2.
21130 (write_tree_1): Likewise.
21131 (write_tree): Likewise.
21133 (change_state): New arg afterward. Update all callers.
21134 Handle matching separate insns.
21135 * recog.c (recog_next_insn): New.
21136 (peephole2_optimize): New.
21137 * rtl.def (DEFINE_PEEPHOLE2): New.
21138 * resource.c (find_free_register): New argument last_insn. Use it
21139 to find a register available through the entire span.
21140 * resource.h (find_free_register): Update prototype.
21142 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21144 * i386.c (output_strlen_unroll): Don't write xops[7]
21145 label if it wasn't set.
21147 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21149 * cpplib.c (struct directive): Const-ify name pointer and
21150 function pointer prototype.
21151 (validate_else, do_define, do_line, do_include, do_undef,
21152 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21153 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21154 do_warning): Const-ify second arg.
21155 (directive_table): Mark const. Reorder entries by frequency
21156 of usage, record statistics.
21158 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21160 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21161 bounds- check RTL accesses if --enable-checking.
21162 (RTVEC_ELT): Bounds check if --enable-checking.
21163 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21164 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21165 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21167 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21168 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21170 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21171 (NOTE_SOURCE_FILE): Use X0STR.
21172 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21173 MEM_ALIAS_SET): Use X0INT.
21174 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21175 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21177 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21178 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21179 (rtl_check_failed_bounds, rtl_check_failed_type1,
21180 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21182 (fancy_abort): Fix comment.
21184 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21185 (cse_insn): Decrement LABEL_NUSES for jump target before
21186 deleting jump insn.
21187 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21188 * final.c (alter_subreg): Compute regno before changing x to
21189 REG; set REGNO(x) after changing it.
21190 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21191 notes containing CONST_INTs.
21192 (delete_eh_regions): Use NOTE_EH_HANDLER.
21193 * function.c (put_reg_into_stack): Make reg a MEM before
21195 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21197 (gen_mem_addressof): Make reg a MEM before initializing it.
21198 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21200 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21201 deleting an insn, not after.
21202 (block_alloc): Only look at PATTERN(insn) if we have to, and
21203 only if it's format class 'i'.
21204 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21205 CONST_INT before using its INTVAL.
21206 * print-rtl.c (print_rtx): Use X0STR.
21207 * regmove.c (fixup_match_1): Don't look at PATTERN of
21208 non-class-'i' insn chain elements.
21209 * reload.c (loc_mentioned_in_p): Take address of
21210 in->fld[1].rtx directly.
21211 * reload1.c (reload): Change reg to a MEM before initializing
21213 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21215 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21217 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21219 * config/mips/mips.c (machine_dependent_reorg): Force a
21220 barrier to output the local constant pool if a barrier hasn't
21221 been found at a natural point in the instruction stream.
21223 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21225 * c-parse.in (language_string): Constify.
21227 * dwarf2out.c (language_string): Remove declaration.
21229 * dwarfout.c (language_string): Likewise.
21231 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21233 * tree.h (language_string, init_parse, finish_parse): Declare.
21235 * i386/sun386.h (language_string): Remove declaration.
21237 * mips.h (language_string): Likewise.
21239 * nextstep.h (language_string): Likewise.
21241 * nextstep21.h (language_string): Likewise.
21243 * rs6000.c (language_string): Likewise.
21245 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21247 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21248 (getpwd.o): Remove target.
21250 * getpwd.c: Delete file. Its in libiberty now.
21252 * dbxout.c (getpwd): Don't prototype.
21253 * dwarf2out.c (getpwd): Likewise
21254 * dwarfout.c (getpwd): Likewise
21255 * final.c (getpwd): Likewise.
21256 * protoize.c (getpwd): Likewise.
21258 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21260 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21262 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21264 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21265 mark_set_resources.
21267 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21269 * fixinc/Makefile.in (subdir): New.
21270 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21273 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21275 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21276 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21279 * invoke.texi: Fix typo.
21281 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21282 changed. Handle autoincrement addressing modes.
21284 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21285 just like we would the virtual incoming args register when
21288 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21290 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21291 path, in .file directive.
21293 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21295 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21298 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21300 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21303 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21305 * tree.c (tree_code_name): Constify a char*.
21307 * tree.h (tree_code_name, decl_printable_name): Likewise.
21309 * function.h (struct function): Likewise.
21311 * toplev.c (decl_name, decl_printable_name): Likewise.
21313 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21315 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21316 (init_objc): Remove function pointer cast.
21318 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21320 * pa.md (interspace_jump): New pattern.
21321 (builtin_longjmp): New expander.
21323 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21325 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21326 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21327 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21329 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21331 * jump.c (delete_prior_computation): Also check calls
21332 to constant functions. Don't bother checking for a
21333 REG_UNUSED note before adding it.
21334 (delete_computation): Handle multi-word hard registers
21335 when synthesizing missing REG_DEAD notes for a register
21336 which is both set and used by an insn.
21338 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21340 * loop.c (this_loop_info): New variable.
21341 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21342 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21344 (prescan_loop, strength_reduce): New argument loop_info. All callers
21346 (scan_loop): New variable loop_info, initialise to address of
21348 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21349 Delete variable loop_has_multiple_exit targets and replace with
21350 field in this_loop_info.
21351 (find_and_verify_loops): Rename this_loop to this_loop_num.
21352 (strength_reduce): Delete loop_iteration_info. Replace variable
21353 loop_info with function argument of same name.
21354 (insert_bct): Rework test for loop being completely unrolled.
21356 * loop.h (struct loop_info): New fields num, loops_enclosed,
21357 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21358 has_indirect_jump, and cont. Redefine use of unroll_number.
21359 (loop_unroll_number): Delete.
21361 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21362 field of loop_info.
21363 (loop_iterations): Delete variable vtop and instead use
21364 loop_info->vtop computed in prescan_loop.
21366 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21368 * fix-header.c (main): Do not pass a null pointer to strcmp.
21370 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21372 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21374 * configure: Rebuilt.
21376 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21378 * jump.c (jump_optimize_1): Do not delete assignments to
21379 internal_arg_pointer.
21380 * cse.c (delete_trivially_dead_insns): Always consider a set of
21381 the internal_arg_pointer live.
21383 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21385 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21386 (update_life_info) [REG_WAS_0]: Search the original insns rather
21387 than the new insns for the note. Fix typos finding note_dest.
21388 If no dest found, discard the note rather than abort.
21389 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21390 (replace_insns): Remove the old insn list after update_life_info
21393 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21395 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21396 sched_analyze_insn.
21397 (sched_analyze_1): Let add_dependence care for not adding dups.
21398 (sched_analyze_2): Likewise.
21399 (add_branch_dependences): Likewise.
21401 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21403 * i386/winnt.c (export_list): New type.
21404 (exports_head): Rename to
21405 (export_head): this.
21406 (i386_pe_record_exported_symbol): Add is_data flag.
21407 (i386_pe_asm_file_end): Emit directive for exported variables.
21408 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21410 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21411 (ASM_DECLARE_OBJECT_NAME): Likewise.
21412 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21413 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21415 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21417 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21419 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21422 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21424 * config/openbsd.h: Define SET_ASM_OP.
21425 * tm.texi: cross-reference SET_ASM_OP in the index.
21427 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21429 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21430 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21431 and class_narrowest_mode at compile time. Kill init_rtl.
21432 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21433 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21434 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21436 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21438 * rtl.h: Declare rtx_length and rtx_format as const.
21439 * machmode.def: Define CC(). Use CC() to define CCmode. If
21440 EXTRA_CC_MODES is defined, expand it here.
21441 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21442 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21443 const. Kill all references to EXTRA_CC_MODES.
21445 * toplev.c: Don't prototype or call init_rtl.
21446 * optabs.c: Don't call init_mov_optab.
21447 * genemit.c: Don't generate init_mov_optab. Don't call
21449 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21451 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21452 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21453 genrecog.c: Don't call init_rtl.
21455 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21456 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21457 definition of EXTRA_CC_MODES.
21459 * md.texi: Kill ref to EXTRA_CC_NAMES.
21460 * tm.texi: Document new way to define EXTRA_CC_MODES.
21462 * genrecog.c: Do not look up the name of a define_split.
21463 (Unrelated bugfix.)
21465 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21467 * config/v850/v850.md: Fix typo introduced by previous delta.
21469 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21471 * gcc.c (fatal): Make definition static to match prototype.
21473 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21475 * combine.c (get_last_value): Don't look for earlier sets if the last
21476 known set is somewhere in between the insns being combined.
21478 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21480 * configure.in: Don't use shell ! to negate exit codes
21481 * configure: Regenerate
21483 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21485 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21486 the fact that ALIGN is measured in bits, not bytes.
21488 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21490 * errors.c: New file; defines functions error, warning, and
21491 fatal, variables have_error and progname.
21492 * errors.h: New file; prototypes and decls for stuff in errors.c.
21494 * Makefile: Add rules to build errors.o and
21495 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21496 genopinit, genrecog, genextract, genpeep, genattr, and
21497 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21498 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21499 genpeep.o, genattr.o, and genoutput.o.
21501 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21502 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21503 define or prototype fatal. Set progname at beginning of main.
21504 * genoutput.c: Likewise, and don't define or prototype error
21507 * c-typeck.c (c_expand_start_case): Return immediately if exp
21509 * fold-const.c (operand_equal_p): Return immediately if arg1
21510 or arg0 are ERROR_MARKs.
21511 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21512 fields of type ERROR_MARK when calculating if the record can
21515 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21516 with much help from Jeffrey A Law and Richard Henderson
21518 * i386.md: In the 6 insns which call output_fix_trunc,
21519 earlyclobber operands[0].
21521 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21523 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21524 creating new registers.
21526 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21528 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21529 i386_reg_alloc_order, i386_regparm_string,
21530 i386_align_loops_string, i386_align_jumps_string,
21531 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21532 and i386_branch_cost_string as type "const char *".
21533 * i386.c: Define all above strings as type "const char *".
21535 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21537 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21538 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21540 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21542 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21543 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21545 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21547 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21548 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21549 (dwarf2out_line, dwarf2out_finish): Likewise.
21550 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21552 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21554 * tree.c (lang_unsave_expr_now) : Correct return type.
21555 * tree.h (lang_unsave_expr_now) : Same.
21557 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21559 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21560 instead of duplicating code.
21562 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21564 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21566 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21568 * tree.h: fancy_abort always takes three args.
21569 * resource.c: Move include of system.h before toplev.h.
21571 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21573 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21576 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21578 * system.h: Don't redefine abort or trim_filename.
21579 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21580 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21581 whether or not __FUNCTION__ is available.
21582 * tree.h: Duplicate rtl.h's definition of abort, for files
21583 that don't include rtl.h. Delete all code to perform type
21584 checking with a compiler other than GCC.
21585 * varray.h: Delete all code to perform type checking with a
21586 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21587 its arguments exactly once, using a statement expression.
21588 Adjust the VARRAY_<type> accessor macros to match.
21589 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21590 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21591 caller's location. Define fatal_insn and fatal_insn_not_found
21592 as macros that use _fatal_insn and _fatal_insn_not_found.
21593 (fancy_abort, trim_filename): Kill prototypes.
21595 * rtl.c (trim_filename): Move here from toplev.c.
21596 (fancy_abort): New function.
21597 (DIR_SEPARATOR): Provide default definition.
21598 * tree.c (tree_check_failed, tree_class_check_failed): Go
21599 through fancy_abort.
21600 (tree_check, tree_class_check, cst_or_constructor_check,
21601 expr_check): Delete.
21602 * varray.c (varray_check_failed): New function.
21603 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21604 _fatal_insn and _fatal_insn_not_found. Go through
21606 (trim_filename, fancy_abort): Delete.
21608 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21609 * except.c (start_catch_handler): Report ICE with error/abort
21611 * final.c (output_operand_lossage): Likewise.
21612 * flow.c (verify_flow_info): Likewise.
21614 * gcc.c: Prototype fatal.
21615 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21616 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21617 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21618 Don't define fancy_abort.
21620 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21622 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21625 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21627 * m88k.h (VERSION_INFO2): Kill.
21628 (VERSION_STRING): Kill.
21630 (VERSION_INFO1): Tidy.
21631 (TARGET_VERSION): Update.
21632 * m88k/dgux.h (VERSION_INFO2): Kill.
21633 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21634 * m88k/luna.h (VERSION_INFO1): Tidy.
21635 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21636 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21637 (output_file_start): Adjust for death of VERSION_STRING.
21639 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21641 * cpplib.c (detect_if_not_defined): New function.
21642 (do_if): Use it to detect potential once-only headers.
21644 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21646 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21648 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21650 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21651 anywere in the function only if they are pseudos and set before
21652 being used (not live at the start of the function).
21653 (num_sign_bit_copies) : Same.
21654 (get_last_value_validate) : Same.
21655 (get_last_value) : Same.
21657 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21659 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21660 where N and M are constant and N is an integer multiple of M.
21662 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21664 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21665 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21666 sbitmap_union_of_preds): Add prototypes.
21667 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21668 the intersection of successors with the new flow graph structures.
21669 (sbitmap_intersection_of_preds): New function to compute the
21670 intersection of predecessors with the new flow graph structures.
21671 (sbitmap_union_of_succs): New function to compute the union of
21672 successors with the new flow graph structures.
21673 (sbitmap_union_of_preds): New function to compute the union of
21674 predecessors with the new flow graph structures.
21675 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21676 (expr_reaches_here_p): Use edge and basic_block structures instead
21677 of s_preds and s_succs.
21678 (compute_cprop_avinout): Use new sbitmap routines.
21679 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21680 of s_preds and s_succs.
21681 * flow.c (compute_flow_dominators): Compute dominators using
21682 edges and basic blocks instead of s_preds and s_succs.
21684 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21686 * lists.c (unused_insn_list, unused_expr_list): New file for
21687 maintaining various types of lists. New statics for maintaining a
21688 cache of available INSN_LIST and EXPR_LIST nodes.
21689 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21690 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21691 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21692 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21693 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21694 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21695 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21696 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21697 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21698 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21699 (remove_dependence, free_pending_lists): Use new global routines.
21700 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21701 (sched_analyze, compute_block_backward_dependences): Use new routines.
21702 (sched_analyze_1, sched_analyze_2): Use new routines.
21703 (schedule_insns): Use new global routines.
21704 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21706 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21707 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21709 * toplev.c (rest_of_compilation): Initialize node cache.
21710 * Makefile.in (OBJS): Add lists.o to list of object files.
21711 (lists.o): Add dependancies.
21713 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21715 * config/v850/v850.md: Fix compile time warning messages.
21716 * config/v850/v850.c: Fix compile time warning messages.
21717 * config/v850/v850.h: Fix compile time warning messages.
21719 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21721 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21722 Remove unused prototype for `init_lengths'.
21724 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21726 * calls.c (emit_call_1): Mark parameter `stack_size' with
21728 (expand_call): Initialize variable `insn'.
21729 (emit_library_call): Likewise for variable `high_to_save'.
21730 (emit_library_call_value): Likewise.
21731 (store_one_arg): Likewise for variables `lower_bound' and
21734 * combine.c (try_combine): Likewise for variables `i2_code_number'
21735 and `other_code_number'.
21736 (find_split_point): Likewise for variables `pos', `unsignedp' and
21738 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21739 (simplify_and_const_int): Remove unused variable `width'.
21740 (merge_outer_ops): Likewise.
21742 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21743 HOST_WIDE_INT' when comparing against one.
21744 (simplify_relational_operation): Likewise.
21745 (cse_insn): Initialize variables `src_eqv_volatile',
21746 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21748 * final.c (init_final): Constify parameter `filename'.
21749 (final_start_function): Mark parameter `optimize' with
21751 (profile_function): Likewise for parameters `first' and `optimize'.
21752 (output_source_line): Likewise for parameter `file'.
21754 * integrate.c (subst_constants): Cast a value to `size_t' when
21755 comparing against one.
21756 (mark_stores): Initialize variable `mode'. Cast a value to
21757 `size_t' when comparing against one.
21759 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21761 * loop.c (move_movables): Initialize variable `first'.
21762 (strength_reduce): Likewise for variable `increment'.
21763 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21764 value to `size_t' when comparing against one.
21765 (load_mems): Initialize variable `end_label'.
21767 * output.h (init_final): Constify parameter.
21769 * reload.c (decompose): Initialize variable `base'.
21771 * reload1.c (reload): Likewise for variable `is_scalar'.
21772 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21773 (choose_reload_regs): Initialize variable `mode'.
21774 (emit_reload_insns): Likewise for variable `store_insn'.
21775 (reload_cse_noop_set_p): Mark parameter `insn' with
21777 (reload_combine): Initialize variable `set'.
21779 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21780 (copy_loop_body): Cast a value to `size_t' when comparing against
21783 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21784 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21785 (remove_from_pending_weak_list): Mark parameter `name' with
21788 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21790 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21793 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21795 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21796 (ASM_DECLARE_FUNCTION_NAME): Define.
21797 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21798 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21799 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21800 not already defined.
21802 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21804 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21805 of n_popped when call/call_value are not defined.
21807 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21809 * tm.texi: GNU CC -> GCC conversion.
21810 (CC1_SPEC): Indicate it is used for all language front ends.
21812 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21814 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21815 NOTE_INSN_EH_REGION_END correctly.
21817 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21818 Jeff Law <law@cygnus.com>
21820 * loop.c (strength_reduce): Automatically unroll loops if the
21821 unrolled loop size is smaller than the rolled loop size.
21823 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21824 and delete comment that code should be rewritten.
21826 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21828 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21831 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21833 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21835 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21836 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21837 (LINK_SPEC): Add -u _main when building executables.
21838 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21839 (ASM_FILE_END): Use the default for ix86-pe.
21840 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21842 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21844 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21845 and ASM_CLOSE_PAREN are empty strings.
21847 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21848 Geoffrey Keating <geoffk@cygnus.com>
21850 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21851 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21852 (unprotoize.o): Ditto.
21853 (test-protoize-simple): Don't define STD_PROTO_DIR.
21854 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21855 changes to make 'test-protoize-simple' pass.
21856 (STD_PROTO_DIR): Remove define.
21857 (STANDARD_EXEC_PREFIX): Supply default define.
21858 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21859 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21860 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21861 (GET_ENV_PATH_LIST): New macro.
21862 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21863 (do_processing): Initialize default_syscalls_dir using new
21864 macros. Use it to initialize syscalls_absolute_filename.
21866 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21868 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21869 B into a register before emit_conditional_move.
21871 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21873 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21874 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21875 multiplicand out of (+ (* a b) (* c d)).
21877 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21878 Richard Henderson <rth@cygnus.com>
21880 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21881 (new_insn_dead_notes): Likewise.
21882 (update_n_sets): Likewise.
21883 (update_flow_info): Move to flow.c, renamed to update_life_info;
21884 extend to handle multiple source insns.
21885 * flow.c: Include resource.h
21886 (unlink_insn_chain): New.
21887 (split_hard_reg_notes): New.
21888 (maybe_add_dead_note): New.
21889 (maybe_add_dead_note_use): New.
21890 (find_insn_with_note): New.
21891 (new_insn_dead_notes): New.
21892 (update_n_sets): New.
21893 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21894 (maybe_remove_dead_notes): New.
21895 (update_life_info): New.
21896 (prepend_reg_notes): New.
21897 (replace_insns): New.
21898 * output.h (update_life_info): Declare.
21899 * recog.c (split_block_insns): Use update_life_info.
21900 * resource.c (find_free_register): Use reg_alloc_order, don't use
21901 fixed regs, make sure the mode is supported, don't use new regs.
21903 * rtl.h (replace_insns): Declare.
21905 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21907 * expr.c (expand_expr): Cope with COND_EXPRs with one
21908 non-returning branch.
21910 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21912 * expr.c (store_expr): Always pass down the target, even when not
21915 1999-08-24 Nick Clifton <nickc@cygnus.com>
21917 * configure.in: Define target_cpu_default for v850 targets.
21918 * configure: Regenerate
21920 * config/v850/v850.h (TARGET_CPU_generic): Define.
21921 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21922 addresses are 4 byte aligned.
21924 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21927 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21929 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21930 (main): Add prototypes.
21932 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21933 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21934 (write_attr_get): Emit prototypes along with function definition.
21935 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21936 (write_complex_function): Emit static prototype along with
21937 function definition.
21939 * genemit.c (gen_split): Emit prototypes along with function
21942 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21943 Likewise for predicates and `insn_operand_predicate'.
21944 (process_template): Emit static prototype along with function
21947 * genrecog.c (make_insn_sequence): Constify a char*. Add
21948 prototypes for get_split_*().
21949 (write_subroutine): Emit prototypes along with function
21952 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21954 * gcse.c (find_avail_set): Follow chains of register-register copies.
21955 Use oprs_not_set_p to guarantee that the returned value can be
21957 (cprop_insn): Don't verify the return value of find_avail_set with
21960 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21961 (cprop_cc0_jump): New function.
21962 (cprop_insn): Break out new function cprop_jump and use it.
21963 Also use cprop_cc0_jump for machines with CC0.
21964 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21966 * tree.h (current_function_calls_setjmp,
21967 current_function_calls_longjmp): Delete declarations.
21968 * dsp16xx.c: Include "function.h".
21969 * elxsi.c: Likewise.
21970 * gmicro.c: Likewise.
21971 * h8300.c: Likewise.
21972 * i370.c: Likewise.
21973 * m32r.c: Likewise.
21974 * mn10200.c: Likewise.
21975 * mn10300.c: Likewise.
21976 * ns32k.c: Likewise.
21977 * spur.c: Likewise.
21978 * v850.c: Likewise.
21980 * rtl.h (rtx_equal_function_value_matters): Declare.
21981 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21983 * function.c: Likewise.
21984 * emit-rtl.c: Likewise.
21986 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21988 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21991 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21993 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21996 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21998 * cpp.texi: Add a node documenting macro varargs (copied
22001 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22003 * cppspec.c: Put a null pointer at the end of the new argv.
22005 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22007 * configure.in: Remove code to select/de-select the haifa
22008 scheduler. Every scheduled port gets haifa now.
22009 * configure: Rebuilt.
22010 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22012 * Makefile.in: Corresponding changes.
22014 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22016 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22017 All callers changed.
22018 (prepare_float_lib_cmp): Likewise.
22019 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22020 * expr.h (emit_float_lib_cmp): Delete declaration.
22021 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22022 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22023 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22025 (cmptf): Now conditional on TARGET_HARD_QUAD.
22027 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22029 * resource.c (mark_target_live_regs): Use
22030 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22032 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22034 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22036 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22038 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22040 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22042 * rtl.h (rtx_format): Constify a char*.
22044 * rtl.c (rtx_format): Likewise.
22045 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22046 (init_rtl): Use accessor macro, not `rtx_format'.
22048 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22051 * caller-save.c (mark_referenced_regs): Likewise.
22053 * combine.c (subst, make_compound_operation, known_cond,
22054 gen_rtx_combine, update_table_tick, get_last_value_validate,
22055 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22057 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22058 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22059 count_reg_usage): Likewise.
22061 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22064 * final.c (leaf_renumber_regs_insn): Likewise.
22066 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22067 dump_edge_info, count_reg_references): Likewise.
22069 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22070 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22073 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22074 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22075 add_label_notes): Likewise.
22077 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22078 clear_struct_flag, count_sub_rtxs, count_alternatives,
22079 compares_alternatives_p, contained_in_p, walk_attr_value,
22080 write_expr_attr_cache): Likewise.
22082 * genconfig.c (walk_insn_part): Likewise.
22084 * genemit.c (max_operand_1, gen_exp): Likewise.
22086 * genextract.c (walk_rtx): Likewise.
22088 * genflags.c (num_operands): Likewise.
22090 * genoutput.c (scan_operands): Likewise.
22092 * genpeep.c (match_rtx): Likewise.
22094 * genrecog.c (add_to_sequence): Likewise.
22096 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22099 * integrate.c (save_constants, copy_for_inline,
22100 copy_rtx_and_substitute, subst_constants, restore_constants):
22103 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22104 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22106 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22109 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22110 add_label_notes, replace_call_address, count_nonfixed_reads,
22111 invariant_p, find_single_use_in_loop, find_mem_givs,
22112 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22115 * print-rtl.c (reg_names, print_rtx): Likewise.
22117 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22119 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22120 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22121 print_blocks): Likewise.
22123 * regclass.c (fix_register, record_address_regs,
22124 reg_scan_mark_refs): Likewise.
22126 * regmove.c (stable_but_for_p): Likewise.
22128 * reload.c (loc_mentioned_in_p, operands_match_p,
22129 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22130 copy_replacements, refers_to_regno_for_reload_p,
22131 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22132 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22135 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22136 delete_address_reloads_1, count_occurrences,
22137 reload_cse_mem_conflict_p, reload_combine_note_use,
22138 add_auto_inc_notes): Likewise.
22140 * resource.c (mark_referenced_resources, mark_set_resources):
22143 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22144 reg_mentioned_p, regs_set_between_p, modified_between_p,
22145 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22146 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22147 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22148 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22150 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22152 * stupid.c (stupid_mark_refs): Likewise.
22154 * unroll.c (remap_split_bivs): Likewise.
22156 * varasm.c (mark_constants): Likewise.
22158 * a29k/a29k.c (uses_local_reg_p): Likewise.
22160 * alpha/alpha.c (summarize_insn): Likewise.
22162 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22163 eliminate_lr2ip): Likewise.
22165 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22167 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22168 reg_mentioned_in_mem): Likewise.
22170 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22171 symbolic_reference_mentioned_p): Likewise.
22173 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22175 * sh/sh.c (regs_used, mark_use): Likewise.
22177 * vax/vax.c (vax_rtx_cost): Likewise.
22179 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22181 * machmode.h (mode_name): Constify a char*.
22183 * rtl.c (mode_name): Likewise.
22185 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22187 * optabs.c (init_libfuncs): Constify a char*.
22189 * print-tree.c (mode_name): Remove redundant declaration.
22190 (print_node): Use accessor macro, not `mode_name'.
22192 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22194 (new_spill_reg): Constify a char*.
22196 * tree.c (mode_name): Remove redundant declaration.
22198 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22200 * rtl.c (rtx_name): Constify a char*.
22202 * rtl.h (rtx_name, fix_sched_param): Likewise.
22204 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22205 (mypr): Use accessor macro, not `rtx_name'.
22207 * genemit.c (print_code): Constify a char*.
22209 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22211 * genpeep.c (print_code): Constify a char*.
22213 * genrecog.c (print_code): Likewise.
22215 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22216 end_bb): Add static prototype.
22217 (draw_edge): Constify a char*.
22218 (end_bb): Remove unused parameter.
22220 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22221 print_block_visualization): Constify a char*.
22223 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22225 * c-common.c (c_get_alias_set): Update comment.
22227 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22229 * linux.h (LIB_SPEC): Added.
22231 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22233 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22235 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22237 * tree.c (expr_check): Fix typo in last change.
22239 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22241 * rtl.def (NOTE): Change format to "iuu0n".
22242 (ADDR_DIFF_VEC): Change format to "eEee0".
22243 (ADDRESSOF): Change format to "eit".
22245 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22246 (RTVEC_ELT): Change to match.
22247 (XVECEXP): Use XVEC and RTVEC_ELT.
22248 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22249 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22250 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22251 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22252 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22253 (INTVAL): Use XWINT.
22254 (ADDRESSOF_DECL): Use XTREE.
22255 (SET_ADDRESSOF_DECL): Delete.
22256 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22257 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22258 ifdefed out since 2.6 at least.
22259 (gen_rtvec_vv): Delete prototype.
22261 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22263 (copy_most_rtx): Handle 't' format letter.
22264 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22265 (gen_rtvec_vv): Delete function. All callers changed to use
22266 gen_rtvec_v instead.
22267 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22268 the '0' format letter.
22270 * function.c (gen_mem_addressof): Don't use
22271 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22273 * integrate.c (copy_rtx_and_substitute): Likewise.
22274 Copy 't' slots with XTREE.
22275 (subst_constants): Treat 't' slots like '[swi]' slots.
22276 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22277 * jump.c (rtx_equal_for_thread_p): Likewise.
22278 * rtlanal.c (rtx_equal_p): Likewise.
22279 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22280 only four arguments.
22281 * gengenrtl.c (type_from_format): Provide correct types for
22285 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22286 If a recent gcc is in use (always in stage2 and beyond), use
22287 statement expressions, so we don't make a function call unless
22288 the check fails. Evaluate arguments exactly once.
22289 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22290 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22292 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22293 they evaluate their arguments exactly once, irrespective of
22294 the compiler in use.
22296 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22297 is used by the currently-enabled check macros. This is:
22298 (tree_check_failed, tree_class_check_failed): For gcc.
22299 (tree_check, tree_class_check, cst_or_constructor_check,
22300 expr_check): For other compilers.
22302 * gencheck.c: Do not define any *_CHECK1 macros.
22304 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22305 Mark Mitchell <mark@codesourcery.com>
22307 * c-common.c (c_get_alias_set): Fix support for poitners and
22310 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22312 * alias.c: Include tree.h.
22313 (nonlocal_reference_p, mark_constant_function): New functions.
22314 * flow.c (life_analysis): Call mark_constant_function.
22315 * rtl.h (mark_constant_function): Declare it.
22317 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22319 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22320 unrecognisable switches.
22322 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22324 * loop.c (recombine_givs): Set ix field after sorting.
22325 (recombine_givs): Remove bogus index / giv lockstep looping.
22327 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22329 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22331 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22332 (do_cmp_and_jump): Formatting fixes.
22333 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22334 do_compare_rtx_and_jump instead of compare_from_rtx.
22335 (do_compare_rtx_and_jump): New function; mostly copied from
22337 (do_jump_for_compare): Delete.
22338 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22340 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22341 of compare/do_jump_for_compare pairs.
22342 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22343 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22344 compare_from_rtx/do_jump_for_compare pairs.
22345 (do_jump_by_parts_equality): Likewise.
22346 (do_jump_by_parts_equality_rtx): Likewise.
22347 * expr.h (do_compare_rtx_and_jump): Declare.
22348 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22349 that used to be in emit_cmp_insn.
22350 (cmp_available_p): New function.
22351 (prepare_operand): New function.
22352 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22353 to be in emit_cmp_insn.
22354 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22355 parameters to be pointers; don't emit final compare but modify some of
22356 the values pointed to by the args so the caller can perform the
22357 correct comparison.
22358 (expand_binop): Call emit_store_flag_force with signed forms of
22360 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22361 emit_jump_insn pair.
22362 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22363 emit_cmp_and_jump_insn_1. Call emit_queue.
22364 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22366 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22367 jump sets cc0 before deleting it.
22368 * integrate.c (expand_inline_function): Likewise.
22369 * unroll.c (unroll_loop): Similar changes in several places.
22370 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22371 before deleting it.
22373 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22375 * Makefile.in (insn-recog.o): Update dependencies.
22376 * genrecog.c (main): Make generated file include "function.h".
22378 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22380 * cse.c (cse_insn): Call never_reached_warning when a jump is
22381 changed to be unconditional.
22382 * flags.h: Declare warn_notreached.
22383 * flow.c (delete_block): Call never_reached_warning when
22384 a block is deleted.
22385 * jump.c (delete_barrier_successors): Call never_reached_warning
22386 when we delete everything after a BARRIER.
22387 (never_reached_warning): New function.
22388 * rtl.h: Declare never_reached_warning.
22389 * toplev.c (warn_notreached): New variable.
22390 (lang_independent_options): Set warn_notreached
22391 when -Wunreachable-code.
22392 (compile_file): We need line numbers for -Wunreachable-code.
22394 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22396 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22397 * sched.c (insn_unit): Likewise.
22399 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22401 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22403 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22405 * flow.c (create_edge_list): Use xmalloc, not malloc.
22407 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22409 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22410 C-style comments. Do not lose the character before double slash.
22412 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22414 * basic-block.h (struct edge_list): Stucture to maintain a vector
22416 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22417 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22418 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22419 New function prototypes.
22420 * flow.c (create_edge_list): Function to create an edge list.
22421 (free_edge_list): Discards memory used by an edge list.
22422 (print_edge_list): Debug output showing an edge list.
22423 (verify_edge_list): Internal consistency check for an edge list.
22424 (find_edge_index): Function to find an edge index for a pred and succ.
22426 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22428 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22431 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22433 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22435 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22437 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22439 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22441 * toplev.c (rest_of_compilation): Allow machine dependent
22442 reorganisation pass to place information into the RTL dump
22443 file if it so wishes.
22445 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22447 * explow.c (hard_function_value): Use VOIDmode instead of
22449 * stmt.c (expand_return): Likewise.
22450 * stor-layout.c (get_best_mode): Likewise.
22452 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22453 emit call instead of emit_insn call.
22455 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22457 * configure.in: Handle --disable/enable-win32-registry.
22458 * install.texi: Document --disable/enable-win32-registry.
22459 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22460 (WIN32_REGISTRY_KEY): New macro.
22461 * prefix.c: Use to enable/disable win32-specific code.
22462 (lookup_key): Use versioned key.
22463 * configure: Regenerate.
22464 * config.in: Likewise.
22466 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22468 * cpplib.c (read_line_number): New fn, split out of...
22471 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22473 tree.c (lang_unsave_expr_now) : New.
22474 (unsave_expr_now): Call lang_unsave_expr_now.
22475 tree.h (lang_unsave_expr_now) : New.
22477 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22479 * toplev.c (flag_new_exceptions): On by default.
22481 1999-08-13 Michael Meissner <meissner@cygnus.com>
22483 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22485 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22487 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22488 INTEGER_TYPE with precision==1, it's __java_boolean.
22490 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22492 * global.c (prune_preferences): Move some invariants out of the
22495 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22497 * configure.in (alpha*-dec-osf*): Add osf5.
22499 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22501 * configure.in: Rework handling of ARM GNU/Linux slightly.
22502 (arm*-*-linux-gnuoldld): New target.
22503 * configure: Regenerate.
22504 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22505 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22506 * config/arm/linux-oldld.h: New file.
22507 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22508 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22510 * config/arm/linux-elf.h (ASM_SPEC): Define.
22511 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22512 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22513 for 26-bit APCS and old linker.
22514 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22516 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22517 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22518 don't define `arm' or `arm_elf'.
22519 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22520 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22522 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22524 * rtl.texi: Fix typo.
22526 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22528 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22530 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22532 * extend.texi (C++ Signatures): Remove node.
22533 * invoke.texi: Remove discussion of -fhandle-signatures,
22534 signature, sigof, __signature__, and __sigof__.
22536 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22538 * Makefile.in (JAVAGC): Removed.
22540 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22542 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22544 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22546 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22548 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22550 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22551 a register that is already known to be a pointer.
22553 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22555 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22556 * fixinc/inclhack.sh: Regenerated.
22557 * fixinc/fixincl.sh: Regenerated.
22559 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22561 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22562 Fix documentation of -ansi flag to describe its C++ behavior.
22563 Remove bogus reference to GCC 2.9.
22565 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22567 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22568 note if it is non-NULL.
22570 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22572 * except.h (eh_nesting_info): Add new structure defintion.
22573 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22574 (reachable_handlers, update_rethrow_references): Add function
22576 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22577 a rethrow symbol instead of an integer exception region number.
22578 * flow.c (Make_edges): Use new exception nesting routines to determine
22579 which handlers are reachable from a CALL or asynchronous insn.
22580 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22582 (delete_eh_regions): Update rethrow labels, and don't delete
22583 regions which are the target of a rethrow.
22584 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22585 avoid overloading the SYMBOL_REF_USED flag.
22586 (rethrow_symbol_map): Use new rethrow_ref field.
22587 (rethrow_used): Use new rethrow_ref field.
22588 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22589 of an integer. Fix formatting.
22590 (output_exception_table_entry): Use new rethrow_ref field.
22591 (can_throw): Check for EH_REGION_NOTE before deciding
22592 whether a CALL can throw or not.
22593 (scan_region): Call rethrow_used() instead of accessing data structure.
22594 (update_rethrow_references): New function to make sure only regions
22595 which are still targets of a rethrow are flagged as such.
22596 (process_nestinfo): New static function to initialize a handler
22597 list for a specific region.
22598 (init_eh_nesting_info): New function to allocate and initialize
22599 the list of all EH handlers reachable from all regions.
22600 (reachable_handlers): New function to retrieve the list of handlers
22601 reachable from a specific region and insn.
22602 (free_eh_nesting_info): New function to dispose of a list of
22603 reachable handlers.
22605 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22607 * flow.c (split_edge): Set JUMP_LABEL field.
22608 (commit_one_edge_insertion): Set head correctly for insert_before.
22609 When inserting insns, update insn block numbers if allocated.
22611 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22613 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22614 retry_incomplete_types): Add static prototype.
22615 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22616 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22617 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22618 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22619 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22622 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22623 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22625 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22627 * output.h (assemble_name): Constify a char*.
22629 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22630 assemble_variable, assemble_name): Likewise.
22632 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22634 * arm/pe.c (arm_pe_unique_section): Likewise.
22636 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22638 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22640 * i386/interix.c (i386_pe_unique_section): Likewise.
22642 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22644 * i386/winnt.c (i386_pe_unique_section): Likewise.
22646 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22648 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22650 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22652 * pa/pa.c (output_call): Likewise.
22654 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22656 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22658 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22661 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22664 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22666 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22667 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22669 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22671 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22673 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22675 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22677 * tree.h (lang_identify): Constify a char*.
22678 (print_error_function): Add extern prototype. Constify a char*.
22680 * c-lang.c (lang_identify): Constify a char*.
22682 * objc/objc-act.c (lang_identify): Constify a char*.
22684 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22686 * genpeep.c (main): Make generated file include "function.h".
22687 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22689 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22691 * Makefile.in: Update dependencies.
22692 * alias.c: Include "function.h"
22693 * c-decl.c: Likewise.
22694 * caller-save.c: Likewise.
22695 * calls.c: Likewise.
22696 * combine.c: Likewise.
22698 * explow.c: Likewise.
22699 * final.c: Likewise.
22700 * global.c: Likewise.
22701 * graph.c: Likewise.
22702 * local-alloc.c: Likewise.
22703 * loop.c: Likewise.
22704 * optabs.c: Likewise.
22705 * profile.c: Likewise.
22706 * recog.c: Likewise.
22707 * regclass.c: Likewise.
22708 * regmove.c: Likewise.
22709 * reload.c: Likewise.
22710 * reorg.c: Likewise.
22711 * resource.c: Likewise.
22712 * sched.c: Likewise.
22713 * stupid.c: Likewise.
22714 * config/1750a/1750a.c: Likewise.
22715 * config/a29k/a29k.c: Likewise.
22716 * config/arc/arc.c: Likewise.
22717 * config/arm/arm.c: Likewise.
22718 * config/arm/thumb.c: Likewise.
22719 * config/c4x/c4x.c: Likewise.
22720 * config/clipper/clipper.c: Likewise.
22721 * config/convex/convex.c: Likewise.
22722 * config/fx80/fx80.c: Likewise.
22723 * config/i860/i860.c: Likewise.
22724 * config/m68k/m68k.c: Likewise.
22725 * config/m88k/m88k.c: Likewise.
22726 * config/mips/mips.c: Likewise.
22727 * config/pdp11/pdp11.c: Likewise.
22728 * config/pyr/pyr.c: Likewise.
22729 * config/romp/romp.c: Likewise.
22730 * config/sh/sh.c: Likewise.
22731 * config/tahoe/tahoe.c: Likewise.
22732 * config/vax/vax.c: Likewise.
22733 * config/we32k/we32k.c: Likewise.
22734 * config/sparc/sparc.c: Include "function.h".
22735 (mem_min_alignment): Test current_function rather than
22736 regno_pointer_align.
22737 * config/pa/pa.c: Likewise.
22738 (compute_frame_size): Delete declaration of
22739 current_function_outgoing_args_size.
22740 * config/arc/arc.h (current_function_varargs): Delete declaration.
22741 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22743 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22745 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22746 current_function_uses_pic_offset_table.
22747 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22748 of current_function_returns_pointer.
22749 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22750 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22751 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22752 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22753 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22754 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22755 * config/m88k/m88k.c: Include "function.h"
22756 (call_used_regs, current_function_pretend_args_size,
22757 current_function_outgoing_args_size, frame_pointer_needed): Delete
22759 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22761 * config/mips/mips.h (current_function_calls_alloca): Delete
22763 * config/mn10200/mn10200.h (current_function_needs_context,
22764 rtx_equal_function_value_matters): Delete declarations.
22765 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22766 flag_pic): Delete declarations.
22767 * config/pa/pa.h (current_function_pretend_args_size,
22768 current_function_decl): Delete declarations.
22769 * config/pa/som.h (current_function_varargs): Delete declaration.
22770 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22772 * config/pyr/pyr.h (current_function_pretend_args_size,
22773 current_function_args_size, current_function_calls_alloca): Delete
22775 * config/sh/sh.h (current_function_varargs): Delete declaration.
22776 * config/sparc/sparc.h (current_function_outgoing_args_size,
22777 current_function_calls_alloca, current_function_decl): Delete
22779 * config/spur/spur.h (current_function_pretend_args_size,
22780 current_function_calls_alloca): Delete declarations.
22781 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22783 * config/vax/vms.h (current_function_name): Delete declaration.
22784 * gcse.c: Include "function.h".
22785 (current_function_name, current_function_calls_setjmp): Delete
22787 * haifa-sched.c: Include "function.h".
22788 (forced_labels): Delete declaration.
22789 * jump.c: Likewise.
22790 * reg-stack.c: Likewise.
22791 * reload1.c: Likewise.
22792 * genemit.c (main): Make generated file include function.h.
22793 * genoutput.c (output_prologue): Likewise.
22795 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22796 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22797 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22798 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22799 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22800 macros for some of them.
22801 (emit_filename, emit_lineno): Delete declarations.
22802 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22803 regno_pointer_* variables through current_function.
22804 (gen_inline_header_rtx): Delete function.
22805 (save_emit_status): Delete function.
22806 (set_new_last_label_num): New function.
22807 (clear_emit_caches): New function.
22808 (restore_emit_status): Just clear last_labelnum and call
22810 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22811 through macro seq_stack.
22812 (add_insn_after): Likewise.
22813 (add_insn_before): Likewise.
22814 (remove_insn): Likewise.
22815 (pop_topmost_sequence): Likewise.
22816 (in_sequence_p): Likewise.
22817 (start_sequence_for_rtl_expr): Likewise.
22818 (start_sequence): Likewise, and likewise for
22819 sequence_rtl_expr/seq_rtl_expr.
22820 (push_topmost_sequence): Likewise.
22821 (end_sequence): Likewise.
22822 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22823 All callers changed. Store into that pointer instead of globals.
22824 (init_emit): Allocate emit elt of current_function.
22825 Changes for sequence_rtl_expr/sequence_stack renaming.
22826 Call clear_emit_caches instead of doing it in-line.
22827 Access regno_pointer_* variables through current_function.
22828 (init_emit_once) Don't clear sequence_stack.
22830 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22832 (arg_pointer_save_area): Delete declaration.
22833 (finish_expr_for_function): Renamed from init_queue; no longer static.
22834 (init_expr): Don't call init_queue.
22835 (save_expr_status, restore_expr_status): Delete functions.
22836 (expand_expr): Changes to reflect new layout of struct function.
22837 Don't access current_function_check_memory_usage when current_function
22839 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22840 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22841 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22842 current_function_uses_const_pool, function_call_count,
22843 current_function_uses_pic_offset_table, nonlocal_labels,
22844 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22845 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22846 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22848 (finish_expr_for_function): Declare.
22849 * flags.h (current_function_has_nonlocal_label,
22850 current_function_has_nonlocal_goto, current_function_is_thunk,
22851 current_function_has_computed_jump): Delete declarations.
22852 * flow.c (forced_labels): Delete declaration.
22853 * function.c (current_function_pops_args,
22854 current_function_returns_struct, current_function_returns_pcc_struct,
22855 current_function_needs_context, current_function_calls_setjmp,
22856 current_function_calls_longjmp, current_function_has_nonlocal_label,
22857 current_function_has_nonlocal_goto, current_function_is_thunk,
22858 current_function_has_computed_jump, current_function_calls_alloca,
22859 current_function_contains_functions, current_function_returns_pointer,
22860 current_function_epilogue_delay_list, current_function_args_size,
22861 current_function_pretend_args_size, current_function_arg_offset_rtx,
22862 current_function_outgoing_args_size, current_function_varargs,
22863 current_function_stdarg, current_function_args_info, cleanup_label,
22864 current_function_name, current_function_uses_const_pool,
22865 current_function_instrument_entry_exit, current_function_return_rtx,
22866 current_function_uses_pic_offset_table, nonlocal_labels,
22867 current_function_internal_arg_pointer, current_function_cannot_inline,
22868 current_function_check_memory_usage, function_call_count,
22869 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22870 nonlocal_goto_stack_level, return_label, save_expr_regs,
22871 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22872 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22873 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22874 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22875 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22877 (push_function_context_to): Don't save them. Don't call
22878 save_storage_status, save_emit_status or save_expr_status.
22879 (pop_function_context_from): Don't restore them. Don't call
22880 restore_storage_status or restore_expr_status.
22881 (get_func_frame_size): New function.
22882 (get_frame_size): Use it.
22883 (assign_outer_stack_local): Reflect some member name changes in struct
22885 (put_reg_into_stack): Likewise.
22886 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22888 (fixup_var_refs): Likewise.
22889 (fix_lexical_addr): Likewise.
22890 (trampoline_address): Likewise.
22891 (prepare_function_start): Clear field inlinable of current_function.
22892 (init_function_for_compilation): New function.
22893 (expand_dummy_function_end): New function.
22894 (expand_function_end): Call finish_expr_for_function.
22895 * function.h (struct emit_status): New; fields moved here from struct
22896 function and from global variables. Add accessor macros for some of
22898 (struct expr_status): Likewise.
22899 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22900 (struct function): Add fields expr and emit, inlinable, inl_emit,
22901 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22902 inl_max_label_num. Add many comments.
22903 Add accessor macros for all elts of struct function that no longer
22904 have a global variable.
22905 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22906 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22907 stack_slot_list): Delete declarations.
22908 (get_func_frame_size): Declare.
22909 (save_expr_status, restore_expr_status, save_emit_status,
22910 save_storage_status, restore_storage_status): Delete declarations.
22911 (init_virtual_regs): Declare.
22912 * output.h (current_function_pops_args,
22913 current_function_returns_struct, current_function_returns_pcc_struct,
22914 current_function_needs_context, current_function_calls_setjmp,
22915 current_function_calls_longjmp, current_function_calls_alloca,
22916 current_function_has_nonlocal_label, current_function_varargs,
22917 current_function_has_computed_jump, current_function_returns_pointer,
22918 current_function_contains_functions, current_function_args_size,
22919 current_function_pretend_args_size, current_function_stdarg,
22920 current_function_outgoing_args_size, current_function_args_info,
22921 current_function_name, current_function_return_rtx,
22922 current_function_epilogue_delay_list,
22923 current_function_uses_const_pool, current_function_cannot_inline):
22924 Delete declarations.
22925 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22926 regno_reg_rtx): Delete declaration.
22927 (REGNO_POINTER_FLAG): Delete macro.
22928 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22929 function were renamed.
22930 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22932 * toplev.c: Include "function.h".
22933 (current_function_decl): Delete declaration.
22934 (compile_file): Call init_dummy_function_start and
22935 expand_dummy_function_end around some initializations that need to
22937 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22938 Call init_function_for_compilation.
22939 * unroll.c: Include "function.h"
22940 (unroll_loop): Access regno_pointer_* variables through
22943 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22944 (DECL_SAVED_INSNS): use it.
22945 (expand_dummy_function_end): Declare.
22946 (init_function_for_compilation): Declare.
22947 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22948 that it's no longer an INLINE_HEADER.
22949 (expand_call): Likewise.
22950 * integrate.c (finish_inline): Delete function.
22951 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22952 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22953 args. Don't generate an INLINE_HEADER rtx, just return the arg
22954 vector. All callers changed.
22955 (save_for_inline_copying): Create a duplicate struct emit_status to
22956 hold the emit state for compiling the current function. Use this and
22957 the other new fields in struct function that are for integration
22958 instead of an INLINE_HEADER.
22959 Use memcpy instead of bcopy.
22960 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22961 (save_for_inline_nocopy): Similar changes, except no new emit_status
22963 (expand_inline_function): Get information from function structure,
22964 not from an inline header rtx.
22965 (output_inline_function): Lose code to extract the necessary
22966 information from an inline header; simply put back the function
22967 structure into current_function. Clear its inlinable elt.
22968 * rtl.def (INLINE_HEADER): Delete.
22969 * rtl.h: Delete all accessors for an INLINE_HEADER.
22970 (gen_inline_header_rtx): Delete declaration.
22971 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22972 Delete declarations.
22973 (REGNO_POINTER_ALIGN): Delete.
22974 (clear_emit_caches): Declare.
22975 (set_new_last_label_num): Declare.
22977 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22979 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22981 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22982 * stmt.c (is_eh_region): Make sure current_function is present, too.
22984 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22986 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22987 for 64bit PA targets.
22989 * pa.h (SELECT_SECTION): Define.
22990 * som.h (SELECT_SECTION): Delete.
22992 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22994 * alias.c (init_alias_analysis): Wrap call to
22995 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22997 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22999 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23000 <sys/asm.h> contains an asm comment with an apostrophe
23001 * fixinc/inclhack.sh: regen
23002 * fixinc/fixincl.x: regen
23004 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23006 * function.c (init_function_start): Clear prologue & epilogue.
23007 (prologue_epilogue_contains): New function.
23008 * alias.c (init_alias_analysis): Use it.
23009 * rtl.h (prologue_epilogue_contains): Declare it.
23011 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23013 * jump.c (onlyjump_p): New function.
23014 * rtl.h: Declare it.
23015 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23016 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23018 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23020 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23021 to invert loops. Simplify block scanning.
23023 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23025 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23026 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23028 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23030 * config/sparc/liteelf.h: New file to support sparclite-elf target
23031 * config/sparc/t-sp86x: New file to support sparc86x targets
23032 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23033 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23034 * configure.in: Support above target triplets
23035 * configure: Regenerated
23037 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23039 * fixinc/server.c (server_setup): Do not prefix function used as
23040 parameter with `&'.
23042 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23044 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23045 Remove fp reg alternatives.
23047 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23049 * Makefiin (TAROUTOPTS): Kill.
23050 (install-headers-tar): Use "xpf" for tar headerfile extraction
23051 * i370/x-oe (TAROUTOPTS): Delete.
23052 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23053 * m68k/x-hp320 (TAROUTOPTS): Delete.
23054 * m68k/x-hp320g (TAROUTOPTS): Delete.
23055 * gcc.texi: Update bug reporting text.
23057 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23059 * reg-stack.c (change_stack) Fixed problem with negative array index.
23061 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23063 * extend.texi, install.texi: Fix spelling mistakes.
23065 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23066 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23067 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23068 PREMADE_ATTRTAB_MD.
23069 * mips/t-ecoff: Likewise.
23070 * mips/t-elf: Likewise.
23071 * mips/t-mips: Likewise.
23072 * mips/t-osfrose: Likewise.
23073 * mips/t-r3900: Likewise.
23074 * mips/t-svr3: Likewise.
23075 * mips/t-svr4: Likewise.
23076 * mips/t-ultrix: Likewise.
23078 * gcc.texi: Document recommend means to provide software floating
23079 point libraries in libgcc.a
23081 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23083 * c-lex.c (yylex): We can have a number with no digits.
23085 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23087 * jump.c (delete_prior_computation): New function, broken
23088 out of delete_computation. Check for side effects with
23089 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23090 multi-word hard registers.
23091 (delete_computation): Use it. Check for side effects with
23092 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23093 missing REG_DEAD note for a register which is both set and
23096 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23098 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23099 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23100 (ASM_FILE_START): Import _mcount with the right type.
23101 (ASM_DECLARE_FUNCTION_NAME): Define.
23102 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23103 * pa.c (output_function_prologue): Always emit the function's label
23105 * pa.h (TEXT_SPACE_P): Define.
23106 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23107 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23108 * som.h (TEXT_SPACE_P): Delete.
23109 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23110 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23112 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23114 * expr.c (emit_group_load): Allow src to be a CONCAT.
23116 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23118 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23119 (___mulsi3): Use '!' comment character.
23121 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23123 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23125 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23127 * gcc.c: Update URLs and mail addresses.
23128 * gcc.texi: Likewise.
23130 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23132 * rs6000.c (current_file_function_operand): Return zero for
23134 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23136 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23139 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23141 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23142 allocate space in the stack frame for the PIC register.
23144 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23146 * m68k.md (xordi3, anddi3): These patterns are not available on
23149 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23151 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23152 (PUT_REAL): Likewise.
23154 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23156 * final.c (shorten_branches): Don't add an alignment for loops
23157 that have no label inside.
23159 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23161 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23162 prototypes in macro HAVE_cmpstrsi.
23164 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23166 * emit-rtl.c (operand_subword): Remove unused variable
23169 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23171 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23173 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23175 * cpphash.c (macroexpand): Delete leading whitespace when arg
23176 is concatenated before.
23177 (unsafe_chars): Correct test for whether + and - can extend a
23180 * cppinit.c (cpp_start_read): Do dependencies for
23181 -include/-imacros files also.
23183 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23184 tokenizing non-directive lines.
23185 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23186 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23189 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23191 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23193 * c-lex.c: Sync with C++ frontend.
23194 (linemode): New variable.
23195 (parse_float): imag, conversion_errno, and type are output only.
23196 (yylex): Adjust. Move initial '.' case into main switch.
23198 (handle_generic_pragma): Just deal with tokens.
23199 (readescape): Use ISXDIGIT and ISGRAPH.
23200 * c-parse.in: Add END_OF_LINE token.
23202 * c-lex.c (lang_init): Generalize.
23203 (nextchar): Remove. Replace uses with UNGETC.
23204 (skip_white_space): Handle linemode here. Optimize for cpplib.
23205 (skip_white_space_on_line): Remove.
23206 (extend_token_buffer_to): New fn.
23207 (extend_token_buffer): Use it.
23208 (read_line_number, check_newline): Just deal with tokens.
23209 (token_getch, token_put_back): New fns.
23210 (yylex): Use them. More cpplib optimizations. Simplify.
23212 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23213 Jason Merrill <jason@yorick.cygnus.com>
23215 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23216 (consume_string): Make this smart about USE_CPPLIB.
23217 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23218 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23219 Also, clean up cases where we redundantly set token_buffer[0].
23220 (read_line_number): New fn.
23221 (ignore_escape_flag): New variable.
23223 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23225 * a29k/t-a29kbare: Fix some comments.
23226 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23227 (FPBIT, DPBIT): Define.
23228 * a29k/t-vx29k: Likewise.
23229 * arc/t-arc: Likewise.
23230 * arm/t-arm-elf: Likewise.
23231 * arm/t-bare: Likewise.
23232 * arm/t-pe: Likewise.
23233 * arm/t-pe-thumb: Likewise.
23234 * arm/t-semi: Likewise.
23235 * arm/t-thumb: Likewise.
23236 * arm/t-thumb-elf: Likewise.
23237 * arm/t-thumb-linux: Likewise.
23238 * h8300/t-h8300: Likewise.
23239 * i960/t-i960: Likewise.
23240 * i960/t-vxworks960: Likewise.
23241 * m32r/t-m32r: Likewise.
23242 * mips/t-ecoff: Likewise.
23243 * mips/t-elf: Likewise.
23244 * mips/t-r3900: Likewise.
23245 * pa/t-pro: Likewise.
23246 * rs6000/t-aix43: Likewise.
23247 * rs6000/t-beos: Likewise.
23248 * rs6000/t-newas: Likewise.
23249 * rs6000/t-ppccomm: Likewise.
23250 * rs6000/t-rs6000: Likewise.
23251 * rs6000/t-winnt: Likewise.
23252 * rs6000/t-xnewas: Likewise.
23253 * rs6000/t-xrs6000: Likewise.
23254 * sh/t-sh: Likewise.
23255 * sparc/t-elf: Likewise.
23256 * sparc/t-sparcbare: Likewise.
23257 * sparc/t-sparclite: Likewise.
23258 * sparc/t-splet: Likewise.
23259 * v850/t-v850: Likewise.
23260 * mn10200/t-mn10200: Fix comments.
23261 * mn10300/t-mn10300: Likewise.
23263 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23264 dummy operand. Allocate a new pseudo for the dummy operand.
23265 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23267 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23269 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23271 * configure: Rebuilt.
23272 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23274 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23276 * recog.c (preproces_constraints): Zero recog_op_alt before
23277 processing the constraints.
23279 * arm.c (typedef minipool_node): Renamed from pool_node.
23280 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23281 (add_minipool_constant): New function.
23282 (dump_minipool): New function.
23283 (find_barrier): Remove special case for getting the insn size of
23284 an insn that references the constant pool.
23285 (minipool_fixup): New structure.
23286 (push_minipool_barrier): New function.
23287 (push_minipool_fix): New function.
23288 (note_invalid_constants): New function.
23289 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23290 (arm_reorg): Rewrite code to fix up the constant pool into a
23291 series of mini-pools embedded in the insn stream.
23292 (arm_output_epilogue): New function, made mainly from the body
23293 of output_func_epilogue.
23294 (output_func_epilogue): Move insn generation part of epilogue code
23295 to arm_output_epilogue.
23296 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23297 * arm.md (pool_range): New attribute.
23298 (zero_extendqidi2): Add attribute pool_range.
23299 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23300 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23301 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23302 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23303 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23304 (epilogue): New expand.
23305 (epilogue_insn): New insn. Call arm_output_epilogue.
23307 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23308 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23310 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23312 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23314 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23316 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23318 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23320 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23322 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23324 * global.c: Fix comment.
23326 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23328 * gcc.c (access_check): New static function.
23329 (find_a_file): Use it when searching a directory list.
23330 * collect2.c (find_a_file): Don't accept directories found when
23331 searching a directory list.
23333 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23335 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23336 function parameters with `&'.
23337 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23339 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23341 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23342 or tidy_fallthru_edge if the last insn in the block is not
23343 an unconditional jump or a simple conditional jump.
23345 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23347 * Makefile.in (c-decl.o): Depends on defaults.h.
23349 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23351 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23353 (CLASS_MAX_NREGS): Likewise.
23355 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23357 * cse.c (cse_insn): Fix dumb thinko in last change.
23359 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23361 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23364 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23366 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23367 test for sizes of passed and declared parameter types.
23369 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23371 * fixincludes: Fix the return type of bsearch, char* -> void*.
23373 * fixinc/inclhack.def: Likewise.
23375 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23377 * invoke.texi (-fdump-translation-unit): New option.
23379 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23381 * expr.h (PROMOTE_PROTOTYPES): Move ...
23382 * defaults.h: ... to here.
23383 * c-decl.c: Include defaults.h instead of expr.h.
23384 * c-typeck.c: Include defaults.h.
23386 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23388 * toplev.h (errorcount): Declare.
23389 (warningcount): Likewise.
23390 (sorrycount): Likewise.
23391 * c-lex.c (errorcount): Don't declare.
23392 * dwarf2out.c (errorcount): Don't declare.
23394 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23396 * config/libgloss.h: Add a note discouraging use with ELF.
23397 * configure.in: Don't use libgloss.h for ELF targets.
23398 Always use_collect2 on a.out targets.
23400 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23402 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23403 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23405 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23407 * loop.c (strength_reduce): When doing biv->giv conversion, update
23408 reg note of NEXT->insn.
23410 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23412 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23414 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23416 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23417 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23418 Ensure expr.h is included.
23419 * c-typecheck.c (convert_arguments): Ditto.
23421 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23423 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23424 * config/convex/convex.h: Ditto.
23425 * config/dsp16xx/dsp16xx.h: Ditto.
23426 * config/fx80/fx80.h: Ditto.
23427 * config/gmicro/gmicro.h: Ditto.
23428 * config/i370/i370.h: Ditto.
23429 * config/i386/i386.h: Ditto.
23430 * config/m32r/m32r.h: Ditto.
23431 * config/m68k/m68k.h: Ditto.
23432 * config/m88k/m88k.h: Ditto.
23433 * config/mips/mips.h: Ditto.
23434 * config/pa/pa.h: Ditto.
23435 * config/pyr/pyr.h: Ditto.
23436 * config/tahoe/tahoe.h: Ditto.
23437 * config/we32k/we32k.h: Ditto.
23439 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23440 based on arch size.
23442 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23444 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23447 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23449 1999-08-02 Richard Henderson <rth@cygnus.com>
23451 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23452 for the register spill block.
23453 (m32r_va_arg): New.
23454 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23455 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23457 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23458 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23459 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23461 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23463 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23464 MAX_WCHAR_TYPE defined in sparc.h.
23465 * config/sparc/linuxaout.h: Likewise.
23466 * config/sparc/linux64.h: Likewise.
23467 Also default to -mvis if CPU is UltraSPARC.
23469 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23471 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23472 (RTX_OK_FOR_OLO10): Likewise.
23473 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23474 %lo(), allow it in addresses...
23475 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23476 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23477 does not make sense.
23478 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23479 (sparc_output_scratch_registers): New function.
23480 (output_function_prologue, sparc_flat_output_function_prologue): Use
23482 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23484 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23485 * configure.in: Add check for .register pseudo-op support in as and
23486 check for offsetable %lo().
23487 * acconfig.h: Add templates for the above checks.
23488 * configure: Regenerate.
23490 1999-08-02 Richard Henderson <rth@cygnus.com>
23492 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23493 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23494 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23496 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23498 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23501 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23503 * config/float-sparc.h: New file.
23504 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23505 sparc-*-linux-gnu and sparc64-*-linux*.
23507 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23509 * rs6000.c (rs6000_va_list): Type is an array.
23510 (rs6000_va_start): Don't doubly adjust for varargs.
23511 (rs6000_va_arg): Evaluate long long GPR adjustment.
23513 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23515 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23516 -maix64 and -maix32.
23517 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23518 LINK_SPEC): Change appropriately.
23519 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23520 (u_short_cint_operand): Likewise.
23521 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23523 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23525 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23527 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23529 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23530 for type promotion.
23531 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23532 (non_add_cint_operand): Likewise.
23533 (logical_operand): Likewise.
23534 (non_logical_cint_operand): Likewise.
23535 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23536 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23537 (rs6000_select_rtx_section): Suppress warning.
23538 (small_data_operand): Suppress warning.
23539 (rs6000_got_register): Suppress warning.
23540 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23541 type, so `J' is generally the wrong constraint for a SImode value;
23543 (andsi3_internal2): Likewise.
23544 (andsi3_internal3): Likewise.
23545 (iorsi3_internal1): Likewise.
23546 (xorsi3_internal1): Likewise.
23548 (movsf_softfloat): Likewise.
23549 (scc insns): Likewise.
23550 (movsi+2): Preserve sign bits of SImode constant.
23551 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23552 (movdf+1): Sign-extend properly.
23553 (movdi_32+1): Sign-extend properly.
23554 (scc insns): Sign-extend properly.
23556 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23559 1999-08-02 Richard Henderson <rth@cygnus.com>
23561 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23562 -mcpu parsing code.
23563 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23564 * alpha.md (all fp insns): Likewise.
23566 1999-08-02 Nick Clifton <nickc@cygnus.com>
23568 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23571 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23573 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23574 pic_load_label generator directly.
23575 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23576 No longer a named pattern.
23578 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23580 * explow.c (force_reg): Call force_operand if X does not
23581 satisfy general_operand.
23583 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23585 * fix-header.c (main): When testing for CONTINUED, use string
23586 equality, not pointer equality.
23588 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23590 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23592 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23594 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23595 that has become an unconditional jump.
23597 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23598 (output_function_epilogue): Similarly.
23600 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23602 * tree.h (init_dummy_function_start): Declare.
23604 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23606 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23607 last_expr_type, last_expr_value, block_start_count, block_stack,
23608 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23609 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23610 dynamically in stmt elt of struct function for each function.
23611 (struct nesting): Rename function_call_count elt to n_function_calls,
23612 target_temp_slot_level to block_target_temp_slot_level. All users
23614 (struct stmt_status): New structure definition.
23615 Add many accessor macros for stmt_status elements which previously
23616 were global variables.
23617 (init_stmt_for_function): Allocate stmt elt for current_function.
23618 Reflect that block_start_count was renamed to
23619 current_block_start_count.
23620 (save_stmt_status, restore_stmt_status): Delete functions.
23621 (preserve_subexpressions_p): Don't access loop_stack when outside
23623 (expand_start_bindings): Reflect that block_start_count was renamed to
23624 current_block_start_count.
23625 (expand_fixup): Likewise.
23626 (expand_decl): Don't access block_stack when outside a function.
23627 (expand_decl_cleanup): Likewise.
23628 (expand_dcc_cleanup): Likewise.
23629 (expand_dhc_cleanup): Likewise.
23630 (expand_anon_union_decl): Likewise.
23631 (set_file_and_line_for_stmt): New function.
23632 (in_control_zone_p): New function.
23634 * function.h (struct function): Add new elt stmt.
23635 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23636 case_stack, nesting_stack, nesting_depth, block_start_count,
23637 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23638 emit_lineno, goto_fixup_chain.
23639 (save_eh_status, restore_eh_status, save_stmt_status,
23640 restore_stmt_status): Delete declarations.
23641 * function.c (push_function_context_to): Don't call save_stmt_status.
23642 (pop_function_context_to): Don't call restore_stmt_status.
23643 * tree.h (in_control_zone_p): Declare.
23644 * rtl.h (set_file_and_line_for_stmt): Declare.
23646 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23647 call set_file_and_line_for_stmt.
23649 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23651 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23652 Also update copyright.
23654 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23656 * c-pragma.c: Don't include "except.h".
23657 * emit-rtl.c: Likewise.
23658 * stor-layout.c: Likewise.
23659 * tree.c: Likewise.
23660 * varasm.c: Likewise.
23662 * flow.c: Include "function.h".
23663 * tree.h (init_dummy_function_start): Declare new function.
23665 * except.h (struct eh_status): New structure.
23666 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23668 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23669 catch_clauses, false_label_stack, caught_return_label_stack,
23670 protect_list, current_function_ehc): Add accessor macros for the
23671 corresponding fields in current_function->eh; delete declarations
23672 for all items that used to be declared here.
23673 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23674 catch_clauses, false_label_stack, caught_return_label_stack,
23675 protect_list, current_function_ehc): Delete variables.
23676 (init_eh_for_function): Allocate current_function->eh.
23677 (save_eh_status, restore_eh_status): Delete functions.
23679 * function.h (struct function): Add fields next_global and eh.
23680 Delete all exception handling related fields.
23681 * function.c (current_function): New variable.
23682 (all_functions): New variable.
23683 (push_function_context_to): Don't allocate a struct function,
23684 use current_function instead. Call init_dummy_function_start when
23685 outside a function. Clear current_function before returning.
23686 (pop_function_context_from): Restore current_function.
23687 Don't free the restored struct function.
23688 (prepare_function_start): New function.
23689 (init_dummy_function_start): New function.
23690 (init_function_start): Break out some code into prepare_function_start
23693 * stmt.c (save_stmt_status): Don't call save_eh_status.
23694 (restore_stmt_status): Don't call restore_eh_status.
23696 * Makefile.in: Update dependencies.
23698 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23700 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23701 of depending on a magic constant value. Update comments.
23702 (hppa_expand_prologue): Similarly.
23704 * pa.md (reload_indi, reload_outdi): Allow any register for the
23705 original reload register.
23707 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23709 * cccp.c (print_help): Change marcos to macros.
23711 1999-07-30 Richard Henderson <rth@cygnus.com>
23713 * c-typeck.c (initializer_constant_valid_p): Move ...
23714 * c-common.c (initializer_constant_valid_p): ... here. Use
23715 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23716 of label addresses.
23717 * c-common.h (initializer_constant_valid_p): Declare.
23718 * c-tree.h (initializer_constant_valid_p): Remove.
23720 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23722 * config/i386/sol2-c1.asm: Align the stack.
23723 * config/i386/sol2-gc1.asm: Likewise.
23725 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23727 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23728 -Asparclite for sparc86x.
23729 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23731 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23733 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23735 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23736 the user if using the non-default arch size in BI_ARCH configuration.
23737 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23739 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23740 Fix patterns so that they actually match.
23741 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23742 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23743 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23745 (mulsidi3): Reflect this in the expand.
23746 (smulsi3_highpart): Only on TARGET_ARCH32.
23747 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23748 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23749 (umulsidi3): Reflect this in the expand.
23750 (umulsi3_highpart): Only on TARGET_ARCH32.
23751 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23752 don't require g0 to be zero.
23753 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23754 ({,u}divsi3): New expands.
23755 ({,u}divsi3_sp64): New patterns.
23756 (after lshrdi3_v8plus): Four new patterns to help combiner
23757 optimizing nested mixed mode shifts.
23759 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23760 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23761 speed things up. Don't use them by default on plain v9 in 64bit
23762 mode, according to what SPAMv9 sais.
23764 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23765 top 32 bits of %[og][0-7] in signal handlers.
23766 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23768 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23770 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23771 (ashlsi3): Corresponding changes.
23773 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23775 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23777 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23779 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23781 * arm.h (Hint): Delete macro.
23782 Substitute HOST_WIDE_INT for Hint in some prototypes.
23783 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23785 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23787 * builtins.c (expand_builtin_setjmp): Use force_operand to
23788 make sure that the buffer address is in a suitable form to be
23789 passed to force_reg.
23791 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23793 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23796 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23798 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23799 proper mode in the condition string.
23800 (icacheflush, dcacheflush): Remove modes from match_operands.
23802 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23803 proper mode before using it.
23805 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23808 * pa.c (store_reg): Do not call add_high_const generator directly.
23809 (load_reg, set_reg_plus_d): Likewise.
23810 * pa.md (add_high_const): No longer a named pattern.
23812 * pa.c (legitimize_address): Consistently use Pmode rather than
23813 SImode. Do not call gen_pic2_highpart directly anymore.
23814 * pa.md (pic2_highpart): No longer a named pattern.
23815 (pic2_lo_sum): Similarly. Reformat to make more readable.
23817 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23822 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23824 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23826 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23828 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23829 and tag the spill mems.
23830 (hppa_va_start): New.
23831 (hppa_va_arg): New.
23832 * pa.h (EXPAND_BUILTIN_VA_START): New.
23833 (EXPAND_BUILTIN_VA_ARG): New.
23835 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23837 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23838 and tag the spill mems.
23839 (mn10300_va_start): New.
23840 (mn10300_va_arg): New.
23841 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23842 (EXPAND_BUILTIN_VA_ARG): New.
23844 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23846 * mn10200.c (mn10200_va_arg): New.
23847 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23849 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23851 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23852 rather than play with TREE_INT_CST_LOW.
23854 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23856 * config/arm/telf.h: Include dbxelf.h.
23857 (CPP_PREDEFINES): Only define if not already defined.
23858 (ASM_IDENTIFY_GCC): Likewise.
23859 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23860 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23861 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23863 (DBX_DEBUGGING_INFO): Don't define.
23864 * config/arm/linux-telf.h: New file.
23865 * config/arm/linux-tgas.h: New file.
23866 * config/arm/t-thumb-linux: New file.
23867 * config/arm/uclinux-elf.h: New file.
23868 * config/arm/uclinux-telf.h: New file.
23869 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23870 thumb-*-uclinux): New targets.
23871 * configure: Regenerate.
23873 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23875 * pa.md (post_store, pre_load): New expanders.
23876 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23877 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23878 need to directly generate RTL for them.
23879 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23882 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23884 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23885 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23886 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23887 (secndary_reload_class): Make TARGET_ELF conditional compile.
23888 (print_operand_address): Similar.
23889 (output_toc): Print all values as hex.
23890 (get_issue_rate): Rearrange and add RS64A and PPC630.
23891 * rs6000.h (processor_type): Add RS64A and PPC630.
23892 (PROCESSOR_POWERPC64): New.
23893 (PROMOTE_MODE): Use word_mode.
23894 (RTX_COSTS): Add RS64A and PPC630.
23895 * rs6000.md (scheduling information): Add lmul and ldiv
23896 representing 64-bit integer multiply and divide. Add rs64a and
23897 PPC630 information.
23898 (ashldi3): Add support for "rldic" instruction.
23899 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23901 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23903 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23904 instead of V8 for sparclite86x in cpu_table.
23906 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23908 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23909 output_file_directive.
23911 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23913 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23914 tree for op1, not the rtl.
23916 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23918 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23919 to m88k_va_start, leaving only the register spill.
23920 (m88k_build_va_list): New.
23921 (m88k_va_start): New.
23922 (m88k_va_arg): New.
23923 * m88k.h (BUILD_VA_LIST_TYPE): New.
23924 (EXPAND_BUILTIN_VA_START): New.
23925 (EXPAND_BUILTIN_VA_ARG): New.
23927 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23929 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23930 Rename from expand_builtin_saveregs.
23931 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23933 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23935 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23936 for the register spill block.
23937 (i960_build_va_list): New.
23938 (i960_va_start): New.
23939 (i960_va_arg): New.
23940 * i960.h (BUILD_VA_LIST_TYPE): New.
23941 (EXPAND_BUILTIN_VA_START): New.
23942 (EXPAND_BUILTIN_VA_ARG): New.
23943 * i960.md (store_multiple): Use change_address on individul mems.
23945 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23947 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23949 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23950 (expand_builtin_va_end): Evaluate arg for side effects.
23951 * c-common.c (c_common_nodes_and_builtins): Construct a
23952 va_list_arg_type_node to handle array decomposition to pointer.
23954 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23956 * except.c (st_dynamic_cleanup): Use force_operand on the
23959 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23961 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23962 * c4x.c (c4x_va_arg): New.
23964 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23966 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23967 has manual_pop set.
23969 1999-07-26 Nathan Sidwell <nathan@acm.org>
23971 * eh-common.h (__eh_matcher): Prototype correctly.
23973 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23975 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23976 (TARGET_SINGLE_PIC_BASE): Likewise.
23977 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23979 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23980 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23981 (TARGET_OPTIONS): Add -mpic-register=N.
23982 (OUTPUT_INT_ADDR_CONST): New macro.
23983 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23984 LEGITIMATE_PIC_OPERAND_P): Likewise.
23985 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23986 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23987 output_addr_const directly.
23988 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23990 (thumb_pic_register, thumb_pic_register_string): Declare.
23992 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23994 (label_mentioned_p): New function: Imported from arm.c.
23995 (legitimize_pic_address): New function: Imported from arm.c.
23996 (is_pic):New function: Imported from arm.c.
23997 (thumb_finalize_pic):New function: Imported from arm.c.
23998 (add_constant): Cope with PIC constants.
23999 (fixit): Cope with PIC constants.
24000 (output_return): Do not treat the PIC register as live if
24001 TARGET_SINGLE_PIC_BASE is true.
24002 (thumb_function_prologue): Do not treat the PIC register as live if
24003 TARGET_SINGLE_PIC_BASE is true.
24004 (thumb_expand_prologue): Do not treat the PIC register as live if
24005 TARGET_SINGLE_PIC_BASE is true.
24006 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24007 TARGET_SINGLE_PIC_BASE is true.
24008 (thumb_print_operand): Accept '|'.
24009 (thumb_override_options): Process PIC options.
24011 * config/arm/thumb.md (movsi): Support PIC.
24012 (call_insn): Change "i" constraint to "X".
24013 (call_value_insn): Likewise.
24014 (consttable_4, consttable_8, consttable_end): Set and clear
24015 "making_const_table" as appropriate.
24016 (pic_load_addr, pic_add_dot_plus_four): New insns.
24018 * invoke.texi (Thumb Options): Fix spelling. Document new
24019 options -msingle-pic-base and -mpic-register=.
24021 1999-07-26 Andrew Haley <aph@cygnus.com>
24023 * config/m32r/initfini.c (__init): Use a full word immediate for
24024 __fini: this allows it to be placed in any memory region.
24026 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24027 -mmodel=medium. This is OK for all memory models.
24029 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24031 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24032 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24034 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24036 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24039 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24041 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24043 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24044 (BUILD_VA_LIST_TYPE): New.
24045 (EXPAND_BUILTIN_VA_START): New.
24046 (EXPAND_BUILTIN_VA_ARG): New.
24047 * i860.c (output_delayed_branch): Disable.
24048 (output_delay_insn): Likewise.
24049 (i860_saveregs): New.
24050 (i860_build_va_list): New.
24051 (i860_va_start): New.
24052 (i860_va_arg): New.
24053 * i860.md: Disable all peepholes using output_delayed_branch.
24054 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24056 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24058 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24059 (BUILD_VA_LIST_TYPE): New.
24060 (EXPAND_BUILTIN_VA_START): New.
24061 (EXPAND_BUILTIN_VA_ARG): New.
24062 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24063 Return the address of the save area.
24064 (clipper_build_va_list): New.
24065 (clipper_va_start): New.
24066 (clipper_va_arg): New.
24068 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24070 * arc.h (EXPAND_BUILTIN_VA_START): New.
24071 (EXPAND_BUILTIN_VA_ARG): New.
24072 * arc.c (arc_setup_incoming_varargs): Set alias set of
24074 (arc_va_start): New.
24077 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24079 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24080 (BUILD_VA_LIST_TYPE): New.
24081 (EXPAND_BUILTIN_VA_START): New.
24082 (EXPAND_BUILTIN_VA_ARG): New.
24083 * alpha.c (alpha_builtin_saveregs): Delete.
24084 (alpha_build_va_list): New.
24085 (alpha_va_start): New.
24086 (alpha_va_arg): New.
24088 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24090 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24092 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24093 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24095 * gcc.texi: More changes related to list conversion.
24096 * invoke.texi: Likewise.
24098 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24100 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24101 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24102 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24103 (stabilize_va_list): New function.
24104 (std_expand_builtin_va_start): New function.
24105 (expand_builtin_va_start): New function.
24106 (get_varargs_alias_set): New function.
24107 (std_expand_builtin_va_arg): New function.
24108 (expand_builtin_va_arg): New function.
24109 (expand_builtin_va_end): New function.
24110 (expand_builtin_va_copy): New function.
24111 (expand_builtin): Call them.
24112 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24113 __builtin_{varargs_start,stdarg_start,end,copy}.
24114 (build_va_arg): New function.
24115 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24116 (build_va_arg): Declare.
24117 * c-decl.c (ptr_type_node, va_list_type_node): New.
24118 * c-parse.gperf (__builtin_va_arg): New.
24119 * c-parse.in (VA_ARG): New token.
24120 (unary_expr): Recognize it.
24121 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24122 * expr.h (std_expand_builtin_va_start): Declare.
24123 (std_expand_builtin_va_arg): Declare.
24124 (expand_builtin_va_arg): Declare.
24125 (get_varargs_alias_set): Declare.
24126 * tree.def (VA_ARG_EXPR): New.
24127 * tree.h (BUILT_IN_VARARGS_START): New.
24128 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24129 (ptr_type_node, va_list_type_node): Declare.
24130 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24131 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24132 * m88k.h, m88k.c: Likewise.
24133 * mn10300.h, mn10300.c: Likewise.
24134 * pa.h, pa.c: Likewise.
24135 * rs6000.h, rs6000.c: Likewise.
24136 * sh.h, sh.c: Likewise.
24137 * sparc.h, sparc.c: Likewise.
24139 * emit-rtl.c (operand_subword): Copy alias set.
24140 (change_address): Likewise.
24142 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24144 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24145 not just the first one.
24147 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24149 * config/arm/arm.h (TARGET_SWITCHES): Add
24150 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24151 (TARGET_OPTIONS): Add -mpic-register=.
24152 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24153 (arm_pic_register_string): Declare.
24154 (NEED_PLT_GOT): Delete, replace with ...
24155 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24156 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24157 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24158 * config/arm/arm.c (arm_override_options): Add new option
24160 (arm_pic_register_string): New variable.
24161 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24162 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24163 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24164 (output_return_instruction): Likewise.
24165 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24166 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24167 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24169 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24170 mention of -msched-prolog. Document new options -msingle-pic-base
24171 and -mpic-register=.
24173 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24175 * haifa-sched.c (reemit_notes): Tidy.
24176 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24179 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24181 * explow.c (trunc_int_for_mode): New function.
24182 (plus_constant_wide): Use it.
24183 * combine.c (simplify_and_const_int): Likewise.
24184 (merge_outer_ops): Likewise.
24185 (simplify_shift_const): Likewise.
24186 * cse.c (simplify_unary_operation): Likewise.
24187 (simplify_binary_operation): Likewise.
24188 * emit-rtl.c (operand_subword): Likewise.
24189 * rtl.h: Declare it.
24191 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24193 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24194 (use NUM_REGS instead of NUM_INTS).
24196 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24198 * builtins.c: New file.
24199 * expr.c (saveregs_value, apply_args_value): Delete definition,
24200 moved into builtins.c.
24201 (string_constant): No longer static.
24202 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24203 apply_args_size, apply_result_size, result_vector,
24204 expand_builtin_apply_args, expand_builtin_apply,
24205 expand_builtin_return): Delete functions, moved into builtins.c.
24206 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24207 * expr.h (saveregs_value, apply_args_value): Declare variables.
24208 (expand_builtin, string_constant): Declare functions.
24209 * Makefile.in: Update to build builtin.o.
24211 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24213 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24214 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24215 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24216 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24218 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24221 1999-07-21 Michael Meissner <meissner@cygnus.com>
24223 * print-rtl.c (print_rtx): Print the names of the virtual
24226 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24228 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24229 introduced in previous delta.
24231 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24233 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24234 to avoid name clash.
24236 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24238 * c-lex.c (yylex) : Correct the test for overflow when lexing
24241 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24243 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24244 (adjust_priority): Always call ADJUST_PRIORITY.
24245 (schedule_insn): Only put insns into the ready at cost 0.
24246 (schedule_block): Remove redundant initial sort. Give clock_var
24247 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24249 * tm.texi (MD_SCHED_REORDER): Update docs.
24251 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24252 * sparc.c (ultra_reorder_called_this_block): Delete.
24253 (ultrasparc_sched_init): Don't set it.
24254 (ultrasparc_sched_reorder): Don't check it.
24256 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24258 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24259 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24260 (function_arg_boundary): Align DFmode.
24261 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24262 to get fp reg and stack overflow correct.
24263 (function_arg): Likewise.
24264 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24265 (setup_incoming_varargs): Restructure for ABI_V4; use
24266 function_arg_advance to skip final named argument.
24267 (expand_builtin_saveregs): Properly unskip the last integer arg
24268 when doing varargs. Adjust overflow location calculation.
24270 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24271 explicitly unsigned.
24272 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24273 (__VA_GP_REGSAVE): Similarly.
24274 (__va_longlong_p): Delete.
24275 (__va_arg_type_violation): New declaration.
24276 (va_arg): Restructure. Flag promotion errors. Align double.
24277 TFmode passed by reference.
24279 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24280 in the HOST_BITS_PER_WIDE_INT > 32 case.
24282 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24284 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24286 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24288 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24289 * toplev.c (documented_lang_options): Add -fpreprocessed.
24290 * cpplib.h (struct cpp_buffer): Add preprocessed.
24291 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24292 (cpp_start_read): Don't expand macros or emit an initial #line
24293 directive if -fpreprocessed.
24295 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24297 * cpplib.h (struct cpp_buffer): Added manual_pop for
24298 better C++ tokenization.
24299 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24300 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24301 * c-common.c (cpp_token): Make non-static.
24303 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24305 * c-common.h: New file.
24306 * c-common.c (permanent_obstack): Delete unused declaration.
24307 (c_global_trees): New array.
24308 (c_common_nodes_and_builtins): New function; split off common code
24309 from init_decl_processing in both c-decl.c and cp/decl.c.
24310 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24311 c_global_trees and accessor macros defined in c-common.h.
24312 Include c-common.h.
24313 * c-decl.c: Delete definitions for tree nodes that were replaced by
24315 (init_decl_processing): Build void_list_node.
24316 Call c_common_nodes_and_builtins; delete code to generate the common
24318 * objc/objc-act.c (build_module_descriptor): Rename variable
24319 void_list_node to avoid clash with c-common.h.
24321 * Makefile.in: Update dependencies.
24322 * objc/Make-lang.in: Likewise.
24324 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24326 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24327 (UNIQUE_SECTION_P): Likewise.
24328 (UNIQUE_SECTION): Likewise.
24330 1999-07-19 Linas Vepstas <linas@linas.org>
24332 * config/i370/README: New file.
24333 * config/i370/linux.h: New file.
24334 * config/i370/mvs.h: New file.
24335 * config/i370/oe.h: New file.
24336 * config/i370/t-linux: New file.
24337 * config/i370/t-mvs: New file.
24338 * config/i370/t-oe: New file.
24339 * config/i370/x-oe: New file.
24340 * config/i370/xm-linux.h: New file.
24341 * config/i370/xm-mvs.h: New file.
24342 * config/i370/xm-oe.h: New file.
24344 * i370.c (label_node_t): Add first_ref_page, label_addr,
24345 label_first_ref, label_last_ref members.
24346 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24347 (MAX_MVS_LABEL_SIZE): Define.
24348 (MAX_LONG_LABEL_SIZE): Define.
24349 (alias_node_t, alias_anchor, alias_number): New.
24350 (mvs_function_table): Reorder for EBCDIC.
24351 (ascebc, ebcasc): Unconditionally define.
24352 (i370_branch_dest, i370_branch_length): New functions.
24353 (i370_short_branch, i370_label_scan): New functions.
24354 (mvs_get_label): Renamed from mvs_add_label. Search for
24355 an existing label before creating a new one.
24356 (mvs_add_label): New function.
24357 (mvs_get_label_page): New function.
24358 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24359 over the entire list.
24360 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24361 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24362 (mvs_add_alias, mvs_need_alias): New functions.
24363 (mvs_get_alias, mvs_check_alias): New functions.
24364 (handle_pragma): New function.
24365 (mvs_function_check): New function.
24366 (unsigned_jump_follows_p): Search harder.
24367 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24368 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24369 * i370.h (TARGET_VERSION): Delete.
24370 (CPP_SPEC, CPP_PREDEFINES): Delete.
24371 (mvs_label_emitted): Delete.
24372 (TARGET_EBCDIC): Delete.
24373 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24374 (HANDLE_PRAGMA): Define.
24375 (HARD_REGNO_NREGS): Handle complex modes.
24376 (HARD_REGNO_MODE_OK): Likewise.
24377 (CLASS_MAX_NREGS): Likewise.
24378 (RET_REG): Likewise.
24379 (EXTRA_CONSTRAINT): Define.
24380 (RETURN_IN_MEMORY): True for DImode.
24381 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24382 (FUNCTION_PROFILER): Delete.
24383 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24384 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24385 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24386 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24387 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24388 (ASM_FILE_START): Add "RMODE ANY".
24389 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24390 (ASM_GLOBALIZE_LABEL): Likewise.
24391 (ASM_OUTPUT_LABELREF): Likewise.
24392 (ASM_OUTPUT_COMMON): Likewise.
24393 (PRINT_OPERAND): Handle 'K', 'W', default.
24394 (PRINT_OPERAND_ADDRESS): New.
24395 (Lots of defines): Add support for TARGET_ELF_ABI.
24396 * i370.md (attr length): New. Define for all patterns.
24397 (*): Lots of tweeks to assembly output and constraints.
24399 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24401 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24402 Disable patterns performing SImode comparisons with SImode values
24403 if TARGET_POWERPC64 and instruction does not sign-extend or does
24404 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24405 differ for signed quantities.
24406 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24407 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24408 (decrement_and_branch_on_count): Add 64-bit variant.
24410 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24412 * final.c (output_asm_insn): When searching for the matching string
24413 for a given dialect, don't run past the end of the list of
24414 alternatives if there are fewer alternatives in the template than
24417 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24419 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24420 Removed paragraph about compression of files and size limitation,
24421 duplicated in the FAQ. Use gcc-patches for posting patches.
24422 * gcc.c (main): Updated URL with bug reporting instructions to
24423 gcc.gnu.org. Removed e-mail address.
24424 * system.h (abort): Likewise.
24426 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24428 * Makefile.in (stmp-multilib-sub): Make the files extracted
24429 from $(LIBGCC1) writable.
24431 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24433 * config/arm/aout.h: Reformat for improved readability.
24435 * config/arm/arm.h: Reformat for improved readability.
24436 Replace uses of fprintf with asm_fprintf where appropriate.
24437 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24438 function declaration assembler actions.
24439 (NUM_INTS): New macro: Convert from bytes to words.
24440 (NUM_REGS): New macro: Compute number of registers required to
24441 hold a quanitity of tyep MODE.
24442 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24444 (NUM_ARG_REGS): New macro: The number of argument registers
24446 (ARG_REGISTER): New macro: Compute the register number of the Nth
24448 (LAST_ARG_REGNUM): New macro: The number of the last argument
24450 (SP_REGNUM): New macro: Register number of the stack pointer.
24451 (FP_REGNUM): New macro: Register number of the frame pointer.
24452 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24453 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24454 CUMULATIVE_ARGS so that it counts registers not bytes.
24456 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24458 Replace uses of fprintf with asm_fprintf where appropriate.
24459 (output_ascii_pseudo_op): Replace with version from thumb.c
24461 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24463 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24464 SUBTARGET_CPP_SPEC.
24465 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24466 (ASM_FILE_START): Emit ASM_APP_OFF.
24468 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24470 * pa.c (compute_frame_size): Round frame according to
24471 STACK_BOUNDARY rather than a hardwired value.
24473 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24475 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24477 * configure: Rebuilt.
24479 * configure.in (hppa*-*-linux*): New configuration.
24480 * configure: Rebuilt.
24481 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24482 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24483 * pa/pa-linux.h: New file.
24484 * pa/t-linux: New file.
24485 * pa/xm-linux.h: New file.
24487 * pa.c (hppa_legitimize_address): Change references from SImode to
24488 either Pmode or word_mode as appropriate.
24489 (emit_move_sequence, store_reg, load_reg): Likewise.
24490 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24491 (output_mul_insn): Likewise.
24492 * pa.h (PROMOTE_MODE): Likewise.
24493 (INITIALZE_TRAMPOLINE): Likewise.
24494 (Pmode): Define to word_mode.
24496 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24497 value of 4. Allocate 8 bytes for each FP register save.
24498 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24500 (hppa_expand_prologue): Likewise.
24501 * pa.h (PROMOTE_MODE): Likewise.
24502 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24503 (FUNCTION_ARG_BOUNDARY): Likewise.
24505 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24507 * pa.c (out_of_line_prologue_epilogue): Delete.
24508 (override_options): Remove -mspace related code.
24509 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24510 (compute_frame_size): Only allocate space for register that
24511 actually need to be saved.
24512 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24513 (TARGET_SWITCHES): Remove -mspace, -mno-space
24514 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24515 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24516 * pa/ee.asm, pa/ee_fp.asm: Delete.
24518 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24520 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24521 directive in column zero.
24523 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24525 * m68k.c (output_function_prologue): Fix computation of save mask
24526 when generating PIC code.
24528 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24530 * tree.c (build_type_attribute_variant): Move current_obstack restore
24531 after build_qualified_type call.
24533 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24535 * configure.in: Use t-iris6, even with GNU LD.
24536 * config/mips/iris6gld.h: Fix typo in linker spec.
24537 * config/mips/t-iris6gld: Remove.
24539 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24541 * rs6000.md (insv, extzv): Remove SImode dependence in named
24542 patterns. Explicitly generate DImode RTL if PowerPC64 and
24544 (insvdi): Reverse start and size in instruction template.
24546 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24548 * invoke.texi: Typo fixes.
24550 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24552 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24553 handle at this time instead of silently generating incorrect code.
24554 (gen_imagpart): Likewise.
24556 * reload.c (find_reloads): Emit a USE for a pseudo register without
24557 a hard register if we could not create an optional reload for the
24560 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24562 * c-typeck.c (output_init_element, process_init_element):
24563 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24564 check for nameless bit fields.
24566 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24568 * regclass.c (scan_one_insn): Notice subregs that change the
24569 size of their operand.
24570 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24572 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24574 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24575 * configure: Rebuilt.
24576 * alpha/t-ieee: New file.
24578 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24580 * rs6000.c (find_addr_reg): Do not select r0 as an address
24583 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24585 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24587 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24589 * rs6000.md (movsf): Do not force easy FP constants into memory.
24591 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24592 immed_double_const to ensure they are properly truncated then
24595 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24597 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24598 always unless NO_DEBUG is used. Compile this code
24600 (replace_symbols_in_block): Compile it unconditionally.
24602 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24604 * configure.in (i?86-*-elf*): New target.
24605 * configure: Rebuilt.
24606 * i386/i386elf.h, i386/t-i386elf: New files.
24608 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24610 * toplev.c (main): Don't complain about saying -gdwarf.
24611 (rest_of_compilation): Remove redundant code.
24613 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24615 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24617 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24619 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24620 "Li960R:", to avoid name clash.
24622 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24624 * loop.c (check_dbra_loop): When reversing a loop, delete all
24625 REG_EQUAL notes referencing the reversed biv except those which are
24626 for a giv based on it.
24628 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24630 * version.c: Drop "gcc-" prefix from version #.
24632 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24634 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24635 the label if we're being verbose.
24637 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24639 * m68k.c (output_function_prologue): Add pic register to mask
24640 if live and flag_pic.
24641 (output_function_epilogue): Likewise.
24643 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24645 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24646 directives in column zero.
24648 * pa/elf.h (ASM_FILE_START): Define.
24649 * pa/som.h (ASM_FILE_START): Include .level directives.
24650 * pa/hpux10.h (ASM_FILE_START): Delete.
24651 * pa/hpux11.h (ASM_FILE_START): Delete.
24653 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24655 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24657 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24658 when reload_out equals reload_in.
24660 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24662 * invoke.texi (Spec Files): New node: Describe the contents of
24665 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24667 * invoke.texi (DEC Alpha Options): Put @end table at
24668 beginning of line, to avoid confusing texi2html.
24670 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24672 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24673 introduced in previous delta.
24675 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24677 * reload1.c (gen_reload): When synthesizing a 3 operand add
24678 sequence, improve test for when to reload OP1 into the reload
24679 register instead of OP0.
24681 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24683 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24685 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24687 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24690 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24692 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24693 (va_dcl): Use __builtin_va_alist_t.
24695 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24697 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24698 on the permanent_obstack.
24699 * dwarfout.c (output_type): Likewise.
24701 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24703 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24704 Merged from c-typeck.c and cp/typeck.c.
24705 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24706 Merged into c-common.
24708 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24710 * c-lex.c (errorcount): Declare it.
24711 (finish_parse): Update errorcount when using CPPLIB.
24713 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24715 * fixinc/inclhack.def(end_else_label): Double the backslash so
24716 sed gets a chance to see it.
24717 * fixinc/inclhack.sh: regen
24718 * fixinc/fixincl.x: regen
24720 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24722 Add framework to support armv5 architecture when it becomes
24725 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24726 (arm_arch5): New variable.
24727 (all_architectures): Add armv5 line.
24728 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24729 -march=armv5 is specified on the command line.
24730 (arm_arch5): Export this variable.
24731 * invoke.texi: Document new string accepted by -march= switch for
24734 * config/arm/arm.h: Replace use of constant 12 as a register
24735 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24736 * config/arm/arm.c: Replace use of constant 12 as a register
24737 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24739 * config/arm/elf.h: Tidy up.
24740 * config/arm/coff.h: Tidy up.
24742 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24744 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24745 * gcc/config/mips/t-iris6gld: New file.
24746 * gcc/config/mips/iris6gld.h: Likewise.
24748 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24750 * c-decl.c (widest_integer_literal_type_node,
24751 widest_unsigned_literal_type) : New.
24752 (init_decl_processing): Handle/use the two new types.
24753 * c-common.c (type_for_size,type_for_mode) : Same.
24754 * c-lex.c (yylex) : Same.
24755 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24757 * c-tree.h (widest_integer_literal_type_node,
24758 widest_unsigned_literal_type) : New.
24760 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24762 * dwarfout.c (field_byte_offset): Correctly compute the object's
24763 byte offset for the first bit of a field which crosses an alignment
24764 boundary on a !BYTES_BIG_ENDIAN target.
24766 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24768 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24771 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24772 Jeff Law <law@cygnus.com>
24774 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24777 * except.c: Include intl.h.
24778 (expand_eh_return): Set current_function_cannot_inline.
24779 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24780 * function.h (struct function): Add eh_return_stub_label.
24781 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24782 * Makefile.in (except.o): Depend on intl.h.
24784 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24786 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24787 same as offsettable in cases 1 and 2.
24789 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24791 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24792 (extlh, extwh): Likewise.
24794 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24796 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24798 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24800 * configure.in: Add arm-pe and thumb-pe targets.
24801 * configure: Regenerate.
24803 * thumb.c (arm_naked_function_p): New function: Determines if
24804 a function is naked (has no gcc generated prologue/epilogue).
24805 (is_called_in_ARM_mode): Return true if the func has the
24806 interfacearm attribute.
24807 (output_return): Do not generate a return for naked functions.
24808 (thumb_function_prologue): Do not generate a prologue for
24810 (thumb_expand_prologue): Do not generate a prologue for naked
24812 (thumb_expand_epilogue): Do not generate an epilogue for naked
24814 (arm_valid_machine_decl_attribute): New function, copied from
24815 arm.c: Permit naked and interfacearm attributes.
24817 * config/arm/pe.c: New file: Support code for arm-pe target.
24818 * config/arm/pe.h: New file: Header file for arm-pe target.
24819 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24820 * config/arm/t-thumb-pe: New file: Makefile fragment for
24823 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24825 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24826 -fPIC or -fpic is specified.
24828 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24830 * expr.c (emit_block_move): Use copy_to_mode_reg for
24831 !TARGET_MEM_FUNCTIONS case too.
24833 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24835 * configure: Rebuilt.
24836 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24837 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24838 definitions made redundant by dbxelf.h inclusion. Delete
24839 lots of definitions related to assembly output that are
24840 specific to the SOM object format.
24841 * pa.c (output_function_prologue): Do not emit the function's
24843 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24844 * pa-pro.h: Deleted.
24845 * som.h: New file with SOM specific definitions.
24846 * elf.h: New file with ELF specific definitions.
24848 * elfos.h (const_section): Output a tab before assembler directives.
24849 (ctors_section, dtors_section): Likewise.
24850 (ASM_OUTPUT_SECTION_NAME): Likewise.
24852 * pa/pa1.h: Delete unused file.
24854 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24856 * configure.in (hppa*-hp-hpux11*): New configuration.
24857 * configure: Rebuilt.
24858 * pa/pa-hpux11.h: New file.
24859 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24862 * mips.md (leasi, leadi): New patterns.
24864 * expr.c (emit_block_move): Properly handle case where one of the
24865 block move arguments has a queued increment or decrement.
24866 (clear_storage): Similarly. Fix formatting goof.
24868 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24870 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24871 semicolon from the BSD VA_LIST replacement expression.
24873 * fixinc/inclhack.sh: regen
24874 * fixinc/fixincl.x: regen
24876 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24877 now use the fixincl program.
24879 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24881 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24882 case. Also make the PIC register call_used.
24884 * m68k.h (FINALIZE_PIC): Delete.
24885 * m68k.c (finalize_pic): Delete.
24887 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24889 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24892 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24894 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24896 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24898 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24900 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24902 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24904 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24906 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24908 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24910 * rs6000.c (output_toc): Always use hex values for floating-point
24911 constants. Store single-precision values in upper-half of TOC
24912 entry in 64-bit mode.
24913 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24914 to final constraints.
24915 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24916 (fctiwz): Improve accuracy of RTL for pattern.
24918 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24920 * expr.c (expand_expr): Allow RTL_EXPR's through the
24921 MAX_INTEGER_COMPUTATION_MODE checks.
24923 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24925 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24926 such that MASK_SUPPORT_ARCH is not negative.
24928 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24930 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24931 ADDR_DIFF_VEC insns that appear inside loops.
24933 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24934 Jeff Law <law@cygnus.com>
24936 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24937 Handle LO_SUM the same as offsettable in cases 1 and 2.
24938 * rs6000.c (find_addr_reg): Revert previous patch.
24940 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24942 * system.h (strstr): New external function declaration.
24943 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24944 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24945 * config.in, configure: Rebuilt.
24947 1999-06-24 Tom Tromey <tromey@cygnus.com>
24949 * gcc.c (main): Read user-specified specs files after computing
24950 additional startfile_prefixes.
24952 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24954 Revert these two patches:
24956 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24957 * loop.c (strength_reduce): When doing biv->giv conversion, update
24958 reg note of NEXT->insn.
24960 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24961 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24963 (recombine_givs): Set ix field after sorting.
24965 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24967 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24968 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24970 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24972 *fixinc/inclhack.def: Add fix development commentary
24973 (read_ret_type): reactivate and add selection clause
24974 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24975 *fixinc/{fixincl.x|inclhack.sh}: regen
24977 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24979 * expr.c (expand_expr): STRIP_NOPS before checking against
24980 MAX_INTEGER_COMPUTATION_MODE
24981 (check_max_integer_computation_mode): Likewise.
24983 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24985 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24987 1999-06-22 Jim Wilson <wilson@cygnus.com>
24989 * expr.c (store_expr): When target is a promoted subreg, return a
24990 promoted subreg as a result.
24992 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24994 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24996 (dwarf2out_define): Mark unused parameters appropriately.
24997 (gen_unspecified_parameters_die): Ditto.
24998 (gen_subprogram_die): Fix signed/unsigned warnings.
24999 (gen_variable_die): Ditto.
25001 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25003 * fixinc/inclhack.def(end_else_label): combined else_label
25004 and endif_label and fixed the sed expression.
25005 *fixinc/{fixincl.x|inclhack.sh}: regen
25007 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25009 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25010 'x' when handling non-offsettable addresses
25012 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25014 * final.c (shorten_branches): Don't try to split an insn that has
25017 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25019 * config/mips/mips.c (symbolic_expression_p): New function.
25020 (mips_select_rtx_section): Put symbolic expressions in the
25021 data section, not the read-only data section.
25023 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25025 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25027 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25029 * collect2.c (main): Log frame table count.
25030 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25031 (scan_prog_file) [COFF]: Handle frame tables.
25033 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25034 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25035 * alpha/elf.h: Undef them again.
25036 * alpha/vms.h: Remove their definitions.
25038 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25040 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25041 remove the clobber of r0 and change the REG_UNUSED note to
25044 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25046 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25047 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25048 fits in HOST_WIDE_INT and one uses union to access a long constant
25051 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25053 * sparc.c (sparc_override_options): Don't allow profiling for
25054 code models other than medlow.
25055 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25056 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25057 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25058 (sparc_block_profiler): Likewise.
25059 (sparc_function_block_profiler_exit): Likewise.
25060 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25061 (FUNCTION_BLOCK_PROFILER): Likewise.
25062 (BLOCK_PROFILER): Likewise.
25063 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25064 (MCOUNT_FUNCTION): New.
25065 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25066 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25067 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25068 (MCOUNT_FUNCTION): New.
25069 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25070 (BLOCK_PROFILER): Delete.
25071 (MCOUNT_FUNCTION): New.
25073 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25075 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25077 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25079 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25082 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25085 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25088 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25091 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25093 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25096 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25098 * i386/djgpp.h (LIB_SPEC): New.
25099 (STARTFILE_SPEC): New.
25101 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25103 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25105 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25108 * system.h (WSTOPSIG): New macro.
25110 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25112 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25114 (insert_pack_attributes): Take into account member natural
25117 * i386/winnt.c (exports_head): New static variable.
25118 (i386_pe_record_exported_symbol): New function.
25119 (i386_pe_asm_file_end): Use.
25120 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25121 symbols to be emitted at end of assembly.
25122 (ASM_DECLARE_OBJECT_NAME): Likewise.
25123 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25125 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25128 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25130 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25133 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25135 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25136 zapping reg_last_uses directly.
25137 (sched_analyze_2, sched_analyze_insn): Likewise.
25138 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25140 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25142 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25143 attributes for cases 1 and 2.
25145 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25147 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25150 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25152 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25154 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25156 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25157 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25158 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25159 must be stacked if it is used for PIC accesses.
25160 * arm.c (use_return_insn): Handle PIC register specially.
25161 (output_return_instruction): Likewise.
25162 (output_func_{prologue,epilogue}): Likewise.
25163 (output_expand_prologue): Likewise.
25165 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25166 (*strsi_predec): Renamed from *strqi_predec.
25167 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25168 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25170 * arm.c (arm_override_options): Remove warning about PIC code
25171 not being supported.
25173 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25175 * rs6000.c (find_addr_reg): New function.
25176 * rs6000.h (find_addr_reg): Declare.
25177 (offsettable_addr_operand): Delete.
25178 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25179 from and stores to GPRs.
25181 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25183 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25184 gen_sequence as argument to emit_no_conflict_block.
25186 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25188 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25189 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25190 *fixinc/fixincl.x: regen
25191 *fixinc/inclhack.sh: regen
25193 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25195 * added support for -mpcrel (PC relative addressing for m68k)
25196 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25197 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25198 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25199 (comments for general_src_operand): Add some explanation
25200 about EXTRA_CONSTRAINTS.
25201 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25202 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25203 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25204 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25205 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25206 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25207 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25208 if not already set.
25209 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25210 * m68k.h (TARGET_PCREL): New target flag.
25211 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25212 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25213 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25214 contains a SYMBOL_REF. Relax this constraint during reload, since
25215 we want to use the predicates, not reload's built-in concept of a
25216 valid memory address, to control what insns need reloading.
25217 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25218 operands (essentially 'g', 'm', and 's' under normal circumstances).
25219 * m68k.c (print_operand): Cause printing of pc-relative addresses
25220 to include pc register.
25221 (print_operand_address): Ditto.
25222 (general_src_operand): Accept operands that are not only
25223 general_operands, but are also valid when used as a pc-relative
25225 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25226 (memory_src_operand): Similar, for memory_operands.
25227 (pcrel_address): New predicate to accept the special case of a
25228 pc-relative address.
25229 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25230 QImode insns to accept *_src_operand instead of *_operand where
25231 pc-relative operands can fit. For example, a pc-relative operand
25232 can be used as a memory source operand for addsi3, but not as a
25233 memory destination.
25234 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25236 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25238 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25239 .thumb_set pseudo op to mark aliases of thumb functions.
25241 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25243 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25244 preference to ASM_OUTPUT_DEF, if it is defined.
25246 * tm.texi: Document new, optional target macro
25247 ASM_OUTPUT_DEF_FROM_DECLS.
25249 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25251 * fixincludes: ISCNTL patch
25252 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25253 (dgux_int_varargs): new for DG/UX
25254 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25256 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25258 * invoke.texi (ia32 options): Fix typo.
25260 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25262 * loop.c (strength_reduce): When doing biv->giv conversion, update
25263 reg note of NEXT->insn.
25265 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25267 * loop.c (move_movables): Note issues with replacing REGs with
25269 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25271 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25273 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25275 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25276 the reference to `mcount' was not correct for the ELF on FreeBSD.
25278 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25280 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25283 (recombine_givs): Set ix field after sorting.
25285 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25287 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25288 to safe to extract a subword out of a REG.
25290 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25292 * sh.md (mulsi3): Don't add a no-op move at the end.
25294 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25296 * cse.c (cse_insn): Don't put hard register source into tables for
25297 the last insn of a libcall.
25299 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25301 * loop.c (strength_reduce): Insert sets of derived givs at every
25302 biv increment, even if it's the only one.
25304 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25306 * dwarfout.c (add_incomplete_type): New fn.
25307 (output_type): Call it.
25308 (retry_incomplete_types): New fn.
25309 (dwarfout_finish): Call it.
25311 From Eric Raskin <ehr@listworks.com>:
25312 (output_type): Output types for bases.
25314 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25316 * mips.c (mips_output_conditional_branch): Add `break'
25317 between `default' label and `close braces'.
25319 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25321 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25322 specifications and make it realistic.
25323 (LIB_SPEC): Likewise.
25325 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25327 * config/mips/mips.c (mips_secondary_reload_class): Check for
25328 (PLUS (SP) (REG)) and return appropriate register class.
25329 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25330 Handle (PLUS (SP) (REG)).
25331 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25332 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25333 of emit_insn for tablejump.
25335 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25337 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25338 asm_fprintf format string by itself.
25339 (output_function_profiler): Likewise.
25341 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25343 * combine.c (simplify_logical, case AND): Only call
25344 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25345 or the constant is positive.
25347 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25349 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25350 * configure: Regenerate.
25352 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25354 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25355 require a sub-version #.
25356 * configure: Rebuilt.
25358 1999-06-14 Robert Lipe (robertlipe@usa.net)
25360 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25362 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25364 * c-typeck.c (process_init_element): Detect excess elements in
25365 char array initializer.
25367 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25369 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25371 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25373 * invoke.texi (Option Summary): Add -fpermissive flag.
25375 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25377 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25378 that require PIC code sequences.
25380 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25382 * configure.in: Add new target: thumb-elf.
25383 * configure: Regenerate.
25384 * config/arm/t-thumb-elf: New file: Makefile fragment for
25386 * config/arm/telf.h: New file: Header file for thumb-elf
25389 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25391 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25392 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25393 initializers is some circumstances.
25395 * fixinc/inclhack.def (endif_label): Add additional selector for
25396 more bogus stuff after #endif statements.
25397 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25399 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25401 * i386/cygwin.h (SET_ASM_OP): Define.
25403 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25405 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25407 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25409 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25412 * sh.md (ic_invalidate_line_i): Remove second alternative.
25414 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25416 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25417 test for the presence of valid prototypes. Delete bypass expr.
25418 (ioctl_fix_ctrl): Correct the selection expression.
25419 (no_double_slash): Correct quoting rules
25420 *fixinc/fixincl.x: regen
25421 *fixinc/inclhack.sh: regen
25423 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25425 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25427 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25429 * rs6000.md (movsi_got_internal_mem): Delete.
25430 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25431 (GOT_TOC_REGNUM): Delete.
25432 (PIC_OFFSET_TABLE_REGNUM): Define.
25433 (FINALIZE_PIC): Disable.
25434 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25435 (rs6000_replace_regno): Delete.
25436 (rs6000_finalize_pic): Likewise.
25437 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25439 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25441 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25442 is a note; use <= for the compare; advance P while it is
25445 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25447 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25448 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25450 * varasm.c (remove_from_pending_weak_list): Verify t->name
25451 is non-NULL before passing it to strcmp.
25453 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25455 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25456 the typed arguments are not part of a comment
25457 (ioctl_fix_ctrl): Added a purpose comment
25458 *fixinc/fixincl.x: regenerate
25459 *fixinc/inclhack.sh: regenerate
25461 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25463 * invoke.texi: Add C4x invocation docs.
25465 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25467 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25469 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25471 (c4x_legitimize_reload_address): New function.
25472 * config/c4x/c4x.md: Update docs.
25474 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25476 * fixincludes: Avoid removing '.'.
25477 * fixinc/fixinc.svr4: Likewise.
25478 * fixinc/fixinc.winnt: Likewise.
25479 * fixinc/inclhack.tpl: Likewise.
25480 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25482 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25484 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25486 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25488 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25490 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25493 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25495 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25496 * configure: Regenerate.
25498 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25500 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25503 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25505 * fixinc/inclhack.def (avoid_bool): Also catch
25506 "typedef [unsigned] int bool".
25507 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25509 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25510 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25511 * configure: Rebuilt.
25513 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25515 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25516 such that we can override its definitions if necessary.
25517 (CPP_SPEC): New define. Support processor specific predefines via
25519 (CC1_SPEC): New define. Support processor specific compiler
25520 options via %(cc1_cpu).
25521 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25524 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25526 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25527 between sed's -e flag, and the open-quote following it.
25528 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25530 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25531 Jeffrey A Law (law@cygnus.com)
25533 * varasm.c (assemble_start_function): Remove the function
25534 from the pending weak decls list when we define a function.
25535 (assemble_variable): Similarly for variables.
25536 (weak_finish): Ignore items on the list with a NULL name.
25537 (remove_from_ending_weak_list); New function to "remove" an item
25538 from the pending weak declarations list.
25540 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25542 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25544 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25546 * c-lex.c (GETC): Redefine to call getch.
25547 (UNGETC): Redefine to call put_back.
25548 (putback_buffer): New structure type.
25549 (putback): New static structure.
25550 (getch): New function.
25551 (put_back): New function.
25552 (yylex): Replace unused bytes from bad multibyte character.
25554 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25556 * cpplib.c (do_define): Cast `alloca' return value.
25557 (do_include, do_undef, do_pragma): Likewise.
25558 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25560 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25561 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25563 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25565 * sparc.md (abstf2): This should be an expand.
25566 (split after abstf2_notv9): Fix mode.
25567 (abstf2_hq_v9): New pattern.
25568 (abstf2_v9): Only use when no hard quad.
25569 (absdf2_v9): Fix if target is not the same as source.
25570 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25571 Add correct output constraints.
25573 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25575 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25576 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25578 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25580 * mips.h (mips_output_conditional_branch): New function.
25581 (mips_adjust_insn_length): Likewise.
25582 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25583 (ADJUST_INSN_LENGTH): Likewise.
25584 * mips.c (print_operand): Add `F' and `W' for floating-point
25585 comparison opcodes.
25586 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25588 (mips_adjust_insn_length): New function.
25589 (mips_output_conditional_branch): New function.
25590 * mips.md (length): Adjust attribute definition to handle
25591 conditional branches. Change lengths to bytes, rather than
25592 instructions throughout. Remove length attribute from
25593 instructions whose length is four bytes, and rely on the default
25595 (dslot): Fix typo in comment.
25596 Reword conditional branch patterns to use
25597 mips_output_conditional_branch.
25599 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25601 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25602 (LIB_SPEC): Likewise.
25603 Link with -lprof1_r for -g/-pg.
25605 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25607 * loop.c (check_dbra_loop): Fix change of Jan 19.
25609 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25611 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25612 (STARTFILE_SPEC): Define, override the svr4.h version.
25613 (ENDFILE_SPEC): Likewise.
25615 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25617 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25618 * fixinc/fixincl.x: Regenerated.
25619 * fixinc/inclhack.sh: Regenerated.
25621 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25623 * sh.c (barrier_align): Don't return early for normal branch/barrier
25624 when optimizing for SH2.
25626 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25628 * i386/udk.h (LINK_SPEC): Correct linker search path for
25631 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25633 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25634 (braf_label_ref_operand): Delete.
25635 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25636 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25637 label_ref, and has no predicate.
25638 The patten has a predicate to guard against invalid substitutions.
25639 (dummy_jump): Delete.
25640 (casesi): Update use of casesi_jump_2.
25642 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25644 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25645 *fixinc/fixincl.x: regenerate
25646 *fixinc/inclhack.sh: regenerate
25648 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25650 * dwarf2out.c (add_incomplete_type): New fn.
25651 (gen_struct_or_union_type_die): Call it.
25652 (retry_incomplete_types): New fn.
25653 (dwarf2out_finish): Call it.
25655 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25657 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25658 current block starts with a CODE_LABEL and ends with a CALL and
25659 we can not find all the argument setup instructions for the CALL.
25661 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25663 Revert this change:
25664 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25665 something is a candidate for optimize_bit_field_compare.
25667 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25669 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25671 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25673 * alpha.c (override_options): Thinko in last patch.
25675 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25676 (LIB_SPEC): Recognize -pthread.
25678 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25680 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25681 definition in config/arm/coff.h
25682 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25684 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25686 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25687 fixes that need "file=xxx\n" prepended before invocation
25688 (start_fixer - new): starting the fixer process is complex enough
25689 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25690 (process): uses the new routine; omit usage of putenv()
25691 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25692 * fixinc/fixincl.x: regenerate
25694 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25696 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25697 and version #s (1.1 -> 2.96) as needed.
25698 * README.g77: Kill way out of date file in the toplevel directory.
25700 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25702 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25703 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25704 * configure: Rebuilt.
25705 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25706 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25707 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25708 (SWITCH_TAKES_ARG): Likewise.
25709 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25710 * config/t-freebsd: Moved from config/i386/ so it can used for all
25713 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25715 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25717 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25719 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25720 * configure: Rebuilt.
25722 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25724 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25725 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25726 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25727 (rs6000_output_load_toc_table): Same.
25728 (output_prolog, output_mi_thunk): Same.
25729 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25730 (ASM_GLOBALIZE_LABEL): Use putc.
25732 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25734 * alpha.md (reload_*_help): New patterns and splitters.
25735 (reload_*): Use them.
25736 (mov[qh]i): Likewise.
25738 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25740 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25743 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25745 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25747 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25749 * flow.c (mark_regs_live_at_end, insn_dead_p,
25750 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25751 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25752 hasn't run or the frame pointer is needed.
25753 * haifa-sched.c (attach_deaths): Likewise.
25754 * sched.c (attach_deaths): Likewise.
25756 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25758 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25759 calculate_can_reach_end returns nonzero.
25761 * configure.in (native gas tests): Search for an assembler in the
25762 same manner that the installed compiler will.
25763 * configure: Rebuilt.
25764 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25766 * alias.c (find_base_term): Improve handling of addresses
25767 constructed from binary operations.
25769 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25771 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25773 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25775 * function.h (cleanup_label, frame_offset): Declare.
25776 (tail_recursion_label, tail_recursion_reentry): Likewise.
25777 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25778 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25779 (tail_recursion_label, tail_recursion_reentry): Likewise.
25780 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25782 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25784 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25786 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25787 (MAX_OFILE_ALIGNMENT): Define.
25789 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25791 * fixincl.c: Replace local include scheme with #includes of
25792 gansidecl.h and system.h.
25793 * procopen.c: Likewise.
25794 * server.c: Likewise.
25796 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25798 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25799 (crti.o): Add build rule and dependencies.
25800 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25802 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25804 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25805 (LIB_LINUX_SPEC): Likewise.
25806 (LIB_LINUX_SPEC): Add support for -pthread
25807 (CPP_OS_LINUX_SPEC): Likewise.
25808 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25811 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25813 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25815 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25816 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25817 for IEEE math and CC_FCOMI.
25818 (put_jump_code): No IEEE if CC_FCOMI is set.
25820 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25822 * fold-const.c (fold_truthop): Make the field reference unsigned
25823 when converting a single bit compare.
25825 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25827 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25829 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25831 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25832 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25835 * reload.c (push_reload): Do not call remove_address_replacements
25836 when presented with identical optional reloads.
25838 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25840 * alpha.h (MASK_FIX, TARGET_FIX): New.
25841 (MASK_*): Reorganize constants.
25842 (CPP_AM_FIX_SPEC): New.
25843 (TARGET_SWITCHES): Add FIX.
25844 (EXTRA_SPECS): Likewise.
25845 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25846 (SECONDARY_MEMORY_NEEDED): Likewise.
25847 (REGISTER_MOVE_COST): Likewise.
25848 * alpha.c (override_options): Add FIX support. Always use
25849 ALPHA_TP_PROG for ev6.
25850 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25851 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25852 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25854 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25856 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25857 something is a candidate for optimize_bit_field_compare.
25859 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25861 * gcc.texi (Passes): Document branch-shortening.
25862 * invoke.texi (Debugging Options): Document the fact that `-dp'
25863 outputs length information for instructions.
25865 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25867 * flow.c: Revert previous delta.
25869 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25871 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25872 FRAME_POINTER_REGNUM.
25873 (mark_set_1): Ditto.
25874 (mark_used_regs): Ditto.
25876 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25878 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25879 (GOT_PCREL): New macro. Define to 1 if not already defined.
25880 * arm/elf.h (GOT_PCREL): Define to 0.
25881 * arm.c (arm_finalize_pic): Take into account the setting of
25884 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25886 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25887 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25889 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25890 store elimination candidates.
25892 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25894 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25897 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25899 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25900 Add use of x-aix41-gld.
25902 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25904 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25905 (ASM_OUTPUT_DESTRUCTOR): Define.
25907 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25909 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25910 last CODE_LABEL in a loop if we have previously passed a jump
25911 to the top of the loop.
25913 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25915 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25916 applying Philip's patch.
25918 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25920 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25923 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25925 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25927 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25929 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25930 Also remove a useless comment.
25932 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25934 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25936 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25938 * collect2.c (main): Only generate import or export file and add
25939 to link arguments if non-empty. Use xmalloc not alloca.
25940 (write_{export,import}_file): Delete.
25941 (write_aix_file): New function.
25942 (locatelib): Use xmalloc not malloc.
25943 (GCC_OK_SYMBOL): Do not check type if aix64.
25945 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25947 Based on patch by Scott Bambrough and Pat Beirne:
25948 * config/arm/arm.c (making_const_table): New variable.
25949 * config/arm/arm.h (making_const_table): Declare.
25950 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25952 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25953 Keep track of when we are building the constant table.
25955 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25957 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25960 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25962 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25965 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25967 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25970 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25972 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25974 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25976 * rs6000.c (output_mi_thunk): Enable full support again.
25978 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25980 * sh.h (BRANCH_COST): Define.
25982 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25984 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25986 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25988 * function.c (assign_stack_local): Align stack slot propertly.
25989 (assign_outer_stack_local): Likewise.
25991 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25993 * expr.h (lang_expand_constant): Declare.
25994 * toplev.c (lang_expand_constant): Define it.
25995 * varasm.c (output_constant): Use it.
25997 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25999 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26000 Change function definitions to K&R style.
26002 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26004 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26006 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26008 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26009 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26010 (several places): omit static initialization
26011 (process): use single fd, since only the read fd is used
26012 * fixinc/gnu-regex.c: define 'const' away, if not supported
26013 * fixinc/procopen.c(several places): omit static initialization
26014 * fixinc/server.c: define 'volitile' away, if not supported
26016 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26018 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26019 asm_fprintf and %L to generate the label name.
26020 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26021 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26023 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26025 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26026 insn for a conditional jump can not be found.
26028 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26030 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26031 on variables in specific sections other than .sbss and .sdata.
26033 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26035 * stmt.c (expand_return): Call start_cleanup_deferral and
26036 end_cleanup_deferral around conditional code.
26038 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26040 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26041 filename lists. Utilizes new "krstr" AutoGen function.
26042 * fixinc/fixincl.x: Rebuilt.
26044 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26046 * i386.c (output_float_compare): Avoid GNU-C extensions.
26048 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26050 * version.c: Bump to distinguish mainline tree from the
26053 See ChangeLog.1 for earlier changes.