1 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
4 the CALL_INSN, and emit the note immediately after it.
6 2000-02-10 Nick Clifton <nickc@cygnus.com>
8 * config/arm/thumb.md (epilogue): Include a (return) in the
9 generated insn, and emit it using emit_jump_insn not
12 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14 * function.c (assign_temp): Change zero-sized arrays to size 1.
15 * integrate.c (expand_inline_function): Do not update
16 stack_alignment_needed
17 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
18 add some sanity checking, remove optimization for function with
21 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * flow.c (mark_regs_live_at_end): Delete unused variables.
25 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
27 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
28 in macro FRAME_GROWS_DOWNWARD.
30 * stmt.c (expand_end_bindings): Delete unused variable.
32 * unroll.c (iteration_info): Mark parameter `loop' with
35 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
37 * fixinc/server.c (load_data): Return NULL if the marker line is
39 (run_shell): If load_data returns NULL, retry the command once, in
44 2000-02-09 Bruce Korb <bkorb@gnu.org>
46 * gcc/fixincludes: ** DELETED **
47 * gcc/fixcpp: ** DELETED **
48 * gcc/fixinc-nt.sed: ** DELETED **
49 * gcc/just-fixinc: ** DELETED **
50 * gcc/Makefile.in: Removed out-dated commentary
51 * gcc/configure.in: Removed fast-fixincludes disablement.
52 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
54 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
55 * function.c (thread_prologue_and_epilogue_insns): Uncomment
58 2000-02-09 Richard Henderson <rth@cygnus.com>
60 * jump.c (delete_insn): Don't delete user labels at -O0.
62 2000-02-09 Robert Lipe <robertl@sco.com>
64 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
65 Don't link with HOST_LIBS.
67 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
69 * configure.in: Correct --help text for --with-dwarf2.
70 Put tm-dwarf2.h after other tm files, if it's requested.
71 * configure: Regenerate.
72 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
75 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
77 * cpplib.h: Provide HASHNODE typedef and forward decl of
78 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
79 DEFINITION, struct hashnode, struct macrodef, struct
80 definition, scan_decls prototype, default defn of
81 INCLUDE_LEN_FUDGE moved elsewhere.
83 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
84 definition, and struct hashnode moved here. Remove the unused
85 'predefined' field from struct definition. Replace the 'args'
86 union with its sole member. All users updated (cpphash.c).
87 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
88 multiple include guard.
90 * cpphash.c (hashf): Make static; use better algorithm; drop
91 HASHSIZE parameter; return an unsigned int.
92 (cpp_lookup): Drop HASH parameter. PFILE parameter is
93 used. Calculate HASHSIZE modulus here.
94 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
96 (create_definition): Drop PREDEFINITION parameter.
97 * cpplib.c (do_define): Don't calculate a hash value here.
98 Don't pass (keyword == NULL) to create_definition.
100 * scan.h: Prototype scan_decls here.
101 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
102 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
103 callers of cpp_lookup and cpp_install updated.
105 * cpphash.c (macarg): Hoist all the flag diddling out of the
107 (macroexpand): ... and out of the loop that calls macarg.
108 Skip over the initial paren before macro arguments with
109 cpp_get_non_space_token; point may be some distance before
110 that paren. Abort if it's not there.
112 * cpplib.c (parse_clear_mark): Delete function.
113 (parse_set_mark, parse_goto_mark): Make static.
114 (ACTIVE_MARK_P): New macro.
115 (skip_block_comment, skip_line_comment): Do not bump the line
116 if ACTIVE_MARK_P is true.
117 (cpp_pop_buffer): The buffer to be popped may not have an
119 (cpp_get_token): When looking for the initial paren before
120 macro arguments, only set a mark in a file buffer, Always
121 return to that mark before proceeding to call macroexpand or
124 * cpplib.h: Remove prototypes of parse_set_mark,
125 parse_clear_mark, parse_goto_mark.
126 (struct cpp_options): Rename 'put_out_comments' to
127 'discard_comments' and invert its sense.
128 * cppinit.c, cpphash.c, cpplib.c: All users of
129 put_out_comments changed to use discard_comments, with
132 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
134 * function.c (thread_prologue_and_epilogue_insns): Don't delete
135 the edge from a block that both jumps and falls through to the
138 2000-02-09 Scott Bambrough <scottb@netwinder.org>
140 * config/arm/arm.md (movsi): In PIC mode, make sure that a
141 constant source address is legitimate.
143 2000-02-09 Philip Blundell <pb@futuretv.com>
145 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
148 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
150 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
152 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
154 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
155 ends with a newline and a NUL. Don't be so clever manipulating
158 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
160 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
161 not to BIGGEST_ALIGNMENT.
163 2000-02-08 Geoff Keating <geoffk@cygnus.com>
165 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
166 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
167 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
168 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
169 * frame.c (execute_cfa_insn): Handle
170 DW_CFA_GNU_negative_offset_extended.
172 2000-02-08 Richard Henderson <rth@cygnus.com>
174 * flow.c (tidy_fallthru_edges): Split out from ...
175 (delete_unreachable_blocks): ... here.
176 (find_basic_blocks): Use it.
178 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
180 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
182 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
184 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
185 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
186 (fix-header.o): Don't depend on cpphash.h.
188 * scan.c (hashstr): New function.
189 * scan.h: Prototype it.
190 * fix-header.c: Don't include cpphash.h. Use hashstr.
191 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
192 hashstr. Report hash table statistics. Add private
193 definition of xrealloc.
195 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * i386.h (TARGET_SWITCHES): Fix typo in option name.
199 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
201 * function.c (thread_prologue_and_epilogue_insns): Don't replace
202 jumps with returns unless they are jumps to the fallthru block.
204 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
206 * i386.md (addqi3_cc): Fix contraints.
208 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
210 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
212 2000-02-07 Mark Mitchell <mark@codesourcery.com>
214 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
215 carriage return after a macro name.
217 2000-02-07 Fred Fish <fnf@be.com>
219 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
220 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
222 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
224 * cppfiles.c (deps_output): Count spacers in deps_column.
226 2000-02-07 Neil Booth <NeilB@earthling.net>
228 * cppinit.c (initialize_dependency_output): If there is no
229 suffix, don't try to look for known suffixes. Use strrchr.
230 (cpp_start_read): Remove duplicate initialization.
232 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
234 * calls.c (compute_argument_block_size): New argument
235 preferred_stack_boundary.
236 (expand_call): update cfun->preferred_stack_boundary, update call of
237 compute_argument_block_size
238 (emit_library_call): Increate cfun->preferred_stack_boundary
239 to PREFERRED_STACK_BOUNDARY
240 (emit_library_call_value): Likewise.
241 * explow.c (allocate_dynamic_stack_spave): Likewise.
242 * function.c (prepare_function_start): Set
243 cfun->preferred_stack_boundary
244 * function.h (struct function): Add preferred_stack_boundary field.
245 * integrate.c (expand_inline_function): Update
246 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
247 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
248 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
250 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
252 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
253 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
254 cpp_pedwarn, cpp_pedwarn_with_line,
255 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
256 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
257 v_cpp_error_with_line, v_cpp_warning_with_line,
258 cpp_message_from_errno, cpp_perror_with_name): Delete.
260 * cpperror.c (cpp_print_containing_files): Take starting
262 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
263 (v_cpp_message): Now called directly by all entry points.
265 (cpp_pfatal_with_name, cpp_message): Delete.
266 (cpp_notice_from_errno, cpp_ice): New functions.
267 (cpp_notice): Is now for reporting error conditions, just
268 without an associated file.
269 (cpp_error, cpp_error_with_line): Don't do anything if
270 opts->inhibit_errors is on.
271 (cpp_pedwarn_with_file_and_line): Take column argument also.
273 * cpplib.h: Update prototypes of exported functions.
274 (struct cpp_options): Add inhibit_errors.
276 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
277 non-error messages. Include intl.h.
279 * cppinit.c, cppmain.c: Likewise. Also, use
280 cpp_notice_from_errno instead of cpp_perror_with_name or
281 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
283 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
284 report internal errors.
286 * cpplib.c (do_define): Switch bcopy to memcpy.
287 Give cpp_pedwarn_with_file_and_line a dummy column argument.
289 * cpplib.c (copy_rest_of_line): Revert previous change: don't
290 bail out early if we hit a line comment.
292 2000-02-06 Richard Henderson <rth@cygnus.com>
294 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
295 * basic-block.h: Declare them.
296 * emit-rtl.h (active_insn_p): New.
297 (next_active_insn, prev_active_insn): Use it.
299 * function.c (emit_return_into_block): New.
300 (thread_prologue_and_epilogue_insns): Insert return insns instead
301 of epilogues when possible.
302 * jump.c (jump_optimize_1): Remove code to insert a return insn
303 on the fallthru to the exit block.
305 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
306 and for non-empty stack frames.
307 * i386.md (return): Expand to return-pop as needed.
309 2000-02-06 Richard Henderson <rth@cygnus.com>
311 * simplify-rtx.c (simplify_relational_operation): Canonicalize
312 constant to op1 for testing.
314 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
316 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
317 (fixuns_truncqfqi2): Use it.
319 2000-02-06 Richard Henderson <rth@cygnus.com>
321 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
324 * i386.md (widening and peepholes): Mask the constant instead of
327 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
329 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
330 input pointer before possibly branching off to the backslash
332 * cpphash.c (macroexpand): Correctly delete \r escapes when
333 stringifying parameters.
334 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
335 if we can; bail out early if we hit a line comment.
336 (handle_directive): Treat '# 123' in an .S file just like
337 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
338 Return 1 for '# not_a_directive'.
339 (get_directive_token): Pop macro buffers here, so that
340 cpp_get_token can't sneakily move past a newline.
342 (cpp_get_token): goto randomchar if handle_directive returns 0.
344 * cppalloc.c: Update copyright.
345 * cpplib.c: Merge all the static function prototypes into one
347 * cpplib.h: Remove #if 0 block.
349 * cpperror.c: Remove #ifdef EMACS block.
350 * cppmain.c: Likewise.
351 * cpphash.c: Remove #if 0 blocks.
352 * cppinit.c: Remove #if 0 blocks, and the -lint option.
353 * cpplib.c: Remove #if 0 blocks and code referencing
354 pcp_inside_if or for_lint. Remove duplicate error message.
355 Fix error messages for #else after #else or #elif. Reformat.
356 Remove archaic TODO list.
357 * cpplib.h: Remove pcp_inside_if and for_lint flags.
359 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
361 * i386/osf1elf.h: Add missing backslash to multiline string.
363 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
365 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
367 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
369 * Makefile.in (c-common.o): Depend on $(EXPR_H).
371 * c-common.c: Include expr.h.
373 * c-pragma.c (mark_align_stack): Add prototype.
375 * caller-save.c (add_stored_regs): Likewise.
377 * combine.c (record_promoted_value): Likewise.
379 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
382 * cppinit.c (new_pending_define): Likewise.
384 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
386 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
387 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
388 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
389 class_scope_p): Likewise.
391 * dwarf2out.h (dwarf2out_set_demangle_name_func,
392 dwarf2out_add_library_unit_info): Likewise.
394 * ggc.h (ggc_page_print_statistics): Likewise.
396 * haifa-sched.c (propagate_deps): Likewise.
398 * reg-stack.c (next_flags_user, record_label_references): Likewise.
400 * rtl.h (set_stack_check_libfunc): Likewise.
402 * toplev.h (set_fatal_function): Likewise.
404 * toplev.c (set_fatal_function): Delete prototype.
406 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
408 2000-02-05 Geoff Keating <geoffk@cygnus.com>
410 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
411 (FUNC_END): Likewise.
413 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
415 * caller-save.c: Include tm_p.h.
417 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
419 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
421 2000-02-04 Neil Booth <NeilB@earthling.net>
423 * cccp.c (main): Check 'dir' for a NULL pointer before passing
426 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
428 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
429 * genflags.c: Use the max_operand_1 logic from genemit.c to
430 calculate how many arguments gen_insn prototypes have. Remove
431 NO_MD_PROTOTYPES ifdefs from the generated file.
432 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
433 file. Cast gen_insn initializers to insn_gen_fn.
434 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
435 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
437 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
439 * fixinc/Makefile.in (HDR): Add machname.h.
442 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
444 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
445 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
446 (c4x_cpu_version): Ditto.
447 * config/c4x/c4x-protos.h: ... here.
449 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
451 * dwarf2out.c (add_abstract_origin_attribute): Don't call
452 gen_abstract_function on our context if we're a nested function.
454 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
456 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
457 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
459 2000-02-04 Bruce Korb <bkorb@gnu.org>
461 * fixinc/genfixes(machname.h):
462 Move the functionality from gen-machine.h into this file.
463 UNdef MN_NAME_PAT if there are no names to change.
464 Also, be a little kinder when AutoGen is not present.
466 * fixinc/Makefile.in(machname.h):
467 Change the generation rule to use genfixes.
469 * fixinc/fixfixes.c(machine_name):
470 machine_name_fix's functionality now dependent upon whether
471 MN_NAME_PAT is defined.
473 * fixinc/fixtests.c(machine_name):
476 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
479 * fixinc/fixlib.h(mn_get_regexps):
482 * fixinc/gen-machine.h: DELETED
484 2000-02-04 Jan Hubicka <jh@suse.cz>
485 Richard Henderson <rth@cygnus.com>
487 * i386.c (SAVE_REGS_FIRST): Remove.
488 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
489 (ix86_compute_frame_size): Likewise.
490 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
491 (ix86_emit_restore_regs): Remove.
492 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
493 when a frame pointer is in use.
494 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
495 instead of pop to restore a register when profitable; emit leave
497 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
499 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
500 * i386.md (prologue_allocate_stack): Remove.
501 (epilogue_deallocate_stack): Remove.
502 (pro_epilogue_adjust_stack): New.
504 2000-02-04 Richard Henderson <rth@cygnus.com>
506 * function.c (diddle_return_value): Rework to use a callback function.
507 Use current_function_return_rtx if it's been set up.
508 (do_clobber_return_reg, clobber_return_register): New.
509 (do_use_return_reg, use_return_register): New.
510 (expand_function_end): Use them.
511 * stmt.c (expand_null_return): Likewise.
512 * function.h: Declare them.
513 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
514 (mark_reg): Change arguments as appropriate for callback.
515 * integrate.c (expand_inline_function): Revert 19 Jan change.
517 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
519 * tm.texi (Values in Registers): Fix typo: "fo" "for".
520 (Misc): Say the scheduler, not the Haifa scheduler.
522 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
524 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
525 when in_mem is set. Update all callers.
527 2000-02-04 Richard Henderson <rth@cygnus.com>
529 * i386/openbsd.h (INT_ASM_OP): Define.
531 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
533 * tm.texi: Fix various typos.
535 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
537 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
538 (MD_STARTFILE_PREFIX_1): New macro.
540 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
542 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
543 destination when needed.
544 (strmovsi, strsetsi): New expander.
545 (strmovsi_1, strsetsi_1): New pattern.
546 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
547 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
548 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
549 * invoke.texi (align-stringops, inline-all-stringops): Document.
551 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
553 * i386/netbsd.h (INT_ASM_OP): Define.
555 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
557 * cpplib.h (cpp_reader): Add new flag, no_directives.
558 * cpphash.c (macarg): Set it.
559 * cpplib.c (handle_directive): If no_directives is on and we
560 find a directive, issue an error and discard the line.
562 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
564 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
565 FP constants. Add ! TARGET_FPU check for FP constants.
567 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
569 * flow.c (find_basic_blocks): Don't kill label_value_list
571 (cleanup_cfg): Kill it here.
573 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
575 * expr.c (store_field): Ensure ALIGN is no stricter than the
578 2000-02-02 Richard Henderson <rth@cygnus.com>
580 * jump.c (delete_insn): Partially revert 19 Jan change;
581 don't convert unused code labels to notes at -O0.
583 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
585 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
586 split_all_insns to recreate REG_LABEL notes for flow2 pass.
588 2000-02-01 Richard Henderson <rth@cygnus.com>
590 * i386.c (general_no_elim_operand): New.
591 (nonmemory_no_elim_operand): New.
592 (ix86_expand_move): Copy eliminable operands before a push.
593 * i386-protos.h: Declare new functions.
594 * i386.h (CAN_ELIMINATE): Simplify.
595 (PREDICATE_CODES): Update.
596 * i386.md (push insns): Don't allow eliminable register operands.
598 2000-02-01 Richard Henderson <rth@cygnus.com>
600 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
601 replace BLKmode with DECL_RTL's mode.
603 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
605 * frame.c (find_fde): Convert for loop to do-while so compiler
606 sees it's always executed at least once.
607 * libgcc2.c (BBINBUFSIZE): Kill.
608 (__bb_init_prg): Use fgets.
609 (__bb_exit_trace_func): Don't paste strings.
610 * unroll.c (unroll_loop): Initialize unroll_type, not
611 unroll_number, and tweak logic to match.
613 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
615 (ix86_flags_dependant): Likewise. Disentangle control flow.
616 (ix86_sched_reorder): Break guts out to
617 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
618 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
621 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
622 use string concatenation. Don't save and restore esi.
624 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
625 (machname.h): Remove script to separate file. Use two-step
626 sequence so target is not created if script fails.
627 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
628 identifiers are defined.
629 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
630 an empty string, machine_name doesn't need to do anything at
632 (is_cxx_header): Add more cases to regexp.
633 * fixinc/fixlib.h: Update prototype.
634 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
636 * fixinc/fixincl.c: Define NO_BOGOSITY.
638 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
639 (hp_sysfile): Add missing comma.
640 (math_exception): Put the wrapper ifdefs at the beginning and
642 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
644 2000-02-01 Richard Henderson <rth@cygnus.com>
646 * sparc.c (fp_zero_operand): Turn into a normal predicate.
647 Use CONST0_RTX. Update all callers.
648 * sparc.h, sparc-protos.h: Update accordingly.
649 * sparc.md (fp mov insns): Use fp_zero_operand directly
652 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
654 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
657 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
659 * Makefile.in (specs.ready): New target.
660 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
662 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * fixinc.irix: Use unique filenames for writing into /tmp,
665 * fixinc.ptx: Likewise.
666 * fixinc.sco: Likewise.
667 * fixinc.svr4: Likewise.
668 * fixinc.winnt: Likewise.
670 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * tsystem.h: New file.
674 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
675 s-crtS): Depend on tsystem.h.
677 * crtstuff.c: Include tsystem.h.
679 * libgcc2.c: Likewise.
681 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
683 * builtins.c (expand_builtin_memset): Expand for variable sized
686 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
688 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
691 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
693 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
695 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
697 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
699 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
700 case 3->2 combining (combining with splitting) in which 2 is CC0
701 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
702 checked at the begining of the function with the aid of calling
703 function 'can_combine_p'.
705 2000-01-31 Dave Brolley <brolley@redhat.com>
707 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
709 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
711 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
714 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
716 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
718 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
721 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
723 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
724 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
725 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
726 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
727 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
728 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
729 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
730 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
731 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
732 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
734 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
735 Add %(cpp_cpu) to CPP_SPEC.
737 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
738 Add %(cc1_cpu) to CC1_SPEC.
740 2000-01-28 Ulrich Drepper <drepper@redhat.com>
742 * c-decl.c (c_decode_option): Accept optional numeric argument to
743 -Wformat and set warn_format.
744 * c-common.c: Don't emit warning about non-constant printf format
745 string unless warn_format > 1.
747 2000-01-30 Richard Henderson <rth@cygnus.com>
749 * alpha.md (return_internal): Allow after reload only.
751 2000-01-30 Richard Henderson <rth@cygnus.com>
753 * i386.c (ix86_compute_frame_size): Omit padding1 if the
754 local frame size is zero.
756 2000-01-30 Richard Henderson <rth@cygnus.com>
758 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
759 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
760 * alpha.md (return): Turn into an expander.
761 (return_internal): Don't use $26.
762 (epilogue): Emit the return insn.
764 2000-01-30 Richard Henderson <rth@cygnus.com>
766 * alpha.md (negtf2, abstf2): Fix word order thinko.
768 (trunctfsf2): Avoid intermediate rounding errors.
770 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
772 * cppfiles.c (find_position): Drop 'colp' argument, return the
774 (read_and_prescan): Adjust to match. Don't ever manipulate
775 line or line_base except via find_position.
777 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
779 * c-parse.in: Apply Ulrich's changes from c-parse.y.
780 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
783 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
785 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
786 just print "<command line>". If 'filename' is null or an
787 empty string, print "<stdin>" for the filename.
788 * cpplib.c (do_define): Don't print the 'location of the
789 previous definition' message if we're still parsing the
791 (cpp_pedwarn_with_file_and_line): Always call
792 cpp_file_line_for_message.
794 2000-01-29 Mark Mitchell <mark@codesourcery.com>
796 * flow.c (mark_regs_live_at_end): Fix typo.
798 2000-01-28 Ulrich Drepper <drepper@redhat.com>
800 * c-common.c: Adjust variable names, comments, help strings to c99.
802 * c-parse.y: Likewise.
803 * c-tree.h: Likewise.
805 * cpplib.h: Likewise.
806 * c-decl.c: Likewise. Recognize options with names "*99" as well.
807 * cppinit.c: Likewise.
809 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
811 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
812 * c4x.c: Define the optab rtx values.
813 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
814 (c4x_emit_libcall): Use new optab rtx values.
815 (c4x_emit_libcall3): Likewise.
816 (c4x_emit_libcall_mulhi): Likewise.
817 * c4x-protos.h: Add prototypes for optab rtx values and change
818 prototypes for above c4x_emit_libcall functions.
820 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
822 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
824 (c4x_function_prologue): Use regnames intead of float_reg_names when
826 (c4x_function_epilogue): Likewise.
827 (c4x_print_operand): Likewise.
828 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
829 * c4x.md (set_high): Disable for TARGET_TI.
831 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
833 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
834 of framepointer + constant to ADDR_REGS class.
835 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
836 * c4x.c (std_or_reg_operand): New function.
837 * c4x-protos.h (std_or_reg_operand): Prototype it.
839 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
841 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
842 object names as libgcc2.c.
843 * libgcc.S: Use newly defined names.
845 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
846 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
848 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
849 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
850 (FLOW_LOOP_LAST_BLOCK): Likewise.
852 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
854 * basic-block.h (struct loop): New fields 'first' and 'last'.
855 * flow.c (flow_loops_find): Compute loop->first and loop->last.
856 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
857 and loop->last to check for NOTE_INSN_LOOP_END.
859 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
861 * predict.c (estimate_probability): Use the new FIRST and LAST fields
862 of the loop descriptor rather than HEADER and LATCH. Also added
863 missing break statements as well making some coding style modifications
864 as suggested by Michael Hayes.
866 2000-01-28 Richard Henderson <rth@cygnus.com>
868 * flow.c (find_basic_blocks): Remove do_cleanup argument.
869 Break out that code ...
870 (cleanup_cfg): ... here.
871 (commit_one_edge_insertion): Detect a return instruction being
872 emitted to an edge. Emit a barrier following; clear fallthru.
873 (commit_edge_insertions): Verify CFG consistency.
874 * function.c (expand_function_start): Kill unused variable.
875 (expand_function_end): Likewise.
876 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
877 to insert the epilogue.
879 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
880 (delete_null_pointer_checks): Likewise.
881 * output.h: Likewise.
882 * reg-stack.c (reg_to_stack): Likewise.
883 * toplev.c (rest_of_compilation): Likewise. Run
884 thread_prologue_and_epilogue_insns after rebuilding the CFG.
886 2000-01-28 Richard Henderson <rth@cygnus.com>
888 * Makefile.in (flow.o): Revert 24 Jan change.
889 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
890 FUNCTION_VALUE result to DECL_RESULT's mode.
892 * haifa-sched.c (schedule_insns): Don't recompute reg info
895 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
897 * configure.in: Make --enable-cpplib the default.
898 * configure: Regenerate.
899 * gcc.dg/990119-1.c: No longer expected to fail.
901 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
903 * jump.c (jump_optimize_1): Delete an optimization that is also done
904 by merge_blocks in flow.
906 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * diagnostic.c (build_message_string, output_printf,
909 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
910 (build_location_prefix): Fix non-literal format string.
912 2000-01-27 Richard Henderson <rth@cygnus.com>
914 * alpha.md (trunctfsf2): New.
916 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
918 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
920 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
922 * cppinit.c (cpp_handle_option): Recognize C++ comments under
924 * cpplib.c (skip_block_comment, skip_line_comment): Split code
926 (skip_comment) ... here. Permit C++ comments in system
927 headers always. Warn about C++ comments in user code under
928 -std=gnu89 -pedantic.
929 (copy_comment): Use skip_comment.
930 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
932 (consider_directive_while_skipping, do_else, do_endif): Call
933 validate_else unconditionally.
934 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
935 text after the conditional in a system header.
936 * cpplib.h (struct cpp_buffer): Add flag
937 warned_cplusplus_comments.
939 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
941 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
942 Use unshare_all_rtl_1.
943 (unshare_all_rtl_again): New function.
944 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
946 * function.c (purge_addressof_1): Use unshare_all_rtl_again
947 rather than resetting the 'used' flags ourself.
949 * toplev.c (rest_of_compilation): Add current_function_decl
950 to the unshare_all_rtl call.
951 * tree.h: Prototype unshare_all_rtl.
952 * rtl.h: Prototype unshare_all_rtl_again here.
954 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
956 * genoutput.c (output_prologue): Include ggc.h in generated
958 * Makefile.in (insn-output.o): Depends on ggc.h.
960 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
961 Hans-Peter Nilsson <hp@bitrange.com>
963 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
964 Remove redundant include of xm-ns32k.h.
965 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
966 Remove redundant include of xm-ns32k.h.
967 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
968 Remove redundant include of xm-ns32k.h.
969 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
971 * ns32k/ns32k.h: Update comment on multiply-add instructions.
972 (TARGET_SWITCHES): Add documentation strings.
973 (DWARF_FRAME_REGNUM): Override default definition.
974 (REG_CLASS_CONTENTS): Add comments.
975 (SUBSET_P): Format to reduce line length.
976 (SMALL_REGISTER_CLASSES): Make a run time option.
977 (GO_IF_NONINDEXED_ADDRESS): Reformat.
978 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
979 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
980 (regclass_map): fix typo in comment.
981 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
982 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
983 (trace, reg_or_mem_operand): Delete, unused function.
984 (calc_address_cost): Small offsets are cheaper than large ones.
985 (expand_block_move): Generate more efficient code when bytes is a
986 known at compile time.
987 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
988 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
989 instead of reg_or_mem_operand.
991 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
992 not general_operand. Similarly use "=rm" or stricter, not "=g".
993 For input operands, use stricter constraints than "g" if not
994 general_operand. Similarly use stricter predicate than
995 "general_operand" when stricter constraints than "g" are present,
996 except for matching constraints.
997 (movstrsi): Use "memory_operand" for operands 0 and 1.
998 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
999 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1000 not reg_or_mem_operand.
1001 (udivmoddisi4): Ditto.
1002 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1003 Use nonimmediate_operand for operand 3, not register_operand.
1004 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1007 2000-01-27 Fred Fish <fnf@be.com>
1009 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1010 * gthr-single.h: Likewise.
1011 * gthr-solaris.h: Likewise.
1012 * gthr-vxworks.h: Likewise.
1013 * gthr-win32.h: Likewise.
1016 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1018 * cppinit.c: Add " (cpplib)" to end of string printed by
1021 2000-01-27 Richard Henderson <rth@cygnus.com>
1023 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1024 testing for a signed comparison.
1025 (alpha_emit_floatuns): New.
1026 * alpha-protos.h: Declare it.
1027 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1028 (extendsfdf2): Tidy.
1030 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1032 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1033 no -g option specifying debugging format, default to -gstabs+.
1035 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1037 * calls.c (special_function_p): New argument fork_or_exec.
1038 (expand_call): When profile_arc_flag is set and the function
1039 is in the fork_or_exec group, call __bb_fork_func first.
1040 * libgcc2.c, _bb module (__bb_fork_func): New function.
1041 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1043 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1044 * tree.h (special_function_p): Update prototype.
1046 2000-01-26 Richard Henderson <rth@cygnus.com>
1048 * alpha.c (alpha_split_tfmode_pair): New.
1049 * alpha-protos.h: Declare it.
1050 * alpha.md (abstf2, negtf2): New.
1051 (movtf insn): Add input G constraint.
1052 (movtf splitter): Use alpha_split_tfmode_pair.
1054 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1056 * i386/cygwin.h: PROTO -> PARAMS.
1058 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1060 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1061 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1062 using _Qp_cmp/_Q_cmp and testing the return value.
1063 (print_operand): Call reverse_condition_maybe_unordered if
1064 we are handling CCFPmode or CCFPEmode.
1065 Handle ORDERED, UN* and LTGT comparisons.
1066 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1067 if not TARGET_HARD_QUAD.
1068 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1069 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1070 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1071 Adjust gen_b* calls so that they reflect return comparison of
1072 sparc_emit_float_lib_cmp.
1074 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1076 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1077 incoming operands array is large enough for one more operand.
1078 (alpha_emit_xfloating_arith): Likewise.
1080 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1082 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1083 file with one line and no trailing newline.
1084 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1085 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1086 checking if the match is on the line.
1087 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1089 2000-01-25 Richard Henderson <rth@cygnus.com>
1091 * sparc.c (output_cbranch): Fix accidental squashing of the
1092 fp branch pre-delay nop.
1094 2000-01-25 Richard Henderson <rth@cygnus.com>
1096 * tree.def (UNNE_EXPR): Remove.
1097 * c-typeck.c (build_binary_op): Don't handle it.
1098 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1100 * rtl.def (UNNE): Remove.
1102 * jump.c (reverse_condition): Update accordingly.
1103 (swap_condition): Likewise.
1104 (comparison_dominates_p): Handle unordered comparisons.
1105 (reverse_condition_maybe_unordered): New.
1106 * rtl.h (reverse_condition_maybe_unordered): Declare.
1108 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1109 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1110 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1111 * sparc.md (bltgt): New.
1113 2000-01-25 Nick Clifton <nickc@redhat.com>
1115 * emit-rtl.c (emit_insn): Only check machine class insns for
1116 improper emission of a RETURN.
1118 2000-01-25 Richard Henderson <rth@cygnus.com>
1120 * Makefile.in (flow.o): Depend on $(EXPR_H).
1121 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1122 duplicate the structure of diddle_return_value for keeping regs live.
1124 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1126 * loop.c (current_loop_info): Delete.
1127 (consec_sets_invariant_p): Add loop argument, update callers.
1128 (get_condition_for_loop): Likewise.
1129 (count_nonfixed_reads, update_giv_derive): Likewise.
1130 (simplify_giv_expr, general_induction_var): Likewise.
1131 (consec_sets_giv, recombine_givs): Likewise.
1132 (move_movables): Delete loop_start and loop_end arguments,
1133 add loop argument, and update callers.
1134 (find_mem_givs, check_final_value): Likewise.
1135 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1136 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1138 (basic_induction_var): Add loop argument, delete loop_level argument,
1140 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1141 add loop argument, and update callers.
1142 (find_splittable_regs, find_splittable_givs): Likewise.
1143 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1144 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1145 (biv_total_increment): Delete loop_start and loop_end arguments;
1147 (precondition_loop_p): Delete loop_start and loop_info arguments;
1149 * loop.h (get_condition_for_loop): Add loop argument.
1150 (biv_total_increment): Delete loop_start and loop_end arguments.
1151 (precondition_loop_p): Delete loop_start and loop_info arguments;
1153 (final_biv_value): Delete loop_start and loop_end arguments;
1155 (final_giv_value, back_branch_in_range_p): Likewise.
1157 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1159 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1161 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1163 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1164 point to the new "generated_files" doc.
1166 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1168 * config/fp-bit.c (_unord_f2): Fix typo.
1170 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1172 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1173 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1174 functions obsoleted by GC, such as push_obstacks_nochange,
1175 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1176 and code which existed only to decide whether or not to call
1177 them. Remove now-unused NESTED argument from start_function;
1178 all callers changed. Do not change behavior based on ggc_p.
1179 The use of the ixp_obstack in c-iterate.c and the util_obstack
1180 in objc/objc-act.c remain; these are not obsoleted by garbage
1182 * c-tree.h: Update prototype for start_function.
1184 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1186 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1188 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1191 2000-01-25 Richard Henderson <rth@cygnus.com>
1193 * sparc-protos.h (select_cc_mode): Declare.
1194 * sparc.c (select_cc_mode): New. Handle unordered compares.
1195 (output_cbranch): Always reverse via code change. Handle
1196 unordered compares. Factor tests and string updates.
1197 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1198 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1199 * sparc.md (bunordered, bordered): New.
1200 (bungt, bunlt, buneq, bunge, bunle): New.
1202 2000-01-25 Richard Henderson <rth@cygnus.com>
1204 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1205 * ggc-common.c (ggc_add_rtx_varray_root): New.
1206 (ggc_mark_rtx_varray): New.
1207 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1208 functions down below ggc_mark_foo.
1209 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1211 2000-01-25 Richard Henderson <rth@cygnus.com>
1213 * alpha.c (secondary_reload_class): Don't allocate a secondary
1214 for integral mode memories into FLOAT_REGS. Rearrange the more
1215 complicated memory expression inward.
1217 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1219 * inclhack.def: Fixes to play nicer with FreeBSD, and
1220 corrections to comments.
1221 (cxx_unready): Add select expression.
1222 (irix_sockaddr): Add bypass expression.
1223 (machine_ansi_h_va_list): New fix.
1224 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1225 Split out addition of "#include <stdarg.h>" to...
1226 (stdio_stdarg_h): ... here.
1227 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1228 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1229 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1231 (ultrix_ifdef): Tighten up select expression.
1233 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1234 re_ct and max_mach to avoid use of shell. Make printed names
1235 match names in inclhack.def. Use static copyright date.
1236 Don't count c_test and test expressions as requiring regex_t
1237 slots. Add some commentary.
1238 * inclhack.tpl: Do not include the 'This script contains N
1239 fixup scripts' line if PROGRAM is defined. Use static
1242 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1244 * dwarf2out.c: include "varray.h", not dyn-string.h.
1245 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1246 (addr_const_to_string, addr_to_string): Lose.
1247 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1248 (struct dw_val_struct): val_addr is now an rtx.
1249 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1250 (used_rtx_varray): New varray.
1251 (dwarf2out_init): Initialize it.
1253 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1255 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1256 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1257 * Makefile.in (dwarf2out.o): Update dependencies.
1259 2000-01-24 Richard Henderson <rth@cygnus.com>
1261 * i386.c (i386_dwarf_output_addr_const): New.
1262 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1264 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1266 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1267 * i386.c (i386_simplify_dwarf_addr): New.
1268 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1270 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1272 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1273 TYPE_STUB_DECL is NULL.
1275 2000-01-24 Richard Henderson <rth@cygnus.com>
1277 * builtins.c (expand_tree_builtin): Move ...
1278 * c-common.c (expand_tree_builtin): ... here.
1280 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1282 * loop.h (LOOP_INFO): New accessor macro.
1283 * basic-block.h (struct loop): Rename field `info' to `aux'.
1284 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1285 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1286 * unroll.c (loop_iterations, unroll_loop): Likewise.
1288 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1290 * config/i386/t-cygwin: Accomodate new winsup directory layout
1291 when searching for include files.
1293 2000-01-24 Richard Henderson <rth@cygnus.com>
1295 * rtl.def: Add unordered fp comparisions.
1296 * tree.def: Likewise.
1297 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1299 * builtins.c (expand_tree_builtin): New function.
1300 * c-typeck.c (build_function_call): Use it.
1301 (build_binary_op): Support unordered compares.
1302 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1304 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1305 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1306 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1307 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1308 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1310 (swap_condition): Handle unordered compares.
1311 (thread_jumps): Check can_reverse before reversing.
1312 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1315 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1316 setcc is present before acking for cmp_optab. Update all callers.
1317 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1318 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1319 * expr.c (expand_expr): Likewise. Support unordered compares.
1320 (do_jump, do_store_flag): Likewise.
1321 * expr.h (enum libfunc_index): Add unordered compares.
1323 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1324 (DPBIT_FUNCS): Add _unord_df.
1325 * config/fp-bit.c (_unord_f2): New.
1326 * fp-test.c (main): Try unordered compare builtins.
1328 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1329 * alpha.c (alpha_comparison_operator): Check mode properly.
1330 (alpha_swapped_comparison_operator): Likewise.
1331 (signed_comparison_operator): Likewise.
1332 (alpha_fp_comparison_operator): New.
1333 (alpha_emit_conditional_branch): Handle unordered compares.
1334 * alpha.h (PREDICATE_CODES): Update.
1335 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1336 (bunordered, bordered): New.
1338 2000-01-24 Richard Henderson <rth@cygnus.com>
1340 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1341 * alpha.md (movtf): New expander, insn, and splitter.
1343 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1345 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1348 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1350 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1351 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1352 REG_ALLOC_ORDER): Add frame pointer
1353 (FRAME_POINTER_REGNUM): Set to 20
1354 (HARD_FRAME_POINTER_REGNUM): New macro.
1355 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1356 to HARD_FRAME_POINTER.
1357 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1358 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1359 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1360 (HI_REGISTER_NAMES): Add "frame".
1361 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1362 (debug_reg): Handle FRAME_POINTER_REGNUM.
1363 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1364 GENERAL_REGS and INDEX_REGS.
1365 * i386.c (SAVED_REGS_FIRST): new macro.
1366 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1367 (ix86_decompose_address, memory_address_length): Likewise.
1368 (regclass_map): Add frame pointer.
1369 (call_insn_operand): Handle frame_pointer_rtx.
1370 (reg_no_sp_operand): Likewise.
1371 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1372 (print_operand, legitimize_pic_address): Fix formating.
1373 (ix86_compute_frame_size): Make static, update prototype, new
1374 parameters padding1, padding2, use ix86_nsaved_regs, use
1375 stack_alignment_needed.
1376 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1377 to HARD_FRAME_POINTER_REGNUM conversions.
1378 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1379 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1380 (print_reg): Abort on FRAME_POINTER_REGNUM
1382 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1384 * i386.h (PREDICATE_CODES): Add aligned_operand.
1385 * i386.c (aligned_operand): New function.
1386 (ix86_aligned_p): Kill.
1387 * i386.md (movhi_1): Emit mov for aligned operands.
1388 (promoting peep2s): Use aligned_operand.
1390 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1392 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1393 expression to allow underscores in macro names.
1394 (fix_char_macro_defines): Increment scanning pointer.
1396 2000-01-23 Richard Henderson <rth@cygnus.com>
1398 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1399 * alpha/osf5.h: New file.
1400 * configure.in (alpha-*-osf5): Add it to tm_file.
1402 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1404 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1405 (alpha_emit_xfloating_cvt, function_arg): Declare.
1406 * alpha.c (alpha_emit_conditional_branch): Call
1407 alpha_emit_xfloating_compare for TFmode compares.
1408 (alpha_lookup_xfloating_lib_func): New.
1409 (alpha_compute_xfloating_mode_arg): New.
1410 (alpha_emit_xfloating_libcall): New.
1411 (alpha_emit_xfloating_arith): New.
1412 (alpha_emit_xfloating_compare): New.
1413 (alpha_emit_xfloating_cvt): New.
1414 (print_operand): Add default abort case.
1415 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1416 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1417 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1418 (RETURN_IN_MEMORY): True for TF/TCmode.
1419 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1420 (FUNCTION_ARG): Move to function_arg.
1421 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1422 (ASM_OUTPUT_LONG_DOUBLE): New.
1423 (ASM_OUTPUT_DOUBLE): Always output bits.
1424 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1425 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1426 (extenddftf2, trunctfdf2): New.
1428 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1430 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1431 * config/sparc/sol2.h: ... here.
1433 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1435 * basic-block.h (struct loops): New field `levels'.
1436 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1437 (flow_loop_level_compute): Initialise level to 1.
1438 (flow_loops_find): Set loops->levels.
1439 (flow_loops_dump): Print loops->levels.
1441 2000-01-23 Richard Henderson <rth@cygnus.com>
1443 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1444 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1446 2000-01-23 Richard Henderson <rth@cygnus.com>
1448 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1449 * i386.h (DBX_REGISTER_NUMBER): Use them.
1450 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1451 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1452 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1453 * i386/sequent.h: Kill incorrect comment.
1455 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1457 * ggc-page.c (struct page_entry): Make `context_depth' an
1459 (struct globals): Likewise.
1461 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1463 * loop.c (check_dbra_loop): When checking a loop for
1464 reversability, check the source of any stores to ensure
1465 they don't depend on an initial value.
1467 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1469 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1471 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1473 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1474 'pz_scan' into scope of entire function. Only affects
1475 compiles with -DDEBUG.
1477 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1479 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1480 section naming to that prior to 2000-01-07 patch.
1481 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1482 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1483 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1484 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1485 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1487 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1489 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1492 2000-01-21 Jim Wilson <wilson@cygnus.com>
1494 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1495 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1497 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1499 * cpphash.c (change_newlines): Delete function.
1500 (struct argdata): Delete 'newlines' and 'use_count' fields.
1501 (macroexpand): Remove code referencing those fields.
1503 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1505 * loop.c (loops_info): New variable.
1506 (loop_optimize): Allocate loops->array and free it on exit.
1507 Allocate memory for loops_info and assign to each loop,
1509 (find_and_verify_loops): Do not allocate loops->array.
1511 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1513 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1515 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1517 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1518 pseudos if expanded after first flow.
1519 (movdi_pic_label_ref): Likewise.
1521 2000-01-20 Richard Henderson <rth@cygnus.com>
1523 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1525 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1527 * Makefile.in (fixinc.sh): Depend on specs.
1528 * fixinc/Makefile.in: Add rule to create machname.h.
1529 (fixlib.o): Depend on machname.h.
1530 * fixinc/fixtests.c (machine_name): New test.
1531 * fixinc/fixfixes.c (machine_name): New fix.
1532 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1533 the machine_name test and fix.
1534 * fixinc/fixlib.h: Prototype it.
1535 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1536 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1538 * gcc.c (do_spec_1) [case P]: Take care not to create
1539 identifiers with three leading or trailing underscores.
1541 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1542 (fixincl): Don't specify libraries twice on link line.
1543 (gnu-regex.o): Remove special rule.
1544 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1545 defined by config.h. Do not define _REGEX_RE_COMP.
1546 (regcomp): Allocate and initialize a fastmap.
1547 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1549 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1551 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1553 2000-01-19 Richard Henderson <rth@cygnus.com>
1555 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1556 arguments with BB. Update all callers. Tidy line wrapping.
1558 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1560 * emit-rtl.c (try_split): Return last_insn if we split the
1563 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1565 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1566 (ix86_initial_elimination_offset): Declare.
1567 * i386.c (ix86_nsaved_regs): Break out from ...
1568 (ix86_can_use_return_insn_p): ... here.
1569 (ix86_emit_save_regs): Break out from ...
1570 (ix86_expand_prologue): ... here.
1571 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1573 (ix86_expand_epilogue): ... here.
1574 (ix86_compute_frame_size): Make static, add prototype.
1575 (ix86_initial_elimination_offset): Break out from ...
1576 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1578 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1580 * recog.h (OUT_FCN): Delete.
1582 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1584 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1586 * cppalloc.c: PROTO -> PARAMS.
1587 * cpperror.c: Likewise.
1588 * cppfiles.c: Likewise.
1589 * cpplib.c: Likewise.
1590 * cpplib.h: Likewise.
1592 * config/arm/arm-protos.h: PROTO -> PARAMS.
1593 * config/arm/arm.c: Likewise.
1594 * config/c4x/c4x.c: Likewise.
1595 * config/fr30/fr30-protos.h: Likewise.
1596 * config/nextstep.c: Likewise.
1597 * config/pa/pa.c: Likewise.
1598 * config/pj/pj.c: Likewise.
1599 * config/rs6000/rs6000.c: Likewise.
1600 * config/v850/v850-protos.h: Likewise.
1601 * config/v850/v850.c: Likewise.
1603 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1605 * i370-protos.h: New file.
1607 * i370.c: Include tm_p.h. Fix compile time warnings.
1609 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1612 * i370.md: Likewise.
1614 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1616 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1617 (target_isinf, target_isnan, eisnan): Mark parameter with
1619 (eiisinf): Wrap in INFINITY.
1620 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1621 (ibmtoe): Remove unused variable `rndsav'.
1623 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1625 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1626 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1628 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1630 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1631 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1632 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1634 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1635 Recognize Emacs mode markers also.
1636 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1637 C++ comments in C++ headers. Call is_cxx_header only if
1640 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1642 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1643 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1644 ... these, which use the new C fixes.
1645 (math_exception): Escape literal '+' in bypass expression.
1647 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1650 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1652 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1655 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1657 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1658 prior to calling scan_loop.
1660 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1662 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1663 (split_branches, calc_live_regs): Likewise.
1665 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1667 * sh.md (fpu_single, fp_mode): New attributes.
1669 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1671 * loop.c (current_loop_info): Renamed from loop_info_data
1672 and changed to a pointer.
1673 (loop_optimize): Allocate loop_info structure for each loop
1674 and initialise to zero.
1675 (scan_loop): Set current_loop_info.
1677 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1680 2000-01-19 Richard Henderson <rth@cygnus.com>
1682 * stupid.c: Die die die.
1683 * Makefile.in (OBJS): Remove stupid.o.
1684 (stupid.o): Likewise.
1686 * except.c (emit_eh_context): Don't emit USEs for stupid.
1687 * explow.c (probe_stack_range): Likewise.
1688 * flags.h (obey_regdecls): Remove.
1689 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1690 when not optimizing.
1691 (life_analysis): Limit data collection when not optimizing.
1692 (mark_regs_live_at_end): Always mark the return value registers.
1693 (mark_used_regs): Remove dummy RETURN case.
1694 (print_rtl_with_bb): Don't consult obey_regdecls.
1695 * function.c (use_variable, use_variable_after): Remove.
1696 (assign_parms): Consult optimize not obey_regdecls.
1697 (expand_function_start): Don't emit USEs for stupid.
1698 (expand_function_end): Likewise.
1699 * global.c (build_insn_chain): Export.
1700 * integrate.c (expand_inline_function): Kill return-value USE
1702 * jump.c (jump_optimize_1): Do simple jump optimizations and
1703 dead code elimination.
1704 (calculate_can_reach_end): Remove check_deleted argument.
1705 (delete_insn): Patch out insns even when not optimizing.
1706 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1707 * rtl.h (use_variable, use_variable_after): Remove declarations.
1708 (build_insn_chain): Declare.
1709 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1710 (expand_end_bindings): Likewise.
1711 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1712 * toplev.c (obey_regdecls): Remove.
1713 (rest_of_compilation): Don't set it. Kill stupid in favour of
1714 flow1, local-alloc, and reload.
1715 (main): Don't set obey_regdecls.
1717 * config/nextstep.c (handle_pragma): Likewise.
1719 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1721 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1723 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 * alpha-protos.h: PROTO -> PARAMS.
1726 * alpha.c: Likewise.
1728 * h8300.c: Likewise.
1729 * i386-protos.h: Likewise.
1731 * m32r-protos.h: Likewise.
1734 * mips.md: Likewise.
1735 * gmon-sol2.c: Likewise.
1736 * sparc.c: Likewise.
1738 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * ns32k-protos.h: New file.
1742 * ns32k.c: Fix compile time warnings.
1744 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1747 * ns32k.md: Likewise.
1749 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1751 * vax-protos.h: New file.
1753 * vax.c: Fix compile time warnings.
1755 * vax.h: Move prototypes to vax-protos.h. Fix compile time
1760 * vaxv.md: Likewise.
1762 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1764 * romp-protos.h: New file.
1766 * romp.c: Fix compile time warnings.
1768 * romp.h: Move prototypes to romp-protos.h. Fix compile time
1771 * romp.md: Likewise.
1773 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1775 * we32k-protos.h: New file.
1777 * we32k.c: Fix compile time warnings.
1779 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
1782 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1784 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
1786 * except.c (eh_regs): Likewise.
1788 * final.c (output_operand): Likewise.
1790 * fold-const.c (target_isinf, target_isnan): Likewise.
1792 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
1794 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
1795 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
1797 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
1799 (clrstrsi): Rewrite.
1800 (strsethi, strsetqi): New expanders.
1801 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
1802 (cmpstrsi): Emit compare insn before cmpstrsi_1
1803 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
1804 (strlensi_1): Likewise.
1805 (cmpstrsi_1): Likewise; do not output compare.
1806 (strlen expander): Do not unroll when optimizing for size.
1807 (*subsi3_carry): Rename to subsi3_carry
1808 (addqi3_cc): New pattern.
1809 * i386.h (processor_costs): Add move_ratio field.
1810 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
1811 * i386.c (*_cost): Set move_ratio.
1812 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
1813 (x86_expand_strlensi_1): Rewrite the main loop.
1815 2000-01-17 Richard Henderson <rth@cygnus.com>
1817 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
1818 * cse.c (find_comparison_args, fold_rtx): Likewise.
1819 * integrate.c (subst_constants): Likewise.
1820 * loop.c (get_condition): Likewise.
1822 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
1824 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
1826 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1828 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
1829 (RESTORE_WARN_FLAGS): Unpack it.
1830 Change semantic type of extension to ttype.
1831 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
1832 * c-parse.y, c-parse.c, objc/objc-parse.y,
1833 objc/objc-parse.c: Regenerate.
1835 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
1837 * fixinc/fixlib.c: Add copyright notice.
1838 (compile_re): New function.
1839 * fixinc/fixlib.h: Prototype compile_re.
1841 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
1842 Use compile_re to compile regular expressions.
1844 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
1845 where the pattern matched.
1847 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
1849 (ultrix_ansi_compat): Likewise.
1850 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
1852 (interactv_add2, interactv_add3): Delete.
1853 (x11_sprintf): Don't use filename glob.
1854 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
1857 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1859 * print-rtl.c: PROTO -> PARAMS.
1861 * reg-stack.c: Likewise.
1862 * resource.c: Likewise.
1863 * sdbout.h: Likewise.
1864 * simplify-rtx.c: Likewise.
1865 * stor-layout.c: Likewise.
1866 * stupid.c: Likewise.
1867 * xcoffout.c: Likewise.
1868 * xcoffout.h: Likewise.
1870 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1872 * toplev.c: PROTO -> PARAMS.
1873 * toplev.h: Likewise.
1876 * unroll.c: Likewise.
1877 * varasm.c: Likewise.
1878 * varray.c: Likewise.
1879 * varray.h: Likewise.
1881 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1883 * reload.c: PROTO -> PARAMS.
1884 * reload.h: Likewise.
1885 * reload1.c: Likewise.
1886 * reorg.c: Likewise.
1887 * resource.h: Likewise.
1890 * rtlanal.c: Likewise.
1891 * sbitmap.h: Likewise.
1892 * sdbout.c: Likewise.
1893 * stack.h: Likewise.
1895 * system.h: Likewise.
1897 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1899 * machmode.h: PROTO -> PARAMS.
1900 * mbchar.h: Likewise.
1901 * mips-tdump.c: Likewise.
1902 * mips-tfile.c: Likewise.
1903 * optabs.c: Likewise.
1904 * output.h: Likewise.
1905 * prefix.c: Likewise.
1906 * profile.c: Likewise.
1907 * protoize.c: Likewise.
1909 * recog.c: Likewise.
1910 * recog.h: Likewise.
1911 * regclass.c: Likewise.
1912 * regmove.c: Likewise.
1915 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1917 * ggc-common.c: PROTO -> PARAMS.
1918 * ggc-page.c: Likewise.
1919 * ggc-simple.c: Likewise.
1921 * global.c: Likewise.
1922 * graph.c: Likewise.
1923 * gthr-win32.h: Likewise.
1924 * haifa-sched.c: Likewise.
1925 * halfpic.h: Likewise.
1926 * integrate.c: Likewise.
1927 * integrate.h: Likewise.
1930 * local-alloc.c: Likewise.
1934 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1936 * genattr.c: PROTO -> PARAMS.
1937 * genattrtab.c: Likewise.
1938 * gencheck.c: Likewise.
1939 * gencodes.c: Likewise.
1940 * genconfig.c: Likewise.
1941 * genemit.c: Likewise.
1942 * genextract.c: Likewise.
1943 * genflags.c: Likewise.
1944 * gengenrtl.c: Likewise.
1945 * genopinit.c: Likewise.
1946 * genoutput.c: Likewise.
1947 * genpeep.c: Likewise.
1948 * genrecog.c: Likewise.
1950 2000-01-16 Mark Mitchell <mark@codesourcery.com>
1952 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
1954 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1956 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
1957 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
1958 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
1959 * configure, config.in: Rebuilt.
1961 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
1963 * config/i386/i386.md: Add peephole to merge successive stack
1966 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
1968 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
1969 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
1970 when walking backwards to find all the parameter loads when
1971 the basic block ends in a call.
1973 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1975 * loop.c (this_loop_info): Delete.
1976 (uid_loop): Add in place of uid_loop_num. All uses updated.
1977 (loop_number_exit_count): Delete and replace with entry in loop
1978 structure. All uses updated.
1979 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1980 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
1981 (loop_outer_loop): Likewise.
1982 (loop_invalid, loop_number_exit_labels): Likewise.
1983 (loop_used_count_register): Delete and replace with entry in
1984 loop_info structure.
1985 (find_and_verify_loops): Add loops argument.
1986 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
1987 loop_end, etc. arguments with loop structure pointer. All callers
1989 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
1990 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
1991 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
1992 (insert_bct): Likewise.
1993 (basic_induction_var): New argument level.
1994 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
1995 vtop, and cont. Add used_count_register.
1996 (uid_loop): Delete declaration.
1997 (loop_number_exit_count): Likewise.
1998 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1999 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2000 (loop_outer_loop, loop_used_count_register): Likewise.
2001 (loop_invalid, loop_number_exit_labels): Likewise.
2002 (unroll_loop): Replace loop_start and loop_end arguments
2003 with loop structure pointer.
2004 (loop_precondition_p, loop_iterations): Likewise.
2005 Include basic-block.h.
2006 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2007 with loop structure pointer.
2008 (loop_precondition_p, loop_iterations): Likewise.
2009 * basic-block.h (struct loop): New entries vtop, cont,
2010 cont_dominator, start, end, top, scan_start, exit_labels,
2012 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2014 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2016 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2018 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2020 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2022 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * pdp11-protos.h: New file.
2026 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2029 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2032 * pdp11.md: Likewise.
2036 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * mn10300-protos.h: New file.
2040 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2043 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2046 * mn10300.md: Likewise.
2048 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2050 * mn10200-protos.h: New file.
2052 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2055 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2058 * mn10200.md: Likewise.
2060 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * h8300-protos.h: New file.
2064 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2067 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2070 * h8300.md: Likewise.
2072 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2075 (asm_emit_uninitialised): Likewise.
2077 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2079 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2080 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2082 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2084 * config/mips/mips.c (override_options): Don't turn on extra
2085 alignment for mips16.
2087 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2089 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2090 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2093 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2095 * builtins.c (PAD_VARARGS_DOWN): Define.
2096 (std_expand_builtin_va_arg): Use the above macro.
2097 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2098 * tm.texi (Register Arguments): Document the above macro.
2100 2000-01-14 Nick Clifton <nickc@cygnus.com>
2102 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2103 that this function has not been used to emit a jump
2106 * jump.c (return_jump_1): Cope with being passed a null rtx.
2108 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2110 * eh-common.h: PROTO -> PARAMS.
2111 * emit-rtl.c: Likewise.
2112 * errors.c: Likewise.
2113 * errors.h: Likewise.
2114 * except.c: Likewise.
2115 * except.h: Likewise.
2116 * explow.c: Likewise.
2117 * expmed.c: Likewise.
2120 * final.c: Likewise.
2121 * fix-header.c: Likewise.
2123 * fold-const.c: Likewise.
2124 * function.c: Likewise.
2125 * function.h: Likewise.
2127 * gcov-io.h: Likewise.
2131 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2133 * sh-protos.h: New file.
2135 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2136 Add static prototypes. Fix compile time warnings.
2138 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2142 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2144 * arc-protos.h: New file.
2146 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2149 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2154 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2156 * dsp16xx-protos.h: New file.
2158 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2161 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2164 * dsp16xx.md: Likewise.
2166 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * convex-protos.h: New file.
2170 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2173 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2176 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178 * elxsi-protos.h: New file.
2180 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2183 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2186 * elxsi.md: Likewise.
2188 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2190 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2191 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2192 match the comment for MIPS16.
2194 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2196 * flow.c (split_edge): Do not call set_block_for_insn if we
2197 do not have a basic_block_for_insn structure.
2199 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2200 and destination functions are 32bit aligned within the trampoline.
2201 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2202 (TRAMPOLINE_ALIGNMENT): Define.
2204 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2205 (set (pc) (label_ref)), verify the change creates a valid insn.
2207 * fr30.c (call_operand): Tighten and rework to match rules for
2208 call RTL expressions.
2209 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2210 * fr30.md (call patterns): Improve constraints.
2212 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2214 * fr30.c (fr30_expand_epilogue): Revert last change.
2215 Use emit_jump_insn for the return insn.
2217 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2218 Stan Cox <scox@cygnus.com>
2220 * predict.c: New file. Preliminary infrastructure work for static
2221 branch prediction and basic block reordering.
2222 * basic-block.h: Add prototype for estimate_probability.
2223 * Makefile.in: Add rules for predict.o.
2225 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2227 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2228 * fixinc/*: Likewise.
2230 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * cccp.c: PROTO -> PARAMS.
2234 * collect2.c: Likewise.
2235 * combine.c: Likewise.
2236 * convert.h: Likewise.
2238 * dbxout.c: Likewise.
2239 * dbxout.h: Likewise.
2240 * diagnostic.c: Likewise.
2241 * doprint.c: Likewise.
2242 * dwarf2out.c: Likewise.
2243 * dwarf2out.h: Likewise.
2244 * dwarfout.c: Likewise.
2245 * dwarfout.h: Likewise.
2246 * dyn-string.h: Likewise.
2248 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2250 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2251 macro conditionals guarding use.
2253 * dwarf2out.c: Include "tm_p.h".
2255 * function.c (locate_and_pad_parm): Mark parameter with
2257 (expand_function_end): Likewise for variable `context'.
2259 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2261 2000-01-13 Nick Clifton <nickc@cygnus.com>
2263 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2264 register to prevent compile time warnings.
2266 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2268 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2269 to avoid -Wtraditional warning.
2271 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * 1750a-protos.h: New file.
2275 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2278 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2281 * 1750a.md: Likewise.
2283 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * a29k-protos.h: New file.
2287 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2290 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2293 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2295 * clipper-protos.h: New file.
2297 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2300 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2303 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2305 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2307 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2309 * configure.in (--enable-new-gxx-abi): New option.
2310 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2311 * Makefile.in (GXX_ABI_FLAG): New variable.
2312 * configure: Regenerate.
2314 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2316 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2317 * tm.texi (FORCE_STRUCT_BLK): Document.
2318 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2320 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2322 * config/ns32k/ns32k.md: Revert Jan 9 change.
2324 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2325 to a mode-test, if the predicate is address_operand.
2327 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2329 * combine.c (if_then_else_cond): Be careful about what kinds
2330 of RTL expressions are passed to operand_subword.
2332 * flow.c (split_edge): If we have to insert a new jump, make
2333 sure to associate it with a basic block.
2335 * flow.c (commit_one_edge_insertion): A block with one successor
2336 can end in a JUMP_INSN that is not a simplejump.
2338 2000-01-12 Robert Lipe <robertl@sco.com>
2340 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2341 (BUILD_VA_LIST_TYPE): Define.
2342 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2345 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2347 * cccp.c (do_pragma): Add cast to (char *).
2349 2000-01-12 Richard Henderson <rth@cygnus.com>
2350 Fred Fish <fnf@be.com>
2351 Jason Merrill <jason@cygnus.com>
2353 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2354 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2355 * i386/beos-elf.h, i386/beos-pe.h: New files.
2357 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2358 * cross-make (SYSTEM_HEADER_DIR): Define using
2359 CROSS_SYSTEM_HEADER_DIR.
2361 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2362 (process_command): Use it.
2363 (main): Likewise. Kill trailing = from env vars.
2364 (build_search_list): Put it back.
2365 * collect2.c (main): Use LIBRARY_PATH_ENV.
2367 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2368 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2370 * tm.texi (Frame Layout): Document SMALL_STACK.
2371 * c-common.c (c_common_nodes_and_builtins): Check it.
2373 * system.h: Undef alloca after including glibc's <stdlib.h>,
2374 if USE_C_ALLOCA is defined.
2376 * gcc.c (set_input): New fn.
2377 (main): After all input files are compiled, reset the input file
2380 * aclocal.m4 (rindex, index): If already defined, don't attempt
2383 * ginclude/varargs.h: (__va_list__): Define ifndef.
2384 * ginclude/stdarg.h: Likewise.
2386 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2387 instead of unsigned char.
2389 * hash.h (true, false, boolean): Undef before enum.
2391 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2392 proper type of "HOST_WIDE_INT *", rather than their natural type of
2393 "unsigned HOST_WIDE_INT *".
2395 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2397 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2399 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2401 * regclass.c (choose_hard_reg_mode): Likewise.
2403 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2405 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2407 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2409 * c-common.c: PROTO -> PARAMS.
2410 * c-common.h: Likewise.
2411 * c-decl.c: Likewise.
2412 * c-iterate.c: Likewise.
2413 * c-lang.c: Likewise.
2414 * c-lex.c: Likewise.
2415 * c-lex.h: Likewise.
2416 * c-parse.in: Likewise.
2417 * c-pragma.c: Likewise.
2418 * c-pragma.h: Likewise.
2419 * c-tree.h: Likewise.
2420 * c-typeck.c: Likewise.
2421 * objc/objc-act.c: Likewise.
2422 * objc/objc-act.h: Likewise.
2424 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * m88k-protos.h: New file.
2428 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2431 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2433 * m88k.md: Likewise.
2435 * tekXD88.h: Likewise.
2437 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * m68k-protos.h: New file.
2441 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2444 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2446 * mot3300.h: Likewise.
2448 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2450 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2452 (extract_bitlist): Declare bitlen.
2454 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2456 * cccp.c: Accept and ignore -lang-fortran.
2458 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2459 qualifiers don't match at any level of pointerness.
2461 2000-01-12 Robert Lipe <robertl@sco.com>
2463 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2465 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2467 * reload1.c (reload_reg_unavailable): New static variable.
2468 (reload_reg_free_p): Test it.
2469 (reload_reg_free_for_value_p): Test it instead of
2471 (choose_reload_regs_init): Compute it.
2473 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2475 * reorg.c (fill_slots_from_thread): Check modified_in_p
2478 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2480 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2481 these nodes even if INTERNALS is not set.
2483 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2485 * gcse.c (delete_null_pointer_checks_1): Cope when
2486 get_condition cannot determine the condition.
2488 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2490 * toplev.h (set_message_length): Declare.
2492 * diagnostic.c (obstack_chunk_alloc): Define macro.
2493 (obstack_chunk_free): Likewise.
2494 (struct output_buffer): New data structure.
2496 (output_maximum_width): New variable.
2497 (doing_line_wrapping, set_message_length, init_output_buffer,
2498 get_output_prefix, output_space_left, emit_output_prefix,
2499 output_newline, output_append, output_puts, dump_output,
2500 vbuild_message_string, build_message_string, build_location_prefix,
2501 voutput_notice, output_printf, line_wrapper_printf,
2502 vline_wrapper_message_with_location): New functions. Implement
2503 automatic line wrapping.
2504 (v_message_with_decl): Make it handle automatic line wrapping.
2505 (v_error_with_file_and_line): Likewise.
2506 (v_warning_with_file_and_line): Likewise.
2507 (announce_function): Likewise.
2508 (default_print_error_function): Likewise.
2510 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2512 * cpplib.h (struct cpp_options): Change lang_asm to char.
2514 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2515 done in cpp_handle_option now.
2516 (initialize_builtins): Take out special case code used only by
2518 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2519 if -traditional. Recognize -lang-fortran and set
2520 lang_fortran, also turn off cplusplus_comments.
2521 (print_help): Document -lang-fortran.
2522 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2523 lang_asm. Ignore all directives other than `# 123 "file"' if
2525 (cpp_get_token): If -traditional, don't recognize directives
2526 unless the # is in column 1.
2527 (parse_string): If lang_fortran or lang_asm, silently
2528 terminate strings ('' or "") at end of line.
2529 Remove unnecessary braces.
2531 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2532 Richard Henderson <rth@cygnus.com>
2534 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2536 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2537 strict_low_part when possible.
2539 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * alias.c: PROTO -> PARAMS.
2542 * basic-block.h: Likewise.
2543 * bitmap.c: Likewise.
2544 * bitmap.h: Likewise.
2545 * builtins.c: Likewise.
2546 * c-aux-info.c: Likewise.
2547 * caller-save.c: Likewise.
2548 * calls.c: Likewise.
2550 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * Makefile.in (toplev.o): Depend on regs.h.
2554 * output.h (tdesc_section): Prototype.
2556 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2558 * sdbout.c: Include "tm_p.h".
2560 * toplev.c: Include "regs.h".
2562 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2564 * unroll.c (unroll_loop): Add EH support.
2566 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2568 * pa-protos.h: New file.
2570 * pa.c: Include recog.h and tm_p.h.
2571 (compute_zdepwi_operands, compute_movstrsi_length,
2572 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2573 find_addr_reg, import_milli): Add static prototypes.
2574 (pa_cpu_string, pa_arch_string): Constify a char*.
2575 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2576 (read_only_operand): Add argument `mode'.
2577 (singlemove_string, output_move_double, output_fp_move_double,
2578 output_block_move, output_and, output_ior, output_ascii,
2579 remove_useless_addtr_insns, milli_names, output_mul_insn,
2580 output_div_insn, output_mod_insn, output_arg_descriptor,
2581 output_cbranch, output_bb, output_bvb, output_dbra, ,
2582 output_millicode_call, output_call, hppa_encode_label,
2583 output_parallel_movb, output_parallel_addb): Constify a char*.
2584 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2585 (output_parallel_addb): Remove extra arg to `constrain_operands'
2587 * pa.h: Move all prototypes to pa-protos.h.
2588 (pa_cpu_string, pa_arch_string): Constify a char*.
2589 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2591 * pa.md: Call `function_label_operand' with mode argument.
2592 Likewise for `read_only_operand'.
2593 Fix nesting of parens in call to `symbolic_operand'.
2595 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2597 * i860-protos.h: New file.
2599 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2602 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2604 * i860.md: Likewise.
2606 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2608 * i386.md (movstrsi expander): Rewrite.
2609 (movstrsi_1 insn): Deleted.
2610 (strmovhi, strmovqi expander): New expanders.
2611 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2612 * i386.c (x86_single_stringop): New global variable.
2613 * i386.h (x86_single_stringop): Declare.
2614 (TARGET_SINGLE_STRINGOP): New macro.
2616 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2618 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2619 integer vararg POSTINCREMENT before the destination of the jump
2620 for the hard fp case.
2621 (function_arg_pass_by_reference): Pass a copy of CUM to
2624 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2625 for CONSTANT_ADDRESS_P above while loop for subreg.
2627 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2629 * flow.c (propagate_block): When a prologue/epilogue insn
2630 is marked dead, unconditionally clear libcall_is_dead and
2631 insn_is_dead, and only dump rtl if warnings aren't being
2634 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2636 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2637 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2638 (FIXED_REGISTERS): Set dirflag as fixed.
2639 (CALL_USED_REGISTERS): Set dirflag as used.
2640 (REG_ALLOC_ORDER): Set dirflag as last one.
2641 (DIRFLAG_REG): New macro.
2642 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2643 (HI_REGISTER_NAMES): Add dirflag.
2644 (DEBUF_PRINT_REG): Handle dirflag.
2645 * i386.md (type attribute): New cld and str types.
2646 (length_opcode attribute): Set cld and str to 1.
2647 (memory attribute): Set str to unknown - it is not clear from the
2649 (pent_np function unit): Prefixed string operations takes 12 cycles
2650 minimally; cld takes 2 cycles.
2651 (ppro_uops attribute): Str is "many" and cld is "few".
2652 (ppro_p0 unit): Handle cld here.
2653 (k6_alux unit): Handle cld and str types.
2654 (k6_load unit): It is ocupied by str opcodes.
2655 (k6_store unit): It is ocupied by str opcodes.
2656 (athlon_decode): Str is vector decoded.
2657 (athlon_ieu): Handle str and cld.
2659 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2660 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2661 cmpstrsi_nz_1 insn): Do not output cld instruction
2663 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2665 * gcc.texi (G++ and GCC): Add Java and Chill.
2666 (Bug Critera): Don't list languages.
2668 * gcc.texi (Incompatibilities): No longer claim most C compilers
2671 * gcc.texi (G++ and GCC): Update other front-ends list.
2673 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2675 * i386.c (ix86_expand_setcc): Fix typo.
2676 (ix86_expand_movcc): Similarly.
2678 * Band-aid until haifa's bitset implementation is nuked.
2679 * haifa-sched.c (extract_bitlst): New parameter for size of the
2680 bitset in bits. All callers changed. Avoid looking at undefined
2682 (edgeset_bitsize): New variable.
2683 (schedule_region): Initialize edgeset_bitsize.
2685 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2687 * Makefile.in (optabs.o): Depend on real.h
2688 (resource.o): Depend on insn-attr.h
2690 * builtins.c (result_vector): Wrap prototype in macro conditions
2691 governing definition and use.
2693 * c-common.c: Include tm_p.h.
2695 * c-lex.c: Likewise.
2697 * elfos.h: Constify a char*.
2699 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2700 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2701 parameter with ATTRIBUTE_UNUSED.
2703 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2706 * haifa-sched.c (schedule_insns): Mark parameter with
2709 * optabs.c: Include real.h.
2711 * real.h (ereal_atof): Add prototype arguments.
2713 * resource.c: Include insn-attr.h.
2715 * sdbout.c (sdbout_queue_anonymous_type,
2716 sdbout_dequeue_anonymous_types): Wrap in macro
2717 SDB_ALLOW_FORWARD_REFERENCES.
2718 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2721 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2723 * stupid.c: Include tm_p.h.
2725 * tree.c (real_value_from_int_cst): Mark parameter with
2728 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * i960-protos.h: New file.
2732 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2735 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2737 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2739 * combine.c (expand_field_assignment): Do not discard SUBREGs
2740 while computing nonzero_bits.
2742 2000-01-09 Nick Clifton <nickc@cygnus.com>
2744 * config/arm/arm.c: Fix compile time warnings about signed vs
2746 * config/arm/arm.h: Fix compile time warnings about signed vs
2749 2000-01-09 Philip Blundell <philb@gnu.org>
2751 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2752 than `ldm' with only one register.
2753 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
2756 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
2759 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
2761 * config/ns32k/ns32k.md (load or push effective address): Operand 1
2764 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2767 assignment used as truth value.
2769 * function.c (assign_temp): Mark parameter `dont_promote' with
2770 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
2771 PROMOTE_FOR_CALL_ONLY.
2773 * genrecog.c (write_subroutine): Mark variable `operands' with
2776 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
2779 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
2780 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
2782 * toplev.c (note_deferral_of_defined_inline_function): Likewise
2785 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2787 * config/c4x.h: Tidy up comments.
2788 * config/c4x.c: Likewise.
2790 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
2792 * fold-const.c (lshift_double, rshift_double): Handle
2793 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
2795 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2797 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
2798 in prepare_function_start().
2800 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
2802 * config/v850/v850.c (expand_epilogue): Interrupt functions no
2803 longer allocate extra stack for function calls.
2805 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2807 * config/c4x/c4x.md (*subqf3_set): Fix typo.
2809 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2811 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
2813 2000-01-07 David Edelsohn <edelsohn@gnu.org>
2815 * rs6000.c (processor_target_table): Add power3 as alias for 630.
2816 * aix43.h: Revert Aug 2 change.
2817 (HAS_INIT_SECTION): Define, not visible yet.
2818 (LD_INIT_SWITCH): Define, not visible yet.
2819 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
2821 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
2823 * collect2.c (main): Expand ld2 size further.
2824 (export_object_lst): Cast assignment to avoid warning.
2825 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
2826 (scan_prog_file, COFF): Do not collect initialization or
2827 finalization functions generated for entire shared object if
2828 init/fini support present.
2830 2000-01-07 Nick Clifton <nickc@cygnus.com>
2832 * config/elfos.h: Tidy up formatting of marcos. Make sure
2833 that .section directives are always prefixed by a tab.
2835 * config/svr4.h: Add #include "elfos.h" and remove duplicate
2838 2000-01-07 Matt Austern <austern@sgi.com>
2840 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
2843 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
2845 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
2847 (crtbegin.o, s-crtS): Likewise.
2849 2000-01-06 Richard Henderson <rth@cygnus.com>
2851 * alpha.md (adddi_2+1): Limit offset such that it will be
2852 loadable with a single ldah+lda pair.
2853 (adddi_2+2): Explicitly fail split if we can't make it work.
2855 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
2857 * protoize.c: Conditionally include unistd.h.
2858 (IS_SAME_PATH_CHAR): New macro.
2859 (IS_SAME_PATH): New macro.
2860 (CPLUS_FILE_SUFFIX): New macro.
2861 (cplus_suffix): New static variable.
2862 (is_abspath): New static function.
2863 (in_system_include_dir): Handle DOS style pathnames.
2864 (file_could_be_converted): Likewise.
2865 (file_normally_convertible): Likewise.
2866 (directory_specified_p): Likewise.
2867 (file_excluded_p): Likewise.
2868 (abspath): Likewise.
2869 (shortpath): Likewise.
2870 (referenced_file_is_newer): Likewise.
2871 (save_def_or_dec): Likewise.
2872 (do_processing): Likewise.
2874 (edit_file): Likewise. Use rename instead of link.
2875 (rename_c_file): Likewise. Don't rename syscalls file.
2876 (munge_compile_params): Define null device for DOS based systems.
2877 (process_aux_info_file): Use binary mode if appliable.
2878 (edit_file): Likewise.
2879 * invoke.texi (Running Protoize): Document C++ suffixes used.
2881 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
2882 IS_DIR_SEPARATOR macros.
2883 * collect2.c: Likewise.
2884 * cppinit.c: Likewise.
2885 * dwarf2out.c: Likewise.
2888 * prefix.c: Likewise.
2890 * toplev.c: Likewise.
2891 * system.h: And move to here.
2893 * prefix.c (update_path): Fix typo in variable name.
2895 2000-01-06 Richard Henderson <rth@cygnus.com>
2897 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
2898 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
2899 (count_reg_sets_1, count_reg_references): Likewise.
2900 (flow_loops_level_compute): Start counting actual loop depth at 1.
2901 (flow_loops_find): Likewise.
2902 * local-alloc.c (update_equiv_regs): Likewise.
2903 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
2905 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
2907 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
2908 FIRST_PSEUDO_REGISTER
2909 * dwarf2out.c: Don't include frame.h
2910 * dwarfout.c: Likewise
2911 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
2914 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
2916 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2919 * i386.c (movsf splitter): Fix typo in my last checkin.
2921 2000-01-05 Nick Clifton <nickc@cygnus.com>
2923 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
2924 own definition of this macro.
2925 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
2926 flag_data_sections or UNIQUE_SECTION_P are true.
2928 * tm.texi (UNIQUE_SECTION): Document that it can be called for
2929 unitialised data decls.
2931 * config/i386/winnt.c (i386_pe_unique_section): Cope with
2932 being called for uninitialised data.
2934 * config/i386/interix.c (i386_pe_unique_section): Cope with
2935 being called for uninitialised data.
2937 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
2938 for uninitialised data.
2940 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
2941 for uninitialised data.
2943 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
2944 for uninitialised data.
2946 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
2947 (UNIQUE_SECTION_P): Always generate a unique section if
2948 flag_data_sections is true.
2949 (UNIQUE_SECTION): Also generate unique sections for
2951 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
2952 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
2955 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2957 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
2960 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2962 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
2963 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
2964 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
2965 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
2966 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
2968 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
2970 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
2972 * c-decl.c (finish_enum): Simplify code to determine minimum and
2973 maximum values of the enum, and calculate the type. Remove check
2974 for FUNCTION_DECLs in the values list, which cannot happen. Replace
2975 the DECL_INITIAL of each enumeration constant with a copy converted
2976 to the enumeration type. When updating variant types, don't bother
2977 updating the type itself.
2979 * c-typeck.c (build_binary_op): Simplify conditional expressions
2980 when weeding out spurious signed-unsigned warnings. Add new
2981 spurious warning category: if the unsigned quantity is an enum
2982 and its maximum value fits in signed_type(result_type). Update
2984 (build_conditional_expr): Warn here if one alternative is signed
2985 and the other is unsigned.
2987 2000-01-05 Nick Clifton <nickc@cygnus.com>
2989 * config/fr30/fr30.h: Remove extraneous comments.
2991 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
2993 * reload1.c (choose_reload_regs): When disabling a reload, also
2994 set reload_spill_index to -1.
2996 2000-01-04 Joel Sherrill (joel@OARcorp.com>
2998 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3000 (m68*-*-rtemself*): New target.
3001 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3002 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3003 (sparc*-*-rtemself*): New target.
3004 (sparc*-*-rtems*): Now elf not a.out.
3005 * config/i386/rtems.h: Include config/rtems.h.
3006 * config/i386/rtemself.h: Include config/rtems.h.
3007 * config/i960/rtems.h: Include config/rtems.h.
3008 * config/m68k/rtems.h: Include config/rtems.h.
3009 * config/m68k/rtemself.h: Include config/rtems.h.
3010 * config/mips/rtems64.h: Include config/rtems.h.
3011 * config/pa/rtems.h: Include config/rtems.h.
3012 * config/rs6000/rtems.h: Include config/rtems.h.
3013 * config/sh/rtems.h: Include config/rtems.h.
3014 * config/sh/rtemself.h: Include config/rtems.h.
3015 * config/sparc/rtems.h: Include config/rtems.h.
3016 * config/sparc/rtemself.h: Include config/rtems.h
3018 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3020 * final.c (shorten_branches): Correctly compute length of
3021 asms without operands.
3023 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3025 * configure.in: Add pj target.
3026 * configure: Regenerate.
3027 * config/pj: New directory.
3028 * config/pj/lib1funcs.S: New file.
3029 * config/pj/linux.h: New file.
3030 * config/pj/pj.c: New file.
3031 * config/pj/pj.md: New file.
3032 * config/pj/pjl.h: New file.
3033 * config/pj/t-pj: New file.
3034 * config/pj/xm-pj.h: New file
3036 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3038 * toplev.c (rest_of_compilation): Run shorten-branches before
3041 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3043 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3044 macros so that they're consistent with their names.
3045 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3046 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3048 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3050 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3051 modified inadvertently.
3053 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3055 * configure.in (v850*-*-rtems*): New target.
3056 * configure: Regenerate.
3057 * config/v850/rtems.h: New file.
3059 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3061 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3062 (__gthread_key_create): Likewise.
3063 (__gthread_key_dtor): Likewise.
3064 (__gthread_once): Fix logic.
3065 (__gthread_key_delete): Cast away constness.
3067 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3068 * invoke.texi: Document.
3069 * i386/mingw32.h (CPP_SPEC): Use.
3070 (LIBGCC_SPEC): Likewise.
3071 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3073 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3075 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3076 (HANDLE_PRAGMA_PACK): Undefine.
3077 (SLOW_UNALIGNED_ACCESS): Define.
3079 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3081 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3082 to default definition.
3083 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3084 (store_fixed_bit_field): Call macro with word_mode and alignment.
3085 (extract_bit_field): Call macro with relevant mode and alignment.
3086 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3087 to default definition.
3088 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3090 (move_by_pieces_ninsns): Likewise.
3091 (clear_by_pieces): Likewise.
3092 (emit_push_insn): Likewise.
3093 (store_field): Call macro with relevant mode and alignment.
3094 (expand_expr): Likewise.
3095 (expand_expr_unaligned): Likewise.
3097 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3098 (SLOW_UNALIGNED_ACCESS): Define.
3099 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3100 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3101 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3102 (toc_section): Likewise and .toc pseudo-op.
3103 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3105 (TEXT_SECTION_ASM_OP): Likewise.
3106 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3109 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3110 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3111 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3112 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3113 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3115 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3117 * regclass.c: Revert my Jan 4 change to loop cost computation.
3119 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3121 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3124 2000-01-04 Stan Cox <scox@cygnus.com>
3126 * haifa-sched.c (build_control_flow): Change unreachable simple
3127 loop test to check if current block has only one predecessor.
3128 (find_rgns): Initialize degree. Use dest as degree index, not src.
3130 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3132 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3134 * calls.c (expand_call): Likewise for
3135 `old_stack_arg_under_construction'.
3137 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3139 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3142 * gcc.c (execute): Likewise for `ut' and `st'.
3144 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3146 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3148 * jump.c (jump_optimize_1): Likewise for `temp2'.
3150 * local-alloc.c (block_alloc): Likewise for `r1'.
3152 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3154 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3155 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3157 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3160 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3161 and `goal_earlyclobber'.
3163 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3165 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3167 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3169 * unroll.c (copy_loop_body): Likewise for `copy'.
3171 * varasm.c (output_constructor): Likewise for `byte'.
3173 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3175 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3176 all FP constants for constant->reg moves.
3177 (ix86_split_to_parts): Try to convert memory address into immediate
3178 when available in the constant pool.
3179 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3181 (LEGITIMATE_CONSTANT_P): Return 1.
3182 * i386.md (pushsf): New splitter to convert constant pool memory
3183 reference to immediate.
3184 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3187 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3189 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3190 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3191 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3192 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3193 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3195 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3197 * ginclude/stdbool.h: Support compilation as C++.
3199 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3201 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3203 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3205 * regclass.c (regclass): Properly compute loop_cost. Adjust
3208 * regclass.c: Fix minor whitespace problems.
3210 2000-01-03 Anthony Green <green@cygnus.com>
3212 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3213 Restore the pic register if required.
3215 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3217 * c-common.c (format_char_info): Update comment.
3218 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3219 was recognized. Emit warning for formats new in ISO C99 only
3220 if flag_isoc9x is not set.
3222 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3224 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3226 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3228 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3229 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3230 (make_compound_operation): Choose cheaper alternative between
3231 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3233 * regclass.c (op_costs): Remove global variable.
3234 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3235 (record_operand_costs): Break out from ...
3236 (scan_one_insn): ... here.
3237 (dump_regclass): Make dumps nicer.
3238 (regclass): Dump preferrences choosed and changes done during passes.
3240 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3242 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3244 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3246 * config/sparc/sparc.c (gen_df_reg): New function.
3247 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3248 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3249 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3250 movtf_cc_reg_sp64+1): Use it.
3252 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3254 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3257 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3259 * config/i386/i386.c (ix86_expand_unary_operator): Function
3260 definition made void.
3261 (ix86_expand_binary_operator): Update outdated preceding comment.
3262 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3265 * config/i386/i386.c (override_options): Fix option-name typo.
3267 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3269 * system.h (CEIL): Define.
3270 * builtins.c (CEIL): Remove.
3271 * expmed.c (CEIL): Likewise.
3272 * expr.c (CEIL): Likewise.
3273 * stor-layout.c (CEIL): Likewise.
3275 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3277 * expr.c (store_constructor_field): Fix typo introduced with last
3280 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3282 * tree.h (BINFO_N_BASETYPES): New macro.
3284 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3286 * expmed.c (emit_store_flag): Prevent losing a pending stack
3287 adjust the same way we prevent losing queued increments.
3289 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3291 * function.c (update_temp_slot_address): Handle case where sum of
3292 temporary address plus offset in register is a valid address.
3294 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3296 * genrecog.c (change_state) Corrected typo.
3298 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3300 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3301 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3302 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3304 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3306 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3307 case, expand GT comparisons correctly. Fix a comment before this
3310 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3312 * dwarfout.c: Include "frame.h"
3313 * dwarf2out.c: Likewise.
3314 * Makefile.in (dwarfout.o): Depend on frame.h
3315 (dwarf2out.o): Likewise.
3317 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3319 Restore i386 binary compatibility in Dwarf EH info.
3320 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3321 value of FIRST_PSEUDO_REGISTER.
3322 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3323 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3324 * dwarfout.c (output_reg_number): Ditto.
3325 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3326 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3328 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3330 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3331 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3332 (<hack>_RE_CT): not needed
3333 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3334 rewritten to scan the file text once only
3335 "template<..." test added
3336 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3337 (is_cxx_header): declaration added
3338 * fixinc/fixtests.c(is_cxx_header): removed
3339 (apply_fix_p_t): removed
3340 (double_slash_test): is_cxx_header is only called once now
3341 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3342 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3343 within the templates.
3344 The borken spelling of "broken" was fixed.
3345 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3346 The default level depends on FIXINC_DEBUG.
3348 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3351 Otherwise provide a declaration for atexit.
3352 (init_dummy): Make sure dummy call to atexit is nevertheless
3353 called with correct number of args.
3355 * frame.c: Update comments referring to other files.
3357 * libgcc2.c: Likewise.
3359 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * cse.c (free_element, get_element): Remove unused prototypes.
3363 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3366 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3369 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3371 * configure.in,configure: case arm for mn10200-*-* now sets
3372 float_format=i32 so that float.h will correctly claim "double"
3373 to be 32 bits. Ran autoconf to generate configure from .in file.
3375 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3377 * pa.md (conditional zero): If op1 is a register, force it into
3378 the same register as op0.
3380 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3382 * tree.h (BINFO_BASETYPES): Improve documentation.
3384 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3386 * configure.in (--enable-checking): Use a more portable `for'
3389 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3391 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3392 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3394 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3397 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3398 Delete descriptions.
3400 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3401 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3402 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3403 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3404 xm-svr4.h: Remove all instances of sys_siglist handling.
3406 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3408 * config/sparc/sparc.md (cmp_zero_qi,
3409 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3410 cmp_zero_extendqidi2_andcc_set): New patterns.
3412 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3414 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3415 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3416 (fpgnulib.c, xfgnulib.c): Add rules.
3417 * m68k/t-mot3300-gas: Likewise.
3419 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3421 * configure.in: Avoid [[ by using test and changequote. Add
3422 changequote required by 1999-12-14 change.
3423 * configure: Rebuild.
3425 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3427 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3429 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3431 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3432 * flow.c (find_use_as_address): Likewise.
3433 * function.c (fixup_var_refs_1): Likewise.
3434 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3435 * jump.c (invert_exp, redirect_exp): Likewise.
3436 * loop.c (replace_call_address): Likewise.
3437 (count_nonfixed_reads): Likewise.
3438 * rtlanal.c (modified_between_p): Likewise.
3439 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3440 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3441 * unroll.c (remap_split_bivs): Likewise.
3443 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3445 * diagnostic.c (v_message_with_decl): Use .* format specifier
3446 instead of building the format specifier width manually.
3448 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3449 determining whether to provide a prototype. Remove the
3450 sys_siglist clause in the conditional.
3452 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3454 * fold-const.c (operand_equal_p): Use memcmp to compare string
3456 Suggested by D. J. Bernstein
3458 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3460 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3461 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3463 * config/mips/mips.h (TARGET_64BIT): Likewise.
3464 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3465 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3466 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3467 dsps. Give routines proper names if SI/DI modes are not used.
3468 * longlong.h: Use DWunion instead of DIunion.
3470 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3472 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3473 GC_CHECKING, GC_ALWAYS_COLLECT.
3474 * configure.in: Allow --enable-checking with an argument
3475 listing check modes to enable.
3476 * config.in, configure: Rebuilt.
3477 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3478 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3479 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3480 ENABLE_GC_ALWAYS_COLLECT.
3481 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3483 * tree.h, tree.c: Change ENABLE_CHECKING to
3484 ENABLE_TREE_CHECKING throughout.
3486 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3488 * fold-const.c (fold_truthop): Properly check for FP RHS.
3490 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3492 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3493 * toplev.c (note_deferral_of_defined_inline_function): New
3494 function, split out from ...
3495 (rest_of_compilation): ... here. Use it.
3497 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3499 * expr.c (store_constructor): Don't call clear_storage if size is
3502 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3504 * Makefile.in (toplev.o): Depend on loop.h.
3506 * dwarfout.c: Include tm_p.h.
3508 * emit-rtl.c (restore_emit_status): Mark parameter with
3511 * final.c (final_scan_insn): Likewise.
3513 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3514 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3515 flow_depth_first_order_compute, flow_loop_pre_header_find,
3516 flow_loop_tree_node_add, flow_loops_tree_build,
3517 flow_loop_level_compute, flow_loops_level_compute,
3518 flow_loop_outside_edge_p): Add prototypes.
3519 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3521 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3522 Mark with ATTRIBUTE_NORETURN.
3524 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3526 * local-alloc.c (no_conflict_p): Likewise.
3528 * loop.c (insert_bct): Hide definitions of variables with hidden
3530 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3532 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3533 with ATTRIBUTE_UNUSED.
3534 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3535 (reg_scan): Likewise.
3537 * reload.c (find_reloads): Remove unused variables `changed'.
3539 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3541 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3542 Remove unused variable `insn'.
3544 * toplev.c: Include loop.h.
3545 (report_file_and_line): Remove unnecessary prototype.
3547 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3549 * unroll.c (biv_total_increment): Likewise.
3551 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3553 * reload1.c (emit_input_reload_insns): Restore old behaviour
3554 wrt. 'special' reloads.
3556 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3558 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3559 hash.h. (cse.c): Don't depend on hashtab.h.
3561 * cse.c: Don't include hashtab.h.
3562 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3564 * ggc-simple.c: Don't include hash.h.
3566 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3568 * dwarf2out.c (add_abstract_origin_attribute): Call
3569 gen_abstract_function on our function context.
3571 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3573 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3575 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3577 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3580 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3582 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3583 constraints to "a!r".
3585 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3587 * Makefile.in (calls.o): Depend on function.h.
3588 (alias.o): Likewise.
3590 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3592 * reload1.c (emit_reload_insns): Break out code and variables into...
3593 (input_reload_insns, other_input_address_reload_insns,
3594 other_input_reload_insns, input_address_reload_insns,
3595 inpaddr_address_reload_insns, output_reload_insns,
3596 output_address_reload_insns, outaddr_address_reload_insns,
3597 operand_reload_insns, other_operand_reload_insns,
3598 other_output_reload_insns): ... new static variables, and...
3599 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3600 do_output_reload): ... new functions.
3602 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3604 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3606 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3608 * md.texi: Add c4x constraints documentation.
3610 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3612 * config/i386/dgux.c (struct option): Rename to
3613 lang_independent_option.
3614 (struct m_options): Add description field.
3615 (output_options): Rename option type, add sep declaration, output
3616 ix86_cpu_string and ix86_arch_string only if set.
3617 (output_file_start): Rename option type.
3619 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3621 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3623 (libgcc2.a): Similarly.
3625 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3627 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3628 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3629 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3631 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3633 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3634 Remove redundant initialization of "frexpon" and "expon".
3636 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3638 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3640 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3641 (store_constructor_field, expand_expr): Pass new arg.
3643 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3645 * Makefile.in (explow.o): Depend on function.h.
3647 * stor-layout.c (set_sizetype): Fix typo.
3649 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3651 * function.c (cfun): Renamed from current_function. All users
3653 * function.h (cfun): Rename declaration as well.
3655 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3656 to be of type regset_head, not regset. All users changed by adding
3658 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3660 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3662 * config/c4x/rtems.h: New file.
3664 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3666 * reload1.c (spill_failure): Take class of failed reload as argument
3667 and print it. Caller changed.
3669 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3671 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3672 (TARGET_SWITCHES): Allow subtargets to default switches.
3673 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3675 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3677 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3680 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3682 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3683 * cppinit.c (cpp_handle_option): Likewise.
3685 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3686 determine when to define.
3688 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3690 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3691 cmove with mismatched test and data modes.
3693 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3695 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3698 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3700 * alias.c: Minor reformatting.
3703 * stor-layout.c: Likewise.
3704 * fold-const.c: Likewise.
3705 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3706 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3708 (size_int_wide): Cache nodes even if garbage collecting.
3709 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3710 of SAVE_EXPR has no side effects.
3711 * cse.c: Move a comment.
3712 * tree.c: Minor reformatting.
3713 (int_size_in_bytes): Return -1 if constant overflows.
3715 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3717 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3719 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3721 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3722 after any change to c-parse.in, even if objc-parse.y didn't
3725 1999-12-18 David S. Miller <davem@redhat.com>
3727 * toplev.c (rest_of_compilation): Restore BLOCK tree
3728 reconstruction and branch shortening changes lost in
3729 December 18th change.
3731 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3733 * config/arm/linux-elf.h: Change all instances of
3734 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3735 * config/arm/uclinux-elf.h: Likewise.
3737 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3739 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3740 v_message_with_decl, file_and_line_for_asm,
3741 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3742 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3743 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3744 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3745 pfatal_with_name, fatal_io_error, need_error_newline,
3746 last_error_function, last_error_tick, announce_function,
3747 default_print_error_function, print_error_function,
3748 report_error_function, fnotice, error_with_file_and_line,
3749 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3750 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3751 warning_with_decl, warning_for_asm, warning, pedwarn,
3752 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
3754 (compile_file): Use fnotice instead of notice. Adjust call.
3756 * diagnostic.c: New file.
3758 * Makefile.in (OBJS): Include diagnostic.o
3759 (diagnostic.o): Define dependence.
3761 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3763 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
3766 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3768 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
3770 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3772 * fixtests.c (is_cxx_header): New fn, split out of
3774 (else_endif_label): Allow "#endif // comment" in C++ headers,
3775 as determined by is_cxx_header.
3776 * fixfixes.c (else_endif_label_fix): Update comment.
3777 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
3779 * genfixes: Correct double thinko in commandline parsing.
3780 * hackshell.tpl: Generate correct sh syntax for bypass
3783 * inclhack.def (all): Whenever an inserted preprocessor
3784 conditional is split over multiple lines, use double
3785 backslashes in this file so the fixed header will be readable.
3787 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
3788 and add bypass entry for correct version of this header.
3789 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
3790 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
3792 (hpux8_bogus_inlines): New fix, split from...
3793 (ultrix_atof_param) ... here.
3794 (math_expression): Add bypass entry keyed to glibc comment
3795 indicating the problem has been dealt with; disable
3796 unnecessary sed operations; update commentary.
3797 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
3798 add select and bypass entries, simplify shell operation.
3799 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
3801 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
3802 ultrix_atof_param): Add select entry.
3803 (stdio_va_list, sunos_mather_decl): Add bypass entry.
3804 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
3805 comments with the fixes they describe.
3807 * c-parse.in (string action): Do not warn about ANSI string
3808 concatenation in system headers. Affects C parser only.
3809 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
3811 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3813 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
3814 compiling libgcc2 the macro depends always on arch cpp defines.
3816 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
3818 * loop.c (insert_loop_mem): Don't record MEMs from inside
3821 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
3823 * regclass.c (regclass): Do not use flowgraph when not optimizing.
3825 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
3826 notes too, create one when replacement failed, attempt to simplify
3828 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
3831 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3833 * crtstuff.c (__dso_handle): Declare.
3834 (__cxa_finalize): Likewise.
3835 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
3838 * invoke.texi: Document -fuse-cxa-atexit.
3840 * tree.h (ptr_type_node): Document.
3841 (const_ptr_type_node): Likewise.
3843 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3845 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
3846 (optimize_reg_copy_2): Likewise.
3847 (optimize_reg_copy_3): Likewise.
3848 (fixup_match_2): Likewise.
3849 (regmove_optimize): Likewise.
3850 (fixup_match_1): Liekwise.
3852 * i386.md (HI to SImode promoting splitters): Rewrite.
3853 (pushsf mem peep2): New.
3854 (testhi to andhi peep2): Remove.
3855 * i386.h (x86_promote_QImode): New.
3856 (TARGET_PROMOTE_QImode): New.
3857 (PREDICATE_CODES): Add promotable_binary_operator.
3858 * i386.c (x86_promote_QImode0: New.
3859 (promotable_binary_operator): New.
3860 * i386-protos.h (promotable_binary_operator): New.
3862 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
3864 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
3866 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3868 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
3869 * function.c (insert_block_after_note): Remove.
3870 (retrofit_block): Likewise.
3871 (identify_blocks): Fix indentation.
3872 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
3873 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
3874 * function.h (insert_block_after_note): Remove prototype.
3875 (retrofit_block): Likewise.
3876 * integrate.c (expand_inline_function): Don't call
3877 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
3878 just expand_start_bindings. Use the block_map to remap old
3879 NOTE_BLOCKs to new ones.
3880 (integrate_decl_tree): Keep track of remapped blocks.
3881 * integrate.h (struct inline_remap): Add block_map.
3882 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
3883 NOTE_BLOCK on the notes.
3884 (expand_start_bindings): Rename to ...
3885 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
3886 (expand_end_bindings): Set NOTE_BLOCK.
3887 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
3888 reconstruct the BLOCK tree.
3889 * tree.h (expand_start_bindings): Macroize. Call ...
3890 (expand_start_bindings_and_block): New function.
3892 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3894 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
3895 to match the format.
3897 1999-12-16 David S. Miller <davem@redhat.com>
3899 * expr.c (emit_move_insn_1): Only emit clobbers if one of
3900 the outputs is a SUBREG.
3901 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
3904 * config/sparc/sparc.c (epilogue_renumber): Add default case
3907 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3909 * toplev.c (rest_of_compilation): Run branch shortening after
3912 * regclass.c (loop_depth): Remove
3913 (scan_one_insn): Do not handle LOOP_NOTE insns.
3914 (regclass): Go through basic blocks and set loop_cost
3916 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
3918 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
3920 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3922 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
3923 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
3924 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
3926 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
3928 * loop.c (insert_loop_mem): Ignore memory clobbers.
3930 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
3933 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
3935 * profile.c: Remove redundant #include "output.h".
3937 * h8300.md (HImode preinc peephole): Fix typo.
3939 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3941 * function.c (retrofit_block): Abort if we don't find a suitable insn.
3942 (insert_block_after_note): Abort if we don't have a previous block.
3943 Remove FN parameter.
3944 * function.h: Adjust.
3946 1999-12-15 Mark Mitchell <mark@codesourcery.com>
3948 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
3949 argument more than once.
3951 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3953 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
3955 1999-12-15 Jakub Jelinek <jakub@redhat.com>
3957 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
3959 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3961 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
3962 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
3963 update stack_alignment_needed.
3964 (prepare_function_start): Initialize stack_alignment_needed
3965 * function.h (struct function): Add field stack_alignment_needed.
3967 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3969 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
3970 Handle live_throughout / dead_or_set instead of live_before /
3972 (save_call_clobbered_regs): Get register livenessinformation from
3973 chain->live_throughout.
3974 (add_stored_regs): New function.
3975 (insert_restore, insert_save): Add restored / saved registers to
3977 * global.c (reg_dies): New parameter chain.
3978 (reg_becomes_live): Third parameter is regs_set now.
3979 Changed all callers.
3980 (reg_dies): New parameter chain. Changed all callers.
3981 (build_insn_chain): Set live_throughout instead of
3982 live_before / live_after.
3983 * reload.h (struct insn_chain): Replace members live_before /
3984 live_after with live_throughout / dead_or_set.
3985 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
3986 instead of live_before / live_after.
3987 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
3988 (order_regs_for_reload, find_reg, finish_spills): Likewise.
3989 (choose_reload_regs_init): Likewise.
3990 * stupid.c (current_chain, find_clobbered_regs): Delete.
3991 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
3992 instead of chain->live_before / chain->live_after.
3993 (mark_hard_ref): New function.
3994 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
3996 1999-12-15 David S. Miller <davem@redhat.com>
3998 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4000 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4002 * flow.c (calculate_loop_depth): Make global, remove prototype,
4003 rewrite to use new loop infrastructure.
4004 (find_basic_block): Remove calculate_loop_depth call.
4005 * toplev.c (rest_of_compilation): Call find_basic_block.
4006 * output.h (calculate_loop_depth): Declare.
4008 * flow.c (dump_flow_info): Dump loop_depth.
4009 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4011 (flow_loops_find): Initialize the loop_depth for each basic block.
4013 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4015 * tree.c (decl_function_context): Handle virtual functions.
4017 * tlink.c (scan_linker_output): Don't look in demangled name when
4018 looking for linker output keywords.
4020 * dwarfout.c (output_type): We can defer namespace-scope classes.
4022 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4024 * regclass.c (record_reg_classes): Update comment for merging
4025 register class preferences in reg->reg copies. Tighten conditions
4026 for merging register class preferences in reg->reg copies.
4028 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4030 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4032 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4034 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4035 (INIT_SECTION_ASM_OP): Delete.
4036 (FINI_SECTION_ASM_OP): Delete.
4037 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4039 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4041 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4042 the abstract origin wasn't emitted.
4044 * dwarf2out.c (class_scope_p): New fn.
4045 (gen_subprogram_die): Use it.
4046 (gen_variable_die): Use it. Tweak logic.
4047 (gen_struct_or_union_type_die): Check context_die to determine
4048 if we're function-local.
4049 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4051 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4053 * loop.c (check_dbra_loop): Can't reverse a biv that has
4056 1999-12-14 Nick Clifton <nickc@cygnus.com>
4058 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4061 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4063 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4064 for givs made from biv increments.
4066 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4068 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4069 * alpha.c (override_options): Recognize -mcpu=ev67.
4070 * alpha.h (CPP_CPU_EV67_SPEC): New.
4071 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4072 (EXTRA_SPECS): Update.
4074 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4076 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4077 appropriate for -lang-c89 and -std=*.
4078 * cppinit.c (cpp_handle_option): Likewise.
4079 (new_pending_define): New, split out from cpp_handle_option.
4080 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4081 or enable trigraphs for -ansi/-std=*.
4083 * ginclude/stdarg.h (__va_copy): New.
4084 (va_copy): Don't define for C89.
4086 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4088 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4089 for long long multiply-accumulate.
4091 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4093 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4094 optimizing for size.
4096 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4098 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4099 if something changed. Back out that part of yesterday's changes.
4101 * loop.c (loop_max_reg): New static variable.
4102 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4104 (scan_loop): Call reg_scan_update whenever we may have added new
4105 registers, and update loop_max_reg.
4107 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4109 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4110 when source does not die.
4112 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4114 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4116 * config/sparc/linux64.h (TARGET_LIVE_G0,
4117 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4119 * config/sparc/linux.h (TARGET_LIVE_G0,
4120 TARGET_BROKEN_SAVERESTORE): Likewise.
4121 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4122 TARGET_BROKEN_SAVERESTORE): Likewise.
4124 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4125 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4127 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4128 as sparc64 block profiling register.
4129 * config/sparc/sparc.c (sparc_override_options): Allow block
4130 profiling with -m32.
4131 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4133 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4134 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4135 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4137 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4139 * config/sparc/sparc.h: Likewise.
4140 * config/sparc/xm-sysv4-64.h: Likewise.
4141 * config/float-sparc.h: Likewise.
4142 * glimits.h: Likewise.
4143 * longlong.h: Likewise.
4145 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4146 (ASM_IDENTIFY_GCC): Remove.
4148 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4150 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4151 (simplify_logical): Likewise.
4153 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4155 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4156 * cppfiles.c (INO_T_EQ): Likewise.
4158 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4160 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4161 * i386/mingw32.h (LIB_SPEC): Likewise.
4162 (STARTFILE_SPEC): Likewise.
4163 * i386/uwin.h (LIB_SPEC): Likewise.
4164 (STARTFILE_SPEC): Likewise.
4166 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4167 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4169 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4171 * combine.c (combine_simplify_rtx): Fix order of checks for
4172 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4174 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4176 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4177 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4179 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4181 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4183 * regclass.c (inv_reg_alloc_order): New array.
4184 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4186 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4187 counted_for_groups, counted_for_nongroups. Add fields rld and
4189 * reload.c (push_secondary_reload): Don't set nongroup field of
4191 (push_reload): Likewise.
4192 (find_reloads): Delete code to compute nongroup fields.
4193 * reload1.c (reload_insn_firstobj): New static variable.
4194 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4196 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4197 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4198 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4200 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4202 (struct hard_reg_n_uses): Deleted.
4203 (potential_reload_regs): Deleted.
4204 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4205 (reload): Don't try to allocate reload registers if we already know
4206 we have to make another pass. Call select_reload_regs. Free memory
4207 starting with reload_firstobj when starting another pass.
4208 Don't allocate spilled_pseudos.
4209 (calculate_needs_all_insns): Call copy_reloads for an insn that
4210 needs reloads; don't call calculate_needs.
4211 (spill_cost): New static array.
4212 (used_spill_regs_local): New static variable.
4213 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4214 to compute potential_reload_regs.
4215 (find_reload_regs): Completely rewritten to use find_reg.
4216 (allocate_reload_reg): Don't test counted_for_groups or
4217 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4219 (choose_reload_regs): Add fallback code that uses the existing
4220 register allocation from find_reload_regs.
4222 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4224 * flow.c (create_edge_list): Cast xmalloc return value.
4226 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4228 * doprnt.c: Remove incorrect comment closure.
4230 * cse.c: Fix a few minor whitespace goofs.
4232 1999-12-13 Don Bowman <don@pixstream.com>
4234 * mips/vxworks.h: Fix problem with comment termination.
4235 (EXTRA_SECTIONS): Add in_sbss.
4236 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4238 1999-12-12 David S. Miller <davem@redhat.com>
4240 * cse.c (struct cse_reg_info): Add hash_next member,
4241 reorder rest of struct for better packing on 64-bit
4243 (cse_reg_info_tree): Kill.
4244 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4245 REGHASH_FN): New custom pow2 hash mechanism.
4247 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4248 use a pow2 hash table.
4249 (get_cse_reg_info): Rework to use new REGHASH.
4250 (new_basic_block): Likewise, use HASH_SIZE, and inline
4252 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4253 and inline free_element call.
4254 (lookup_as_function, insert, flush_hash_table, invalidate,
4255 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4256 invalidate_for_call, use_related_value, find_comparison_args,
4257 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4258 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4261 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4263 * cse.c (cse_basic_block): Free qty_table consistently.
4265 1999-12-12 David S. Miller <davem@redhat.com>
4266 Jakub Jelinek <jakub@redhat.com>
4268 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4269 SUBREGs by hand, gen the appropriate hard reg directly.
4270 (movtf reg/mem split): Likewise and alter_subreg on destination
4272 (movtf mem/reg split): Similarly.
4273 (movdf_cc_sp64): Rename from hidden pattern.
4274 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4275 (movtf_cc_sp64, following split): New pattern and splitter.
4276 (movdf_cc_reg_sp64): Rename from hidden pattern.
4277 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4279 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4281 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4283 * loop.c (load_mems): Don't hoist written floating point mem
4286 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4288 * except.h (struct eh_queue): Add `next' pointer.
4289 (struct eh_status): Make x_ehqueue a pointer.
4290 (push_ehqueue): Declare.
4291 (pop_ehqueue): Likewise.
4292 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4294 (expand_fixup_region_end): Likewise.
4295 (expand_leftover_cleanups): Likewise.
4296 (push_ehqueue): Define.
4297 (pop_ehqueue): Likewise.
4298 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4299 than doing it inline.
4300 (expand_start_all_catch): Adjust now that ehqueue is a
4302 (mark_eh_queue): Mark all level of the queue.
4303 (mark_eh_status): Adjust now that ehqueue is a
4305 (init_eh_for_function): Allocate ehqueue.
4306 (free_eh_status): Free it.
4307 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4308 expansion for a fixup.
4310 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4314 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4315 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4316 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4317 function_ptr, getpagesize, __enable_execute_stack,
4318 __enable_execute_stack, __clear_insn_cache,
4319 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4320 _cleanup, _exit, __default_terminate, __terminate_func,
4321 __terminate, __empty, __throw, new_eh_context,
4322 eh_context_initialize, eh_context_static, eh_context_specific,
4323 get_eh_context, __get_eh_context, __get_eh_info,
4324 init_reg_size_table, eh_threads_initialize,
4325 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4326 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4327 __pure_virtual): Add prototype arguments.
4328 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4329 Cast a signed value to unsigned long when comparing against one.
4330 (new_eh_context): Wrap in _GTHREADS macro.
4331 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4333 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4334 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4336 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4338 * combine.c (record_promoted_value): Remove unused variable
4341 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4343 * global.c (record_conflicts): Likewise for `j'.
4345 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4348 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4351 output_fp_compare): Constify a char*.
4353 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4355 (override_options, ix86_comp_type_attributes, print_operand,
4356 output_387_binary_op, output_fix_trunc, output_fp_compare):
4358 (ix86_sched_reorder): Mark parameter `clock_var' with
4361 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4363 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4365 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4366 operand, for use in the Java front-end.
4368 1999-12-10 Ben Collins <bcollins@debian.org>
4370 * configure.in: Fix typo for "-64" in 64bit as check.
4371 * configure: Rebuilt.
4373 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4375 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4378 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4380 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4381 concatenation is utilized.
4383 * invoke.texi (-Wtraditional): Document it.
4385 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4387 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4388 Cast a ptrdiff_t to long and pass it to printf with %ld.
4390 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4392 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4393 68881, we have no 68881 registers at all.
4394 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4395 value in a 68881 register if it is available.
4397 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4399 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4400 for long long multiply-accumulate.
4402 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4404 * loop.c (insert_loop_mem): Undo last change.
4406 1999-12-10 David S. Miller <davem@redhat.com>
4408 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4410 * config/sparc/sparc-protos.h: Add them.
4411 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4412 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4413 constraints which use those helpers.
4414 (EXTRA_CONSTRAINT): Use this new macro.
4415 * md.texi: Update sparc target constraints documentation.
4416 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4417 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4418 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4419 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4420 (movsf high/lo_sum split): Rework for new patterns.
4421 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4423 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4425 * c-common.c (c_common_nodes_and_builtins):
4426 Create __builtin_ptrdiff_t and __builtin_size_t.
4428 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4430 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4432 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4434 * regclass.c (globalize_reg): Re-instate test that allows
4435 fixed registers to be declared as a variable even after functions
4438 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4440 * i386.md (cpu attribute): Add "athlon".
4441 (athlon_decode): New attribute.
4442 (Athlon scheduling units definitions): New.
4443 (fcmp and shld patterns): Set athlon_decode to "vector".
4444 * i386.c (athlon_cost): New.
4446 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4447 x86_use_sahf): Set for Athlon.
4448 (x86_use_fiop): Unset for Athlon.
4449 (override_options): Define Athlon alignments and "athlon" name.
4450 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4451 * i386.h (TARGET_ATHLON): New.
4452 (enum processor_type): Add PROCESSOR_ATHLON.
4453 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4455 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4457 1999-12-09 Andreas Jaeger <aj@suse.de>
4459 * loop.c (record_biv): Declare parameter as int.
4461 * config/i386/i386-protos.h: Declare long_memory_operand.
4463 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4465 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4466 EXPR_WITH_FILE_LOCATION.
4468 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4470 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4473 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4475 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4478 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4480 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4481 default on linux64 again.
4482 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4483 models for multilibing.
4484 * genmultilib: Accept | as alternative separator within a set in
4487 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4489 * calls.c (precompute_arguments): Make sure initial_value contains
4490 value pseudo which CSE expects.
4491 * cse.c (struct set): New entry orig_src.
4492 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4495 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4497 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4499 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4501 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4503 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4505 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4506 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4508 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4511 * longlong.h: Merge in changes from glibc.
4512 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4513 -mno-app-regs libgcc can be compiled.
4514 * libgcc2.c: Add defines so that the updated longlong.h
4515 can be used in libgcc2.a. Also, make sure on most architectures
4516 (at least on all which have optimized code in longlong.h defined
4517 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4519 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4521 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4522 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4523 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4525 * configure: Rebuilt.
4527 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4529 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4530 outputs require a register.
4532 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4534 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4535 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4536 functions like dptoul will be resolved.
4537 (libgcc2.a): Make sure that the object files from DPBIT are named
4538 differently (prefix `_dp') from those that would be coming from
4541 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4543 * configure.in: When target is sparc* and tm_file contains 64,
4544 test for 64bit support in assembler. If not supported, remove
4545 sparc/t-sol2-64 from target-dependent Makefile fragments.
4546 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4547 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4548 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4549 * acconfig.h (AS_SPARC64_FLAG): Added.
4550 * configure, config.in: Rebuilt.
4551 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4552 support. Use AS_SPARC64_FLAG.
4554 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4556 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4557 suitable for holding OFmode values so that gcc works with complex
4559 (hard_64bit_mode_classes): Likewise.
4561 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4562 so that it is actually matched.
4563 (sethi_di_medlow): Likewise.
4565 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4566 as legitimate constant if -mvis.
4567 * config/sparc/sparc.md (movtf): Likewise.
4568 (clear_sf): Use const_double_operand.
4569 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4571 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4572 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4573 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4574 routines, _Qp_* cannot be handled like that now.
4575 (INIT_TARGET_OPTABS): Likewise.
4576 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4577 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4578 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4579 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4580 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4581 divtf3, sqrttf3): New expanders.
4582 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4583 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4584 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4587 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4588 * configure: Rebuilt.
4589 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4590 -mcpu is given and we're doing 64bit compiles.
4592 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4594 * loop.h (struct induction): Add multi_insn_incr.
4595 * loop.c (basic_induction_var): New multi_insn_incr argument.
4596 Set it if we search back through previous insns for the biv.
4597 (record_biv): New multi_insn_incr argument; fill in struct induction.
4598 (strength_reduce): Discard an iv with multiple bivs, any of
4599 which require multiple insns to increment.
4601 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4603 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4606 1999-12-06 David S. Miller <davem@redhat.com>
4608 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4609 PROMOTE_FUNCTION_RETURN.
4611 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4613 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4614 and handle REG_UNUSED note on insn.
4616 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4617 inner_mask instead of mask.
4619 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4621 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4622 zero if there was an error.
4624 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4626 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4629 * longlong.h: Fix clobbers in SPARC asm statements.
4631 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4632 valid sethi operations when TARGET_ARCH64.
4634 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4635 always use move_by_pieces to avoid infinite recursion.
4636 (restore_fixed_argument_area): Likewise.
4638 * combine.c (check_promoted_subreg, record_promoted_value): New
4640 (combine_instructions): Use them to retain nonzero and sign bit
4641 information after SUBREGs are eliminated by optimizations in
4642 this pass if PROMOTE_FUNCTION_RETURN.
4644 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4645 .register declaration. Don't use variables with __ prefixes.
4647 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4649 * fold-const.c (optimize_bit_field_compare): Only use one mode
4650 for both RHS and LHS in non-constant case.
4652 1999-12-06 Nathan Sidwell <nathan@acm.org>
4654 * frame.c (start_fde_sort): Only allocate erratic array, if
4655 linear one was allocated. Return allocated flag.
4656 (fde_insert): Only insert, if there's a valid array.
4657 (fde_end_sort): Split, sort and merge if linear and erratic
4658 arrays exist, else just sort linear one.
4659 (search_fdes): New function. Linear search through original fde
4661 (frame_init): Permit multiple initializations. Cope with
4663 (find_fde): Fallback on linear search, if failed to sort array.
4664 (__deregister_frame_info): Only free sorted array, if we
4667 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4669 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4671 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4673 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4675 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4677 * tree.h (special_function_p): Declare.
4678 * calls.c (special_function_p): Make it global. Don't take `name'
4679 as a parameter. Fix typo in 1999-11-28 change.
4680 (expand_cal): Adjust.
4682 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4684 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4685 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4686 EXPR_WFL_FILENAME_NODE.
4687 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4689 * print-tree.c (print_note): Print TREE_PRIVATE and
4692 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4693 the original die cannot be found.
4695 * varray.h (varray_head_tag): Add elements_used.
4696 (VARRAY_PUSH): New macro.
4697 (VARRAY_POP): Likewise.
4698 (VARRAY_TOP): Likewise.
4699 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4701 * varray.c (varray_init): Initialize elements_used.
4702 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4703 (INTEGRATE_H): New variable.
4704 (integrate.o): Depend on INTEGRATE_H.
4705 (unroll.o): Likewise.
4707 * function.h (insert_block_after_note): Declare.
4708 * function.c (insert_block_after_note): Split out from ...
4709 (retrofit_block): ... here.
4711 * stmt.c (expand_fixup): Fix typo in comment.
4713 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4715 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4716 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4717 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4718 (regmove_optimize, fixup_match_1): Likewise.
4720 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4722 * flow.c (flow_loops_dump): Add missing argument when calling
4725 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4726 Greg McGary <gkm@gnu.org>
4728 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4729 (init_attributes): Add A_NO_LIMIT_STACK.
4730 (decl_attributes): Handle A_NO_LIMIT_STACK.
4731 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4732 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4733 Handle stack bounds checking.
4734 * flags.h (flag_stack_check): Use the word 'probe' rather than
4735 'check', because the flag doesn't actually cause any checking to
4737 * function.c (expand_function_start): Set
4738 current_function_limit_stack.
4739 * function.h (struct function): Add limit_stack.
4740 (current_function_limit_stack): Define.
4741 * invoke.texi (Code Gen Options): Document new options.
4742 * rtl.h: Declare stack_limit_rtx.
4743 * toplev.c (stack_limit_rtx): New variable.
4744 (decode_f_option): Handle new options -fstack-limit-register=REG,
4745 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4746 (main): Add stack_limit_rtx as GC root.
4747 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4748 (struct tree_decl): New member no_limit_stack.
4750 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4752 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4753 (conditional_trap+1): Get new mnemonic correct.
4754 (conditional_trap+2): New pattern for DImode traps.
4756 * config/m68k/m68k.c (output_function_prologue): Handle
4758 * config/m68k/m68k.md (trap): New insn.
4759 (conditional_trap): New insn.
4760 * md.texi (Standard Names): Document `trap' and
4762 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
4763 so a cc0 setter doesn't get emitted at some random place in the
4766 * config/i960/i960.md (trap): New insn.
4767 (conditional_trap): New expander.
4768 (conditional_trap+1, conditional_trap+2): New insns for signed
4770 * config/i960/i960.c (i960_function_prologue): Use
4771 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
4773 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
4774 Geoffrey Keating <geoffk@cygnus.com>
4776 * flags.h (warn_padded, warn_packed): Add global var decls.
4777 * toplev.c (warn_padded, warn_packed): Add global var defns.
4778 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
4779 * stor-layout.c (layout_record): Add local variable `type'
4780 to hold often-used TREE_TYPE (field). Add local variable
4781 `unpacked_align' to hold alignment that would be in force
4782 if no `packed' attribute were present. Warn if `packed' attribute
4783 is unnecessary, or even harmful. Warn when gcc inserts padding
4784 to satisfy alignment requirements of members. Use NULL_TREE
4785 when checking whether var_size is set.
4786 * invoke.texi: Document new flags.
4788 1999-12-03 Nathan Sidwell <nathan@acm.org>
4790 * frame.c (fde_split): Reimplement to avoid variable sized array.
4792 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4794 * combine.c (try_combine): Before fixing up LOG_LINKS for the
4795 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
4797 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
4799 * invoke.texi: Document the mips option -mno-crt0
4801 1999-12-02 Mike Karr <mkarr@mathworks.com>
4803 * cccp.c (argdata): Added free_ptr member.
4804 (macroexpand): Initialize free_ptr of each argument. When an
4805 argument's buffers are freed, if the argument's free_ptr corresponds
4806 to a buffer on the input stack, then return the free_ptr to that stack
4807 frame, otherwise, free it.
4808 (macarg): If an argument begins and ends on the same input stack level,
4809 then transfer the free_ptr of that buffer to the argument in case
4810 the stack is popped during the processing of a subsequent argument.
4812 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
4814 * loop.c (note_reg_stored): New function.
4815 (struct note_reg_stored_arg): New structure.
4816 (try_copy_prop): Change to be more conservative; only replace within
4817 one extended basic block and stop replacing if a store to the
4818 replacement reg is seen.
4820 1999-12-02 Nick Clifton <nickc@cygnus.com>
4822 * config/fp-bit.c: Initialise all fields of the NAN
4825 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
4828 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4830 * i386.md (extend?f?f2): Force the input into a register, not
4833 1999-12-01 Jakub Jelinek <jakub@redhat.com>
4835 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
4837 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
4838 alternative because setting up 64bit constant is usually costly,
4839 especially when reload is in progress or completed.
4840 (movdf_const_intreg_sp64): Likewise.
4841 (movdf_const_intreg split): Fix building up constants when
4842 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
4844 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
4846 * combine.c (if_then_else_cond): Use const_true_rtx instead of
4847 const1_rtx for return values in EQ/NE comparison against (const_int 0)
4850 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
4851 (asm_file_start): Emit .am33 into assembly file when compiling for
4853 (print_operand_address): Handle POST_INC addresses.
4854 (can_use_return_insn, initial_offset): Check AM33 registers too.
4855 (expand_prologue): Check & save AM33 registers too.
4856 (expand_epilogue): Similarly.
4857 (secondary_reload_class): Handle AM33 specific secondary reloads.
4858 (output_tst): Emit efficient code for the AM33 too.
4859 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
4860 (TARGET_SWITCHES): Add -mam33 switch.
4861 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
4862 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
4863 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
4864 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
4865 (enum reg_class, REG_CLASS_NAMES): Likewise.
4866 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
4867 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
4868 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
4869 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
4870 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
4871 (HAVE_POST_INCREMENT): Define.
4872 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
4873 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
4874 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
4875 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
4876 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
4877 (zero_extend to SI from QI/HI): Likewise.
4878 (sign_extend to SI from QI/HI): Likewise.
4879 (mulsidi3, umulsidi3): New patterns for the AM33.
4880 (tstsi with zero extension from QI/HI): Add AM33 variants.
4881 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
4882 (return_internal_regs, store_movm): Handle new AM33 registers.
4883 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
4884 (LIBGCC, INSTALL_LIBGCC): Likewise.
4885 * invoke.texi: Document new flags.
4887 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
4889 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
4890 (addsi3_carry): Likewise.
4891 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
4892 (sbbsi3_carry): Likewise.
4893 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
4895 (test?i_1): Ensure that only one operand is memory.
4896 (conditional move patterns): likewise.
4897 (shift and rotate patterns): Rewrite to expander, add
4898 "binary_operator_ok" to the condition.
4900 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
4901 * i386.h (procesor_costs): Add movzbl_load field.
4902 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
4903 non-Q registers, accept DImode registers anywhere.
4905 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
4906 * i386.c (*_cost): Set value for movxbl_load field.
4908 * (addsi): New add to lea splitter.
4910 (lea to add/shift peep2): New.
4912 1999-12-01 Mark Salter <msalter@cygnus.com>
4914 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
4915 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
4916 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
4918 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4920 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
4921 * i386.md (movsi_xor): New.
4923 (movsi_1, movhi_1, movqi_1): Remove.
4924 (movsi_2): Rename to movsi_1.
4925 (movhi_2): Rename to movhi_1.
4926 (movqi_2): Rename to movqi_1.
4927 (movdi_1): Remove; remove splitter.
4928 (movdi_2): Rename to movdi_1.
4929 (divmodsi4 splitter): Do not emit clobbers for move patterns.
4930 (long move peep2): Do not create QI or HI mode mov0s
4931 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
4933 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
4936 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
4937 (abs?f2_if): Likewise.
4939 1999-11-30 Alex Samuel <samuel@codesourcery.com>
4941 * ggc.h (ggc_test_and_set_mark): New macro.
4942 (ggc_mark_rtx): Use ggc_test_and_set_mark.
4943 (ggc_mark_tree): Likewise.
4944 (ggc_mark_rtvec): Likewise.
4945 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
4947 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
4949 * dwarf2out.c (scope_die_for): Only handle types. Only search for
4951 (decl_scope_table): Just an array of trees now.
4952 (push_decl_scope): Simplify.
4953 (dwarf2out_init): Adjust.
4954 (local_scope_p): New fn.
4955 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
4956 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
4957 (gen_typedef_die): Likewise.
4958 (gen_lexical_block_die): Don't call push/pop_decl_scope.
4959 (gen_inlined_subroutine_die): Likewise.
4960 (gen_abstract_function): Set current_function_decl temporarily.
4961 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
4962 Handle block extern declarations. Don't call push/pop_decl_scope.
4963 (gen_decl_die): Fix logic for block externs.
4965 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4967 * calls.c (special_function_p): Remove `realloc' and add `strdup'
4968 to the list of functions which have attribute malloc by default.
4970 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4972 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
4973 integer constant does not match the traditional type, limit the
4974 warnings to cases where the base of the type is ten.
4976 * invoke.texi (-Wtraditional): Document it.
4978 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4980 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
4981 * rs6000.md: Only access a CONST_INT with INTVAL
4983 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
4985 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
4986 (compute_nearerout): Likewise.
4987 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
4988 size_t to unsigned long for formatting.
4990 1999-11-30 Jakub Jelinek <jakub@redhat.com>
4992 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
4993 Allow the user to override call-used/fixed state of %g2-5
4994 registers from the command line (with the exception of %g4 for
4996 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
4997 there is a higher chance of having a leaf function.
4998 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
4999 for ARCH64 which has %ccr register.
5000 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5002 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5003 insn accept into delay slot any insn which does not use %[ol]
5004 registers. Accept some LO_SUM and shift left by 1 for the normal
5006 (output_function_epilogue): Likewise.
5007 (epilogue_renumber): Added argument which inhibits any renumbering
5008 and just tests if the rtx does not use any %[ol] registers.
5009 (output_return): Reflect above change.
5011 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5013 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5014 aggregate passing for sizes <= 16 bytes.
5016 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5018 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5019 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5020 * reload.c (find_dummy_reload): Likewise.
5021 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5022 * reload1.c (reload_as_needed): Likewise.
5023 * stupid.c (stupid_find_reg): Likewise.
5024 * tm.texi (Obsolete Register Macros): Delete section.
5025 * gmicro.h: Remove all traces of the two macros.
5030 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5032 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5033 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5034 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5035 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5036 units for the sparclite86x chip.
5037 (flush): Revert October 14th change; add SImode specifically.
5038 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5039 * invoke.texi: Document it.
5041 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5043 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5044 psimode_truncation_operand.
5046 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5047 function. Return true if the operand is either a MEM valid
5048 for a PSImode address or not a MEM at all.
5050 * config/mn10200/mn10200.md (truncsipsi2): Use
5051 psimode_truncation_operand.
5053 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5055 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5056 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5057 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5058 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5059 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5060 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5061 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5062 * basic-block.h: Protect from multiple inclusion.
5063 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5064 (struct loops, struct loop): Define structures.
5065 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5066 * sbitmap.h: Protect from multiple inclusion.
5067 (sbitmap_a_subset_b_p): Add prototype.
5068 * Makefile.in (LOOP_H): New macro.
5069 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5071 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5073 * cppinit.c (CAT): The argument list of this macro may not contain
5076 1999-11-29 David S. Miller <davem@redhat.com>
5078 Move quantity tables and register equivalence chains into
5079 per-qty and per-register structure arrays respectively.
5080 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5081 qty_const_insn, qty_comparison_code, qty_comparison_const,
5082 qty_comparison_qty): Delete, replace with...
5083 (qty_table): this structure table.
5084 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5085 (reg_eqv_table): this structure table.
5086 (make_new_qty): Add argument MODE. Caller updated.
5087 Update to use qty_table and reg_eqv_table.
5088 (make_regs_eqv, delete_reg_equiv, insert_regs,
5089 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5090 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5091 cse_process_notes, cse_main, cse_basic_block): Likewise.
5093 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5095 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5096 operation if C is negative.
5097 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5098 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5099 law for some divisions if constant is negative and change other
5100 divisions to the opposite rounding.
5102 * expr.c (store_constructor_field): If bit position is not multiple
5103 of alignment of TARGET's mode, use BLKmode.
5105 * expr.c (expand_expr_unaligned): Add more code from full case
5106 that is needed when OP0 is in a register.
5108 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5110 * dwarfout.c (field_byte_offset): Size can be zero if there was
5113 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5115 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5116 (associate_trees): Delete unused var TEM.
5117 (extract_muldiv): Delete unused var CANCEL_P.
5119 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5120 (target_isinf, target_isnan, target_negative): Add return types to
5121 function definitions.
5123 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5125 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5126 * fixinc/hackshell.tpl: ditto
5127 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5128 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5130 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5132 * reload.c (push_reload): When looking for a register to put into
5133 reg_rtx, make sure all hard regs in a multi-reg register are in the
5134 right class and nonfixed.
5136 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5137 pending_read_insns, pending_write_insns, pending_read_mems,
5138 pending_write_mems, pending_list_length, last_pending_memory_flush,
5139 last_function_call, sched_before_next_call): Move static variables
5141 (bb_ prefixed versions): Replace with single array bb_deps.
5142 (struct deps): New structure.
5143 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5144 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5145 argument of type "struct deps *"; use that instead of global
5146 variables. All callers changed.
5147 (init_rgn_data_dependencies): Delete function.
5148 (init_rtx_vector): Delete function.
5149 (init_deps): New function.
5151 (free_pending_lists): Simplify, we always use the bb_deps array even
5152 if only one basic block.
5153 (compute_block_backward_dependences): Likewise.
5154 (schedule_region): Likewise.
5156 (propagate_deps): New function, broken out of
5157 compute_block_backward_dependences.
5158 (compute_block_backward_dependences): Use it.
5160 * alpha.md: Delete useless patterns that tried to work around
5161 register elimination problems.
5163 * unroll.c (loop_iterations): Don't abort if iteration variable
5166 From Joern Rennecke:
5167 * reload1.c (reloads_conflict): Reverse test comparing operand
5168 numbers when testing for conflict between output/outaddr reloads.
5170 1999-11-29 David S. Miller <davem@redhat.com>
5172 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5174 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5176 1999-11-28 Robert Lipe <robertl@cygnus.com>
5178 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5179 table from .fini into .dtor.
5181 1999-11-28 Anthony Green <green@cygnus.com>
5183 * tree.h (struct tree_decl): Add malloc_flag.
5184 (DECL_IS_MALLOC): Define.
5185 * c-common.c (attrs): Add A_MALLOC attribute.
5186 (init_attributes): Add this attribute to the table.
5187 (decl_attributes): Handle malloc attribute.
5188 * calls.c (special_function_p): Check for the malloc attribute.
5189 * extend.texi (Function Attributes): Document malloc attribute.
5191 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5193 * pa.md (reload shift-add patterns): Remove.
5195 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5197 * reorg.c (dbr_schedule) Print more statistics. Corrected
5198 problem when printing info when 3 delay slots are filled.
5200 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5202 * combine.c (setup_incoming_promotions): Pass an outgoing
5203 regno to FUNCTION_ARG_REGNO_P which it expects.
5205 1999-11-28 Andreas Jaeger <aj@suse.de>
5207 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5209 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5211 * cccp.c (do_include): Avoid initialization of automatic variable.
5213 * integrate.c (mark_stores): Function definition made void, to match
5214 previous declaration.
5215 * regclass.c (dump_regclass): Ditto.
5216 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5218 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5220 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5221 known to be multiple of divisor.
5223 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5225 * combine.c (try_combine): Add code to try to merge a set of a
5226 two-word pseudo to a constant with a setting of one of those words
5229 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5230 (split_tree): Completely rework to make more general.
5231 (make_range, fold): Call negate_expr.
5232 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5233 (fold, associate): Call new split_tree and associate_trees.
5234 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5236 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5238 * loop.c (try_copy_prop): Avoid GNU C extension.
5240 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5242 * except.c (init_eh_for_function): Still zero eh_return_context,
5243 eh_return_stack_adjust, and eh_return_handler.
5245 * except.h (eh_status): Adjust documentation for x_protect_list.
5246 (begin_protect_partials): New function.
5247 * except.c (enqueue_eh_entry): Fix formatting.
5248 (get_first_handler): Add consistency check.
5249 (add_partial_entry): Adjust usage of protect_list.
5250 (emit_cleanup_handler): Save and restore ehqueue.
5251 (expand_start_all_catch): Add comment.
5252 (begin_protect_partials): New function.
5253 (end_protect_partials): Adjust usage of protect_list.
5254 (init_eh_for_function): Use xcalloc.
5256 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * c-common.c (check_format_info): Don't call a variadic function
5259 with a non-literal format string.
5261 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5263 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5264 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5267 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5270 * collect2.c (collect_wait): Likewise.
5272 * dbxout.c (dbxout_type): Likewise.
5274 * gcc.c (do_spec_1): Likewise.
5276 * genemit.c (gen_insn, gen_expand): Likewise.
5278 * genrecog.c (write_switch, write_subroutine): Likewise.
5280 * mips-tfile.c (catch_signal, botch): Likewise.
5282 * print-rtl.c (print_rtx): Likewise.
5284 * toplev.c (default_print_error_function, report_error_function,
5285 _fatal_insn): Likewise.
5287 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5289 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5291 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5293 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5294 operations when needed.
5295 * i386.md (fop_?f_comm): New.
5296 (fop_?f_1): Do not accept commutative operands.
5298 1999-11-25 Andreas Jaeger <aj@suse.de>
5300 * config/mips/mips.md (casesi_internal): Add missing brace.
5302 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5304 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5305 (splice_child_die): Handle moving a child DIE from the declaration
5306 DIE of a class to its specification.
5307 (gen_struct_or_union_type_die): Use 'complete' consistently.
5308 (gen_decl_die): Generate the virtual context DIE first.
5309 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5311 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5313 * config/mips/mips.md (call_value_multiple_interanal1): New.
5315 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5317 * dwarf2out.c (free_AT, free_die): New fns.
5318 (remove_children): Call them.
5319 (output_line_info): Disable removal of duplicate notes.
5321 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5322 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5323 means pretend the type isn't defined.
5324 Don't defer emitting types.
5325 (gen_type_die_for_member): New fn.
5326 (gen_decl_die): Call it.
5327 (splice_child_die): New fn.
5328 (gen_member_die): Call it rather than generate duplicate dies.
5330 Defer emitting information for the abstract instance of an inline
5331 until we either inline it or emit an out-of-line copy.
5332 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5333 from output_inline_function if DECL_ABSTRACT is also set.
5334 (block_ultimate_origin): Likewise.
5335 (gen_abstract_function): New fn.
5336 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5337 (gen_subprogram_die): An abstract instance is not a declaration
5338 just because it doesn't match current_function_decl. Don't abort
5339 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5340 has an abstract origin.
5341 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5342 abstract instance here.
5344 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5346 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5347 where we need to reload fpul from a system register.
5349 1999-11-24 Andreas Jaeger <aj@suse.de>
5351 * config/mips/linux.h (CPP_PREDEFINES): Added.
5352 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5354 1999-11-24 Andreas Jaeger <aj@suse.de>
5356 * config/mips/linux.h (TARGET_VERSION): Added.
5357 (HANDLE_SYSV_PRAGMA): Added.
5358 (DEFAULT_VTABLE_THUNKS): Added.
5360 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5362 * local-alloc.c (qty): New structure and static variable.
5363 (qty_phys_reg): Remove, all references changed to qty.
5364 (qty_n_refs): Likewise.
5365 (qty_min_class): Likewise.
5366 (qty_birth): Likewise.
5367 (qty_death): Likewise.
5368 (qty_size): Likewise.
5369 (qty_mode): Likewise.
5370 (qty_n_calls_crossed): Likewise.
5371 (qty_alternate_class): Likewise.
5372 (qty_changes_size): Likewise.
5373 (qty_first_reg): Likewise.
5374 (alloc_qty): Rename variable QTY to QTYNO.
5375 (finf_free_reg): Likewise.
5376 (local_alloc): Allocate qty, do not allocate the removed variables.
5378 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5380 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5381 when -membedded-pic is passed.
5383 * config/mips/mips.md (casesi): Handle 64-bit case too.
5384 (casesi_internal_di): New insn.
5386 * config/mips/mips.c (embedded_pic_offset): Always make the
5387 embedded-pic subtractions relative to the name of the current
5388 function by use of the magic string "..CURRENT_FUNCTION".
5389 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5391 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5393 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5394 of (const_int 0), when what we really care about is
5395 whether it's a zero constant anyway.
5396 (div_trap_mips16): Likewise.
5398 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5400 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5401 unroll_block_trees when generating debuggable code.
5403 * tree.h (unsave_expr_1): New function.
5404 (lang_unsave): New variable.
5405 (get_callee_fndecl): New function.
5406 * tree.c (unsave_expr_now_r): New function.
5407 (lang_unsave): Define.
5408 (unsave_expr_1): Likewise.
5409 (unsave_expr_now_r): Split out from unsave_expr_now.
5410 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5411 call unsave_expr_now_r.
5412 (get_callee_fndecl): Define.
5414 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5415 (gencheck.o): Do depend on lang_tree_files.
5417 * integrate.h (copy_decl_for_inlining): New declaration.
5418 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5419 (copy_decl_for_inlining): New function.
5420 (integrate_parm_decls): Use it.
5421 (integrate_decl_tree): Likewise.
5423 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5425 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5426 the second two from the first.
5427 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5428 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5429 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5431 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5432 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5435 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5437 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5438 needed on the address operand.
5439 * pa.c (call_operand_address): Check for the correct mode.
5441 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5443 * loop.c: Include "basic-block.h".
5444 (try_copy_prop, replace_loop_reg): New functions.
5445 (load_mems): Detect registers that just hold copies of the hoisted
5446 mem, and call try_copy_prop to eliminate them.
5447 * Makefile.in (loop.o): Update dependencies.
5449 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5451 * Makefile.in (gencheck.o): Depend on gencheck.h.
5452 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5453 (insn-peep.o): Depend on except.h and function.h.
5454 (insn-attrtab.o): Depend on RECOG_H.
5455 (insn-output.o): Depend on toplev.h and flags.h.
5456 (gengenrtl.o): Depend on real.h.
5457 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5458 Unify all dependencies to be on RECOG_H rather than recog.h.
5460 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5462 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5463 * configure.in: Try building a bi-arch 32/64-bit compiler on
5464 sparc-*-solaris2.7 and higher.
5465 * configure: Rebuild.
5467 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5469 * config/freebsd.h: New, FreeBSD architecture independent file.
5470 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5472 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5473 directly by i386/freebsd.h.
5474 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5475 independent configuration file.
5476 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5477 directly by i386/freebsd.h.
5478 * configure: Rebuilt.
5480 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5481 which is in the user's namespace.
5482 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5483 `i386' which is not in our namespace.
5485 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5487 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5489 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5491 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5492 (add_dwarf_attr, add_child_die): Just push onto the front.
5493 (reverse_die_lists): New fn.
5494 (add_sibling_attributes): Use it.
5495 (push_decl_scope): Reorganize.
5496 (add_name_and_src_coords_attributes): Don't set file and line for
5498 (gen_subprogram_die): An artificial function doesn't need to match
5500 (gen_compile_unit_die): Return the generated die. Only add
5501 AT_comp_dir if the filename is relative.
5502 (remove_AT): Simplify loop. Also free string values.
5503 (output_die): A DIE ref can't be null.
5504 (output_value_format, value_format): Take a dw_attr_ref.
5505 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5506 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5507 AT_addr, AT_lbl): New fns.
5508 (various): Use them.
5509 (various): Constify.
5511 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5513 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5514 take SUBREG_WORD into account.
5515 (if_then_else_cond): Likewise.
5517 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5519 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5520 clause from BSD license, pursuant with
5522 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5524 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5526 * loop.c (load_mems): Reformat slightly.
5527 * basic-block.h (regset_head): New typedef.
5528 (INIT_REG_SET): New macro.
5530 1999-11-22 Bruce Korb <autogen@linuxbox.com
5532 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5533 (mips-dec-bsd*): non-functional code
5534 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5536 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5537 added three replacement fixes
5538 (no_double_slash): removed comments that are not (any longer) pertinent
5539 (bad_lval): this fix currently runs against many files.
5540 The comment seems to indicate that we should select for files
5541 containing 'pragma extern_prefix'.
5543 * fixinc/fixinc.x86-linux-gnu: deleted
5544 * fixinc/inclhack.sh: regen
5545 * fixinc/fixincl.x: regen
5546 * fixinc/fixincl.sh: regen
5548 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5550 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5551 its code is INSN and it has no notes.
5553 1999-11-22 Andrew Haley <aph@cygnus.com>
5555 * varasm.c (function_defined): Remove.
5556 (make_function_rtl): Don't set function_defined.
5557 (make_decl_rtl): Remove global register warning.
5558 * regclass.c (no_global_reg_vars): New variable.
5559 (globalize_reg): Warn if function has already been defined.
5560 (regclass_init): Set no_global_reg_vars.
5562 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5564 * regclass.c (reg_pref): New structure and static variable
5565 (prefclass): Delete.
5567 (all uses of prefclass and altclass): Use reg_pref instead.
5569 1999-11-21 Nick Clifton <nickc@cygnus.com>
5571 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5573 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5574 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5575 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5577 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5579 * varasm.c (output_constructor): Solve problem with long long
5580 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5582 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5584 * global.c (allocno): New structure and static variable.
5585 (allocno_reg): Remove, all references replaced by allocno.
5586 (allocno_size): Likewise.
5587 (hard_reg_conflicts): Likewise.
5588 (hard_reg_preferences): Likewise.
5589 (hard_reg_copy_preferences): Likewise.
5590 (hard_reg_full_preferences): Likewise.
5591 (regs_someone_prefers): Likewise.
5592 (allocno_calls_crossed): Likewise.
5593 (allocno_n_refs): Likewise.
5594 (allocno_live_length): Likewise.
5595 (find_reg): Rename ALLOCNO to NUM.
5597 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5599 (may_move_out_cost): New variable.
5600 (init_reg_sets_1): Initialize may_move_out_cost.
5601 (record_reg_classes): Use may_move_out_cost.
5603 * regclass.c (dump_regclass): New function.
5604 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5605 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5606 pass rtl_dump_file to regclass.
5607 * rtl.h (regclass): Update prototype.
5609 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5611 * i386.md (neg, not and abs patterns): Revmap to use
5612 ix86_expand_unary_operator and ix86_unary_operator_ok.
5613 (add?f and sub?f expanders): Force operand 1 to register.
5614 * i386.c (ix86_expand_unary_operator): Rewrite.
5615 (ix86_unary_operator_ok): Ensure that memory operands
5617 (ix86_binary_operator_ok): Do not allow operand 1 to
5618 come into memory and operand 0 not.
5619 (ix86_expand_binary_operator): Ensure that
5620 src1 is not non-matching memory.
5622 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5623 to support integer registers and memory.
5624 (abss?2_integer): Likewise.
5626 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5627 (REG_CLASS_NAMES): Likewise.
5628 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5630 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5631 (movsf): Likewise; unify 4th and 5th alternative.
5633 (movdf_1): Likewise; rename to movdf_integer.
5634 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5635 remove redundant splitter.
5636 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5637 (movdf_nointeger): New.
5638 (movxf_nointeger): New.
5639 (pushxf_nointeger): New.
5641 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5642 memory operands in patterns.
5643 (fop*): Refuse two memory operands.
5645 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5646 on !TARGET_USE_CLTD CPUs.
5648 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5650 * extend.texi: Document C++ restricted pointers and references.
5652 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5654 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5655 (invalidate_skipped_set): Call it unconditionally.
5656 (cse_set_around_loop): Likewise.
5658 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5660 * rtl.texi (mem): Add documentation for alias-set argument
5663 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5665 * i386.h (struct_processor_costs): New fields int_load, int_store,
5666 fp_move, fp_load and fp_store
5667 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5669 (MEMORY_MOVE_COST): New macro.
5670 * i386.c (386_cost): Define new fields.
5671 (i486_cost): Likewise.
5672 (pentium_cost): Likewise.
5673 (pentiumpro_cost): Likewise.
5674 (k6_cost): Likewise.
5676 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5677 Geoffrey Keating <geoffk@cygnus.com>
5679 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5681 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5684 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5685 (TARGET_STRICT_ALIGNMENT): New macro.
5686 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5687 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5688 * invoke.texi (M680x0 Options): Document -mstrict-align.
5690 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5691 Richard Henderson <rth@cygnus.com>
5693 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5694 (ix86_split_long_move): Declare.
5695 * i386.c (split_xf, ix86_split_movdi): Remove.
5696 (ix86_split_to_parts, ix86_split_long_move): New.
5697 * i386.md (dimode move splitters): Use ix86_split_long_move.
5698 (dfmode move splitters): Likewise.
5699 (xfmode move splitters): Likewise.
5700 (movsf_1): Allow F->r.
5701 (movdf_1, movxf_1): Allow F->ro.
5703 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5705 * except.h (struct eh_entry): Add goto_entry_p.
5706 (eh_region_from_symbol): Remove prototype.
5707 * except.c (find_func_region_from_symbol): New function.
5708 (emit_cleanup_handler): Likewise.
5709 (eh_region_from_symbol): Make it static.
5710 (add_new_handler): Verify the argument.
5711 (find_func_region): Update comment.
5712 (expand_eh_region_end): Expand handlers here, rater than waiting
5713 until expand_leftover_cleanups or start_all_catch.
5714 (expand_leftover_cleanups): Don't expand here.
5715 (expand_start_all_catch): Or here.
5716 (expand_rethrow): Check the return value from find_func_region.
5717 * function.c (expand_function_end): Emit the catch_clauses.
5719 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5721 * integrate.c (expand_inline_function): Add necessary check for NULL.
5723 1999-11-18 Nick Clifton <nickc@cygnus.com>
5725 * toplev.c (main): Correctly detect an unrecognised option.
5727 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5728 a -f option if it has not been recognised.
5730 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5732 * basic-block.h (update_life_extent): Remove trailing comma on
5733 enumeration type list.
5735 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5737 * varasm.c (output_constructor) Solved problem with long long
5738 bitfields. Corrected calculating this_time and shift. Also
5739 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5741 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5743 * flow.c (split_edge): Take looping structure into account when
5744 determining where to put the new block note.
5746 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5748 * Makefile.in (ggc-none.o): Provide host specific version if
5751 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5753 * cse.c (delete_trivially_dead_insns): Identify no-op insns
5754 containing subregs too.
5756 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5758 * invoke.texi: Add documentation for -muninit-const-in-rodata.
5759 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
5760 (TARGET_UNINIT_CONST_IN_RODATA): Define.
5761 (text_section): Add switches -munint-const-in-rodata and
5762 -mno-uninit-const-in-rodata.
5763 (ASM_OUTPUT_COMMON): Remove.
5764 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
5765 const objects should be placed in read-only data. Otherwise declare
5768 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
5770 * jump.c (jump_optimize_1): Revert last change.
5772 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
5774 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
5775 test if optimizing for size.
5777 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5779 * Makefile.in (toplev.o): Depend on except.h.
5780 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
5782 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5784 * i386.md (divmodsi4): Rewrite to expander.
5785 (*divmodsi4_nocltd): New.
5786 (*divmodsi4_cltd): New.
5787 (divmodsi4 splitter): Handle the case when input comes in edx.
5788 (udivmodhi4): Do not use constraints in exander.
5789 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
5791 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
5793 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
5794 for the common case.
5796 1999-11-16 Jakub Jelinek <jakub@redhat.com>
5798 * explow.c (hard_function_value): Add outgoing argument.
5799 * expr.h (hard_function_value): Declare it.
5800 * calls.c (expand_call, emit_library_call_value): Update callers.
5801 * function.c (aggregate_value_p): Ditto.
5802 (diddle_return_value): Must look at the outgoing registers
5803 on archs with register windows.
5805 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
5807 * alpha.c (alpha_build_va_list): Use make_lang_type and
5808 initialize TYPE_NAME for the va_list record.
5810 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
5812 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
5814 * ggc.h (struct ggc_statistics): Rearrange elements for better
5815 packing on 64-bit hosts.
5816 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
5817 (compute_nearerout): Likewise.
5819 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
5821 * config/rs6000/rs6000.c (first_reg_to_save): Save
5822 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
5824 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
5826 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
5827 notion of nesting to find the DIE for a type or function.
5828 DIEs can go in limbo even if we got a context_die.
5829 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
5830 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
5832 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
5833 (gen_type_die): Writing out the context doesn't cause member class
5834 template instantiations to be written out as well.
5836 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
5838 * rs6000.h (ASM_OUTPUT_DEF): New.
5839 Based on proposed addition from David Edelsohn.
5841 1999-11-15 Robert Lipe <RobertLipe@usa.net>
5842 Bruce Korb <autogen@linuxbox.com>
5844 * fixinc/inclhack.def
5845 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
5846 (unixware7_byteorder_fix): added. Removes conflicts for new defs
5848 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
5849 (svr4_endian): enabled with SVR5
5850 (svr4_mkdev): simplified syntax and enabled with SVR5
5852 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
5854 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
5855 * configure: Rebuilt.
5856 * config/t-freebsd-thread: New file.
5858 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
5860 * i386.c (ix86_decompose_address): Verify the base is a REG
5861 before trying to examine its register number.
5863 * basic-block.h: Remove all #defines and prototypes related to
5865 (free_bb_mem, compute_preds_succs): Remove prototype.
5866 * rtl.h (free_bb_mem): Remove prototype.
5867 * flow.c (alloc_int_list_node); Remove function.
5868 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
5869 (compute_preds_succs, free_bb_mem): Likewise.
5870 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
5871 * toplev.c (rest_of_compilation): Likewise.
5872 * haifa-sched.c (build_control_flow): Use flow generated edge
5873 list to build the haifa specific edge list.
5874 (find_rgns): Use new CFG data structures instead of pred/succ lists.
5875 (schedule_insns): Do not build pred/succ lists anymore. Instead
5876 build the edge table.
5878 * basic-block.h (dump_bb_data): Remove declaration.
5879 * flow.c (dump_bb_data): Remove function.
5880 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
5881 (sbitmap_union_of_predsucc): Likewise.
5883 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
5884 argument. All callers changed.
5885 (delete_null_pointer_checks_1): No longer need to compute the
5888 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
5889 All callers changed.
5890 (pre_expr_reaches_here_p_work): Likewise.
5891 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
5892 * lcm.c (compute_laterin): Fix initialization of LATER.
5893 (compute_nearerout): Similarly for NEARER.
5895 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5897 * cse.c (set_nonvarying_address_components): Delete unused function.
5898 (refers_to_p): Likewise.
5900 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
5902 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
5905 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5907 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
5908 definition in do while (0).
5910 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
5912 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
5914 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
5916 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
5918 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
5920 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
5921 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
5922 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
5923 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
5925 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
5926 saved on the stack. Output more accurate stack frame statistics
5927 into assembler file.
5929 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
5931 * genextract.c (record_insn_name): New function.
5932 (get_insn_name): No longer a stub.
5933 (main): Call record_insn_name for each insn. After each label
5934 written, print the insn name in a comment.
5936 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5938 * output.h (const_section, init_section, fini_section): Add
5941 * alpha/elf.h (const_section): Delete declaration.
5943 * svr4.h (const_section): Likewise.
5945 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
5947 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
5948 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
5949 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
5951 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
5952 variable-sized array bounds.
5954 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
5956 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
5959 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5961 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
5962 addresses the same way GO_IF_LEGITIMATE_INDEX does.
5964 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5966 * cse.c (hash_arg_in_struct): Delete.
5967 (struct table_elt): Delete elt in_struct.
5968 (struct set): Delete elt src_in_struct.
5969 (merge_equiv_classes): Don't set either hash_arg_in_struct or
5970 the corresponding in_struct elts.
5971 (canon_hash): Likewise.
5972 (safe_hash): Likewise.
5973 (find_best_addr): Likewise.
5974 (record_jump_cond): Likewise.
5975 (cse_insn): Likewise.
5977 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
5979 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
5981 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
5984 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
5986 * function.c (diddle_return_value): Put back check that the DECL_RTL
5987 for the function is a register.
5989 * function.c (diddle_return_value): Use hard_function_value to
5990 get an rtx suitable for use in the USE/CLOBBER insn.
5992 * global.c (global_conflicts): Update comments.
5993 (record_conflicts): No need to record conflicts between pseudos here.
5995 1999-11-11 Bruce Korb <autogen@linuxbox.com>
5997 * fixinc/fixincl.c: Added verbose levels for status messages
5999 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6001 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6002 operand as argument to expand_and or expand_binop.
6004 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6006 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6007 gcc_add_string_root.
6009 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6011 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6013 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6015 * flow.c (compute_flow_dominators): Initially put all blocks on
6017 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6018 * gcse.c (compute_cprop_avinout): Remove.
6019 (compute_cprop_data): Use compute_available.
6020 (delete_null_pointer_checks_1): Use compute_available.
6022 * basic-block.h (compute_available): Returns a void now.
6023 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6024 to return a value anymore.
6025 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6026 worklists. Fix boundary cases. Compute maximal solutions.
6027 (compute_laterin, compute_nearerout): Similarly.
6029 * dwarf2out.c (add_AT_location_description): Allow
6030 (mem (plus (pseudo) (...)) too.
6032 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6034 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6036 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6037 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6039 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6041 * gansidecl.h: Likewise.
6047 * toplev.h: Likewise.
6053 * varray.c: Likewise.
6055 * varray.h: Likewise.
6057 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6059 * gcov.c (struct arcdata): Add hits and total, remove prob.
6060 (output_branch_counts): New.
6061 (process_args): Set output_branch_counts if -c.
6062 (calculate_branch_probs): Store hits and total instead of
6064 (output_data): Emit counts if output_branch_counts is true.
6065 * gcov.texi (Invoking Gcov): Document -c switch..
6067 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6069 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6070 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6072 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6074 * invoke.texi (C Dialect Options): Add missing builtins from
6076 * extend.texi (Other Builtins): Copy to this list.
6078 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6080 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6081 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6084 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6086 * flow.c (compute_flow_dominators): No longer treat basic block 0
6087 or (n_basic_blocks - 1) specially. Clear the AUX field before
6088 starting computation of doms/pdoms. Fix initial state for pdoms.
6090 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6092 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6093 match rtl.o's: added ggc.h and toplev.h
6094 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6095 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6096 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6098 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6100 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6101 from HAVE_DOS_BASED_FILESYSTEM.
6102 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6103 HAVE_DOS_BASED_FILESYSTEM.
6105 (split_directories): Only special-case DOS file names if
6106 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6107 instead of explicit tests. Conditionalize on !VMS.
6108 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6109 tests. Conditionalize on !VMS.
6110 (process_command): Only use make_relative_prefix if !VMS.
6111 (free_split_directories): Conditionalize on !VMS.
6112 (DIR_UP): Conditionalize on !VMS.
6114 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6116 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6118 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6120 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6123 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6125 * invoke.texi (Environment Variables): Document relative path
6127 * gcc.c (DIR_UP): If not defined, define as "..".
6128 (standard_bindir_prefix): New static, holds target location to
6130 (split_directories): New function to split a filename into
6131 component directories.
6132 (free_split_directories): New function, release memory allocated
6133 by split_directories.
6134 (make_relative_prefix): New function, make a relative pathname if
6135 the compiler is not in the expected location.
6136 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6137 can figure out an appropriate prefix from argv[0].
6138 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6139 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6140 STANDARD_BINDIR_PREFIX.
6142 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6144 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6146 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6147 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6148 c4x_secondary_memory_needed) Delete.
6149 (fp_zero_operand): Add mode argument.
6151 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6153 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6154 that is in reload_reg_used.
6156 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6158 * config/arm/arm-protos.h: New file: Prototypes for functions
6159 defined in arm.c and pe.c.
6160 * config/arm/arm.h: Fix compile time warnings.
6161 * config/arm/arm.c: Fix compile time warnings.
6162 * config/arm/pe.h: Fix compile time warnings.
6163 * config/arm/aout.h: Fix compile time warnings.
6165 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6167 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6170 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6171 Add support for subtargets.
6172 Add prototypes for new predicates.
6173 Add scheduling macros.
6175 * config/m32r/m32r.c: Fix compile time warnings.
6176 (int8_operand): New predicate function.
6177 (reg_or_cmp_int16_operand): New predicate function.
6178 (extend_operand): New predicate function.
6179 (m32r_adjust_code): New scheduling function.
6180 (m32r_adjust_priorty): New scheduling function.
6181 (m32r_sched_init): New scheduling function.
6182 (m32r_sched_reorder): New scheduling function.
6183 (m32r_sched_variable_issue): New scheduling function.
6184 (direct_return): New codegen function.
6185 (m32r_not_same_reg): New rtl testsing function.
6187 * config/m32r/m32r.md: Fix compile time warnings.
6188 Add support for pre decrement and post increment memory
6193 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6195 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6196 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6197 (find_reg): Likewise.
6199 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6201 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6202 to avoid assembler errors.
6204 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6206 * config/v850/v850-protos.h: New file: Prototypes for functions
6208 * config/v850/v850.h: Move prototypes to v850-protos.h
6209 * config/v850/v850.c: Move prototypes to v850-protos.h
6210 * config/v850/v850.md: Fix compile time warnings.
6212 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6214 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6215 * config/fr30/fr30.c: Fix compile time warnings.
6216 * config/fr30/fr30.md: Fix compile time warnings.
6218 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6220 * tree.h (get_containing_scope): Declare it.
6221 * tree.c (get_containing_scope): New fucntion.
6222 (decl_function_context): Use it.
6223 * toplev.c (rest_of_compilation): Use get_containing_scope.
6225 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6227 * Makefile.in (rtl.o): Depend on toplev.h.
6229 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6231 * cse.c (delete_trivially_dead_insns): Replace alloca with
6233 * except.c (update_rethrow_references): Likewise.
6234 (init_eh_nesting_info): Likewise.
6235 * function.c (identify_blocks): Likewise.
6236 * gcse.c (dump_hash_table): Likewise.
6237 * graph.c (print_rtl_graph_with_bb): Likewise.
6238 * loop.c (combine_movables): Likewise.
6239 (move_movables): Likewise.
6240 (count_loop_regs_set): Likewise.
6241 (strength_reduce): Likewise.
6242 * profile.c (compute_branch_probabilities): New function, split
6244 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6245 * regclass.c (regclass): Likewise.
6246 * regmove.c (regmove_optimize): Likewise.
6247 * toplev.c (compile_file): Likewise.
6248 (main): Don't mess with the stack rlimit.
6250 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6252 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6253 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6255 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6257 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6259 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6261 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6262 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6265 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6267 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6269 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6271 * gcse.c (post_dominators): Kill.
6272 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6273 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6274 pass in a pdom array since we do not need pdoms.
6275 * haifa-sched.c (schedule_insns): Similarly.
6276 * flow.c (compute_dominators): Remove dead function.
6277 (compute_flow_dominators): Do not compute doms or pdoms if the
6278 caller does not request them. Split up loop to build doms and
6279 pdoms. Use a worklist to compute doms and pdoms.
6280 * basic-block.h (compute_dominators): Remove prototype.
6282 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6284 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6285 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6286 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6287 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6288 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6289 (schedule_region): Remove unused variable.
6290 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6292 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6294 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6295 (update_equiv_regs): Likewise.
6296 (block_alloc): Likewise.
6297 * reg-stack.c (reg_to_stack): Likewise.
6298 (convert_regs_2): Likewise.
6299 * reload1.c (reload_as_needed): Likewise.
6301 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6303 * Makefile.in (dbxout.o): Depend on ggc.h.
6304 (dwarf2out.o): Likewise.
6305 (xcoffout.o): Likewise.
6306 * dbxout.c: Include ggc.h.
6307 (dbxout_init): Register lastfile as a root.
6308 * dwarf2out.c: Include ggc.h.
6309 (dwarf2out_line): Register lastfile as a root.
6310 * xcoffout.c: Include ggc.h.
6311 (xcoffout_source_line): Register xcoff_lastfile as a root.
6313 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6315 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6317 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6319 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6321 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6323 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6325 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6326 (EXECUTE_IF_CONFLICT): Likewise.
6327 (ALLOCNO_LIVE_P): Avoid signed division.
6328 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6329 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6330 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6332 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6334 * haifa-sched.c (schedule_block): Don't crash if there's no
6335 next insn for an interblock movement.
6336 (add_branch_dependences): Don't allow clobber insns to move either.
6338 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6340 * i386.c (split_xf): New.
6341 * i386-protos.h: Declare it.
6342 * i386.md (movxf_1): Add general regs alternatives.
6343 (movxf_1+1): New splitter for same.
6345 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6347 * function.c (purge_addressof_1): Add missing return values.
6349 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6351 * function.c (is_addressof): New function. Returns true if
6352 the given piece of RTL is an ADDRESSOF.
6353 (purge_addressof_1): Make boolean. Return false if the
6354 ADDRESSOFs could not be purged.
6355 (purge_addressof): If ADDRESSOFs could not be purged from the
6356 notes attached to an insn, remove the offending note(s),
6357 unless they are attached to a libcall.
6359 1999-11-05 Andreas Jaeger <aj@suse.de>
6361 * genoutput.c (null_operand =): Initialize all fields.
6363 * errors.h: Add extern to prototypes.
6365 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6367 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6368 * configure: Rebuilt.
6370 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6372 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6373 (mirror_conflicts): New function.
6374 (global_alloc): Call it.
6375 (expand_preferences): Remove redundant CONFLICTP test.
6376 (find_reg, dump_conflicts): Likewise.
6377 (prune_preferences): Process conflicts one word at a time.
6379 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6381 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6382 instead of an explicit loop.
6384 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6386 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6387 if REG_RETVAL check succeeds, then put classp in src_elt.
6389 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6391 * function.c (pad_to_arg_alignment): Only update argument_pad
6392 if the argument's alignment is greater than STACK_BOUNDARY.
6394 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6396 * bitmap.h (BITMAP_XFREE): New.
6397 * flow.c (life_analysis): Use it.
6398 (life_analysis_1): Free blocks.
6400 * combine.c (undo_commit): New.
6401 (try_combine): Use it. Don't zap undobuf.undos.
6402 (combine_instructions): Don't zap undobuf.undos; free the
6405 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6407 * stmt.c (cost_table_): New.
6408 (estimate_case_costs): Use it instead of xmalloc.
6410 * toplev.c (compile_file): Reuse dumpname memory instead
6413 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6415 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6416 after verifying an EH edge.
6418 * haifa-sched.c (init_rgn_data_dependences): Correctly
6419 size bb_pending_lists_length when zeroing.
6421 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6423 * function.c (diddle_return_value): New.
6424 (expand_function_end): Use it.
6425 * stmt.c (expand_null_return): Likewise.
6426 (expand_value_return): Likewise.
6428 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6430 * reload1.c (reload): Don't remove return value clobbers.
6432 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6434 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6436 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6438 * cse.c (cse_main): Use xmalloc, not alloca.
6439 (cse_basic_block): Likewise.
6440 * local-alloc.c (local_alloc): Likewise.
6442 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6443 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6445 * rtl.c: Include toplev.h.
6446 (fatal): Remove declaration.
6448 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6450 * haifa-sched.c (schedule_block): Fix thinko.
6452 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6454 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6455 S_IR* defined values
6457 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6459 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6460 call `malloc' instead.
6462 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6464 * flags.h (flag_renumber_insns): Declare.
6465 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6467 * rtl.h (renumber_insns): Change prototype.
6468 * toplev.c (flag_renumber_insns): Define.
6469 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6471 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6473 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6474 and fpsqrtd. Use them and create fdiv function unit to more
6475 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6476 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6478 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6480 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6482 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6483 insn into ready list, do not use just a raw swap.
6485 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6487 * rtl.h (renumber_insns): New function.
6488 (remove_unnecessary_notes): Likewise.
6489 * emit-rtl.c (renumber_insns): Define.
6490 (remove_unncessary_notes): Likewise.
6491 * toplev.c (rest_of_compilation): Remove dead code.
6492 Use renumber_insns and remove_unncessary_notes.
6494 * gcse.c (struct null_pointer_info): New type.
6495 (get_bitmap_width): New function.
6496 (current_block): Remove.
6497 (nonnull_local): Likewise.
6498 (nonnull_killed): Likewise.
6499 (invalidate_nonnull_info): Take a null_pointer_info as input.
6500 (delete_null_pointer_checks_1): New function.
6501 (delete_null_pointer_checks): Use it.
6503 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6504 (split_edges): Likewise.
6505 (schedule_block): Likewise.
6506 (compute_block_backward_dependencies): Likewise.
6507 (schedule_region): Likewise.
6508 (schedule_insns): Likewise.
6510 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6512 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6513 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6514 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6515 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6516 * jump.c (delete_unreferenced_labels): Don't delete if
6517 LABEL_ALTERNATE_NAME is set.
6518 * print-rtl.c (print_rtx): Dump alternate name.
6519 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6520 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6521 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6522 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6524 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6526 * fix-header.c (recognized_extern, recognized_function): Constify
6529 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6530 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6531 (compute_available): Remove unused variable `last'.
6532 (compute_nearerout): Remove unused variable `temp_bitmap'.
6533 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6534 Remove unused variable `x'.
6536 * scan.h (recognized_function, recognized_extern): Constify a
6539 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6541 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6543 * varasm.c (decode_rtx_const): Use XSTR to access the string
6546 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6548 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6550 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6552 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6554 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6556 * pa.c (ireg_operand): New function.
6557 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6558 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6559 Fix out of date comment.
6561 * pa.md (negdi2): Turn into expander + anonymous pattern.
6563 * reload.c (find_reloads): Fix typos in recent change.
6565 * dwarf2out.c: Do not include ctype.h.
6567 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6569 * regclass.c (record_reg_classes): Always use may_move_cost when
6570 seeing how operand fits with various register classes.
6572 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6574 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6575 * toplev.c: Revert Nov 1 13:22 change.
6577 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6579 * config/pa/pa.md (height reduction patterns): Add checks for
6580 overlapping operands to avoid semantic-destroying splits for
6581 height reduction patterns.
6583 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6585 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6586 have been an hyphen, fixed.
6587 * configure: Rebuilt.
6589 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6591 * config/arm/tpe.h: Add prototypes for exported functions.
6592 * config/arm/pe.c: Fix compile time warnings.
6593 * config/arm/semi.h: Fix compile time warnings.
6594 * config/arm/arm.c: Fix compile time warnings.
6595 * config/arm/arm.h: Fix compile time warnings.
6596 * config/arm/arm.md: Fix compile time warnings.
6597 * config/arm/thumb.c: Fix compile time warnings.
6598 * config/arm/thumb.h: Fix compile time warnings.
6599 * config/arm/thumb.md: Fix compile time warnings.
6601 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6603 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6606 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6607 completely unrolled.
6609 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6611 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6613 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6615 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6616 * rtl.h (rtx_equal_p): Move prototype.
6617 * rtl.c (rtx_equal_function_value_matters): Move from
6619 (rtx_equal_p): Likewise.
6620 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6621 (rtx_equal_p): Likewise.
6623 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6625 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6628 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6630 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6632 * pa.h (ADDR_VEC_ALIGN): Define.
6634 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6635 notes when presented with "if (foo) break; end_of_loop" and
6636 the break sequence gets moved out of the loop.
6638 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6639 Remove explicit zero initializations of entries within MAP.
6641 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6643 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6645 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6647 * bitmap.h (BITMAP_XMALLOC): New macro.
6648 * flow.c (CLEAN_ALLOCA): Remove.
6649 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6650 (life_analysis): Likewise.
6651 (update_life_info): Don't use CLEAN_ALLOCA.
6652 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6653 (calculate_global_regs_live): Likewise.
6654 (print_rtl_with_bb): Likewise.
6655 (verify_flow_info): Likewise.
6656 * global.c (global_alloc): Likewise.
6657 (global_conflicts): Likewise.
6658 * integrate.c (save_for_inline_nocopy): Likewise.
6659 (expand_inline_function): Likewise.
6660 * jump.c (jump_optimize_1): Likewise.
6661 (duplicate_loop_exit_test): Likewise.
6662 (thread_jumps): Likewise.
6663 * loop.c (loop_optimize): Likewise.
6664 (combine_givs): Likewise.
6665 (recombine_givs): Likewise.
6666 * reorg.c (dbr_schedule): Likewise.
6667 * unroll.c (unroll_loop): Likewise.
6669 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6671 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6673 * toplev.c (rest_of_compilation): Don't optimize the CFG
6674 when rebuilding, just before dbr.
6676 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6678 * output.h (assemble_end_function, assemble_destructor,
6679 assemble_constructor, assemble_gc_entry, assemble_global,
6680 assemble_label, output_constant_pool) Constify a char*.
6682 * varasm.c (assemble_destructor, assemble_constructor,
6683 assemble_gc_entry, assemble_end_function, assemble_global,
6684 assemble_label, output_constant_pool): Likewise.
6686 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6688 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6689 explaining what is goin on in this function.
6691 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6693 * regclass.c (record_reg_classes): In matching case, recompute
6694 costs since the direction of movement is different.
6696 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6698 * resource.c (mark_target_live_regs): For unconditional branches,
6699 the resources found at the branch target should be added to the
6700 resources found so far, not intersected.
6702 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6704 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6706 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6707 (sys/mman.h): Include this file only if #HAVE_MMAP.
6708 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6709 with automatically concatenated ANSI strings.
6711 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6713 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6714 (DIV_ROUND_UP): Robustify.
6715 (ggc_recalculate_in_use_p): New function.
6716 (release_pages): Don't inline it.
6717 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6719 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6720 (clear_marks): Always save in_use_p.
6721 (sweep_pages): Use ggc_recalculate_in_use_p.
6722 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6723 Release pages before counting statistics.
6725 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6727 * toplev.c (rest_of_compilation): Fix thinko in this change:
6729 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6731 (rest_of_compilation): If inside an inlined external function,
6732 pretend we are just being declared.
6734 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6736 * flow.c (calculate_global_regs_live): Fix thinko.
6738 * integrate.c (expand_inline_function): Fix bugs in previous
6739 change from Oct 28, 1999.
6741 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6743 * stmt.c (expand_value_return): Fix typo in this change:
6745 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6746 (expand_value_return): Correctly convert VAL when promoting function
6747 return; support RETURN_REG being a PARALLEL.
6749 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6751 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6753 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6755 * hard-reg-set.h (reg_names): Constify a char*.
6757 * regclass.c (reg_names): Likewise.
6759 * regs.h (reg_names): Likewise
6761 * a29k/a29k.c (reg_names): Delete declaration.
6763 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
6765 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
6766 arc_output_function_epilogue): Likewise.
6768 * elxsi/elxsi.c (reg_names): Likewise.
6770 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
6772 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
6775 * m88k/m88k.c (output_function_profiler): Likewise.
6777 * sparc/sparc.c (sparc_flat_output_function_prologue,
6778 sparc_flat_output_function_epilogue): Likewise.
6780 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
6782 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
6783 warning from -Wuninitialized and put it under -W.
6784 * function.c (uninitialized_vars_warning): Warn only when the
6785 corresponding flag is set.
6787 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
6789 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
6790 is nonzero and the single set does not have an elt, then assign
6793 * simplify-rtx.c: New file.
6794 * Makefile.in (OBJS): Add simplify-rtx.o
6795 (simplify-rtx.o): Add dependencies.
6796 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
6797 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
6798 (cse_gen_binary, simplify_unary_operation): Delete.
6799 (simplify_binary_operation, simplify_plus_minus): Likewise.
6800 (check_fold_consts, simplify_relation_operation): Likewise.
6801 (simplify_ternary_operation): Likewise.
6802 (delete_trivially_dead_insns): Simplify the contents of the
6803 REG_EQUAL note before trying to substitute it into the source
6804 of the reg-reg copy at the end of a libcall sequence.
6806 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
6807 references/callers changed.
6809 * mn10200.c (mn10200_va_arg): Force the return value into a
6812 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
6814 * cccp.c (macroexpand): Avoid out of range accesses for omitted
6817 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
6819 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
6821 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
6823 * fold-const.c (fold): Fix thinko when optimizing comparisons
6826 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
6828 * gcc.texi (Passes): Update front-end files to their current
6831 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
6833 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
6834 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
6835 (PREDICATE_CODES): Add addition_operation.
6836 * alpha-protos.h (addition_operation): Declare.
6837 (secondary_reload_class): Likewise.
6838 * alpha.c (addition_operation): New.
6839 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
6840 * alpha.md (adddi3): Turn into expander.
6841 (*lda, *adddi_2): New.
6842 (movsf, movdf patterns): Don't preference integer regs.
6843 (movsi, movdi patterns): Don't preference fp regs.
6845 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
6847 * genrecog.c (write_switch): Check for duplicate CODE cases.
6849 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
6851 * ggc-common.c: Update pre-function commentary.
6852 * ggc-page.c: Likewise.
6854 (poison_pages): Use memset directly.
6855 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
6856 (ggc_collect): Poison before sweeping.
6857 * ggc-simple.c: Update pre-function commentary.
6858 (ggc_alloc_obj): Poison non-zeroed memory.
6860 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
6862 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
6863 match format string, even on 64-bit hosts.
6864 * gcc-page.c (ggc_page_print_statistics): Likewise.
6866 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
6868 * config/i386/i386.c (ix86_cpu): Revert last patch.
6869 * config/i386/i386.h (ix86_cpu): Ditto.
6871 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
6873 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
6874 TYPE_SIZE, convert type of result to sizetype.
6876 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
6878 * flow.c (count_or_remove_death_notes): Equate NULL with the
6881 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
6882 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
6885 * i386.c (pic_label_no): Delete.
6886 (ix86_attr_length_default): Don't use single_set to peek
6889 * recog.c (peephole2_optimize): Allow recog_next_insn to index
6890 the first insn after bb->end.
6891 * i386.md (push mem peeps): Scratch is live after evaluation
6893 (cmp mem peep): Similarly.
6895 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
6897 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
6898 * function.c (pad_to_arg_alignment): Add missing braces.
6900 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6902 * alpha/alpha-protos.h (literal_section): Add prototype.
6903 (alpha_need_linkage, alpha_start_function,alpha_end_function):
6906 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
6908 (alpha_start_function, alpha_end_function, float_strings,
6909 alpha_need_linkage): Constify a char*
6911 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
6913 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
6915 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6917 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6919 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6921 * flow.c (debug_flow_info): Add prototype.
6923 * gcc.c (main): Likewise.
6925 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
6928 * reload1.c (failed_reload, set_reload_reg): Likewise.
6930 * mips-tfile.c (main): Likewise.
6931 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
6932 with ATTRIBUTE_NORETURN.
6934 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
6936 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
6937 DECL is not a memory ref.
6939 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
6941 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
6942 * config/i386/i386.c (ix86_cpu): Add extern attribute.
6944 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
6946 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
6947 * config/mips/elf64.h: ditto.
6949 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
6951 * expr.c (emit_push_insn): New argument alignment_pad.
6952 Update all callers. Adjust stack pointer based on alignment pad.
6953 * function.c (pad_to_arg_alignment): New argument alignment_pad.
6954 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
6955 (locate_and_pad_parm): New argument alignment_pad. Update all
6957 * expr.h (emit_push_insn): Update prototype.
6958 (locate_and_pad_parm): Update prototype.
6959 * calls.c (arg_data): Add new field alignment_pad.
6960 (initialize_argument_information): Initialize alignment_pad.
6962 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
6964 * except.c (free_eh_nesting_info): Free the info itself.
6965 * function.c (free_after_compilation): Don't free NULL.
6966 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
6967 (pre_edge_insert): Free inserted.
6968 * stmt.c (free_stmt_status): Don't free NULL.
6970 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6972 * gcov.c (DIR_SEPARATOR): Provide default.
6973 (output_data): Add test for MS-DOS format absolute filename.
6974 (fancy_abort): Correct program name.
6975 (open_files): Open all files in binary mode.
6976 * libgcc2.c (__bb_exit_func): Likewise.
6978 * profile.c (init_branch_prob): Specify binary when opening files.
6980 * flags.h (flag_unwind_tables): New decl.
6981 * toplev.c (flag_unwind_table): New definition.
6982 (f_options): Add -funwind-tables.
6983 (decode_g_option): Clarify warning when unknown -g option is given.
6984 (rest_of_compilation): If inside an inlined external function,
6985 pretend we are just being declared.
6987 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
6988 (dwarf2out_frame_finish): Likewise.
6990 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
6992 * fold-const.c (merge_ranges): If not in0, but in1, handle
6993 upper bounds equal like subset case.
6995 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
6997 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
6998 passed in a register but moved to the stack.
7000 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7002 * gcc.c (pass_exit_codes, greatest_status): New variables.
7003 (struct option_map): Add entry for "--pass-exit-codes".
7004 (execute): Update greatest_status if error.
7005 (display_help): Add documentation for -pass-exit-codes.
7006 (process_command): Handle -pass-exit-codes.
7007 (main): Look at pass_exit_codes and greatest_status on call to exit.
7009 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7011 * reload.c (find_reloads): Refine test for no input reload
7012 case to not includes reloads emitted after insn.
7014 * function.c (find_temp_slots_from_address): Handle sum involving
7015 a register that points to a temp slot.
7016 (update_temp_slot_address): Make recursive call if both old and
7017 new are PLUS with a common operand.
7018 * calls.c (expand_call): Mark temp slot for result as having
7021 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7023 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7024 component as well as "BINUTILS".
7026 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7027 * integrate.c (copy_rtx_and_substitute): Likewise.
7028 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7029 All callers changed.
7030 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7032 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7033 gdb extensions, write size of type; also be more consistent
7034 in using references when this is a subtype.
7036 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7037 that is out of range.
7039 * loop.c (unknown_constant_address_altered): New variable.
7040 (prescan_loop): Initialize it.
7041 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7042 (invariant_p, case MEM): Remove handling for volatile and readonly;
7043 check new variable if readonly.
7044 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7046 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7047 (addr_affects_sp_p): Removed from note_mem_written and only
7048 define #ifdef AUTO_INC_DEC.
7050 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7052 * regclass.c (record_reg_classes): Properly handle register move
7055 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7056 Don't think valid if both operands are invalid.
7057 (struct constant_descriptor): New field RTL.
7058 (mark_const_hash_entry): Mark it.
7059 (record_constant{,_rtx}): Initialize it.
7060 (output_constant_def): Allocate RTL in permanent obstack and
7062 ({record,compare}_constant_1): Modes must match for
7063 CONSTRUCTOR of ARRAY_TYPE.
7065 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7066 * output.h (initializer_constant_valid_p): Move decl to here.
7067 * c-common.c (initializer_constant_valid_p): Delete function from here.
7068 * varasm.c (initializer_constant_valid_p): Move function to here.
7070 * tree.h (STRIP_SIGN_NOPS): New macro.
7071 * fold-const.c (optimize_minmax_comparison): New function.
7072 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7073 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7074 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7075 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7076 widening conversions.
7077 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7078 to look at size of mode, not precision of type; also add missing cases.
7079 (optimize_bit_field_compare, decode_field_reference): Don't try to
7080 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7082 * dwarf2out.c (ctype.h): Include.
7083 (dwarf2out_set_demangle_name_func): New function.
7084 (size_of_line_info): Deleted.
7085 (output_line_info): Compute size of line info table from difference
7087 (base_type_die, add_name_attribute): Call demangle function, if any.
7088 (field_byte_offset): Use bits per word for variable length fields.
7089 (gen_array_type_die): Add array name.
7090 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7091 (dwarf2out_add_library_unit_info): New function.
7093 * explow.c (set_stack_check_libfunc): New function.
7094 (stack_check_libfunc): New static variable.
7095 (probe_stack_range): Allow front-end to set up a libfunc to call.
7097 * combine.c (simplify_comparison): When making comparison in wider
7098 mode, check for having commuted an AND and a SUBREG.
7099 (contains_muldiv): New function.
7100 (try_combine): Call it when dividing a PARALLEL.
7101 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7102 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7104 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7105 use one of the CLOBBERs instead.
7106 (if_then_else_cond): If comparing against zero, just return thing
7109 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7110 Don't generate shifts and subtract if have conditional arithmetic.
7112 * rtl.h (delete_barrier): New declaration.
7113 * jump.c (jump_optimize): Set up to handle conditional call.
7114 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7115 (delete_barrier): New function.
7117 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7119 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7121 * tree.c (build_type_attribute_variant): Push to obstack of
7122 ttype around type_hash_canon call.
7124 * expr.c (placeholder_list): Move decl to file scope.
7125 (expand_expr): Don't force access to volatile just because its
7127 If ignoring reference operations, just expand the operands.
7128 (expand_expr, case COMPONENT_REF): Propagate
7129 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7130 Refine test for using bitfield operations vs pointer punning.
7131 (expand_expr, case CONVERT_EXPR): If converting to
7132 BLKmode UNION_TYPE from BLKmode, just return inner object.
7133 Use proper mode in store_field call.
7134 Properly set sizes of object to store and total size in store_field
7135 call for convert to union.
7136 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7137 memory (like for ADDR_EXPR). Also, don't put constant in register if
7138 we'll want it in memory.
7139 (readonly_fields_p): New function.
7140 (expand_expr, case INDIRECT_REF): Call it if LHS.
7141 (expand_assignment): Handle a RESULT_DECL where
7142 DECL_RTL is a PARALLEL.
7143 (do_jump, case WITH_RECORD_EXPR): New case.
7144 (get_inner_reference): Always go inside a CONVERT_EXPR
7145 and NOP_EXPR if both modes are the same.
7146 (store_field): Use bitfield operations if size of bitsize is not same
7147 as size of RHS's type.
7148 Check for bitpos not a multiple of alignment in BLKmode case.
7149 Do block move in largest possible alignment.
7150 (store_constructor): Set BITSIZE to -1 for variable size and properly
7151 in case of array of BLKmode.
7152 (expand_expr_unaligned): New function.
7153 (do_compare_and_jump): Call it.
7155 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7156 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7157 does not include 'o'.
7159 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7160 both SET_DEST and SET_SRC reference a virtual register.
7161 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7163 * integrate.c (expand_inline_function): Handle case of setting
7164 virtual stack vars register (from built in setjmp); when parameter
7165 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7166 (subst_constant): Add new parm, MEMONLY.
7167 (expand_inline_function, integrate_parm_decls): Pass new parm.
7168 (integrate_decl_tree): Likewise.
7169 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7170 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7171 (copy_rtx_and_substitute, case SET): Add explicit calls to
7172 copy_rtx_and_substitute for both sides.
7174 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7176 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7177 within INDEX_TYPE, instead of before.
7178 (fixup_gotos): Use f->target_rtl, not the next insn,
7179 since latter may be from a later fixup.
7180 (expand_value_return): Correctly convert VAL when promoting function
7181 return; support RETURN_REG being a PARALLEL.
7182 (expand_return): When checking for result in regs and having
7183 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7185 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7187 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7188 last_nominal_fname): Mark const.
7189 (struct include_hash: name, nshort, control_macro): Mark
7191 (struct macrodef: symnam): Mark const.
7192 (struct if_stack: fname): Mark const.
7193 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7194 (IStable): New character-syntax array which encompasses all
7195 the old is_foo arrays.
7196 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7197 is_space): New macros for interrogating IStable.
7198 (check_macro_name): Kill last argument. All callers changed.
7200 * cppinit.c (initialize_char_syntax): Delete.
7201 (is_idchar, is_idstart, is_hor_space, is_space,
7202 trigraph_table): Delete.
7203 (IStable): New. Initialize with clever macros to avoid
7204 information duplication.
7205 (builtin_array): Table of builtins to get rid of explicit list
7206 in initialize_builtins.
7207 (initialize_builtins): Use builtins_array.
7208 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7209 opts->dollars_in_ident.
7211 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7213 (cpp_parse_expr): Avoid 'format string is not constant'
7214 warning. Use ISGRAPH to identify printable chars.
7215 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7217 (read_and_prescan): Map trigraphs to chars with open-coded
7218 if-else-if-... sequence, not a lookup table.
7219 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7221 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7222 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7223 (check_macro_name): Remove ability to report an invalid
7224 assertion name, which is never used.
7225 (do_line): Constify a couple of char *'s.
7226 * cppmain.c (main): Call cpp_cleanup before returning.
7228 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7230 * ggc.h (struct ggc_statistics): New type.
7231 (ggc_get_size): New function.
7232 (ggc_print_statistics): Likewise.
7233 * ggc-common.c (ggc_stats): New variable.
7234 (ggc_mark_rtx_children): Keep statistics.
7235 (ggc_mark_tree_children): Likewise.
7236 (ggc_print_statistics): New function.
7237 * ggc-page.c (struct globals): Add bytes_mapped field.
7238 (alloc_anon): Update it.
7239 (release_pages): Likewise.
7240 (ggc_get_size): New function.
7241 (ggc_page_print_statistics): New function.
7242 * ggc-simple.c (ggc_get_size): New function.
7244 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7246 * flow.c (propagate_block): When the last reference to a label
7247 before an ADDR_VEC is deleted because the reference is a dead
7248 store, delete the ADDR_VEC.
7250 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7252 * resource.c (find_free_register): Don't use the frame pointer
7253 if frame_pointer_needed.
7255 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7257 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7258 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7260 * config/i960/i960.c (i960_va_start): New locals base, num.
7261 Use INDIRECT_REF instead of ARRAY_REF on valist.
7262 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7264 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7266 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7268 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7270 * tree.def (PLACEHOLDER_EXPR): Update comments.
7272 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 * c-common.c (check_format_info): Avoid non-literal format string
7275 warnings when `first_arg_num' is zero.
7277 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7279 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7281 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7283 * arm.md (casesi_insn): Add a clobber of the condition code
7286 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7288 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7289 used by both cc1 and cc1plus.
7291 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7293 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7294 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7295 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7296 to the value 32 if it has not already been defined.
7297 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7298 Override definition in arm.h with a value of 8.
7300 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7302 * c-pragma.c (push_alignment): Don't check the return value
7305 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7307 * sparc.h (ADJUST_COST): Fix thinko.
7309 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7311 * cccp.c (rescan): Fixed obp pointer handling around call to
7312 check_expand subroutine.
7314 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7316 * gcse.c (delete_null_pointer_checks): Only record non-null info
7317 for pseudos when examining stores.
7319 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7320 splitters for these patterns. Use "#" for output templates.
7321 (addsi3_carryin_shift): New pattern.
7323 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7325 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7326 of the function return register into a plain REG until
7327 after function inlining is done.
7329 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7331 * jump.c (jump_optimize_1): If we did cross-jumping, and
7332 the data will matter, rebuild the CFG.
7333 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7334 not optimizing. Don't run shorten_branches.
7335 * toplev.c (rest_of_compilation): Run shorten_branches after
7338 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7340 * rtl.h (note_stores): Add additional paramter.
7341 * rtlanal.c (reg_set_p_1): Take additional paramter.
7342 (reg_set_last_1): Likewise.
7343 (reg_set_p): Adjust call to note_stores.
7344 (reg_set_last): Likewise.
7345 (note_stores): Pass data parameter to worker function.
7346 * alias.c (record_set): Take additional parameter.
7347 (init_alias_analysis): Pass it.
7348 * caller-save.c (mark_set_regs): Take additional parameter.
7349 (save_call_clobbered_regs): Pass NULL to note_stores.
7350 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7352 (record_dead_and_set_regs_1): Likewise.
7353 (reg_dead_at_p_1): Likewise.
7354 (combine_instructions): Adjust calls to note_stores.
7355 (try_combine): Likewise.
7356 (record_dead_insn): Remove.
7357 (record_dead_and_set_regs): Adjust calls to note_stores.
7358 (reg_dead_at_p): Likewise.
7359 * cse.c (invalidate_skipped_set): Take additional parameter.
7360 (cse_check_loop_start): Likewise.
7361 (cse_check_loop_start_value): Remove.
7362 (cse_set_around_loop): Adjust calls to note_stores.
7363 * flow.c (notice_stack_pointer_modification): Take additional
7364 parameter. Remove duplicate declaration.
7365 (record_volatile_insns): Adjust calls to note_stores.
7366 * gcse.c (record_set_info): Take additional parameter.
7367 (record_last_set_info): Likewise.
7368 (invalidate_nonnull_info): Likewise.
7369 (record_set_insn): Remove.
7370 (compute_sets): Adjust calls to note_stores.
7371 (last_set_insn): Remove.
7372 (compute_hash_table): Adjust calls to note_stores.
7373 (insert_insn_end_bb): Likewise.
7374 (delete_null_pointer_checks): Likewise.
7375 * global.c (mark_reg_store): Take additional parameter.
7376 (mark_reg_clobber): Likewise.
7377 (reg_becomes_live): Likewise.
7378 (global_conflicts): Adjust calls to note_stores.
7379 (build_insn_chain): Likewise.
7380 * integrate.c (note_modified_parmregs): Take additional parameter.
7381 (mark_stores): Likewise. Make it static.
7382 (save_for_inline_nocopy): Adjust calls to note_stores.
7383 (try_constants): Likewise.
7384 * integrate.h (mark_stores): Remove declaration.
7385 * jump.c (mark_modified_reg): Take additional parameter.
7386 (thread_jumps): Adjust calls to note_stores.
7387 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7389 (no_equiv): Likewise.
7390 (reg_is_set): Likewise.
7391 (validate_equiv_mem): Adjust calls to note_stores.
7392 (update_equiv_regs): Likewise.
7393 (block_alloc): Likewise.
7394 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7395 (note_addr_stored): Take additional parameter.
7396 (note_set_pseudo_multiple_uses): Likewise.
7397 (record_initial): Likewise.
7398 (prescan_loop): Adjust calls to note_stores.
7399 (strength_reduce): Likewise.
7400 (check_dbra_loop): Likewise.
7401 * regmove.c (flags_set_1): Take additional paramter.
7402 (mark_flags_life_zones): Adjust calls to note_stores.
7403 * reload1.c (mark_not_eliminable): Take additional parameter.
7404 (forget_old_reloads_1): Likewise.
7405 (reload_cse_invalidate_rtx): Likewise.
7406 (reload_cse_check_clobber): Likewise.
7407 (reload_combine_note_store): Likewise.
7408 (move2add_note_store): Likewise.
7409 (reload): Adjust calls to note_stores.
7410 (reload_as_needed): Likewise.
7411 (emit_reload_insns): Likewise.
7412 (reload_cse_regs_1): Likewise.
7413 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7414 (reload_combine): Adjust calls to note_stores.
7415 * resource.c (update_live_status): Take additional paramter.
7416 (mark_target_live_regs): Adjust calls to note_stores.
7417 * stupid.c (find_clobbered_regs): Take additional parameter.
7418 (stupid_life_analysis): Adjust calls to note_stores.
7420 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7422 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7425 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7428 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7429 of the variable arm_structure_size_boundary.
7431 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7433 * alias.c (init_alias_analysis): Allocate reg_known_value and
7434 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7436 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7437 * cse.c (cse_main): Call end_alias_analysis.
7438 * haifa-sched.c (schedule_insns): Likewise.
7439 * local-alloc. (update_equiv_regs): Likewise.
7440 * reload1.c (reload_cse_regs): Likewise.
7442 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7444 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7445 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7446 mapping from MASK_FPU.
7448 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7450 * sparc.md (call): Don't bound structure return size to 0xfff.
7452 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7454 * resource.c (mark_target_live_regs): Check that the target
7455 insn wasn't created after compute_bb_for_insn.
7457 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7459 * ggc-page.c (poison_pages): Don't be overzealous.
7461 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7463 * alias.c: Update comments for ADDRESS.
7464 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7465 it is a local memory reference.
7467 * c-typeck.c (build_function_call): Check that the built-in
7468 function is of class BUILT_IN_NORMAL before trying to recongize
7470 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7471 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7473 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7475 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7477 (pre_gcse): Likewise.
7478 (hoist_expr_reaches_here_p): Likewise.
7479 (hoist_code): Likewise.
7480 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7482 (pre_expr_reaches_here_p_work): ... here.
7483 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7485 (expr_reaches_here_p_work): ... here.
7487 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7489 * resource.c (find_basic_block): Delete.
7490 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7491 (init_resource_info): Call compute_bb_for_insn.
7493 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7495 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7496 with already adjacent blocks, but no fallthru.
7497 (merge_blocks_move_successor_nojumps): Simplify.
7498 (debug_flow_info): New.
7500 * toplev.c (rest_of_compilation): Open jump1 dump file before
7501 jump and close after, as opposed to just using dump_rtl.
7503 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7505 * reload.h (earlyclobber_operand_p): Declare.
7506 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7507 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7508 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7509 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7511 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7512 Richard Henderson <rth@cygnus.com>
7514 * emit-rtl.c (emit_block_insn_before): New.
7515 (emit_block_insn_after): New.
7516 * basic-block.h: Declare them.
7518 * bitmap.h: Protect from multiple inclusion.
7520 * recog.c (scratch_operand): Handle VOIDmode correctly.
7522 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7524 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7525 * function.c (assign_parms): Likewise.
7526 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7528 * reg-stack.c (max_uid): Remove.
7529 (blocks, block_begin, block_end, block_drops_in): Remove.
7530 (block_stack_in, block_out_reg_set, block_number): Remove.
7531 (struct block_info_def, BLOCK_INFO): New.
7532 (enum emit_where): New.
7533 (current_block): New.
7534 (BLOCK_NUM): Remove.
7535 (mark_regs_pat, record_label_references): Remove.
7536 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7538 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7539 (reg_to_stack): Simplified test for existance of fp code. Use
7540 flow.c code. Call shorten_branches after cross-jump opt.
7541 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7542 Return false if the asm doesn't use stack regs. Don't do life
7543 analysis on the asm.
7544 (emit_pop_insn): Replace function pointer arg `when' with
7545 enum `where'. Update all callers.
7546 (change_stack): Likewise. Update basic block end.
7547 (emit_swap_insn): Use current_block->head to limit reverse search
7548 for start of block. Use emit_block_insn_after.
7549 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7550 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7551 structure assignment instead of bcopy.
7553 (convert_regs_entry, convert_regs_exit): New.
7554 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7555 Work on basic blocks and the CFG.
7556 (convert_regs): Use them.
7558 * i386.c (output_fix_trunc): Remove code for DImode input operand
7559 not at top-of-stack.
7560 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7562 (fix_truncdi_1): Allow any mode scratch.
7564 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7566 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7567 * linux.h, netbsd.h, vms.h: Not here.
7569 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7571 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7572 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7573 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7574 CONDITIONAL_REGISTER_USEAGE): Use them.
7575 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7576 gen_conditional_branch,override_options) : Use them.
7577 * config/mips/mips.md : Use them.
7579 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7581 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7583 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7585 * integrate.c (function_cannot_inline_p): Don't allow inlining
7588 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7590 * c-parse.in (cast_expr): Constify.
7592 * cccp.c (special_symbol): Likewise.
7594 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7596 * dwarf2out.c (base_type_die): Likewise.
7598 * global.c (allocno_compare): Likewise.
7600 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7602 * regclass.c (fix_register): Likewise.
7604 * rtl.h (fix_register): Likewise.
7606 * stupid.c (stupid_reg_compare): Likewise.
7608 * toplev.c (decode_f_option): Likewise.
7610 * tree.c (build_complex_type): Likewise.
7612 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7614 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7616 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7618 * reload.c (find_reloads): Compute mode and nregs fields of all
7620 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7621 (calculate_needs): Use precomputed mode/nregs values.
7622 (allocate_reload_reg): Likewise.
7624 (failed_reload, set_reload_reg): ... new functions.
7625 (choose_reload_regs_init): New function, mostly broken out from...
7626 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7627 Also lose one #if 0 block.
7629 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7631 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7634 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7636 * tree.h (BLOCK_TYPE_TAGS): Remove.
7637 (BLOCK_END_NOTE): Likewise.
7638 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7639 (BLOCK_LIVE_RANGE_START): Likewise.
7640 (BLOCK_LIVE_RANGE_END): Likewise.
7641 (tree_block): Remove live_range_flag, live_range_var_flag, and
7642 type_tags. Remove end_note, live_range_start, and live_range_end.
7643 (remember_end_note): Remove prototype.
7644 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7645 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7647 * ggc-common.c (ggc_mark_tree_children): Don't mark
7648 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7649 * integrate.c (adjust_copied_decl_tree): Remove.
7650 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7651 * stmt.c (last_block_end_note): Remove.
7652 (init_stmt): Don't add a GC root for it.
7653 (expand_fixup): Don't set it.
7654 (remember_end_note): Remove.
7655 (expand_end_bindings): Don't set last_block_end_note.
7657 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7659 * reload1.c (reload_reg_free_for_value_p): Show
7660 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7663 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7665 * expmed.c (extract_bit_field): Allow for the case of non-integer
7666 objects that are smaller than a word (like SFmode on a 64-bit
7669 * loop.c (basic_induction_var): A non-integer variable which is
7670 being set by a paradoxical subreg is probably not a biv.
7672 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7674 * prefix.c (translate_name) Check for empty prefix string.
7676 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7678 * Makefile.in (CPP_CROSS_NAME): New variable.
7679 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7681 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7682 names of the files to be uninstalled.
7684 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7686 * collect2.c (IS_DIR_SEPARATOR): Define.
7687 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7689 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7692 * haifa-sched.c (add_dependence): Update the true dependency
7693 cache the first time we add a true dependence to the LOG_LINKS chain.
7695 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7697 * fold-const.c (fold): Fix comment.
7699 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7701 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7702 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7703 dbxout_start_new_source_file, dbxout_source_file,
7704 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7705 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7707 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7708 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7709 (dbxout_block): Initialize variable `blocknum'.
7711 * dbxout.h (dbxout_init, dbxout_finish,
7712 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7713 dbxout_args, dbxout_source_line): Constify a char*.
7715 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7716 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7717 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7718 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7719 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7720 src_info_attribute, mac_info_attribute, producer_attribute,
7721 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7722 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7723 dwarfout_undef): Constify a char*.
7724 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7726 * dwarfout.h (dwarfout_define, dwarfout_undef,
7727 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7729 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7731 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7732 (MULTILIB_ISA_DEFAULT): New.
7733 (MULTILIB_DEFAULTS): Use it.
7734 * config/mips/mips.c (): Remove the now unnecessary definition
7735 of MIPS_ISA_DEFAULT.
7736 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7737 unnecessary definition.
7739 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7741 * arm.md (pic_load_addr): Add constraints to operand 1.
7743 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7745 * fixinc/genfixes: Provide a means for specifying -D options to
7748 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7750 * arm.c (arm_override_options): Correct initialization of
7751 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7752 arm_is_strong, and arm_is_6_or_7.
7754 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
7755 (note_set_pseudo_multiple_uses): New function.
7756 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
7757 if a pseudo set in the loop exit is used elsewhere.
7759 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
7761 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
7763 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
7765 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
7766 a single load-address pattern.
7768 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
7770 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
7771 depending on whether or not line-number notes are present.
7773 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7775 * cccp.c (progname, file_buf, default_include, include_file,
7776 macrodef, definition, hashval, wchar_type, user_label_prefix,
7777 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
7778 expand_to_temp_buffer, is_system_include, base_name,
7779 absolute_filename, read_name_map, open_include_file,
7780 record_control_macro, check_precompiled, check_preconditions,
7781 pcfinclude, pass_thru_directive, create_definition,
7782 check_macro_name, comp_def_part, collect_expansion,
7783 check_assertion, read_token_list, assertion_install,
7784 assertion_lookup, eval_if_expression, conditional_skip,
7785 validate_else, skip_quoted_string, quote_string, macarg1,
7786 error_from_errno, install, lookup, hashf, dump_defn_1,
7787 perror_with_name, pfatal_with_name, main, trigraph_pcp,
7788 check_white_space, rescan, handle_directive, monthnames,
7789 special_symbol, do_include, remap_include_file, write_output,
7790 arglist, do_assert, do_unassert, do_line, do_error, do_once,
7791 do_ident, do_sccs, do_xifdef, skip_if_group,
7792 output_line_directive, macroexpand, macarg, change_newlines,
7793 initialize_builtins, make_definition): Constify a char*.
7795 * pcp.h (stringdef): Likewise.
7797 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
7799 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
7802 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
7803 Richard Henderson <rth@cygnus.com>
7805 * alias.c: Include ggc.h.
7806 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
7807 (record_set): Verify enough room in reg_base_value.
7808 (init_alias_analysis): Allocate reg_base_value with xcalloc.
7809 Register it as a GC root.
7810 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
7811 * Makefile.in (alias.o): Depend on ggc.h.
7813 * unroll.c (unroll_loop): Verify the insn before a barrier
7814 is a JUMP_INSN before checking JUMP_LABEL.
7816 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7818 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
7819 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
7820 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
7821 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
7822 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
7823 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
7825 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7827 * output.h (ctors_section, dtors_section, bss_section): Prototype.
7829 * alpha/alpha-interix.h (text_section): Delete prototype.
7830 * alpha/elf.h (text_section): Likewise.
7831 * arm/linux-elf.h (text_section): Likewise.
7832 * arm/linux-telf.h (text_section): Likewise.
7833 * c4x/c4x.h (text_section): Likewise.
7834 * dsp16xx/dsp16xx.h (bss_section): Likewise.
7835 * elfos.h (text_section): Likewise.
7836 * i386/aix386ng.h (text_section): Likewise.
7837 * i386/i386-interix.h (text_section): Likewise.
7838 * i386/sco5.h (text_section): Likewise.
7839 * i386/svr3gas.h (text_section): Likewise.
7840 * nextstep.h (text_section): Likewise.
7841 * psos.h (text_section): Likewise.
7842 * ptx4.h (text_section): Likewise.
7843 * svr3.h (text_section): Likewise.
7844 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
7846 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7848 * final.c (peephole): Delete prototype.
7850 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
7851 (pre_insert_copies): Remove unused variable `bb'.
7853 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
7856 * output.h (peephole): Add prototype.
7858 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
7860 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
7863 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
7865 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
7866 for inlined declarations.
7868 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
7870 * arm.c (logical_binary_operator): New fucntion.
7871 * arm.h (logical_binary_operator): Declare it.
7872 (PREDICATE_CODES): Handle logical_binary_operator.
7873 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
7874 output constraints. Add appropriate splitters.
7875 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
7876 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
7877 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
7879 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7881 * genoutput.c (struct operand_data): New elt eliminable.
7882 (output_operand_data): Write it.
7883 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
7884 (compare_operands): Take it into account.
7885 * recog.h (struct insn_operand_data): New elt eliminable.
7886 * reload1.c (check_eliminable_occurrences, elimination_effects): New
7888 (old_asm_operands_vec, new_asm_operands_vec): Delete.
7889 (eliminate_regs): Move code that detects changes to elimination
7890 target regs into new function elimination_effects.
7891 Delete one #if 0 block.
7892 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
7893 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
7894 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
7895 Only call eliminate_regs for real operands of the insn, not for parts
7896 of its structure or parts matched by things like match_operator.
7897 Use elimination_effects and check_eliminable_occurrences. Use
7898 copy_insn to duplicate the pattern when not in the final pass.
7900 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
7902 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
7905 1999-10-22 Bruce Korb <autogen@linuxbox.com>
7907 * fixinc/README: document the "mach" machine matching test
7908 * fixinc/fixfixes.c: Implement the #else/#endif label fix
7909 * fixinc/fixtests.c: Implement the #else/#endif label test
7910 * fixinc/inclhack.def: utilize these tests and fixes
7911 * fixinc/inclhack.sh: regen
7912 * fixinc/fixincl.x: regen
7913 * fixinc/fixincl.sh: regen
7915 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
7917 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
7920 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
7922 * gcc.1: Document exit codes.
7924 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7926 * calls.c: Include tm_p.h later, so everything we need is defined.
7928 * function.c: Likewise.
7930 * except.c: Include tm_p.h.
7932 * sparc.c: Likewise.
7933 (dwarf2out_cfi_label): Don't prototype.
7934 (check_return_regs, epilogue_renumber,
7935 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7936 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
7937 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
7938 ultra_schedule_insn): Add static prototype.
7939 (data_segment_operand, text_segment_operand): Call itself with the
7940 proper number of arguments.
7941 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
7943 * sparc.h: Move all declarations to sparc-protos.h.
7944 (SELECT_RTX_SECTION): Pass a missing MODE argument to
7947 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
7949 * config/svr4.h (text_section, ctors_section, dtors_section): Add
7951 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
7952 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7953 ASM_OUTPUT_ASCII): Constify a char*.
7955 * sparc-protos.h: New file for sparc prototypes.
7957 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7959 * function.c (record_insns, contains): Always declare and define.
7960 (record_insns): Mark with ATTRIBUTE_UNUSED.
7962 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
7964 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
7965 to .section when outputting a .bss section to deal with multiple
7966 .bss input sections (as happens with -fdata-sections)
7967 Also output %progbits, not @progbits so the assembler doesn't treat as
7969 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
7971 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
7972 thumb parts even when building with non-thumb CPUs, by forcing
7975 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
7977 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
7978 (movdf_const_intreg_sp64): Similarly.
7980 * local-alloc.c (update_equiv_regs): Check the correct insn
7981 for pre-existing REG_EQUIV notes.
7983 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
7985 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
7986 block reached by a branch if we're not going to actually process
7989 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
7991 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
7992 a local extern function declaration.
7994 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
7996 * i386.c (ix86_expand_prologue): Properly wrap USE around
7997 reg for CALL_INSN_FUNCTION_USAGE.
7999 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8001 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8002 move between GP_REGs.
8004 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8006 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8007 the mode size when finding out if an offset is legal.
8009 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8011 * basic-block.h (PROP_*): Move constants from ...
8013 (compute_bb_for_insn): Free the array before reallocating.
8014 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8015 (allocate_reg_life_data): Reset all reg variables collected by
8017 (get_block_head_tail): Don't convert from bb to block.
8018 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8019 (find_insn_reg_weight): Take block not bb.
8020 (schedule_block): Don't set block num for moved insns.
8021 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8022 (schedule_insns): Do it here instead.
8023 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8024 before update_life_info.
8025 * recog.c (split_all_insns, peephole2_optimize): Update for
8026 new arg to update_life_info.
8027 * rtlanal.c (remove_note): Cope with NULL note.
8028 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8031 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8033 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8035 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8036 block records so that merge_blocks_nomove will clean up correctly.
8037 (split_edge): Handle casesi insns.
8039 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8041 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8043 * pa.md (call, call_value): Do not emit a blockage after restoring
8046 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8048 * c-typeck.c (c_expand_asm_operands): Fix typo.
8050 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8052 * arm.c (fpu_rhs_operand): Verify modes.
8053 (fpu_add_operand): Likewise.
8054 (di_operand): Likewise.
8055 (soft_df_operand): Likewise.
8057 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8059 * arm.c (arm_return_in_memory): APCS rules state that the elements
8060 of a structure returned in a register must be 'integer-like'.
8062 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8064 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8065 in the source tree when the generated targets are out of date
8066 * fixinc/genfixes: Alter it to run individual fixes for make.
8067 * fixinc/README: rewrite
8068 * fixinc/inclhack.def: moved initial comments to README
8070 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8072 * toplev.c (main): Do not generate an error message if an
8073 unrecognised command line switch is recognisable by another
8074 language. If extra_warnings are enabled, then generate a
8075 warning message instead.
8077 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8079 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8080 (insert_pack_attributes): Delete prototype.
8082 * c-pragma.c (default_alignment): New static variable.
8083 (push_alignment): Initialize to current effective alignment.
8084 (pop_alignment): Use to set new alignment.
8085 (insert_pack_attributes): Delete function.
8086 (handle_pragma_token): Set default_alignment as well each time
8087 a #pragma pack(<n>) is encountered.
8089 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8091 * reg-stack.c (stack_result): Aggregates are not returned in
8094 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8096 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8098 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8100 * basic-block.h (set_block_num): Declare.
8101 * flow.c (update_life_info): Don't call compute_bb_for_insn
8102 or free_basic_block_vars.
8103 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8104 (insn_orig_block): Remove.
8105 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8106 (schedule_block): Keep BLOCK_NUM up-to-date.
8107 (schedule_insns): Use compute_bb_for_insn.
8108 * recog.c (split_all_insns): Likewise.
8109 (peephole2_optimize): Likewise.
8111 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8113 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8114 if the pic register is used.
8116 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8118 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8119 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8120 if that tests TREE_PERMANENT.
8122 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8124 * cse.c (invalidate_for_call): Do not remove memory references from
8125 the table here. It's handled elsewhere.
8127 * haifa-sched.c (add_dependence): Protect references to the
8128 true dependency cache with #ifdef INSN_SCHEDULING.
8129 (remove_dependence): Similarly.
8131 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8132 to the cfg code that this is a return instruction.
8133 * mn10300.md (return_internal): Similarly.
8135 * combine.c (get_last_value): If the last set of a register
8136 is after subst_low_cuid, then we can not use it to determine
8137 the register's last value.
8139 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8141 * Makefile.in: Back out previous change.
8143 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8145 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8147 * haifa-sched.c (add_dependence): Only check/update the cache
8149 (remove_dependence): Likewise.
8150 (schedule_insns): Only create the true_dependency_cache if the
8151 average number of instructions in a basic block is very large.
8153 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8155 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8156 (ggc-simple.o): Likewise.
8157 (ggc-page.o): Likewise.
8159 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8161 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8162 Prototype for exported functions.
8163 (pre_lcm, pre_rev_lcm): Remove prototypes.
8164 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8165 (compute_available): Move to lcm.c, and change parameter order.
8166 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8167 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8168 (gcse_main): No longer call compute_preds_succs. Rebuild the
8169 set table after reach pre pass.
8170 (pre_insert_map, pre_delete_map, edge_list): New.
8171 (alloc_pre_mem): Allocate edge vectors.
8172 (free_pre_mem): Delete edge vectors.
8173 (compute_pre_data): Call new edge based lcm routines.
8174 (process_insert_insn): New function.
8175 (insert_insn_end_bb): Use it.
8176 (pre_edge_insert): New function.
8177 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8179 (pre_insert_copies): Revamp using new edge based lcm outputs.
8180 (pre_delete): Likewise.
8181 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8183 (compute_code_hoist_vbeinout): New new edge based routines.
8184 * lcm.c: Remove all the old LCM functions. Replace with new ones
8185 that work with the new cfg datastructures and work with edges
8188 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8190 * reload.h (struct reload): Add new fields "mode" and "nregs".
8191 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8192 to reference the "mode" and "nregs" field within struct reload.
8194 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8196 * haifa-sched.c (true_dependency_cache): New.
8197 (add_dependence): Use the true dependency cache to avoid expensive
8198 walks down the LOG_LINKS dependency list. Add entries to the
8200 (remove_dependence): Remove entries from the true dependency cache
8202 (schedule_insns): Allocate and initialize and free the true
8205 * haifa-sched.c (schedule_insns): Do not remove inter-block
8206 dependencies anymore.
8208 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8210 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8211 * i386/t-winnt: Likewise.
8213 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8215 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8217 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8219 * Makefile.in (LANGUAGES): Omit "proto".
8220 (clean): Remove stale comment about removing unprotoize.c.
8222 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8224 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8225 using arithmetic on void pointers.
8227 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8229 * haifa-sched.c (compute_block_forward_dependencies): Only check
8230 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8232 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8234 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8235 (expr_equiv_p): Reject memories with different alias sets.
8237 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8239 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8240 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8241 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8242 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8243 (lang_init): Set default for flag_bounds_check if still "unspecified".
8245 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8247 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8249 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8251 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8254 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8256 * config/c4x/c4x.md (*db_noclobber,
8257 *decrement_and_branch_until_zero_noclobber): New patterns and
8258 associated splitters.
8260 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8262 * config/c4x/c4x.md (parallel instruction patterns): Rework
8263 constraints to keep reload happy.
8265 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8267 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8268 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8269 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8270 Add new patterns and associated post-reload splitters.
8272 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8274 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8276 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8278 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8280 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8282 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8284 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8287 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8289 * pa.c (move_operand): Rely on memory_address_p to determine the
8290 validity of non-indexed memory addresses.
8291 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8292 operand in DFmode and SFmode when generating PA2.0 code.
8294 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8296 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8298 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8300 * mips.c (function_prologue): Fix argument types.
8301 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8302 (casesi_internal): Write to the scratch register.
8304 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8306 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8308 (parse_charconst): Delete unnecessary cast when calling
8310 (cpplib.h): Kill prototype of cpp_parse_escape.
8312 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8314 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8315 * unroll.c (unroll_loop): Cast return value of alloca.
8316 * i370/i370.c: Include function.h and toplev.h.
8317 (i370_label_scan): Remove c++ commented abort.
8318 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8319 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8320 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8321 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8323 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8325 * config/t-freebsd: Do not override USER_H.
8326 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8328 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8329 Mumit Khan <khan@xraylith.wisc.edu>
8331 * c-parse.in (component_decl): Support anonymous struct/union.
8333 * c-parse.y: Regenerate.
8334 * c-parse.c: Likewise.
8335 * objc/objc-parse.y: Likewise.
8336 * objc/objc-parse.c: Likewise.
8337 * c-decl.c (finish_struct): Don't sort the fields.
8338 (field_decl_cmp): Delete unused function.
8340 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8342 * sparc.md (movsf_const_intreg): Revert last constraint change.
8343 (movdf_const_intreg_sp32): Likewise.
8345 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8347 * cse.c: Include hashtab.h instead of splay-tree.h
8348 (struct cse_reg_info): No longer use variant union. Add new
8349 field "regno". All references changed to avoid union.
8350 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8351 (free_cse_reg_info): Remove.
8352 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8353 (get_cse_reg_info): Revamp to use expandable hash tables instead
8354 of splay trees. Initialize new fields in cse_reg_info structure.
8355 (new_basic_block): Similarly.
8357 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8359 * genrecog.c (message_with_line): Prototype.
8360 (validate_pattern): Pass along the set for the dest, not a flag.
8361 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8362 Check for PC/CC0 as sources.
8363 (nodes_identical): Check for children position match before
8364 allowing the combination.
8366 * rtl.c (read_rtx): Track line number across \\\n.
8368 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8370 * mips.h (SPECIAL_MODE_PREDICATES): New.
8371 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8372 (movdi+1, movsi+1): Add output reload constraint.
8373 (casesi_internal): Likewise. Fix commentary.
8374 (return_internal): Use pmode_register_operand.
8376 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8378 * 1750a.md (movstrqi): Add missing output reload constraint.
8379 (call_value): Likewise.
8380 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8381 (jmpfdec): Add missing inout reload constraint.
8382 * elxsi.md (addsi patterns): Add missing output reload constraint.
8383 (move from sp): Use @ alternates.
8384 (call_value): No constraint on output.
8385 * fr30.md (movsi_pop): Add missing output reload constraint.
8386 (movsf_constant_store): Likewise.
8387 (splits): Remove constraints.
8388 (subsi3): Add missing mode.
8389 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8390 (call_value): Likewise.
8391 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8392 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8393 * m32r.md (movsicc_internal): Add output reload constraint.
8394 (movstrsi_internal): Add inout reload constraints.
8395 * m88k.h (reg_names): Don't declare.
8396 (SPECIAL_MODE_PREDICATES): New.
8397 * m88k.md (*): Use register_operand not reg_or_0_operand
8399 * mn10200.h (PREDICATE_CODES): New.
8400 * ns32k.md (ffs pattern): Add output reload constraint.
8401 * pdp11.md (sob pattern): Add inout reload constraint.
8402 * sh.md (splits): Remove constraints.
8403 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8404 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8405 * vax.md (jgequ pattern): Add inout reload constraint.
8407 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8409 * configure.in (djgpp): Revert previous patch.
8410 * configure: Rebuit.
8411 * config/i386/djgpp.h: Revert previous patch.
8413 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8415 * fixinc/inclhack.def: Restore patch lost during last merge of
8416 "no_bogosity" branch.
8417 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8419 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8421 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8422 * fixinc/inclhack.def: Same.
8423 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8425 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8427 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8428 as the base of a PLUS.
8430 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8432 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8433 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8435 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8437 * pa.md (post_stw+1): Use pmode_register_operand.
8438 (dcacheflush, icacheflush): Likewise.
8440 * i386.md (movstricthi_1): Allow r/r.
8442 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8444 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8445 to (not (and (arg0) (arg1))). Similary for and.
8447 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8448 fallthrough to associate code.
8449 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8452 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8453 no bits in common; remove XOR to ROTATE conversion.
8455 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8457 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8459 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8461 * config/c4x/c4x.c (dst_operand): New.
8462 (PREDICATE_CODES): Update.
8463 * config/c4x/c4x.h (dst_operand): Declare it.
8464 * config/c4x/c4x.md: Define mode for each unspec usage.
8465 (move patterns): Use dst_operand predicate instead of src_operand.
8466 (movqi_update, movqf_update): Delete.
8468 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8470 * recog.c (pmode_register_operand): New.
8471 * recog.h: Declare it.
8472 * genrecog.c (pred_codes): Likewise.
8473 (special_mode_pred_table): Likewise.
8474 (validate_pattern): Don't warn no mode for address_operand.
8476 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8477 if the operand is not insn-like.
8479 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8480 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8482 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8484 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8486 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8487 instead of general_operand in a SET_DEST. Use const_double_operand
8488 instead of an explicit test against CONST_DOUBLE.
8489 (movsf_const_lo): Add missing register mode.
8490 (goto_handler_and_restore): Add auxiliary test for Pmode.
8491 (flush): Adjust to use address_operand.
8492 (return_sf_no_fpu): Add missing output constraint.
8494 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8496 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8497 for call return value.
8498 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8500 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8502 * toplev.c (main): Only warn about options for other languages.
8503 * collect2.c (main): Pass -w to sub-gcc.
8505 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8507 * flow.c (propagate_block): Add call-clobbered registers to
8510 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8511 zapping mem_set_list.
8512 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8513 (mark_set_1, mark_used_regs): Likewise.
8515 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8517 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8519 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8521 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8522 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8523 options. Also add a new item "C-only Warning Options" to the
8526 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8528 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8529 from multiple calls.
8531 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8533 * i386.md (call value patterns): Move to the end of the file.
8534 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8536 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8538 * configure.in (djgpp configuration): Define extra_objects..
8539 * configure: Rebuilt.
8540 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8541 (DTORS_SECTION_ASM_OP): Define.
8542 (INIT_SECTION_ASM_OP): Define.
8543 (FINI_SECTION_ASM_OP): Define.
8544 (DATA_SECTION_ASM_OP): Define.
8545 (TEXT_SECTION_ASM_OP): Define.
8546 (EH_FRAME_SECTION_ASM_OP): Define.
8547 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8548 (STARTFILE_SPEC): Add crtbegin.o.
8549 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8550 to here from LINK_COMMAND_SPEC.
8551 (DO_GLOBAL_CTORS_BODY): Define.
8552 (CRTSTUFF_USE_FINI_SECTION): Define
8553 (HAS_INIT_SECTION): Delete.
8555 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8557 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8559 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8561 * pa.h (PREDICATE_CODES): New.
8563 * genrecog.c (validate_pattern): Condense the destination
8566 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8568 * alpha.md (call-1): Supply missing mode for operator.
8569 (*): Add missing output reload constraints. Remove constraints
8572 * i386.h (SPECIAL_MODE_PREDICATES): New.
8573 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8574 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8575 (addsi_lea_3): Add missing mode for op 3.
8576 (prologue_set_got, prologue_get_pc): Add missing modes.
8577 (*) Add missing output reload constraints.
8579 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8581 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8582 check for member bit-size overflow and use var_size if it occurs.
8583 (layout_record): Use bitsize_int() to define the type size in bits.
8584 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8585 (layout_decl): Likewise when assigning to DECL_SIZE.
8587 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8589 * genrecog.c (validate_pattern): Typo last change. Verify
8590 that output operands have output reloads.
8592 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8594 * genrecog.c (special_mode_pred_table): New.
8595 (NUM_SPECIAL_MODE_PREDS): New.
8596 (find_operand): New.
8597 (validate_pattern): New argument `insn'. Warn for assignment to
8598 any predicate accepting non-lvalues. Conditionaly warn for
8599 match_operand without a mode. Try much harder to match source
8600 and destination modes on a set.
8601 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8603 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8605 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8607 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8609 * combine.c (simplify_logical): Recognize xor pattern that encodes
8612 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8614 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8617 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8619 * ggc-page.c (MAP_FAILED): Provide default.
8621 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8623 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8624 * sparc.h (PREDICATE_CODES): Update.
8626 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8628 * alpha.c (some_ni_operand): New.
8629 * alpha-protos.h: Declare it.
8630 * alpha.h (PREDICATE_CODES): Update.
8631 * alpha.md (sXaddq reload insns): Use some_ni_operand
8632 for SET_DEST instead of some_operand.
8634 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8635 Jim Wilson <wilson@cygnus.com>
8637 * genrecog.c (maybe_both_true_2): Don't compare modes of
8639 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8640 after find_afterward.
8641 (debug_decision_1): Dump next and afterward codes.
8643 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8645 * rtl.c (dump_and_abort): Remove.
8646 (fatal_with_file_and_line): New.
8647 (fatal_expected_char): New.
8648 (read_rtx_lineno, read_rtx_filename): New.
8649 (read_skip_spaces): Track line number.
8650 (read_name): Use fatal_with_file_and_line.
8651 (read_rtx): Use fatal_expected_char. Track line number.
8652 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8654 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8655 if it isn't a CODE_LABEL.
8657 * genattr.c (main): Set read_rtx_filename.
8658 * genattrtab.c (main): Likewise.
8659 * gencodes.c (main): Likewise.
8660 * genconfig.c (main): Likewise.
8661 * genemit.c (main): Likewise.
8662 * genextract.c (main): Likewise.
8663 * genflags.c (main): Likewise.
8664 * genopinit.c (main): Likewise.
8665 * genoutput.c (main): Likewise.
8666 * genpeep.c (main): Likewise.
8668 * genrecog.c (decision_test.u.insn): Add `lineno'.
8669 (pattern_lineno, error_count): New variables.
8670 (message_with_line): New.
8671 (add_to_sequence): Break out checking code to ...
8672 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8673 (merge_insn): Use message_with_line.
8674 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8675 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8677 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8679 * expr.c (store_constructor): Clear union if constructor is empty.
8681 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8683 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8684 Add !endian checks. Change %{...} to %(...).
8686 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8688 * i386.md (*addsi3_cc): Renamed from addcsi3.
8689 (*addsi3_carry): Renamed from addxsi3.
8690 (*subsi3_cc): Renamed from subcsi3.
8691 (*subsi3_carry): Renamed from subxsi3.
8692 (*xorqi_cc_1): Renamed from xorcqi_1.
8693 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8694 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8696 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8698 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8699 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8701 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8703 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8704 climb up the chain of insns.
8706 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8708 * genrecog.c (write_subroutine): Careful for null trees.
8709 (process_tree): Don't elide empty functions.
8711 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8713 * Makefile.in (genrtl.o): Depend on ggc.h.
8714 * configure.in (valloc): Probe for it.
8715 (with-gc): Use ggc-page if valloc present.
8716 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8717 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8718 (ggc_alloc_string): Moved from ggc-page.c.
8719 * ggc-none.c (ggc_alloc_obj): New.
8720 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8721 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8722 (struct globals): Likewise for dev_zero_fd.
8723 (init_ggc): Likewise for it's initialization.
8724 (ggc_allocated_p): Move careful dereference from ...
8725 (ggc_lookup_page_table): ... here. Delete.
8726 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8727 (alloc_anon): Use valloc if no mmap.
8728 (release_pages): Use free if using valloc.
8729 (ggc_alloc_obj): Renamed from alloc_obj.
8730 (ggc_set_mark): Renamed from mark_obj.
8731 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8732 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8733 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8734 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8735 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8736 (ggc_collect): Use fp printing instead of our own rounding.
8737 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8738 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8739 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8740 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8741 (struct ggc_string, struct ggc_any): Delete.
8742 (offsetof): Provide default definition.
8743 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8745 (struct ggc_mem): New, from corpse of ggc_any.
8746 (struct ggc_status): Delete.
8747 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8748 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8749 (n_strings_collected, n_anys_collected): Delete.
8750 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8751 (ggc_alloc_string, ggc_alloc): Delete.
8752 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8753 (ggc_free_string, ggc_free_any): Delete.
8754 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
8755 (ggc_compare_addresses, ggc_mark_string): Delete.
8756 (ggc_mark_string_if_gcable, ggc_mark): Delete.
8757 (search_data): Delete.
8758 (struct globals): New.
8759 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
8760 (tree_insert, tree_lookup): New.
8761 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
8762 (clear_marks, sweep_objs): New.
8763 (ggc_collect): Gut. Use clear_marks, sweep_objs.
8764 (init_ggc): Set allocated_last_gc.
8765 (ggc_push_context): Gut. Use G.context.
8766 (ggc_pop_context): Likewise.
8767 (ggc_pop_context_1): New.
8768 (debug_ggc_tree): New.
8769 (debug_ggc_balance, tally_leaves): New.
8770 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
8771 (ggc_mark_string_if_gcable): Remove decl.
8772 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
8773 (ggc_mark_rtvec_children): New.
8774 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
8775 (ggc_mark_if_gcable): New decl.
8776 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
8777 (ggc_alloc_tree, ggc_alloc): Likewise.
8778 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
8779 (ggc_alloc_obj): New decl.
8780 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
8781 (ggc_alloc_tree, ggc_alloc): Likewise.
8782 (ggc_set_mark): New decl.
8783 * rtl.h (struct rtx_def): Remove gc_mark.
8784 (struct rtvec_def): Likewise.
8785 * tree.h (struct tree_common): Likewise.
8787 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
8789 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
8790 float_format and thread_file definitions.
8791 * configure: Rebuilt.
8793 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
8795 * extend.texi (Function Names): Document types of function names.
8797 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8799 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8800 an earlyclobbered output conflict with RELOAD_INPUT reloads.
8802 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8804 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
8806 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8808 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
8810 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
8812 * collect2.c (main): Do prelimnary link on AIX if rflag.
8814 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8816 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
8817 __CTOR_LIST__ in opposite order, which is the correct order for sorted
8819 (__do_global_dtors): similarly for __DTOR_LIST__.
8821 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8822 Diego Novillo <dnovillo@cygnus.com>
8824 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
8827 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
8829 * fixincl/*: Merged "no_bogosity" branch
8830 * fixincl/fixlib.h: protect against doubly defining t_bool
8831 * fixincl/server.h: protect against doubly defining t_bool
8833 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
8835 * genoutput.c: Include toplev.h.
8837 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
8839 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8841 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
8842 * configure: Regenerate.
8844 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8846 * gcse.c (delete_null_pointer_checks): Returns void.
8848 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8850 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
8851 * emit-rtl.c (copy_insn_1): Likewise.
8853 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8855 * config/mips/mips.c (mips_build_va_list): Correct
8856 TREE_CHAIN setting when hard-float.
8857 (mips_va_start): Use corrected setting.
8858 (mips_va_arg): Likewise. Also pass a tree to build of
8859 POSTINCREMENT_EXPR rather than a naked 'int'.
8861 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
8863 * ggc.h (ggc_push_context): Fix comment.
8864 (ggc_pop_context): Likewise.
8865 (mark_string_if_gcable): Likewise.
8866 * ggc-common.c (ggc_mark_rtx_children): Use
8867 ggc_mark_string_if_gcable.
8868 * ggc-page.c (ggc_lookup_page_table): New function.
8869 (ggc_allocated_p): Likewise.
8870 (mark_obj): Fix formatting.
8871 (ggc_mark_string_if_gcable): New function.
8872 * ggc-simple.c (ggc_allocated_strings): New variable.
8873 (ggc_strings_used): Likewise.
8874 (ggc_compare_addresses): New function.
8875 (ggc_pop_context): Pop the `any' memory too.
8876 (ggc_mark_string_if_gcable): New function.
8877 (ggc_collect): Initialize and tear down ggc_allocated_strings.
8879 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
8881 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
8882 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
8883 * rs6000.c (expand_block_move): Match movstrsi_?reg register
8886 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
8888 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
8889 (sched_reg_live_length, sched_reg_basic_block): Delete.
8890 (current_block_num, bb_live_regs, old_live_regs): Delete.
8891 (dead_notes, struct sometimes): Delete.
8892 (sched_note_set, birthing_insn_p): Delete.
8893 (adjust_priority): Gut useless reg lifetime code.
8894 (create_reg_dead_note, attach_deaths): Delete.
8895 (attach_deaths_insn, new_sometimes_live): Delete.
8896 (finish_sometimes_live): Delete.
8897 (find_pre_sched_live, find_post_sched_live): Delete.
8898 (update_reg_usage): Delete.
8899 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
8900 (schedule_insns): Delete reg lifetime code.
8901 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
8902 (unlink_other_notes): Adjust REG_NOTE commentary.
8903 (reemit_notes): Use REG_SAVE_NOTE.
8904 (schedule_block): Likewise.
8905 (schedule_region): Allocate bitmap of blocks in region. Use
8906 count_or_remove_death_notes. Use update_life_info.
8908 * rtl.h (REG_SAVE_NOTE): New.
8909 * rtl.c (reg_note_name): Update.
8911 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
8913 * combine.c (refresh_blocks, need_refresh): New.
8914 (combine_instructions): Allocate refresh_blocks. Invoke
8915 update_life_info if needed.
8916 (distribute_notes): Mark refresh_blocks instead of installing
8918 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
8919 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
8921 * Makefile.in (recog.o): Depend on basic-block.h.
8923 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
8925 * genrecog.c (add_to_sequence): Thinko last change: delete
8926 shadowing allow_const_int variable.
8928 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8930 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
8931 __GNUC__ and __GNUC_MINOR__.
8933 * gansidecl.h: Likewise.
8939 * toplev.h: Likewise.
8945 * varray.c: Likewise.
8947 * varray.h: Likewise.
8949 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8951 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
8952 use one before a jump table.
8954 * rtl.def (ADDRESS): Change documentation to match reality.
8955 * md.texi: Don't document it.
8956 * gmicro.md (load address pattern): Use 'p' constraint, delete use
8959 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
8961 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
8963 * genrecog.c (add_to_sequence): Move allow_const_int test outside
8964 known predicate block; default allow_const_int true.
8965 (debug_decision_list): New.
8967 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
8969 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
8971 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
8973 * gcse.c (gcse_main): Avoid global optimizations if we have a
8974 large number of basic blocks and the ratio of edges to blocks
8976 (delete_null_pointer_checks): Likewise.
8978 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
8980 * c-common.c (check_format_info): Warn if format string isn't a
8983 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8985 * configure.in (arm*-*-*): Don't let autoconf remove brackets
8986 * configure: regenerate
8988 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
8990 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
8991 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
8992 (peepholes): Re-enable.
8994 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
8996 * Makefile.in (flow.o): Depend on TREE_H.
8997 * basic-block.h (REG_SET_EQUAL_P): New.
9000 (free_regset_vector): Remove declaration.
9001 (flow_delete_insn_chain): Declare.
9002 (enum update_life_extent): New.
9003 (update_life_info, count_or_remove_death_notes): Declare.
9004 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9005 Verify register live at bb->global_live_at_start before adding USE.
9006 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9007 (CLEAN_ALLOCA): New.
9009 (PROP_*): New flags.
9010 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9011 (clear_edges): Zero n_edges.
9012 (make_edge): Increment n_edges.
9013 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9014 (flow_delete_insn_chain): Export.
9015 (delete_block): Decrement n_edges.
9016 (merge_blocks_nomove): Likewise.
9017 (life_analysis): Give life_analysis_1 PROP flags.
9018 (verify_wide_reg_1, verify_wide_reg): New.
9019 (verify_local_live_at_start): New.
9020 (update_life_info): Rewrite to call into propogate_block.
9022 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9023 always mark stack pointer. Conditionally mark PIC register.
9024 After reload, mark call-saved registers, return regsiters.
9025 (life_analysis_1): Accept PROP flags not remove_dead_code.
9026 Call mark_regs_live_at_end before zeroing regs_ever_live.
9027 Use calculate_global_regs_live. Copy global_live_at_end before
9028 calling final propagate_block. Zero reg_next_use on exit.
9029 (calculate_global_regs_live): New.
9030 (allocate_bb_life_data): Don't allocate bb->local_set.
9031 (init_regset_vector, free_regset_vector): Remove.
9032 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9033 Test flags before every operation. Warn if prologue/epilogue insn
9034 would have been deleted.
9035 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9036 Use alloc_EXPR_LIST.
9037 (mark_used_regs): Accept and use FLAGS, not FINAL.
9038 Remove special handling for RETURN.
9039 (try_pre_increment): Use alloc_EXPR_LIST.
9040 (dump_flow_info): Dump n_edges.
9041 (unlink_insn_chain, split_hard_reg_notes): Remove.
9042 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9043 (find_insn_with_note, new_insn_dead_notes): Remove.
9044 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9045 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9046 (replace_insns): Remove.
9047 (count_or_remove_death_notes): New.
9048 (verify_flow_info): Abort on error after all checks.
9049 (remove_edge): Decrement n_edges.
9050 (remove_fake_edges): Tweek format.
9051 * haifa-sched.c (schedule_insns): Use split_all_insns.
9052 * output.h (update_life_info): Remove declaration.
9053 * recog.c (split_all_insns): From the corpse of split_block_insns,
9054 do the whole function block by block. Use update_life_info.
9055 (recog_last_allowed_insn): New.
9056 (recog_next_insn): Mind it.
9057 (peephole2_optimize): Set it. Walk backwards through blocks.
9058 Use update_life_info.
9059 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9060 (split_all_insns): Declare.
9061 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9062 Use split_all_insns.
9064 * i386.md (or -1 peep2s): Disable.
9066 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9068 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9069 a single pattern. Scrap the 'd' versions as unnecessary.
9071 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9072 tablejump_mips162,tablejump_internal4): The operands to a
9073 label_ref must be VOIDmode.
9075 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9077 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9079 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9081 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9083 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9085 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9086 cache every function if ggc_p.
9088 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9090 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9091 instead of copy_rtx. Accept sequences that contain asm statements.
9092 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9093 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9094 orig_asm_operands_vector, copy_asm_operands_vector,
9095 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9097 * rtl.h (copy_insn, copy_insn_1): Declare.
9099 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9101 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9103 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9104 arguments to `current_file_function_operand'.
9106 * genrecog.c: Include hard-reg-set.h and resource.h in the
9107 generated output file.
9109 * real.c: Include tm_p.h.
9111 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9113 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9116 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9118 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9119 before the fctiwz insn.
9121 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9122 Mark Mitchell <mark@codesourcery.com>
9124 * tree.c (make_lang_type_fn): New funtion pointer.
9125 (make_lang_type): Call it.
9126 * tree.h (make_lang_type): Declare.
9127 (make_lang_type_fn): Likewise.
9128 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9130 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9132 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9133 make sure that HIGH instructions are copied into BASE_REGS.
9135 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9137 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9139 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9141 * c-decl.c (finish_struct): Use simpler method of
9142 removing elements of a singly-linked list.
9144 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9146 * alpha.md (peephole2's): Comment out peephole2's that generate
9149 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9151 * genrecog.c (add_to_sequence): Disable mode check for
9154 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9156 * ggc-simple.c (init_ggc): Set empty_string.
9158 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9160 * configure.in: Detect mmap. Add --with-gc=foo to select
9161 garbage collector; default to page if mmap available.
9162 * Makefile.in (GGC): Substitute.
9164 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9166 * c-decl.c (ggc_p): Enable.
9168 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9170 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9172 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9174 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9175 string for little-endian-data.
9177 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9179 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9180 case somebody tries to compile --enable-checking code with gcc
9183 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9185 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9188 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9190 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9191 * jump.c (jump_optimize_1): Document why.
9193 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9195 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9196 pointers and casts for `int_handler' and `quit_handler'.
9198 * flow.c (verify_flow_info, split_hard_reg_notes,
9199 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9200 remove_edge, remove_fake_successors): Add static prototypes.
9201 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9202 (mark_set_1): Initialize variable `regno'.
9203 (unlink_insn_chain): Likewise for variable `curr'.
9204 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9206 * loop.c (strength_reduce): Initialize variable
9207 `unrolled_insn_copies'.
9208 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9209 prototypes. Change these functions to take const PTR parameters
9210 to avoid prototype conflict when used as the comparson argument
9212 (check_dbra_loop): Initialize variable `comparison_val'.
9214 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9215 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9216 (find_valid_class): Initialize variable `best_class'.
9217 (find_reloads): Call memcpy, not bcopy.
9219 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9220 (hard_reg_use_compare): Don't needlessly cast away const.
9221 (reload_reg_class_lower): Likewise.
9222 (choose_reload_regs): Initialize variable `regno'.
9224 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9226 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9228 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9230 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9231 ({,d}discard): Add forward declarations. Declare parameter as
9233 (main_without_main): Explicitly declare return type to be int.
9234 (memcpy): Properly declare.
9236 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9237 building the trampoline support, declare malloc, free, and
9239 (__clear_cache): Mark arguments as potentially unused.
9241 * frame.c (toplevel): If inhibit_libc is defined, declare
9244 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9246 * flow.c (make_edge): Accept an optional 2D bitmap in which
9247 to cache edge existence. Update all callers.
9248 (make_label_edge, make_eh_edge): Pass through the edge cache.
9249 (make_edges): Provide the cache.
9251 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9253 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9255 (local_mbtowc): Change the type of variable `i' from int to size_t.
9257 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9258 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9260 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9262 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9263 after other includes that define the appropriate types. Include
9264 tm_p.h for getting user prototypes.
9265 * ggc-callbacks.c (toplevel): Ditto.
9266 * ggc-none.c (toplevel): Ditto.
9267 * gcc-page.c (toplevel): Ditto.
9268 * ggc-simple.c (toplevel): Ditto.
9270 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9271 Jonathan Larmour <jlarmour@cygnus.co.uk>
9273 * config/mips/mips.c (mips_move_2words): Split doubles if
9274 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9276 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9278 * genrecog.c (struct decision_test): New.
9279 (struct decision): Remove test-related members, sort the rest by size.
9280 (IS_SPLIT): Simplify.
9281 (new_decision, new_decision_test): New.
9282 (add_to_sequence): Use them. No special handling for args of
9284 (maybe_both_true): Renamed from not_both_true; return sense changed.
9285 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9286 of maybe_both_true and adjusted for decision_test.
9287 (position_merit): Remove.
9288 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9289 (merge_accept_insn): New, broken out of merge_trees.
9290 (merge_trees): Use them. No special case for c_test; no node
9291 splitting; use test type instead of position_merit.
9292 (factor_tests): New.
9293 (simplify_tests): New.
9294 (break_out_subroutines): Don't write code now.
9295 (find_afterward): New.
9296 (write_afterward, write_switch, write_cond): New.
9297 (write_action, is_unconditional): New.
9298 (write_node): New. Use them.
9299 (write_tree_1): Rewrite. Use the new functions above.
9300 (write_tree): Remove afterward processing.
9301 (write_subroutine): Simplify function variant emission.
9302 (write_subroutines): New.
9303 (same_codes, clear_codes): Remove.
9304 (same_modes, clear_modes): Remove.
9305 (write_header): New, broken out of main.
9306 (make_insn_sequence): Use new_decision and new_decision_test.
9307 (process_tree): New, broken out of main.
9308 (main): Adjust for merge_trees interface change.
9309 Don't #define operands in the output file.
9310 (record_insn_name): New, broken out of make_insn_sequence.
9311 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9312 (debug_decision): New.
9314 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9316 * resource.c (find_free_register): Mark class_str argument const.
9317 * resource.h: Update prototype to match.
9319 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9320 * i386.md: Give all anonymous insns names.
9322 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9324 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9327 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9329 * toplev.c (dbr_sched_time): Unconditional.
9330 (peephole2_time): New.
9331 (compile_file): Add pass numbers to all of the dump file suffixes.
9332 Dump peephole2_time. Don't dump times for non-applicable passes.
9333 (rest_of_compilation): Add pass numbers to dump file suffixes.
9334 Conditionalize calls to the scheduler.
9335 * invoke.texi: Update.
9337 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9339 * flow.c (make_edges): Fix insn iteration.
9340 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9341 (find_basic_blocks_1): Fix spelling mistake.
9343 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9345 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9346 always have side-effects. Use memset not bzero.
9347 (make_node): Likewise.
9349 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9351 * stmt.c (expand_anon_union_decl): When any of the elements of the
9352 union is addressable, so is the entire union.
9354 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9356 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9358 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9359 * bitmap.c (bitmap_operation): Return true iff TO changed.
9360 (bitmap_equal_p): New.
9361 (bitmap_bit_p): Tidy arithmetic.
9362 (debug_bitmap_file): Likewise.
9364 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9366 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9367 before cse2 instead of after.
9369 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9371 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9374 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9376 * cppinit.c (is_idchar initializer): Loosen tests to accept
9379 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9381 * mips.md: Define conditional move patterns for floating point
9382 operands and DI mode conditions.
9384 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9386 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9387 always have side-effects.
9389 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9391 * mn10200.c (asm_file_start): Fix typo.
9393 * cppinit.c (is_idchar initializer): Tighten tests for when
9394 to put the table into initialized memory.
9396 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9397 not an array of rtunion.
9398 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9399 * gcc-simple (ggc_free_rtvec): Similarly.
9401 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9404 * mbchar.h: Add missing #endif.
9406 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9407 (FPBIT, DPBIT): Define.
9409 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9411 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9413 * profile.c (instrument_arcs, output_gcov_string,
9414 tablejump_entry_p): Add static prototypes.
9415 (output_gcov_string): Constify a char*.
9417 * regmove.c (replacement_quality, fixup_match_2): Add static
9420 * resource.h (reg_dead_p): Add extern prototype.
9422 * rtl.c (trim_filename): Add static prototype.
9424 * scan-decls.c (skip_to_closing_brace): Likewise.
9426 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9427 (expand_end_case): Initialize variable `range'.
9428 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9430 * varasm.c (asm_emit_uninitialised): Add static prototype.
9431 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9434 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9436 * cpplib.c (if_directive_nameo): Add static prototype.
9438 * cse.c (cse_insn): Remove unused variable `p'.
9440 * except.c (create_rethrow_ref, push_entry,
9441 receive_exception_label, new_eh_region_entry, find_func_region,
9442 clear_function_eh_region, process_nestinfo): Add static prototypes.
9443 (get_reg_for_handler): Hide definition.
9444 (process_nestinfo): Initialize variable `extra_handlers'.
9446 * expr.h (expand_builtin_longjmp): Add extern prototype.
9448 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9450 * function.c (prepare_function_start): Likewise.
9451 (pop_function_context_from): Mark parameter `context' with
9453 (push_temp_slots_for_block, flush_addressof): Hide definition.
9455 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9456 solve_program_flow_graph, calculate_branch_probs,
9457 function_summary, main, fancy_abort): Add prototypes.
9459 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9460 (add_hash): Constify a char*.
9462 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9463 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9464 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9466 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9468 * lists.c (free_list, zap_lists): Likewise.
9470 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9472 * alias.c (nonlocal_reference_p): Add static prototype.
9474 * bitmap.c (bitmap_element_allocate): Prototype args in function
9477 * builtins.c (stabilize_va_list): Add static prototype.
9478 (expand_builtin_va_arg): Constify a char*.
9480 * c-lex.c (getch, put_back, extend_token_buffer_to,
9481 read_line_number, token_getch, token_put_back): Add static
9484 * c-parse.gperf (hash, is_reserved_word): Likewise.
9486 * cccp.c (is_dir_separator): Likewise.
9488 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9490 * graph.h: New file to prototype functions exported by graph.c.
9492 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9494 * graph.c: Include graph.h.
9496 * toplev.c: Likewise. Remove redundant prototypes.
9498 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9500 * invoke.texi: Removed duplicated description for -Q.
9502 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9504 * extend.texi: Grammar fix in __extension__ text.
9506 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9508 * md.texi (define_peephole2): New section.
9510 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9512 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9513 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9516 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9518 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9520 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9522 * i386.md (ffs expander): Emit Pentium friendly code for
9525 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9527 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9531 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9533 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9535 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9537 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9540 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9542 * md.texi (No Constraints): Delete section.
9543 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9544 * final.c (final_scan_insn): We always have register constraints.
9545 * genattrtab.c: Don't include "insn-config.h".
9546 (write_attr_case): We always have register constraints.
9547 * genconfig.c (register_constraint_flag): Delete.
9548 (walk_insn_part): Don't check whether we have register constraints.
9549 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9550 * genoutput.c (have_constraints): Delete.
9551 (main): Don't set it.
9552 (output_operand_data): We always have constraints.
9553 (scan_operands): Likewise.
9554 (compare_operands): Likewise.
9555 * local-alloc.c (block_alloc): We always have constraints.
9556 (requires_inout): Always compile this function.
9557 * recog.c (extract_insn): We always have constraints.
9558 (constrain_operands, reg_fits_class_p): Always compile these
9560 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9562 (struct insn_operand_data): Likewise.
9563 * regclass.c (regclass): We always have constraints.
9564 (record_reg_classes, copy_cost, record_address_regs,
9565 auto_inc_dec_reg_p): Always compile these functions.
9566 * regmove.c (regmove_optimize): We always have constraints.
9567 * reload.c (find_reloads): Likewise.
9568 * reload1.c (reload): Likewise.
9569 (reload_cse_simplify_operands): Likewise.
9570 * i860.c (output_delay_insn): Likewise.
9572 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9574 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9576 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9578 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9579 for the va_list record.
9581 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9583 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9586 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9588 * alias.c: Include insn-flags.h.
9589 * Makefile.in (alias.o): Update.
9591 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9593 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9594 to LTU and GEU. Handle more cases using sbb.
9596 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9598 * i386.md (truncatexfdf splitters): Do not use subreg.
9599 (fop XFmode patterns): Fix mode in operand testing.
9601 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9603 * jump.c (jump_optimize_1): Amend last change to test only the
9604 form of the operand, not the insn.
9606 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9607 not register_operand to determine when B may need preloading.
9609 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9611 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9612 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9613 (call-value patterns): Move to end of file.
9614 (*): Remove mode from label_ref in (pc) context.
9615 (movstrqi): Use memory not general_operand for BLKmode operands.
9616 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9617 to register_operand operands.
9618 (peep2 patterns): Convert from commented-out peephole patterns.
9620 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9622 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9623 to BUILT_IN_INIT_DWARF_REG_SIZES.
9624 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9625 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9626 expand_builtin_init_dwarf_reg_sizes.
9627 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9628 with __builtin_init_dwarf_reg_size_table.
9629 * dwarf2out.c (struct reg_size_range): Delete.
9630 (expand_builtin_init_dwarf_reg_sizes): New function.
9631 (expand_builtin_dwarf_reg_size): Delete.
9632 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9633 (expand_builtin_dwarf_reg_size): Don't declare.
9634 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9635 (dwarf_reg_size_table): New.
9636 (init_reg_size_table): New function.
9637 (copy_reg): Use dwarf_reg_size_table.
9638 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9641 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9643 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9644 Correctly build argument list to constructor and destructor functions.
9646 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9648 * c-tree.h (warn_float_equal): Declare.
9649 * c-decl.c (warn_float_equal): Define.
9650 (c_decode_option): Recognize -W[no-]float-equal.
9651 * c-typeck.c (build_binary_op): Conditionally warn
9652 about equality tests of floating point types.
9653 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9654 * invoke.texi: Add docs for -Wfloat-equal warning.
9656 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9658 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9659 generating RTL directly.
9660 * mips.h (INIT_TARGET_OPTABS): Likewise.
9661 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9663 * expr.h (init_mov_optab): Delete declaration
9665 * h8300.c (WORD_REG_USED): Update to avoid useless register
9666 saves in interrupt functions and functions which never return.
9668 * cse.c (struct set): Delete inner_dest_loc field.
9669 (cse_insn): Remove assignments to inner_dest_loc field.
9671 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9673 * ggc-page.c: Don't include <unistd.h> etc taken care of
9674 by "system.h". Include <sys/mman.h> afterward.
9676 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9678 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9681 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9683 * xcoffout.c (xcoffout_declare_function): Add documentation.
9684 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9685 TARGET_64BIT. Compare constant to -1, not bit pattern.
9686 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9687 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9690 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9692 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9694 (gen_inlined_enumeration_type_die): Do not abort if the type has
9695 not been writeen out.
9696 (gen_inlined_structure_type_die): Do not abort if the type has
9697 not been writeen out.
9698 (gen_inlined_union_type_die): Do not abort if the type has
9699 not been writeen out.
9700 (gen_tagged_type_instantiation_die): Do not abort if the type
9701 has not been written out.
9703 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9705 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9707 * reg-stack.c (straighten_stack): Copy hard reg set with
9710 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9712 * builtins.c (stabilize_va_list): Stabilize array type va_list
9713 to a pointer type, not the base record type.
9714 (expand_builtin_va_copy): Dereference the pointers explicitly;
9715 use the correct size for the copy.
9717 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9718 (rs6000_va_arg): Likewise.
9720 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9722 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9724 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9726 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9728 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9730 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9732 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9733 (init_ggc): Use it instead of a constant.
9734 (ggc_collect): Bound allocated_last_gc by it.
9736 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9738 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9741 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9743 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9744 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9746 * config/mips/openbsd.h: New, OpenBSD little endian target.
9747 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9748 * config/mips/xm-openbsd.h: New, OpenBSD host.
9750 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9752 * config/m68k/m68k.c (output_function_prologue,
9753 output_function_epilogue): Use
9754 current_function_uses_pic_offset_table instead of regs_ever_live
9755 to decide whether to save/restore pic register.
9756 (legitimize_pic_address): Don't modify regs_ever_live any more.
9758 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
9760 * function.h (struct function): Add x_dont_save_pending_sizes_p.
9761 * stor-layout.c (variable_size): Don't add sizes to the pending
9762 sizes list if x_dont_save_pending_sizes_p is set.
9764 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
9766 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
9767 for symbolic_operand().
9768 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
9770 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9772 * combine.c (gen_rtx_combine): Add missing call to va_end().
9774 * final.c (asm_fprintf): Likewise.
9776 * genattrtab.c (attr_rtx): Likewise.
9778 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
9780 * cse.c: Update comments.
9781 (cse_insn): When converting a conditional/computed jump into
9782 an unconditional jump, always make sure a BARRIER immediately
9783 follows the converted jump. Do not delete unreachable code.
9784 (cse_basic_block): Do not delete unreachable code.
9785 * toplev.c (rest_of_compilation): Move call to
9786 delete_trivially_dead_insns after the conditional call to
9789 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9791 * collect2.c (make_temp_file): Don't prototype.
9793 * gcc.c (make_temp_file): Likewise.
9795 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
9797 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
9799 * varasm.c (asm_emit_uninitialised): New function: Generate
9800 the assembler statements necessary to declare an uninitialised
9802 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
9804 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
9805 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
9807 (assemble_variable): Use asm_emit_uninitialised to emit an
9808 uninitialised variable.
9810 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
9812 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
9813 constant on a 64 bit host. Patch supplied by Geoffrey Keating
9814 <geoffk@cygnus.com>.
9816 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9818 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
9819 * c-common.h (builtin_function): Don't declare.
9821 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
9823 (pushdecl): Likewise.
9824 (finish_decl): Likewise.
9825 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
9826 int. All callers changed.
9827 Set the builtin's DECL_BUILT_IN_CLASS.
9828 * tree.h (enum built_in_class): New.
9829 (enum built_in_function): Delete NOT_BUILT_IN.
9830 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
9832 (DECL_SET_FUNCTION_CODE): Likewise.
9833 (DECL_BUILT_IN_CLASS): New macro.
9834 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
9835 (struct tree_decl): Split builtin function code field into a
9837 (builtin_function): Declare.
9839 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
9841 * optabs.c (init_traps): Fix typo in last change.
9843 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
9845 * toplev.c (rest_of_decl_compilation): Update comment.
9847 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9849 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
9850 in .sbss if appropriate.
9851 (EXTRA_SECTION_FUNCTIONS): Add sbss.
9852 (SBSS_SECTION_ASM_OP): New macro.
9853 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
9854 (EXTRA_SECTIONS): Add in_sbss.
9855 * config/mips/mips.h: Prototype sbss_section.
9857 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
9859 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
9862 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
9864 * optabs.c (init_traps): Register trap_rtx as a GC root.
9866 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9868 * config/mips/mips.c (function_arg_pass_by_reference): Define
9869 unconditionally, since it's called unconditionally.
9871 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
9873 * toplev.c (documented_lang_options): Add -fshort-wchar.
9874 * c-decl.c (c_decode_option): Likewise.
9875 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
9877 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
9878 * gcc.c (default_compilers): If -fshort-wchar,
9879 override __WCHAR_TYPE__.
9880 * tm.texi (C Dialect Options): Add -fshort-wchar.
9882 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
9883 symbol for a variable.
9885 * cpplib.h (CPP_PREPROCESSED): New macro.
9886 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
9887 we're seeing this input for a second time.
9889 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
9891 * emit-rtl.c (init_emit_once): Initialize modes first.
9893 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
9895 * config/i386/i386.c (pic_label_name): Change to char pointer.
9896 (global_offset_table): New variable.
9897 (load_pic_register): Fill global_offset_table if it hasn't
9898 already been done. Allocate pic_label_name dynamically.
9899 * ggc.h (empty_string): New variable.
9900 * ggc-simple.c (empty_string): Likewise.
9901 (init_ggc): Allocate empty_string and add as root.
9902 * stmt.c (digit_strings): New variable.
9903 (init_stmt): Add last_block_end_note as root. Allocate and
9904 initialize digit_strings.
9905 (expand_asm_operands): Use empty_string instead of string
9906 constant. Use digit_strings instead of string constants.
9907 * profile.c (init_arc_profiler): Allocate string with
9908 ggc_alloc_string instead of xmalloc.
9909 (output_func_start_profiler): Likewise.
9910 * c-typeck.c (digest_init): Check if init is error_mark_node.
9912 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
9913 Richard Henderson <rth@cygnus.com>
9915 * ggc-page.c: New file.
9916 * Makefile.in (ggc-page.o): New.
9918 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
9920 * invoke.texi: Document -fdelete-null-pointer-checks
9921 * toplev.c (flag_delete_null_pointer_checks): New.
9922 (f_options): Add entry for -fdelete-null-pointer-checks.
9923 (rest_of_compilation): Conditionalize null pointer check
9924 elimination on flag_delete_null_pointer_checks.
9925 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
9927 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
9929 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
9930 copyright notice and special exception to GPL.
9932 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9934 * abi64.h (mips_function_value): Add prototype arguments.
9936 * mips-protos.h: New file with mips prototypes.
9938 * mips.c: Include "tm_p.h".
9939 (mktemp, lookup_name): Add prototype arguments.
9940 (extern_list, string_constant, mips_fill_delay_slot,
9941 mips_output_external, mips_output_external_libcall,
9942 mips_output_filename, mips_declare_object, function_prologue,
9943 mips_expand_prologue, function_epilogue, mips16_constant,
9944 build_mips16_function_stub, mips_output_conditional_branch):
9946 (mips_va_start): Remove unused variable `u'.
9947 (mips_va_arg): Cast value to unsigned when comparing against one.
9949 (save_restore_insns, mips_expand_prologue): Add missing arg in
9950 call to `large_int'.
9952 * mips.h: Move prototypes to mips-protos.h.
9953 (data_section, memory_address_p, rdata_section,
9954 readonly_data_section, simple_epilogue_p, text_section): Delete
9955 prototypes delcared elsewhere.
9956 (mips_epilogue_delay_slots, print_options): Delete unused decls.
9958 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
9960 * mips.md: Delete extra args in call to `mips_move_2words'.
9962 * xm-iris6.h (alloca): Add prototype argument.
9964 * genpeep.c: Include "tm_p.h" in generated output file.
9966 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9968 * basic-block.h (find_edge_index): Change parameters.
9969 * flow.c (verify_edge_list): Pass basic_block parameters to
9970 find_edge_index instead of integers.
9972 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
9974 * combine.c (simplify_comparison): Use an unsigned shift to adjust
9977 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
9979 * gcc.1: Fix a formatting error.
9981 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9983 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
9984 i786, mn10200, mn10300, pdp11, v850.
9986 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
9988 * libgcc2.c (num_digits): Add prototype with
9989 __attribute__((const)).
9990 (__terminate): Add prototype.
9992 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
9994 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
9996 * alpha/alpha.c (print_operand): Fix type of `code'.
9997 (alpha_output_filename): Constify.
9998 * alpha/alpha.h: Move all function declarations ...
9999 * alpha/alpha-protos.h: ... here. New file.
10000 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10001 (SECTION_FUNCTION_TEMPLATE): Likewise.
10003 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10005 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10006 * expr.c (expand_expr): Likewise.
10007 (do_jump): Likewise.
10008 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10009 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10011 (enum can_compare_purpose): New.
10012 (can_compare_p): Adjust prototype.
10013 (prepare_cmp_insn, prepare_operand): Declare.
10014 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10015 * optabs.c (cmp_available_p): Deleted.
10016 (expand_abs): Pass ccp_jump to can_compare_p.
10017 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10018 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10019 Call can_compare_p rather than cmp_available_p.
10020 (prepare_operand): No longer static.
10021 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10022 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10023 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10024 sequence to use emit_cmp_and_jump_insns.
10025 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10027 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10029 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10030 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10031 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10032 (plus (reg) (const_int 0))
10033 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10035 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10037 * rs6000.c (expand_block_move): DImode loads and stores require
10038 word-aligned displacements. Increment address registers with
10039 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10041 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10043 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10044 is no name for the base type, rather than segfault. If we are
10045 writing out a complex integer type, use DW_ATE_lo_user.
10047 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10048 in one word or less (complex char, complex short, or on 64 bit
10049 systems complex float) to/from a hard register, copy it through
10050 memory instead of dying in gen_{real,imag}part. If we have a
10051 short complex type, prevent inlining since it allocates stack
10054 * tree.c (build_complex_type): If we are writing dwarf2 output,
10055 generate a name for complex integer types.
10057 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10059 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10060 * flow.c (remove_edge): Remove extra whitespace.
10061 (remove_fake_edges): Fix comment.
10062 (add_noreturn_fake_exit_edges): Use the correct name.
10064 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10066 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10067 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10068 (clean): Depend on INTL_CLEAN.
10069 (maintainer-clean): Adjust.
10071 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10073 * configure.in (AC_PREREQ): Bump to 2.13.
10074 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10076 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10078 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10080 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10082 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10083 (HAVE_STRINGIZE): Define.
10085 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10087 * c-parse.in: save and restore warn_pointer_arith on __extension__
10088 along with pedantic.
10089 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10090 Set the type of extension to itype rather than $<itype>1 kludge.
10091 * extend.texi (Alternate Keywords): Adjust documentation.
10092 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10094 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10096 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10097 most assembler templates.
10099 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10100 FP loads and stores.
10101 (following_call): Always return zero for the PA8000.
10102 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10103 FP loads and stores.
10104 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10106 * pa.h (BRANCH_COST): Define.
10108 * pa.md (return, return_internal): Use bve for PA2.0.
10110 * pa.md (fused multiply): Add variants which reduce height for the
10111 fused multiply, but which still generate 2 insns.
10112 (fnegabs): Similarly.
10114 * pa.md (subsi3): Turn into an expander. Create two anonymous
10115 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10116 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10118 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10120 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10122 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10123 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10125 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10128 * flow.c (record_active_eh_regions): Terminate loop after finding
10129 the last insn in the last basic block.
10131 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10133 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10135 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10137 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10139 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10141 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10142 splitting to not use output template.
10144 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10146 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10147 * config/c4x/c4x.c (c4x_va_start): New function.
10149 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10151 * genrecog.c (not_both_true): Handle correctly cases when called for
10152 tests with different positions in the insn.
10154 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10156 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10158 * system.h (HOST_PTR_PRINTF): ... to here.
10160 * mips-tfile.c: Don't include machmode.h.
10162 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10163 (mips-tfile.o): Don't depend on machmode.h.
10165 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10167 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10168 avoid conflicts with typedef struct `region' at the top level scope.
10170 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10172 * basic-block.h (basic_block): Add eh_beg, eh_end.
10173 * flow.c (entry_exit_blocks): Update.
10174 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10175 Call new functions.
10176 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10177 lists.c functions to allocate insn lists.
10178 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10180 (make_eh_edge): ... here. New.
10181 (move_stray_eh_region_notes): New.
10182 (record_active_eh_regions): New.
10183 (delete_unreachable_blocks): Split out block merging ...
10184 (try_merge_blocks): ... here. New.
10185 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10186 Dump debugging data.
10187 (merge_blocks_move_successor_nojumps): Likewise.
10188 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10190 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10192 * extend.texi (Bound member functions): Document unbound pmf
10195 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10197 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10198 has the EXIT_BLOCK as a dest.
10200 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10202 * flow.c (remove_edge): New function to remove an edge from the
10204 (remove_fake_successors): New function to remove fake successor edges.
10205 (remove_fake_edges): New function to remove all fake edges from the
10207 (add_fake_exit_edges): New function to add fake edges from all blocks
10208 with no successors to the exit block.
10209 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10210 prototypes for new functions.
10212 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10214 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10215 Use Pmode to determine whether to output .dword or .word.
10217 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10219 * tree.c (built_in_filename): New variable.
10220 (BUILT_IN_FILENAME): New macro.
10221 (init_tree_codes): Allocate built_in_filename.
10222 (make_node): Use built_in_filename instead of string constant.
10224 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10226 * configure.in: Add fr30 target.
10227 * configure: Regenerate.
10228 * config/fr30: New directory.
10229 * config/fr30/crti.asm: New file.
10230 * config/fr30/fr30.c: New file.
10231 * config/fr30/crtn.asm: New file.
10232 * config/fr30/fr30.h: New file.
10233 * config/fr30/fr30.md: New file.
10234 * config/fr30/lib1funcs.asm: New file.
10235 * config/fr30/t-fr30: New file.
10236 * config/fr30/xm-fr30.h: New file.
10238 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10240 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10241 BARRIER at the end of the successor, not the BARRIER before
10244 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10246 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10248 * stmt.c (any_pending_cleanups): Don't crash when
10249 current_function->stmt is unset.
10251 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10253 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10254 other initializations that may use it for relative offsets.
10256 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10258 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10259 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10260 * config/i386/sol2dbg.h: Removed.
10261 * config/i386/sol2gas.h: New file, to enable gas work-around.
10262 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10263 Don't use sol2dbg.h.
10264 * configure: Rebuilt.
10266 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10268 * invoke.texi (-fthis-is-variable): Remove documentation.
10270 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10272 * basic-block.h (compute_bb_for_insn): Declare.
10273 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10274 to use; set size of basic_block_for_insn directly.
10275 (find_basic_blocks): Update.
10277 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10279 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10281 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10283 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10284 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10286 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10288 * c-decl.c (c_decode_option): Extend comment.
10290 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10292 * toplev.c (progname): Make 'const char *'
10293 (flag_print_mem): Move out of main.
10294 (version_flag): Move out of main.
10295 (filename): Move out of main.
10296 (debug_args): Remove g prefix from options.
10297 (documented_lang_options): Remove cpplib specific options.
10298 (display_help): Add g prefix to debug options.
10299 (check_lang_option): Delete this function.
10300 (decode_d_option): New function: Decode -d... option.
10301 (decode_f_option): New function: Decode -f... option.
10302 (decode_W_option): New function: Decode -W... option.
10303 (decode_g_option): New function: Decode -g... option.
10304 (independent_decode_option): New function: Decode a language
10305 independent command line option.
10306 (main): Invoke lang_decode_option and then
10307 independent_decode_option on each command line option in
10310 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10312 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10313 * fold-const.c (fold_range_test): Do not try to fold the range
10314 test if the rhs or lhs has side effects.
10316 * basic-block.h (compute_flow_dominators): Declare.
10318 * gcse.c (alloc_code_hoist_mem): New function.
10319 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10320 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10321 (hoist_code, one_code_hoisting_pass): Likewise.
10322 (gcse_main): If optimizing for size, then hoist expressions
10323 computed in multiple dominated basic blocks.
10325 * gcse.c (invalid_nonnull_info): New function.
10326 (delete_null_pointer_checks): Likewise.
10327 * rtl.h (delete_null_pointer_checks): Declare.
10328 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10330 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10331 (merge-blocks_move_successor_nojumps): Likewise.
10332 (merge_blocks): Allow merging of some blocks, even if it requires
10333 physical movement of the blocks, but not if it requires new jumps.
10335 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10336 Callers and prototype changed.
10337 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10339 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10341 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10342 -YP when both -p and -pg are present. From i386/sol2.h.
10344 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10346 * Makefile.in (distclean): Delete tm_p.h.
10347 * configure.in: Create a new file, "tm_p.h", from a list in
10348 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10349 "i386/i386-protos.h".
10351 * alias.c: Include "tm_p.h".
10352 * c-typeck.c: Likewise.
10353 * calls.c: Likewise.
10355 * emit-rtl.c: Likewise.
10356 * explow.c: Likewise.
10357 * expmed.c: Likewise.
10358 * expr.c: Likewise.
10359 * final.c: Likewise.
10360 * flow.c: Likewise.
10361 * fold-const.c: Likewise.
10362 * function.c: Likewise.
10363 * gcse.c: Likewise.
10364 * global.c: Likewise.
10365 * haifa-sched.c: Likewise.
10366 * integrate.c: Likewise.
10367 * jump.c: Likewise.
10368 * local-alloc.c: Likewise.
10369 * loop.c: Likewise.
10370 * optabs.c: Likewise.
10371 * recog.c: Likewise.
10372 * reg-stack.c: Likewise.
10373 * regclass.c: Likewise.
10374 * regmove.c: Likewise.
10375 * reload.c: Likewise.
10376 * reload1.c: Likewise.
10377 * reorg.c: Likewise.
10378 * resource.c: Likewise.
10379 * stmt.c: Likewise.
10380 * stor-layout.c: Likewise.
10381 * toplev.c: Likewise.
10382 * tree.c: Likewise.
10383 * unroll.c: Likewise.
10384 * genattrtab.c (main): Make generated file include "tm_p.h".
10385 * genemit.c (main): Likewise.
10386 * genoutput.c (main): Likewise.
10387 * genrecog.c (main): Likewise.
10389 * i386.h: Delete all prototypes.
10390 * i386.c: Include "tm_p.h".
10391 (ix86_attr_length_default): Call constant_call_address_operand
10392 with correct number of arguments.
10393 * i386-protos.h: New file.
10394 * i386.md (unnamed patterns): Call constant_call_address_operand
10395 with correct number of arguments.
10396 (exception_receiver): Call load_pic_register with correct number
10399 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10401 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10403 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10405 * rtl.h (insns_safe_to_move_p): New function.
10406 * loop.c (find_and_verify_loops): Use it.
10407 * rtlanal.c (insns_safe_to_move_p): Define it.
10409 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10411 * c-pragma.c: Include ggc.h.
10412 * Makefile.in (c-pragma.o): Update.
10414 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10416 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10417 (LIB_SPEC): Likewise.
10418 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10419 Reindent -YP/-p/-pg.
10420 Copied from config/sparc/sol2.h.
10422 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10424 * c-pragma.c (mark_align_stack): New.
10425 (init_pragma): New.
10426 * c-pragma.h (init_pragma): Declare it.
10427 * c-lex.c (init_parse): Call it.
10429 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10431 * configure.in: Pick up thread library on Solaris/x86 just
10432 like on Solaris/sparc.
10433 * configure: Rebuilt.
10435 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10437 * rtl.h (global_rtx_index): New enum.
10438 (global_rtl): Change to array of rtx.
10439 (pc_rtx, cc0_rtx): Redefine accordingly.
10440 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10441 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10442 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10443 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10444 (const_int_rtx): Change to array of rtx.
10445 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10447 * emit-rtl.c (global_rtl): Change to array of rtx.
10448 (const_int_rtx): Change to aray of rtx.
10449 (gen_rtx_CONST_INT): Redefine accordingly.
10450 (init_emit_once): Allocate and initialize global_rtl. Likewise
10451 for const_int_rtx. Add both as GC roots.
10452 * genattrtab.c (global_rtl): Update declaration.
10454 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10456 * Makefile (USER_H): Add iso646.h back.
10458 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10460 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10461 zapping the LOG_LINKS of sched_before_next_call.
10463 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10464 * pa.c (insn_refs_are_delayed): Renamed from
10465 insn_sets_and_refs_are_delayed.
10467 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10469 * functiion.h (struct function): Add x_whole_function_mode_p.
10470 (retrofit_block): Declare.
10471 * function.c (retrofit_block): New function.
10472 (identify_blocks): Add assertions. Allow an incomplete set of
10473 block notes if we're still generating code for the function.
10474 * integrate.c: Include loop.h.
10475 (expand_inline_function): Call find_loop_tree_blocks to map block
10476 notes to blocks when in whole-function mode. Use retrofit_block
10477 to insert new BLOCKs for the inlined function, rather than
10479 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10480 * Makefile.in (integrate.o): Depend on loop.h.
10482 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10484 * tree.h (warn_about_unused_variables): Declare.
10485 * stmt.c (warn_about_unused_variables): New function, split out
10487 (expand_end_bindings): Here.
10489 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10491 * stmt.c (preserve_subexpressions_p): Don't crash when
10492 current_function->stmt is unset.
10494 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10496 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10497 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10498 (expand_start_target_temps): Use it.
10499 * except.c (expand_eh_region_start_for_decl): Likewise.
10500 * expr.c (expand_expr): Likewise.
10502 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10504 * fold-const.c (operand_equal_p): Pay attention to side effects.
10506 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10508 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10509 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10511 * tlink.c (scan_linker_output): Look for keywords before accepting
10512 a mangled name in quotes.
10514 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10516 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10517 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10519 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10521 * alpha.md: Revert Thu Nov 26 change that came in through the
10522 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10523 Avoid earlyclobber when possible.
10525 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10527 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10529 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10530 Define HAVE_ON_EXIT.
10532 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10534 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10535 CTYPE_CONV in all ctype macros.
10537 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10540 * cexp.y (initialize_random_junk): Likewise.
10542 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10544 * i370.c (handle_pragma): Likewise.
10546 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10548 * v850.c (override_options): Likewise.
10550 * doprint.c (_doprnt): Likewise.
10552 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10555 * fixinc/server.c (load_data): Likewise.
10557 * fold-const.c (real_hex_to_f): Likewise.
10559 * genattr.c (write_upcase, gen_attr): Likewise.
10561 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10562 write_upcase): Likewise.
10564 * genemit.c (print_code): Likewise.
10566 * genopinit.c (gen_insn): Likewise.
10568 * genpeep.c (print_code): Likewise.
10570 * genrecog.c (print_code): Likewise.
10572 * optabs.c (init_libfuncs): Likewise.
10574 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10576 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10578 (reemit_notes): Likewise.
10580 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10582 * ggc.h (ggc_root): Move to ggc-common.c.
10584 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10585 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10586 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10587 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10588 * ggc-common.c (ggc_root): Move from ggc.h.
10589 (roots): Declare, static.
10590 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10591 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10592 null or check/set mark bit.
10593 (ggc_mark_roots): New.
10594 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10596 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10598 * m32r.c: Include toplev.h.
10599 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10600 (gen_compare): Rename swap_p to must_swap to match uses.
10601 Add default abort case.
10602 (m32r_output_function_epilogue): Remove unused variables.
10603 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10604 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10605 define to empty parameter list. Update all uses.
10606 (predicate decls): Use enum machine_mode not int.
10607 * m32r.md (movsi): Call abort, not fatal_insn.
10608 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10610 1999-09-14 Andrew Haley <aph@cygnus.com>
10612 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10613 use $0 instead of 0.
10615 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10617 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10618 computation out of loop over hard regs.
10620 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10622 * function.c (identify_blocks): Don't shadow a variable in an
10624 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10625 pushdecl, or poplevel to build up the new BLOCK tree.
10626 (expand_inline_function): Likewise.
10627 (integrate_parm_decls): Likewise.
10629 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10631 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10633 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10635 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10636 * invoke.texi: Document this change.
10638 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10640 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10642 (mark_emit_status): Renamed from mark_emit_state.
10643 * except.c (mark_eh_status): Renamed from mark_eh_state.
10644 Check not null before marking.
10645 (free_eh_status): New.
10646 * expr.c (mark_expr_status, free_expr_status): New.
10647 * function.c (free_machine_status): New.
10648 (free_after_parsing): New.
10649 (free_after_compilation): Move bits to free_after_parsing; call
10650 free_eh_status, free_expr_status; zero the marked members of the
10652 (prepare_function_start): No can_garbage_collect.
10653 Call init_eh_for_function.
10654 (expand_dummy_function_end): Free up current_function state.
10655 (mark_function_status): Renamed from mark_function_state.
10656 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10657 * function.h (struct function): No can_garbage_collect.
10658 (free_machine_status, free_after_parsing): Declare.
10659 (free_eh_status, free_expr_status): Declare.
10660 * ggc.h (mark_expr_status): Declare.
10661 * stmt.c (free_stmt_status): Free the struct.
10662 (mark_stmt_status): Renamed from mark_stmt_state.
10663 (init_stmt): Don't call init_eh.
10664 (init_stmt_for_function): Don't call init_eh_for_function.
10665 * toplev.c (compile_file): Call init_eh.
10666 (rest_of_compilation): Free basic block info before ggc_collect.
10667 Call free_after_parsing; conditionally call free_after_compilation.
10668 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10669 Check not null before marking.
10670 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10672 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10674 * c-lex.c (yylex): Initialize warn.
10676 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10678 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10679 register when performing secondary reloads for the SAR register.
10681 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10683 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10684 (NOTE_BLOCK): New macro.
10685 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10686 * function.h (identify_blocks): Change prototype.
10687 * function.c (identify_blocks): Simplify.
10688 (reorder_blocks): Likewise.
10689 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10690 NOTE_INSN_BLOCK_{BEG,END}.
10691 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10692 the list of saved notes if the note isn't a
10693 NOTE_INSN_BLOCK_{BEG,END}.
10694 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10696 (reemit_notes): Adjust recreation of notes to reflect new saved
10698 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10699 printing a block note.
10700 * stmt.c (block_vector): Remove.
10701 (find_loop_tree_blocks): Simplify.
10702 (unroll_block_trees): Likewise.
10703 * tree.h (reorder_block): Change prototype.
10705 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10707 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10708 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10709 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10710 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10711 (atexit, exit): Simplify.
10712 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10713 * config/lots: Remove defns of HAVE_ATEXIT.
10715 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10717 * calls.c (precompute_arguments): Fix typo in comment.
10718 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10721 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10723 * dsp16xx.c (override_options): Fix typos in GC root registration.
10725 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10727 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10728 from config/svr4.h.
10729 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10730 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10731 (CC1_SPEC): Likewise.
10733 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10735 * genattr.c (main): Add extern prototype. Call return, not exit.
10736 * genattrtab.c (main): Likewise.
10737 * gencheck.c (main): Likewise.
10738 * gencodes.c (main): Likewise.
10739 * genconfig.c (main): Likewise.
10740 * genemit.c (main): Likewise.
10741 * genextract.c (main): Likewise.
10742 * genflags.c (main): Likewise.
10743 * gengenrtl.c (main): Likewise.
10744 * genopinit.c (main): Likewise.
10745 * genoutput.c (main): Likewise.
10746 * genpeep.c (main): Likewise.
10747 * genrecog.c (main): Likewise.
10749 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10750 * genattrtab.c (get_insn_name): Likewise.
10751 * gencodes.c (get_insn_name): Likewise.
10752 * genconfig.c (get_insn_name): Likewise.
10753 * genemit.c (get_insn_name): Likewise.
10754 * genextract.c (get_insn_name): Likewise.
10755 * genflags.c (get_insn_name): Likewise.
10756 * genopinit.c (get_insn_name): Likewise.
10757 * genpeep.c (get_insn_name): Likewise.
10759 * gencheck.c (usage): Add static prototype.
10760 * genextract.c (print_path): Constify a char*.
10761 * genopinit.c (optabs): Likewise.
10762 * genoutput.c (operand_data, data, output_predicate_decls,
10763 compare_operands): Likewise.
10764 * genrecog.c (write_tree): Add default case in switch.
10766 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10768 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
10770 * print-rtl.c (get_insn_name): Remove prototype.
10772 * toplev.h (progname): Declare const.
10774 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
10775 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
10776 dump_sched_info, dump_local_alloc, regset_release_memory,
10777 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
10778 error_with_file_and_line, error_with_decl, error_for_asm, error,
10779 fatal, warning_with_file_and_line, warning_with_decl, warning,
10780 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
10781 Remove redundant prototypes.
10783 (notice, check_lang_option, report_file_and_line, vnotice,
10784 mark_file_stack): Add static prototype.
10785 (set_fatal_function): Add prototype.
10786 (vnotice, report_file_and_line, set_fatal_function,
10787 check_lang_option): Constify a char*.
10788 (main): Prototype. Call return, not exit.
10790 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10792 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
10794 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
10796 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
10798 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
10800 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10802 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
10803 behave as if it's zero in all cases.
10804 (expand_function_start): Adjust call to assign_parms.
10805 * tree.h (assign_parms): Adjust prototype.
10806 * objc/objc-act.c (hack_method_prototype): Adjust call to
10809 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
10811 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
10812 arg_pointer_rtx fixed if the argument pointer register is
10814 (NONZERO_BASE_PLUS_P): Likewise.
10816 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
10818 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
10819 match_insn2 to match_insn.
10820 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
10822 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
10824 * Makefile.in (USER_H): Remove va-foo.h.
10826 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
10827 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
10828 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
10829 va-spur.h,va-v850.h}: Remove.
10831 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
10833 * sparc/sparc.md (eligible_for_return_delay): New attribute.
10834 (in_return_delay): Use it instead of match_insn.
10836 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10838 * config/alpha/va_list.h (va-alpha.h): Do not include.
10839 (__gnuc_va_list): Typedef as in varargs.h.
10841 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
10843 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
10844 DECL_LIVE_RANGE_RTL.
10846 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
10848 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
10849 not NOTE_BLOCK_NUMBER.
10850 (expand_eh_region_end): Likewise.
10851 (find_exception_handler_labels): Likewise.
10852 (scan_region): Likewise.
10853 (exception_optimize): Likewise.
10854 (update_rethrow_references): Likewise.
10855 (set_insn_eh_region): Likewise.
10856 * final.c (final_scan_insn): Likewise.
10857 * flow.c (make_edges): Likewise.
10858 * integrate.c (expand_inline_function): Likewise.
10859 * print-rtl.c (print_rtx): Likewise.
10861 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
10863 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
10864 terms of builtin functions and types.
10866 * mips.c (mips_build_va_list): New.
10867 (mips_va_start, mips_va_arg): New.
10868 * mips.h (BUILD_VA_LIST_TYPE): New.
10869 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10871 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
10872 (sh_build_va_list, sh_va_start, sh_va_arg): New.
10873 * sh.h (BUILD_VA_LIST_TYPE): New.
10874 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10876 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
10878 * recog.h (struct recog_data): Make dup_num, operand_address_p,
10879 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
10880 (struct insn_data): Likewise with n_operands, n_dups,
10881 n_alternatives, output_format.
10882 * regclass.c (scan_one_insn): Cast n_operands to int before
10883 arithmetic inside comparison.
10885 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
10887 * toplev.c (compile_function): Unconditionally emit nop.
10889 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10891 * haifa-sched.c (actual_hazard): Move declaration of variable
10892 `this_cost' into the scope where it is used.
10894 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10896 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
10897 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
10898 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
10900 * genrecog.c (make_insn_sequence): Call memset, not bzero.
10902 * jump.c (find_insert_position): Don't declare or define unless
10903 !HAVE_conditional_arithmetic.
10904 (returnjump_p_1, delete_prior_computation): Add static prototypes.
10906 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
10908 * recog.c (offsettable_address_p): Prototype function pointer.
10909 (preprocess_constraints): Call memset, not bzero.
10911 * tree.c (tree_node_kind_names): Constify a char*. Make static.
10912 (gcc_obstack_init): Don't declare.
10913 (fix_sizetype): Add static prototype.
10914 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
10915 (tree_cons): Call memset, not bzero.
10917 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
10918 definition in macro ASM_WEAKEN_LABEL.
10919 (mark_const_hash_entry): Add static prototype.
10921 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10923 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
10925 * unroll.c (find_common_reg_term, subtract_reg_term,
10926 loop_find_equiv_value): Add static prototypes.
10927 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
10928 (copy_loop_body): Remove unreachable break statement.
10930 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
10932 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
10934 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10936 Undo some changes from the gcc2 merge:
10937 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
10938 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
10942 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
10943 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10944 initialized float-int union if the value is a NaN.
10946 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
10948 * gthr-win32.h: New file.
10950 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
10951 shared as a valid attribute.
10952 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
10953 * extend.texi: Document `shared' variable attribute.
10955 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
10957 * configure.in: Handle --enable-threads on FreeBSD.
10958 * configure: Rebuit.
10960 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10962 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
10964 * configure: Rebuilt.
10966 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
10967 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
10968 Rosimildo DaSilva <rdasilva@connecttel.com>
10970 * configure.in (m68k-*-rtemscoff*): Added.
10971 * configure.in (mips64orion-*-rtems*): Converted to ELF.
10972 * configure.in (sparc-*-rtemsaout*): Added as alias for old
10973 sparc-rtems configuration.
10974 * configure.in (sparc-*-rtemself*): Added.
10975 * configure.in (sparc-*-rtems*): Now ELF not a.out.
10976 * config/i386/rtems.h: Added comment.
10977 * config/sparc/rtemself.h: New file.
10979 * configure.in (m68k-rtemself): Added.
10980 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
10981 and DWARF_DEBUGGING_INFO.
10982 * config/m68k/crti.s: New file.
10983 * config/m68k/crtn.s: New file.
10984 * config/m68k/t-crtstuff: New file.
10985 * config/m68k/rtemself.h: New file.
10987 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
10988 global ctor/dtor and C++ exception handling.
10989 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
10990 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
10992 * config/i386/t-rtems-i386: New File.
10994 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
10996 * stmt.c (expand_end_case): Return right away if the case stack is
10999 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11001 * Makefile.in (version.c): Remove rule incorrectly brought in from
11004 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11006 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11007 * msdos/top.sed: Take into account a prepended $(SHELL) to
11009 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11011 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11013 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11015 * regmove.c (fixup_match_1): Don't change an unchanging register.
11016 (stable_but_for_p): Renamed to:
11017 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11018 Changed all callers.
11020 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11022 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11023 insn from BL2 is after the insn from BL.
11025 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11027 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11028 (struct insn_data): Merge `template' and `outfun' into `output'.
11029 Add `output_format'.
11030 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11031 (struct data): Remove `outfun'; add `output_format'.
11032 (name_for_index): Remove declaration.
11033 (output_insn_data): Handle output formats.
11034 (process_template): Emit the bare array for @.
11035 (gen_expand, gen_split): Set output_format to NONE.
11036 * output.h (get_insn_template): Declare.
11037 * final.c (get_insn_template): New.
11038 (final_scan_insn): Use it.
11039 * toplev.c (compile_file): Likewise.
11041 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11042 * i860/i860.c (output_delayed_branch): Likewise.
11043 (output_delay_insn): Likewise.
11045 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11047 * rtl.c (obstack_alloc_rtx): Removed.
11049 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11051 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11053 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11055 * i386.c (call_insn_operand): Reject const_int.
11056 (expander_call_insn_operand): Use call_insn_operand.
11058 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11060 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11062 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11064 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11065 Use DImode operation.
11067 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11069 * gcc.c: Include sys/resource.h.
11070 (report_times): New flag.
11071 (execute): If report_times is set, calculate and report the
11072 CPU time consumed by each subprocess.
11074 (rus, prus): New globals.
11075 (option_map): Add --time.
11076 (display_help): Document -time.
11077 (process_command): Set report_times if -time is given.
11078 Turn off -pipe if -time is given.
11080 * invoke.texi: Document new option -time.
11082 * configure.in: Check for getrusage. Check if we have to
11083 prototype getrusage.
11084 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11085 * configure: Regenerate.
11086 * config.in: Regenerate.
11088 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11090 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11093 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11095 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11096 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11097 (nan): Return _thenan_sf or _thenan_df as appropriate.
11098 (L_thenan_sf): Define _thenan_sf.
11099 (L_thenan_df): Define _thenan_df.
11101 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11102 (DPBIT_FUNCS): Add _thenan_df.
11104 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11106 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11109 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11111 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11114 (lang_specific_driver): Don't take a function pointer parameter.
11115 All callers changed.
11117 * gcc.c: Include gcc.h.
11118 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11119 lang_specific_extra_outfiles, fatal): Don't declare.
11120 (multilib_defaults_raw): Constify.
11121 (read_specs): Call memset, rather than bzero.
11122 (main): Call return, not exit.
11123 (lookup_compiler): Call memcpy, not bcopy.
11124 (fatal): Make extern.
11126 * cppspec.c: Include gcc.h.
11127 (lang_specific_driver): Initialize variable `quote'. Constify a
11128 char*. All calls to the function pointer parameter now
11129 explicitly call `fatal'.
11131 * gccspec.c (lang_specific_driver): Include gcc.h.
11133 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11135 * arm.c (note_invalid_constants): Use recog_data.operand_type
11138 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11140 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11143 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11144 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11145 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11146 reload_secondary_in_reload, reload_secondary_out_reload,
11147 reload_secondary_in_icode, reload_secondary_out_icode,
11148 reload_reg_rtx, reload_when_needed): Delete declarations.
11149 (struct reload): New structure.
11150 (rld): Declare new array.
11151 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11152 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11153 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11154 reload_secondary_in_reload, reload_secondary_out_reload,
11155 reload_secondary_in_icode, reload_secondary_out_icode,
11156 reload_reg_rtx, reload_when_needed): Delete definitions.
11158 (whole file): Replace uses of the deleted arrays with uses of rld.
11159 * reload1.c (whole file): Replace uses of the deleted arrays with
11161 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11162 explicit loops, not with bcopy.
11164 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11166 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11167 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11168 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11169 insn_name): Delete and consolidate into new structures.
11170 (insn_operand_predicate_fn): New.
11171 (insn_output_fn): New.
11172 (insn_gen_fn): New.
11173 (struct insn_operand_data): New.
11174 (struct insn_data): New.
11176 (OUT_FCN): Update for insn_data change.
11177 * builtins.c (expand_builtin_strlen): Likewise.
11178 (expand_builtin_memcmp): Likewise.
11179 * combine.c (make_extraction, simplify_comparison): Likewise.
11180 * cse.c (canon_reg, cse_insn): Likewise.
11181 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11182 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11183 (emit_store_flag): Likewise.
11184 * expr.c (convert_move, emit_block_move): Likewise.
11185 (clear_storage, emit_push_insn, expand_increment): Likewise.
11186 (do_store_flag): Likewise.
11187 * expr.h (GEN_FCN): Likewise.
11188 (insn_gen_function): Die.
11189 * final.c (final_scan_insn): Update for insn_data change.
11190 (output_asm_name): Likewise.
11191 * function.c (fixup_var_refs_1): Likewise.
11192 * loop.c (check_dbra_loop): Likewise.
11193 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11194 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11195 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11196 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11197 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11198 * regmove.c (gen_add3_insn): Likewise.
11199 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11200 (find_reloads, find_reloads_address_1): Likewise.
11201 (debug_reload_to_stream): Likewise.
11202 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11203 * stmt.c (expand_end_case): Likewise.
11204 * toplev.c (compile_file): Likewise.
11206 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11207 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11209 * print-rtl.c (insn_name_ptr): Remove declaration.
11210 (get_insn_name): Declare.
11211 (print_rtx): Use it.
11212 * genoutput.c (insn_name_ptr): Remove.
11213 (next_operand_number): New.
11214 (struct operand_data): New.
11215 (null_operand, odata, odata_end): New.
11216 (struct data): Use struct operand_data.
11217 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11218 (get_insn_name): Renamed from name_for_index.
11219 (output_prologue): Define NO_MD_PROTOTYPES.
11220 (output_predicate_decls): Break out from output_epilogue.
11221 Iterate over the operands list.
11222 (output_operand_data): Break out from output_epilogue. Emit
11223 just the operands list.
11224 (output_insn_data): Break out from output_epilogue. Emit just
11226 (output_epilogue): Remove.
11227 (output_get_insn_name): New.
11228 (constraints, op_n_alternatives, predicates, address_p): Die.
11229 (modes, strict_low, seen): Die.
11230 (scan_operands): Take new param `d' instead of writing to
11231 seven global variables.
11232 (compare_operands): New.
11233 (place_operands): New.
11234 (validate_insn_alternatives): Update for struct data change.
11235 (gen_insn): Don't zero or copy 7 global arrays. Update for
11236 scan_operands; call place_operands.
11237 (gen_peephole, gen_expand, gen_split): Likewise.
11238 (main): Update for new output routines.
11240 * genattr.c (insn_name_ptr): Remove.
11241 (get_insn_name): New function.
11242 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11243 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11244 * genrecog.c: Likewise.
11246 * alpha.md (adddi3): Make `pattern' array static.
11248 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11250 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11251 c4x_cpu_version_string): Constify char *.
11252 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11253 c4x_cpu_version_string): Likewise.
11255 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11257 * tree.c (save_tree_status): Revert 10 Sep change.
11258 (restore_tree_status): Likewise. Call obstack_free with NULL
11259 before freeing the obstack proper.
11261 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11263 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11265 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11266 surrounding context.
11268 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11270 * tree.c (type_hash_canon): Put all types in the hash-table, when
11273 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11275 * recog.h (struct recog_data, recog_data): New.
11276 (recog_foo variables): Kill.
11277 * recog.c (recog_operand, recog_operand_loc): Kill.
11278 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11279 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11280 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11281 (recog_data): Define.
11282 (extract_insn): Update all recog_foo references to use recog_data.
11283 (preprocess_constraints, constrain_operands): Likewise.
11284 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11285 * genattrtab.c (main): Likewise.
11286 * genextract.c (main): Likewise.
11287 * genoutput.c: Likewise.
11288 * genrecog.c (write_subroutine, main): Likewise.
11289 * local-alloc.c (block_alloc): Likewise.
11290 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11291 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11292 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11293 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11294 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11295 (reload_cse_simplify_operands): Likewise.
11297 * arc/arc.c (arc_final_prescan_insn): Likewise.
11298 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11299 * h8300/h8300.c (notice_update_cc): Likewise.
11300 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11301 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11302 * mn10200/mn10200.c (notice_update_cc): Likewise.
11303 * mn10300/mn10300.c (notice_update_cc): Likewise.
11304 * romp/romp.c (update_cc): Likewise.
11305 * sparc/sparc.c (check_pic): Likewise.
11306 * v850/v850.c (notice_update_cc): Likewise.
11308 * genemit.c (main): Don't declare recog_operand.
11310 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11312 * ggc.h (rtvec_def): Forward declare.
11313 (tree_node): Likewise.
11314 (ggc_root): Define.
11316 (ggc_set_mark_rtx): Add prototype.
11317 (ggc_set_mark_rtvec): Likewise.
11318 (ggc_set_mark_tree): Likewise.
11319 * ggc-simple.c (ggc_root): Don't define.
11320 (roots): Don't declare.
11321 (ggc_mark_rtx): Remove.
11322 (ggc_mark_rtvec): Likewise.
11323 (ggc_mark_tree): Likewise.
11324 (ggc_mark_varray): Likewise.
11325 (ggc_mark_tree_hash_table_entry): Likewise.
11326 (ggc_mark_tree_hash_table): Likewise.
11327 (ggc_set_mart_rtx): New function.
11328 (ggc_set_mark_rtvec): Likewise.
11329 (ggc_set_mark_tree): Likewise.
11330 (ggc_add_root): Remove.
11331 (ggc_add_rtx_root): Likewise.
11332 (ggc_remove_tree_root): Likewise.
11333 (ggc_add_string_root): Likewise.
11334 (ggc_add_tree_varray_root): Likewise.
11335 (ggc_add_tree_hash_table_root): Likewise.
11336 (ggc_del_root): Likewise.
11337 (ggc_mark_rtx_ptr): Likewise.
11338 (ggc_mark_tree_ptr): Likewise.
11339 (ggc_mark_string_ptr): Likewise.
11340 (ggc_mark_tree_varray_ptr): Likewise.
11341 (ggc_mark_tree_hash_table_ptr): Likewise.
11342 * ggc-common.c: New file.
11343 * Makefile.in (OBJS): Add ggc-common.o.
11344 (ggc-common.o): List dependencies.
11346 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11348 * cppalloc.c (xstrdup): Use memcpy.
11349 * cpperror.c (cpp_print_containing_files): Don't use
11351 * cpplib.c (conditional_skip): Set temp->lineno.
11352 (do_endif): Make error message less obscure.
11353 (if_directive_name): New function.
11354 (cpp_get_token [case EOF]): Unwind the if stack and generate
11355 error messages for each unterminated conditional in this file.
11356 (parse_string): Do not behave differently if -traditional.
11358 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11360 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11361 va_list decomposing to pointer-type.
11362 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11363 (rs6000_va_arg): Likewise.
11365 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11367 * except.c (start_dynamic_handler): Compute size using
11368 STACK_SAVEAREA_MODE.
11370 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11372 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11373 include directory headers. Don't define strrchr. Don't provide
11374 my_* replacement functions. Prefer PTR over `pointer_type'.
11375 Don't prototype system functions. Don't redefine getopt.
11377 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11378 safe_read, safe_write, save_pointers, restore_pointers,
11379 is_id_char, in_system_include_dir, directory_specified_p,
11380 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11381 find_corresponding_lparen, referenced_file_is_newer,
11382 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11383 process_aux_info_file, identify_lineno, check_source,
11384 seek_to_line, forward_to_next_token_char, output_bytes,
11385 output_string, output_up_to, other_variable_style_function,
11386 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11387 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11388 find_static_definition, connect_defs_and_decs, add_local_decl,
11389 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11390 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11391 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11392 scan_for_missed_items, edit_file, string_list_cons): Add static
11394 (standard_exec_prefix, target_machine, target_version,
11395 default_syscalls_dir, string_list, string_list_cons, find_file,
11396 do_cleaning): Constify a char*.
11397 (safe_read, safe_write): Use PTR, not a char*.
11398 (is_id_char): Take an int, not a char.
11399 (main): Add prototype. Call return, not exit.
11401 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11403 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11404 when comparing types.
11406 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11408 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11409 (strength_reduce): Release the varrays from the no-bivs early exit.
11411 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11412 the loop over the registers.
11414 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11416 (restore_tree_status): Check that instead when freeing the obstack.
11418 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11420 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11423 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11425 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11426 operand size modifiers.
11428 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11430 * c-common.c (c_common_nodes_and_builtins): Don't build
11432 * c-common.h (enum c_tree_index and related accesor macros): Remove
11433 everything now declared in tree.h.
11434 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11435 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11436 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11437 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11438 unsigned_type_node, ptr_type_node, va_list_type_node,
11439 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11440 (init_decl_processing): Call build_common_tree_nodes and
11441 build_common_tree_nodes_2 instead of building their nodes here.
11442 Don't add roots for these nodes.
11443 * stor-layout.c (size_zero_node, size_one_node): Delete.
11444 (set_sizetype): Make a new node for bitsizetype each time.
11445 * tree.c (global_trees): New variable.
11446 (init_obstacks): Add a gc root for it.
11447 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11448 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11449 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11450 (build_common_tree_nodes): New function.
11451 (fix_sizetype): New function.
11452 (build_common_tree_nodes_2): New function.
11453 * tree.h (enum tree_index): New.
11454 (global_trees): Declare.
11455 Add accessor macros for all nodes now moved to global_trees.
11456 Delete their declarations.
11458 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11460 * c-decl.c (finish_function): When processing a nested function,
11461 push and pop GC context around rest_of_compilation.
11463 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11465 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11466 Default ix86_arch to PROCESSOR_I386.
11467 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11468 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11469 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11470 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11471 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11472 (EXTRA_SPECS): Remove deleted specs.
11474 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11476 * function.c (assign_stack_local_1): Allocate from
11477 function->x_frame_offset, not frame_offset.
11479 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11481 * ggc.h (lang_cleanup_tree): Remove.
11482 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11483 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11485 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11486 TYPE_LANG_SPECIFIC when garbage collecting.
11487 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11488 (lang_cleanup_tree): Remove.
11490 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11492 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11493 * crtstuff.c: Not here.
11494 * dwarf2out.c: Or here.
11495 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11498 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11500 * function.h (free_after_compilation): Remove decl parameter.
11501 (free_varasm_status0: Likewise.
11502 (free_emit_status): Likewise.
11503 (free_stmt_status): Likewise.
11504 (free_after_compilation): Likewise.
11505 (init_lang_status): New variable.
11506 (free_lang_status): Likewise.
11507 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11508 * function.c (init_lang_status): New variable.
11509 (free_lang_status): Likewise.
11510 (push_function_context_to): Don't set function::decl here.
11511 (free_after_copmilation): Make decl parameter implicit. Call
11512 free_lang_status if defined.
11513 (prepare_function_start): Call init_lang_status if defined.
11514 (init_function_start): Set function::decl here.
11515 * profile.c (output_func_start_profiler): Don't call pushdecl
11516 until we've actually started the function.
11517 * stmt.c (free_stmt_status): Make decl parameter implicit.
11518 * toplev.c (rest_of_compilation): Don't pass decl to
11519 free_after_compilation.
11520 * varasm.c (free_varasm_status): Likewise.
11522 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11524 * except.c (call_get_eh_context): Add root when allocating static
11527 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11529 * arm.c: Include "ggc.h".
11530 (arm_add_gc_roots): New function.
11531 (arm_override_options): Call it.
11532 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11534 * arm.md (define_asm_attributes): Add a pool_range attribute.
11536 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11538 * extend.texi (Volatiles): New node.
11540 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11542 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11543 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11544 (struct ggc_any): Replace `mark' with `magic_mark'.
11545 (ggc_alloc_string): Use memcpy, not bcopy.
11546 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11547 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11548 (ggc_free_any): New.
11549 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11550 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11551 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11552 Use IS_MARKED. Use ggc_free_any.
11554 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11556 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11558 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11560 * toplev.c (main): Always init_ggc.
11562 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11564 * except.c (find_all_handler_type_matches): Free the list if
11565 we found no matches.
11567 * combine.c (SUBST): Break out to a real function do_SUBST.
11568 (SUBST_INT): Likewise.
11569 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11570 (pre_insert): Free `inserted'.
11571 * loop.c (basic_induction_var): Always set `location'.
11573 * function.c (expand_function_end): Add initial_trampoline as a root.
11574 * rtl.h (init_varasm_once): Declare.
11575 * toplev.c (compile_file): Call it.
11576 * ggc-simple.c (ggc_mark_string_ptr): New.
11577 (ggc_add_string_root): New.
11578 (ggc_collect): Disable collection avoidance temporarily.
11579 * ggc.h (ggc_add_string_root): Declare.
11580 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11581 * optabs.c (init_libfuncs): Likewise.
11582 * varasm.c (named_section): Use ggc_alloc_string.
11583 (make_function_rtl): Likewise.
11584 (make_decl_rtl): Likewise.
11585 (assemble_static_space): Likewise.
11586 (assemble_trampoline_template): Likewise.
11587 (output_constant_def): Likewise.
11588 (force_const_mem): Likewise.
11589 (mark_const_hash_entry): New.
11590 (mark_pool_sym_hash_table): New.
11591 (mark_varasm_state): Use it.
11592 (init_varasm_once): New.
11594 * expr.h (init_one_libfunc): Declare.
11595 * optabs.c (init_one_libfunc): New.
11596 (init_optabs): Use it.
11597 * config/gofast.h: Likewise.
11598 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11599 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11601 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11603 * Makefile.in (cppexp.o): Depend on cpphash.h.
11604 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11606 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11607 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11608 redefining poisoned identifiers, etc.
11609 (do_undef): Don't allow poisoned identifiers to be undefined.
11610 (do_pragma): Add #pragma poison.
11611 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11613 * cccp.c: Add T_POISON node type.
11614 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11616 (do_define): Generalise to handle poisoned definitions,
11617 redefining poisoned identifiers, etc.
11618 (do_undef): Don't allow poisoned identifiers to be undefined.
11619 (do_pragma): Add #pragma poison.
11620 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11622 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11623 * c-pragma.h: Add ps_poison state. We now always have generic
11626 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11628 * ggc.h (ggc_alloc): New function.
11629 (ggc_mark): Likewise.
11630 * ggc-simple.c (ggc_any): New structure.
11631 (ggc_status): Add anys.
11632 (n_anys_collected): New variable.
11633 (ggc_alloc): Define.
11634 (ggc_mark): Likewise.
11635 (ggc_collect): Collect the anys.
11637 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11639 * c-decl.c (mark_binding_level): Make static to match prototype.
11641 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11643 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11645 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11647 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11648 will use into account. Expand the max width to 5.
11651 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11653 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11654 for the rtx length.
11656 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11658 * alpha.md (call value patterns): Remove the result predicates.
11660 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11662 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11665 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11667 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11668 changed from extern char *, to extern PTR. Also fix typo in
11669 NEED_DECLARATION_REALLOC test.
11671 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11673 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11675 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11676 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11677 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11678 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11680 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11682 * cccp.c (pcfinclude): Likewise.
11684 * global.c (allocno_compare): Likewise.
11686 * haifa-sched.c (rank_for_schedule): Likewise.
11688 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11690 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11692 * stupid.c (stupid_reg_compare): Likewise.
11694 * tree.c (_obstack_allocated_p): Likewise.
11696 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11698 1999-09-08 Bruce Korb autogen@linuxbox.com
11700 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11701 why "gperf -F" fails.
11702 * gcc/cp/Makefile.in: ditto
11703 * gcc/Makefile.in: ditto
11704 * gcc/java/Makefile.in: ditto
11706 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11708 * lists.c: Include ggc.h.
11710 (init_EXPR_INSN_LIST_cache): Install it.
11712 * ggc-simple.c (init_ggc): Absorb the old init.
11713 (ggc_push_context): Use xcalloc.
11714 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11715 (ggc_collect): Add [rvts] tags to the collection stats.
11717 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11719 * cccp.c (main): Fix handling of -include and -imacros options.
11721 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11723 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11725 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11727 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11730 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11732 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11733 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11734 and SET_DEST. Update comment.
11736 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11738 * config/c4x/c4x.c: Include ggc.h.
11739 (c4x_add_gc_roots): New function.
11740 (c4x_override_options): Call c4x_add_gc_roots.
11742 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11744 * defaults.h (TARGET_ESC): Move ...
11745 * system.h: ... here, where Linas had it in the first place. Silly me.
11747 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11749 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11750 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11751 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11752 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11753 * defaults.h (TARGET_ESC): Add default.
11755 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
11757 * configure.in: add i370-*-openedition, i370-*-mvs and
11758 i370-*-linux targets
11760 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
11762 * dsp16xxx.c: Include ggc.h
11763 (override_options): Mark GC roots.
11764 * mn10200.c: Include ggc.h.
11765 (asm_file_start): Mark GC roots.
11766 * tahoe.c: Include ggc.h.
11767 (extensible_operand): Mark GC roots.
11769 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
11771 * README: Add section discussing status of ELF ABI.
11772 * i370.c: Fix misc spelling mistakes.
11773 (i370_label_scan): Updated notes, exception handling.
11774 (i370_function_prolog): Simplify ELF stack handling.
11775 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
11776 (STACK_GROWS_DOWNWARD): ELF stack grows down.
11777 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
11778 * i370.md: (movdi): Add notes.
11779 (floatsidf2): Use stack not rtca for scratch float area.
11780 (iorsi3): Correct operand constraints.
11781 * x-oe: Restore TAROUTOPTS which are used by pax.
11783 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
11785 * rs6000.c: Include ggc.h.
11786 (rs6000_add_gc_roots): New function.
11787 (override_options): Call it.
11789 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
11791 * alpha.h (alpha_compare): New.
11792 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
11793 * alpha.c: Likewise for the definitions.
11794 (alpha_emit_conditional_branch): Update for alpha_compare.
11795 (alpha_emit_conditional_move): Likewise.
11796 * alpha.md (cmpdf, cmpdi): Likewise.
11797 (setcc patterns): Likewise. Zero alpha_compare after use.
11798 (sne): Optimize (x != 0) into (0U < x).
11800 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
11802 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
11803 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
11804 (INIT_EXPANDERS): Remove.
11805 * alpha.c: Include ggc.h.
11806 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
11807 (alpha_init_machine_status, alpha_mark_machine_status): New.
11808 (override_options): Install them.
11809 (struct machine_function): Moved to alpha.h.
11810 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
11811 (alpha_init_expanders): Remove.
11812 (alpha_return_addr): Adjust to use current_function->machine.
11813 (alpha_ra_ever_killed): Likewise.
11814 (alpha_expand_epilogue): Likewise.
11815 * alpha.md (eh_epilogue): Likewise.
11817 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
11818 Melissa O'Neill <oneill@cs.sfu.ca>
11819 Geoffrey Keating <geoffk@cygnus.com>
11821 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
11822 call-used registers (call-saved registers must still be contiguous
11823 and end with r31, of course).
11825 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
11827 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
11828 (self_promoting_type_p): Delete.
11829 (self_promoting_args_p): Move ...
11830 * c-common.c: ... here.
11831 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
11832 (simple_type_promotes_to): New.
11833 * builtins.c (lang_type_promotes_to): New.
11834 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
11835 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
11836 * c-common.h: ... here.
11837 (self_promoting_args_p, simple_type_promotes_to): Declare.
11838 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
11839 (grokdeclarator): Likewise.
11840 * tree.h (lang_type_promotes_to): Declare.
11842 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
11844 Add some machine-dependent GC roots.
11845 * sparc.c: Include ggc.h.
11846 (sparc_add_gc_roots): New function.
11847 (mark_ultrasparc_pipeline_state): Likewise.
11848 (override_options): Call sparc_add_gc_roots.
11849 * pa.c: Include ggc.h.
11850 (pa_add_gc_roots): New function.
11851 (mark_deferred_plabels): Likewise.
11852 (override_options): Call pa_add_gc_roots.
11853 * mips.c: Include ggc.h.
11854 (mips_add_gc_roots): New function.
11855 (override_options): Use it.
11857 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11859 * cpperror.c (cpp_file_line_for_message): Constify a char*.
11861 * cppexp.c (parse_number, parse_charconst, cpp_lex,
11862 cpp_parse_expr): Add static prototypes.
11863 (parse_charconst): Don't cast away const-ness.
11864 (token): Constify a char*.
11866 * cppfiles.c (file_name_list, include_hash, find_include_file,
11867 finclude, initialize_input_buffer): Constify a char*.
11868 (file_cleanup, find_position): Add static prototypes.
11870 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
11871 collect_expansion): Add static prototypes.
11872 (cpp_install, create_definition, monthnames): Constify a char*.
11874 * cpphash.h (cpp_install): Likewise.
11876 * cppinit.c (known_suffixes, default_include,
11877 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
11878 (base_name, dump_special_to_buffer, initialize_dependency_output):
11879 Add static prototypes.
11881 * cpplib.c (my_strerror): Constify a char*.
11882 (null_underflow, null_cleanup, skip_comment, copy_comment,
11883 copy_rest_of_line, handle_directive, pass_thru_directive,
11884 get_directive_token, read_line_number, cpp_print_file_and_line,
11885 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
11886 v_cpp_warning_with_line, detect_if_not_defined,
11887 consider_directive_while_skipping): Add static prototypes.
11888 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
11889 cpp_pedwarn_with_file_and_line): Constify a char*.
11891 * cpplib.h (cpp_options, include_hash, progname, definition,
11892 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
11893 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
11894 find_include_file, deps_output, include_hash): Constify a char*.
11896 * cppmain.c (progname): Constify.
11897 (main): Add prototype. Use return, not exit.
11899 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
11900 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
11901 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
11902 check_protection): Add static prototype.
11904 (progname, recognized_macrom, recognized_extern): Constify a char*.
11905 (main): Add prototype.
11907 * gen-protos.c (progname): Constify a char*.
11909 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
11911 * emit-rtl.c (free_emit_status): Take decl as a parameter.
11912 (init_emit_once): Add more GC roots.
11913 * except.c (mark_func_eh_entry): New function.
11914 (mark_eh_node): Mark false_label and rethrow_label.
11915 (init_eh): Add more GC roots.
11916 * function.c (free_after_compilation): Take decl as a paramter.
11917 Call free_stmt_status.
11918 (mark_function_state): Don't assume x_parm_reg_stack_loc is
11920 * function.h (free_after_compilation): Change prototype.
11921 (free_varasm_status): Likewise.
11922 (free_emit_status): Likewise.
11923 (free_stmt_status): New function.
11924 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
11925 Remove, replacing with ...
11926 (ggc_status): New structure.
11927 (ggc_chain): New variable.
11928 (init_gcc): Define.
11929 (ggc_push_context): New function.
11930 (ggc_pop_context): Likewise.
11931 (ggc_alloc_rtx): Adjust for use of ggc_chain.
11932 (ggc_alloc_rtvec): Likewise.
11933 (ggc_alloc_tree): Likewise.
11934 (ggc_alloc_string): Likewise.
11935 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
11936 (ggc_mark_tree): Give language-dependent code a chance to mark
11938 (ggc_mark_tree_varray): Handle empty arrays.
11939 (ggc_collect): Adjust for use of ggc_chain. Clear
11940 bytes_alloced_since_last_gc.
11941 * ggc.h (ggc_pop_context): New function.
11942 (ggc_push_context): Likewise.
11943 * print-tree.c (print_node): Don't print obstacks when GC'ing.
11944 * stmt.c (free_stmt_status): New function.
11945 (init_stmt_for_function): Clear last_expr_value.
11946 * toplev.c (rest_of_compilation): Always call free_after_compilation.
11947 Conditionalize call to ggc_collect.
11948 (main): Call init_ggc.
11949 * tree.c (push_obstacks): Do the push, even when GC'ing.
11950 (push_obstacks_nochange): Likewise.
11951 (pop_obstacks): Liekwise.
11952 * varasm.c (free_varasm_status): Take decl as a parameter.
11954 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
11956 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
11957 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
11958 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
11959 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
11961 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
11963 * pa/x-pa-mpeix: New file for the MPE port.
11965 * pa/quadlib.asm: New file for long double support.
11967 * configure.in: Add hppa1.0-*-mpeix for MPE port.
11968 * configure: Rebuilt.
11970 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
11972 * final.c (shorten_branches): Fix last change.
11974 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
11976 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
11978 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
11980 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
11983 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11985 * c-aux-info.c (concat): Don't define.
11987 * cccp.c (my_strerror): Likewise. All callers changed to use
11989 (do_include): Call xstrdup, not xmalloc/strcpy.
11990 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
11991 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
11993 * collect2.c (my_strsignal): Likewise. All callers changed to use
11995 (locatelib): Call xstrdup, not xmalloc/strcpy.
11997 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
11999 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12001 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12003 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12005 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12007 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12009 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12011 (find_all_handler_type_matches): Likewise. Don't check return
12013 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12014 xmalloc, not malloc.
12015 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12017 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12018 (init_spec): Call xcalloc, not xmalloc/bzero.
12019 (set_spec): Call xstrdup, not save_string.
12020 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12021 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12022 (process_command): Call xstrdup, not save_string.
12023 (main): Call xcalloc, not xmalloc/bzero.
12025 * gcov.c (xmalloc): Don't define.
12026 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12027 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12028 (output_data): Call xcalloc, not xmalloc/bzero.
12030 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12032 * mips-tdump.c (xmalloc): Don't define.
12033 (print_symbol): Call xmalloc, not malloc.
12034 (read_tfile): Call xcalloc, not calloc.
12036 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12037 Don't define. All callers of xfree/my_strsignal changed to use
12038 free/strsignal instead.
12039 (allocate_cluster): Call xcalloc, not calloc.
12041 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12042 Fix memory leak, free allocated memory.
12044 * prefix.c (translate_name): Call xstrdup, not save_string.
12045 (update_path): Likewise.
12047 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12049 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12050 Don't define. Callers of xfree/savestring2 changed to use
12051 free/concat instead.
12053 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12054 (init_elim_table): Likewise.
12056 * resource.c (init_resource_info): Likewise.
12058 * stupid.c (stupid_life_analysis): Likewise.
12060 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12061 (open_dump_file): Call concat, not xmalloc/strcpy/...
12062 (clean_dump_file): Likewise.
12063 (compile_file): Call xstrdup, not xmalloc/strcpy.
12065 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12067 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12068 * v850.c (v850_va_arg): New.
12070 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12072 * haifa-sched.c: Tidy comments.
12074 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12076 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12077 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12078 $(out_object_file)): Depend on ggc.h.
12079 * c-common.c: Include "ggc.h".
12080 (combine_strings): If doing GC, use ggc_alloc_string.
12081 * c-decl.c: Include "ggc.h".
12082 (ggc_p): Define with value 0.
12083 (mark_binding_level): New function.
12084 (init_decl_processing): Add GC roots.
12085 (mark_c_function_context): New function.
12086 (lang_mark_false_label_stack): New function.
12087 (lang_mark_tree): New function.
12088 (lang_cleanup_tree): New function.
12089 * c-lang.c: Include "ggc.h".
12090 (lang_init): Call c_parse_init.
12091 * c-lex.c: Include "ggc.h".
12092 (check_linenum): If doing GC, don't copy filenames to permanent
12094 * c-parse.in: Include "ggc.h".
12095 (c_parse_init): New function.
12096 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12097 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12099 * except.c (mark_eh_state): Mark more state.
12100 * function.c (mark_function_state): Likewise.
12101 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12102 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12103 * toplev.c (mark_file_stack): New function.
12104 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12105 (main): Add root for input_file_stack.
12107 * i386.c: Include "ggc.h".
12108 (ix86_mark_machine_status): New function.
12109 (override_options): Set mark_machine_status.
12111 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12113 * tree.c (copy_node): Copy node contents also if doing GC.
12115 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12117 * collect2.c (scan_libraries): Fix double-thinko :-).
12119 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12121 * collect2.c (scan_libraries): Fix thinko.
12123 * cse.c (delete_trivially_dead_insns): Do not skip the last
12124 insn if it is a real insn.
12126 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12128 * Makefile.in (ggc-simple.o): Depend on hash.h.
12129 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12130 (ggc_mark_tree_varray): Likewise.
12131 (ggc_mark_tree_hash_table): Likewise.
12132 * ggc-simple.c: Include hash.h.
12133 (ggc_mark_tree_hash_table_ptr): New function.
12134 (ggc_mark_tree_hash_table_entry): Likewise.
12135 (ggc_mark_tree_hash_table): Likewise.
12136 (ggc_add_tree_hash_table_root): Likewise.
12137 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12138 rtx, when defining fields.
12140 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12142 * profile.c (output_func_start_profiler): Remove apparently
12143 nonsensical call to start_sequence.
12145 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12147 * clipper/clipper.c (clipper_va_start): Fix typos.
12149 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12150 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12151 (spur_va_arg): New stub.
12153 * configure.in: Comment out pyramid.
12155 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12157 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12158 don't conflict with the bits that win32, cygwin, and dgux
12161 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12162 Bernd Schmidt <bernds@cygnus.co.uk>
12164 * integrate.c (function_cannot_inline_p): Do not inline
12165 functions with forced labels.
12167 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12168 Bernd Schmidt <bernds@cygnus.co.uk>
12169 Mark Mitchell <mark@codesourcery.com>
12171 * Makefile.in (ggc-simple.o): Depend on varray.h.
12172 (rtl.o): Depend on ggc.h.
12173 (genattrtab.o): Depend on ggc.h.
12174 (print-tree.o): Likewise.
12175 (fold-const.o): Likewise.
12176 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12177 (make_insn_raw): Don't cache insns when GC'ing.
12178 (emit_insn_before): Likewise.
12179 (emit_insn_after): Likewise.
12180 (emit_insn): Likewise.
12181 (start_sequence): Use xmalloc to allocate the sequence_stack.
12182 (end_sequence): Add free to free it.
12183 (gen_sequence): Don't cache insns when GC'ing.
12184 (clear_emit_caches): Don't use sequence_element_free_list.
12185 (init_emit): Use xcalloc, not xmalloc+bzero.
12186 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12187 * function.c (pop_function_context_from): Use free to free the
12188 fixup_var_refs_queue.
12189 (put_reg_into_stack): Allocate it with xmalloc.
12190 * genattrtab.c: Include ggc.h.
12191 (operate_exp): Don't use obstack_free when GC'ing.
12192 (simplify_cond): Likewise.
12193 (simplify_text_exp): Likewise.
12194 (optimize_attrs): Likewise.
12195 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12197 (gencode): Generate a #include for ggc.h.
12198 * ggc-callbacks.c (ggc_p): Define it to zero.
12199 * ggc-none.c (ggc_p): Likewise.
12200 * ggc-simple.c: Include varray.h.
12201 (ggc_mark_tree_varray): New function.
12202 (ggc_add_tree_varray_root): Likewise.
12203 (ggc_mark_tree_varray_ptr): Likewise.
12204 * ggc.h (ggc_p): Declare.
12205 (varray_head_tag): Likewise.
12206 (ggc_add_tree_varray_root): Declare.
12207 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12208 inconsistencies when GC'ing.
12209 * rtl.c: Include ggc.h.
12210 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12211 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12212 (rtx_free): Don't call obstack_free when GC'ing.
12213 * toplev.c (rest_of_compilation): Call ggc_collect after every
12215 * tree.c (push_obstacks): Do nothing, if GC'ing.
12216 (pop_obstacks_nochange): Likewise.
12217 (pop_obstacks): Likewise.
12218 (make_node): Use ggc_alloc_tree when GC'ing.
12219 (copy_node): Likewise.
12220 (get_identifier): Use ggc_alloc_string when GC'ing.
12221 (build_string): Likewise.
12222 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12223 (tree_cons): Likewise.
12224 (build1): Likewise.
12225 (type_hash_canon): Don't call obstack_free when GC'ing.
12227 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12229 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12230 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12232 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12233 Bernd Schmidt <bernds@cygnus.co.uk>
12234 Mark Mitchell <mark@codesourcery.com>
12236 * Makefile.in (stor-layout.o): Depend on ggc.h.
12237 (expr.o): Depend on ggc.h.
12238 (profile.o): Depend on ggc.h.
12239 (stor-layout.o): Depend on ggc.h.
12240 * emit-rtl.c (init_emit_once): Add gc roots.
12241 * expr.c: Include ggc.h.
12242 (emit_block_move): Add gc roots.
12243 (clear_storage): Likewise.
12244 * expr.h (init_stor_layout_once): New function.
12245 * profile.c: Include ggc.h.
12246 (init_arc_profiler): profiler_label is a root.
12247 * scan.c (make_sstring_space): Trust xrealloc to function
12248 correctly with first parameter NULL.
12249 * stor-layout.c: Include ggc.h.
12250 (set_sizetype): Add gc root.
12251 (init_stor_layout_once): New function.
12252 * toplev.c (compile_file): Call it.
12254 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12255 Bernd Schmidt <bernds@cygnus.co.uk>
12256 Mark Mitchell <mark@codesourcery.com>
12258 * Makefile.in (tree.o): Depend on ggc.h.
12259 (varasm.o): Likewise.
12260 (function.o): Likewise.
12261 (stmt.o): Likewise.
12262 (except.o): Likewise.
12263 (optabs.o): Likewise.
12264 (emit-rtl.o): Likewise.
12265 * emit-rtl.c: Include ggc.h.
12266 (sequence_element_free_list): Remove, and all references.
12267 (mark_sequence): New functions.
12268 (mark_emit_state): New function.
12269 * except.c: Include ggc.h.
12270 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12271 (mark_tree_label_node): New functions.
12272 (mark_eh_state): New function.
12273 * function.c: Include ggc.h.
12274 (mark_temp_slot, mark_function_chain): New functions.
12275 (mark_function_state): New function.
12276 (init_function_once): New function.
12277 * function.h (init_function_once): New function.
12278 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12279 * ggc.h (label_node): Declare.
12280 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12281 (lang_mark_false_label_stack): New function.
12282 (mark_temp_slot): Remove declaration.
12283 (mark_function_chain): Likewise.
12284 (mark_eh_state): Adjust prototype.
12285 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12287 * optabs.c: Include ggc.h.
12288 (mark_optab): New function.
12289 (init_optabs): Add gc roots.
12290 * stmt.c: Include ggc.h.
12291 (mark_cond_nesting, mark_loop_nesting): New functions.
12292 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12293 (mark_stmt_state): New function.
12294 * toplev.c (compile_file): Call init_function_once.
12295 * tree.c: Include ggc.h.
12296 (type_hash): Move declaration earlier in file.
12297 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12298 (init_obstacks): Add gc roots.
12299 (mark_type_hash): New function.
12300 * varasm.c: Include ggc.h.
12301 (mark_pool_constant): New function.
12302 (mark_varasm_state): New function.
12304 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12306 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12308 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12310 * c-decl.c (struct language_function): Renamed from struct c_function.
12312 (c_function_chain): Delete.
12313 (push_c_function_context): New arg F. Don't warn about nested
12314 functions here. Fill LANGUAGE elt of F. Delete code to update
12315 c_function_chain. Don't call push_function_context.
12316 (pop_c_function_context): New arg F. Restore from there instead of
12317 from c_function_chain. Don't call pop_function_context. Clear out
12318 LANGUAGE field of F when done.
12319 * c-lang.c: Include "function.h"
12320 (lang_init): Initialize save_lang_status and restore_lang_status.
12321 * c-parse.in (nested_function, nested_function_notype): Warn about
12322 nested functions. Call push_function_context/pop_function_context
12323 instead of the _c_ variants.
12324 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12326 * Makefile.in (c-lang.o): Update dependencies.
12328 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12329 regno_pointer_flag, regno_pointer_align.
12330 (gen_reg_rtx): Use xrealloc to enlarge them.
12331 (free_emit_status): New function.
12332 * function.c (mark_machine_status, mark_lang_status): New variables.
12333 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12334 in some bits from assign_stack_local. All callers changed to use new
12336 (assign_stack_local): Just call assign_stack_local_1.
12337 (free_after_compilation): New function.
12338 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12339 (trampoline_address): Likewise.
12340 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12341 (prepare_function_start): Explicitly clear some more variables.
12342 * function.h (struct function): New elt can_garbage_collect.
12343 (mark_machine_status, mark_lang_status): Declare variables.
12344 (free_after_compilation, free_emit_status, free_varasm_status,
12345 init_varasm_status): Declare functions.
12346 * toplev.c (rest_of_compilation): Call free_after_compilation when
12347 done with the current function.
12348 * varasm.c (free_varasm_status): New function.
12350 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12352 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12353 (EXPAND_BUILTIN_VA_ARG): Define.
12354 * sparc.c (sparc_va_start): New.
12355 (sparc_va_arg): New.
12357 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12359 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12361 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12363 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12365 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12367 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12368 (OBJS): Add $(GGC).
12369 (ggc-callbacks.o): New target.
12370 * ggc-callbacks.c: New file.
12372 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12374 * expr.h: Collapse individual optab and libfunc vars to arrays.
12375 (optab_index, libfunc_index): New enumerations.
12376 (optab_table, libfunc_table): New arrays.
12377 Add accessor macros for both.
12379 * optabs.c (optab_table, libfunc_table): New.
12380 Delete declarations for individual optab and libfunc vars.
12382 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12384 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12386 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12388 * Makefile.in (GGC, GGC_LIB): New.
12389 (HOST_RTL): Include ggc-none.o.
12390 (ggc-simple.o): New target.
12391 (ggc-none.o): Likewise.
12392 * tree.h (tree_common): Add gc_mark.
12393 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12394 (struct rtvec_def): Add gc_mark.
12395 * emit-rtl.c (global_rtl): Update static initializers to contain
12396 enough initializers.
12397 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12398 * toplev.c (gc_time): New variable.
12399 (all_time): New variable.
12400 (compile_file): Print gc time.
12401 (print_time): Calculate percentage of the whole.
12403 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12405 Change obstack memory management and varasm constant pool handling so
12406 that nested functions are treated like any other functions.
12407 * function.c (init_machine_status): New variable.
12408 (push_function_context_to): Set contains_functions for the outer
12409 function. Don't call save_varasm_status.
12410 (pop_function_context_from): Don't call restore_varasm_status. Don't
12411 set current_function_contains_functions.
12412 (prepare_function_start): Call init_varasm_status rather than
12413 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12415 * function.h (struct function) Add field varasm. Delete fields
12416 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12417 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12418 (init_machine_status): Declare.
12419 (save_varasm_status, restore_varasm_status): Delete declarations.
12420 (save_tree_status, restore_tree_status): Delete last argument.
12421 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12422 code. All callers changed.
12423 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12424 save_constants_in_decl_trees, restore_constants, save_constants,
12425 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12427 (inlining): New variable.
12428 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12429 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12431 (save_for_inline_nocopy): Don't save constants.
12432 Don't set inl_emit field in current_function.
12433 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12434 function. Set new variable inlining before
12435 calling copy_rtx_and_substitute.
12436 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12437 constant pool references if inlining is nonzero.
12438 Delete ADDRESS and (most of the) CONST cases.
12439 (output_inline_function): Save and restore current_function/
12440 current_function_decl. Delete restore_constants code. Don't call
12441 init_const_rtx_hash_table.
12442 * output.h (init_const_rtx_hash_table): Don't declare.
12443 * rtl.h (struct function): Declare.
12444 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12445 * toplev.c (rest_of_compilation): Don't treat nested functions or
12446 functions containing them specially. Delete all code to deal with
12447 save_for_inline_copying.
12448 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12449 inline_obstacks): Delete variables.
12450 (save_tree_status): Lose arg CONTEXT. All callers changed.
12451 Simply allocate a new function_maybepermanent_obstack for the new
12452 function, delete all the special cases.
12453 Don't save inline_obstacks.
12454 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12455 Delete special handling for function_maybepermanent_obstack; simply
12457 Don't restore inline_obstacks.
12458 (permanent_allocation): Delete code that frees inline_obstacks.
12459 (print_inline_obstack_statistics): Delete function.
12460 (dump_tree_statistics): Don't call it.
12461 * varasm.c (struct varasm_status): New.
12462 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12463 last_pool, pool_offset, const_double_chain): Delete global
12464 variables, replace with accessor macros.
12465 (immed_double_const): Don't walk const_double_chain outside a
12466 function, but don't treat nested functions specially anymore.
12467 (immed_real_const_1): Likewise.
12468 (clear_const_double_mem): Don't treat nested functions specially.
12469 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12470 (save_varasm_status, restore_varasm_status): Delete functions.
12471 (init_varasm_status): New function.
12472 (force_const_mem): Don't treat nested functions specially.
12473 (find_pool_constant): Accept new arg F, search for constants in
12474 that function's pool rather than the current one. All callers
12476 (get_pool_constant_for_function, get_pool_mode_for_function): New
12479 * i386.c (init_386_machine_status): New function, mostly from
12480 clear_386_stack_locals.
12481 (struct machine_functions): Rename element names to avoid name
12483 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12484 macros, replacing global variables.
12485 (clear_386_stack_locals, save_386_machine_status,
12486 restore_386_machine_status): Delete functions.
12487 (override_options): Initialize init_machine_status.
12488 * i386.h (INIT_EXPANDERS): Delete macro.
12489 (save_386_machine_status, restore_386_machine_status,
12490 clear_386_stack_locals): Delete declarations.
12492 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12494 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12495 (doloop_begin): Simplify pattern and use emit_jump_insn.
12496 (doloop_end): Simplify pattern, switch operand order,
12497 and use emit_jump_insn.
12499 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12501 * function.h (struct function): Add new element LANGUAGE.
12502 (save_lang_status): Declare new variable.
12503 (restore_lang_status): Likewise.
12504 * function.c (save_lang_status): Define.
12505 (restore_lang_status): Likewise.
12506 (push_function_context_to): Call language-specific save function.
12507 (pop_function_context_from): Call language-specific restore function.
12509 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12511 * i386.md (movsf_1): Check REG_P before use of REGNO.
12512 (movdf_1): Likewise.
12513 (movxf_1): Likewise.
12514 (extendsfdf2): Likewise.
12515 (extendsfxf2): Likewise.
12516 (extenddfxf2): Likewise.
12518 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12520 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12521 constants into memory.
12522 (c4x_shiftable_constant): New function.
12523 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12524 (c4x_shiftable_constant): Declare.
12525 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12526 ashlqi3_noclobber): Add new patterns and associated splitters.
12528 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12530 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12531 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12532 * final.c (shorten_branches): Likewise.
12533 * global.c (global_alloc): Likewise.
12534 * haifa-sched.c (build_control_flow): Likewise.
12535 * stmt.c (check_for_full_enumeration_handling): Likewise.
12536 (estimate_case_costs): Likewise.
12538 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12540 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12542 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12544 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12545 (recompute_reg_usage): Likewise.
12546 * rtlanal.c (find_regno_fusage): Likewise.
12548 * rtl.c (rtl_check_failed_code1): New function.
12549 (rtl_check_failed_code2): New.
12550 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12551 (RTL_CHECKC1, RTL_CHECKC2): New.
12552 (XC*): New accessor macros.
12553 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12554 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12555 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12556 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12557 (TRAP_*, RANGE_INFO_*): Likewise.
12559 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12561 * Makefile.in (tlink.o): Don't depend on toplev.h.
12563 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12564 output_file, nm_file_name, ldd_file_name, strip_file_name,
12565 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12566 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12567 fork_execute, maybe_unlink, add_to_list,
12568 extract_init_priority, write_list, dump_list,
12569 dump_prefix_list, write_list_with_asm, write_c_file,
12570 write_c_file_stat, write_c_file_glob, scan_prog_file,
12571 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12572 ignore_library, extract_string, notice, dump_file, target_machine,
12573 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12574 read_file, print_load_command): Constify a char*.
12575 (fdopen, error, fatal, fatal_perror): Don't prototype.
12576 (my_strerror): Remove. All callers use xstrerror instead.
12577 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12578 (main): Add prototype. Constify lots of char* ptrs. Change calls
12579 to xcalloc/strcpy/strcat/... to one call to concat.
12580 (main, scan_prog_file, scan_libraries): Use an intermediate
12581 `const char **' to build an argv array.
12582 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12584 * collect2.h (collect_execute, collect_wait, dump_file,
12585 file_exists): Constify a char*.
12586 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12587 temporary_firstobj, vflag, debug): Add extern declarations.
12588 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12590 * tlink.c: Don't include toplev.h.
12591 (vflag, debug, ldout, c_file_name, temporary_obstack,
12592 permanent_obstack, temporary_firstobj): Don't declare.
12593 (tlink_execute, frob_extension, symbol_hash_lookup,
12594 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12595 recompile_files, read_repo_files, demangle_new_symbols,
12596 scan_linker_output): Constify a char*.
12597 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12598 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12600 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12602 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12603 (relative) rather than jsr (absolute) subroutine call insns.
12604 * config/m68k/m68k-coff.h: Ditto.
12606 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12608 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12609 now rework these too.
12610 (arm_reorg): If an insn can't reach the end of the current pool,
12611 ensure that we emit that pool before the insn.
12613 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12615 * tlink.c (scan_linker_output): Skip the initial underscore in
12616 a mangled name if appropriate.
12618 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12620 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12621 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12622 error_with_ivar, gen_declarator, create_builtin_decl,
12623 my_build_string, generate_descriptor_table, generate_ivars_list,
12624 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12625 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12626 dump_base_name, lang_decode_option, build_encode_expr,
12627 start_class, finish_class, encode_pointer, really_start_method,
12628 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12630 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12631 Add static prototypes.
12632 (build_objc_string_decl, build_selector_reference_decl,
12633 encode_bitfield, build_class_reference_decl): Remove unused
12634 parameter, all callers changed.
12635 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12636 (objc_printable_name): Likewise. Change second parameter to type int.
12637 (init_objc): Use memcpy, not bcopy, to avoid casts.
12639 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12641 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12642 reg notes on a deleted insn.
12643 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12645 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12647 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12649 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12651 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12654 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12656 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12657 * tm.texi (MD_ASM_CLOBBERS): Document it.
12659 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12661 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12662 * except.c (expand_rethrow): Remove unused variable.
12663 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12664 * flow.c (replace_insns): Likewise.
12665 (create_edge_list, verify_edge_list): Likewise.
12666 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12668 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12669 is special code to run.
12670 (main): Don't define operands to emit_operand.
12671 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12673 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12675 * alpha/alpha.h (normal_memory_operand): Declare.
12676 (reg_no_subreg_operand): Declare.
12677 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12679 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12681 * c-parse.in (compstmt_primary_start): New, broken out of first
12682 part of compstmt handling in primary.
12683 (primary): Use it. Add an error clause.
12684 (compstmt_nostart): Renamed from compstmt; remove all
12685 initial invocations of compstmt_start.
12688 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12690 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12693 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12695 * combine.c (simplify_shift_const): Remove extra semicolon.
12696 * dwarf2out.c (remove_AT): Likewise.
12697 * expmed.c (expand_mult): Likewise.
12698 * gcov.c (create_program_flow_graph): Likewise.
12699 * reorg.c (mostly_true_jump): Likewise.
12701 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12703 * fold-const.c (fold_range_test): Do not try to fold the range
12704 test if the rhs or lhs has side effects.
12706 * combine.c (simplify_rtx): Recognize another case of a synthesized
12709 * varasm.c (mark_constant_pool): When marking indirect references,
12710 only look at SYMBOL_REFs.
12712 * except.c (expand_fixup_region_end): Do not peek at
12713 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12715 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12717 * flags.h: New variables align_loops, align_loops_log,
12718 align_jumps, align_jumps_log, align_labels, align_labels_log,
12719 align_functions, align_functions_log.
12720 * toplev.c: Define them.
12721 (f_options): Handle -falign-* when they have no argument.
12722 (main): Add logic to set variables for -falign-functions,
12723 -falign-jumps, -falign-labels, -falign-loops.
12724 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12725 (display_help): Change help to match options.
12726 * final.c (LABEL_ALIGN): Default to align_labels_log.
12727 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12728 (LOOP_ALIGN): Default to align_loops_log.
12729 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12730 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12731 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12732 * varasm.c (assemble_start_function): Handle align_functions.
12734 * config/sparc/sparc.h: Don't declare sparc_align_*.
12735 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12736 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12738 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12740 * config/sparc/sparc.c: Delete sparc_align_loops,
12741 sparc_align_jumps, sparc_align_funcs and the corresponding string
12743 (sparc_override_options): Default align_functions on ultrasparc.
12744 Delete -malign-* handling.
12746 * config/mips/mips.c (override_options): On 64-bit targets,
12747 try to align code to 64-bit boundaries.
12748 (print_operand): New substitution, %~,
12749 which aligns labels to align_labels_log.
12750 * config/mips/mips.md (div_trap_normal): Use %~.
12751 (div_trap_mips16): Likewise.
12753 (absdi2): Likewise.
12754 (ffssi2): Likewise.
12755 (ffsdi2): Likewise.
12756 (ashldi3_internal): Likewise.
12757 (ashrdi3_internal): Likewise.
12758 (lshrdi3_internal): Likewise.
12759 (casesi_internal): Likewise.
12761 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
12763 Merge new ia32 backend from the branch!
12765 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
12766 See ChangeLog.P2 on new_ia32_branch for details.
12768 * rtl.h (stack_regs_mentioned_p): Delete prototype.
12769 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
12770 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12771 * i386/gas.h (ASM_FILE_START): Define.
12772 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
12773 for name change of ix86_valid_decl_attribute_p.
12774 (i386_pe_valid_type_attribute_p): Similarly.
12776 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
12778 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
12779 to step through CC modes.
12781 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12783 * regmove.c (fixup_match_1): Don't move INSN in front of P if
12784 it would end up in the shadow of a live flags regsiter.
12786 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12788 * reload1.c: Fix many indentation problems.
12789 * reload.c: Likewise.
12791 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
12793 * alias.c (non_local_reference_p): Constify fmt.
12795 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
12797 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
12799 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
12801 * cse.c (delete_trivially_dead_insns): Do not delete stores to
12802 the internal_arg_pointer.
12804 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
12806 Merge peephole2 from new_ia32_branch:
12807 * Makefile.in (STAGESTUFF): Add *.peephole2.
12808 (mostlyclean): Likewise.
12809 (recog.o): Depend on resource.h.
12811 * final.c (peephole): Conditionalize decl on HAVE_peephole.
12812 (final_scan_insn): Likewise for the invocation of peephole.
12813 * genconfig.c (main): Look for peephole and peephole2 patterns.
12814 Emit HAVE_peephole* accordingly.
12815 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
12816 * flags.h (flag_peephole2): Declare.
12817 * toplev.c: New pass peephole2. New flag -fpeephole2.
12819 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
12820 * gencodes.c (main): Likewise.
12821 * genextract.c (main): Likewise.
12822 * genoutput.c (main): Likewise.
12823 * genemit.c (max_operand_1): Look for the max scratch operand.
12824 (gen_rtx_scratch): New.
12825 (gen_exp): Use it, and pass on new arg subroutine_type.
12826 (gen_expand): Take max scratch into account.
12827 (gen_split): Emit peephole2 functions.
12828 (output_peephole2_scratch): New.
12829 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
12830 * genrecog.c (routine_type): Add PEEPHOLE2.
12832 (make_insn_sequence): Match outer parallel for peep2. Discard
12833 top level scratches and dups.
12834 (add_to_sequence): New args insn_type and top. Update all callers.
12835 Handle toplevel peep2 matching insns.
12836 (write_subroutine): Handle peep2.
12837 (write_tree_1): Likewise.
12838 (write_tree): Likewise.
12840 (change_state): New arg afterward. Update all callers.
12841 Handle matching separate insns.
12842 * recog.c (recog_next_insn): New.
12843 (peephole2_optimize): New.
12844 * rtl.def (DEFINE_PEEPHOLE2): New.
12845 * resource.c (find_free_register): New argument last_insn. Use it
12846 to find a register available through the entire span.
12847 * resource.h (find_free_register): Update prototype.
12849 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
12851 * i386.c (output_strlen_unroll): Don't write xops[7]
12852 label if it wasn't set.
12854 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
12856 * cpplib.c (struct directive): Const-ify name pointer and
12857 function pointer prototype.
12858 (validate_else, do_define, do_line, do_include, do_undef,
12859 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
12860 do_elif, do_endif, do_sccs, do_assert, do_unassert,
12861 do_warning): Const-ify second arg.
12862 (directive_table): Mark const. Reorder entries by frequency
12863 of usage, record statistics.
12865 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
12867 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
12868 bounds- check RTL accesses if --enable-checking.
12869 (RTVEC_ELT): Bounds check if --enable-checking.
12870 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
12871 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
12872 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
12874 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
12875 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
12877 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
12878 (NOTE_SOURCE_FILE): Use X0STR.
12879 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
12880 MEM_ALIAS_SET): Use X0INT.
12881 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
12882 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
12884 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
12885 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
12886 (rtl_check_failed_bounds, rtl_check_failed_type1,
12887 rtl_check_failed_type2, rtvec_check_failed_bounds): New
12889 (fancy_abort): Fix comment.
12891 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
12892 (cse_insn): Decrement LABEL_NUSES for jump target before
12893 deleting jump insn.
12894 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
12895 * final.c (alter_subreg): Compute regno before changing x to
12896 REG; set REGNO(x) after changing it.
12897 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
12898 notes containing CONST_INTs.
12899 (delete_eh_regions): Use NOTE_EH_HANDLER.
12900 * function.c (put_reg_into_stack): Make reg a MEM before
12902 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
12904 (gen_mem_addressof): Make reg a MEM before initializing it.
12905 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
12907 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
12908 deleting an insn, not after.
12909 (block_alloc): Only look at PATTERN(insn) if we have to, and
12910 only if it's format class 'i'.
12911 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
12912 CONST_INT before using its INTVAL.
12913 * print-rtl.c (print_rtx): Use X0STR.
12914 * regmove.c (fixup_match_1): Don't look at PATTERN of
12915 non-class-'i' insn chain elements.
12916 * reload.c (loc_mentioned_in_p): Take address of
12917 in->fld[1].rtx directly.
12918 * reload1.c (reload): Change reg to a MEM before initializing
12920 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
12922 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
12924 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
12926 * config/mips/mips.c (machine_dependent_reorg): Force a
12927 barrier to output the local constant pool if a barrier hasn't
12928 been found at a natural point in the instruction stream.
12930 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12932 * c-parse.in (language_string): Constify.
12934 * dwarf2out.c (language_string): Remove declaration.
12936 * dwarfout.c (language_string): Likewise.
12938 * toplev.c (language_string, init_parse, finish_parse): Likewise.
12940 * tree.h (language_string, init_parse, finish_parse): Declare.
12942 * i386/sun386.h (language_string): Remove declaration.
12944 * mips.h (language_string): Likewise.
12946 * nextstep.h (language_string): Likewise.
12948 * nextstep21.h (language_string): Likewise.
12950 * rs6000.c (language_string): Likewise.
12952 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12954 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
12955 (getpwd.o): Remove target.
12957 * getpwd.c: Delete file. Its in libiberty now.
12959 * dbxout.c (getpwd): Don't prototype.
12960 * dwarf2out.c (getpwd): Likewise
12961 * dwarfout.c (getpwd): Likewise
12962 * final.c (getpwd): Likewise.
12963 * protoize.c (getpwd): Likewise.
12965 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12967 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
12969 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12971 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
12972 mark_set_resources.
12974 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
12976 * fixinc/Makefile.in (subdir): New.
12977 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
12980 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
12982 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
12983 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
12986 * invoke.texi: Fix typo.
12988 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
12989 changed. Handle autoincrement addressing modes.
12991 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
12992 just like we would the virtual incoming args register when
12995 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
12997 * rs6000.h (ASM_FILE_START): Specify complete filename, including
12998 path, in .file directive.
13000 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13002 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13005 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13007 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13010 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13012 * tree.c (tree_code_name): Constify a char*.
13014 * tree.h (tree_code_name, decl_printable_name): Likewise.
13016 * function.h (struct function): Likewise.
13018 * toplev.c (decl_name, decl_printable_name): Likewise.
13020 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13022 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13023 (init_objc): Remove function pointer cast.
13025 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13027 * pa.md (interspace_jump): New pattern.
13028 (builtin_longjmp): New expander.
13030 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13032 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13033 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13034 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13036 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13038 * jump.c (delete_prior_computation): Also check calls
13039 to constant functions. Don't bother checking for a
13040 REG_UNUSED note before adding it.
13041 (delete_computation): Handle multi-word hard registers
13042 when synthesizing missing REG_DEAD notes for a register
13043 which is both set and used by an insn.
13045 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13047 * loop.c (this_loop_info): New variable.
13048 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13049 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13051 (prescan_loop, strength_reduce): New argument loop_info. All callers
13053 (scan_loop): New variable loop_info, initialise to address of
13055 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13056 Delete variable loop_has_multiple_exit targets and replace with
13057 field in this_loop_info.
13058 (find_and_verify_loops): Rename this_loop to this_loop_num.
13059 (strength_reduce): Delete loop_iteration_info. Replace variable
13060 loop_info with function argument of same name.
13061 (insert_bct): Rework test for loop being completely unrolled.
13063 * loop.h (struct loop_info): New fields num, loops_enclosed,
13064 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13065 has_indirect_jump, and cont. Redefine use of unroll_number.
13066 (loop_unroll_number): Delete.
13068 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13069 field of loop_info.
13070 (loop_iterations): Delete variable vtop and instead use
13071 loop_info->vtop computed in prescan_loop.
13073 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13075 * fix-header.c (main): Do not pass a null pointer to strcmp.
13077 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13079 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13081 * configure: Rebuilt.
13083 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13085 * jump.c (jump_optimize_1): Do not delete assignments to
13086 internal_arg_pointer.
13087 * cse.c (delete_trivially_dead_insns): Always consider a set of
13088 the internal_arg_pointer live.
13090 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13092 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13093 (update_life_info) [REG_WAS_0]: Search the original insns rather
13094 than the new insns for the note. Fix typos finding note_dest.
13095 If no dest found, discard the note rather than abort.
13096 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13097 (replace_insns): Remove the old insn list after update_life_info
13100 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13102 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13103 sched_analyze_insn.
13104 (sched_analyze_1): Let add_dependence care for not adding dups.
13105 (sched_analyze_2): Likewise.
13106 (add_branch_dependences): Likewise.
13108 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13110 * i386/winnt.c (export_list): New type.
13111 (exports_head): Rename to
13112 (export_head): this.
13113 (i386_pe_record_exported_symbol): Add is_data flag.
13114 (i386_pe_asm_file_end): Emit directive for exported variables.
13115 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13117 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13118 (ASM_DECLARE_OBJECT_NAME): Likewise.
13119 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13120 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13122 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13124 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13126 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13129 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13131 * config/openbsd.h: Define SET_ASM_OP.
13132 * tm.texi: cross-reference SET_ASM_OP in the index.
13134 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13136 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13137 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13138 and class_narrowest_mode at compile time. Kill init_rtl.
13139 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13140 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13141 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13143 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13145 * rtl.h: Declare rtx_length and rtx_format as const.
13146 * machmode.def: Define CC(). Use CC() to define CCmode. If
13147 EXTRA_CC_MODES is defined, expand it here.
13148 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13149 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13150 const. Kill all references to EXTRA_CC_MODES.
13152 * toplev.c: Don't prototype or call init_rtl.
13153 * optabs.c: Don't call init_mov_optab.
13154 * genemit.c: Don't generate init_mov_optab. Don't call
13156 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13158 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13159 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13160 genrecog.c: Don't call init_rtl.
13162 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13163 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13164 definition of EXTRA_CC_MODES.
13166 * md.texi: Kill ref to EXTRA_CC_NAMES.
13167 * tm.texi: Document new way to define EXTRA_CC_MODES.
13169 * genrecog.c: Do not look up the name of a define_split.
13170 (Unrelated bugfix.)
13172 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13174 * config/v850/v850.md: Fix typo introduced by previous delta.
13176 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13178 * gcc.c (fatal): Make definition static to match prototype.
13180 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13182 * combine.c (get_last_value): Don't look for earlier sets if the last
13183 known set is somewhere in between the insns being combined.
13185 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13187 * configure.in: Don't use shell ! to negate exit codes
13188 * configure: Regenerate
13190 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13192 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13193 the fact that ALIGN is measured in bits, not bytes.
13195 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13197 * errors.c: New file; defines functions error, warning, and
13198 fatal, variables have_error and progname.
13199 * errors.h: New file; prototypes and decls for stuff in errors.c.
13201 * Makefile: Add rules to build errors.o and
13202 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13203 genopinit, genrecog, genextract, genpeep, genattr, and
13204 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13205 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13206 genpeep.o, genattr.o, and genoutput.o.
13208 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13209 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13210 define or prototype fatal. Set progname at beginning of main.
13211 * genoutput.c: Likewise, and don't define or prototype error
13214 * c-typeck.c (c_expand_start_case): Return immediately if exp
13216 * fold-const.c (operand_equal_p): Return immediately if arg1
13217 or arg0 are ERROR_MARKs.
13218 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13219 fields of type ERROR_MARK when calculating if the record can
13222 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13223 with much help from Jeffrey A Law and Richard Henderson
13225 * i386.md: In the 6 insns which call output_fix_trunc,
13226 earlyclobber operands[0].
13228 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13230 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13231 creating new registers.
13233 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13235 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13236 i386_reg_alloc_order, i386_regparm_string,
13237 i386_align_loops_string, i386_align_jumps_string,
13238 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13239 and i386_branch_cost_string as type "const char *".
13240 * i386.c: Define all above strings as type "const char *".
13242 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13244 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13245 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13247 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13249 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13250 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13252 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13254 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13255 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13256 (dwarf2out_line, dwarf2out_finish): Likewise.
13257 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13259 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13261 * tree.c (lang_unsave_expr_now) : Correct return type.
13262 * tree.h (lang_unsave_expr_now) : Same.
13264 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13266 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13267 instead of duplicating code.
13269 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13271 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13273 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13275 * tree.h: fancy_abort always takes three args.
13276 * resource.c: Move include of system.h before toplev.h.
13278 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13280 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13283 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13285 * system.h: Don't redefine abort or trim_filename.
13286 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13287 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13288 whether or not __FUNCTION__ is available.
13289 * tree.h: Duplicate rtl.h's definition of abort, for files
13290 that don't include rtl.h. Delete all code to perform type
13291 checking with a compiler other than GCC.
13292 * varray.h: Delete all code to perform type checking with a
13293 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13294 its arguments exactly once, using a statement expression.
13295 Adjust the VARRAY_<type> accessor macros to match.
13296 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13297 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13298 caller's location. Define fatal_insn and fatal_insn_not_found
13299 as macros that use _fatal_insn and _fatal_insn_not_found.
13300 (fancy_abort, trim_filename): Kill prototypes.
13302 * rtl.c (trim_filename): Move here from toplev.c.
13303 (fancy_abort): New function.
13304 (DIR_SEPARATOR): Provide default definition.
13305 * tree.c (tree_check_failed, tree_class_check_failed): Go
13306 through fancy_abort.
13307 (tree_check, tree_class_check, cst_or_constructor_check,
13308 expr_check): Delete.
13309 * varray.c (varray_check_failed): New function.
13310 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13311 _fatal_insn and _fatal_insn_not_found. Go through
13313 (trim_filename, fancy_abort): Delete.
13315 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13316 * except.c (start_catch_handler): Report ICE with error/abort
13318 * final.c (output_operand_lossage): Likewise.
13319 * flow.c (verify_flow_info): Likewise.
13321 * gcc.c: Prototype fatal.
13322 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13323 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13324 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13325 Don't define fancy_abort.
13327 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13329 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13332 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13334 * m88k.h (VERSION_INFO2): Kill.
13335 (VERSION_STRING): Kill.
13337 (VERSION_INFO1): Tidy.
13338 (TARGET_VERSION): Update.
13339 * m88k/dgux.h (VERSION_INFO2): Kill.
13340 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13341 * m88k/luna.h (VERSION_INFO1): Tidy.
13342 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13343 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13344 (output_file_start): Adjust for death of VERSION_STRING.
13346 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13348 * cpplib.c (detect_if_not_defined): New function.
13349 (do_if): Use it to detect potential once-only headers.
13351 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13353 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13355 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13357 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13358 anywere in the function only if they are pseudos and set before
13359 being used (not live at the start of the function).
13360 (num_sign_bit_copies) : Same.
13361 (get_last_value_validate) : Same.
13362 (get_last_value) : Same.
13364 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13366 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13367 where N and M are constant and N is an integer multiple of M.
13369 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13371 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13372 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13373 sbitmap_union_of_preds): Add prototypes.
13374 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13375 the intersection of successors with the new flow graph structures.
13376 (sbitmap_intersection_of_preds): New function to compute the
13377 intersection of predecessors with the new flow graph structures.
13378 (sbitmap_union_of_succs): New function to compute the union of
13379 successors with the new flow graph structures.
13380 (sbitmap_union_of_preds): New function to compute the union of
13381 predecessors with the new flow graph structures.
13382 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13383 (expr_reaches_here_p): Use edge and basic_block structures instead
13384 of s_preds and s_succs.
13385 (compute_cprop_avinout): Use new sbitmap routines.
13386 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13387 of s_preds and s_succs.
13388 * flow.c (compute_flow_dominators): Compute dominators using
13389 edges and basic blocks instead of s_preds and s_succs.
13391 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13393 * lists.c (unused_insn_list, unused_expr_list): New file for
13394 maintaining various types of lists. New statics for maintaining a
13395 cache of available INSN_LIST and EXPR_LIST nodes.
13396 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13397 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13398 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13399 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13400 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13401 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13402 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13403 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13404 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13405 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13406 (remove_dependence, free_pending_lists): Use new global routines.
13407 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13408 (sched_analyze, compute_block_backward_dependences): Use new routines.
13409 (sched_analyze_1, sched_analyze_2): Use new routines.
13410 (schedule_insns): Use new global routines.
13411 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13413 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13414 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13416 * toplev.c (rest_of_compilation): Initialize node cache.
13417 * Makefile.in (OBJS): Add lists.o to list of object files.
13418 (lists.o): Add dependancies.
13420 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13422 * config/v850/v850.md: Fix compile time warning messages.
13423 * config/v850/v850.c: Fix compile time warning messages.
13424 * config/v850/v850.h: Fix compile time warning messages.
13426 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13428 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13429 Remove unused prototype for `init_lengths'.
13431 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13433 * calls.c (emit_call_1): Mark parameter `stack_size' with
13435 (expand_call): Initialize variable `insn'.
13436 (emit_library_call): Likewise for variable `high_to_save'.
13437 (emit_library_call_value): Likewise.
13438 (store_one_arg): Likewise for variables `lower_bound' and
13441 * combine.c (try_combine): Likewise for variables `i2_code_number'
13442 and `other_code_number'.
13443 (find_split_point): Likewise for variables `pos', `unsignedp' and
13445 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13446 (simplify_and_const_int): Remove unused variable `width'.
13447 (merge_outer_ops): Likewise.
13449 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13450 HOST_WIDE_INT' when comparing against one.
13451 (simplify_relational_operation): Likewise.
13452 (cse_insn): Initialize variables `src_eqv_volatile',
13453 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13455 * final.c (init_final): Constify parameter `filename'.
13456 (final_start_function): Mark parameter `optimize' with
13458 (profile_function): Likewise for parameters `first' and `optimize'.
13459 (output_source_line): Likewise for parameter `file'.
13461 * integrate.c (subst_constants): Cast a value to `size_t' when
13462 comparing against one.
13463 (mark_stores): Initialize variable `mode'. Cast a value to
13464 `size_t' when comparing against one.
13466 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13468 * loop.c (move_movables): Initialize variable `first'.
13469 (strength_reduce): Likewise for variable `increment'.
13470 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13471 value to `size_t' when comparing against one.
13472 (load_mems): Initialize variable `end_label'.
13474 * output.h (init_final): Constify parameter.
13476 * reload.c (decompose): Initialize variable `base'.
13478 * reload1.c (reload): Likewise for variable `is_scalar'.
13479 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13480 (choose_reload_regs): Initialize variable `mode'.
13481 (emit_reload_insns): Likewise for variable `store_insn'.
13482 (reload_cse_noop_set_p): Mark parameter `insn' with
13484 (reload_combine): Initialize variable `set'.
13486 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13487 (copy_loop_body): Cast a value to `size_t' when comparing against
13490 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13491 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13492 (remove_from_pending_weak_list): Mark parameter `name' with
13495 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13497 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13500 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13502 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13503 (ASM_DECLARE_FUNCTION_NAME): Define.
13504 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13505 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13506 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13507 not already defined.
13509 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13511 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13512 of n_popped when call/call_value are not defined.
13514 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13516 * tm.texi: GNU CC -> GCC conversion.
13517 (CC1_SPEC): Indicate it is used for all language front ends.
13519 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13521 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13522 NOTE_INSN_EH_REGION_END correctly.
13524 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13525 Jeff Law <law@cygnus.com>
13527 * loop.c (strength_reduce): Automatically unroll loops if the
13528 unrolled loop size is smaller than the rolled loop size.
13530 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13531 and delete comment that code should be rewritten.
13533 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13535 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13538 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13540 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13542 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13543 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13544 (LINK_SPEC): Add -u _main when building executables.
13545 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13546 (ASM_FILE_END): Use the default for ix86-pe.
13547 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13549 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13551 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13552 and ASM_CLOSE_PAREN are empty strings.
13554 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13555 Geoffrey Keating <geoffk@cygnus.com>
13557 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13558 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13559 (unprotoize.o): Ditto.
13560 (test-protoize-simple): Don't define STD_PROTO_DIR.
13561 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13562 changes to make 'test-protoize-simple' pass.
13563 (STD_PROTO_DIR): Remove define.
13564 (STANDARD_EXEC_PREFIX): Supply default define.
13565 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13566 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13567 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13568 (GET_ENV_PATH_LIST): New macro.
13569 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13570 (do_processing): Initialize default_syscalls_dir using new
13571 macros. Use it to initialize syscalls_absolute_filename.
13573 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13575 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13576 B into a register before emit_conditional_move.
13578 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13580 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13581 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13582 multiplicand out of (+ (* a b) (* c d)).
13584 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13585 Richard Henderson <rth@cygnus.com>
13587 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13588 (new_insn_dead_notes): Likewise.
13589 (update_n_sets): Likewise.
13590 (update_flow_info): Move to flow.c, renamed to update_life_info;
13591 extend to handle multiple source insns.
13592 * flow.c: Include resource.h
13593 (unlink_insn_chain): New.
13594 (split_hard_reg_notes): New.
13595 (maybe_add_dead_note): New.
13596 (maybe_add_dead_note_use): New.
13597 (find_insn_with_note): New.
13598 (new_insn_dead_notes): New.
13599 (update_n_sets): New.
13600 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13601 (maybe_remove_dead_notes): New.
13602 (update_life_info): New.
13603 (prepend_reg_notes): New.
13604 (replace_insns): New.
13605 * output.h (update_life_info): Declare.
13606 * recog.c (split_block_insns): Use update_life_info.
13607 * resource.c (find_free_register): Use reg_alloc_order, don't use
13608 fixed regs, make sure the mode is supported, don't use new regs.
13610 * rtl.h (replace_insns): Declare.
13612 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13614 * expr.c (expand_expr): Cope with COND_EXPRs with one
13615 non-returning branch.
13617 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13619 * expr.c (store_expr): Always pass down the target, even when not
13622 1999-08-24 Nick Clifton <nickc@cygnus.com>
13624 * configure.in: Define target_cpu_default for v850 targets.
13625 * configure: Regenerate
13627 * config/v850/v850.h (TARGET_CPU_generic): Define.
13628 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13629 addresses are 4 byte aligned.
13631 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13634 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13636 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13637 (main): Add prototypes.
13639 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13640 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13641 (write_attr_get): Emit prototypes along with function definition.
13642 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13643 (write_complex_function): Emit static prototype along with
13644 function definition.
13646 * genemit.c (gen_split): Emit prototypes along with function
13649 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13650 Likewise for predicates and `insn_operand_predicate'.
13651 (process_template): Emit static prototype along with function
13654 * genrecog.c (make_insn_sequence): Constify a char*. Add
13655 prototypes for get_split_*().
13656 (write_subroutine): Emit prototypes along with function
13659 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13661 * gcse.c (find_avail_set): Follow chains of register-register copies.
13662 Use oprs_not_set_p to guarantee that the returned value can be
13664 (cprop_insn): Don't verify the return value of find_avail_set with
13667 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13668 (cprop_cc0_jump): New function.
13669 (cprop_insn): Break out new function cprop_jump and use it.
13670 Also use cprop_cc0_jump for machines with CC0.
13671 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13673 * tree.h (current_function_calls_setjmp,
13674 current_function_calls_longjmp): Delete declarations.
13675 * dsp16xx.c: Include "function.h".
13676 * elxsi.c: Likewise.
13677 * gmicro.c: Likewise.
13678 * h8300.c: Likewise.
13679 * i370.c: Likewise.
13680 * m32r.c: Likewise.
13681 * mn10200.c: Likewise.
13682 * mn10300.c: Likewise.
13683 * ns32k.c: Likewise.
13684 * spur.c: Likewise.
13685 * v850.c: Likewise.
13687 * rtl.h (rtx_equal_function_value_matters): Declare.
13688 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13690 * function.c: Likewise.
13691 * emit-rtl.c: Likewise.
13693 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13695 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13698 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13700 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13703 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13705 * cpp.texi: Add a node documenting macro varargs (copied
13708 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13710 * cppspec.c: Put a null pointer at the end of the new argv.
13712 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13714 * configure.in: Remove code to select/de-select the haifa
13715 scheduler. Every scheduled port gets haifa now.
13716 * configure: Rebuilt.
13717 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13719 * Makefile.in: Corresponding changes.
13721 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13723 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13724 All callers changed.
13725 (prepare_float_lib_cmp): Likewise.
13726 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13727 * expr.h (emit_float_lib_cmp): Delete declaration.
13728 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13729 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13730 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13732 (cmptf): Now conditional on TARGET_HARD_QUAD.
13734 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13736 * resource.c (mark_target_live_regs): Use
13737 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13739 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13741 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13743 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13745 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13747 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * rtl.h (rtx_format): Constify a char*.
13751 * rtl.c (rtx_format): Likewise.
13752 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13753 (init_rtl): Use accessor macro, not `rtx_format'.
13755 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
13758 * caller-save.c (mark_referenced_regs): Likewise.
13760 * combine.c (subst, make_compound_operation, known_cond,
13761 gen_rtx_combine, update_table_tick, get_last_value_validate,
13762 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
13764 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
13765 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
13766 count_reg_usage): Likewise.
13768 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
13771 * final.c (leaf_renumber_regs_insn): Likewise.
13773 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
13774 dump_edge_info, count_reg_references): Likewise.
13776 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
13777 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
13780 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
13781 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
13782 add_label_notes): Likewise.
13784 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
13785 clear_struct_flag, count_sub_rtxs, count_alternatives,
13786 compares_alternatives_p, contained_in_p, walk_attr_value,
13787 write_expr_attr_cache): Likewise.
13789 * genconfig.c (walk_insn_part): Likewise.
13791 * genemit.c (max_operand_1, gen_exp): Likewise.
13793 * genextract.c (walk_rtx): Likewise.
13795 * genflags.c (num_operands): Likewise.
13797 * genoutput.c (scan_operands): Likewise.
13799 * genpeep.c (match_rtx): Likewise.
13801 * genrecog.c (add_to_sequence): Likewise.
13803 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
13806 * integrate.c (save_constants, copy_for_inline,
13807 copy_rtx_and_substitute, subst_constants, restore_constants):
13810 * jump.c (mark_jump_label, invert_exp, redirect_exp,
13811 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
13813 * local-alloc.c (contains_replace_regs, memref_referenced_p):
13816 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
13817 add_label_notes, replace_call_address, count_nonfixed_reads,
13818 invariant_p, find_single_use_in_loop, find_mem_givs,
13819 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
13822 * print-rtl.c (reg_names, print_rtx): Likewise.
13824 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
13826 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
13827 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
13828 print_blocks): Likewise.
13830 * regclass.c (fix_register, record_address_regs,
13831 reg_scan_mark_refs): Likewise.
13833 * regmove.c (stable_but_for_p): Likewise.
13835 * reload.c (loc_mentioned_in_p, operands_match_p,
13836 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
13837 copy_replacements, refers_to_regno_for_reload_p,
13838 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
13839 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
13842 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
13843 delete_address_reloads_1, count_occurrences,
13844 reload_cse_mem_conflict_p, reload_combine_note_use,
13845 add_auto_inc_notes): Likewise.
13847 * resource.c (mark_referenced_resources, mark_set_resources):
13850 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
13851 reg_mentioned_p, regs_set_between_p, modified_between_p,
13852 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
13853 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
13854 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
13855 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
13857 * sched.c (sched_analyze_2, attach_deaths): Likewise.
13859 * stupid.c (stupid_mark_refs): Likewise.
13861 * unroll.c (remap_split_bivs): Likewise.
13863 * varasm.c (mark_constants): Likewise.
13865 * a29k/a29k.c (uses_local_reg_p): Likewise.
13867 * alpha/alpha.c (summarize_insn): Likewise.
13869 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
13870 eliminate_lr2ip): Likewise.
13872 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
13874 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
13875 reg_mentioned_in_mem): Likewise.
13877 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
13878 symbolic_reference_mentioned_p): Likewise.
13880 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
13882 * sh/sh.c (regs_used, mark_use): Likewise.
13884 * vax/vax.c (vax_rtx_cost): Likewise.
13886 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13888 * machmode.h (mode_name): Constify a char*.
13890 * rtl.c (mode_name): Likewise.
13892 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
13894 * optabs.c (init_libfuncs): Constify a char*.
13896 * print-tree.c (mode_name): Remove redundant declaration.
13897 (print_node): Use accessor macro, not `mode_name'.
13899 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
13901 (new_spill_reg): Constify a char*.
13903 * tree.c (mode_name): Remove redundant declaration.
13905 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13907 * rtl.c (rtx_name): Constify a char*.
13909 * rtl.h (rtx_name, fix_sched_param): Likewise.
13911 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
13912 (mypr): Use accessor macro, not `rtx_name'.
13914 * genemit.c (print_code): Constify a char*.
13916 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
13918 * genpeep.c (print_code): Constify a char*.
13920 * genrecog.c (print_code): Likewise.
13922 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
13923 end_bb): Add static prototype.
13924 (draw_edge): Constify a char*.
13925 (end_bb): Remove unused parameter.
13927 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
13928 print_block_visualization): Constify a char*.
13930 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
13932 * c-common.c (c_get_alias_set): Update comment.
13934 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13936 * linux.h (LIB_SPEC): Added.
13938 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13940 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
13942 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
13944 * tree.c (expr_check): Fix typo in last change.
13946 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
13948 * rtl.def (NOTE): Change format to "iuu0n".
13949 (ADDR_DIFF_VEC): Change format to "eEee0".
13950 (ADDRESSOF): Change format to "eit".
13952 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
13953 (RTVEC_ELT): Change to match.
13954 (XVECEXP): Use XVEC and RTVEC_ELT.
13955 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
13956 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
13957 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
13958 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
13959 TRAP_CONDITION, TRAP_CODE): Use XEXP.
13960 (INTVAL): Use XWINT.
13961 (ADDRESSOF_DECL): Use XTREE.
13962 (SET_ADDRESSOF_DECL): Delete.
13963 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
13964 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
13965 ifdefed out since 2.6 at least.
13966 (gen_rtvec_vv): Delete prototype.
13968 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
13970 (copy_most_rtx): Handle 't' format letter.
13971 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
13972 (gen_rtvec_vv): Delete function. All callers changed to use
13973 gen_rtvec_v instead.
13974 * print-rtl.c (print_rtx): Move special casing of NOTEs to
13975 the '0' format letter.
13977 * function.c (gen_mem_addressof): Don't use
13978 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
13980 * integrate.c (copy_rtx_and_substitute): Likewise.
13981 Copy 't' slots with XTREE.
13982 (subst_constants): Treat 't' slots like '[swi]' slots.
13983 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
13984 * jump.c (rtx_equal_for_thread_p): Likewise.
13985 * rtlanal.c (rtx_equal_p): Likewise.
13986 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
13987 only four arguments.
13988 * gengenrtl.c (type_from_format): Provide correct types for
13992 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
13993 If a recent gcc is in use (always in stage2 and beyond), use
13994 statement expressions, so we don't make a function call unless
13995 the check fails. Evaluate arguments exactly once.
13996 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
13997 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
13999 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14000 they evaluate their arguments exactly once, irrespective of
14001 the compiler in use.
14003 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14004 is used by the currently-enabled check macros. This is:
14005 (tree_check_failed, tree_class_check_failed): For gcc.
14006 (tree_check, tree_class_check, cst_or_constructor_check,
14007 expr_check): For other compilers.
14009 * gencheck.c: Do not define any *_CHECK1 macros.
14011 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14012 Mark Mitchell <mark@codesourcery.com>
14014 * c-common.c (c_get_alias_set): Fix support for poitners and
14017 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14019 * alias.c: Include tree.h.
14020 (nonlocal_reference_p, mark_constant_function): New functions.
14021 * flow.c (life_analysis): Call mark_constant_function.
14022 * rtl.h (mark_constant_function): Declare it.
14024 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14026 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14027 unrecognisable switches.
14029 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14031 * loop.c (recombine_givs): Set ix field after sorting.
14032 (recombine_givs): Remove bogus index / giv lockstep looping.
14034 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14036 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14038 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14039 (do_cmp_and_jump): Formatting fixes.
14040 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14041 do_compare_rtx_and_jump instead of compare_from_rtx.
14042 (do_compare_rtx_and_jump): New function; mostly copied from
14044 (do_jump_for_compare): Delete.
14045 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14047 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14048 of compare/do_jump_for_compare pairs.
14049 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14050 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14051 compare_from_rtx/do_jump_for_compare pairs.
14052 (do_jump_by_parts_equality): Likewise.
14053 (do_jump_by_parts_equality_rtx): Likewise.
14054 * expr.h (do_compare_rtx_and_jump): Declare.
14055 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14056 that used to be in emit_cmp_insn.
14057 (cmp_available_p): New function.
14058 (prepare_operand): New function.
14059 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14060 to be in emit_cmp_insn.
14061 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14062 parameters to be pointers; don't emit final compare but modify some of
14063 the values pointed to by the args so the caller can perform the
14064 correct comparison.
14065 (expand_binop): Call emit_store_flag_force with signed forms of
14067 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14068 emit_jump_insn pair.
14069 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14070 emit_cmp_and_jump_insn_1. Call emit_queue.
14071 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14073 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14074 jump sets cc0 before deleting it.
14075 * integrate.c (expand_inline_function): Likewise.
14076 * unroll.c (unroll_loop): Similar changes in several places.
14077 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14078 before deleting it.
14080 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14082 * Makefile.in (insn-recog.o): Update dependencies.
14083 * genrecog.c (main): Make generated file include "function.h".
14085 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14087 * cse.c (cse_insn): Call never_reached_warning when a jump is
14088 changed to be unconditional.
14089 * flags.h: Declare warn_notreached.
14090 * flow.c (delete_block): Call never_reached_warning when
14091 a block is deleted.
14092 * jump.c (delete_barrier_successors): Call never_reached_warning
14093 when we delete everything after a BARRIER.
14094 (never_reached_warning): New function.
14095 * rtl.h: Declare never_reached_warning.
14096 * toplev.c (warn_notreached): New variable.
14097 (lang_independent_options): Set warn_notreached
14098 when -Wunreachable-code.
14099 (compile_file): We need line numbers for -Wunreachable-code.
14101 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14103 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14104 * sched.c (insn_unit): Likewise.
14106 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14108 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14110 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14112 * flow.c (create_edge_list): Use xmalloc, not malloc.
14114 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14116 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14117 C-style comments. Do not lose the character before double slash.
14119 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14121 * basic-block.h (struct edge_list): Stucture to maintain a vector
14123 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14124 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14125 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14126 New function prototypes.
14127 * flow.c (create_edge_list): Function to create an edge list.
14128 (free_edge_list): Discards memory used by an edge list.
14129 (print_edge_list): Debug output showing an edge list.
14130 (verify_edge_list): Internal consistency check for an edge list.
14131 (find_edge_index): Function to find an edge index for a pred and succ.
14133 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14135 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14138 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14140 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14142 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14144 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14146 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14148 * toplev.c (rest_of_compilation): Allow machine dependent
14149 reorganisation pass to place information into the RTL dump
14150 file if it so wishes.
14152 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14154 * explow.c (hard_function_value): Use VOIDmode instead of
14156 * stmt.c (expand_return): Likewise.
14157 * stor-layout.c (get_best_mode): Likewise.
14159 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14160 emit call instead of emit_insn call.
14162 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14164 * configure.in: Handle --disable/enable-win32-registry.
14165 * install.texi: Document --disable/enable-win32-registry.
14166 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14167 (WIN32_REGISTRY_KEY): New macro.
14168 * prefix.c: Use to enable/disable win32-specific code.
14169 (lookup_key): Use versioned key.
14170 * configure: Regenerate.
14171 * config.in: Likewise.
14173 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14175 * cpplib.c (read_line_number): New fn, split out of...
14178 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14180 tree.c (lang_unsave_expr_now) : New.
14181 (unsave_expr_now): Call lang_unsave_expr_now.
14182 tree.h (lang_unsave_expr_now) : New.
14184 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14186 * toplev.c (flag_new_exceptions): On by default.
14188 1999-08-13 Michael Meissner <meissner@cygnus.com>
14190 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14192 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14194 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14195 INTEGER_TYPE with precision==1, it's __java_boolean.
14197 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14199 * global.c (prune_preferences): Move some invariants out of the
14202 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14204 * configure.in (alpha*-dec-osf*): Add osf5.
14206 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14208 * configure.in: Rework handling of ARM GNU/Linux slightly.
14209 (arm*-*-linux-gnuoldld): New target.
14210 * configure: Regenerate.
14211 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14212 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14213 * config/arm/linux-oldld.h: New file.
14214 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14215 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14217 * config/arm/linux-elf.h (ASM_SPEC): Define.
14218 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14219 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14220 for 26-bit APCS and old linker.
14221 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14223 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14224 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14225 don't define `arm' or `arm_elf'.
14226 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14227 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14229 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14231 * rtl.texi: Fix typo.
14233 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14235 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14237 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14239 * extend.texi (C++ Signatures): Remove node.
14240 * invoke.texi: Remove discussion of -fhandle-signatures,
14241 signature, sigof, __signature__, and __sigof__.
14243 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14245 * Makefile.in (JAVAGC): Removed.
14247 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14249 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14251 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14253 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14255 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14257 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14258 a register that is already known to be a pointer.
14260 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14262 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14263 * fixinc/inclhack.sh: Regenerated.
14264 * fixinc/fixincl.sh: Regenerated.
14266 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14268 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14269 Fix documentation of -ansi flag to describe its C++ behavior.
14270 Remove bogus reference to GCC 2.9.
14272 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14274 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14275 note if it is non-NULL.
14277 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14279 * except.h (eh_nesting_info): Add new structure defintion.
14280 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14281 (reachable_handlers, update_rethrow_references): Add function
14283 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14284 a rethrow symbol instead of an integer exception region number.
14285 * flow.c (Make_edges): Use new exception nesting routines to determine
14286 which handlers are reachable from a CALL or asynchronous insn.
14287 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14289 (delete_eh_regions): Update rethrow labels, and don't delete
14290 regions which are the target of a rethrow.
14291 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14292 avoid overloading the SYMBOL_REF_USED flag.
14293 (rethrow_symbol_map): Use new rethrow_ref field.
14294 (rethrow_used): Use new rethrow_ref field.
14295 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14296 of an integer. Fix formatting.
14297 (output_exception_table_entry): Use new rethrow_ref field.
14298 (can_throw): Check for EH_REGION_NOTE before deciding
14299 whether a CALL can throw or not.
14300 (scan_region): Call rethrow_used() instead of accessing data structure.
14301 (update_rethrow_references): New function to make sure only regions
14302 which are still targets of a rethrow are flagged as such.
14303 (process_nestinfo): New static function to initialize a handler
14304 list for a specific region.
14305 (init_eh_nesting_info): New function to allocate and initialize
14306 the list of all EH handlers reachable from all regions.
14307 (reachable_handlers): New function to retrieve the list of handlers
14308 reachable from a specific region and insn.
14309 (free_eh_nesting_info): New function to dispose of a list of
14310 reachable handlers.
14312 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14314 * flow.c (split_edge): Set JUMP_LABEL field.
14315 (commit_one_edge_insertion): Set head correctly for insert_before.
14316 When inserting insns, update insn block numbers if allocated.
14318 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14320 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14321 retry_incomplete_types): Add static prototype.
14322 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14323 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14324 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14325 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14326 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14329 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14330 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14332 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14334 * output.h (assemble_name): Constify a char*.
14336 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14337 assemble_variable, assemble_name): Likewise.
14339 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14341 * arm/pe.c (arm_pe_unique_section): Likewise.
14343 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14345 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14347 * i386/interix.c (i386_pe_unique_section): Likewise.
14349 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14351 * i386/winnt.c (i386_pe_unique_section): Likewise.
14353 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14355 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14357 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14359 * pa/pa.c (output_call): Likewise.
14361 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14363 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14365 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14368 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14371 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14373 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14374 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14376 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14378 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14380 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14382 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14384 * tree.h (lang_identify): Constify a char*.
14385 (print_error_function): Add extern prototype. Constify a char*.
14387 * c-lang.c (lang_identify): Constify a char*.
14389 * objc/objc-act.c (lang_identify): Constify a char*.
14391 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14393 * genpeep.c (main): Make generated file include "function.h".
14394 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14396 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14398 * Makefile.in: Update dependencies.
14399 * alias.c: Include "function.h"
14400 * c-decl.c: Likewise.
14401 * caller-save.c: Likewise.
14402 * calls.c: Likewise.
14403 * combine.c: Likewise.
14405 * explow.c: Likewise.
14406 * final.c: Likewise.
14407 * global.c: Likewise.
14408 * graph.c: Likewise.
14409 * local-alloc.c: Likewise.
14410 * loop.c: Likewise.
14411 * optabs.c: Likewise.
14412 * profile.c: Likewise.
14413 * recog.c: Likewise.
14414 * regclass.c: Likewise.
14415 * regmove.c: Likewise.
14416 * reload.c: Likewise.
14417 * reorg.c: Likewise.
14418 * resource.c: Likewise.
14419 * sched.c: Likewise.
14420 * stupid.c: Likewise.
14421 * config/1750a/1750a.c: Likewise.
14422 * config/a29k/a29k.c: Likewise.
14423 * config/arc/arc.c: Likewise.
14424 * config/arm/arm.c: Likewise.
14425 * config/arm/thumb.c: Likewise.
14426 * config/c4x/c4x.c: Likewise.
14427 * config/clipper/clipper.c: Likewise.
14428 * config/convex/convex.c: Likewise.
14429 * config/fx80/fx80.c: Likewise.
14430 * config/i860/i860.c: Likewise.
14431 * config/m68k/m68k.c: Likewise.
14432 * config/m88k/m88k.c: Likewise.
14433 * config/mips/mips.c: Likewise.
14434 * config/pdp11/pdp11.c: Likewise.
14435 * config/pyr/pyr.c: Likewise.
14436 * config/romp/romp.c: Likewise.
14437 * config/sh/sh.c: Likewise.
14438 * config/tahoe/tahoe.c: Likewise.
14439 * config/vax/vax.c: Likewise.
14440 * config/we32k/we32k.c: Likewise.
14441 * config/sparc/sparc.c: Include "function.h".
14442 (mem_min_alignment): Test current_function rather than
14443 regno_pointer_align.
14444 * config/pa/pa.c: Likewise.
14445 (compute_frame_size): Delete declaration of
14446 current_function_outgoing_args_size.
14447 * config/arc/arc.h (current_function_varargs): Delete declaration.
14448 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14450 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14452 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14453 current_function_uses_pic_offset_table.
14454 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14455 of current_function_returns_pointer.
14456 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14457 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14458 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14459 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14460 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14461 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14462 * config/m88k/m88k.c: Include "function.h"
14463 (call_used_regs, current_function_pretend_args_size,
14464 current_function_outgoing_args_size, frame_pointer_needed): Delete
14466 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14468 * config/mips/mips.h (current_function_calls_alloca): Delete
14470 * config/mn10200/mn10200.h (current_function_needs_context,
14471 rtx_equal_function_value_matters): Delete declarations.
14472 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14473 flag_pic): Delete declarations.
14474 * config/pa/pa.h (current_function_pretend_args_size,
14475 current_function_decl): Delete declarations.
14476 * config/pa/som.h (current_function_varargs): Delete declaration.
14477 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14479 * config/pyr/pyr.h (current_function_pretend_args_size,
14480 current_function_args_size, current_function_calls_alloca): Delete
14482 * config/sh/sh.h (current_function_varargs): Delete declaration.
14483 * config/sparc/sparc.h (current_function_outgoing_args_size,
14484 current_function_calls_alloca, current_function_decl): Delete
14486 * config/spur/spur.h (current_function_pretend_args_size,
14487 current_function_calls_alloca): Delete declarations.
14488 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14490 * config/vax/vms.h (current_function_name): Delete declaration.
14491 * gcse.c: Include "function.h".
14492 (current_function_name, current_function_calls_setjmp): Delete
14494 * haifa-sched.c: Include "function.h".
14495 (forced_labels): Delete declaration.
14496 * jump.c: Likewise.
14497 * reg-stack.c: Likewise.
14498 * reload1.c: Likewise.
14499 * genemit.c (main): Make generated file include function.h.
14500 * genoutput.c (output_prologue): Likewise.
14502 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14503 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14504 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14505 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14506 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14507 macros for some of them.
14508 (emit_filename, emit_lineno): Delete declarations.
14509 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14510 regno_pointer_* variables through current_function.
14511 (gen_inline_header_rtx): Delete function.
14512 (save_emit_status): Delete function.
14513 (set_new_last_label_num): New function.
14514 (clear_emit_caches): New function.
14515 (restore_emit_status): Just clear last_labelnum and call
14517 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14518 through macro seq_stack.
14519 (add_insn_after): Likewise.
14520 (add_insn_before): Likewise.
14521 (remove_insn): Likewise.
14522 (pop_topmost_sequence): Likewise.
14523 (in_sequence_p): Likewise.
14524 (start_sequence_for_rtl_expr): Likewise.
14525 (start_sequence): Likewise, and likewise for
14526 sequence_rtl_expr/seq_rtl_expr.
14527 (push_topmost_sequence): Likewise.
14528 (end_sequence): Likewise.
14529 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14530 All callers changed. Store into that pointer instead of globals.
14531 (init_emit): Allocate emit elt of current_function.
14532 Changes for sequence_rtl_expr/sequence_stack renaming.
14533 Call clear_emit_caches instead of doing it in-line.
14534 Access regno_pointer_* variables through current_function.
14535 (init_emit_once) Don't clear sequence_stack.
14537 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14539 (arg_pointer_save_area): Delete declaration.
14540 (finish_expr_for_function): Renamed from init_queue; no longer static.
14541 (init_expr): Don't call init_queue.
14542 (save_expr_status, restore_expr_status): Delete functions.
14543 (expand_expr): Changes to reflect new layout of struct function.
14544 Don't access current_function_check_memory_usage when current_function
14546 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14547 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14548 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14549 current_function_uses_const_pool, function_call_count,
14550 current_function_uses_pic_offset_table, nonlocal_labels,
14551 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14552 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14553 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14555 (finish_expr_for_function): Declare.
14556 * flags.h (current_function_has_nonlocal_label,
14557 current_function_has_nonlocal_goto, current_function_is_thunk,
14558 current_function_has_computed_jump): Delete declarations.
14559 * flow.c (forced_labels): Delete declaration.
14560 * function.c (current_function_pops_args,
14561 current_function_returns_struct, current_function_returns_pcc_struct,
14562 current_function_needs_context, current_function_calls_setjmp,
14563 current_function_calls_longjmp, current_function_has_nonlocal_label,
14564 current_function_has_nonlocal_goto, current_function_is_thunk,
14565 current_function_has_computed_jump, current_function_calls_alloca,
14566 current_function_contains_functions, current_function_returns_pointer,
14567 current_function_epilogue_delay_list, current_function_args_size,
14568 current_function_pretend_args_size, current_function_arg_offset_rtx,
14569 current_function_outgoing_args_size, current_function_varargs,
14570 current_function_stdarg, current_function_args_info, cleanup_label,
14571 current_function_name, current_function_uses_const_pool,
14572 current_function_instrument_entry_exit, current_function_return_rtx,
14573 current_function_uses_pic_offset_table, nonlocal_labels,
14574 current_function_internal_arg_pointer, current_function_cannot_inline,
14575 current_function_check_memory_usage, function_call_count,
14576 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14577 nonlocal_goto_stack_level, return_label, save_expr_regs,
14578 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14579 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14580 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14581 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14582 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14584 (push_function_context_to): Don't save them. Don't call
14585 save_storage_status, save_emit_status or save_expr_status.
14586 (pop_function_context_from): Don't restore them. Don't call
14587 restore_storage_status or restore_expr_status.
14588 (get_func_frame_size): New function.
14589 (get_frame_size): Use it.
14590 (assign_outer_stack_local): Reflect some member name changes in struct
14592 (put_reg_into_stack): Likewise.
14593 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14595 (fixup_var_refs): Likewise.
14596 (fix_lexical_addr): Likewise.
14597 (trampoline_address): Likewise.
14598 (prepare_function_start): Clear field inlinable of current_function.
14599 (init_function_for_compilation): New function.
14600 (expand_dummy_function_end): New function.
14601 (expand_function_end): Call finish_expr_for_function.
14602 * function.h (struct emit_status): New; fields moved here from struct
14603 function and from global variables. Add accessor macros for some of
14605 (struct expr_status): Likewise.
14606 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14607 (struct function): Add fields expr and emit, inlinable, inl_emit,
14608 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14609 inl_max_label_num. Add many comments.
14610 Add accessor macros for all elts of struct function that no longer
14611 have a global variable.
14612 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14613 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14614 stack_slot_list): Delete declarations.
14615 (get_func_frame_size): Declare.
14616 (save_expr_status, restore_expr_status, save_emit_status,
14617 save_storage_status, restore_storage_status): Delete declarations.
14618 (init_virtual_regs): Declare.
14619 * output.h (current_function_pops_args,
14620 current_function_returns_struct, current_function_returns_pcc_struct,
14621 current_function_needs_context, current_function_calls_setjmp,
14622 current_function_calls_longjmp, current_function_calls_alloca,
14623 current_function_has_nonlocal_label, current_function_varargs,
14624 current_function_has_computed_jump, current_function_returns_pointer,
14625 current_function_contains_functions, current_function_args_size,
14626 current_function_pretend_args_size, current_function_stdarg,
14627 current_function_outgoing_args_size, current_function_args_info,
14628 current_function_name, current_function_return_rtx,
14629 current_function_epilogue_delay_list,
14630 current_function_uses_const_pool, current_function_cannot_inline):
14631 Delete declarations.
14632 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14633 regno_reg_rtx): Delete declaration.
14634 (REGNO_POINTER_FLAG): Delete macro.
14635 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14636 function were renamed.
14637 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14639 * toplev.c: Include "function.h".
14640 (current_function_decl): Delete declaration.
14641 (compile_file): Call init_dummy_function_start and
14642 expand_dummy_function_end around some initializations that need to
14644 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14645 Call init_function_for_compilation.
14646 * unroll.c: Include "function.h"
14647 (unroll_loop): Access regno_pointer_* variables through
14650 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14651 (DECL_SAVED_INSNS): use it.
14652 (expand_dummy_function_end): Declare.
14653 (init_function_for_compilation): Declare.
14654 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14655 that it's no longer an INLINE_HEADER.
14656 (expand_call): Likewise.
14657 * integrate.c (finish_inline): Delete function.
14658 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14659 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14660 args. Don't generate an INLINE_HEADER rtx, just return the arg
14661 vector. All callers changed.
14662 (save_for_inline_copying): Create a duplicate struct emit_status to
14663 hold the emit state for compiling the current function. Use this and
14664 the other new fields in struct function that are for integration
14665 instead of an INLINE_HEADER.
14666 Use memcpy instead of bcopy.
14667 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14668 (save_for_inline_nocopy): Similar changes, except no new emit_status
14670 (expand_inline_function): Get information from function structure,
14671 not from an inline header rtx.
14672 (output_inline_function): Lose code to extract the necessary
14673 information from an inline header; simply put back the function
14674 structure into current_function. Clear its inlinable elt.
14675 * rtl.def (INLINE_HEADER): Delete.
14676 * rtl.h: Delete all accessors for an INLINE_HEADER.
14677 (gen_inline_header_rtx): Delete declaration.
14678 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14679 Delete declarations.
14680 (REGNO_POINTER_ALIGN): Delete.
14681 (clear_emit_caches): Declare.
14682 (set_new_last_label_num): Declare.
14684 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14686 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14688 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14689 * stmt.c (is_eh_region): Make sure current_function is present, too.
14691 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14693 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14694 for 64bit PA targets.
14696 * pa.h (SELECT_SECTION): Define.
14697 * som.h (SELECT_SECTION): Delete.
14699 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14701 * alias.c (init_alias_analysis): Wrap call to
14702 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14704 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14706 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14707 <sys/asm.h> contains an asm comment with an apostrophe
14708 * fixinc/inclhack.sh: regen
14709 * fixinc/fixincl.x: regen
14711 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14713 * function.c (init_function_start): Clear prologue & epilogue.
14714 (prologue_epilogue_contains): New function.
14715 * alias.c (init_alias_analysis): Use it.
14716 * rtl.h (prologue_epilogue_contains): Declare it.
14718 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14720 * jump.c (onlyjump_p): New function.
14721 * rtl.h: Declare it.
14722 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14723 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14725 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14727 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14728 to invert loops. Simplify block scanning.
14730 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14732 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14733 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14735 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14737 * config/sparc/liteelf.h: New file to support sparclite-elf target
14738 * config/sparc/t-sp86x: New file to support sparc86x targets
14739 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14740 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14741 * configure.in: Support above target triplets
14742 * configure: Regenerated
14744 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14746 * fixinc/server.c (server_setup): Do not prefix function used as
14747 parameter with `&'.
14749 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14751 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14752 Remove fp reg alternatives.
14754 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
14756 * Makefile.in (TAROUTOPTS): Kill.
14757 (install-headers-tar): Use "xpf" for tar headerfile extraction
14758 * i370/x-oe (TAROUTOPTS): Delete.
14759 * m68k/x-apollo68 (TAROUTOPTS): Delete.
14760 * m68k/x-hp320 (TAROUTOPTS): Delete.
14761 * m68k/x-hp320g (TAROUTOPTS): Delete.
14762 * gcc.texi: Update bug reporting text.
14764 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14766 * reg-stack.c (change_stack) Fixed problem with negative array index.
14768 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
14770 * extend.texi, install.texi: Fix spelling mistakes.
14772 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
14773 (s-attrtab); No longer try to use pre-made insn-attrtab file.
14774 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
14775 PREMADE_ATTRTAB_MD.
14776 * mips/t-ecoff: Likewise.
14777 * mips/t-elf: Likewise.
14778 * mips/t-mips: Likewise.
14779 * mips/t-osfrose: Likewise.
14780 * mips/t-r3900: Likewise.
14781 * mips/t-svr3: Likewise.
14782 * mips/t-svr4: Likewise.
14783 * mips/t-ultrix: Likewise.
14785 * gcc.texi: Document recommend means to provide software floating
14786 point libraries in libgcc.a
14788 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
14790 * c-lex.c (yylex): We can have a number with no digits.
14792 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
14794 * jump.c (delete_prior_computation): New function, broken
14795 out of delete_computation. Check for side effects with
14796 side_effects_p instead of FIND_REG_INC_NOTE. Handle
14797 multi-word hard registers.
14798 (delete_computation): Use it. Check for side effects with
14799 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
14800 missing REG_DEAD note for a register which is both set and
14803 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
14805 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
14806 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
14807 (ASM_FILE_START): Import _mcount with the right type.
14808 (ASM_DECLARE_FUNCTION_NAME): Define.
14809 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14810 * pa.c (output_function_prologue): Always emit the function's label
14812 * pa.h (TEXT_SPACE_P): Define.
14813 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14814 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
14815 * som.h (TEXT_SPACE_P): Delete.
14816 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14817 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
14819 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
14821 * expr.c (emit_group_load): Allow src to be a CONCAT.
14823 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14825 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
14826 (___mulsi3): Use '!' comment character.
14828 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14830 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
14832 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
14834 * gcc.c: Update URLs and mail addresses.
14835 * gcc.texi: Likewise.
14837 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
14839 * rs6000.c (current_file_function_operand): Return zero for
14841 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
14843 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
14846 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
14848 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
14849 allocate space in the stack frame for the PIC register.
14851 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
14853 * m68k.md (xordi3, anddi3): These patterns are not available on
14856 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
14858 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
14859 (PUT_REAL): Likewise.
14861 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14863 * final.c (shorten_branches): Don't add an alignment for loops
14864 that have no label inside.
14866 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14868 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
14869 prototypes in macro HAVE_cmpstrsi.
14871 * cpplib.c (cpp_get_token): Remove unused label `op3'.
14873 * emit-rtl.c (operand_subword): Remove unused variable
14876 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
14878 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
14880 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
14882 * cpphash.c (macroexpand): Delete leading whitespace when arg
14883 is concatenated before.
14884 (unsafe_chars): Correct test for whether + and - can extend a
14887 * cppinit.c (cpp_start_read): Do dependencies for
14888 -include/-imacros files also.
14890 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
14891 tokenizing non-directive lines.
14892 (cpp_expand_to_buffer): Temporarily disable no-output mode.
14893 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
14896 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
14898 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
14900 * c-lex.c: Sync with C++ frontend.
14901 (linemode): New variable.
14902 (parse_float): imag, conversion_errno, and type are output only.
14903 (yylex): Adjust. Move initial '.' case into main switch.
14905 (handle_generic_pragma): Just deal with tokens.
14906 (readescape): Use ISXDIGIT and ISGRAPH.
14907 * c-parse.in: Add END_OF_LINE token.
14909 * c-lex.c (lang_init): Generalize.
14910 (nextchar): Remove. Replace uses with UNGETC.
14911 (skip_white_space): Handle linemode here. Optimize for cpplib.
14912 (skip_white_space_on_line): Remove.
14913 (extend_token_buffer_to): New fn.
14914 (extend_token_buffer): Use it.
14915 (read_line_number, check_newline): Just deal with tokens.
14916 (token_getch, token_put_back): New fns.
14917 (yylex): Use them. More cpplib optimizations. Simplify.
14919 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14920 Jason Merrill <jason@yorick.cygnus.com>
14922 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
14923 (consume_string): Make this smart about USE_CPPLIB.
14924 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
14925 (yylex): Rewrite to be intelligent about USE_CPPLIB.
14926 Also, clean up cases where we redundantly set token_buffer[0].
14927 (read_line_number): New fn.
14928 (ignore_escape_flag): New variable.
14930 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
14932 * a29k/t-a29kbare: Fix some comments.
14933 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
14934 (FPBIT, DPBIT): Define.
14935 * a29k/t-vx29k: Likewise.
14936 * arc/t-arc: Likewise.
14937 * arm/t-arm-elf: Likewise.
14938 * arm/t-bare: Likewise.
14939 * arm/t-pe: Likewise.
14940 * arm/t-pe-thumb: Likewise.
14941 * arm/t-semi: Likewise.
14942 * arm/t-thumb: Likewise.
14943 * arm/t-thumb-elf: Likewise.
14944 * arm/t-thumb-linux: Likewise.
14945 * h8300/t-h8300: Likewise.
14946 * i960/t-i960: Likewise.
14947 * i960/t-vxworks960: Likewise.
14948 * m32r/t-m32r: Likewise.
14949 * mips/t-ecoff: Likewise.
14950 * mips/t-elf: Likewise.
14951 * mips/t-r3900: Likewise.
14952 * pa/t-pro: Likewise.
14953 * rs6000/t-aix43: Likewise.
14954 * rs6000/t-beos: Likewise.
14955 * rs6000/t-newas: Likewise.
14956 * rs6000/t-ppccomm: Likewise.
14957 * rs6000/t-rs6000: Likewise.
14958 * rs6000/t-winnt: Likewise.
14959 * rs6000/t-xnewas: Likewise.
14960 * rs6000/t-xrs6000: Likewise.
14961 * sh/t-sh: Likewise.
14962 * sparc/t-elf: Likewise.
14963 * sparc/t-sparcbare: Likewise.
14964 * sparc/t-sparclite: Likewise.
14965 * sparc/t-splet: Likewise.
14966 * v850/t-v850: Likewise.
14967 * mn10200/t-mn10200: Fix comments.
14968 * mn10300/t-mn10300: Likewise.
14970 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
14971 dummy operand. Allocate a new pseudo for the dummy operand.
14972 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
14974 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
14976 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
14978 * configure: Rebuilt.
14979 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
14981 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
14983 * recog.c (preproces_constraints): Zero recog_op_alt before
14984 processing the constraints.
14986 * arm.c (typedef minipool_node): Renamed from pool_node.
14987 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
14988 (add_minipool_constant): New function.
14989 (dump_minipool): New function.
14990 (find_barrier): Remove special case for getting the insn size of
14991 an insn that references the constant pool.
14992 (minipool_fixup): New structure.
14993 (push_minipool_barrier): New function.
14994 (push_minipool_fix): New function.
14995 (note_invalid_constants): New function.
14996 (add_pool_constant, dump_table, fixit, broken_move): Delete.
14997 (arm_reorg): Rewrite code to fix up the constant pool into a
14998 series of mini-pools embedded in the insn stream.
14999 (arm_output_epilogue): New function, made mainly from the body
15000 of output_func_epilogue.
15001 (output_func_epilogue): Move insn generation part of epilogue code
15002 to arm_output_epilogue.
15003 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15004 * arm.md (pool_range): New attribute.
15005 (zero_extendqidi2): Add attribute pool_range.
15006 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15007 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15008 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15009 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15010 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15011 (epilogue): New expand.
15012 (epilogue_insn): New insn. Call arm_output_epilogue.
15014 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15015 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15017 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15019 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15021 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15023 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15025 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15027 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15029 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15031 * global.c: Fix comment.
15033 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15035 * gcc.c (access_check): New static function.
15036 (find_a_file): Use it when searching a directory list.
15037 * collect2.c (find_a_file): Don't accept directories found when
15038 searching a directory list.
15040 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15042 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15043 function parameters with `&'.
15044 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15046 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15048 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15049 or tidy_fallthru_edge if the last insn in the block is not
15050 an unconditional jump or a simple conditional jump.
15052 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15054 * Makefile.in (c-decl.o): Depends on defaults.h.
15056 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15058 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15060 (CLASS_MAX_NREGS): Likewise.
15062 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15064 * cse.c (cse_insn): Fix dumb thinko in last change.
15066 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15068 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15071 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15073 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15074 test for sizes of passed and declared parameter types.
15076 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15078 * fixincludes: Fix the return type of bsearch, char* -> void*.
15080 * fixinc/inclhack.def: Likewise.
15082 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15084 * invoke.texi (-fdump-translation-unit): New option.
15086 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15088 * expr.h (PROMOTE_PROTOTYPES): Move ...
15089 * defaults.h: ... to here.
15090 * c-decl.c: Include defaults.h instead of expr.h.
15091 * c-typeck.c: Include defaults.h.
15093 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15095 * toplev.h (errorcount): Declare.
15096 (warningcount): Likewise.
15097 (sorrycount): Likewise.
15098 * c-lex.c (errorcount): Don't declare.
15099 * dwarf2out.c (errorcount): Don't declare.
15101 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15103 * config/libgloss.h: Add a note discouraging use with ELF.
15104 * configure.in: Don't use libgloss.h for ELF targets.
15105 Always use_collect2 on a.out targets.
15107 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15109 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15110 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15112 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15114 * loop.c (strength_reduce): When doing biv->giv conversion, update
15115 reg note of NEXT->insn.
15117 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15119 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15121 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15123 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15124 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15125 Ensure expr.h is included.
15126 * c-typecheck.c (convert_arguments): Ditto.
15128 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15130 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15131 * config/convex/convex.h: Ditto.
15132 * config/dsp16xx/dsp16xx.h: Ditto.
15133 * config/fx80/fx80.h: Ditto.
15134 * config/gmicro/gmicro.h: Ditto.
15135 * config/i370/i370.h: Ditto.
15136 * config/i386/i386.h: Ditto.
15137 * config/m32r/m32r.h: Ditto.
15138 * config/m68k/m68k.h: Ditto.
15139 * config/m88k/m88k.h: Ditto.
15140 * config/mips/mips.h: Ditto.
15141 * config/pa/pa.h: Ditto.
15142 * config/pyr/pyr.h: Ditto.
15143 * config/tahoe/tahoe.h: Ditto.
15144 * config/we32k/we32k.h: Ditto.
15146 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15147 based on arch size.
15149 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15151 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15154 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15156 1999-08-02 Richard Henderson <rth@cygnus.com>
15158 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15159 for the register spill block.
15160 (m32r_va_arg): New.
15161 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15162 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15164 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15165 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15166 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15168 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15170 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15171 MAX_WCHAR_TYPE defined in sparc.h.
15172 * config/sparc/linuxaout.h: Likewise.
15173 * config/sparc/linux64.h: Likewise.
15174 Also default to -mvis if CPU is UltraSPARC.
15176 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15178 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15179 (RTX_OK_FOR_OLO10): Likewise.
15180 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15181 %lo(), allow it in addresses...
15182 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15183 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15184 does not make sense.
15185 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15186 (sparc_output_scratch_registers): New function.
15187 (output_function_prologue, sparc_flat_output_function_prologue): Use
15189 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15191 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15192 * configure.in: Add check for .register pseudo-op support in as and
15193 check for offsetable %lo().
15194 * acconfig.h: Add templates for the above checks.
15195 * configure: Regenerate.
15197 1999-08-02 Richard Henderson <rth@cygnus.com>
15199 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15200 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15201 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15203 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15205 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15208 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15210 * config/float-sparc.h: New file.
15211 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15212 sparc-*-linux-gnu and sparc64-*-linux*.
15214 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15216 * rs6000.c (rs6000_va_list): Type is an array.
15217 (rs6000_va_start): Don't doubly adjust for varargs.
15218 (rs6000_va_arg): Evaluate long long GPR adjustment.
15220 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15222 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15223 -maix64 and -maix32.
15224 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15225 LINK_SPEC): Change appropriately.
15226 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15227 (u_short_cint_operand): Likewise.
15228 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15230 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15232 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15234 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15236 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15237 for type promotion.
15238 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15239 (non_add_cint_operand): Likewise.
15240 (logical_operand): Likewise.
15241 (non_logical_cint_operand): Likewise.
15242 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15243 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15244 (rs6000_select_rtx_section): Suppress warning.
15245 (small_data_operand): Suppress warning.
15246 (rs6000_got_register): Suppress warning.
15247 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15248 type, so `J' is generally the wrong constraint for a SImode value;
15250 (andsi3_internal2): Likewise.
15251 (andsi3_internal3): Likewise.
15252 (iorsi3_internal1): Likewise.
15253 (xorsi3_internal1): Likewise.
15255 (movsf_softfloat): Likewise.
15256 (scc insns): Likewise.
15257 (movsi+2): Preserve sign bits of SImode constant.
15258 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15259 (movdf+1): Sign-extend properly.
15260 (movdi_32+1): Sign-extend properly.
15261 (scc insns): Sign-extend properly.
15263 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15266 1999-08-02 Richard Henderson <rth@cygnus.com>
15268 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15269 -mcpu parsing code.
15270 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15271 * alpha.md (all fp insns): Likewise.
15273 1999-08-02 Nick Clifton <nickc@cygnus.com>
15275 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15278 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15280 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15281 pic_load_label generator directly.
15282 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15283 No longer a named pattern.
15285 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15287 * explow.c (force_reg): Call force_operand if X does not
15288 satisfy general_operand.
15290 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15292 * fix-header.c (main): When testing for CONTINUED, use string
15293 equality, not pointer equality.
15295 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15297 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15299 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15301 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15302 that has become an unconditional jump.
15304 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15305 (output_function_epilogue): Similarly.
15307 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15309 * tree.h (init_dummy_function_start): Declare.
15311 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15313 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15314 last_expr_type, last_expr_value, block_start_count, block_stack,
15315 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15316 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15317 dynamically in stmt elt of struct function for each function.
15318 (struct nesting): Rename function_call_count elt to n_function_calls,
15319 target_temp_slot_level to block_target_temp_slot_level. All users
15321 (struct stmt_status): New structure definition.
15322 Add many accessor macros for stmt_status elements which previously
15323 were global variables.
15324 (init_stmt_for_function): Allocate stmt elt for current_function.
15325 Reflect that block_start_count was renamed to
15326 current_block_start_count.
15327 (save_stmt_status, restore_stmt_status): Delete functions.
15328 (preserve_subexpressions_p): Don't access loop_stack when outside
15330 (expand_start_bindings): Reflect that block_start_count was renamed to
15331 current_block_start_count.
15332 (expand_fixup): Likewise.
15333 (expand_decl): Don't access block_stack when outside a function.
15334 (expand_decl_cleanup): Likewise.
15335 (expand_dcc_cleanup): Likewise.
15336 (expand_dhc_cleanup): Likewise.
15337 (expand_anon_union_decl): Likewise.
15338 (set_file_and_line_for_stmt): New function.
15339 (in_control_zone_p): New function.
15341 * function.h (struct function): Add new elt stmt.
15342 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15343 case_stack, nesting_stack, nesting_depth, block_start_count,
15344 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15345 emit_lineno, goto_fixup_chain.
15346 (save_eh_status, restore_eh_status, save_stmt_status,
15347 restore_stmt_status): Delete declarations.
15348 * function.c (push_function_context_to): Don't call save_stmt_status.
15349 (pop_function_context_to): Don't call restore_stmt_status.
15350 * tree.h (in_control_zone_p): Declare.
15351 * rtl.h (set_file_and_line_for_stmt): Declare.
15353 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15354 call set_file_and_line_for_stmt.
15356 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15358 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15359 Also update copyright.
15361 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15363 * c-pragma.c: Don't include "except.h".
15364 * emit-rtl.c: Likewise.
15365 * stor-layout.c: Likewise.
15366 * tree.c: Likewise.
15367 * varasm.c: Likewise.
15369 * flow.c: Include "function.h".
15370 * tree.h (init_dummy_function_start): Declare new function.
15372 * except.h (struct eh_status): New structure.
15373 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15375 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15376 catch_clauses, false_label_stack, caught_return_label_stack,
15377 protect_list, current_function_ehc): Add accessor macros for the
15378 corresponding fields in current_function->eh; delete declarations
15379 for all items that used to be declared here.
15380 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15381 catch_clauses, false_label_stack, caught_return_label_stack,
15382 protect_list, current_function_ehc): Delete variables.
15383 (init_eh_for_function): Allocate current_function->eh.
15384 (save_eh_status, restore_eh_status): Delete functions.
15386 * function.h (struct function): Add fields next_global and eh.
15387 Delete all exception handling related fields.
15388 * function.c (current_function): New variable.
15389 (all_functions): New variable.
15390 (push_function_context_to): Don't allocate a struct function,
15391 use current_function instead. Call init_dummy_function_start when
15392 outside a function. Clear current_function before returning.
15393 (pop_function_context_from): Restore current_function.
15394 Don't free the restored struct function.
15395 (prepare_function_start): New function.
15396 (init_dummy_function_start): New function.
15397 (init_function_start): Break out some code into prepare_function_start
15400 * stmt.c (save_stmt_status): Don't call save_eh_status.
15401 (restore_stmt_status): Don't call restore_eh_status.
15403 * Makefile.in: Update dependencies.
15405 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15407 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15408 of depending on a magic constant value. Update comments.
15409 (hppa_expand_prologue): Similarly.
15411 * pa.md (reload_indi, reload_outdi): Allow any register for the
15412 original reload register.
15414 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15416 * cccp.c (print_help): Change marcos to macros.
15418 1999-07-30 Richard Henderson <rth@cygnus.com>
15420 * c-typeck.c (initializer_constant_valid_p): Move ...
15421 * c-common.c (initializer_constant_valid_p): ... here. Use
15422 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15423 of label addresses.
15424 * c-common.h (initializer_constant_valid_p): Declare.
15425 * c-tree.h (initializer_constant_valid_p): Remove.
15427 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15429 * config/i386/sol2-c1.asm: Align the stack.
15430 * config/i386/sol2-gc1.asm: Likewise.
15432 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15434 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15435 -Asparclite for sparc86x.
15436 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15438 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15440 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15442 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15443 the user if using the non-default arch size in BI_ARCH configuration.
15444 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15446 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15447 Fix patterns so that they actually match.
15448 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15449 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15450 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15452 (mulsidi3): Reflect this in the expand.
15453 (smulsi3_highpart): Only on TARGET_ARCH32.
15454 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15455 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15456 (umulsidi3): Reflect this in the expand.
15457 (umulsi3_highpart): Only on TARGET_ARCH32.
15458 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15459 don't require g0 to be zero.
15460 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15461 ({,u}divsi3): New expands.
15462 ({,u}divsi3_sp64): New patterns.
15463 (after lshrdi3_v8plus): Four new patterns to help combiner
15464 optimizing nested mixed mode shifts.
15466 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15467 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15468 speed things up. Don't use them by default on plain v9 in 64bit
15469 mode, according to what SPAMv9 sais.
15471 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15472 top 32 bits of %[og][0-7] in signal handlers.
15473 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15475 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15477 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15478 (ashlsi3): Corresponding changes.
15480 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15482 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15484 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15486 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15488 * arm.h (Hint): Delete macro.
15489 Substitute HOST_WIDE_INT for Hint in some prototypes.
15490 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15492 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15494 * builtins.c (expand_builtin_setjmp): Use force_operand to
15495 make sure that the buffer address is in a suitable form to be
15496 passed to force_reg.
15498 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15500 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15503 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15505 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15506 proper mode in the condition string.
15507 (icacheflush, dcacheflush): Remove modes from match_operands.
15509 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15510 proper mode before using it.
15512 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15515 * pa.c (store_reg): Do not call add_high_const generator directly.
15516 (load_reg, set_reg_plus_d): Likewise.
15517 * pa.md (add_high_const): No longer a named pattern.
15519 * pa.c (legitimize_address): Consistently use Pmode rather than
15520 SImode. Do not call gen_pic2_highpart directly anymore.
15521 * pa.md (pic2_highpart): No longer a named pattern.
15522 (pic2_lo_sum): Similarly. Reformat to make more readable.
15524 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15529 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15531 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15533 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15535 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15536 and tag the spill mems.
15537 (hppa_va_start): New.
15538 (hppa_va_arg): New.
15539 * pa.h (EXPAND_BUILTIN_VA_START): New.
15540 (EXPAND_BUILTIN_VA_ARG): New.
15542 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15544 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15545 and tag the spill mems.
15546 (mn10300_va_start): New.
15547 (mn10300_va_arg): New.
15548 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15549 (EXPAND_BUILTIN_VA_ARG): New.
15551 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15553 * mn10200.c (mn10200_va_arg): New.
15554 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15556 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15558 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15559 rather than play with TREE_INT_CST_LOW.
15561 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15563 * config/arm/telf.h: Include dbxelf.h.
15564 (CPP_PREDEFINES): Only define if not already defined.
15565 (ASM_IDENTIFY_GCC): Likewise.
15566 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15567 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15568 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15570 (DBX_DEBUGGING_INFO): Don't define.
15571 * config/arm/linux-telf.h: New file.
15572 * config/arm/linux-tgas.h: New file.
15573 * config/arm/t-thumb-linux: New file.
15574 * config/arm/uclinux-elf.h: New file.
15575 * config/arm/uclinux-telf.h: New file.
15576 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15577 thumb-*-uclinux): New targets.
15578 * configure: Regenerate.
15580 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15582 * pa.md (post_store, pre_load): New expanders.
15583 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15584 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15585 need to directly generate RTL for them.
15586 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15589 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15591 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15592 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15593 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15594 (secndary_reload_class): Make TARGET_ELF conditional compile.
15595 (print_operand_address): Similar.
15596 (output_toc): Print all values as hex.
15597 (get_issue_rate): Rearrange and add RS64A and PPC630.
15598 * rs6000.h (processor_type): Add RS64A and PPC630.
15599 (PROCESSOR_POWERPC64): New.
15600 (PROMOTE_MODE): Use word_mode.
15601 (RTX_COSTS): Add RS64A and PPC630.
15602 * rs6000.md (scheduling information): Add lmul and ldiv
15603 representing 64-bit integer multiply and divide. Add rs64a and
15604 PPC630 information.
15605 (ashldi3): Add support for "rldic" instruction.
15606 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15608 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15610 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15611 instead of V8 for sparclite86x in cpu_table.
15613 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15615 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15616 output_file_directive.
15618 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15620 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15621 tree for op1, not the rtl.
15623 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15625 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15626 to m88k_va_start, leaving only the register spill.
15627 (m88k_build_va_list): New.
15628 (m88k_va_start): New.
15629 (m88k_va_arg): New.
15630 * m88k.h (BUILD_VA_LIST_TYPE): New.
15631 (EXPAND_BUILTIN_VA_START): New.
15632 (EXPAND_BUILTIN_VA_ARG): New.
15634 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15636 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15637 Rename from expand_builtin_saveregs.
15638 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15640 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15642 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15643 for the register spill block.
15644 (i960_build_va_list): New.
15645 (i960_va_start): New.
15646 (i960_va_arg): New.
15647 * i960.h (BUILD_VA_LIST_TYPE): New.
15648 (EXPAND_BUILTIN_VA_START): New.
15649 (EXPAND_BUILTIN_VA_ARG): New.
15650 * i960.md (store_multiple): Use change_address on individul mems.
15652 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15654 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15656 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15657 (expand_builtin_va_end): Evaluate arg for side effects.
15658 * c-common.c (c_common_nodes_and_builtins): Construct a
15659 va_list_arg_type_node to handle array decomposition to pointer.
15661 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15663 * except.c (start_dynamic_cleanup): Use force_operand on the
15666 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15668 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15669 * c4x.c (c4x_va_arg): New.
15671 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15673 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15674 has manual_pop set.
15676 1999-07-26 Nathan Sidwell <nathan@acm.org>
15678 * eh-common.h (__eh_matcher): Prototype correctly.
15680 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15682 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15683 (TARGET_SINGLE_PIC_BASE): Likewise.
15684 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15686 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15687 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15688 (TARGET_OPTIONS): Add -mpic-register=N.
15689 (OUTPUT_INT_ADDR_CONST): New macro.
15690 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15691 LEGITIMATE_PIC_OPERAND_P): Likewise.
15692 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15693 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15694 output_addr_const directly.
15695 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15697 (thumb_pic_register, thumb_pic_register_string): Declare.
15699 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15701 (label_mentioned_p): New function: Imported from arm.c.
15702 (legitimize_pic_address): New function: Imported from arm.c.
15703 (is_pic):New function: Imported from arm.c.
15704 (thumb_finalize_pic):New function: Imported from arm.c.
15705 (add_constant): Cope with PIC constants.
15706 (fixit): Cope with PIC constants.
15707 (output_return): Do not treat the PIC register as live if
15708 TARGET_SINGLE_PIC_BASE is true.
15709 (thumb_function_prologue): Do not treat the PIC register as live if
15710 TARGET_SINGLE_PIC_BASE is true.
15711 (thumb_expand_prologue): Do not treat the PIC register as live if
15712 TARGET_SINGLE_PIC_BASE is true.
15713 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15714 TARGET_SINGLE_PIC_BASE is true.
15715 (thumb_print_operand): Accept '|'.
15716 (thumb_override_options): Process PIC options.
15718 * config/arm/thumb.md (movsi): Support PIC.
15719 (call_insn): Change "i" constraint to "X".
15720 (call_value_insn): Likewise.
15721 (consttable_4, consttable_8, consttable_end): Set and clear
15722 "making_const_table" as appropriate.
15723 (pic_load_addr, pic_add_dot_plus_four): New insns.
15725 * invoke.texi (Thumb Options): Fix spelling. Document new
15726 options -msingle-pic-base and -mpic-register=.
15728 1999-07-26 Andrew Haley <aph@cygnus.com>
15730 * config/m32r/initfini.c (__init): Use a full word immediate for
15731 __fini: this allows it to be placed in any memory region.
15733 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15734 -mmodel=medium. This is OK for all memory models.
15736 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15738 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15739 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15741 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15743 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15746 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15748 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15750 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15751 (BUILD_VA_LIST_TYPE): New.
15752 (EXPAND_BUILTIN_VA_START): New.
15753 (EXPAND_BUILTIN_VA_ARG): New.
15754 * i860.c (output_delayed_branch): Disable.
15755 (output_delay_insn): Likewise.
15756 (i860_saveregs): New.
15757 (i860_build_va_list): New.
15758 (i860_va_start): New.
15759 (i860_va_arg): New.
15760 * i860.md: Disable all peepholes using output_delayed_branch.
15761 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
15763 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
15765 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
15766 (BUILD_VA_LIST_TYPE): New.
15767 (EXPAND_BUILTIN_VA_START): New.
15768 (EXPAND_BUILTIN_VA_ARG): New.
15769 * clipper.c (clipper_builtin_saveregs): Only dump registers.
15770 Return the address of the save area.
15771 (clipper_build_va_list): New.
15772 (clipper_va_start): New.
15773 (clipper_va_arg): New.
15775 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
15777 * arc.h (EXPAND_BUILTIN_VA_START): New.
15778 (EXPAND_BUILTIN_VA_ARG): New.
15779 * arc.c (arc_setup_incoming_varargs): Set alias set of
15781 (arc_va_start): New.
15784 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
15786 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
15787 (BUILD_VA_LIST_TYPE): New.
15788 (EXPAND_BUILTIN_VA_START): New.
15789 (EXPAND_BUILTIN_VA_ARG): New.
15790 * alpha.c (alpha_builtin_saveregs): Delete.
15791 (alpha_build_va_list): New.
15792 (alpha_va_start): New.
15793 (alpha_va_arg): New.
15795 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
15797 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
15799 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
15800 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
15802 * gcc.texi: More changes related to list conversion.
15803 * invoke.texi: Likewise.
15805 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
15807 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
15808 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
15809 (expand_builtin_next_arg): Accept ARGLIST not EXP.
15810 (stabilize_va_list): New function.
15811 (std_expand_builtin_va_start): New function.
15812 (expand_builtin_va_start): New function.
15813 (get_varargs_alias_set): New function.
15814 (std_expand_builtin_va_arg): New function.
15815 (expand_builtin_va_arg): New function.
15816 (expand_builtin_va_end): New function.
15817 (expand_builtin_va_copy): New function.
15818 (expand_builtin): Call them.
15819 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
15820 __builtin_{varargs_start,stdarg_start,end,copy}.
15821 (build_va_arg): New function.
15822 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
15823 (build_va_arg): Declare.
15824 * c-decl.c (ptr_type_node, va_list_type_node): New.
15825 * c-parse.gperf (__builtin_va_arg): New.
15826 * c-parse.in (VA_ARG): New token.
15827 (unary_expr): Recognize it.
15828 * expr.c (expand_expr): Expand VA_ARG_EXPR.
15829 * expr.h (std_expand_builtin_va_start): Declare.
15830 (std_expand_builtin_va_arg): Declare.
15831 (expand_builtin_va_arg): Declare.
15832 (get_varargs_alias_set): Declare.
15833 * tree.def (VA_ARG_EXPR): New.
15834 * tree.h (BUILT_IN_VARARGS_START): New.
15835 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
15836 (ptr_type_node, va_list_type_node): Declare.
15837 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
15838 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
15839 * m88k.h, m88k.c: Likewise.
15840 * mn10300.h, mn10300.c: Likewise.
15841 * pa.h, pa.c: Likewise.
15842 * rs6000.h, rs6000.c: Likewise.
15843 * sh.h, sh.c: Likewise.
15844 * sparc.h, sparc.c: Likewise.
15846 * emit-rtl.c (operand_subword): Copy alias set.
15847 (change_address): Likewise.
15849 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
15851 * pa.c (compute_frame_size): Scan all the used callee saved registers,
15852 not just the first one.
15854 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
15856 * config/arm/arm.h (TARGET_SWITCHES): Add
15857 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
15858 (TARGET_OPTIONS): Add -mpic-register=.
15859 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
15860 (arm_pic_register_string): Declare.
15861 (NEED_PLT_GOT): Delete, replace with ...
15862 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
15863 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
15864 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
15865 * config/arm/arm.c (arm_override_options): Add new option
15867 (arm_pic_register_string): New variable.
15868 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
15869 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
15870 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
15871 (output_return_instruction): Likewise.
15872 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
15873 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
15874 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
15876 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
15877 mention of -msched-prolog. Document new options -msingle-pic-base
15878 and -mpic-register=.
15880 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
15882 * haifa-sched.c (reemit_notes): Tidy.
15883 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
15886 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
15888 * explow.c (trunc_int_for_mode): New function.
15889 (plus_constant_wide): Use it.
15890 * combine.c (simplify_and_const_int): Likewise.
15891 (merge_outer_ops): Likewise.
15892 (simplify_shift_const): Likewise.
15893 * cse.c (simplify_unary_operation): Likewise.
15894 (simplify_binary_operation): Likewise.
15895 * emit-rtl.c (operand_subword): Likewise.
15896 * rtl.h: Declare it.
15898 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15900 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
15901 (use NUM_REGS instead of NUM_INTS).
15903 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15905 * builtins.c: New file.
15906 * expr.c (saveregs_value, apply_args_value): Delete definition,
15907 moved into builtins.c.
15908 (string_constant): No longer static.
15909 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
15910 apply_args_size, apply_result_size, result_vector,
15911 expand_builtin_apply_args, expand_builtin_apply,
15912 expand_builtin_return): Delete functions, moved into builtins.c.
15913 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
15914 * expr.h (saveregs_value, apply_args_value): Declare variables.
15915 (expand_builtin, string_constant): Declare functions.
15916 * Makefile.in: Update to build builtin.o.
15918 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15920 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
15921 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
15922 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
15923 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
15925 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
15928 1999-07-21 Michael Meissner <meissner@cygnus.com>
15930 * print-rtl.c (print_rtx): Print the names of the virtual
15933 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
15935 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
15936 introduced in previous delta.
15938 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15940 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
15941 to avoid name clash.
15943 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15945 * c-lex.c (yylex) : Correct the test for overflow when lexing
15948 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
15950 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
15951 (adjust_priority): Always call ADJUST_PRIORITY.
15952 (schedule_insn): Only put insns into the ready at cost 0.
15953 (schedule_block): Remove redundant initial sort. Give clock_var
15954 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
15956 * tm.texi (MD_SCHED_REORDER): Update docs.
15958 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
15959 * sparc.c (ultra_reorder_called_this_block): Delete.
15960 (ultrasparc_sched_init): Don't set it.
15961 (ultrasparc_sched_reorder): Don't check it.
15963 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
15965 * rs6000.h (struct rs6000_args): Add sysv_gregno.
15966 * rs6000.c (init_cumulative_args): Init sysv_gregno.
15967 (function_arg_boundary): Align DFmode.
15968 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
15969 to get fp reg and stack overflow correct.
15970 (function_arg): Likewise.
15971 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
15972 (setup_incoming_varargs): Restructure for ABI_V4; use
15973 function_arg_advance to skip final named argument.
15974 (expand_builtin_saveregs): Properly unskip the last integer arg
15975 when doing varargs. Adjust overflow location calculation.
15977 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
15978 explicitly unsigned.
15979 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
15980 (__VA_GP_REGSAVE): Similarly.
15981 (__va_longlong_p): Delete.
15982 (__va_arg_type_violation): New declaration.
15983 (va_arg): Restructure. Flag promotion errors. Align double.
15984 TFmode passed by reference.
15986 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
15987 in the HOST_BITS_PER_WIDE_INT > 32 case.
15989 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
15991 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
15993 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
15995 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
15996 * toplev.c (documented_lang_options): Add -fpreprocessed.
15997 * cpplib.h (struct cpp_buffer): Add preprocessed.
15998 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
15999 (cpp_start_read): Don't expand macros or emit an initial #line
16000 directive if -fpreprocessed.
16002 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16004 * cpplib.h (struct cpp_buffer): Added manual_pop for
16005 better C++ tokenization.
16006 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16007 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16008 * c-common.c (cpp_token): Make non-static.
16010 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16012 * c-common.h: New file.
16013 * c-common.c (permanent_obstack): Delete unused declaration.
16014 (c_global_trees): New array.
16015 (c_common_nodes_and_builtins): New function; split off common code
16016 from init_decl_processing in both c-decl.c and cp/decl.c.
16017 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16018 c_global_trees and accessor macros defined in c-common.h.
16019 Include c-common.h.
16020 * c-decl.c: Delete definitions for tree nodes that were replaced by
16022 (init_decl_processing): Build void_list_node.
16023 Call c_common_nodes_and_builtins; delete code to generate the common
16025 * objc/objc-act.c (build_module_descriptor): Rename variable
16026 void_list_node to avoid clash with c-common.h.
16028 * Makefile.in: Update dependencies.
16029 * objc/Make-lang.in: Likewise.
16031 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16033 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16034 (UNIQUE_SECTION_P): Likewise.
16035 (UNIQUE_SECTION): Likewise.
16037 1999-07-19 Linas Vepstas <linas@linas.org>
16039 * config/i370/README: New file.
16040 * config/i370/linux.h: New file.
16041 * config/i370/mvs.h: New file.
16042 * config/i370/oe.h: New file.
16043 * config/i370/t-linux: New file.
16044 * config/i370/t-mvs: New file.
16045 * config/i370/t-oe: New file.
16046 * config/i370/x-oe: New file.
16047 * config/i370/xm-linux.h: New file.
16048 * config/i370/xm-mvs.h: New file.
16049 * config/i370/xm-oe.h: New file.
16051 * i370.c (label_node_t): Add first_ref_page, label_addr,
16052 label_first_ref, label_last_ref members.
16053 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16054 (MAX_MVS_LABEL_SIZE): Define.
16055 (MAX_LONG_LABEL_SIZE): Define.
16056 (alias_node_t, alias_anchor, alias_number): New.
16057 (mvs_function_table): Reorder for EBCDIC.
16058 (ascebc, ebcasc): Unconditionally define.
16059 (i370_branch_dest, i370_branch_length): New functions.
16060 (i370_short_branch, i370_label_scan): New functions.
16061 (mvs_get_label): Renamed from mvs_add_label. Search for
16062 an existing label before creating a new one.
16063 (mvs_add_label): New function.
16064 (mvs_get_label_page): New function.
16065 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16066 over the entire list.
16067 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16068 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16069 (mvs_add_alias, mvs_need_alias): New functions.
16070 (mvs_get_alias, mvs_check_alias): New functions.
16071 (handle_pragma): New function.
16072 (mvs_function_check): New function.
16073 (unsigned_jump_follows_p): Search harder.
16074 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16075 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16076 * i370.h (TARGET_VERSION): Delete.
16077 (CPP_SPEC, CPP_PREDEFINES): Delete.
16078 (mvs_label_emitted): Delete.
16079 (TARGET_EBCDIC): Delete.
16080 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16081 (HANDLE_PRAGMA): Define.
16082 (HARD_REGNO_NREGS): Handle complex modes.
16083 (HARD_REGNO_MODE_OK): Likewise.
16084 (CLASS_MAX_NREGS): Likewise.
16085 (RET_REG): Likewise.
16086 (EXTRA_CONSTRAINT): Define.
16087 (RETURN_IN_MEMORY): True for DImode.
16088 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16089 (FUNCTION_PROFILER): Delete.
16090 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16091 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16092 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16093 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16094 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16095 (ASM_FILE_START): Add "RMODE ANY".
16096 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16097 (ASM_GLOBALIZE_LABEL): Likewise.
16098 (ASM_OUTPUT_LABELREF): Likewise.
16099 (ASM_OUTPUT_COMMON): Likewise.
16100 (PRINT_OPERAND): Handle 'K', 'W', default.
16101 (PRINT_OPERAND_ADDRESS): New.
16102 (Lots of defines): Add support for TARGET_ELF_ABI.
16103 * i370.md (attr length): New. Define for all patterns.
16104 (*): Lots of tweeks to assembly output and constraints.
16106 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16108 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16109 Disable patterns performing SImode comparisons with SImode values
16110 if TARGET_POWERPC64 and instruction does not sign-extend or does
16111 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16112 differ for signed quantities.
16113 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16114 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16115 (decrement_and_branch_on_count): Add 64-bit variant.
16117 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16119 * final.c (output_asm_insn): When searching for the matching string
16120 for a given dialect, don't run past the end of the list of
16121 alternatives if there are fewer alternatives in the template than
16124 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16126 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16127 Removed paragraph about compression of files and size limitation,
16128 duplicated in the FAQ. Use gcc-patches for posting patches.
16129 * gcc.c (main): Updated URL with bug reporting instructions to
16130 gcc.gnu.org. Removed e-mail address.
16131 * system.h (abort): Likewise.
16133 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16135 * Makefile.in (stmp-multilib-sub): Make the files extracted
16136 from $(LIBGCC1) writable.
16138 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16140 * config/arm/aout.h: Reformat for improved readability.
16142 * config/arm/arm.h: Reformat for improved readability.
16143 Replace uses of fprintf with asm_fprintf where appropriate.
16144 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16145 function declaration assembler actions.
16146 (NUM_INTS): New macro: Convert from bytes to words.
16147 (NUM_REGS): New macro: Compute number of registers required to
16148 hold a quanitity of tyep MODE.
16149 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16151 (NUM_ARG_REGS): New macro: The number of argument registers
16153 (ARG_REGISTER): New macro: Compute the register number of the Nth
16155 (LAST_ARG_REGNUM): New macro: The number of the last argument
16157 (SP_REGNUM): New macro: Register number of the stack pointer.
16158 (FP_REGNUM): New macro: Register number of the frame pointer.
16159 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16160 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16161 CUMULATIVE_ARGS so that it counts registers not bytes.
16163 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16165 Replace uses of fprintf with asm_fprintf where appropriate.
16166 (output_ascii_pseudo_op): Replace with version from thumb.c
16168 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16170 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16171 SUBTARGET_CPP_SPEC.
16172 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16173 (ASM_FILE_START): Emit ASM_APP_OFF.
16175 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16177 * pa.c (compute_frame_size): Round frame according to
16178 STACK_BOUNDARY rather than a hardwired value.
16180 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16182 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16184 * configure: Rebuilt.
16186 * configure.in (hppa*-*-linux*): New configuration.
16187 * configure: Rebuilt.
16188 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16189 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16190 * pa/pa-linux.h: New file.
16191 * pa/t-linux: New file.
16192 * pa/xm-linux.h: New file.
16194 * pa.c (hppa_legitimize_address): Change references from SImode to
16195 either Pmode or word_mode as appropriate.
16196 (emit_move_sequence, store_reg, load_reg): Likewise.
16197 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16198 (output_mul_insn): Likewise.
16199 * pa.h (PROMOTE_MODE): Likewise.
16200 (INITIALZE_TRAMPOLINE): Likewise.
16201 (Pmode): Define to word_mode.
16203 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16204 value of 4. Allocate 8 bytes for each FP register save.
16205 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16207 (hppa_expand_prologue): Likewise.
16208 * pa.h (PROMOTE_MODE): Likewise.
16209 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16210 (FUNCTION_ARG_BOUNDARY): Likewise.
16212 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16214 * pa.c (out_of_line_prologue_epilogue): Delete.
16215 (override_options): Remove -mspace related code.
16216 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16217 (compute_frame_size): Only allocate space for register that
16218 actually need to be saved.
16219 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16220 (TARGET_SWITCHES): Remove -mspace, -mno-space
16221 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16222 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16223 * pa/ee.asm, pa/ee_fp.asm: Delete.
16225 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16227 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16228 directive in column zero.
16230 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16232 * m68k.c (output_function_prologue): Fix computation of save mask
16233 when generating PIC code.
16235 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16237 * tree.c (build_type_attribute_variant): Move current_obstack restore
16238 after build_qualified_type call.
16240 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16242 * configure.in: Use t-iris6, even with GNU LD.
16243 * config/mips/iris6gld.h: Fix typo in linker spec.
16244 * config/mips/t-iris6gld: Remove.
16246 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16248 * rs6000.md (insv, extzv): Remove SImode dependence in named
16249 patterns. Explicitly generate DImode RTL if PowerPC64 and
16251 (insvdi): Reverse start and size in instruction template.
16253 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16255 * invoke.texi: Typo fixes.
16257 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16259 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16260 handle at this time instead of silently generating incorrect code.
16261 (gen_imagpart): Likewise.
16263 * reload.c (find_reloads): Emit a USE for a pseudo register without
16264 a hard register if we could not create an optional reload for the
16267 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16269 * c-typeck.c (output_init_element, process_init_element):
16270 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16271 check for nameless bit fields.
16273 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16275 * regclass.c (scan_one_insn): Notice subregs that change the
16276 size of their operand.
16277 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16279 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16281 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16282 * configure: Rebuilt.
16283 * alpha/t-ieee: New file.
16285 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16287 * rs6000.c (find_addr_reg): Do not select r0 as an address
16290 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16292 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16294 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16296 * rs6000.md (movsf): Do not force easy FP constants into memory.
16298 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16299 immed_double_const to ensure they are properly truncated then
16302 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16304 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16305 always unless NO_DEBUG is used. Compile this code
16307 (replace_symbols_in_block): Compile it unconditionally.
16309 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16311 * configure.in (i?86-*-elf*): New target.
16312 * configure: Rebuilt.
16313 * i386/i386elf.h, i386/t-i386elf: New files.
16315 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16317 * toplev.c (main): Don't complain about saying -gdwarf.
16318 (rest_of_compilation): Remove redundant code.
16320 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16322 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16324 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16326 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16327 "Li960R:", to avoid name clash.
16329 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16331 * loop.c (check_dbra_loop): When reversing a loop, delete all
16332 REG_EQUAL notes referencing the reversed biv except those which are
16333 for a giv based on it.
16335 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16337 * version.c: Drop "gcc-" prefix from version #.
16339 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16341 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16342 the label if we're being verbose.
16344 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16346 * m68k.c (output_function_prologue): Add pic register to mask
16347 if live and flag_pic.
16348 (output_function_epilogue): Likewise.
16350 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16352 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16353 directives in column zero.
16355 * pa/elf.h (ASM_FILE_START): Define.
16356 * pa/som.h (ASM_FILE_START): Include .level directives.
16357 * pa/hpux10.h (ASM_FILE_START): Delete.
16358 * pa/hpux11.h (ASM_FILE_START): Delete.
16360 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16362 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16364 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16365 when reload_out equals reload_in.
16367 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16369 * invoke.texi (Spec Files): New node: Describe the contents of
16372 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16374 * invoke.texi (DEC Alpha Options): Put @end table at
16375 beginning of line, to avoid confusing texi2html.
16377 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16379 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16380 introduced in previous delta.
16382 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16384 * reload1.c (gen_reload): When synthesizing a 3 operand add
16385 sequence, improve test for when to reload OP1 into the reload
16386 register instead of OP0.
16388 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16390 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16392 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16394 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16397 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16399 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16400 (va_dcl): Use __builtin_va_alist_t.
16402 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16404 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16405 on the permanent_obstack.
16406 * dwarfout.c (output_type): Likewise.
16408 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16410 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16411 Merged from c-typeck.c and cp/typeck.c.
16412 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16413 Merged into c-common.
16415 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16417 * c-lex.c (errorcount): Declare it.
16418 (finish_parse): Update errorcount when using CPPLIB.
16420 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16422 * fixinc/inclhack.def(end_else_label): Double the backslash so
16423 sed gets a chance to see it.
16424 * fixinc/inclhack.sh: regen
16425 * fixinc/fixincl.x: regen
16427 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16429 Add framework to support armv5 architecture when it becomes
16432 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16433 (arm_arch5): New variable.
16434 (all_architectures): Add armv5 line.
16435 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16436 -march=armv5 is specified on the command line.
16437 (arm_arch5): Export this variable.
16438 * invoke.texi: Document new string accepted by -march= switch for
16441 * config/arm/arm.h: Replace use of constant 12 as a register
16442 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16443 * config/arm/arm.c: Replace use of constant 12 as a register
16444 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16446 * config/arm/elf.h: Tidy up.
16447 * config/arm/coff.h: Tidy up.
16449 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16451 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16452 * gcc/config/mips/t-iris6gld: New file.
16453 * gcc/config/mips/iris6gld.h: Likewise.
16455 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16457 * c-decl.c (widest_integer_literal_type_node,
16458 widest_unsigned_literal_type) : New.
16459 (init_decl_processing): Handle/use the two new types.
16460 * c-common.c (type_for_size,type_for_mode) : Same.
16461 * c-lex.c (yylex) : Same.
16462 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16464 * c-tree.h (widest_integer_literal_type_node,
16465 widest_unsigned_literal_type) : New.
16467 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16469 * dwarfout.c (field_byte_offset): Correctly compute the object's
16470 byte offset for the first bit of a field which crosses an alignment
16471 boundary on a !BYTES_BIG_ENDIAN target.
16473 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16475 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16478 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16479 Jeff Law <law@cygnus.com>
16481 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16484 * except.c: Include intl.h.
16485 (expand_eh_return): Set current_function_cannot_inline.
16486 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16487 * function.h (struct function): Add eh_return_stub_label.
16488 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16489 * Makefile.in (except.o): Depend on intl.h.
16491 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16493 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16494 same as offsettable in cases 1 and 2.
16496 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16498 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16499 (extlh, extwh): Likewise.
16501 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16503 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16505 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16507 * configure.in: Add arm-pe and thumb-pe targets.
16508 * configure: Regenerate.
16510 * thumb.c (arm_naked_function_p): New function: Determines if
16511 a function is naked (has no gcc generated prologue/epilogue).
16512 (is_called_in_ARM_mode): Return true if the func has the
16513 interfacearm attribute.
16514 (output_return): Do not generate a return for naked functions.
16515 (thumb_function_prologue): Do not generate a prologue for
16517 (thumb_expand_prologue): Do not generate a prologue for naked
16519 (thumb_expand_epilogue): Do not generate an epilogue for naked
16521 (arm_valid_machine_decl_attribute): New function, copied from
16522 arm.c: Permit naked and interfacearm attributes.
16524 * config/arm/pe.c: New file: Support code for arm-pe target.
16525 * config/arm/pe.h: New file: Header file for arm-pe target.
16526 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16527 * config/arm/t-thumb-pe: New file: Makefile fragment for
16530 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16532 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16533 -fPIC or -fpic is specified.
16535 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16537 * expr.c (emit_block_move): Use copy_to_mode_reg for
16538 !TARGET_MEM_FUNCTIONS case too.
16540 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16542 * configure: Rebuilt.
16543 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16544 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16545 definitions made redundant by dbxelf.h inclusion. Delete
16546 lots of definitions related to assembly output that are
16547 specific to the SOM object format.
16548 * pa.c (output_function_prologue): Do not emit the function's
16550 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16551 * pa-pro.h: Deleted.
16552 * som.h: New file with SOM specific definitions.
16553 * elf.h: New file with ELF specific definitions.
16555 * elfos.h (const_section): Output a tab before assembler directives.
16556 (ctors_section, dtors_section): Likewise.
16557 (ASM_OUTPUT_SECTION_NAME): Likewise.
16559 * pa/pa1.h: Delete unused file.
16561 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16563 * configure.in (hppa*-hp-hpux11*): New configuration.
16564 * configure: Rebuilt.
16565 * pa/pa-hpux11.h: New file.
16566 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16569 * mips.md (leasi, leadi): New patterns.
16571 * expr.c (emit_block_move): Properly handle case where one of the
16572 block move arguments has a queued increment or decrement.
16573 (clear_storage): Similarly. Fix formatting goof.
16575 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16577 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16578 semicolon from the BSD VA_LIST replacement expression.
16580 * fixinc/inclhack.sh: regen
16581 * fixinc/fixincl.x: regen
16583 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16584 now use the fixincl program.
16586 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16588 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16589 case. Also make the PIC register call_used.
16591 * m68k.h (FINALIZE_PIC): Delete.
16592 * m68k.c (finalize_pic): Delete.
16594 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16596 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16599 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16601 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16603 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16605 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16607 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16609 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16611 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16613 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16615 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16617 * rs6000.c (output_toc): Always use hex values for floating-point
16618 constants. Store single-precision values in upper-half of TOC
16619 entry in 64-bit mode.
16620 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16621 to final constraints.
16622 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16623 (fctiwz): Improve accuracy of RTL for pattern.
16625 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16627 * expr.c (expand_expr): Allow RTL_EXPR's through the
16628 MAX_INTEGER_COMPUTATION_MODE checks.
16630 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16632 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16633 such that MASK_SUPPORT_ARCH is not negative.
16635 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16637 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16638 ADDR_DIFF_VEC insns that appear inside loops.
16640 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16641 Jeff Law <law@cygnus.com>
16643 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16644 Handle LO_SUM the same as offsettable in cases 1 and 2.
16645 * rs6000.c (find_addr_reg): Revert previous patch.
16647 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16649 * system.h (strstr): New external function declaration.
16650 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16651 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16652 * config.in, configure: Rebuilt.
16654 1999-06-24 Tom Tromey <tromey@cygnus.com>
16656 * gcc.c (main): Read user-specified specs files after computing
16657 additional startfile_prefixes.
16659 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16661 Revert these two patches:
16663 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16664 * loop.c (strength_reduce): When doing biv->giv conversion, update
16665 reg note of NEXT->insn.
16667 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16668 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16670 (recombine_givs): Set ix field after sorting.
16672 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16674 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16675 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16677 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16679 *fixinc/inclhack.def: Add fix development commentary
16680 (read_ret_type): reactivate and add selection clause
16681 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16682 *fixinc/{fixincl.x|inclhack.sh}: regen
16684 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16686 * expr.c (expand_expr): STRIP_NOPS before checking against
16687 MAX_INTEGER_COMPUTATION_MODE
16688 (check_max_integer_computation_mode): Likewise.
16690 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16692 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16694 1999-06-22 Jim Wilson <wilson@cygnus.com>
16696 * expr.c (store_expr): When target is a promoted subreg, return a
16697 promoted subreg as a result.
16699 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16701 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16703 (dwarf2out_define): Mark unused parameters appropriately.
16704 (gen_unspecified_parameters_die): Ditto.
16705 (gen_subprogram_die): Fix signed/unsigned warnings.
16706 (gen_variable_die): Ditto.
16708 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16710 * fixinc/inclhack.def(end_else_label): combined else_label
16711 and endif_label and fixed the sed expression.
16712 *fixinc/{fixincl.x|inclhack.sh}: regen
16714 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16716 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16717 'x' when handling non-offsettable addresses
16719 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16721 * final.c (shorten_branches): Don't try to split an insn that has
16724 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16726 * config/mips/mips.c (symbolic_expression_p): New function.
16727 (mips_select_rtx_section): Put symbolic expressions in the
16728 data section, not the read-only data section.
16730 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16732 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16734 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16736 * collect2.c (main): Log frame table count.
16737 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16738 (scan_prog_file) [COFF]: Handle frame tables.
16740 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16741 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16742 * alpha/elf.h: Undef them again.
16743 * alpha/vms.h: Remove their definitions.
16745 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16747 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16748 remove the clobber of r0 and change the REG_UNUSED note to
16751 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16753 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
16754 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
16755 fits in HOST_WIDE_INT and one uses union to access a long constant
16758 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
16760 * sparc.c (sparc_override_options): Don't allow profiling for
16761 code models other than medlow.
16762 (sparc_function_profiler): New function from old FUNCTION_PROFILER
16763 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
16764 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
16765 (sparc_block_profiler): Likewise.
16766 (sparc_function_block_profiler_exit): Likewise.
16767 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
16768 (FUNCTION_BLOCK_PROFILER): Likewise.
16769 (BLOCK_PROFILER): Likewise.
16770 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
16771 (MCOUNT_FUNCTION): New.
16772 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
16773 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
16774 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
16775 (MCOUNT_FUNCTION): New.
16776 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
16777 (BLOCK_PROFILER): Delete.
16778 (MCOUNT_FUNCTION): New.
16780 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
16782 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
16784 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16786 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16789 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16792 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16795 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16798 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
16800 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
16803 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
16805 * i386/djgpp.h (LIB_SPEC): New.
16806 (STARTFILE_SPEC): New.
16808 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
16810 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
16812 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
16815 * system.h (WSTOPSIG): New macro.
16817 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
16819 * c-pragma.c (push_alignment): Don't ignore alignments greater than
16821 (insert_pack_attributes): Take into account member natural
16824 * i386/winnt.c (exports_head): New static variable.
16825 (i386_pe_record_exported_symbol): New function.
16826 (i386_pe_asm_file_end): Use.
16827 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
16828 symbols to be emitted at end of assembly.
16829 (ASM_DECLARE_OBJECT_NAME): Likewise.
16830 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16832 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
16835 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
16837 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
16840 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
16842 * haifa-sched.c (sched_analyze_1): Use free_list instead of
16843 zapping reg_last_uses directly.
16844 (sched_analyze_2, sched_analyze_insn): Likewise.
16845 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
16847 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
16849 * rs6000.md (movdf_hardfloat32): Use worst case insn length
16850 attributes for cases 1 and 2.
16852 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
16854 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
16857 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
16859 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
16861 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
16863 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
16864 PIC_OFFSET_TABLE_REGNUM for general alloaction.
16865 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
16866 must be stacked if it is used for PIC accesses.
16867 * arm.c (use_return_insn): Handle PIC register specially.
16868 (output_return_instruction): Likewise.
16869 (output_func_{prologue,epilogue}): Likewise.
16870 (output_expand_prologue): Likewise.
16872 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
16873 (*strsi_predec): Renamed from *strqi_predec.
16874 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
16875 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
16877 * arm.c (arm_override_options): Remove warning about PIC code
16878 not being supported.
16880 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
16882 * rs6000.c (find_addr_reg): New function.
16883 * rs6000.h (find_addr_reg): Declare.
16884 (offsettable_addr_operand): Delete.
16885 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
16886 from and stores to GPRs.
16888 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
16890 * alpha.c (alpha_expand_block_move): Use get_insns rather than
16891 gen_sequence as argument to emit_no_conflict_block.
16893 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16895 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
16896 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
16897 *fixinc/fixincl.x: regen
16898 *fixinc/inclhack.sh: regen
16900 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
16902 * added support for -mpcrel (PC relative addressing for m68k)
16903 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
16904 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
16905 * m68k.c (print_operand_address): Handle 32-bit PIC case.
16906 (comments for general_src_operand): Add some explanation
16907 about EXTRA_CONSTRAINTS.
16908 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
16909 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
16910 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
16911 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
16912 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
16913 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
16914 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
16915 if not already set.
16916 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
16917 * m68k.h (TARGET_PCREL): New target flag.
16918 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
16919 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
16920 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
16921 contains a SYMBOL_REF. Relax this constraint during reload, since
16922 we want to use the predicates, not reload's built-in concept of a
16923 valid memory address, to control what insns need reloading.
16924 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
16925 operands (essentially 'g', 'm', and 's' under normal circumstances).
16926 * m68k.c (print_operand): Cause printing of pc-relative addresses
16927 to include pc register.
16928 (print_operand_address): Ditto.
16929 (general_src_operand): Accept operands that are not only
16930 general_operands, but are also valid when used as a pc-relative
16932 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
16933 (memory_src_operand): Similar, for memory_operands.
16934 (pcrel_address): New predicate to accept the special case of a
16935 pc-relative address.
16936 * m68k.md (many patterns): Rewrite common SImode, HImode, and
16937 QImode insns to accept *_src_operand instead of *_operand where
16938 pc-relative operands can fit. For example, a pc-relative operand
16939 can be used as a memory source operand for addsi3, but not as a
16940 memory destination.
16941 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
16943 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
16945 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
16946 .thumb_set pseudo op to mark aliases of thumb functions.
16948 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
16950 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
16951 preference to ASM_OUTPUT_DEF, if it is defined.
16953 * tm.texi: Document new, optional target macro
16954 ASM_OUTPUT_DEF_FROM_DECLS.
16956 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16958 * fixincludes: ISCNTL patch
16959 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
16960 (dgux_int_varargs): new for DG/UX
16961 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
16963 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
16965 * invoke.texi (ia32 options): Fix typo.
16967 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16969 * loop.c (strength_reduce): When doing biv->giv conversion, update
16970 reg note of NEXT->insn.
16972 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
16974 * loop.c (move_movables): Note issues with replacing REGs with
16976 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
16978 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
16980 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
16982 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
16983 the reference to `mcount' was not correct for the ELF on FreeBSD.
16985 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16987 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16990 (recombine_givs): Set ix field after sorting.
16992 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
16994 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
16995 to safe to extract a subword out of a REG.
16997 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16999 * sh.md (mulsi3): Don't add a no-op move at the end.
17001 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17003 * cse.c (cse_insn): Don't put hard register source into tables for
17004 the last insn of a libcall.
17006 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17008 * loop.c (strength_reduce): Insert sets of derived givs at every
17009 biv increment, even if it's the only one.
17011 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17013 * dwarfout.c (add_incomplete_type): New fn.
17014 (output_type): Call it.
17015 (retry_incomplete_types): New fn.
17016 (dwarfout_finish): Call it.
17018 From Eric Raskin <ehr@listworks.com>:
17019 (output_type): Output types for bases.
17021 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17023 * mips.c (mips_output_conditional_branch): Add `break'
17024 between `default' label and `close braces'.
17026 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17028 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17029 specifications and make it realistic.
17030 (LIB_SPEC): Likewise.
17032 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17034 * config/mips/mips.c (mips_secondary_reload_class): Check for
17035 (PLUS (SP) (REG)) and return appropriate register class.
17036 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17037 Handle (PLUS (SP) (REG)).
17038 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17039 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17040 of emit_insn for tablejump.
17042 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17044 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17045 asm_fprintf format string by itself.
17046 (output_function_profiler): Likewise.
17048 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17050 * combine.c (simplify_logical, case AND): Only call
17051 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17052 or the constant is positive.
17054 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17056 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17057 * configure: Regenerate.
17059 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17061 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17062 require a sub-version #.
17063 * configure: Rebuilt.
17065 1999-06-14 Robert Lipe (robertlipe@usa.net)
17067 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17069 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17071 * c-typeck.c (process_init_element): Detect excess elements in
17072 char array initializer.
17074 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17076 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17078 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17080 * invoke.texi (Option Summary): Add -fpermissive flag.
17082 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17084 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17085 that require PIC code sequences.
17087 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17089 * configure.in: Add new target: thumb-elf.
17090 * configure: Regenerate.
17091 * config/arm/t-thumb-elf: New file: Makefile fragment for
17093 * config/arm/telf.h: New file: Header file for thumb-elf
17096 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17098 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17099 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17100 initializers is some circumstances.
17102 * fixinc/inclhack.def (endif_label): Add additional selector for
17103 more bogus stuff after #endif statements.
17104 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17106 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17108 * i386/cygwin.h (SET_ASM_OP): Define.
17110 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17112 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17114 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17116 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17119 * sh.md (ic_invalidate_line_i): Remove second alternative.
17121 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17123 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17124 test for the presence of valid prototypes. Delete bypass expr.
17125 (ioctl_fix_ctrl): Correct the selection expression.
17126 (no_double_slash): Correct quoting rules
17127 *fixinc/fixincl.x: regen
17128 *fixinc/inclhack.sh: regen
17130 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17132 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17134 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17136 * rs6000.md (movsi_got_internal_mem): Delete.
17137 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17138 (GOT_TOC_REGNUM): Delete.
17139 (PIC_OFFSET_TABLE_REGNUM): Define.
17140 (FINALIZE_PIC): Disable.
17141 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17142 (rs6000_replace_regno): Delete.
17143 (rs6000_finalize_pic): Likewise.
17144 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17146 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17148 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17149 is a note; use <= for the compare; advance P while it is
17152 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17154 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17155 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17157 * varasm.c (remove_from_pending_weak_list): Verify t->name
17158 is non-NULL before passing it to strcmp.
17160 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17162 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17163 the typed arguments are not part of a comment
17164 (ioctl_fix_ctrl): Added a purpose comment
17165 *fixinc/fixincl.x: regenerate
17166 *fixinc/inclhack.sh: regenerate
17168 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17170 * invoke.texi: Add C4x invocation docs.
17172 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17174 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17176 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17178 (c4x_legitimize_reload_address): New function.
17179 * config/c4x/c4x.md: Update docs.
17181 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17183 * fixincludes: Avoid removing '.'.
17184 * fixinc/fixinc.svr4: Likewise.
17185 * fixinc/fixinc.winnt: Likewise.
17186 * fixinc/inclhack.tpl: Likewise.
17187 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17189 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17191 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17193 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17195 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17197 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17200 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17202 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17203 * configure: Regenerate.
17205 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17207 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17210 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17212 * fixinc/inclhack.def (avoid_bool): Also catch
17213 "typedef [unsigned] int bool".
17214 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17216 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17217 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17218 * configure: Rebuilt.
17220 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17222 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17223 such that we can override its definitions if necessary.
17224 (CPP_SPEC): New define. Support processor specific predefines via
17226 (CC1_SPEC): New define. Support processor specific compiler
17227 options via %(cc1_cpu).
17228 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17231 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17233 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17234 between sed's -e flag, and the open-quote following it.
17235 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17237 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17238 Jeffrey A Law (law@cygnus.com)
17240 * varasm.c (assemble_start_function): Remove the function
17241 from the pending weak decls list when we define a function.
17242 (assemble_variable): Similarly for variables.
17243 (weak_finish): Ignore items on the list with a NULL name.
17244 (remove_from_ending_weak_list); New function to "remove" an item
17245 from the pending weak declarations list.
17247 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17249 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17251 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17253 * c-lex.c (GETC): Redefine to call getch.
17254 (UNGETC): Redefine to call put_back.
17255 (putback_buffer): New structure type.
17256 (putback): New static structure.
17257 (getch): New function.
17258 (put_back): New function.
17259 (yylex): Replace unused bytes from bad multibyte character.
17261 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17263 * cpplib.c (do_define): Cast `alloca' return value.
17264 (do_include, do_undef, do_pragma): Likewise.
17265 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17267 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17268 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17270 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17272 * sparc.md (abstf2): This should be an expand.
17273 (split after abstf2_notv9): Fix mode.
17274 (abstf2_hq_v9): New pattern.
17275 (abstf2_v9): Only use when no hard quad.
17276 (absdf2_v9): Fix if target is not the same as source.
17277 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17278 Add correct output constraints.
17280 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17282 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17283 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17285 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17287 * mips.h (mips_output_conditional_branch): New function.
17288 (mips_adjust_insn_length): Likewise.
17289 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17290 (ADJUST_INSN_LENGTH): Likewise.
17291 * mips.c (print_operand): Add `F' and `W' for floating-point
17292 comparison opcodes.
17293 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17295 (mips_adjust_insn_length): New function.
17296 (mips_output_conditional_branch): New function.
17297 * mips.md (length): Adjust attribute definition to handle
17298 conditional branches. Change lengths to bytes, rather than
17299 instructions throughout. Remove length attribute from
17300 instructions whose length is four bytes, and rely on the default
17302 (dslot): Fix typo in comment.
17303 Reword conditional branch patterns to use
17304 mips_output_conditional_branch.
17306 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17308 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17309 (LIB_SPEC): Likewise.
17310 Link with -lprof1_r for -g/-pg.
17312 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17314 * loop.c (check_dbra_loop): Fix change of Jan 19.
17316 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17318 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17319 (STARTFILE_SPEC): Define, override the svr4.h version.
17320 (ENDFILE_SPEC): Likewise.
17322 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17324 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17325 * fixinc/fixincl.x: Regenerated.
17326 * fixinc/inclhack.sh: Regenerated.
17328 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17330 * sh.c (barrier_align): Don't return early for normal branch/barrier
17331 when optimizing for SH2.
17333 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17335 * i386/udk.h (LINK_SPEC): Correct linker search path for
17338 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17340 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17341 (braf_label_ref_operand): Delete.
17342 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17343 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17344 label_ref, and has no predicate.
17345 The patten has a predicate to guard against invalid substitutions.
17346 (dummy_jump): Delete.
17347 (casesi): Update use of casesi_jump_2.
17349 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17351 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17352 *fixinc/fixincl.x: regenerate
17353 *fixinc/inclhack.sh: regenerate
17355 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17357 * dwarf2out.c (add_incomplete_type): New fn.
17358 (gen_struct_or_union_type_die): Call it.
17359 (retry_incomplete_types): New fn.
17360 (dwarf2out_finish): Call it.
17362 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17364 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17365 current block starts with a CODE_LABEL and ends with a CALL and
17366 we can not find all the argument setup instructions for the CALL.
17368 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17370 Revert this change:
17371 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17372 something is a candidate for optimize_bit_field_compare.
17374 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17376 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17378 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17380 * alpha.c (override_options): Thinko in last patch.
17382 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17383 (LIB_SPEC): Recognize -pthread.
17385 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17387 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17388 definition in config/arm/coff.h
17389 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17391 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17393 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17394 fixes that need "file=xxx\n" prepended before invocation
17395 (start_fixer - new): starting the fixer process is complex enough
17396 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17397 (process): uses the new routine; omit usage of putenv()
17398 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17399 * fixinc/fixincl.x: regenerate
17401 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17403 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17404 and version #s (1.1 -> 2.96) as needed.
17405 * README.g77: Kill way out of date file in the toplevel directory.
17407 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17409 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17410 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17411 * configure: Rebuilt.
17412 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17413 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17414 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17415 (SWITCH_TAKES_ARG): Likewise.
17416 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17417 * config/t-freebsd: Moved from config/i386/ so it can used for all
17420 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17422 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17424 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17426 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17427 * configure: Rebuilt.
17429 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17431 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17432 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17433 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17434 (rs6000_output_load_toc_table): Same.
17435 (output_prolog, output_mi_thunk): Same.
17436 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17437 (ASM_GLOBALIZE_LABEL): Use putc.
17439 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17441 * alpha.md (reload_*_help): New patterns and splitters.
17442 (reload_*): Use them.
17443 (mov[qh]i): Likewise.
17445 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17447 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17450 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17452 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17454 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17456 * flow.c (mark_regs_live_at_end, insn_dead_p,
17457 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17458 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17459 hasn't run or the frame pointer is needed.
17460 * haifa-sched.c (attach_deaths): Likewise.
17461 * sched.c (attach_deaths): Likewise.
17463 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17465 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17466 calculate_can_reach_end returns nonzero.
17468 * configure.in (native gas tests): Search for an assembler in the
17469 same manner that the installed compiler will.
17470 * configure: Rebuilt.
17471 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17473 * alias.c (find_base_term): Improve handling of addresses
17474 constructed from binary operations.
17476 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17478 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17480 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17482 * function.h (cleanup_label, frame_offset): Declare.
17483 (tail_recursion_label, tail_recursion_reentry): Likewise.
17484 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17485 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17486 (tail_recursion_label, tail_recursion_reentry): Likewise.
17487 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17489 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17491 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17493 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17494 (MAX_OFILE_ALIGNMENT): Define.
17496 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17498 * fixincl.c: Replace local include scheme with #includes of
17499 gansidecl.h and system.h.
17500 * procopen.c: Likewise.
17501 * server.c: Likewise.
17503 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17505 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17506 (crti.o): Add build rule and dependencies.
17507 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17509 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17511 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17512 (LIB_LINUX_SPEC): Likewise.
17513 (LIB_LINUX_SPEC): Add support for -pthread
17514 (CPP_OS_LINUX_SPEC): Likewise.
17515 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17518 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17520 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17522 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17523 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17524 for IEEE math and CC_FCOMI.
17525 (put_jump_code): No IEEE if CC_FCOMI is set.
17527 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17529 * fold-const.c (fold_truthop): Make the field reference unsigned
17530 when converting a single bit compare.
17532 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17534 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17536 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17538 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17539 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17542 * reload.c (push_reload): Do not call remove_address_replacements
17543 when presented with identical optional reloads.
17545 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17547 * alpha.h (MASK_FIX, TARGET_FIX): New.
17548 (MASK_*): Reorganize constants.
17549 (CPP_AM_FIX_SPEC): New.
17550 (TARGET_SWITCHES): Add FIX.
17551 (EXTRA_SPECS): Likewise.
17552 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17553 (SECONDARY_MEMORY_NEEDED): Likewise.
17554 (REGISTER_MOVE_COST): Likewise.
17555 * alpha.c (override_options): Add FIX support. Always use
17556 ALPHA_TP_PROG for ev6.
17557 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17558 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17559 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17561 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17563 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17564 something is a candidate for optimize_bit_field_compare.
17566 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17568 * gcc.texi (Passes): Document branch-shortening.
17569 * invoke.texi (Debugging Options): Document the fact that `-dp'
17570 outputs length information for instructions.
17572 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17574 * flow.c: Revert previous delta.
17576 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17578 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17579 FRAME_POINTER_REGNUM.
17580 (mark_set_1): Ditto.
17581 (mark_used_regs): Ditto.
17583 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17585 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17586 (GOT_PCREL): New macro. Define to 1 if not already defined.
17587 * arm/elf.h (GOT_PCREL): Define to 0.
17588 * arm.c (arm_finalize_pic): Take into account the setting of
17591 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17593 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17594 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17596 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17597 store elimination candidates.
17599 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17601 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17604 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17606 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17607 Add use of x-aix41-gld.
17609 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17611 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17612 (ASM_OUTPUT_DESTRUCTOR): Define.
17614 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17616 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17617 last CODE_LABEL in a loop if we have previously passed a jump
17618 to the top of the loop.
17620 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17622 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17623 applying Philip's patch.
17625 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17627 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17630 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17632 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17634 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17636 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17637 Also remove a useless comment.
17639 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17641 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17643 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17645 * collect2.c (main): Only generate import or export file and add
17646 to link arguments if non-empty. Use xmalloc not alloca.
17647 (write_{export,import}_file): Delete.
17648 (write_aix_file): New function.
17649 (locatelib): Use xmalloc not malloc.
17650 (GCC_OK_SYMBOL): Do not check type if aix64.
17652 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17654 Based on patch by Scott Bambrough and Pat Beirne:
17655 * config/arm/arm.c (making_const_table): New variable.
17656 * config/arm/arm.h (making_const_table): Declare.
17657 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17659 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17660 Keep track of when we are building the constant table.
17662 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17664 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17667 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17669 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17672 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17674 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17677 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17679 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17681 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17683 * rs6000.c (output_mi_thunk): Enable full support again.
17685 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17687 * sh.h (BRANCH_COST): Define.
17689 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17691 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17693 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17695 * function.c (assign_stack_local): Align stack slot propertly.
17696 (assign_outer_stack_local): Likewise.
17698 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17700 * expr.h (lang_expand_constant): Declare.
17701 * toplev.c (lang_expand_constant): Define it.
17702 * varasm.c (output_constant): Use it.
17704 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17706 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17707 Change function definitions to K&R style.
17709 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17711 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17713 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17715 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17716 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17717 (several places): omit static initialization
17718 (process): use single fd, since only the read fd is used
17719 * fixinc/gnu-regex.c: define 'const' away, if not supported
17720 * fixinc/procopen.c(several places): omit static initialization
17721 * fixinc/server.c: define 'volitile' away, if not supported
17723 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17725 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17726 asm_fprintf and %L to generate the label name.
17727 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17728 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17730 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17732 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17733 insn for a conditional jump can not be found.
17735 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17737 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17738 on variables in specific sections other than .sbss and .sdata.
17740 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17742 * stmt.c (expand_return): Call start_cleanup_deferral and
17743 end_cleanup_deferral around conditional code.
17745 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17747 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17748 filename lists. Utilizes new "krstr" AutoGen function.
17749 * fixinc/fixincl.x: Rebuilt.
17751 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17753 * i386.c (output_float_compare): Avoid GNU-C extensions.
17755 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
17757 * version.c: Bump to distinguish mainline tree from the
17760 See ChangeLog.1 for earlier changes.